City of Lake Saint Louis, MO
St. Charles County
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Table of Contents
Table of Contents
[CC 1988 §40.650; Ord. No. 578 §1, 10-17-1988; Ord. No. 692 §1, 7-2-1990; Ord. No. 920 §1, 12-20-1993; Ord. No. 2278 §1, 4-17-2006; Ord. No. 2594 §1, 5-5-2008; Ord. No. 2748 §1, 6-15-2009; Ord. No. 2911 §1, 11-1-2010; Ord. No. 3707 §1, 6-19-2017]
A. 
Comprehensive Building Code Adoption Including Building, Residential, Fire, Plumbing, Mechanical, Fuel Gas, Swimming Pool And Spa, Existing Building, Property Maintenance, Energy Conservation And Electrical Regulations.
[Ord. No. 3776, 12-4-2017]
1. 
Certain documents, one (1) copy of which are filed in the office of the City Clerk of the City of Lake Saint Louis, being marked and designated as the International Building Code, 2015 Edition, the International Residential Code, 2015 Edition, the International Fire Code, 2015 Edition, the International Plumbing Code, 2015 Edition, the International Mechanical Code, 2015 Edition, the International Fuel Gas Code, 2015 Edition, the International Property Maintenance Code, 2015 Edition, the International Energy Conservation Code, 2015 Edition, the International Swimming Pool and Spa Code, 2015 Edition, the International Existing Building Code, 2015 Edition, all as published by the International Code Council, and the National Electrical Code, 2014 Edition, as published by the National Fire Protection Association, along with all additions, deletions, insertions and changes identified herein, are hereby adopted as the Comprehensive Building Code of the City of Lake Saint Louis in the State of Missouri, for regulating and governing the conditions and maintenance of all property, buildings and structures; by providing the standards for supplied utilities and facilities and other physical things and conditions essential to ensure that structures are safe, sanitary and fit for occupation and use; and the condemnation of buildings and structures unfit for human occupancy and use and the demolition of such structures as herein provided; providing for the issuance of permits and collection of fees therefor; and each and all of the regulations, provisions, penalties, conditions and terms of said Building Code on file in the office of the City Clerk are hereby referred to, adopted, and made a part hereof, as if fully set out in this ordinance, with the additions, insertions, deletions and changes prescribed in Subsection (A)(2) of this Section.
2. 
The Chief Building Official for the City of Lake Saint Louis shall serve as the Official Administrator of the Comprehensive Building Code of the City of Lake Saint Louis. Whenever and wherever reference is made in any of the documents comprising the Comprehensive Building Code of the City of Lake Saint Louis to the Building Official or the Code Official or the Fire Code Official or the authority having jurisdiction, that reference shall mean the Chief Building Official.
3. 
Comprehensive Building Code additions, deletions, insertions and changes.
a. 
The following Sections of the 2015 International Building Code, as published by the International Code Council, are hereby revised as follows:
[A] 101.1 Title. These regulations shall be known as the Building Code of the City of Lake Saint Louis, Missouri, and shall be cited as such and will be referred to herein as "this code."
[A] 105.2 Work exempt from permit. Exemptions from permit requirements of this code shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of this code or any other laws or ordinances of this jurisdiction. Permits shall not be required for the following:
Building:
1. Retaining walls that are not over four (4) feet (1,219 mm) in height measured from the bottom of the footing to the top of the wall, unless supporting a surcharge.
2. Sidewalks and driveways.
3. Painting, papering, tiling, carpeting, cabinets, counter tops and similar finish work.
Electrical:
1. Listed cord-and-plug connected temporary decorative lighting.
2. Reinstallation of attachment plug receptacles but not the outlets therefor.
3. Replacement of branch circuit overcurrent devices of the required capacity in the same location.
4. Electrical wiring, devices, appliances, apparatus or equipment operating at less than 25 volts and not capable of supplying more than 50 watts of energy.
5. Minor repair work, including the replacement of lamps or the connection of approved portable electrical equipment to approved permanently installed receptacles.
Gas:
1. Portable heating, cooking or clothes drying appliances.
2. Replacement of any minor part that does not alter approval of equipment or make such equipment unsafe.
3. Portable-fuel-cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.
Mechanical:
1. Portable heating appliance.
2. Portable ventilation equipment.
3. Portable cooling unit.
4. Steam, hot or chilled water piping within any heating or cooling equipment regulated by this code.
5. Replacement of any part that does not alter its approval or make it unsafe.
6. Portable evaporative cooler.
7. Self-contained refrigeration system containing ten (10) pounds (4.54 kg) or less of refrigerant and actuated by motors of 1 horsepower (0.75 kW) or less.
8. Portable-fuel-cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.
Plumbing:
1. The stopping of leaks in drains, water, soil, waste or vent pipe, provided, however, that if any concealed trap, drain pipe, water, soil, waste or vent pipe becomes defective and it becomes necessary to remove and replace the same with new material, such work shall be considered as new work and a permit shall be obtained and inspection made as provided in this code.
2. The clearing of stoppages or the repairing of leaks in pipes, valves or fixtures and the removal and reinstallation of water closets, provided such repairs do not involve or require the replacement or rearrangement of valves, pipes or fixtures.
[A] 109.4 Work commencing before permit issuance. Any person who commences any work on a building, structure, electrical, gas, mechanical or plumbing system before obtaining the necessary permits shall be subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
Upon the request of a permit holder, the Building Official is authorized to issue a temporary certificate of occupancy for a building or structure, or part thereof, before the entire work covered by the permit shall have been completed, provided that such portion or portions shall be occupied safely and provided that the permit holder shall provide to the City a cash surety bond in the form of cash, cashier's check or certified check in an amount sufficient to cover the cost of completion of the unfinished portion of the work covered by the permit, but in no case less than one thousand dollars ($1,000.00), prior to the issuance of the temporary certificate of occupancy, in order to assure completion of construction work and site restoration. The Building Official shall establish a date by which the incomplete work shall be completed. All construction and site restoration work shall be completed within no more than six (6) months of the date the temporary certificate of occupancy is issued. In the event all the construction and site restoration work covered by the permit has not been completed to the satisfaction of the Building Official by the date established, the temporary certificate of occupancy shall be void and the cash bond shall be forfeited. In the event the unfinished portion of the work has been completed to the satisfaction of the Building Official by the date established, the cash bond shall be returned. Failure to comply with these requirements shall be deemed a violation of this Chapter and subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
[A] 113.1 General. The Lake Saint Louis Building Appeals Board shall hear and decide appeals of orders, decisions or determinations made by the Building Official relative to the application and interpretation of this code. All rules and requirements associated with such an appeal, as specified in the Lake Saint Louis Municipal Code, shall apply. Application to appeal any order, decision or determination made by the Building Official shall be filed with the Building Official within twenty (20) days after the order, decision or determination was served, on a form obtained from the Building Official.
[A] 113.1.1 Limitation of authority. The Lake Saint Louis Building Appeals Board shall not have authority relative to interpretation of the administration of this code nor shall such board be empowered to waive requirements of this code.
1612.3 Establishment of flood hazard areas. To establish flood hazard areas, the applicable governing authority shall adopt a flood hazard map and supporting data. The flood hazard map shall include, at a minimum, areas of special flood hazard as identified by the Federal Emergency Management Agency in an engineering report entitled "The Flood Insurance Study for the City of Lake Saint Louis, Missouri," dated January 20, 2016, as amended or revised with the accompanying Flood Insurance Rate Map (FIRM) and Flood Boundary and Floodway Map (FBFM) and related supporting data along with any revisions thereto. The adopted flood hazard map and supporting data are hereby adopted by reference and declared to be part of this Section.
b. 
The following Sections of the 2015 International Residential Code, as published by the International Code Council, are hereby revised as follows:
R101.1 Title. These regulations shall be known as the Residential Code for One- and Two-Family Dwellings of the City of Lake Saint Louis, Missouri, and shall be cited as such and will be referred to herein as "this code."
R105.2 Work exempt from permit. Exemption from permit requirements of this code shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of this code or any other laws or ordinances of this jurisdiction. Permits shall not be required for the following:
Building:
1. Retaining walls that are not over four (4) feet (1219 mm) in height measured from the bottom of the footing to the top of the wall, unless supporting a surcharge.
2. Sidewalks and driveways.
3. Painting, papering, tiling, carpeting, cabinets, counter tops and similar finish work.
R106.3.1 Approval of construction documents. Where the Building Official issues a permit, the construction documents shall be approved in writing or by a stamp that states "REVIEWED FOR CODE COMPLIANCE." One (1) set of construction documents so reviewed shall be retained by the Building Official. The other set may be kept at the site of work or shall be made available at the time of inspection and shall be open to inspection by the Building Official or a duly authorized representative.
R108.6 Work commencing before permit issuance. Any person who commences any work before obtaining the necessary permits shall be subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
Exceptions:
1. Emergencies as defined in the Lake Saint Louis Municipal Code.
2. Stakeouts and other necessary planning procedures, including installation of BMPs or other erosion control methods.
R112.1 General. The Lake Saint Louis Building Appeals Board shall hear and decide appeals of orders, decisions or determinations made by the Building Official relative to the application and interpretation of this code. All rules and requirements associated with such an appeal, as specified in the Lake Saint Louis Municipal Code, shall apply. Application to appeal any order, decision or determination made by the Building Official shall be filed with the Building Official within twenty (20) days after the order, decision or determination was served, on a form obtained from the code official.
R112.1.1 Limitation of authority. The Lake Saint Louis Building Appeals Board shall not have authority relative to interpretation of the administration of this code nor shall such board be empowered to waive requirements of this code.
Table R301.2(1). Included as an attachment to this Chapter.
R302.2 Townhouses. Common walls separating townhouses shall be assigned a fire-resistance rating in accordance with Section R302.2, Item 1 or 2. The common wall shared by two (2) townhouses shall be constructed without plumbing or mechanical equipment, ducts or vents in the cavity of the common wall. The wall shall be rated for fire exposure from both sides and shall extend to and be tight against exterior walls and the underside of the roof sheathing. Electrical installations shall be in accordance with Chapters 34 through 43. Penetrations of the membrane of common walls for electrical outlet boxes shall be in accordance with Section R302.4.
1. Where a fire sprinkler system in accordance with Section P2904 is provided, the common wall shall be not less than a 1-hour fire-resistance-rated wall assembly tested in accordance with ASTM E 119 or UL 263.
2. Where a fire sprinkler system in accordance with Section P2904 is not provided, the common wall shall be not less than a 2-hour fire-resistance-rated wall assembly tested in accordance with ASTM E 119 or UL 263, or the common wall shall be two (2) independent 1-hour fire-resistance-rated wall assemblies.
R302.5.1 Opening protection. Openings from a private garage directly into a room used for sleeping purposes shall not be permitted. Other openings between the garage and residence shall be equipped with solid wood doors not less than one and three eighths (1 3/8) inches (35 mm) in thickness, solid or honeycomb-core steel doors not less than one and three eighths (1 3/8) inches (35 mm) thick, or 20-minute fire-rated doors.
R302.13 Fire protection of floors. Floor assemblies that are not required elsewhere in this code to be fire-resistance rated, shall be provided with one and one-half (1/2) inch (12.7 mm) gypsum wallboard membrane, five-eights (5/8) inch (6 mm) wood structural panel membrane, or equivalent on the underside of the floor framing member. Penetrations or openings for ducts, vents, electrical outlets, lighting, devices, luminaires, wires, speakers, drainage, piping and similar openings or penetrations shall be permitted. It is not the intent of this Section that a fire-rated assembly be created for this purpose.
Exceptions:
1. Floor assemblies located directly over a space protected by an automatic sprinkler system in accordance with Section P2904, NFPA 13D, or other approved equivalent sprinkler system.
2. Floor assemblies located directly over a crawl space not intended for storage or fuel-fired appliances.
3. Portions of floor assemblies shall be permitted to be unprotected where complying with the following:
3.1 The aggregate area of the unprotected floor assembly does not exceed one hundred (100) square feet (9.3m2) per story.
3.2 Fireblocking in accordance with Section 302.11.1 is installed along the perimeter of the unprotected portion to separate the unprotected portion from the remainder of the floor assembly. Areas of the floor assembly covered by HVAC metal plenum, trunk lines, and steel structural beams shall be considered protected. Gypsum wallboard membrane shall be within two (2) inches of all previously listed items.
4. Wood floor assemblies using dimension lumber or structural composite lumber equal to or greater than 2-inch by 10-inch (50.8 mm by 254 mm) nominal dimension, or other approved floor assemblies demonstrating equivalent fire performance.
R303.4 Mechanical ventilation. Where the air infiltration rate of a dwelling unit is three (3) air changes per hour or less where tested with a blower door at a pressure of two tenths (0.2) inch w.c. (50 Pa) in accordance with Section N1102.4.1.2, the dwelling unit shall be provided with whole-house mechanical ventilation in accordance with Section M1507.3.
R303.8 Exterior stairway illumination. Exterior stairways shall be provided with an artificial light source. Exterior stairways providing access to a basement from the outdoor grade level shall be provided with an artificial light source located at the bottom landing of the stairway.
R309.5 Fire sprinklers. Private garages shall be protected by fire sprinklers where the garage wall has been designed based on Table 302.1(2), Footnote a, and the homeowner has opted to purchase a fire sprinkler system for their residence, as per Missouri Revised Statutes 67.281. Sprinklers in garages shall be connected to an automatic sprinkler system that complies with Section P2904. Garage sprinklers shall be residential sprinklers or quick-response sprinklers, designed to provide a density of 0.05 gpm/ft2. Garage doors shall not be considered obstructions with respect to sprinkler placement.
R311.3 Floors and landings at exterior doors. There shall be a landing or floor on each side of exterior doors that lead to the outdoors. The width of each landing shall not be less than the door served. Every landing shall have a dimension of not less than thirty-six (36) inches (914 mm) measured in the direction of travel. The slope at exterior landings shall not to exceed one fourths (1/4) unit vertical in twelve (12) units horizontal two percent (2%).
Exception: Exterior balconies less than sixty (60) square feet (5.6 m2) and only accessible from a door are permitted to have a landing less than thirty-six (36) inches (914 mm) measured in the direction of travel.
R311.3.2 Floor elevations for other exterior doors. Doors other than the required egress door shall be provided with landings or floors not more than seven and three-fourths (7 3/4) inches (196 mm) below the top of the threshold.
Exception: A top landing is not required where a stairway of four (4) or fewer risers is located on the exterior side of the door, provided that door does not swing over the stairway.
R311.7.5 Stair treads and risers. Stair treads and risers shall meet the requirements of this Section. For the purposes of this Section, dimensions and dimensioned surfaces shall be exclusive of carpets, rugs or runners.
Exception: For remodeling projects inside existing dwelling units, stair tread and riser dimensions are permitted to match previous or existing conditions.
R311.7.6 Landings for stairways. There shall be a floor or landing at the top and bottom of each stairway. The width perpendicular to the direction of travel shall be not less than the width of the flight served. Landings of shapes other than square or rectangular shall be permitted provided the depth at the walk line and the total area is not less than that of a quarter circle with a radius equal to the required landing width. Where the stairway has a straight run, the depth in the direction of travel shall not be less than thirty-six (36) inches (914 mm).
Exception: A floor or landing is not required at the top of an interior or exterior flight of stairs, including stairs in an enclosed garage, provided that a door does not swing over the stairs.
R313.1 Townhouse automatic fire sprinkler systems. An automatic residential fire sprinkler system shall be installed in townhouses, in accordance with Section 67.281 of the Missouri Revised Statutes.
Exception: An automatic residential fire sprinkler system shall not be required where additions or alterations are made to existing townhouses that do not have an automatic residential fire sprinkler system installed.
R313.2 One- and two-family dwellings automatic fire systems. A builder of a single-family dwelling or residence or multi-unit dwellings of four (4) or fewer units shall offer to any purchaser on or before the time of entering into the purchase contract the option, at the purchaser's cost, to install or equip fire sprinklers in the dwelling, residence, or unit. Notwithstanding any other provision of law to the contrary, no purchaser of such a single-family dwelling, residence, or multi-unit dwelling shall be denied the right to choose or decline to install a fire sprinkler system in such dwelling or residence being purchased by any code, ordinance, rule, regulation, order, or resolution by any County or other political subdivision. Any County or other political subdivision shall provide in any such code, ordinance, rule, regulation, order, or resolution the mandatory option for purchasers to have the right to choose and the requirement that builders offer to purchasers the option to purchase fire sprinklers in connection with the purchase of any single-family dwelling, residence, or multi-unit dwelling of four (4) or fewer units.
Exception: An automatic residential fire sprinkler system shall not be required for additions or alterations to existing buildings that are not already provided with an automatic residential sprinkler system.
R403.1.1 Minimum size. The minimum width, W, and thickness, T, for concrete footings shall be in accordance with Tables R403.1(1) through R403.1(4) and Figure R403.1(1) or R403.1.3, as applicable. The footing width shall be based on the load-bearing value of the soil in accordance with Table R401.4.1. Footing projections, P, shall be not less than two (2) inches (51 mm) and shall not exceed the thickness of the footing. Footing thickness and projection for fireplaces shall be in accordance with Section R1001.2. The size of footings supporting piers and columns shall be based on the tributary load and allowable soil pressure in accordance with Table R401.4.1. Footings for wood foundations shall be in accordance with the details set forth in Section R403.2, and Figures R403.1(2) and R403.1(3).
Minimum Width of Concrete, Precast, or Masonry Footings (inches) for Light-Frame Construction with Pre-Fabricated Roof Trussesa,b
Table R403.1(4)
Load-Bearing Value of Soil (psf)
1500
2000
3000
>4000
Conventional light-frame construction with pre-fabricated trusses
1 story
12
12
12
12
2 story
15
12
12
12
3 story
23
17
12
12
4-inch brick veneer over light frame or 8-inch hollow concrete masonry
1 story
12
12
12
12
2 story
21
16
12
12
3 story
32
24
16
12
8-inch solid or fully grouted masonry
1 story
16
12
12
12
2 story
29
21
14
12
3 story
42
32
21
16
For SI: 1 inch = 25.4 mm, 1 pound per square foot = 0.0479 kPa
a.
Where minimum footing width is twelve (12) inches, use of a single wythe of solid or fully grouted 12-inch nominal concrete masonry units is permitted.
b.
Snow Load or Roof Live Load shall not exceed twenty (20) psf. If load exceeds twenty (20) psf, designs must be completed by a licensed design professional.
R403.1.7 Footings on or adjacent to slopes. The placement of buildings and structures on or adjacent to slopes steeper than one (1) unit vertical in three (3) units horizontal (thirty-three and three tenths percent (33.3%) slope) shall conform to Sections R403.1.7.1 through R403.1.7.4 or plans as signed and sealed by a structural engineer licensed by the State of Missouri.
R404.1.3.2 Reinforcement for foundation walls. Concrete foundation walls shall be laterally supported at the top and bottom. Horizontal reinforcement shall be provided in accordance with Table R404.1.2(1). Vertical reinforcement shall be provided in accordance with Table R404.1.2(2), R404.1.2(3), R404.1.2(4), R404.1.2(5), 404.1.2(6), R404.1.2(7) or R404.1.2(8). Vertical reinforcement for flat basement walls retaining four (4) feet (1,219 mm) or more of unbalanced backfill is permitted to be determined in accordance with Table R404.1.2(9). For basement walls supporting above-grade concrete walls, vertical reinforcement shall be the greater of that required by Tables R404.1.2(2) through R404.1.2(8) or by Section R608.6 for the above-grade wall. In buildings assigned to Seismic Design Category D0, D1 or D2, concrete foundation walls shall also comply with Section R404.1.4.2.
Exception: Where a licensed Missouri engineer's geotechnical report confirms that unstable soil or ground water conditions do not exist on an individual home site, concrete foundation walls may be constructed in accordance with Table R404.1.2(10).
Table R404.1.2(10) Concrete Foundation Walls
Maximum Wall Height
Maximum Depth of Unbalanced Backfill
Minimum Nominal Wall Thickness
8'-0"
7'-6" or less
8" (Note a)
9'-0"
8'-6" or less
10" (Note b)
10'0"
9'-6" or less
12" (Note c)
Note a: Concrete foundation walls may be constructed a minimum of nominal eight (8) inches thick where the wall height from the top of the footing to the top of the wall does not exceed eight (8) feet. A minimum of two (2) #4 reinforcing bars shall be placed horizontally in the top and bottom of the foundation wall. A minimum of two (2) #5 reinforcing bars shall be provided around all window and door openings in concrete foundation and basement walls; bars shall extend a minimum of twenty-four (24) inches beyond the corners of the openings.
Note b: Concrete foundation walls may be constructed a minimum of nominal ten (10) inches thick. A minimum of two (2) #5 reinforcing bars shall be placed horizontally in the top, middle, and bottom of the foundation wall. A minimum of two (2) #5 reinforcing bars shall be provided around all window and door openings in concrete foundation and basement walls; bars shall extend a minimum of twenty-four (24) inches beyond the corners of the openings.
Note c: Concrete foundation walls may be constructed a minimum of nominal twelve (12) inches thick. A minimum of three (3) #5 reinforcing bars shall be placed horizontally in the top, middle, and bottom of the foundation wall. A minimum of two (2) #5 reinforcing bars shall be provided around all window and door openings in concrete foundation and basement walls; bars shall extend a minimum of twenty-four (24) inches beyond the corners of the openings.
Note d: The concrete minimum wall thickness shall be eight (8) inches for foundation walls in soil classes SC, MH, ML-CL and inorganic CL when maximum wall height is eight (8) feet.
Note e: The concrete minimum wall thickness shall be ten (10) inches for foundation walls in soil classes SC, MH, ML-CL and inorganic CL when the maximum wall height is nine (9) feet.
Note f: The concrete minimum wall thickness shall be twelve (12) inches for foundation walls in soil classes SC, MH, ML-CL and inorganic CL when the maximum wall height is ten (10) feet.
405.1 Concrete or masonry foundations. Drains shall be provided around concrete or masonry foundation that retain earth and enclose habitable or usable spaces located below grade. Drainages tiles, gravel or crushed stone drains, perforated pipe or other approved systems or materials shall be installed at or below the area to be protected and shall discharge by gravity or mechanical means into an approved drainage system. Gravel or crushed stone drains shall extend not less than one (1) foot (305 mm) beyond the outside edge of the footing and six (6) inches (152 mm) above the top of the footing and be covered with an approved filter membrane material. The top of open joints of drain tiles shall be protected with strips of building paper. Except where otherwise recommended by the drain manufacturer, perforated drains shall be surrounded with an approved filter membrane or the filter membrane shall cover the washed gravel or crushed rock covering the drain. Drainage tiles or perforated pipe shall be placed on a minimum of two (2) inches (51 mm) of washed gravel or crushed rock not less than one (1) sieve size larger than the tile joint opening or perforation and covered with not less than six (6) inches (152 mm) of the same material.
Exceptions:
1.
A drainage system is not required where the foundation is installed on well-drained ground or sand-gravel mixture soils according to the Unified Soil Classification System, Group I soils, as detailed in Table R405.1.
2.
Drains provided as detailed in Section R405.1.2 are approved as an alternative method to meet the requirements of this Section.
R405.1.2 Soil evaluations. An evaluation of the soil by a geotechnical engineer for the presence or absence of groundwater is required. The evaluation report shall be based on either a subsurface soil investigation or satisfactory data from adjacent areas together with an inspection of the excavation prior to pouring concrete.
R405.1.2.1 Groundwater present. Provide drain tile, perforated pipe or other approved foundation drainage systems (such as water channel system) around perimeter of the outside of the foundation and inside the foundation. Drain discharge shall be by gravity to daylight or be connected to a basement floor sump.
R405.1.2.2 No groundwater present. Provide drain tile, perforated pipe or other approved foundation drainage systems (such as water channel system) around perimeter of the outside of the foundation or inside the foundation. Drain discharge shall be by gravity to daylight or be connected to a basement floor sump.
R405.1.2.3 Filter membranes. An approved filter membrane shall be placed over the top of the joints/pipe perforations. The tile/pipe shall be placed on two (2) inches minimum of gravel or crushed stone and have six (6) inches of minimum cover.
R405.1.2.4 Drainage system. A drainage system shall discharge by gravity to daylight or be connected to an approved sump (eighteen (18) inches in diameter x twenty-four (24) inches deep with fitted cover). A sump pump shall be provided if the basement is finished or partially finished with pump discharge by an approved method.
R602.7.5 Supports for headers. Headers shall be supported on each end with one (1) or more jack studs or with approved framing anchors in accordance with Table R602.7(1) or R602.7.(2). The full-height stud adjacent to each end of the header shall be end nailed to each end of the header with four-16d nails (three and five tenths (3.5) inches x one hundred thirty-five thousandths (0.135) inches). The minimum number of full-height studs at each end of a header shall be in accordance with Table R602.7.5.
Table R602.7.5
Minimum Number of Full Height Studs at Each End of Headers in Exterior Wallsa
Maximum Header Span
(feet)
Ultimate Design Wind Speed and Exposure Category
<140 mph, Exposure B or
<130 mph, Exposure C
<115mph, Exposure Bb
4
1
1
6
2
1
8
2
1
10
3
2
12
3
2
14
3
2
16
4
2
18
4
2
a.
For header spans between those given above, use the minimum number of full-height studs associated with the larger header span. The tabulated minimum number of full-height studs is applicable where jack studs are provided to support the header at each end in accordance with Table R602.7.(1). Where a framing anchor is used to support the header in lieu of a jack stud in accordance with footnote "d" of Table R602.7.(1), the minimum number of full-height studs at each end of a header shall be in accordance with requirements for wind speed <140mph, Exposure B.
R905.2.8.2 Valleys. Valley linings shall be installed in accordance with the manufacturer's instructions before applying shingles. Valley linings of the following types shall be permitted:
1.
For open valleys (valley lining exposed) lined with metal, the valley lining shall be not less than twenty four (24) inches (610 mm) wide and of any of the corrosion-resistant metals in Table R905.2.8.2.
2.
For open valleys, valley lining of two (2) plies of mineral-surfaced roll roofing, complying with ASTM D3909 or ASTM D6380 Class M, shall be permitted. The bottom layer shall be eighteen (18) inches (457 mm) and the top layer not less than thirty-six (36) inches (914 mm) wide.
3.
For closed valleys (valley covered with shingles), valley lining of two (2) ply of No. 15 felt complying with ASTM D226 Type I, ASTM D4869 Type I, or ASTM D6757 and not less than thirty six (36) inches wide (914 mm) or valley lining as described in Item 1 and 2 shall be permitted. Self-adhering polymer modified bitumen underlayment complying with ASTM D1970 shall be permitted in lieu of the lining material.
R905.2.8.5 Drip Edge. A drip edge, or equivalent approved by the jurisdiction, shall be provided at eaves and rake edges of shingle roofs. Adjacent segments of drip edge shall be overlapped not less than two (2) inches (51 mm). Drip edges shall extend not less than one fourths (1/4) inch (6.4 mm) below the roof sheathing and extend up back onto the roof deck not less than two (2) inches (51 mm). Drip edges shall be mechanically fastened to the roof deck at not more than twelve (12) inches (305 mm) o.c. with fasteners as specified in Section R905.2.5. Underlayment shall be installed over the drip edge along eaves and under the underlayment along rake edges.
R1005.7 Factory-built chimney offsets. Where a factory-built chimney assembly incorporates offsets, no part of the chimney shall be at an angle of more than thirty degrees (30°) (0.52 rad) from vertical at any point in the assembly and the chimney assembly shall not include more than four (4) elbows.
Exception: Chimneys installed per manufacturer's installation instructions
R1006.1.1 Factory-built fireplaces. Exterior combustion air ducts for factory-built fireplaces shall be a listed component of the fireplace, or equivalent approved by the jurisdiction, and shall be installed according to the fireplace manufacturer's instructions.
N1101.4 (R102.1.1) Above code programs. The Building Official or other authority having jurisdiction shall be permitted to deem a national, State or local energy-efficiency program to exceed the energy efficiency required by this code. Buildings approved in writing by such an energy-efficiency program shall be considered in compliance with this code. Applicant must provide adequate information to the Lake Saint Louis Building Official to demonstrate that the above code program satisfies all necessary code requirements.
N1101.6 (R202) Defined terms.
PROJECTION FACTOR. The ratio of the horizontal depth of an overhang, eave, or permanently attached shading device, divided by the distance measured vertically from the bottom of the fenestration glazing to the underside of the overhang, eave, or permanently attached shading device.
Table N1102.1.2 (R402.1.2)
Insulation and Fenestration Requirements by Componenta
Climate Zone
Fenes- tration U-Factorb
Skylightb U-Factor
Glazed Fenes- tration SHGCb e
Ceiling R-Value
Wood Frame Wall R-Value
Mass Wall R-Valuei
Floor R-Value
Base- mentc Wall R-Value
Slabd R-Value & Depth
Crawl Spacec Wall R-Value
1
NR
0.75
0.25
30
13
3/4
13
0
0
0
2
0.40
0.65
0.25
38
13
4/6
13
0
0
0
3
0.35
0.55
0.25
38
20 or 13 + 5h
8/13
19
5/13f
0
5/13
4 except Marine
0.40
0.55
NR
38
5h 13
8/13
19
0i
10, 2 ft
10/13
5 and Marine 4
0.32
0.55
NR
49
20 or 13 + 5h
13/17
30g
15/19
10, 2 ft
15/19
6
0.32
0.55
NR
49
20 + 5 or 13 + 10h
15/20
30g
15/19
10, 4 ft
15/19
7 and 8
0.32
0.55
NR
49
20 + 5 or 13 + 10h
19/21
38g
15/19
10, 4 ft
15/19
F or SI: 1 foot = 304.8mm.
a.
R-values are minimums. U-factors and SHGC are maximums. When insulation is installed in a cavity which is less than the label or design thickness of the insulation, the installed R-value of the insulation shall not be less than the R-value specified in the table.
b.
The fenestration U-factor column excludes skylights. The SHGC column applies to all glazed fenestration Exception: Skylights may be excluded from glazed fenestration SHGC requirements in Climate Zones 1 through 3 where the SHGC for such skylights does not exceed 0.30.
c.
"15/19" means R-15 continuous insulation on the interior or exterior of the home or R-19 cavity insulation at the interior of the basement wall. "15/19" shall be permitted to be met with R-13 cavity insulation on the interior of the basement wall plus R-5 continuous insulation on the interior or exterior of the home. "10/13" means R-10 continuous insulation on the interior or exterior of the home or R-13 cavity insulation at the interior of the basement wall.
d.
R-5 shall be added to the required slab edge R-values for heated slabs. Insulation depth shall be the depth of the footing or two (2) feet, whichever is less in Zones 1 through 3 for heated slabs.
e.
There are no SHGC requirements in the Marine Zone.
f.
Basement wall insulation is not required in warm-humid locations as defined by Figure N1101.10 or Table N1101.10.
g.
Or insulation sufficient to fill the framing cavity, R-19 minimum.
h.
The first value is cavity insulation, the second value is continuous insulation, so "13+5" means R-13 cavity insulation plus R-5 continuous insulation.
i.
The second R-value applies when more than half of the insulation is on the interior of the mass wall.
j.
Exception: Unfinished basements may have up to a maximum of twenty percent (20%) of the total basement wall area exposed above the outside finished grade/ground level as uninsulated concrete foundation walls. The foundation wall area above the outside grade/ground level that may be uninsulated is determined by the formula [.20 times the basement wall height of all walls (including insulated exterior frame walls for walkout basements and walls common to both basement and attached garages) times the perimeter of these basement walls]. In unfinished areas, the basement foundation wall insulation shall extend down to the basement floor slab or to a minimum of twenty-four (24) inches below outside finished grade when the grade is above the floor slab elevation.
N1102.1.3 (R402.1.3) R-value computation. Insulation material used in layers, such as framing cavity insulation, or continuous insulation shall be summed to compute the corresponding component R-value. The manufacturer's settled R-value shall be used for blown insulation. Computed R-values may include an R-value for other building materials or air films. Where insulated siding is used for the purpose of complying with the continuous insulation requirements of Table N1102.1.2, the manufacturer's labeled R-Value for insulated siding shall be reduced by R-0.6.
N1102.1.5 (R402.1.5) Total UA alternative. If the total building envelope UA (sum of U-factor times assembly area) is less than or equal to the total UA resulting from using the U-factors in Table N1102.1.4 (multiplied by the same assembly area as in the proposed building), the building shall be considered in compliance with Table N1102.1.2. The UA calculation shall be done using a method consistent with the ASHRAE Handbook of Fundamentals and shall include the thermal bridging effects of framing materials. The SHGC requirements shall be met in addition to UA compliance.
Exception: Glazed fenestration SHGC. In Climate Zone 4, permanently shaded vertical fenestration shall be permitted to satisfy SHGC requirements. Jurisdiction will require a separate sealed submission for each proposed home to use shaded vertical fenestration. The projection factor of an overhang, eave, or permanently attached shading device shall be greater than or equal to the value listed in Table N1102.2.2.1 for the appropriate orientation. The minimum projection shall extend beyond each side of the glazing a minimum of twelve (12) inches. Each orientation shall be rounded to the nearest cardinal orientation (+/- 45° or 0.79 rad) for purposes of calculations and demonstrating compliance.
Table N1102.1.5
Minimum Projection Factor Required by Orientation for SHGC Exception
Orientation
Projection Factor
North
>=0.40a
South
>=0.20
East
>=0.50
West
>=0.50
For the north orientation, a vertical projection located on the west-edge of the fenestration with the equivalent of PF>=0.15 shall also satisfy the minimum projection factor requirement
N1102.2.4 (R402.2.4) Access hatches and doors. Access doors from conditioned spaces to unconditioned spaces such as attics and crawl spaces shall be insulated to a level equivalent to the insulation on the surrounding surfaces. Access shall be provided to all equipment that prevents damaging or compressing the insulation. A wood-framed or equivalent baffle or retainer is required to be provided when loose-fill insulation is installed, the purpose of which is to prevent the loose-fill insulation from spilling into the living space when the attic access is opened, and to provide the permanent means of maintaining the installed R-value of the loose-fill insulation.
Exception: Vertical doors that provide access from the conditioned to unconditioned spaces shall be permitted to meet the fenestration requirements of Table R1102.1.2 based on the applicable climate zone specified in Chapter 3.
N1102.4 (R402.4) Air leakage. The building thermal envelope may be designed and constructed to limit air leakage in accordance with the requirements of Sections R1102.4.1 through R1102.4.4.
N1102.4.1.2 (R402.4.1.2) Testing Option. If testing is elected, the building or dwelling unit shall be tested and verified as having an air leakage rate of not exceeding five (5) air changes per hour in Climate Zone 4. Testing shall be conducted in accordance with ASTM E779 or ASTM E1827 and reported at a pressure of two tenths (0.2) inches w.g. (50 Pascals). Where required by the code official, testing shall be conducted by an approved third party. A written report of the results of the test shall be signed by the party conducting the test and provided to the code official. Testing shall be performed at any time after creation of all penetrations of the building thermal envelope.
During testing:
1.
Exterior windows and doors, fireplace and stove doors shall be closed, but not sealed, beyond the intended weatherstripping or other infiltration control measures.
2.
Dampers including exhaust, intake, makeup air, backdraft and flue dampers shall be closed, but not sealed beyond intended infiltration control measures.
3.
Interior doors, if installed at the time of the test, shall be open.
4.
Exterior doors for continuous ventilation systems and heat recovery ventilators shall be closed and sealed.
5.
Heating and cooling systems, if installed at the time of the test, shall be turned off.
6.
Supply and return registers, if installed at the time of the test, shall be fully open.
Table N1102.4.1.1 (402.4.1.1)
Air Barrier and Insulation Installation
Component
Air Barrier Criteria
Insulation Installation Criteria
General Requirements
A continuous air barrier shall be installed in the building envelope.
The exterior thermal envelope contains a continuous air barrier.
Breaks or joints in the air barrier shall be sealed.
Air-permeable insulation shall not be used as a sealing material.
Ceiling/attic
The air barrier in any dropped ceiling/soffit shall be aligned with the insulation and any gaps in the air barrier sealed.
Access openings, drop down stairs or knee wall doors to unconditioned attic spaces shall be sealed.
The insulation in any dropped ceiling/soffit shall be aligned with the air barrier.
Walls
The junction of the foundation and sill plate shall be sealed.
The junction of the top plate and the top of the exterior walls shall be sealed.
Knee walls shall be sealed.
Cavities within corners and headers of frame walls shall be insulated by completely filling the cavity with a material having a thermal resistance of R-3 per inch minimum.
Exterior thermal envelope insulation for framed walls shall be installed in substantial contact and continuous alignment with the air barrier.
Windows, skylights and doors
The space between window/door jambs and framing, and skylights and framing shall be sealed.
Rim joists
Rim joists shall include the air barrier.
Rim joists shall be insulated.
Floors (including above garage and cantilevered floors)
The air barrier shall be installed at any exposed edge of insulation.
Floor framing cavity insulation shall be installed to maintain permanent contact with the underside of subfloor decking, or floor framing cavity insulation shall be permitted to be in contact with the top side of sheathing, or continuous insulation installed on the underside of floor framing; and extends from the bottom to the top of all perimeter floor framing members.
Crawl space walls
Exposed earth in unvented crawl spaces shall be covered with Class I vapor retarder with overlapping joists taped.
Where provided instead of floor insulation, insulation shall be permanently attached to the crawl space walls.
Narrow cavities
Batts in narrow cavities shall be cut to fit, or narrow cavities shall be filled by insulation that on installation readily conforms to the available cavity space.
Garage separation
Air sealing shall be provided between the garage and conditioned spaces.
Plumbing and wiring
Batt insulation shall be cut neatly to fit around wiring and plumbing in exterior walls, or insulation that on installation readily conforms to available space shall extend behind piping and wiring.
Shower/tub on exterior wall
The air barrier installed at exterior walls adjacent to showers and tubs shall separate them from showers and tubs.
Exterior walls adjacent to showers and tubs shall be insulated.
Electrical/phone box on exterior walls
The air barrier shall be installed behind electrical or communication boxes or air-sealed boxes shall be installed.
Concealed sprinklers
When required to be sealed, concealed fire sprinklers shall only be sealed in a manner that is recommended by the manufacturer. Caulking or other adhesive sealants shall not be used to fill voids between fire sprinkler cover plates and walls or ceilings.
a.
In addition, inspection of log walls shall be in accordance with the provisions of ICC 400.
N1102.4.5 (R402.4.5) Recessed lighting. Recessed luminaires installed in the building thermal envelope may be sealed to limit air leakage between conditioned and unconditioned spaces. All recessed luminaires may be IC-rated and labeled as having an air leakage rate not more than 2.0 cfm (0.944 L/s) when tested in accordance with ASTM E283 at a 1.57 psf (75 Pa) pressure differential. All recessed luminaires may be sealed with a gasket or caulk between the housing and interior wall or ceiling covering.
N1103.3.2 (R403.3.2) Sealing. Ducts, air handlers and filter boxes shall be sealed. Joints and seams shall comply with either the International Mechanical Code or Section M1601.4.1 of this code, as applicable.
Exceptions:
1.
Air-impermeable spray foam products shall be permitted to be applied without additional joint seals.
2.
Continuously welded and locking-type longitudinal joints and seams in ducts operating at static pressure less than two (2) inches of water column (500 Pa) pressure classification shall not require additional closure systems.
N1103.4.1 (R403.4.1) Protection of piping insulation. Piping insulation exposed to weather shall be protected from damage, including that caused by sunlight, moisture, equipment maintenance and wind, and shall provide shielding from solar radiation that can cause degradation of the material. Adhesive tape which otherwise meets the requirements of this Section shall be permitted.
N1103.5.3 (R405.5.3) Hot water pipe insulation (Prescriptive). Insulation for hot water pipe with a minimum thermal resistance (R-value) of R-3 shall be applied to the following:
1.
Metallic piping larger than or equal to three fourths (3/4) inch (19 mm) in nominal diameter.
2.
Piping serving more than one (1) dwelling unit.
3.
Piping located outside the conditioned space.
4.
Piping from the water heater to a distribution manifold.
5.
Piping located under a floor slab.
6.
Buried in piping.
7.
Supply and return piping in recirculation systems other than demand recirculation systems.
N1103.6 (R403.6) Mechanical ventilation. If, in accordance with previous code sections or as part of an above code program, the resulting air changes per hour (ACH) at 50 Pascals is three (3) air changes or less, the building shall be provided with ventilation that meets the requirements of Section M1507 of this code or the International Mechanical Code, as applicable, or with other approved means of ventilation. Outdoor air intakes and exhausts shall have automatic or gravity dampers that close when the ventilation system is not operating.
N1103.7 (R403.7) Equipment sizing and efficiency rating (mandatory). Heating and cooling equipment shall be sized in accordance with ACCA Manual J or other approved heating and cooling calculation methodologies. New or replacement heating and cooling equipment shall have an efficiency rating equal to or greater than the minimum required by Federal law for the geographic location where the equipment is installed.
Table N1105.5.2(1) [R405.5.2(1)]
Specifications for the Standard Reference and Proposed Designs
Building Component
Standard Reference Design
Proposed Design
Above-grade walls
Type: mass wall if proposed wall is mass; otherwise wood frame
As proposed
Gross area: same as proposed
As proposed
U-factor: as specified in Table N1102.1.4
As proposed
Solar absorptance = 0.75
As proposed
Remittance = 0.90
As proposed
Basement and crawl space walls
Type: same as proposed
As proposed
Gross area: same as proposed
As proposed
U-factor: from Table N1102.1.4, with insulation layer on interior side of walls
As proposed
Above-grade floors
Type: wood frame
As proposed
Gross area: same as proposed
As proposed
U-factor: as specified in Table N1102.1.4
As proposed
Ceilings
Type: wood frame
As proposed
Gross area: same as proposed
As proposed
U-factor: as specified in Table N1102.1.4
As proposed
Roofs
Type: composition shingle on wood sheathing
As proposed
Gross area: same as proposed
As proposed
Solar absorptance = 0.75
As proposed
Emittance = 0.90
As proposed
Attics
Type: vented with aperture = 1 ft2 per 300 ft2 ceiling area
As proposed
Foundations
Type: same as proposed
As proposed
Foundation wall area above and below grade and soil characteristics: same as proposed
As proposed
Opaque doors
Area: 40 ft2
As proposed
Orientation: North
As proposed
U-factor: same as fenestration from Table N1102.1.4
As proposed
Vertical fenestration other than opaque doors
Total areab =
a)
15% of the conditioned floor area.
As proposed
Orientation: equally distributed to four cardinal compass orientations (N, E, S & W)
As proposed
U-factor: as specified in Table N1102.1.4
As proposed
SHGC: as specified in Table N1102.1.2 except that for climates with no requirement (NR) SHGC = 0.40 shall be used
As proposed
Interior shade fraction: 0.92 - (0.21 x SHGC for the standard reference design)
0.92 - (0.21 x SHGC as proposed)
External shading: none
As proposed
Skylights
None
As proposed
Thermally isolated sunrooms
None
As proposed
Air exchange rate
Air leakage rate of 5 air changes per hour in Climate Zones 4. The mechanical ventilation rate shall be in addition to the air leakage rate and the same as in the proposed design, but no greater than 0.01 x CFA + 7.5 x (Nbr + 1)
where:
CFA = conditioned floor area
Nbr = number of bedrooms
Energy recovery shall not be assumed for mechanical ventilation
Air leakage rate of 5 air changes per hour in at a pressure of 0.2
where:
co ventilation
For residences that are not tested, the same air leakage rate as the standard reference design.
For tested residences, the measured air exchange ratea.
The mechanical ventilation rateb shall be in addition to the air leakage rate and shall be proposed.
Mechanical ventilation
None, except where mechanical ventilation is specified by the proposed design, in which case:
Annual vent fan energy use:
kWh/yr = 0.03942 x CFA + 29.565 x (Nbr + 1)
where:
CFA = conditioned floor area
Nbr = number of bedrooms
As proposed
Internal gains
IGain = 17,900 + 23.8 x CFA + 4104 x Nbr (Btu/day per dwelling unit)
Same as standard reference design.
Internal mass
An internal mass for furniture and contents of 8 pounds per square foot of floor area
Same as standard reference design, plus any additional mass specifically designed as a thermal storage elementc but not integral to the building envelope or structure.
Structural mass
For masonry floor slabs, 80% of floor area covered by R-2 carpet and pad, and 20% of floor directly exposed to room air
As proposed
For masonry basement walls, as proposed, but with insulation required by Table R402.1.4 located on the interior side of the walls
As proposed
For other walls, for ceilings, floors, and interior walls, wood frame construction
As proposed
Heating systemsd, e
Fuel type: same as the proposed design
As proposed
Efficiencies:
Electric: air-source heat pump with prevailing Federal minimum standards
Non-electric furnaces: natural gas furnace with prevailing Federal minimum standards
Non-electric boilers: natural gas boiler with prevailing Federal minimum standards
Capacity: sized in accordance with Section N1103.7
Cooling systemsd, f
Fuel type: electric
As proposed
Efficiency: in accordance with prevailing Federal minimum standards
Capacity: sized in accordance with Section N1103.7
Service water heatingd, e, f
Fuel type: same as proposed design
Efficiency: in accordance with prevailing Federal minimum standards
Use: gal/day = 30 + 10 x Nbr
Tank temperature: 120° F.
As proposed
Same as standard reference
Thermal distribution systems
Duct insulation: from Section N1103.2.1
A thermal distribution system efficiency (DSE) of 0.88 shall be applied to both the heating and cooling system efficiencies for all systems other than tested duct systems. For tested duct systems, the leakage rate shall be 4 cfm (113.3 L/min) per 100 ft2 (9.29 m2) of conditioned floor area at a pressure of differential of one tenths (0.1) inches w.g. (25 Pa)
As tested or specified in Table R405.5.2(2) if not tested. Duct insulation shall be as proposed.
Thermostat
Type: Manual, cooling temperature setpoint = 75° F.;
Heating temperature setpoint = 72° F.
Same as standard reference
For SI: 1 square foot = 0.93 m2, 1 British thermal unit = 1055 J, 1 pound per square foot = 4.88 kg/m2, 1 gallon (US) = 3.785 L, ° C. = (° F.-32)/1.8, 1° = 0.79 rad
a.
Where required by the code official, testing shall be conducted by an approved party. Hourly calculations as specified in the ASHRAE Handbook of Fundamentals, or the equivalent shall be used to determine the energy loads resulting from infiltration.
b.
The combined air exchange rate for infiltration and mechanical ventilation shall be determined in accordance with Equation 43 of 2001 ASHRAE Handbook of Fundamentals, page 26.24 and the "Whole-house Ventilation" provisions of 2001 ASHRAE Handbook of Fundamentals, page 26.19 for intermittent mechanical ventilation.
c.
Thermal storage element shall mean a component not part of the floors, walls or ceilings that is part of a passive solar system, and that provides thermal storage such as enclosed water columns, rock beds, or phase-change containers. A thermal storage element must be in the same room as fenestration that faces within fifteen degrees (15°) (twenty-six hundredths (0.26) rad) of true south, or must be connected to such a room with pipes or ducts that allow the element to be actively charged.
d.
For a proposed design with multiple heating, cooling or water heating systems using different fuel types, the applicable standard reference design system capacities and fuel types shall be weighted in accordance with their respective loads as calculated by accepted engineering practice for each equipment and fuel type present.
e.
For a proposed design without a proposed heating system, a heating system with the prevailing Federal minimum efficiency shall be assumed for both the standard reference design and proposed design.
f.
For a proposed design home without a proposed cooling system, an electric air conditioner with the prevailing Federal minimum efficiency shall be assumed for both the standard reference design and the proposed design.
g.
For a proposed design with a non-storage-type water heater, a 40-gallon storage-type water heater with the prevailing Federal minimum energy factor for the same fuel as the predominant heating fuel type shall be assumed. For the case of a proposed design without a proposed water heater, a 40-gallon storage-type water heater with the prevailing Federal minimum efficiency for the same fuel as the predominant heating fuel type shall be assumed for both the proposed design and standard reference design.
M1301.2 Identification. Each length of pipe and tubing and each pipe fitting utilized in a mechanical system shall bear the identification of the manufacturer.
Exception: Line sets and similar materials provided the installer can provide documentation related to the material used such as, but not limited to, a receipt, invoice, or container.
M1305.1.4.1 Ground clearance. Equipment and appliances supported from the ground shall be level and firmly supported on a concrete slab or other approved material extending not less than two (2) inches (50.8 mm) above the adjoining ground. Such support shall be in accordance with the manufacturer's installation instructions. Appliances suspended from the floor shall have a clearance of not less than six (6) inches (152 mm) from the ground.
M1305.1.4.3 Electrical requirements. A luminaire controlled by a switch located at the required passageway opening and a receptacle outlet shall be installed at or near the appliance location in accordance with Chapter 39. Exposed lamps shall be protected from damage by location or lamp guards.
Exception: Basements
M1401.3 Equipment and appliance sizing. Heating and cooling equipment and appliances shall be sized in accordance with ACCA Manual J or other approved heating and cooling calculation methodologies.
Exception: Heating and cooling equipment and appliance sizing shall not be limited to the capacities determined in accordance with Manual S where either of the following conditions applies:
1.
The specified equipment or appliance utilizes multistage technology or variable refrigerant flow technology and the loads calculated in accordance with the approved heating and cooling calculation methodology are within the range of the manufacturer's published capacities for that equipment or appliance.
2.
The specified equipment or appliance manufacturer's published capacities cannot satisfy both the total and sensible heat gains calculated in accordance with the approved heating and cooling calculation methodology and the next larger standard size unit is specified.
M1411.3.1 Auxiliary and secondary drain systems. In addition to the requirements of Section M1411.3, a secondary drain or auxiliary drain pan shall be required for each cooling or evaporator coil where damage to any building components will occur as a result of overflow from the equipment drain pan or stoppage in the condensate drain piping. Such piping shall maintain a minimum horizontal slope in the direction of discharge or not less than one-eighth (1/8) unit vertical in twelve (12) units horizontal (one percent (1%) slope). Drain piping shall be not less than three fourths (3/4) inch (19 mm) nominal pipe size. One (1) of the following methods shall be used:
1.
An auxiliary drain pan with a separate drain shall be installed under the coils on which condensation will occur. The auxiliary pan drain shall discharge to a conspicuous point of disposal to alert occupants in the event of a stoppage of the primary drain. The pan shall have a minimum depth of one and five tenths (1.5) inches (38 mm), shall be not less than three (3) inches (76 mm) larger than the unit or the coil dimensions in width and length and shall be constructed of corrosion-resistant material. Galvanized sheet steel pans shall have a minimum thickness of not less than (No. 26 Gage). Non-metallic pans shall have a minimum thickness of not less than 0.0625 inch (1.6 mm).
M1502.4.1 Material and size. Exhaust ducts shall have a smooth interior finish and be constructed of metal having a minimum thickness of 0.0157 inch (0.3950 mm) (No. 30 gage). The duct shall be four (4) inches (102 mm) nominal in diameter.
M1502.4.2 Duct installation. Exhaust ducts shall be supported at intervals not to exceed twelve (12) feet (3,658 mm) and shall be secured in place. The insert end of the duct shall extend into the adjoining duct or fitting in the direction of airflow. Exhaust duct joints shall be sealed in accordance with Section M1601.4.1 and shall be mechanically fastened or fastened by other methods as approved by the authority having jurisdiction. Ducts shall not be joined with screws or similar fasteners that protrude more than one-eighth (1/8) inch (3.2 mm) into the inside of the duct.
M1503.4 Makeup air required. Exhaust hood systems capable of exhausting in excess of four hundred (400) cubic feet per minute (0.19 m3/s) shall be mechanically or naturally provided with makeup air at a rate approximately equal to the exhaust air rate. Such makeup air systems shall be equipped with not less than one (1) damper. Each damper shall be a gravity damper or an electrically operated damper that automatically opens when the exhaust system operates. Dampers shall be accessible for inspection, service, repair and replacement without removing permanent construction or any other ducts not connected to the damper being inspected, serviced, repaired or replaced. Such makeup air systems shall be equipped with a means of closure and shall be automatically controlled to start and operate simultaneously with the exhaust system.
M1601.1.1 Above-ground duct systems. Above-ground duct systems shall conform to the following:
1.
Equipment connected to duct systems shall be designed to limit discharge air temperature to not greater than 250° F. (121° C.).
2.
Factory-made ducts shall be listed and labeled in accordance with UL 181 and installed in accordance with the manufacturer's instructions.
3.
Fibrous glass duct construction shall conform to the SMACNA Fibrous Glass Duct Construction Standards or NAIMA Fibrous Glass Duct Construction Standards.
4.
Field-fabricated and shop-fabricated metal and flexible duct constructions shall conform to the SMACNA HVAC Duct Construction Standards — Metal and Flexible except as allowed by Table M1601.1.1. Galvanized steel shall conform to ASTM A653.
5.
The use of gypsum products to construct return air ducts or plenums is permitted, provided that the air temperature does not exceed 125° F. (52° C.) and exposed surfaces are not subject to condensation.
6.
Duct systems shall be constructed of materials having a flame spread index of not greater than two hundred (200).
7.
Stud wall cavities and the spaces between solid floor joists to be used as non-ducted air plenums shall comply with the following conditions:
7.1.
These cavities or spaces shall not be used as a plenum for air supply.
7.2.
These cavities or spaces shall not be a part of required fire-resistance-rated assembly.
7.3.
Stud wall cavities shall not convey air from more than one (1) floor level.
7.4.
Stud wall cavities and joist-space plenums shall be isolated from adjacent concealed spaces by tight-fitting fireblocking in accordance with Section R602.8.
7.5.
Stud wall cavities in the outside walls of building envelope assemblies shall not be utilized as air plenums.
Table M1601.1.1
Duct Construction Minimum Sheet Metal Thickness for Single Dwelling Unitsa
Static Pressure
Round Duct Diameter
(inches)
1/2 inch water gage
1 inch water gage
Thickness (inches)
Thickness (inches)
Galvanized
Aluminum
Galvanized
Aluminum
< 12
0.013
0.018
0.013
0.018
12 to 14
0.013
0.018
0.016
0.023
15 to 17
0.016
0.023
0.019
0.027
18
0.016
0.023
0.024
0.034
19 to 20
0.019
0.027
0.024
0.034
Rectangular Duct Dimension
(largest dimension)
Static Pressure
1/2 inch water gage
1 inch water gage
Thickness
(inches)
Thickness
(inches)
Galvanized
Aluminum
Galvanized
Aluminum
< 8
0.013
0.018
0.013
0.018
9 to 10
0.013
0.018
0.016
0.023
11 to 12
0.016
0.023
0.019
0.027
13 to 16
0.016
0.027
0.019
0.027
17 to 18
0.019
0.027
0.024
0.034
19 to 20
0.019
0.034
0.024
0.034
For SI: 1 inch = 25.4 mm, 1 inch water gage = 249 Pa.
a.
Ductwork that exceeds twenty (20) inches by dimension or exceeds a pressure of one (1) inch water gage (250 Pa) shall be constructed in accordance with SMACNA HVAC Duct Construction Standards Metal and Flexible.
M1601.4.1 Joints, seams and connections.
Joints of duct systems shall be made substantially airtight in an unconditioned area by means of tapes, mastics, liquid sealants, gasketing or other approved closure systems. Closure systems used with rigid fibrous glass ducts shall comply with UL 181A and shall be marked 181A-P for pressure-sensitive tape, 181A-M for mastic or 181A-H for heat-sensitive tape. Closure systems used with flexible air ducts and flexible air connectors shall comply with UL 181B and shall be marked 181B-FX for pressure-sensitive tape or 181B-M for mastic. Duct connections to flanges of air distribution system equipment or sheet metal fittings shall be mechanically fastened. Mechanical fasteners for use with flexible non-metallic air ducts shall comply with UL 181B and shall be marked 181B-C. Crimp joints for round metal ducts shall have a contact lap of at least one (1) inch and shall be mechanically fastened with at least three (3) sheet metal screws or rivets equally spaced around the joint. Closure systems used to seal metal ductwork shall be installed in accordance with the manufacturer's installation instructions.
Exceptions:
1.
Spray polyurethane foam shall be permitted to be applied without additional joint seals.
2.
Where a duct connection is made that is partially inaccessible, three (3) screws or rivets shall be equally spaced on the exposed portion of the joint so as to prevent a hinge effect.
3.
Continuously welded and locking-type longitudinal joints and seams in ducts operating at static pressure less than two (2) inches of water column (500 Pa) pressure classification shall not require additional closure systems.
M1602.2 Return air openings. Return air openings for heating, ventilation and air conditioning systems shall comply with all of the following:
1.
Openings shall not be located less than ten (10) feet (3,048 mm) measured in any direction from an open combustion chamber or draft hood of another appliance located in the same room or space.
2.
Return and transfer openings shall be sized in accordance with the appliance or equipment manufacturers' installation instructions, Manual D or the design of the registered design professional.
3.
Return air shall not be taken from a closet space smaller than sixty-four (64) square feet, bathroom, toilet room, kitchen, garage, mechanical room, boiler room, furnace room or unconditioned attic.
Exceptions:
1.
Taking return air from a kitchen is not prohibited where such return air openings serve the kitchen only, and are located not less than ten (10) feet (3,048 mm) from the cooking appliances.
2.
Dedicated forced-air systems serving only the garage shall not be prohibited from obtaining return air from the garage.
4.
Taking return air from an unconditioned crawl space shall not be accomplished through a direct connection to the return side of a forced-air furnace. Transfer openings in the crawl space enclosure shall not be prohibited.
5.
Return air from one (1) dwelling unit shall not be discharged into another dwelling unit.
M2105.4 Piping and tubing materials standards. Ground-source heat-pump ground-loop pipe and tubing shall conform to the standards listed in Table M2105.4. However, polyvinyl chloride (PVC) and chlorinated polyvinyl chloride (CPVC) shall not be used for any geothermal application.
M2105.19 Pipe penetrations. Openings for pipe penetrations in walls, floors and ceilings shall be larger than the penetrating pipe. Openings in the foundation wall underground shall be sealed to not allow groundwater into a building.
G2408.4 (305.7) Clearances from grade. Equipment and appliances installed at grade level shall be supported on a level concrete slab or other approved material extending not less than two (2) inches (50.8 mm) above adjoining grade or shall be suspended not less than six (6) inches (152 mm) above adjoining grade. Such supports shall be installed in accordance with the manufacturer's installation instructions.
G2409.1 (308.1) Scope. This Section shall govern the reduction in required clearances to combustible materials, and combustible assemblies for chimneys, vents, appliances, devices and equipment. Clearance requirements for air-conditioning equipment and central heating boilers and furnaces shall comply with Sections G2409.3 and G2409.4 and shall follow the manufacturer's installation instructions.
G2412.9 (401.9) Identification. Each length of pipe and tubing and each pipe fitting, utilized in a fuel gas system, shall bear the identification of the manufacturer.
Exception: Line sets and similar materials provided the installer can provide documentation related to the material used such as, but not limited to, a receipt, invoice, or container.
G2442.4 (618.4) Prohibited sources. Outdoor or return air for forced-air heating and cooling systems shall not be taken from the following locations:
1.
Closer than ten (10) feet (3,048 mm) from an appliance vent outlet, a vent opening from a plumbing drainage system or the discharge outlet of an exhaust fan, unless the outlet is three (3) feet (914 mm) above the outside air inlet.
2.
Where there is the presence of objectionable odors, fumes or flammable vapors; or where located less than ten (10) feet (3,048 mm) above the surface of any abutting public way or driveway; or where located at grade level by a sidewalk, street, alley or driveway.
3.
A hazardous or insanitary location or a refrigeration machinery room as identified in the International Mechanical Code.
4.
A room or space, the volume of which is less than twenty-five percent (25%) of the entire volume served by such system. Where connected by a permanent opening having an area sized in accordance with Section G2442.2, adjoining rooms or spaces shall be considered as a single room or space for the purpose of determining the volume of such rooms or spaces.
Exception: The minimum volume requirement shall not apply where the amount of return air taken from a room or space is less than or equal to the amount of supply air delivered to such room or space.
5.
A room or space containing an appliance where such a room or space serves as the sole source of return air.
Exception: This shall not apply where:
1.
The appliance is a direct-vent appliance or an appliance not requiring a vent in accordance with Section G2425.8.
2.
The room or space complies with the following requirements:
2.1.
The return air shall be taken from a room or space having a volume exceeding one (1) cubic foot for each ten (10) Btu/h (9.6L/W) of combined input rating of all fuel-burning appliances therein.
2.2.
The volume of supply air discharged back into the same space shall be approximately equal to the volume of return air taken from the space.
2.3.
Return-air inlets shall not be located within ten (10) feet (3,048 mm) of a draft hood in the same room or space or the combustion chamber of any atmospheric burner appliance in the same room or space.
3.
Rooms or spaces containing solid fuel-burning appliances, provided that return-air inlets are located not less than ten (10) feet (3,048 mm) from the firebox of such appliances.
6.
A closet, bathroom, toilet room, kitchen, garage, boiler room, furnace room or unconditioned attic.
Exceptions:
1.
Where return air intakes are located not less than ten (10) feet (3,048 mm) from cooking appliances and serve only the kitchen area, taking return air from a kitchen area shall not be prohibited.
2.
Dedicated forced air systems serving only a garage shall not be prohibited from obtaining return air from the garage
3.
Where an enclosed space other than a bathroom, toilet room, kitchen, garage, furnace room or unconditioned attic is provided with a supply register, taking return air from that space shall not be prohibited.
7.
A crawl space by means of direct connection to the return side of a forced-air system. Transfer openings in the crawl space enclosure shall not be prohibited.
P2903.5 Water hammer. The flow velocity of the water distribution system shall be controlled to reduce the possibility of water hammer. A water-hammer arrestor shall be installed where quick-closing valves are used. Water-hammer arrestors shall be installed in accordance with the manufacturer's installation instructions. Water-hammer arrestors shall conform to ASSE 1010.
P2904.1 General. When installed, the design and installation of residential fire sprinkler systems shall be in accordance with NFPA 13D or Section 2904, which shall be considered equivalent to NFPA 13D. Partial residential sprinkler systems shall be permitted to be installed only in buildings not required to be equipped with a residential sprinkler system. Section P2904 shall apply to stand-alone and multipurpose wet-pipe sprinkler systems that do not include the use of antifreeze. A multipurpose fire sprinkler system shall provide domestic water to both fire sprinklers and plumbing fixtures. A stand-alone sprinkler system shall be separate and independent from the water distribution system. A backflow preventer shall not be required to separate a stand-alone system from the water distribution system.
E3902.2 Garage and accessory building receptacles. 125-volt, single-phase, 15- or 20-ampere receptacles installed in garage and grade-level portions of unfinished accessory buildings used for storage or work areas shall have ground-fault circuit-interrupter protection for personnel. [210.8(A)(2)]
Exception: Fastened in place appliances or outlets designated for refrigerators or freezers on a dedicated circuit.
E3902.5 Unfinished basement receptacles. 125-volt, single-phase, 15- and 20-ampere receptacles installed in unfinished basements shall have ground-fault circuit-interrupter protection for personnel. For purposes of this Section, unfinished basements are defined as portions or areas of the basement not intended as habitable rooms and limited to storage areas, work areas, and similar areas. [210.8(A)(5)]
Exceptions:
1.
A receptacle supplying only a permanently installed fire alarm or burglar alarm system. Receptacles installed in accordance with this exception shall not be considered as meeting the requirements of Section E3901.9.
2.
Fastened in place appliances or outlets designated for refrigerators or freezers on a dedicated circuit.
E3902.6 Kitchen receptacles. 125-volt, single-phase, 15- and 20-ampere receptacles that serve countertop surfaces shall have ground-fault circuit-interrupter protection for personnel. [210.8(A)(6)]
Exception: Simplex receptacles on dedicated circuits serving fastened in place appliances or refrigerators/freezers.
E3902.9 Laundry areas. 125-volt, single-phase, 15- and 20-ampere receptacles, other than simplex receptacles on dedicated circuits serving clothes washing machines installed in laundry areas shall have ground-fault circuit-interrupter protection for personnel. [210.8(A)(9)]
E3902.14 Location of ground-fault circuit interrupters. Ground-fault circuit interrupters shall be installed only in a readily accessible location. [210.8(A)]
c. 
The following Sections of the 2015 International Fire Code, as published by the International Code Council, are hereby revised as follows:
[A] 101.1 Title. These regulations shall be known as the Fire Code of the City of Lake Saint Louis, Missouri, hereinafter referred to as "this code."
[A] 108.1 Appeals. The Lake Saint Louis Building Appeals Board shall hear and decide appeals of orders, decisions or determinations made by the fire code official relative to the application and interpretation of this code. All rules and requirements associated with such an appeal, as specified in the Lake Saint Louis Municipal Code, shall apply. Application to appeal any order, decision or determination made by the fire code official shall be filed with the fire code official within twenty (20) days after the order, decision or determination was served, on a form obtained from the code official.
[A] 109.3 Violation penalties. Persons who shall violate a provision of this code or shall fail to comply with any of the requirements thereof or who shall erect, install, alter, repair or do work in violation of the approved construction documents or directive of the fire code official, or of a permit or certificate used under provisions of this code, shall be subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
[A] 111.4 Failure to comply. Any person who shall continue any work after having been served with a stop work order, except such work as that person is directed to perform to remove a violation or unsafe condition, shall be subject to penalties as prescribed by law.
[A] 113.3 Work commencing before permit issuance. A person who commences any work, activity or operation regulated by this code before obtaining the necessary permits shall be subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
d. 
The following Sections of the 2015 International Plumbing Code, as published by the International Code Council, are hereby revised as follows:
[A] 101.1 Title. These regulations shall be known as the International Plumbing Code of the City of Lake Saint Louis, Missouri, herein after referred to as "this code."
[A] 106.6.1 Work commencing before permit issuance. Any person who commences any work before obtaining the necessary permits shall be subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
[A] 106.6.2 Fees schedule. The fees for all plumbing permits shall be as indicated in the Lake Saint Louis Municipal Code.
[A] 106.6.3 Fee refunds. The code official may approve the refunding of permit and/or inspection fees only as permitted by the Lake Saint Louis Municipal Code and City policy.
[A] 108.4 Violation penalties. Any person who shall violate a provision of this code or shall fail to comply with any of the requirements thereof or who shall erect, construct, alter or repair plumbing work in violation of the approved construction documents or directive of the Building Official, or of a permit or certificate issued under the provisions of this code, shall be subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
[A] 108.5 Stop work orders. Upon notice from the code official, work on any plumbing system that is being performed contrary to the provisions of this code or in a dangerous or unsafe manner shall immediately cease. Such notice shall be in writing and shall be given to the owner of the property, or to the owner's authorized agent, or to the person performing the work. The notice shall state the conditions under which work is authorized to resume. Where an emergency exists, the code official shall not be required to give a written notice prior to stopping the work. Any person who shall continue any work in or about the structure after having been served with a stop work order, except such work as that person is directed to perform to remove a violation or unsafe condition, shall be subject to penalties as prescribed by law.
[A] 109.1 Application for appeal. Any aggrieved person with a material interest in the decision of the code official shall have the right to appeal such a decision to the Lake Saint Louis Building Appeals Board. All rules and requirements associated with such an appeal, as specified in the Lake Saint Louis Municipal Code, shall apply. An application for appeal shall be based on a claim that the true intent of this code or the rules legally adopted thereunder have been incorrectly interpreted, the provisions of this code do not fully apply, or an equally good or better form of construction is proposed. The application for appeal shall be filed with the code official within twenty (20) days after the decision of the code official was given on a form obtained from the code official.
[A] 109.1.1 Limitation of authority. The Lake Saint Louis Building Appeals Board shall not have authority relative to interpretation of the administration of this code nor shall such board be empowered to waive requirements of this code.
305.4.1 Sewer depth. Building sewers that connect to private sewage disposal systems shall be installed not less than thirty (30) inches (762 mm) below finished grade at the point of septic tank connection. Building sewers shall be installed not less than thirty (30) inches (762 mm) below grade.
903.1 Roof extension. Open vent pipes that extend through a roof shall be terminated not less than fourteen (14) inches (356 mm) above the roof. Where a roof is to be used for assembly or as a promenade, observation deck, sunbathing deck or similar purposes, open vent pipes shall terminate not less than seven (7) feet (2,134 mm) above the roof.
e. 
The following Sections of the 2015 International Mechanical Code, as published by the International Code Council, are hereby revised as follows:
[A] 101.1 Title. These regulations shall be known as the Mechanical Code of the City of Lake Saint Louis, Missouri, hereinafter referred to as "this code."
[A] 106.5.1 Work commencing before permit issuance.
Any person who commences work on a mechanical system before obtaining the necessary permits shall be subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
[A] 106.5.2 Fees schedule. The fees for all mechanical permits shall be as indicated in the Lake Saint Louis Municipal Code.
[A] 106.5.3 Fee refunds. The code official may approve the refunding of permit and/or inspection fees only as permitted by the Lake Saint Louis Municipal Code and City policy.
[A] 108.4 Violation penalties. Persons who shall violate a provision of this code or shall fail to comply with any of the requirements thereof or who shall erect, construct, alter or repair mechanical work in violation of the approved construction documents or directive of the code official, or of a permit or certificate issued under the provisions of this code, shall be subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
[A] 108.5 Stop work orders. Upon notice from the code official that mechanical work is being performed contrary to the provisions of this code or in a dangerous or unsafe manner, such work shall immediately cease. Such notice shall be in writing and shall be given to the owner of the property, or to the owner's authorized agent, or to the person doing the work. The notice shall state the conditions under which work is authorized to resume. Where an emergency exists, the code official shall not be required to give a written notice prior to stopping the work. Any person who shall continue any work on the system after having been served with a stop work order, except such work as that person is directed to perform to remove a violation or unsafe condition, shall be subject to penalties as prescribed by law.
[A] 109.1 Application for appeal. Any aggrieved person with a material interest in the decision of the code official shall have the right to appeal such a decision to the Lake Saint Louis Building Appeals Board. An application for appeal shall be based on a claim that the true intent of this code or the rules legally adopted thereunder have been incorrectly interpreted, the provisions of this code do not fully apply, or an equally good or better form of construction is proposed. All rules and requirements associated with such an appeal, as specified in the Lake Saint Louis Municipal Code, shall apply. The application for appeal shall be filed with the code official within twenty (20) days after the decision of the code official was given on a form obtained from the code official.
[A] 109.1.1 Limitation of authority. The Lake Saint Louis Building Appeals Board shall not have authority relative to interpretation of the administration of this code nor shall such board be empowered to waive requirements of this code.
f. 
The following Sections of the 2015 International Fuel Gas Code, as published by the International Code Council, are hereby revised as follows:
[A] 101.1 Title. These regulations shall be known as the Fuel Gas Code of the City of Lake Saint Louis, Missouri, hereinafter referred to as "this code."
[A] 106.5.1 Work commencing before permit issuance.
Any person who commences work on a fuel gas system before obtaining the necessary permits shall be subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
[A] 106.5.2 Fees schedule. The fees for all mechanical permits shall be as indicated in the Lake Saint Louis Municipal Code.
[A] 106.5.3 Fee refunds. The code official may approve the refunding of permit and/or inspection fees only as permitted by the Lake Saint Louis Municipal Code and City policy.
[A] 108.4 Violation penalties. Persons who shall violate a provision of this code or shall fail to comply with any of the requirements thereof or who shall erect, construct, alter or repair fuel gas system work in violation of the approved construction documents or directive of the code official, or of a permit or certificate issued under the provisions of this code, shall be subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
[A] 108.5 Stop work orders. Upon notice from the code official that fuel gas system work is being performed contrary to the provisions of this code or in a dangerous or unsafe manner, such work shall immediately cease. Such notice shall be in writing and shall be given to the owner of the property, or to the owner's authorized agent, or to the person doing the work. The notice shall state the conditions under which work is authorized to resume. Where an emergency exists, the code official shall not be required to give a written notice prior to stopping the work. Any person who shall continue any work on the system after having been served with a stop work order, except such work as that person is directed to perform to remove a violation or unsafe condition, shall be subject to penalties as prescribed by law.
[A] 109.1 Application for appeal. Any aggrieved person with a material interest in the decision of the code official shall have the right to appeal such a decision to the Lake Saint Louis Building Appeals Board. An application for appeal shall be based on a claim that the true intent of this code or the rules legally adopted thereunder have been incorrectly interpreted, the provisions of this code do not fully apply, or an equally good or better form of construction is proposed. All rules and requirements associated with such an appeal, as specified in the Lake Saint Louis Municipal Code, shall apply. The application for appeal shall be filed with the code official within twenty (20) days after the decision of the code official was given on a form obtained from the code official.
[A] 109.1.1 Limitation of authority. The Lake Saint Louis Building Appeals Board shall not have authority relative to interpretation of the administration of this code nor shall such board be empowered to waive requirements of this code.
g. 
The following Sections of the 2015 International Property Maintenance Code, as published by the International Code Council, are hereby revised as follows:
[A] 101.1 Title. These regulations shall be known as the Property Maintenance Code of the City of Lake Saint Louis, Missouri, hereinafter referred to as "this code."
Section 103.5 Fees. The fees for activities and services performed by the department in carrying out its responsibilities under this code shall be as indicated in the Lake Saint Louis Municipal Code.
[A] 111.1 Application for appeal. Any person directly affected by a decision of the code official or a notice or order issued under this code shall have the right to appeal to the Lake Saint Louis Building Appeals Board, provided that a written application for appeal is filed within twenty (20) days after the day the decision, notice or order was served. All rules and requirements associated with such an appeal, as specified in the Lake Saint Louis Municipal Code, shall apply. An application for appeal shall be based on a claim that the true intent of this code or the rules legally adopted thereunder have been incorrectly interpreted, the provisions of this code do not fully apply, or the requirements of this code are adequately satisfied by other means.
[A] 112.4 Failure to comply. Any person who shall continue any work after having been served with a stop work order, except such work as that person is directed to perform to remove a violation or unsafe condition, shall be subject to penalties as prescribed by law.
302.4 Weeds. Premises and exterior property shall be maintained free from weeds or plant growth in excess of seven (7) inches in height. Noxious weeds shall be prohibited. Weeds shall be defined as all grasses, annual plants and vegetation, other than trees or shrubs, provided; however, this term shall not include cultivated flowers and gardens.
Upon failure of the owner or agent having charge of a property to cut and destroy weeds after service of a notice of violation, they shall be subject to prosecution as prescribed by the authority having jurisdiction. Upon failure to comply with the notice of violation, any duly authorized employee of the jurisdiction or contractor hired by the jurisdiction shall be authorized to enter upon the property in violation and cut and destroy the weeds growing thereon, and the costs of such removal shall be paid by the owner or agent responsible for the property.
304.14 Insect screens. Every door, window and other outside opening required for ventilation of habitable rooms, food preparation areas, food service areas or any areas where products to be included or utilized in food for human consumption are processed, manufactured, packaged or stored shall be supplied with approved tightly fitting screens of minimum sixteen (16) mesh per inch (16 mesh per 25 mm), and every screen door used for insect control shall have a self-closing device in good working condition.
Exception: Screens shall not be required where other approved means, such as air curtains or insect repellent fans, are employed.
602.3 Heat supply. Every owner and operator of any building who rents, leases or lets one (1) or more dwelling units or sleeping units on terms, either expressed or implied, to furnish heat to the occupants thereof shall supply heat to maintain a minimum temperature of 68° F. (20° C.) in all habitable rooms, bathrooms and toilet rooms.
Exceptions:
1. When the outdoor temperature is below the winter outdoor design temperature for the locality, maintenance of the minimum room temperature shall not be required provided that the heating system is operating at its full design capacity. The winter outdoor design temperature for the locality shall be as indicated in Appendix D of the International Plumbing Code.
2. In areas where the average monthly temperature is above 30° F. (-1° C.), a minimum temperature of 65° F. (18° C.) shall be maintained.
602.4 Occupiable work spaces. Indoor occupiable work spaces shall be supplied with heat to maintain a minimum temperature of 65° F. (18° C.) during the period the spaces are occupied.
Exceptions:
1. Processing, storage and operation areas that require cooling or special temperature conditions.
2. Areas in which persons are primarily engaged in vigorous physical activities.
h. 
The following Sections of the 2015 International Energy Conservation Code, as published by the International Code Council, are hereby revised as follows:
C101.1 Title. This code shall be known as the International Energy Conservation Code of the City of Lake Saint Louis, Missouri, and shall be cited as such. It is referred to herein as "this code."
C107.3 Work commencing before permit issuance. Any person who commences any work before obtaining the necessary permits shall be subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
C108.4 Failure to comply. Any person who shall continue any work after having been served with a stop work order, except such work as that person is directed to perform to remove a violation or unsafe condition, shall be penalties as prescribed by law.
SECTION C109
APPEALS
C109.1 General. Any aggrieved person with a material interest in the decision of the code official shall have the right to appeal such a decision to the Lake Saint Louis Building Appeals Board. All rules and requirements associated with such an appeal, as specified in the Lake Saint Louis Municipal Code, shall apply. The application for appeal shall be filed with the code official within twenty (20) days after the decision of the code official was given on a form obtained from the code official.
R101.1 Title. This code shall be known as the International Energy Conservation Code of the City of Lake Saint Louis, Missouri, and shall be cited as such. It is referred to herein as "this code."
R107.3 Work commencing before permit issuance. Any person who commences any work before obtaining the necessary permits shall be subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
R108.4 Failure to comply. Any person who shall continue any work after having been served with a stop work order, except such work as that person is directed to perform to remove a violation or unsafe condition, shall be penalties as prescribed by law.
SECTION C109
APPEALS
R109.1 General. Any aggrieved person with a material interest in the decision of the code official shall have the right to appeal such a decision to the Lake Saint Louis Building Appeals Board. An application for appeal shall be based on a claim that the true intent of this code or the rules legally adopted thereunder have been incorrectly interpreted, the provisions of this code do not fully apply, or an equally good or better form of construction is proposed. All rules and requirements associated with such an appeal, as specified in the Lake Saint Louis Municipal Code, shall apply. The application for appeal shall be filed with the code official within twenty (20) days after the decision of the code official was given on a form obtained from the code official.
i. 
The following Sections of the 2015 International Existing Building Code, as published by the International Code Council, are hereby revised as follows:
[A] 101.1 Title. These regulations shall be known as the Existing Building Code of the City of Lake Saint Louis, hereinafter referred to as "this code."
[A] 105.2 Work exempt from permit. Exemptions from permit requirements of this code shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of this code or any other laws or ordinances of this jurisdiction. Permits shall not be required for the following:
Building:
1. Sidewalks and driveways.
2. Painting, papering, tiling, carpeting, cabinets, counter tops, and similar finish work.
3. Retaining walls that are not over four (4) feet (1,219 mm) in height measured from the bottom of the footing to the top of the wall, unless supporting a surcharge.
Electrical:
1. Listed cord-and-plug connected temporary decorative lighting.
2. Reinstallation of attachment plug receptacles but not the outlets therefor.
3. Replacement of branch circuit overcurrent devices of the required capacity in the same location.
4. Electrical wiring, devices, appliances, apparatus or equipment operating at less than twenty-five (25) volts and not capable of supplying more than fifty (50) watts of energy.
5. Minor repair work, including the replacement of lamps or the connection of approved portable electrical equipment to approved permanently installed receptacles.
Gas:
1. Portable heating, cooking or clothes drying appliances.
2. Replacement of any minor part that does not alter approval of equipment or make such equipment unsafe.
3. Portable-fuel-cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.
Mechanical:
1. Portable heating appliance.
2. Portable ventilation equipment.
3. Portable cooling unit.
4. Steam, hot, or chilled water piping within any heating or cooling equipment regulated by this code.
5. Replacement of any part that does not alter its approval or make it unsafe.
6. Portable evaporative cooler.
7. Self-contained refrigeration system containing ten (10) pounds (4.54 kg) or less of refrigerant and actuated by motors of one (1) horsepower (746 W) or less.
8. Portable-fuel-cell appliances that are not connected to a fixed piping system and are not interconnected to a power grid.
Plumbing:
1. The stopping of leaks in drains, water, soil, waste, or vent pipe; provided, however, that if any concealed trap, drainpipe, water, soil, waste, or vent pipe becomes defective and it becomes necessary to remove and replace the same with new material, such work shall be considered as new work, and a permit shall be obtained and inspection made as provided in this code.
2. The clearing of stoppages or the repairing of leaks in pipes, valves, or fixtures, and the removal and reinstallation of water closets, provided such repairs do not involve or require the replacement or rearrangement of valves, pipes, or fixtures.
[A] 108.4 Work commencing before permit issuance.
Any person who commences any work before obtaining the necessary permits shall be subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
SECTION 112
APPEALS
[A] 112.1 General. Any aggrieved person with a material interest in the decision of the code official shall have the right to appeal such a decision to the Lake Saint Louis Building Appeals Board. All rules and requirements associated with such an appeal, as specified in the Lake Saint Louis Municipal Code, shall apply. The application for appeal shall be filed with the code official within twenty (20) days after the decision of the code official was given, on a form obtained from the code official.
j. 
The following Sections of the 2015 International Swimming Pool and Spa Code, as published by the International Code Council, are hereby revised as follows:
[A] 101.1 Title. These regulations shall be known as the Swimming Pool and Spa Code of the City of Lake Saint Louis, Missouri, hereinafter referred to as "this code."
[A] 105.6.2 Fee schedule. The fees for permits shall be as indicated in the Lake Saint Louis Municipal Code.
[A] 105.6.3 Fee refunds. The code official may approve the refunding of permit and/or inspection fees only as permitted by the Lake Saint Louis Municipal Code and City policy.
[A] 107.4 Violation penalties. Any person who shall violate a provision of this code or shall fail to comply with any of the requirements thereof or who shall erect, install, alter or repair a pool or spa in violation of the approved construction documents or directive of the code official, or of a permit or certificate issued under the provisions of this code, shall be subject to penalties as prescribed by law. Each day that a violation continues after due notice has been served shall be deemed a separate offense.
[A] 107.5 Stop work orders. Upon notice from the code official, work on any system that is being performed contrary to the provisions of this code or in a dangerous or unsafe manner shall immediately cease. Such notice shall be in writing and shall be given to the owner of the property, or to the owner's authorized agent, or to the person performing the work. The notice shall state the conditions under which work is authorized to resume. Where an emergency exists, the code official shall not be required to give a written notice prior to stopping the work. Any person who shall continue any work in or about the structure after having been served with a stop work order, except such work as that person is directed to perform to remove a violation or unsafe condition, shall be subject to penalties as prescribed by law.
SECTION 108
APPEALS
[A] 108.1 Application for appeal. Any aggrieved person with a material interest in the decision of the code official shall have the right to appeal such a decision to the Lake Saint Louis Building Appeals Board. All rules and requirements associated with such an appeal, as specified in the Lake Saint Louis Municipal Code, shall apply. An application for appeal shall be based on a claim that the true intent of this code or the rules legally adopted thereunder have been incorrectly interpreted, the provisions of this code do not fully apply, or an equally good or better form of construction is proposed. The application for appeal shall be filed with the code official within twenty (20) days after the decision of the code official was given, on a form obtained from the code official.
k. 
The following Sections of the National Electrical Code, 2014 Edition, as published by the National Fire Protection Association, are hereby revised as follows:
80.1 Scope. These regulations shall be known as the Electrical Code of the City of Lake Saint Louis, Missouri, hereinafter referred to as "this code." The following functions are covered by this code:
(1) The inspection of electrical installations as covered by 90.2.
(2) The investigation of fires caused by electrical installations.
(3) The review of construction plans, drawings, and specifications for electrical systems.
(4) The design, alteration, modification, construction, maintenance, and testing of electrical systems and equipment.
(5) The regulation and control of electrical installations at special events including but not limited to exhibits, trade shows, amusement parks, and other similar special occupancies.
80.13 Authority Where used in this Article, the term authority having jurisdiction shall include the chief electrical inspector or other individuals designated by the governing body. This code shall be administered and enforced by the authority having jurisdiction designated by the governing authority as follows.
(13) Whenever any installation subject to inspection prior to use is covered or concealed without having first been inspected, the authority having jurisdiction shall be permitted to require that such work be exposed for inspection. The authority having jurisdiction shall be notified when the installation is ready for inspection and shall conduct the inspection within five (5) business days of such notification.
80.15 Appeals
The Lake Saint Louis Building Appeals Board shall hear and decide appeals of orders, decisions or determinations made by the authority having jurisdiction relative to the application and interpretation of this code. Appeals shall be based only upon an assertion that the true intent of the codes or ordinances described in this code has been incorrectly interpreted, or that the provisions of the codes or ordinances do not fully apply, or that a decision made by the authority having jurisdiction is unreasonable or arbitrary as it applies to alternatives or new materials. All rules and requirements associated with appeals, as specified in the Lake Saint Louis Municipal Code, shall apply. Application to appeal any order, decision or determination made by the authority having jurisdiction shall be filed with the authority having jurisdiction within twenty (20) days after the order, decision or determination was served, on a form obtained from the authority having jurisdiction. The Lake Saint Louis Building Appeals Board shall not have authority relative to interpretation of the administration of this code nor shall such board be empowered to waive requirements of this code.
80.19 Permits and Approvals. Permits and approvals shall conform to (A) through (H).
The fees for all electrical permits shall be as indicated in the Lake Saint Louis Municipal Code.
(F) Inspection and Approvals.
(3) When any portion of the electrical installation within the jurisdiction of an Electrical Inspector is to be hidden from view by the permanent placement of parts of the building, the person, firm or corporation installing the equipment shall notify the Electrical Inspector, and such equipment shall not be concealed until it has been approved by the Electrical Inspector.
(G) Revocation of Permits. Revocation of permits shall conform to the following:
(1) The authority having jurisdiction shall be permitted to revoke a permit or approval issued if any violation of this code is found upon inspection or in case there have been any false statements or misrepresentations submitted in the application or plans on which the permit or approval was based.
(2) Any attempt to defraud or otherwise deliberately or knowingly design, install, service, maintain, operate, sell, represent for sale, falsify records, reports, or applications, or other related activity in violation of the requirements prescribed by this code shall be a violation of this code. Such violations shall be cause for immediate suspension or revocation of any related licenses, certificates, or permits issued by this jurisdiction. In addition, any such violation shall be subject to any other criminal or civil penalties as available by the laws of this jurisdiction.
(3) Revocation shall be constituted when the permittee is duly notified by the authority having jurisdiction.
(4) Any person who engages in any business, operation, or occupation, or uses any premises, after the permit issued therefor has been suspended or revoked pursuant to the provisions of this code, and before such suspended permit has been reinstated or a new permit issued, shall be in violation of this code.
(5) A permit shall be predicated upon compliance with the requirements of this code and shall constitute written authority issued by the authority having jurisdiction to install electrical equipment. Any permit issued under this code shall not take the place of any other license or permit required by other regulations or laws of this jurisdiction.
(6) The authority having jurisdiction shall be permitted to require an inspection prior to the issuance of a permit.
(7) A permit issued under this code shall continue until revoked or for the period of time designated on the permit. The permit shall be issued to one (1) person or business only and for the location or purpose described in the permit. Any change that affects any of the conditions of the permit shall require a new or amended permit.
(H) Applications and Extensions. Applications and extensions of permits shall conform to the following:
(1) The authority having jurisdiction shall be permitted to grant an extension of the permit time period upon presentation by the permittee of a satisfactory reason for failure to start or complete the work or activity authorized by the permit.
(2) Applications for permits shall be made to the authority having jurisdiction on forms provided by the jurisdiction and shall include the applicant's answers in full to inquiries set forth on such forms. Applications for permits shall be accompanied by such data as required by the authority having jurisdiction, such as plans and specifications, location, and so forth. Fees shall be determined as required by local laws.
(3) The authority having jurisdiction shall review all applications submitted and issue permits as required. If an application for a permit is rejected by the authority having jurisdiction, the applicant shall be advised of the reasons for such rejection. Permits for activities requiring evidence of financial responsibility by the jurisdiction shall not be issued unless proof of required financial responsibility is furnished.
80.23 Notice of Violations, Penalties. Notice of violations and penalties shall conform to (A) and (B).
(A) Violations.
(1) Whenever the authority having jurisdiction determines that there are violations of this Code, a written notice shall be issued to confirm such findings.
(2) Any order or notice issued pursuant to this Code shall be served upon the owner, operator, occupant, or other person responsible for the condition or violation, either by personal service or mail or by delivering the same to, and leaving it with, some person of responsibility upon the premises. For unattended or abandoned locations, a copy of such order or notice shall be posted on the premises in a conspicuous place at or near the entrance to such premises and the order or notice shall be mailed by registered or certified mail, with return receipt requested, to the last known address of the owner, occupant, or both.
(B) Penalties.
(1) Any person who fails to comply with the provisions of this Code or who fails to carry out an order made pursuant to this Code or violates any condition attached to a permit, approval, or certificate shall be subject to the penalties established by this jurisdiction.
(2) Failure to comply with the time limits of an abatement notice or other corrective notice issued by the authority having jurisdiction shall result in each day that such violation continues being regarded as a new and separate offense.
80.25 Connection to Electricity Supply. Connections to the electric supply shall conform to (A) through (C).
(A) Authorization. Except where work is done under an annual permit and except as otherwise provided in 80.25, it shall be unlawful for any person, firm, or corporation to make connection to a supply of electricity or to supply electricity to any electrical equipment installation for which a permit is required or that has been disconnected or ordered to be disconnected.
(B) Special Consideration. By special permission of the authority having jurisdiction, temporary power shall be permitted to be supplied to the premises for specific needs of the construction project.
(C) Disconnection. Where a connection is made to an installation that has not been inspected, as outlined in the preceding paragraphs of this Section, the supplier of electricity shall immediately report such connection to the Chief Electrical Inspector. If, upon subsequent inspection, it is found that the installation is not in conformity with the provisions of Article 80, the authority having jurisdiction shall notify the person, firm, or corporation making the installation to rectify the defects and, if such work is not completed within a time specified by the authority having jurisdiction, the AHJ shall have the authority to cause the disconnection of that installation.
80.29 Liability for Damages. Article 80 shall not be construed to affect the responsibility or liability of any party owning, designing, operating, controlling, or installing any electrical equipment for damages to persons or property caused by a defect therein, nor shall the City of Lake Saint Louis, Missouri, or any of its employees be held as assuming any such liability by reason of the inspection, reinspection, or other examination authorized.
4. 
Plant Oil And Fat Extraction And Processing Facilities.
[Ord. No. 3984, 5-20-2019]
a. 
Intent. The following requirements are intended to help ensure the extraction and processing of oils and fats from various plants are conducted in a reasonably safe manner. Extraction by use of a solvent, desolventizing the raw material, production of a mixture, in any proportion, of the extracted oil or fat and the extracting solvent, distillation of the solvent from the miscella and solvent recovery shall be governed by these requirements. Included within these requirements are provisions for a technical report prepared by a registered design professional and site inspections to ensure equipment and systems are installed as designed and approved.
b. 
Definitions. For the purposes of this Section, the following terms shall have the meanings indicated:
DESOLVENTIZING
The act of removing a solvent from material.
MISCELLA
A mixture, in any proportion, of an extracted oil or fat and an extracting solvent.
c. 
Scope. Plant processing or extraction facilities shall comply with this Section, and with the City's most recently adopted Comprehensive Building Code. Extraction processes include the act of extraction of the oils and fats by use of a solvent, desolventizing of the raw material, production of the miscella, distillation of the solvent from the miscella and solvent recovery. The use, storage, transfilling and handling of hazardous materials in these facilities shall comply with all other applicable provisions of the City's most recently adopted Comprehensive Building Code.
d. 
Existing Buildings Or Facilities. Existing buildings or facilities used for the processing of plants or where the medium of extraction or solvent is changed shall comply with the requirements of this Section.
e. 
Permits. Permits shall be required as set forth in the City's most recently adopted Comprehensive Building Code.
f. 
Construction. Processing shall be located in a building complying with the City's most recently adopted Comprehensive Building Code.
g. 
Prohibited Occupancies. Extraction processes utilizing flammable gases or flammable cryogenic fluids shall not be located in any building containing a Group A, E, I or R occupancy as defined by the City's most recently adopted edition of the International Building Code.
h. 
Location. The extraction equipment and extraction processes utilizing hydrocarbon solvents shall be located in a room or area dedicated to extraction.
i. 
Post-Process Purification And Winterization. Post-processing and winterization involving the heating or pressurizing of the miscella to other than normal pressure or temperature shall be approved and performed in an appliance listed for such use. Domestic or commercial cooking appliances shall not be used.
j. 
Industrial Ovens. The use of industrial ovens shall comply with the relevant requirements of the City's most recently adopted edition of the International Fire Code.
k. 
Use Of Flammable And Combustible Liquids. The use of flammable and combustible liquids for liquid extraction processes where the liquid is boiled, distilled or evaporated shall be located within a hazardous exhaust fume hood, rated for exhausting flammable vapors. Electrical equipment used within the hazardous exhaust fume hood shall be rated for use in flammable atmospheres. Heating of flammable or combustible liquids over an open flame is prohibited. Exception: The use of a heating element not rated for flammable atmospheres, where documentation from the manufacturer or approved testing laboratory indicates the element is rated for heating of flammable liquids.
l. 
Liquefied Petroleum Gas. Liquefied petroleum gases shall not be released to the atmosphere except where released in accordance with Section 7.3 of NFPA 58.
m. 
General Requirements. Systems and equipment used with the processing and extraction of oils and products from plants shall comply with this and all other relevant portions of the City's most recently adopted Comprehensive Building Code and the City's Code of Ordinances.
n. 
Systems And Equipment. Systems or equipment used for the extraction of oils from plant material shall be listed or approved for the specific use. If the system used for extraction of oils and products from plant material is not listed, the system shall be reviewed by a registered design professional. The registered design professional shall review and consider any information provided by the system's designer or manufacturer. For systems and equipment not listed for the specific use, a technical report shall be prepared and submitted to the Chief Building Official for review and approval. The firm or individual preparing the technical report shall be approved by the Chief Building Official prior to performing the analysis.
o. 
Technical Report. A technical report, reviewed and approved by the Chief Building Official, is required prior to the equipment being located or installed at the facility. The technical report shall contain all of the following:
(1) 
Manufacturer information.
(2) 
Preparer of record of the technical report.
(3) 
Date of review and report revision history.
(4) 
Signature page, including author of the report, date of report, and date and signature of registered design professional of record performing the design or peer review.
(5) 
Model number of the item evaluated. If the equipment is provided with a serial number, the serial number shall be included for verification at the time of site inspection.
(6) 
Methodology of the design or peer review process used to determine minimum safety requirements. Methodology shall consider the basis of design, and shall include a code analysis and code path to demonstrate whether specific codes or standards are applicable.
(7) 
Equipment description. A list of every component and subassembly, such as fittings, hoses, quick disconnects, gauges, site glass, gaskets, valves, pumps, vessels, containers and switches, of the system or equipment, indicating the manufacturer, model number, material and solvent compatibility. Manufacturer's data sheets shall be provided.
(8) 
A general flow schematic or general process flow diagram of the process. Post-processing or winterization shall be included in this diagram. Primary components of the process equipment shall be identified and match the equipment list required in Subsection (A)(4)(o)(7), above. Operating temperatures, pressures and solvent state of matter shall be identified in each primary step or component. A piping and instrumentation diagram (PID or P&ID) shall be provided.
(9) 
Analysis of the vessel(s) if pressurized beyond standard atmospheric pressure. Analysis shall include purchased and fabricated components.
(10) 
Structural analysis for the frame system supporting the equipment.
(11) 
Process safety analysis of the extraction system, from the introduction of raw product to the end of the extraction process.
(12) 
Comprehensive process hazard analysis considering failure modes and points of failure throughout the process. The process hazard analysis shall include a review of emergency procedure information provided by the manufacturer of the equipment or process and not that of the facility, building or room.
(13) 
Review of the assembly instructions, operational and maintenance manuals provided by the manufacturer.
(14) 
List of references used in the analysis.
p. 
Site Inspection. Prior to operation of the extraction equipment, where required by the Chief Building Official, the engineer of record or approved professional shall inspect the site of the extraction process once equipment has been installed for compliance with the technical report and the building analysis. The engineer of record or approved professional shall provide a report of findings and observations of the site inspection to the Chief Building Official prior to the approval of the extraction process. The field inspection report authored by the engineer of record or approved professional shall include the serial number of the equipment used in the process and shall confirm that the equipment installed is the same model and type of equipment identified in the technical report.
q. 
Gas Detection. For extraction processes utilizing flammable gases as solvents, a continuous gas detection system shall be provided. The gas detection threshold shall be not greater than twenty-five percent (25%) of the lower explosive limit/lower flammability limit (LEL/LFL) of the materials.
r. 
System Design. The flammable gas detection system shall be listed or approved and shall be calibrated to the types of fuels or gases used for the extraction process. The gas detection system shall be designed to activate when the level of flammable gas exceeds twenty-five percent (25%) of the LFL.
s. 
Gas Detection System Components. Gas detection system control units shall be listed and labeled in accordance with UL 864 or UL 2017. Gas detectors shall be listed and labeled in accordance with UL 2075 for use with the gases and vapors being detected.
t. 
Operation. Activation of the gas detection system shall result in all the following:
(1) 
Initiation of distinct audible and visual alarm signals in the extraction room.
(2) 
Deactivation of all heating systems located in the extraction room.
(3) 
Activation of the mechanical ventilation system, where the system is interlocked with gas detection.
u. 
Failure Of The Gas Detection System. Failure of the gas detection system shall result in the deactivation of the heating system; activation of the mechanical ventilation system where the system is interlocked with the gas detection system; and initiation of a trouble signal to sound in an approved location.
v. 
Interlocks. Electrical components within the extraction room shall be interlocked with the gas detection system. Activation of the gas detection system shall disable all light switches and electrical outlets.
w. 
Emergency Shutoff. Extraction processes utilizing gaseous hydrocarbon-based solvents shall be provided with emergency shutoff systems in accordance with the relevant requirements of the City's most recently adopted edition of the International Fire Code.
B. 
It shall be unlawful to construct, enlarge, alter or repair any project, building or structure without first obtaining a building permit as required by the Lake Saint Louis Comprehensive Building Code.
C. 
Application And Submission Requirements. Every application for a building permit shall comply with all applicable provisions of the Lake Saint Louis Comprehensive Building Code and any regulations issued by the Chief Building Official and filed with the City Clerk requiring such other information as may be necessary to determine compliance with this Chapter.
D. 
Issuance. No building permit shall be issued until such permit has been examined by the Chief Building Official and he/she has affixed to it his/her approval that the application is in proper form, contains all necessary information and the proposed use of land, building or structure complies in all respects with the zoning provisions, including Sections 405.140 — 405.180, or with a written order from the Board of Adjustment in the form of an administrative review decision on an appeal.
E. 
Uncompleted Structures. See Section 410.120.
F. 
Professional Residential Builders Registration.
1. 
"Professional residential builder" shall mean any builder who acts as a general building contractor who undertakes to construct any residential building or buildings for use or occupancy by others.
A "control entity" shall mean:
a. 
Any person who, either alone or in joint tenancy with a spouse or with a parent, sister, brother, son or daughter, owns a majority of the voting stock of a corporation or other entity which owns a majority of the voting stock of a corporation;
b. 
A person who is the sole director of a corporation;
c. 
A person who, either alone or together with a spouse, parent, sister, brother, son or daughter, has the ability to nominate and approve a majority of the directors of a corporation;
d. 
A partnership, corporation, association or other entity which has the ability to nominate and approve a majority of the directors of a corporation;
e. 
A person, partnership, corporation, association or other entity that is a general partner of a partnership;
f. 
A person who, alone or together with a spouse, parent, sister, brother, son or daughter, has a majority of the votes needed by an association to make a decision;
g. 
A partnership, corporation, association or other entity which has a majority of the votes needed by an association to made a decision; or
h. 
Any entity which possesses, directly or indirectly, the power to direct or cause the direction of the management and policies of another entity, whether through ownership or voting securities, by contract or otherwise.
An "affiliated company" means any entity which, directly or indirectly through one (1) or more intermediaries, controls or is controlled by or is under common control with another entity.
2. 
No building permit shall be issued to any professional residential builder or general building contractor who does not have a valid, current residential builder's registration from the City of Lake Saint Louis.
3. 
An annual registration shall be issued by the City Clerk to a professional residential builder upon compliance with the following conditions:
a. 
Filing an application identifying all "control persons" of the applicant by name and address.
b. 
Evidence of an approved merchant's license issued by the City.
c. 
Certification by the City Collector that neither the applicant nor any affiliated company has any outstanding delinquent fees, taxes, assessments or fines due to the City.
d. 
Certification by the Chief Building Official that neither the applicant nor any control person of the applicant, nor any affiliated company has, within the preceding three (3) years, abandoned or discontinued the construction of any building during the period of validity of a building permit for it, in such fashion as to render the building a "dangerous building".
e. 
Posting of a bond, irrevocable letter of credit or suitable escrow in favor of the City, the form and language to be approved by the City Attorney, in an amount of ten thousand dollars ($10,000.00). The purpose for said bond and the manner and circumstances under which said bond is to be forfeited to the City shall be as set forth in Subsection (F)(3)(f)(2) below.
f. 
The builder's registration of any professional builder shall be revoked by the Chief Building Official and the bond shall be forfeited to the City:
(1) 
If at any time the builder or any control person or affiliated company of the builder or control person fails to complete structure(s) within the time limits specified by an approved building permit or an approved extension thereof;
(2) 
If any builder or any control person or affiliated company of the builder or control person is convicted of any municipal ordinance violation arising out of such person's building within the City or is convicted of three (3) or more mud on the street violations in a twelve (12) month period, or fails to comply in a timely fashion with any order or notice of any Code Enforcement Official relating to building that may be authorized by City ordinances.
g. 
The disapproval or the revocation of any builder's registration may be appealed to the Board of Adjustment by serving notice of appeal on the City Clerk not later than ten (10) days after such disapproval or revocation.
h. 
If the registration of any builder or any control person or affiliated company shall have been revoked hereunder, no new or future registrations shall be issued to such builder except by action of the Board of Aldermen upon such reasonable conditions as it may deem appropriate.
G. 
Escrows Or Bonds Required From Owner And Professional Builders (Other Than Residential Builders).
1. 
"Owner builder" shall mean any person who undertakes to construct or to have constructed any building for his/her own use or occupancy.
2. 
"Professional builder" (other than residential builder) shall mean any person or company who undertakes to construct or to have constructed any building for occupancy for his/her own use or use by others, either for multi-family residential, commercial or industrial use.
3. 
"Building board-up" shall mean the act of using plywood or other approved materials to close any openings in the exterior walls of a vacant, uninhabitable or unoccupiable structure to a height not less than eight (8) feet above the directly adjacent grade. In the event "building board-up" is used to form the exterior walls of an incomplete structure, the design and placement of the materials used shall be specified by an engineer licensed by the State of Missouri who shall provide a sealed plan for the work prior to its commencement. The materials used for the "building board-up" shall be of an approved color.
4. 
"Site improvement escrow" shall mean a surety bond, an irrevocable letter of credit or suitable escrow in the favor of the City in a sum equal to one hundred percent (100%) of the projected cost of all site-related improvements, including the site parking lot, site lighting, site stormwater detention/retention and site landscaping. "Site improvement escrow" shall also be pledged to insure that, in the event substantive construction work on the proposed structure ceases for a period for thirty (30) consecutive days, the City may provide for the site security and appearance through site construction debris cleanup, "building board-up", grading and seeding of the site and site landscaping. In the event the projected cost of the site improvement escrow is less than the projected cost for site construction debris cleanup and building board-up cost, the site improvement escrow shall be increased to include the projected cost difference. The cost difference is the difference between the projected cost for the site parking lot, site lighting, site stormwater detention/retention and site landscaping when compared to the projected cost for site construction debris cleanup, building board-up and site landscaping projected cost.
5. 
No building permit shall be issued to any "owner builder" or "professional builder" until the applicant has submitted to the Chief Building Official a detailed statement of the projected cost of all site improvements including the site parking lot, site lighting, site stormwater detention/retention, site landscaping, site construction debris cleanup and "building board-up" cost.
6. 
No building permit shall be issued to any "owner builder" or "professional builder" until the applicant has submitted a suitable "site improvement escrow".
H. 
The Director of Public Works or Community Development shall have the power to order all work to be stopped on any building(s) or structure(s) where such work is being done in violation of any provisions of the Municipal Code, or where work in is being done, in the development as a whole, that is in violation of any provision of the Municipal Code. Such order shall stop work on all projects the subject contractor, subcontractor, property owner or other agent is currently engaged in at the discretion of the Community Development Administrator when he/she reasonably believes that the violation that is the subject of the stop work order materially affects the health, safety and welfare of the community and is unlikely to be corrected without such action. For purposes of this provision, the discretion of the Community Development Administrator to extend any stop work order to other work in the development as a whole, or in any other development, shall extend to work being performed under the "control" of the primary entity to which the stop work order applies or is under the control of any entity which is a "control entity" of the primary entity to which the stop work order applies as those terms are defined in Section 135.260 of the Municipal Code. Such stop work orders may be given orally and may be enforced when so given provided, however, that any oral stop work order shall be followed by a written order within two (2) hours. All work that is stopped shall not be resumed except upon permission of the Community Development Administrator. Written stop work orders may be served by any Police Officer, any Public Works Department employee or any Community Development Department employee and may be served by personal service or by posting on the premises affected.
[Ord. No. 3707 § 2, 6-19-2017]
I. 
Where any provision or provisions of the Lake Saint Louis Municipal Code, properly and lawfully adopted, appears to be in conflict with any provision of the Comprehensive Building Code, as adopted by this Section, the more stringent or most stringent of the apparently conflicting provisions will apply.
J. 
Any person violating any provisions of this Chapter is guilty of a public offense and upon conviction thereof may be fined in a sum not to exceed five hundred dollars ($500.00) and/or sentenced to ninety (90) days imprisonment for each violation. Every day that this Chapter is violated shall constitute a separate offense. In addition to the imposition of such penalties, the City shall have available all other remedies including, but not limited to, revocation of permits and the refusal to issue future permits.
[CC 1988 §78.500]
A. 
The responsibility for the displaying of the assigned number for each house and building in the City shall rest with the property owner, trustee, lessee, agent or occupant of each house or building. Approved street address numbers shall be the address numbers assigned by the postmaster.
B. 
Such numbers shall be of such size and in such location to be visible from the nearest street. Address numbers shall be a minimum of three (3) inches in height and shall be located either near a building's main entrance or on a surface that is easily visible from the nearest street. Additional displays of assigned numbers may be displayed at the property owner's discretion. Assigned numbers shall be displayed with arabic numerals in a color that contrasts with the color of the subject house or building. Address displays in script are prohibited if used exclusively. Houses or buildings that are setback more than one hundred (100) feet from a street's curb shall be required to display address numbers within fifty (50) feet of the street curb.
[CC 1988 §78.510]
Any house or building found to be in violation of this Article shall be subject to a notice of violation and given ten (10) days to abate said nuisance.