All improvements shall be installed in accordance with the standards and specifications prescribed as follows. Should improvements be made for which standards are not provided herein, the developer shall submit detailed designs and supporting documentation for approval by the Township Engineer prior to construction.
All circulation system improvements shall conform with the Standard Specifications for Road and Bridge Construction of the New Jersey Department of Transportation (latest edition) including all addenda and the Standard Construction Details of the New Jersey Department of Transportation as modified, supplemented, amended or superseded by the requirements of this chapter as shall be incorporated on the approved plat or plan.
A. 
Roadway pavement. Pavement design for local and collector roadways and parking areas shall adhere to the specifications for their full paved area as shown on Exhibit 11.[1]
[1]
Editor's Note: Exhibit 11 is on file in the Land Use Office.
B. 
Curbs.
(1) 
The standard curb section used shall be 20 feet in length. All concrete used for curbs shall be prepared in accordance with the requirements by class concrete of the New Jersey Department of Transportation, Standard Specifications for Road and Bridge Construction (latest edition). The twenty-eight-day compressive strength of the concrete used shall be not less than the following:
Type of Concrete
Average Strength
(pounds per square inch)
Class P
6,500
Class A
5,500
Class B, B-1
5,000
Class C, C-1
4,500
(2) 
Curbs and/or combination curbs and gutters shall be constructed of Class B concrete, air-entrained (5,000 psi).
(3) 
Where drainage inlets are constructed, but curbs are not required, curbing must be provided at least 10 feet on each side of the inlet, set back one foot from the extension of the pavement edge.
(4) 
Open joints shall be provided every 10 feet. One-half-inch bituminous expansion joints shall be provided every 20 feet.
C. 
Bikeways. Gradients of bikepaths should generally not exceed a grade of 5%, except for short distances.
D. 
Sidewalks.
(1) 
Sidewalks shall be four inches thick except at points of vehicular crossing where they shall be at least six inches thick. At vehicular crossings, sidewalks shall be reinforced with welded wire fabric mesh or an equivalent.
(2) 
Concrete sidewalks shall be Class C concrete, having a twenty-eight-day compressive strength of 4,500 psi. Other paving materials may be permitted depending on the design of the development.
A. 
Water supply. Systems shall comply with all applicable public community water supply company, Township of Wall, NJDEP, and AWWA, with the strictest standards governing.
B. 
Fire hydrants.
(1) 
Size type, and installation of hydrants shall be in accordance with local practice, or shall conform to the American Water Works Association Standard for Dry Barrel Fire Hydrants (AWWA C-502). Hydrants shall have at least three outlets; one outlet shall be a pumper outlet and other outlets shall be at least two-and-one-half-inch nominal size. Roadway main connections should be not less than six inches in diameter. Hose threads on outlets shall conform to National Standard Dimensions. A valve shall be provided on connections between hydrants and roadway mains. All pipe, fittings, and appurtenances supplying fire hydrants shall be AWWA or ASTM approved.
(2) 
All fire hydrants shall conform to the color-code system as follows:
(a) 
Class A (1,000 gpm or greater and water mains of 10 and greater): green caps and bonnets.
(b) 
Class B (greater than 500 gpm but less than 1,000 gpm and water mains of at least eight but less than 10): orange caps and bonnets.
(c) 
Class C (500 gpm or less and water mains of at least six but less than eight): yellow caps and bonnets.
(d) 
Barrels: All fire hydrant barrels shall be painted red.
(e) 
Disabled hydrants: All disabled fire hydrants shall be painted black.
C. 
Sanitary sewers: system design and placement.
D. 
Stormwater facilities. Bicycle-safe drainage grates shall be used in the construction of all residential roadways.
E. 
Stormwater.
(1) 
Stormwater management: system design - pipe capacity, materials and placement.
(a) 
Materials used in the construction of storm sewers shall be constructed of reinforced concrete, ductile iron, corrugated aluminum, or corrugated steel. In normal circumstances, reinforced concrete pipe is preferred. Use of other types shall be justified by the designer and approved by the Engineer. Specifications referred to, such as ASA, ASTM, AWWA, etc., should be the latest revision.
(b) 
Reinforced concrete pipe:
[1] 
Circular reinforced concrete pipe and fittings shall meet the requirements of ASTM C-76.
[2] 
Elliptical reinforced concrete pipe shall meet the requirements of ASTM C-507.
[3] 
Joint design and joint material for circular pipe shall conform to ASTM C-443.
[4] 
Joints for elliptical pipe shall be bell and spigot or tongue and groove sealed with butyl, rubber tape, or external sealing bands conforming to ASTM C-877.
[5] 
All pipe shall be Class II unless a stronger pipe (i.e., higher class) is indicated to be necessary.
[6] 
The minimum depth of cover over the concrete pipe shall be as designated by the American Concrete Pipe Association, as follows:
Pipe Diameter
(inches)
ASTM Class Pipe
Minimum Cover
(surface to top of pipe)
(inches)
Pipe Diameter
(inches)
ASTM Class Pipe
Minimum Cover
(surface to top of pipe)
(inches)
III
17
III
15
12
IV
12
24
IV
6
V
7
V
6
III
16
III
10
15
IV
11
30
IV
6
V
7
V
6
III
16
36
III
6
18
IV
10
and
IV
6
V
6
above
(c) 
Ductile iron pipe shall be centrifugally cast in metal or sand-lined molds to ANSI A21.51-1976 (AWWA C151-76). The joints shall conform to AWWA C111. Pipe shall be furnished with flanges where connections to flange fittings are required. Pipe should be Class 50 (minimum). The outside of the pipe should be coated with a uniform thickness of hot applied coal tar coating and the inside lined cement in accordance with AWWA C104. Ductile iron pipe shall be installed with Class C, Ordinary Bedding.
(d) 
Corrugated aluminum pipe. Within the public right-of-way and where severe topographic conditions or the desire to minimize the destruction of trees and vegetation exists, corrugated aluminum pipe, pipe arch or helical corrugated pipe may be used. The material used shall comply with the Standard Specifications for Corrugated Aluminum Alloy Culvert and Under Drains AASHTO designation M196 or the Standard Specification for Aluminum Alloy Helical Pipe AASHTO designation M-211. The minimum thickness of the aluminum pipe to be used shall be:
[1] 
Less than 24 inches in diameter or equivalent: 0.75-inch (14-gauge);
[2] 
Twenty-four inches in diameter and less than 48 inches in diameter or equivalent: 0.105-inch (12-gauge);
[3] 
Forty-eight inches but less than 72 inches in diameter or equivalent: 0.135-inch (10-gauge); and
[4] 
Seventy-two inches in diameter or equivalent and larger: 0.164-inch (eight-gauge).
(e) 
Corrugated steel pipe may be used in place of corrugated aluminum and shall meet the requirements of AASHTO Specification M-36. Coupling bands and special sections shall also conform to AASHTO M-36. All corrugated steel pipe shall be bituminous coated in accordance with AASHTO M-190, Type A minimum.
(2) 
Stormwater management: system design inlets - catch basins, and manholes.
(a) 
Manholes shall be precast concrete, brick or concrete block coated with two coats of portland cement mortar.
(b) 
If precast manhole barrels and cones are used, they shall conform to ASTM Specification C-473 with round rubber gasket joints, conforming to ASTM Specification C-923. Maximum absorption shall be 8% in accordance with ASTM Specification C-478, Method A.
(c) 
If precast manholes are utilized, the top riser section shall terminate less than one foot below the finished grade and the manhole cover shall be flush with the finished grade.
(d) 
Manhole frames and covers shall be of cast iron conforming to ASTM Specification A48 Class 30 and be suitable for H-20 loading capacity. All manhole covers in rights-of-way or in remote areas shall be provided with a locking device. The letters "Year 20____." and the words "WALL STORM SEWER" shall be cast integrally in the cover.
(3) 
Stormwater management: detention and retention facilities.
(4) 
Detention components: principal outlets.
(5) 
Detention components: emergency spillways.
(6) 
Detention components: dams and embankments.
(a) 
All earth fill shall be free from brush, roots, and other organic material subject to decomposition.
(b) 
Cutoff trenches are to be excavated along the dam or embankment center line to impervious subsoil or bedrock.
(c) 
The fill material in all earth dams and embankments shall be compacted to at least 95% of the maximum density obtained from compaction tests performed by the appropriate method in ASTM D698.
A. 
Refuse.
B. 
Recyclables.
C. 
Miscellaneous.
A. 
General.
B. 
Residential.
C. 
Recreational.
D. 
Nonresidential.
A. 
Site protection.
B. 
Planting. If planted berms are used, the minimum top width shall be four feet, and the maximum side slope shall be 3:1.
(1) 
Planting specifications. Plant materials shall be sufficiently large and planted in such a fashion that a screen at least eight feet in height shall be produced within three growing seasons. All plantings shall be installed according to accepted American Nurserymen's Association standards.
(2) 
No buildings, structures, storage of materials, or parking shall be permitted within the buffer area; buffer areas shall be maintained and kept free of all debris, rubbish, weeds, and tall grass.
C. 
Plant selection.
(1) 
The plant species selected should be hardy for the particular climatic zone and specific conditions in which the plant is to be located.
(2) 
Plant material used should not be of the exotic variety requiring substantial maintenance or material highly subject to pollution, salt damage along highways and current insect disease manifestations.
D. 
Specifications.
(1) 
Plant size. The following sizes of trees and shrubs are the permitted minimums except as otherwise approved by the approving board:
(a) 
Street trees: two to 2 1/2 inches dbh.
(b) 
Screening plants: four to five feet tall.
(2) 
Minimum specifications for new plantings of trees and shrubs.
(a) 
All plant materials must conform to the horticulture standards as set forth by the American Association of Nurserymen.
(b) 
All trees shall be nursery grown, of substantially uniform size and shape, and have straight trunks.
(c) 
All plants shall be of a species suitable for U.S. Department of Agriculture Hardiness Zone 7.
(d) 
Planting holes must be a minimum of 12 inches larger in diameter and six inches deeper than the soil ball or root mass, excluding ground covers and backfilled with a planting mixture incorporating a minimum of 25% organic matter, by volume.
(e) 
Each tree planted in residential areas must be tagged with a durable label bearing the following information:
[1] 
Genus, species, variety and plant, patent number, if a patented tree;
[2] 
Cultural requirements including watering and fertilization.
(f) 
Trees shall be staked in the following manner:
[1] 
Two stakes shall be driven a minimum of two feet into undisturbed soil outside the planting hole.
[2] 
Stakes when driven must be 1/2 to 2/3 the height of the tree measured from ground level.
[3] 
Stakes shall be two inches diameter minimum at the thick end.
[4] 
Stakes shall be placed in line with prevailing winds.
[5] 
Stakes shall be attached to the tree with twelve-gauge galvanized wire covered with rubber or plastic hose. Where wire is likely to come in contact with the tree trunk, an alternate may be any of the commercially available materials designed for staking trees with the approval of the Township Engineer. The loop in contact with the tree shall be loose enough to permit growth and prevent girdling for two years but shall be tightly bound to the stake to prevent slipping.
(g) 
Wrapping. Each tree shall be wrapped with an expandable paper or cloth treated to last at least one year.
[1] 
This wrap shall extend from the ground level up the trunk to the first branches.
[2] 
This wrap to prevent sun scald shall be attached or fastened at each end with a material that will permit tree growth without girdling.
(h) 
Saucer ring of packed soil shall be placed around the finished planting hold of each tree.
[1] 
The saucer shall be a minimum of six inches higher than the finished grade.
[2] 
Saucers placed on slopes shall be level at the top and perpendicular to the tree trunk.
(i) 
Trees and shrubs must be planted only when the soil is frost free and friable.
(j) 
Plantings shall be watered regularly and in a manner appropriate for the specific plant species through the first growing season, and dead or dying plants shall be replaced by the applicant during the next planting season.
E. 
Ground covers.
(1) 
All planting beds must be covered and type of covering to be used noted on the landscape plan. Where mulches are used, a layer of black, four-mil polyethylene or its equivalent must be used to reduce weed growth. Minimum required depth of placement is four inches. An approved chemical preemergence, nonselective herbicide may be used in lieu of the polyethylene. The chemical to be used must be specified on the landscape plan and used according to directions.
(2) 
Ground covers are required in place of grass in small restricted areas such as tree and shrub planters.
(3) 
All planted beds surrounded by grass must be edged by a physical edging, in accordance with Township Standard Specifications, flush with the soil to permit mowing.
(4) 
Sod is to be used in place of seeding for more rapid establishment and effect, except for areas exceeding two acres. In any area exceeding two acres, at least two acres must be sodded, the location of which is to be determined by the Township Engineer.
(5) 
Ground cover areas and steep banks greater than 15% must be planted with an approved ground cover and an approved mulch.
(6) 
If wood chips are to be used as a mulch, they must follow Township Standard Specifications.
(7) 
All seed mixtures and sod types must meet the approval of the Township Engineer.
F. 
Protection of existing trees and shrubs.
(1) 
Trees designed to remain on the construction site are to be protected with a physical barrier in accordance with Township Standard Specifications. The barrier shall be installed before a tree removal permit will be granted and/or before any excavation or construction is begun.
(2) 
The grade of land located within six feet of a tree shall not be raised or lowered more than six inches unless compensated by welling or retaining methods herein described.
(3) 
Tree wells are to be constructed around each tree or group of trees before any grades are increased. Wells are to be constructed of uncemented stone, block or any other suitable material. This well should be a minimum of three feet in diameter for four inches or less caliper tree with the wall located 18 inches from the trunk with the construction starting on existing grade so as not to disturb roots with foundation construction. For trees of more than four inches caliper, there should be added one foot to the diameter of the well for each inch caliper over four inches as measured 12 inches above natural ground level.
(4) 
Retaining walls are to be constructed around each tree or group of trees immediately after the grade is lowered. This retaining wall is to be constructed of railroad ties, or any other suitable material subject to approval by the Township Engineer.
(5) 
Any cleaning within six feet of tree trunks must be done by hand. No equipment is to be over this area, and no building materials are to be attached against the tree or within the area of the barrier.
(6) 
No tree is to support any scaffolding, signs, temporary utility or any other device. Topsoil is to be stockpiled in an area at least eight feet from any tree designated to remain.
G. 
Paving.
H. 
Walls and fences.
I. 
Furnishings and appurtenances.