Table 1: Water Quality Design Storm Distribution1 | ||||
---|---|---|---|---|
Time (minutes) | Cumulative Rainfall (inches) | Time (minutes) | Cumulative Rainfall (inches) | |
0 | 0.0000 | 65 | 0.8917 | |
5 | 0.0083 | 70 | 0.9917 | |
10 | 0.0166 | 75 | 1.0500 | |
15 | 0.0250 | 80 | 1.0840 | |
20 | 0.0500 | 85 | 1.1170 | |
25 | 0.0750 | 90 | 1.1500 | |
30 | 0.1000 | 95 | 1.1750 | |
35 | 0.1330 | 100 | 1.2000 | |
40 | 0.1660 | 105 | 1.2250 | |
45 | 0.2000 | 110 | 1.2334 | |
50 | 0.2583 | 115 | 1.2417 | |
55 | 0.3583 | 120 | 1.2500 | |
60 | 0.6250 |
1 | Source: N.J.A.C. 7:8-5.5(a). |
R = A + B - (A x B)/100 |
Where: | ||||
---|---|---|---|---|
R | = | Total TSS percent load removal from application of both BMPs; | ||
A | = | The TSS percent removal rate applicable to the first BMP; and | ||
B | = | The TSS percent removal rate applicable to the second BMP. |
Table 2: Pollutant Removal Rates for BMPs1 | |||
---|---|---|---|
Best Management Practice | TSS Percent Removal Rate | Total Phosphorus Percent Removal Rate | Total Nitrogen Percent Removal Rate |
Bioretention systems | 90 | 60 | 30 |
Constructed stormwater wetland | 90 | 50 | 30 |
Extended detention basin | 40 to 60 (final rate based upon detention time; see New Jersey BMP Manual, Ch. 9) | 20 | 20 |
Infiltration basin | 80 | 60 | 50 |
Manufactured treatment device | Pollutant removal rates as certified by NJDEP; see § 176-59C | Pollutant removal rates as certified by NJDEP; see § 176-59C | Pollutant removal rates as certified by NJDEP; see § 176-59C |
Pervious paving systems | 80 (porous paving) | 60 | 50 |
80 (permeable pavers with storage bed) | |||
0 - volume reduction only (permeable pavers without storage bed) | 0 - volume reduction only (permeable pavers without storage bed) | 0 - volume reduction only (permeable pavers without storage bed) | |
Sand filter | 80 | 50 | 35 |
Vegetative filter strip (for filter strips with multiple vegetated covers, the final TSS removal rate should be based upon a weighted average of the adopted rates shown in Table 2, based upon the relative flow lengths through each cover type) | 60 (turf grass) | 30 | 30 |
70 (native grasses, meadow and planted woods) | |||
80 (indigenous woods) | |||
Wet pond/retention basin | 50 to 90 (final rate based upon pool volume and detention time; see NJ BMP Manual) | 50 | 30 |
1 | Source: 7:8-5.5(c) and New Jersey BMP Manual Chapter 4. |
Fire Hazard Class | Vegetation Type | |
---|---|---|
Low | Atlantic white cedar hardwood swamps | |
Moderate | Non-pine barrens forest prescribed burn areas | |
High | Pine barrens forest, including mature forms of pine, pine-oak or oak-pine | |
Extreme | Immature or dwarf forms of pine-oak or oak-pine; all classes of pine-scrub oak and pine-lowland |
Object | Distance (from tree) (feet) | |
---|---|---|
Fire hydrant | 8 | |
Light pole | 25 | |
Street/stop/directional signs | 25 | |
Street corner | 40 |
Pitch pine | Shortleaf pine | Blackjack oak | |
Southern red oak | White oak | Chestnut oak | |
Scrub oak | Post oak | Trident red maple | |
Scarlet oak | Black huckleberry | Black chokeberry | |
Black gum | Red chokeberry | Inkberry | |
Shadbush | Hayberry | Arrowwood | |
Winterberry | Sweet pepperbush | Sheep laurel | |
Sandmyrtle | Dangleberry | Lowbush blueberry | |
Virginia pine | American holly | Atlantic white cedar | |
Mountain laurel | Gray birch | Sweetbay magnolia | |
Red cedar | Sassafras | Teaberry | |
Swamp leucothoe | Staggerbush | Dwarf huckleberry | |
Trailing arbutus | Bearberry | Black highbush blueberry | |
Cranberry | Swamp azalea | ||
Rhododendron maximum | Black oak |
Time Period | Options | |
---|---|---|
0 to 6 months | Mulch | |
6 to 12 months | Oats, winter rye | |
1 to 2 years | Annual rye, perennial rye, winter rye | |
2 or more years | Fescue with mixture of perennial rye |
Area Classification | ||||||
---|---|---|---|---|---|---|
Commercial | Intermediate | Residential | ||||
Street Hierarchy | Lux | Footcandles | Lux | Footcandles | Lux | Footcandles |
Collector | 13 | 1.2 | 10 | 0.9 | 6 | 0.6 |
Minor-residential subcollector | 10 | 0.9 | 6 | 0.6 | 4 | 0.4 |
Local | 6 | 0.6 | 4 | 0.4 | 4 | 0.4 |
Parking Illumination (Open Parking Facilities) | ||||||
---|---|---|---|---|---|---|
Illumination Objectives | ||||||
Level of Activity | Vehicular Traffic | Pedestrian Safety | Pedestrian Security | |||
Lux | Footcandles | Lux | Footcandles | Lux | Footcandles | |
Low | 5 | 0.5 | 2 | 0.2 | 9 | 0.8 |
Medium | 11 | 1 | 6 | 0.6 | 22 | 2 |
High | 22 | 2 | 10 | 0.9 | 43 | 4 |
Pedestrianway Illumination | |||||||
---|---|---|---|---|---|---|---|
Average Levels for Special Pedestrian Security | |||||||
Minimum Average Level | Mounting Heights 3 to 5 Meters (9 to 15 feet) | Mounting Heights 5 to 10 Meters (15 to 30 feet) | |||||
Walkways and Bikeway Classification | Lux | Footcandles | Lux | Footcandles | Lux | Footcandles | |
Sidewalks (roadside) and Type A bikeways | |||||||
Commercial | 10 | 0.9 | 22 | 2.0 | 43 | 4.0 | |
Intermediate | 6 | 0.6 | 11 | 1.0 | 22 | 2.0 | |
Residential | 2 | 0.2 | 4 | 0.4 | 9 | 0.8 | |
Walkways distant from roadways and Type B bikeways | |||||||
Park walkways and bikeways | 5 | 0.5 | 6 | 0.6 | 11 | 1.0 | |
Pedestrian tunnels | 43 | 4.0 | 54 | 5.0 | — | — | |
Pedestrian overpasses | 3 | 0.3 | 4 | 0.4 | — | — | |
Pedestrian stairways | 6 | 0.6 | 9 | 0.8 | — | — |
Type A Bikeway: A strip within or adjacent to a public roadway or shoulder, used for bicycle travel. | |
Type B Bikeway: An improved strip identified for public bicycle travel and located away from a roadway or its adjacent sidewalk system. | |
Activity Level: | |
High: Major cultural or civic events and major regional shopping centers. | |
Medium: Fast-food facilities, area shopping centers, hospital parking areas, transportation parking areas, cultural, civic or recreational events, and residential complex parking. | |
Low: Local merchant parking, industrial employee parking, educational facility parking. |
Lot Frontage | Minimum Separation (feet) | |
---|---|---|
Less than 150 feet | 60 | |
Greater than 150 feet | 100 |
Use | Required Number of Off-Street Spaces | ||
---|---|---|---|
Assembly operation | 1 per 800 square feet of GFA | ||
Automotive service station | 4 per bay and work area | ||
Bar | 1 per 2 seats | ||
Banks, savings and loan | 1 per 300 square feet of GFA | ||
Boardinghouse | 1 per boarder | ||
Bowling alley | 4 per alley | ||
Car wash | 1 per employee; plus 1 separate space for each waxing, upholstery cleaning or similar specialized service area; plus Queuing capacity for a minimum of 12 vehicles for each access lane to a mechanized car wash entrance; see § 176-104K(6) | ||
Churches/synagogue | 1 per 3 seats | ||
Church rectory/parsonage | 3 per residence on church site | ||
Hospital, philanthropic clinic, residential health care facility, nursing home and convalescent center | 1 1/2 for every bed | ||
Hotel/motel | 1 per guest room, plus 10 per 1,000 square feet GFA | ||
Industrial | 1 per 800 square feet GFA | ||
Library | 1 per 300 square feet GFA | ||
Manufacturing | 1 per 800 square feet GFA | ||
Medical/dental offices | 6 per 1,000 square feet GFA | ||
Nightclub | 1 per 3 seats | ||
Professional and business offices | 4 per 1,000 square feet GFA | ||
Receiving | 1 per 1,000 square feet GFA | ||
Recreation, indoor | 3 per 1,000 square feet of GFA plus 1 space per 3 spectator seats | ||
Recreation, outdoor | 1 per 2,000 square feet of field area | ||
Research/laboratory | 1 per 1,000 square feet GFA | ||
Restaurant | 1 per 3 seats | ||
Fast-food restaurant | 1 per 30 square feet GFA, plus 1 for each employee on the largest shift | ||
Retail store | 1 per 200 square feet GFA | ||
Schools (day care, nursery) | Not less than 1 per teacher and staff member, plus 2 per 1,000 square feet of GFA | ||
Schools (elementary)[2] | 2 for each classroom, but not less than 1 for each teacher and staff member | ||
Schools (intermediate) | 1 1/2 for each classroom, but not less than 1 for each teacher and staff member | ||
Schools (secondary) | 2 1/2 for each classroom, but not less than 2 for each teacher and staff member | ||
Schools (junior college, college, university, trade or technical) | Not less than 1 per teacher and staff member, plus 1 per 4 students | ||
Shopping center: | |||
0 to 400,000 square feet | 4 per 1,000 square feet GLA | ||
400,000 square feet and larger | 5 per 1,000 square feet GLA | ||
Storage centers | 1 per 5,000 square feet GLA | ||
Theaters, community centers and other places of assembly | 1 per 3 seats or 1 per 200 square feet GFA, whichever is greater | ||
Warehouse | 1 per 5,000 square feet GFA |
GFA = Gross floor area | |
GLA = Gross lease area |
Total Number of Parking Spaces | Number of Required Handicapped Spaces | |
---|---|---|
1 to 25 | 1 | |
26 to 50 | 2 | |
51 to 75 | 3 | |
76 to 100 | 4 | |
101 to 150 | 5 | |
151 to 200 | 6 | |
201 to 300 | 7 | |
301 to 400 | 8 | |
401 to 500 | 9 | |
501 to 1,000 | 2% of total | |
1,000+ | 20, plus 1 for each 100 over 1,000 |
Angle of Parking (degree) | One-Way Aisle (feet) | Two-Way Aisle (feet) | |
---|---|---|---|
90° | 24 | 24 | |
60° | 18 | 24 | |
45° | 13 | 24 |
Total Number of Parking Spaces | Length of Maneuver-Free Drive (feet) | |
---|---|---|
Less than 40 | 20 | |
40 to 99 | 40 | |
100 to 250 | 60 | |
250 or greater | 60, plus 20 feet for each additional 500 spaces or part thereof |
Loading Space | Combined Apron and Aisle Length | |||
---|---|---|---|---|
Length (feet) | Width (feet) | 90° (feet) | 60° (feet) | |
60 | 10 | 72 | 66 | |
60 | 12 | 63 | 57 | |
60 | 14 | 60 | 54 |
Use | Square footage at which one loading berth is required | Square footage at which a second and each additional loading berth is required | |
---|---|---|---|
Manufacturing and warehousing | 0 to 40,000 | Over 40,000 | |
Commercial (wholesale) | 0 to 40,000 | Over 40,000 | |
Commercial (retail) | 0 to 20,000 | Over 20,000 | |
Service establishment | 0 to 40,000 | Over 40,000 | |
Undertakers/funeral homes | 0 to 40,000 | Over 40,000 | |
Restaurants | 0 to 25,000 | Over 25,000 | |
Office/bank | 0 to 100,000 | Over 100,000 | |
Hotel | 0 to 100,000 | Over 100,000 | |
School | 0 to 100,000 | Over 100,000 | |
Hospital/nursing home | 0 to 100,000 | Over 100,000 | |
Place of public assembly | 0 to 100,000 | Over 100,000 |
Type of Facility | Population | Minimum Space Standard | Service Area Radius | |
---|---|---|---|---|
Basketball courts | 1 per 1,000 | Court dimension range from 60 x 80 feet to 70 x 104 feet | 1/2 mile | |
Tennis court | 1 per 1,000 | Court dimension range from 60 x 120 feet single court; 45 x 120 feet additional adjoining courts | 1 mile | |
Multipurpose paved area | 1 per 2,000 | 0.50 acre (including basketball and tennis courts) | 1/2 mile | |
Passive area (sitting) | 1 per 2,000 | 0.50 acre | 1/2 mile | |
Senior citizen (over 55) (bocce, shuffleboard horseshoe) | 1 per 1,000 | 0.50 acre | 1/4 mile | |
Preschool playground | 1 per 2,000 | 0.25 acre | 1/4 mile | |
Advanced playground | 1 per 2,000 | 0.25 acre | 1/2 mile | |
Multipurpose turf area | 1 per 2,000 | 0.50 acre | 1 mile | |
Football/soccer fields | 1 per 6,000 | 2.8 acres 325-foot outfield | 1 mile | |
Baseball youth | 1 per 6,000 | 1.0 acre | 1 mile | |
Softball 60-foot diamond | 200-foot outfield | |||
Picnic area | 1 per 6,000 | 8 eight-foot tables | 1 mile |
Type of Street | Right-of-Way (feet) | Minimum Cartway Width (feet) | |
---|---|---|---|
Arterial | 80 | 60 | |
Collector | 60 | 40 | |
Minor | 50 | 30 | |
Cul-de-sac | 50 | 30 |