Township of Lehigh, PA Improvement Specifications

Concrete curbing, as required, shall be constructed in accordance with PennDOT SP 408, latest revision, and the Typical Curb and Sidewalk Section.[1] Within the PRRC, the owner may, at its discretion, use granite block curb so long as the associated detailing is approved by the Township Engineer.

[Amended 10-27-2020 by Ord. No. 2020-5]

[1]

Editor's Note: The Typical Curb and Sidewalk Section diagram is included at the end of this chapter.

Concrete shall meet the requirements of Section 704 for Class A Cement Concrete, PennDOT SP 408, latest revision.

Forms shall be made of approved substantial material, preferably of steel, and shall be smooth, free of warp, and sufficiently rigid and supported to resist springing out of shape.

Curbs shall be carefully poured monolithically without segregation of constituents, tamped and screened true to grade and section, eliminating all voids and bringing sufficient mortar to the surface for finishing in a smooth, neat, even manner using approved tools.

Each curb section shall be constructed in lengths of 10 feet where practicable; in no case shall a section be less than five feet long. Each section shall be separated when pouring by a 1/8 inch steel template equal to the full depth of the curb. Expansion joints of approved 1/2 inch premolded bituminous material shall be placed for the full curb depth at all points adjoining sidewalk and existing curb, at points of tangency of street returns and intersecting curbs, and in no case more than 30 feet apart.

Forms may be removed no earlier than 12 hours after placement of the concrete. All construction joints shall then be filled with approved dry, sharp sand. Minor defects and honeycombing shall be corrected by patching with mortar; no plastering will be permitted. All exposed concrete shall be rubbed to a smooth surface and edges at joints finished with a suitable tool.

Concrete sidewalk.

An aggregate base shall be placed and thoroughly compacted to a depth of three inches using approved mechanical compactors. The aggregate shall meet the requirements, for AASHTO 57, PennDOT SP 408, latest revision.

Concrete shall meet the requirements of Section 704 for Class A Cement Concrete, PennDOT SP 408, latest revision.

Forms shall be made of approved substantial material, preferably of steel, and shall be smooth, free of warp, and sufficiently rigid and supported to resist springing out of shape. These forms shall be of a depth equal to that of the proposed sidewalk.

Sidewalks shall be carefully poured monolithically without segregation of constituents, to a depth of five inches and screened true to grade and sections, eliminating all voids and bringing sufficient mortar to the surface for finishing in a smooth, neat, even manner.

Sidewalk shall slope toward the street at the rate of 1/4 inch per foot. It shall be constructed in separate slabs of 30 feet in length except for closures. These slabs shall be separated for their full depth by expansion joints of approved 1/2 inch premolded bituminous material. This premolded material shall also be placed longitudinally at the joint where sidewalk slabs abut concrete curb and existing sidewalk. Between the transverse expansion joints, the slabs shall be divided into blocks five feet in length by using 1/8 inch steel templates equal in depth to that of the slab.

Forms may be removed no earlier than 12 hours after placement of the concrete. All construction joints and scoring shall then be filled with approved dry, sharp sand. Minor defects shall be corrected by patching with mortar; no plastering will be permitted.

Guide rail.

Streets shall be designed to preclude or minimize the need for guide rail. The Township may, however, require guide rail to be placed for protection on embankments when a barrier is indicated as warranted in Design Manual Part 2 Highway Design by the Pennsylvania Department of Transportation, August 1981 edition.

Effort shall be made to lessen the number of fixed obstructions along streets which would require guide rail. The Township may require, however, guide rail to be placed when a barrier is indicated as warranted for fixed objects in Design Manual Part 2 Highway Design by the Pennsylvania Department of Transportation, August 1981 edition.

The design and selection of guide rail shall generally be in accordance with the standards in Design Manual Part 2 Highway Design, August 1981 edition; however, the Township shall approve all guide rail systems.

§ 147-33 Sanitary sewer improvements.

Sanitary sewers shall be installed in accordance with the design standards set forth in this chapter. Materials and construction requirements shall be as specified by the Pennsylvania Department of Environmental Protection, the Township, the Township Engineer and as follows:

Materials.

All pipe for sanitary sewers up to fifteen-inch diameter will be polyvinyl chloride (PVC) pipe and fittings conforming with requirements of ASTM D 3034, SDR 35 and shall have a cell classification of 12454-B or ductile iron pipe conforming to AWWA C151, latest revision, thickness class 52. Minimum size for laterals shall be six inches.

Sanitary sewers larger than fifteen-inch diameter may be vitrified clay, extra strength, or reinforced concrete pipe conforming to ASTM Specification C-76, latest revision, with reinforcing conforming to ASTM Specifications A-82, A-185 or A-15, latest revisions. All concrete sanitary sewer pipe shall have a protective coating applied to the inside consisting of two coats of coal tar epoxy, total thickness 10 mills.

Ductile iron pipe for force mains shall be manufactured in accordance with AWWA C151, latest revision. All mechanical joints and fittings shall conform to ANSI Specifications A21.10 and A21.11 as applicable. All pipe and fittings shall be bituminous coated inside and outside.

Gaskets shall be made of vulcanized natural or synthetic rubber compound. No reclaimed rubber shall be used. The trade name or trademark, size and year of manufacture shall be molded in the rubber.

Bolts and nuts shall conform to the dimensions specified in ANSI Standard A21.11, latest revision. Bolts and nuts shall be coated with a rust-preventing lubricant.

All pipe delivered to the site shall be accompanied by a letter from the manufacturer certifying that the pipe furnished complies with the requirements for the class of pipe specified.

Manholes shall be precast reinforced concrete conforming to ASTM Specifications C478, latest revision, constructed on poured in place concrete bases having a twenty-eight-day compressive strength of 2,500 psi when tested in accordance with ASTM Specifications C39 and C192, latest revisions.

(8)

Joints for sanitary sewers shall be "O" ring conforming to ASTM Specification C425, latest revision, vitrified clay pipe and ASTM Specification C443, latest revision, for reinforced concrete pipe. All joints for PVC pipe shall utilize a rubber ring gasket type coupling, approved by the Township Engineer.

(9)

Service laterals shall be connected to the collector sewers through use of a "Y" branch and a "bend." "T" branches will not be permitted.

(10)

Manhole frames and covers must be heavy-duty, have a minimum clear opening of 24 inches, weigh not less than 350 pounds, be equal to Neenah Foundry Company Model R-1642, conform with the requirements of ASTM A48 (Class 30), and shall have the words "LTA Sanitary Sewer" cast thereon in letters two inches high. The covers shall be self-sealing, bolted, watertight manhole frames and covers, equal to Neenah Foundry Company Model R-1919, installed as determined by the Township Engineer.

Installation.

All pipe laying shall carefully progress uphill with hubs upgrade and ends fully and closely jointed. The interior of all pipe and fittings shall be kept free from dirt and foreign matter at all times. Trench widths shall not exceed the outside diameter of the pipe plus 16 inches, and depths shall be as required. Trench walls shall be vertical and bottoms shall be horizontal.

All pipe shall be laid in a special envelope of material conforming to AASHTO specifications for No. 57 coarse aggregate. The pipe envelope shall be a minimum thickness of six inches below the bottom (outside barrel) extending the full width of the flat trench bottom and extending vertically at full trench width to a minimum height of 12 inches above the top outside barrel of the pipe.

Until placed in use, the ends of all service laterals and "Y" branches installed for future use shall be stopped with plugs fitting with the same "O" ring joint as the sewer pipe.

Backfill. After proper installation of the pipe and special envelope, backfilling with PennDOT Type 2RC aggregate may be performed. All backfill shall be thoroughly compacted through the use of approved mechanical tampers and water jetting as directed.

Final inspection and testing.

Testing shall be performed as directed by lamping and the application of water and/or air tests. All sewers must be laid true to line and grade between manholes and must pass a visual test of straightness. If infiltration in any test section exceeds 100 gallons per inch diameter of pipe per mile of length in 24 hours or if exfiltration exceeds 100 gallons per inch diameter of pipe per mile of length in 24 hours, the system will not be accepted or certified for use until corrections are made. No infiltration or exfiltration will be permitted within 200 feet of water supply sources. In addition, the Township may require low-pressure air testing in accordance with ASTM C828, latest revision.

The developer must notify Lehigh Township at least two days in advance of performing any of the sewer trench excavation or pipe installation work so that inspection personnel can be present. Any work completed prior to such notification will not be considered acceptable.

§ 147-34 Water supply and distribution improvements.

Water supply and distribution systems and fire hydrants shall be installed in accordance with the design standards set forth in this chapter. Materials and construction requirements shall be as specified by the Township, the Township Engineer and as follows:

Materials.

All pipe shall be ductile iron pipe manufactured in all respects to conform to ANSI Specifications A21.51 (AWWA C151), current edition, and shall be Class 52. The design internal pressure, including the normal working pressure plus a 100 psi surge pressure, shall be 250 psi minimum. The pipe shall be cement lined in accordance with AWWA C104, current edition; double thickness lining (Section 4.8.2) shall be provided. All pipe shall be paint seal coated inside and bituminous coated outside. Joints shall be of the push-on type, similar in all essential respects to "Tyton," and shall conform to the requirements of ANSI A21.11 (AWWA C111).

All fittings and special pipe shapes, adapters, etc., required for closures, branches, bends, connections to mainline valves and other piping, etc., shall conform to the same requirements as specified for pipe in Subsection A(1) above.

Valve type.

All shutoff valves 12 inches and smaller shall be resident seated gate valves with nonrising stems, and shall be constructed of heavy-duty cast iron. Valves shall be two-inch nut operated opening to the left, have bronze mountings, be equipped with "O" ring stem seals, and have double-disc parallel seats. They shall have a working pressure rating of 200 psi, and conform to AWWA C-509. Joints shall be of the mechanical type. Gate valves shall be Mueller Company, American Valve and Hydrant or approved equal.

All gate valves larger than 12 inches shall be the double-disc type, bronze mounted, parallel seat with bronze wedging surfaces; valves 16 inches and larger shall be installed horizontally with gear box, rollers, tracks, scrapers and bypass. Gate valves shall conform to AWWA C-500 or the developer may substitute butterfly valves conforming to AWWA Standard C-504 as manufactured by Mueller Company or approved equal.

All gate and butterfly valves shall be provided with heavy-duty, three piece Buffalo type, cast iron, screw adjustable valve boxes. All boxes shall be of the appropriate length, have a 5 1/4 inch inside diameter shaft, and be furnished with a cover having the word "water" cast thereon. They shall be completely painted both inside and outside with bituminous paint. Valve boxes shall be Mueller Company H-10357 or approved equal.

Corporation stops shall be installed at all lateral connections. They shall be Mueller Company H-10010 or equal for use with air release valve installations and Mueller Company H-15000 or equal for other services.

All water piping of two-inch diameter and smaller used in air release valve installations shall be Type L hand-drawn copper tubing conforming to ASTM Specification B88. Changes in direction in copper piping shall be made using 125 pound brass screwed fittings.

Copper tubing installed underground shall be Type K, annealed. Fittings used underground shall be cast brass, flared or compression type.

(8)

Curb stops and boxes shall be installed on all services. Curb stops shall be of the size specified and of the "O" ring type. Curb stops shall be Mueller Mark II Oriseal with drain or equal.

(9)

Curb boxes shall be heavy-duty cast iron of the appropriate length (at least four feet deep) with a 2 1/2 inch inside diameter shaft, and coated inside and outside with asphalt paint. They shall be the screw adjustable Buffalo type and shall have the word "water" cast on the lid. Curb boxes shall be Mueller Company H-10350 or equal.

(10)

Fire hydrants shall be of the three-way compression type having a five-and-one-quarter-inch main valve opening, six-inch mechanical joint inlet connection, two-and-one-half-inch hose nozzles and one four-and-one-half-inch pumper nozzle all opening to the left. Threads shall be "National Standard" type. The hydrants shall be of the low profile breakable coupling type capable of withstanding 300 psi test. They shall be painted above ground with two coats of a high quality paint manufactured for this type of work. Color shall be selected by the Township. Below ground surfaces shall be coated with bituminous paint. Fire hydrants shall be Mueller Company A-423.

Installation.

The trench width shall be the outside pipe diameter plus 16 inches, and the depth shall be as required for the pipe and bedding. Trench walls shall be vertical and bottoms shall be horizontal. A minimum cover over the pipe of four feet shall be provided.

Prior to laying the pipe in the trench, a bedding of AASHTO No. 57 coarse aggregate, shall be placed on the trench bottom. This material shall be three inches minimum depth, thoroughly compacted with approved mechanical tampers. The bedding shall be graded by hand to provide a uniform and continuous bearing support for the pipe throughout its entire length. Bell holes shall be provided at the ends of pipe lengths to prevent bearing on the joints, but the size of the holes shall be kept to the minimum required to make the joint. The bell holes shall then be backfilled with bedding material which shall be compacted and brought up to the height of the adjacent material.

All pipe and fittings shall be carefully examined for cracks and other defects while suspended above the trench immediately before installation into final position. Pipe shall be laid with bell ends upgrade. Every precaution shall be taken to prevent foreign material from entering the pipe, fittings, etc., while it is being placed.

Unless otherwise directed, all valves shall be set truly vertical. All gate valves shall be provided with a valve box. The tops of the valve box shall be set to the grade of the surface of the existing ground unless directed otherwise.

Fire hydrants shall be installed vertically and, if necessary, shall be properly braced during backfilling. A gravel bed for proper drainage of the hydrant shall be provided.

Corporation stops shall be installed and placed at a forty-five-degree angle with the vertical center line of the pipe. Copper laterals shall be installed in one continuous length of pipe in an approved manner from the corporation stop to the curb stop and box. The curb box shall be installed vertically over the curb stop, and the top shall be set to the grade of the finished surface of existing ground unless otherwise directed.

Thrust blocks shall be applied at all tees, fire hydrants, crosses, plugs, caps, bends and valves as directed. The blocks shall be four-thousand-pound concrete poured neatly on solid ground and against undisturbed trench walls.

Backfill. Between the bedding material and one foot over top of the pipe, the backfill material shall conform to AASHTO specifications for No. 57 coarse aggregate. Frozen material shall not be used. The backfill material up to one foot on top of the pipe shall be placed in six-inch layers. Each layer shall be solidly rammed down and tamped around the water main with approved mechanical tampers. The remainder of the trench, shall be refilled either by hand or equipment in layers not to exceed six inches in thickness. The material used to backfill this portion of the trench shall be PennDOT type 2RC aggregate. All backfill material shall be thoroughly compacted.

Hydrostatic and pressure test.

All water lines shall be tested in the field, in the presence of the Township Engineer or an authorized assistant together with a representative of the developer in the manner prescribed. The developer shall diligently follow an approved testing program, in order that approval and acceptance of completed lines may be given. In the event the developer fails to conform to an approved testing program, such failure shall be considered by the Township Engineer as noncompletion of construction.

After the pipe has been laid and partially backfilled between joints, and all service connections and fire hydrants have been installed, each section of pipe between valves or temporary plugs shall receive the following hydrostatic tests, conforming with the Township's latest standards, but no less than the following:

The pipe shall be slowly filled with water and tested at a pressure 50% above normal working pressure, as determined by the Township Engineer, but in no case less than 150 psi, based on the elevation of the lowest point of the line or section under test. The pressure shall be applied by means of a pump connected to the pipe in a manner satisfactory to the Township Engineer. A meter to measure makeup water shall also be installed. The pump, pipe connection, taps into the pipe and all necessary apparatus shall be furnished by the developer. Before applying the specified test pressure, all air shall be expelled from the pipe.

All exposed pipes, fittings, valves and joints shall be carefully examined during the open-trench test. Any cracked or defective pipes, fittings or valves discovered in consequence of this pressure test shall be removed and replaced by the developer with sound material and the test shall be repeated until satisfactory to the Township Engineer. Should the developer elect to backfill the entire trench, or any portion thereof, prior to testing, the developer shall locate and repair any leaks which occur during this test.

(c)

While the test pressure is being maintained, all exposed pipes, fittings, valves and joints shall be inspected for leaks. Leakage shall not exceed 10 gallons per day per inch of pipe diameter per mile of pipe. The test pressure shall be maintained for a period of not less than one hour if joints are exposed and four hours when joints are covered.

A hydrostatic pressure test similar to the test described above shall be conducted on all water lines installed aboveground or inside buildings or structures, except that no leakage will be permitted.

§ 147-35 Storm drainage improvements.

Storm drainage systems shall be installed in accordance with the design standards and requirements set forth in this chapter, by the Township, by the Township Engineer, and as follows:

General criteria.

Reinforced concrete pipe shall be used for all storm sewer lines, including retention/detention facilities. Smooth-lined high-density polythylene pipe with watertight joints may be used subject to review by the Township Engineer. All pipe materials shall meet PennDOT requirements. Storm sewers shall have a minimum diameter of 15 inches. The Manning Equation shall be employed in computing pipe capacities. Sewers shall be installed on sufficient slopes to provide a minimum velocity of three feet per second when flowing full.

[Amended 6-14-2011 by Ord. No. 2011-1]

Open channels shall be designed to handle, without overflowing, the calculated runoff from a storm as specified in this chapter. A minimum freeboard of six inches shall be provided for all swales. The capacities of any modifications to natural channels shall be computed using the Manning Equation.

Headwalls shall be used where storm runoff enters the storm sewer horizontally from a natural or man-made channel. The capacity of such storm sewers shall be evaluated using both Manning's Equation and inlet/outlet control procedures. The lower flow derived from these two procedures shall be the design capacity of the storm sewer.

On curbed streets, inlets shall be placed at points of abrupt changes in the horizontal or vertical directions of storm sewers, at points where the flow in gutters exceeds three inches, and at a maximum distance of 600 feet apart. At intersections, the depth of flow across through streets shall not exceed one inch. The Manning Equation shall be used to calculate the capacities of gutters. Pennsylvania Department of Transportation two-feet-by-four-feet and two-feet-by-six-feet special inlets or equivalents should be used and should be spaced in accordance with the design procedures outlined in PennDOT Design Manual, Part 2. Manholes may be substituted for inlets at locations where inlets are not required to handle surface runoff.

Materials. Materials and construction requirements shall be as specified by the Township, the Township Engineer and as follows:

Reinforced cement concrete pipe, Class III, and coated corrugated galvanized steel pipe, shall comply with PennDOT SP 408, Section 601.

Joints for concrete pipe shall be of the "O" ring Type III per current ASTM Specifications C425 or mortared type as approved.

Manholes shall be precast reinforced concrete conforming to the current ASTM Specification C478, constructed on poured concrete bases having a twenty-eight-day compressive strength of 3,000 psi when tested per current ASTM Specifications C39 and C192.

Manhole frames and covers must be heavy-duty, have a minimum clear opening of 21 inches, weigh not less than 450 pounds, and be equal to Neenah Foundry Co. Model P-1030 or Campbell Foundry Co. Pattern 1004 and shall have the words "storm sewer" cast thereon in letters two inches high.

Installation.

All pipe laying shall carefully progress uphill with hubs upgrade and ends fully and closely jointed. Trench widths shall not exceed the outside diameter of the pipe plus 16 inches and depths shall be as required. Trench walls shall be vertical and bottoms shall be horizontal.

Prior to laying the pipe in the trench, a bedding of AASHTO No. 67 shall be placed on the trench bottom. This material shall be a minimum of four inches in depth and thoroughly compacted with approved mechanical tampers. The bedding shall be graded by hand to provide a uniform and continuous bearing support for the pipe throughout its entire length. Bell holes shall be provided at the ends of pipe length to prevent bearing on the joints.

Backfill. After proper installation of the pipe, backfilling may be performed. All backfill shall be thoroughly compacted through the use of approved mechanical tampers and water jetting as directed. The trench shall be backfilled for the entire width and depth with PennDOT Type 2RC crushed aggregate.

Structures. Concrete work for inlets, endwalls and other appurtenances shall be performed in an approved manner, and basically in accordance with Sections 704 and 1001 of PennDOT Form 408, current edition.

Within the PRRC Zone, the perimeter of the water surface associated with the maximum pool elevation in a basin for a twenty-five-year runoff event shall be set back 150 feet from an exterior property line adjoining an existing residential lot line along the perimeter of the PRRC zoning district, or as otherwise required by the Pennsylvania Department of Environmental Protection and Lehigh Valley Planning Commission regulations, using whichever of the three standards that provides the largest setback distance. In addition, the perimeter of the water surface associated with the maximum pool elevation in a basin for a 100-year runoff event shall be set back a minimum of 100 feet from any principal residential building or 25 feet to any other type of principal building.

[Added 3-8-2016 by Ord. No. 2015-13; amended 10-27-2020 by Ord. No. 2020-5]

§ 147-36 Miscellaneous improvements.

Street signs. Street name signs shall be installed at all street intersections. The design and placement of such signs shall be subject to approval by the Township Board of Supervisors.

Streetlights. In accordance with the conditions to be agreed upon by the developer and the Township Board of Supervisors, streetlights shall be installed in subdivisions and land developments in accordance with specifications of Pennsylvania Power and Light Company and Met-Ed.

[Amended 5-13-2003 by Ord. No. 2003-1]

Street trees. As required by § 147-27 of this chapter, street trees shall be provided.

Recreation facilities. As required by § 147-28 of this chapter, recreation facilities shall be provided.

Traffic control devices. The traffic control devices shown on the approved plan, including such items as traffic signals, stop signs and signs restricting parking, shall be installed as required by the Township. The cost of required permits shall also be borne by the developer.

Guide rails. When required by the Township, guide rails shall be provided in accordance with § 147-32 of this chapter.

Acceleration and deceleration lanes. When required by the Township as provided for in § 147-17E of this chapter, acceleration and deceleration lanes shall be provided.

Centralized mail delivery. When required by the Township, an area approved by the Supervisors and Postmaster shall be designated for centralized mail delivery to serve the proposed subdivision or land development. Safe and adequate access and parking shall be provided by the developer and included as part of the required street improvements.

General project form of mixed-used developments within the PRRC zone.

[Added 3-8-2016 by Ord. No. 2015-13]

The nonresidential area of the PRRC zone (except any existing structures that are to be repurposed) shall be configured so that the nonresidential buildings are located in proximity to collector roads, local roadways and private rights-of-way.

Buildings in the nonresidential area of the PRRC zone (except any existing structures that are to be repurposed) shall be clustered together into groups of more than one building to allow, where reasonably practicable, for the shared use of vehicle parking areas, loading areas, and customer dropoff facilities.

When reasonably practicable, in the nonresidential area of the PRRC zone (except any existing structures that are to be repurposed), nonresidential buildings shall be grouped along streets so that it is walking distance from one building to the next.

When reasonably practicable, nonresidential areas in the PRRC zone (except any existing structures that are to be repurposed) should be placed within walking distance to the residential areas and open space areas.

When reasonably practicable, in the nonresidential area of the PRRC zone (except any existing structures that are to be repurposed), surface parking areas should be located behind or to the side of a building.

For purposes of the traffic impact study and needed roadway improvements, traffic projections/generation for all uses, including within the existing seminary buildings, shall be included in determining the total of predicted traffic generation; exclusion of the Seminary buildings from the traffic impact study shall apply only in determining the total of all nonresidential uses in the PRRC zone.

On a landscaping plan as required in § 147-9A(26) of this chapter, planting berms shall be depicted around the perimeter of all residential areas in the PRRC zone to minimize views of homes from roadways existing at the time of the adoption of this ordinance. Planting berms may also be required around the perimeter of a residential area. Minimum berm size shall be four feet high and four feet wide at the top of the berm with a maximum 3:1 side slope. Plantings on top of berm shall follow requirements of § 180-33 of the Zoning Chapter. Existing features, such as natural hilly or wooded areas may be substituted for man-made berms, provided they create the desired effect. Street tree plantings shall be 1.5 times the number normally required in a residential subdivision. Due to the increased density of homes, individual lot grading plans shall be submitted for Township review prior to the issuance of building permits.

Building design standards within the PRRC zone.

[Added 3-8-2016 by Ord. No. 2015-13]

Nonresidential buildings (including mixed-use multifamily buildings, but excluding existing structures to be repurposed).

The maximum building footprint shall not exceed 15,000 square feet.

The front facade of a building shall be of an architectural style that complements the residential setting and reflects the historic and rural character of Lehigh Township.

(c)

Blank exterior walls shall not be permitted along any wall that faces a street, parking area or walking area. Walls that face a street, parking area or walking area shall have architectural treatments that are consistent with or complimentary to the front facade in style, materials, colors and/or details.

(d)

On the base floor, windows shall comprise a minimum of 40% and a maximum of 75% of the horizontal length of the front facade of a building. Base-floor windows should contain clear glass, with non-tinted glazing. Upper-floor windows should be proportioned and placed in relation to groupings of storefront or other windows and elements on the base floor.

(e)

To the extent reasonably practicable, all nonresidential buildings shall have pitched roofs covering at least 80% of the building with a pitch of at least six vertical inches to every 12 horizontal inches. To the extent reasonably practicable, pitched roofs shall provide overhanging eaves that extend a minimum of one foot beyond the building wall.

(f)

To the extent reasonably practicable, nonresidential buildings shall have a minimum five-foot offset in each facade for every 40 feet of continuous facade. This offset may be achieved through the use of bay windows, porches, porticos, building extensions, towers and/or other architectural elements.

(g)

A mixed-use multifamily building shall:

[1]

The facade of the mixed-use multifamily building shall be varied with a minimum offset of five feet every 40 feet. This offset may be achieved through the use of bay windows, porches, porticos, building extensions, towers and/or other architectural elements.

[2]

The maximum length of a mixed-use multifamily building shall be 224 feet.

[3]

Mixed-use multifamily buildings shall comply with both the area and parking requirements for the specific residential and nonresidential uses allowed in the PRRC zone.

Residential dwellings.

All residential dwellings shall have at least one entrance in the front facade.

To the extent reasonably practicable, all residential buildings shall have pitched roofs covering a minimum of 80% of the building with a pitch of at least six vertical inches to every 12 horizontal inches.

Lighting in the PRRC zone.

[Added 3-8-2016 by Ord. No. 2015-13]

All nonresidential building entrances and parking areas, sidewalks, pathways and other pedestrian areas in nonresidential areas of the PRRC zone shall be lit with pedestrian-scale lighting (for example, wall mounted, sidewalk lamps, bollards, landscape uplighting, et cetera). Typical commercial or industrial lighting solutions, such as "cobra head" fixtures, shall not be permitted unless complementary to the architectural style and design of the building.

Parking areas, sidewalks, pathways and other pedestrian areas in areas containing multiple-family dwellings shall be lit with pedestrian-scale lighting (for example, wall mounted, sidewalk lamps, bollards, landscape uplighting, et cetera).

§ 147-37 Monumentation.

Monument location. Permanent stone or concrete monuments shall be accurately placed:

At the intersection of all lines forming angles and at changes in direction of lines in the perimeter of the subdivision or land development.

Along all street rights-of-way, at changes in direction of street lines, at points of curvature and points of tangency.

At least one at each intersection.

At intermediate points wherever topographical or other conditions make it impossible to site between two otherwise required monuments.

At such other places along the line of streets as may be determined by the Township to be necessary so that any street may be readily defined in the future.

Monument type. Monuments shall be of reinforced concrete with minimum dimensions of four inches by four inches by 30 inches or stone with minimum dimensions of six inches by six inches by 30 inches.

Markers. One-half-inch diameter by thirty-inch-long steel pins or pipe shall be set after final grading at all lot corners.

Placement. All monuments and markers shall be placed by a qualified registered professional engineer or surveyor.

§ 147-38 Agreements, surety and acceptance.

Before the Township Board of Supervisors shall cause its approval to be endorsed upon the final plans of any subdivision or land developments (except in the case of minor subdivision wherein the Board of Supervisors imposes no condition or conditions for the approval of the plan), and as a requirement for the approval thereof, the owners shall enter into a written agreement with the Township in the manner and form set forth by the Township Solicitor where they shall agree:

Site improvements. To construct, or cause to be constructed, at his own expense, all streets, curbs, sidewalks, fire hydrants, streetlights, drainage facilities, street signs, monuments, capped sewers, parks and other improvements shown on said final plan, when required to do so by the Township Board of Supervisors in accordance with the final plans, as finally approved, and in strict accordance with this chapter.

Off-site improvement. The subdivider shall be required to pay the entire cost of providing and extending all necessary and required improvements to the subdivision or land development, such as the extension of sanitary and storm sewer and water lines and the construction of streets. In addition, the Township may require a subdivider, as a condition for approval of a subdivision or land development, to pay the entire share of the cost of providing necessary street improvements and water and sewerage and drainage facilities, and easements therefor, located outside the property limits of the subdivision or land development but necessitated or created or required by construction or improvements within such subdivision or land development.

Maintenance. To maintain at his own cost the said streets, curbs, sidewalks, drainage facilities, street signs, parks, monuments, fire hydrants, streetlighting, capped sewers and other improvements, until the same are accepted by the Township for public use, and for a period of 18 months thereafter, to repair and reconstruct the same or any part or one of them when such repair or construction shall be specified by the Township Board of Supervisors as necessary by reason of faulty construction, workmanship or materials, and, at or before acceptance of such improvements by the Township.

Easements and releases. To obtain the easements and releases required when any street or drainage facility abuts or traverses lands of parties other than those holding title to the lands of subdivision, at his own cost, and obtain from the owner of the lands so abutted or traversed full releases from all damages which may change in grade, construction, or otherwise, of the street, drainage facility or other improvements, and such releases shall insure to the benefit not only of the owner of the subdivision but to the Township as well.

Fees. To promptly reimburse to the Township reasonable engineers' fees as specified in § 147-57 hereof, together with all other costs and fees permitted by law.

Surety. To execute security documents in the name of Lehigh Township in the amount of the estimated cost of all required improvements, attached to the specific parcel of land being subdivided.

Acceptance.

When the developer has installed or constructed all required improvements as set forth herein the developer shall notify the Township Board of Supervisors, in writing, by certified or registered mail, of the completion of the aforesaid improvements and shall send a copy thereof to the Township Engineer. The Township Board of Supervisors shall, within 10 days after receipt of such notice, direct and authorize the Township Engineer to inspect all of the aforesaid improvements. The Township Engineer shall, thereupon, file a report, in writing, with the Township Board of Supervisors, and shall promptly mail a copy of the same to the developer by certified or registered mail. The report shall be made and mailed within 30 days after receipt by the Township Engineer of the aforesaid authorization from the Board of Supervisors; said report shall be detailed and shall recommend approval or rejection of said improvements, either in whole or in part, and of said improvements, or any portion thereof, shall not be recommended for approval by the Township Engineer, said report shall contain a statement of reasons for such nonapproval or rejection. The Township Supervisors shall notify the developer, within 15 days of receipt of the engineer's report, in writing by certified or registered mail of their action.

If any portion of the said improvements shall not be approved or shall be rejected by the Township Board of Supervisors, the developer shall proceed to complete the same and, upon completion, the same procedure of notification, as outlined herein, shall be followed.

If the Township Board of Supervisors or the Township Engineer fails to comply with the time limitation provisions contained herein, all improvements will be deemed to have been approved and the developer shall be released from all liability, pursuant to its security documents.