[Ord. No. 2249 §1, 11-6-2001; Ord. No. 2542 §§1 — 3, 2-20-2007; Ord. No. 3013, 8-1-2017; Ord. No. 3349, 12-20-2022]
A certain document, copies of which are on file in the office of the City Clerk of the City of Pacific, being marked and designated as the 2018 International Residential Code as published by the International Code Council, is hereby adopted as the Residential Code of the City of Pacific, and the terms of said Residential Code are hereby referred to, adopted and made a part hereof as if fully set out in this Section with the additions, insertions, deletions and changes, if any, described in Section 500.153.
[Ord. No. 2249 §2, 11-6-2001; Ord. No. 2542 §§1 — 2, II, 2-20-2007; Ord. No. 3013, 8-1-2017; Ord. No. 3349, 12-20-2022]
The following Sections of the International Residential Code,
2018 Edition, are hereby revised as follows:
1.
R 101.1 Title. These provisions shall be known as "the Residential
Buildings Code for One- and Two-Family Dwellings in the City of Pacific,"
and shall be cited as such and will be referred to herein as "this
code."
2.
R 101.2 Scope. The provisions of this code shall apply to the construction,
alteration, movement, enlargement replacement, repair, equipment,
use and occupancy, location, removal and demolition of detached one-
and two-family dwellings and townhouses not more than three (3) stories
above grade plan in height with a separate means of egress and their
accessory structures not more than three (3) stories above grade plane
in height.
3.
R 105.2 Work exempt from permit. Delete the following exceptions:
Building No. 2 and 10. Amend Building No. 3 as follows: Retaining
walls that are not over four (4) feet in heigh, unless supporting
a surcharge.
4.
R 105.5 Expiration. Amend as follows: Every permit issued shall become
invalid unless the work authorized by such permit is commenced within
one hundred eighty (180) days after its issuance or after three hundred
sixty-five (365) days of issuance. The building official is authorized
to grant, in writing, one (1) or more extensions of time, for periods
of not more than one hundred eighty (180) days each. The extension
shall be in writing and justifiable cause demonstrated.
5.
R 106.3.2 Previous Approvals. Amend as follows: This code shall not
require changes in the construction documents, construction or designated
occupancy of a structure for which a lawful permit has been heretofore
issued or otherwise lawfully authorized, and the construction of which
has been pursued in good faith within one hundred eighty (180) days
after the effective date of this code and has not been abandoned.
Any plans "Mastered" before the effective date of this code will be
required to be re-submitted and reviewed for code compliance under
this code to remain as a "Mastered" plan.
6.
R 108.2 Schedule of Permit Fees. On buildings, structures, electrical,
gas, mechanical and plumbing systems or alterations requiring a permit,
a fee for each permit shall be paid as required, in accordance with
the schedule as established by the City of Pacific Municipal Code.
7.
R 108.6 Work commencing before permit issuance. Any person who commences
work requiring a permit on a building, structures, electrical, gas,
mechanical and plumbing systems before obtaining the necessary permits
shall be subject to a fee established by the applicable governing
authority double the original permit fee in addition to the required
permit fees.
8.
R 112.1 General. In order to hear and decide appeals of orders, decisions
or determinations made by the building official related to the application
and interpretations of this code, there shall be and is hereby created
a board of appeals. The board of appeals shall consist of the Board
of Adjustment.
9.
R 113.4 Violation penalties. Any person who violates a provision of this code or fails to comply with any of the requirements thereof or who erects, constructs, alters or repairs a building or structure 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 Section 100.170 of the City of Pacific Municipal Code.
10.
R 114.2 Unlawful continuance. Any person who shall continue any work in or about the structure after having been served with a stop work order, the posting of 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 Section 100.170 of the City of Pacific Municipal Code.
11.
R 202 Definitions. Exterior balcony. An exterior floor projecting
from and supported by the structure without additional independent
support.
12.
R - Table 301.2(1)
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Climatic and Geographic Design Criteria
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|---|---|
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Ground Snow Load
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20 psf
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Wind Speed
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90 mph (3 sec. gust)
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76 mph (fastest mile)
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Seismic Design
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Category C
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Weathering
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Severe
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Frost Depth
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30 inches
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Termite
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Moderate to Severe
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Winter Design Temp.
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0 to 10° F.
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Ice Barrier Underlayment
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No
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Flood Hazards
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Ordinance 3181, April 7, 2020
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|
Current Firm
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June 5, 2020
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13.
R 302.5.1 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.
14.
R.302.13 Fire protection of Floors - Delete entire Section.
15.
R 303.3 Bathrooms - Exceptions: Add to the last sentence: Outside
will be considered as ridge vent, gable vent, and vented soffit.
16.
R 303.4 Mechanical ventilation. Delete entirely.
17.
R 309.5 Fire Sprinklers. Private garages shall be protected
by fire sprinklers where the garage wall has been designed based on
Table 302.1 (2), Note a, and the homeowner has opted to purchase a
fire sprinkler system for their residence, as per Section 67.281,
RSMo., as amended.
18.
R 311.3.2 Floor elevations at other exterior doors. A landing
is not required where a stairway of three (3) or fewer rises, two
(2) treads and a landing, is located on the exterior side of an exterior
door, provided the door does not swing over the stairway.
19.
R 312.2 Window fall protection. Delete in its entirety.
20.
R 312.2.1 Window sills. Delete in its entirety.
21.
R 312.2.2 Window opening control devices. Delete in its entirety.
22.
R 313.1 Townhouse automatic fire sprinkler systems. A builder
of townhouses 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 sprinklers in the townhouse. (Section 67.281,
RSMo., as amended.)
23.
R 313.2 One- And Two-Family Dwellings Automatic Fire Sprinkler
Systems. A builder of one- and two-family dwellings 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
sprinklers in the dwelling. (Section 67.281, RSMo., as amended.)
24.
R 314.3 Location. Smoke alarms shall be installed in the following
locations: 3. On each additional story of the dwelling, including
basements and habitable attics and not including crawl spaces and
uninhabitable attics.
25.
R 319 Site Address. Letters and numbers shall be a minimum of
three (3) inches in height for residential, and six (6) inches in
height for commercial, with a minimum stroke width of five-tenths
(0.5) inch.
26.
R 402.1 Wood foundations. Delete entirely including all Subsections.
27.
R 403.1 General. Delete crushed stone footing and wood foundation.
28.
Delete Tables 403.1(1), 403.1(2), 403.1(3) and replace with
Table 403.1
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Table 403.1 Minimum Width and Thickness of Concrete or Masonry
Footings
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|---|
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Load-Bearing Value of Soil (psf) 1,500 to 4,000
|
|
1 -story 8" thick x 20" wide
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2 -story 8" thick x 20" wide
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3 -story 10" thick x 24" wide
|
|
Reinforcement — Two (2) No. #4 rebar continuous and tied
in place.
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29.
R 403.1.4.1 Frost protection. Exceptions — Change #1 to
two hundred (200) square feet, and delete #2 and #3.
30.
R 403.1.4.3 Cold Weather Requirement — Add the following:
No concrete shall be poured or installed below a temperature of twenty-five
degrees Fahrenheit (25° F.).
31.
R 403.1.4.4 Hot Weather Requirements — Add the following:
During hot weather, proper attention shall be given to ingredients,
production methods, handling placing, protection during curing to
prevent excessive concrete temperature or water evaporation that could
impair the required strength or serviceability of the member or structure.
No concrete shall be poured or installed when the temperature is above
one hundred five degrees Fahrenheit (105° F.).
32.
R 403.2 Footings for wood foundations. Delete entirely. Deleted
wood foundations, footings do not apply.
33.
R 403.3.3 Drainage. Delete last sentence: "or into an approved
sewer system."
34.
Tables — 404.1.1(1), 404.1.1(2), 404.1.1(3), 404.1.1(4),
404.1.1(5), 404.1.1(6), 404.1.1(7), 404.1.1(8), and 404.1.1(9). Plain
Concrete and Plain Masonry Foundation Walls, delete in its entirety.
Add the following table.
|
Table - 404.1.1(1) Reinforced Concrete and Masonry Foundation
Walls
| |
|---|---|
|
Maximum Wall Height
|
Minimum Vertical/Horizontal Reinforcement Size and Spacing for
8'-10'-12' Walls All Soil Classes
|
|
4 FT.
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Vert. - #4 @ 4FT. O.C.
|
|
Horiz. -#4 @ 2FT. O.C.
| |
|
8 FT.
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Vert. -#4 @ 2FT. O.C.
|
|
Horiz. -#4 @ 2FT. O.C.
| |
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9 FT.
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Vert. -#5 @ 2FT. O.C.
|
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Horiz. #5 @ 2FT. O.C.
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Over 10 FT.
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Design Required
|
|
Notes:
| |
|
a)
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Mortar shall be type M and S masonry shall be laid in running
board.
|
|
b)
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Vertical/horizontal reinforcement shall be a grade (40) minimum.
The distance from the face of the soil side of the center of the vertical
reinforcement shall be at least five (5) inches for eight (8) inch
walls, six and seventy-six hundredths (6.76) inches for ten (10) inch
walls, and eight and seventh-five hundredths (8.75) inches for twelve
(12) inch walls.
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|
c)
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Vertical rebar shall extend to within six (6) inches from the
top of the foundation wall.
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35.
R 404.2 Wood Foundation Walls. Delete entirely including all
Subsections.
36.
R 405.2 Wood Foundations. Delete entirely including all Subsections.
37.
R - 408.4 Access - Change to the following: All access opening
in this Section shall be a minimum eighteen (18) inches by twenty-four
(24) inches.
38.
Table R - 503.2.1.1(1) Allowable Spans and Loads for Wood Structural
panels for Roofs, Sub-floors and combination Sub-Floor underlayment.
Delete minimum nominal panel thickness 3/8" & 7/16" for
Sheathing, Roof, Sub-floor
Delete minimum nominal panel thickness 19/32" & 5/8" for
Underlayment, C-C Plugged, Single Floor, Roof, Combination Sub-floor
underlayment.
39.
R 504 Pressure Preservative Treated Wood Floors (On Ground).
Delete entirely including all Subsections.
40.
Chapter 11, Energy Efficiency - Delete in its entirety.
41.
M 1501.1 Outdoor Discharge. The air removed by every mechanical
exhaust system shall be discharged to the outdoors in accordance with
Section M1504.3. Air shall not be exhausted into an attic, soffit,
ridge vent or crawl space.
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Exceptions: Add new Number 2.
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|
•
|
Bathroom exhaust may discharge to a ventilated soffit.
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42.
G 2420.5.3 (409.5.3) Located at Manifold: Delete Section.
43.
G 2433.1 (603.1) Delete and replace with: Log Lighters: Log
lighters are not permitted.
44.
P 2503.5.1 Rough plumbing. DWV systems shall be tested on completion
of the rough piping installation by water or by air, without evidence
of leakage. Either test shall be applied to the drainage system in
its entirety or in sections after rough-in piping has been installed,
as follows:
|
•
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Water test. Each section shall be filled with water to a point
not less than five (5) feet (1524 mm) above the highest fitting connection
in that section, or to the highest point in the completed system.
Water shall be held in the section under test for a period of 15 minutes.
The system shall prove leak free by visual inspection.
|
|
•
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Air test. The portion under test shall be maintained at a gauge
pressure of five (5) pounds per square inch (psi) (34 kPa) or ten
(10) inches of mercury column (34 kPa). This pressure shall be held
without introduction of additional air for a period of fifteen (15)
minutes.
|
45.
P 2706.2 Prohibited waste receptors. Plumbing fixtures that
are used for washing or bathing shall not be used to receive the discharge
of indirect waste piping. Exceptions: add 3.
46.
P 2804.0 Water Heater Sizing
47.
Table — 2804.1 Water Heater Sizing Chart
|
For SI: 1 gallon = 3.785 L, 1 gallon per hour = 1.05 mL/s, 1
Btu/h = 0.2931
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|
Note: Storage capacity, input and the recovery requirements
indicated in the table are typical and may vary with each individual
manufacturer. any combinations of these requirements to produce 1
- hour draw stated will be satisfactory. Recovery is based on one
hundred degrees Fahrenheit (100° F.) water temperature rise.
|
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FUEL
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Gas
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Elect
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Oil
|
Gas
|
Elect
|
Oil
|
Gas
|
Elect
|
Oil
|
Gas
|
Elect
|
Oil
| |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Number of Bedrooms
|
1
|
2
|
3
| ||||||||||
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1 to 1 1/2 Baths
|
Storage (gal)
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20
|
20
|
30
|
30
|
30
|
30
|
30
|
40
|
30
| |||
|
Input (Btu/h or kW)
|
27 kW
|
2.5
|
70 kW
|
36 kW
|
3.5
|
70 kW
|
36 kW
|
4.5
|
70 kW
| ||||
|
Draw (gph)
|
43
|
30
|
89
|
60
|
44
|
89
|
60
|
58
|
89
| ||||
|
Recovery (gph)
|
23
|
10
|
59
|
30
|
14
|
59
|
30
|
18
|
59
| ||||
|
Number of Bedrooms
|
2
|
3
|
4
|
5
| |||||||||
|
2 to 2 1/2 Baths
|
Storage (gal)
|
30
|
40
|
30
|
40
|
50
|
30
|
40
|
50
|
30
|
50
|
66
|
30
|
|
Input (Btu/h or kW)
|
36 kW
|
4.5
|
70 kW
|
36 kW
|
5.5
|
70 kW
|
38 kW
|
5.5
|
70 kW
|
47 kW
|
5.5
|
70 kW
| |
|
Draw (gph)
|
60
|
58
|
89
|
70
|
72
|
89
|
72
|
72
|
89
|
90
|
88
|
89
| |
|
Recovery (gph)
|
30
|
18
|
59
|
30
|
22
|
59
|
32
|
22
|
59
|
40
|
22
|
59
| |
|
Number of Bedrooms
|
3
|
4
|
5
|
6
| |||||||||
|
3 to 3 1/2 Baths
|
Storage (gal)
|
40
|
50
|
30
|
50
|
66
|
30
|
50
|
66
|
30
|
50
|
80
|
40
|
|
Input (Btu/h or kW)
|
38 kW
|
5.5
|
70 kW
|
38 kW
|
5.5
|
70 kW
|
47 kW
|
5.5
|
70 kW
|
50 kW
|
5.5
|
70 kW
| |
|
Draw (gph)
|
72
|
72
|
89
|
82
|
88
|
89
|
90
|
88
|
89
|
92
|
102
|
99
| |
|
Recovery (gph)
|
32
|
22
|
59
|
32
|
22
|
59
|
40
|
22
|
59
|
42
|
22
|
59
| |
48.
N P2902.5.3 Lawn Irrigation Systems - Change to read as follows:
The potable water supply to lawn irrigation systems shall be protected
against backflow by a reduced pressure principal backflow preventer.
Where chemicals are introduced into the system, the potable water
supply shall be protected against backflow by a reduced principal
backflow preventer.
49.
P 2904.1 General. When installed, the design and installation
of residential fire sprinkler systems shall be in accordance with
NFPA 13D or Section P2904, which shall be considered to be 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 standalone
sprinkler system shall be separate and independent from the water
distribution system. A backflow preventer shall not be required to
separate a sprinkler system from the water distribution system, provided
that the sprinkler system complies with all of the following:
|
•
|
The system complies with NFPA 13D or Section P2904.
|
|
•
|
The piping material complies with Section P2906.
|
|
•
|
The system does not contain antifreeze.
|
|
•
|
The system does not have a fire department connection.
|
50.
P 2906.4 Water service pipe: Table 2906.4 Delete the following:
(ABS) plastic pipe, asbestoscement pipe, (CPVC) plastic pipe, (PE-AL-PE)
compositor pipe, (PP) plastic pipe and tubing.
51.
P 2906.5 Water Distribution Systems: Table 2906.5 Delete the
following: (ABS) plastic pipe, (PE- AL-PE) compositor pipe, (PP) plastic
pipe and tubing.
52.
P 2906.5.1 Under Concrete Slabs: Inaccessible water distribution
piping under slabs shall be PE 4710, CTS (copper tube size), SDR 9,
200 psi, AWWA C901, NSF-pw, copper water tubing minimum Type K, brass,
ductile iron pressure pipe, all to be installed with approved fittings
or bends. The minimum pressure rating tubing installed under slabs
shall be one hundred (100) psi at one hundred eighty degrees Fahrenheit
(180° F.).
53.
P 3002.1 (1) Above-Ground Drainage and Vent Pipe: Table 3002.1(1)
- Delete the following: (ABS) plastic pipe in IPS diameters, including
schedule 40, DR22(PS200) and DR 24 (PS140): with solid, cellular core,
or composite wall, Polyolefin pipe, (PVC) plastic pipe in IPS diameters,
schedule 40, (cellular core) or (composite wall), DR22 (PS200) and
DR24 (PS 140): with solid, cellular core, or composite wall. (PVC)
plastic pipe with a three and twenty-five hundredths (3.25) inch O.D.
in (cellular core) or composite wall. (PVDF) plastic pipe.
54.
P 3002.1 (2) Underground Building Drainage and Vent Pipe Table
3002.1(2) Delete the following: (ABS) plastic pipe in IPS diameters,
including schedule 40, DR22, (PS200), and DR-24 (PS 140): with solid,
cellular core and composite wall. Asbestos - cement pipe, Polyolefin
pipe, (PVC) plastic pipe in IPS diameters, schedule 40, (cellular
core) or composite wall, DR-22 (PS200) and DR24 (PS140): with solid,
cellular core or composite wall. (PVC) plastic pipe three and twenty-five
hundredths (3.35) inch O.D. in cellular core or composite wall. (PVDF)
plastic pipe.
55.
P 3002.2 Building Sewer Pipe: Table 3002.2 Delete the following:
(ABS) plastic pipe in IPS diameters, including schedule 40, DDR22
(PS 200) and DR24 (PS 140); with a solid, cellular core or composite
wall. (ABS) plastic pipe in sewer and drain diameters, including PS35,
(PS45), PS50, PS100, PS140, SDR 23.5 (PS150) and PS200 in solid, cellular
core or composite wall. (PVC) plastic pipe in IPS diameters, including
schedule 40 (cellular core) or composite wall, DR22 (PS200) and DR24
(PS140); with solid, cellular core or composite wall. (PVC) plastic
pipe in sewer and drain diameters, including PS25, DSR 41 (PS28),
PS35, (PS 46), PS50, PS100, SDR 26, (PS 115), PS 140 and PS200; with
solid, cellular core and composite wall. (PVC) plastic pipe three
and twenty-five hundredths (3.25) inch O.D. in (cellular core) or
composite wall. (PVDF) plastic pipe. Vitrified clay pipe.
56.
P 3002.3 Pipe Fittings: Table 3002.3 - Delete the following:
(ABS) plastic pipe in IPS diameters, (ABS) plastic pipe in sewer and
drain diameters, Polyolefin, (PVDF) plastic pipe. Vitrified clay pipe.
57.
P3007.3 Discharge Piping Location. All sump pump piping shall
be discharged to the outside only. Discharge to sanitary sewer is
prohibited.
58.
P 3113.1.1 Main vent stack: Every building shall have a main
vent of three (3) inches in diameter that is either a vent stack or
a stack vent. Such vent shall run undiminished in size and as direct
as possible from the building drain through to the open air above
roof. All other vents shall not be less than two (2) inches in diameter.
59.
P 3114.1 General - Add the following sentence: Where approved
by the Code Official.
60.
E 3405.2 Working clearances for energized equipment and panelboards.
Add in flood hazard areas: The floor or platform of the working space
shall be a minimum of thirty-six (36) inches and a maximum of five
(5) feet-six (6) inches below for a meter socket or minimum of twelve
(12) inches to the bottom of a hinged type current transfer cabinet
and a maximum of six (6) feet to the top of the cabinet.
61.
E 3601.6.2 Service disconnect location. The service disconnecting
means shall be installed at a readily accessible location outside
of the building. Each occupant shall have access to the disconnect
serving the dwelling unit in which they reside. [NEC 230.70(A)(1)(2),
230.72(c)]
62.
Table 3603.1 Service Conductor and Grounding Electrode Conductor
Sizing: Change Table as follows:
1.
Delete 250, 300 and 350 service or feeder rating (Amperes).
63.
E 3605.5 Protection of Service Cables Against Damage And All
Other Service Cables: Above ground service - entrance cables, where
subject to physical damage, shall be protected by a minimum of schedule
40 conduit.
64.
E 3902.2 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)]
|
Exceptions:
| |
|
•
|
Fastened in place appliances or outlets designated for refrigerators/freezers.
|
|
•
|
Dedicated garage door receptacles.
|
65.
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. [210.8(A)(5)]
|
Exceptions:
| |
|
•
|
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. [210.8(A)(5) Exception]
|
|
•
|
Fastened in place appliances or outlets designated for refrigerators/freezers.
|
66.
E 3902.10 Kitchen dishwasher branch circuit. Delete the following:
Ground-fault circuit- interrupter protection shall be provided for
outlets that supply dishwashers in dwelling unit locations. [210.8(D)]
67.
E 3902.16 Arc-fault circuit-interrupter protection. Delete entirely
68.
E 4002.14 Tamper-resistant receptacles. Delete entirely including
Exception.
69.
Adopt the following Appendices:
Appendix A Sizing and Capacities of Gas Piping
Appendix B Sizing of Venting Systems Serving Appliances equipped
with Draft hoods, Category 1 Appliances and Appliances listed for
use with Type B Vents
Appendix C Exit Terminals of Mechanical Draft and Direct-Vent
Venting Systems
Appendix D Recommended Procedure for Safety Inspection of an
Existing Appliance Installation
Appendix E Manufactured Housing Used as Dwellings
Appendix H Patio Covers
Appendix J Existing Buildings and Structures
Appendix M Home Day Care — "R-3" Occupancy
Appendix N Venting Methods
Appendix P Sizing of Water Piping System
