Subdivisions
Type of Concrete | Strength (pounds per square inch) |
|---|---|
Class A | 4,500 |
Class B | 3,500 |
Class C | 3,000 |
Class D | 2,500 |
Table 1 Green Infrastructure BMPs for Groundwater Recharge, Stormwater Runoff Quality, and/or Stormwater Runoff Quantity | ||||
|---|---|---|---|---|
Best Management Practice | Stormwater Runoff Quality TSS Removal Rate (percent) | Stormwater Runoff Quantity | Groundwater Recharge | Minimum Separation from Seasonal High Water Table (feet) |
Cistern | 0 | Yes | No | — |
Dry well(a) | 0 | No | Yes | 2 |
Grass swale | 50 or less | No | No | 2(e) 1(f) |
Green roof | 0 | Yes | No | — |
Manufactured treatment device(a)(g) | 50 or 80 | No | No | Dependent upon the device |
Pervious paving system(a) | 80 | Yes | Yes(b) No(c) | 2(b) 1(c) |
Small-scale bioretention basin(a) | 80 or 90 | Yes | Yes(b) No(c) | 2(b) 1(c) |
Small-scale infiltration basin(a) | 80 | Yes | Yes | 2 |
Small-scale sand filter | 80 | Yes | Yes | 2 |
Vegetative filter strip | 60-80 | No | No | — |
(Notes corresponding to annotations (a) through (g) are found following Table 3.) |
Table 2 Green Infrastructure BMPs for Stormwater Runoff Quantity (or for Groundwater Recharge and/or Stormwater Runoff Quality with a Waiver or Variance from N.J.A.C. 7:8-5.3) | ||||
|---|---|---|---|---|
Best Management Practice | Stormwater Runoff Quality TSS Removal Rate (percent) | Stormwater Runoff Quantity | Groundwater Recharge | Minimum Separation from Seasonal High Water Table (feet) |
Bioretention system | 80 or 90 | Yes | Yes(b) No(c) | 2(b) 1(c) |
Infiltration basin | 80 | Yes | Yes | 2 |
Sand filter(b) | 80 | Yes | Yes | 2 |
Standard constructed wetland | 90 | Yes | No | N/A |
Wet pond(d) | 50-90 | Yes | No | N/A |
(Notes corresponding to annotations (b) through (d) are found following Table 3.) |
Table 3 BMPs for Groundwater Recharge, Stormwater Runoff Quality, and/or Stormwater Runoff Quantity only with a Waiver or Variance from N.J.A.C. 7:8-5.3 | ||||
|---|---|---|---|---|
Best Management Practice | Stormwater Runoff Quality TSS Removal Rate (percent) | Stormwater Runoff Quantity | Groundwater Recharge | Minimum Separation from Seasonal High Water Table (feet) |
Blue roof | 0 | Yes | No | N/A |
Extended detention basin | 40-60 | Yes | No | 1 |
Manufactured treatment device(h) | 50 or 80 | No | No | Dependent upon the device |
Sand filter(c) | 80 | Yes | No | 1 |
Subsurface gravel wetland | 90 | No | No | 1 |
Wet pond | 50-90 | Yes | No | N/A |
Notes to Tables 1, 2, and 3: | |
|---|---|
(a) | Subject to the applicable contributory drainage area limitation specified at Subsection F(4)(o)[2]; |
(b) | Designed to infiltrate into the subsoil; |
(c) | Designed with underdrains; |
(d) | Designed to maintain at least a ten-foot-wide area of native vegetation along at least 50% of the shoreline and to include a stormwater runoff retention component designed to capture stormwater runoff for beneficial reuse, such as irrigation; |
(e) | Designed with a slope of less than 2%; |
(f) | Designed with a slope of equal to or greater than 2%; |
(g) | Manufactured treatment devices that meet the definition of "green infrastructure" at Subsection F(2); |
(h) | Manufactured treatment devices that do not meet the definition of "green infrastructure" at Subsection F(2). |
Best Management Practice | Maximum Contributory Drainage Area |
|---|---|
Dry well | 1 acre |
Manufactured treatment device | 2.5 acres |
Pervious pavement systems | Area of additional inflow cannot exceed three times the area occupied by the BMP |
Small-scale bioretention systems | 2.5 acres |
Small-scale infiltration basin | 2.5 acres |
Small-scale sand filter | 2.5 acres |
Table 4 - Water Quality Design Storm Distribution | |||||
|---|---|---|---|---|---|
Time (minutes) | Cumulative Rainfall (inches) | Time (minutes) | Cumulative Rainfall (inches) | Time (minutes) | Cumulative Rainfall (inches) |
1 | 0.00166 | 41 | 0.1728 | 81 | 1.0906 |
2 | 0.00332 | 42 | 0.1796 | 82 | 1.0972 |
3 | 0.00498 | 43 | 0.1864 | 83 | 1.1038 |
4 | 0.00664 | 44 | 0.1932 | 84 | 1.1104 |
5 | 0.00830 | 45 | 0.2000 | 85 | 1.1170 |
6 | 0.00996 | 46 | 0.2117 | 86 | 1.1236 |
7 | 0.01162 | 47 | 0.2233 | 87 | 1.1302 |
8 | 0.01328 | 48 | 0.2350 | 88 | 1.1368 |
9 | 0.01494 | 49 | 0.2466 | 89 | 1.1434 |
10 | 0.01660 | 50 | 0.2583 | 90 | 1.1500 |
11 | 0.01828 | 51 | 0.2783 | 91 | 1.1550 |
12 | 0.01996 | 52 | 0.2983 | 92 | 1.1600 |
13 | 0.02164 | 53 | 0.3183 | 93 | 1.1650 |
14 | 0.02332 | 54 | 0.3383 | 94 | 1.1700 |
15 | 0.02500 | 55 | 0.3583 | 95 | 1.1750 |
16 | 0.03000 | 56 | 0.4116 | 96 | 1.1800 |
17 | 0.03500 | 57 | 0.4650 | 97 | 1.1850 |
18 | 0.04000 | 58 | 0.5183 | 98 | 1.1900 |
19 | 0.04500 | 59 | 0.5717 | 99 | 1.1950 |
20 | 0.05000 | 60 | 0.6250 | 100 | 1.2000 |
21 | 0.05500 | 61 | 0.6783 | 101 | 1.2050 |
22 | 0.06000 | 62 | 0.7317 | 102 | 1.2100 |
23 | 0.06500 | 63 | 0.7850 | 103 | 1.2150 |
24 | 0.07000 | 64 | 0.8384 | 104 | 1.2200 |
25 | 0.07500 | 65 | 0.8917 | 105 | 1.2250 |
26 | 0.08000 | 66 | 0.9117 | 106 | 1.2267 |
27 | 0.08500 | 67 | 0.9317 | 107 | 1.2284 |
28 | 0.09000 | 68 | 0.9517 | 108 | 1.2300 |
29 | 0.09500 | 69 | 0.9717 | 109 | 1.2317 |
30 | 0.10000 | 70 | 0.9917 | 110 | 1.2334 |
31 | 0.10660 | 71 | 1.0034 | 111 | 1.2351 |
32 | 0.11320 | 72 | 1.0150 | 112 | 1.2367 |
33 | 0.11980 | 73 | 1.0267 | 113 | 1.2384 |
34 | 0.12640 | 74 | 1.0383 | 114 | 1.2400 |
35 | 0.13300 | 75 | 1.0500 | 115 | 1.2417 |
36 | 0.13960 | 76 | 1.0568 | 116 | 1.2434 |
37 | 0.14620 | 77 | 1.0636 | 117 | 1.2450 |
38 | 0.15280 | 78 | 1.0704 | 118 | 1.2467 |
39 | 0.15940 | 79 | 1.0772 | 119 | 1.2483 |
40 | 0.16600 | 80 | 1.0840 | 120 | 1.2500 |
R = A + B - (A x B)/100 | ||
Where | ||
R | = | Total TSS percent load removal from application of both BMPs; and |
A | = | The TSS percent removal rate applicable to the first BMP. |
B | = | The TSS percent removal rate applicable to the second BMP. |
Tree Replacement Requirements Table | ||
|---|---|---|
Category | Tree Removed (DBH) | Tree Replacement Criteria (See Appendix A[2]) |
1 | DBH of 2.5 inches (for street trees) or 6 inches (for non-street trees) to 12.99 inches | Replant 1 tree with a minimum tree caliper of 1.5 inches for each tree removed |
2 | DBH of 13 inches to 22.99 inches | Replant 2 trees with minimum tree calipers of 1.5 inches for each tree removed |
3 | DBH of 23 inches to 32.99 inches | Replant 3 trees with minimum tree calipers of 1.5 inches for each tree removed |
4 | DBH of 33 inches or greater | Replant 4 trees with minimum tree calipers of 1.5 inches for each tree removed |
shall be endorsed as the preliminary plat, and the original reproducible thereof shall be provided to the Planning Board by the applicant. Said original shall be signed by the Chairman and Secretary or Assistant Secretary of the Planning Board after they receive certification from the Administrative Officer that all conditions of approval have been satisfied. |
shall be endorsed on the plat, and the original reproducible thereof shall be provided to the Planning Board by the applicant. Said original shall be signed by the Chairman and Secretary or Assistant Secretary of the Planning Board and the Borough Engineer (as to the Map Filing Law certification) after they receive a certification from the Administrative Officer that all conditions of approval have been satisfied. |
Subdivisions
Type of Concrete | Strength (pounds per square inch) |
|---|---|
Class A | 4,500 |
Class B | 3,500 |
Class C | 3,000 |
Class D | 2,500 |
Table 1 Green Infrastructure BMPs for Groundwater Recharge, Stormwater Runoff Quality, and/or Stormwater Runoff Quantity | ||||
|---|---|---|---|---|
Best Management Practice | Stormwater Runoff Quality TSS Removal Rate (percent) | Stormwater Runoff Quantity | Groundwater Recharge | Minimum Separation from Seasonal High Water Table (feet) |
Cistern | 0 | Yes | No | — |
Dry well(a) | 0 | No | Yes | 2 |
Grass swale | 50 or less | No | No | 2(e) 1(f) |
Green roof | 0 | Yes | No | — |
Manufactured treatment device(a)(g) | 50 or 80 | No | No | Dependent upon the device |
Pervious paving system(a) | 80 | Yes | Yes(b) No(c) | 2(b) 1(c) |
Small-scale bioretention basin(a) | 80 or 90 | Yes | Yes(b) No(c) | 2(b) 1(c) |
Small-scale infiltration basin(a) | 80 | Yes | Yes | 2 |
Small-scale sand filter | 80 | Yes | Yes | 2 |
Vegetative filter strip | 60-80 | No | No | — |
(Notes corresponding to annotations (a) through (g) are found following Table 3.) |
Table 2 Green Infrastructure BMPs for Stormwater Runoff Quantity (or for Groundwater Recharge and/or Stormwater Runoff Quality with a Waiver or Variance from N.J.A.C. 7:8-5.3) | ||||
|---|---|---|---|---|
Best Management Practice | Stormwater Runoff Quality TSS Removal Rate (percent) | Stormwater Runoff Quantity | Groundwater Recharge | Minimum Separation from Seasonal High Water Table (feet) |
Bioretention system | 80 or 90 | Yes | Yes(b) No(c) | 2(b) 1(c) |
Infiltration basin | 80 | Yes | Yes | 2 |
Sand filter(b) | 80 | Yes | Yes | 2 |
Standard constructed wetland | 90 | Yes | No | N/A |
Wet pond(d) | 50-90 | Yes | No | N/A |
(Notes corresponding to annotations (b) through (d) are found following Table 3.) |
Table 3 BMPs for Groundwater Recharge, Stormwater Runoff Quality, and/or Stormwater Runoff Quantity only with a Waiver or Variance from N.J.A.C. 7:8-5.3 | ||||
|---|---|---|---|---|
Best Management Practice | Stormwater Runoff Quality TSS Removal Rate (percent) | Stormwater Runoff Quantity | Groundwater Recharge | Minimum Separation from Seasonal High Water Table (feet) |
Blue roof | 0 | Yes | No | N/A |
Extended detention basin | 40-60 | Yes | No | 1 |
Manufactured treatment device(h) | 50 or 80 | No | No | Dependent upon the device |
Sand filter(c) | 80 | Yes | No | 1 |
Subsurface gravel wetland | 90 | No | No | 1 |
Wet pond | 50-90 | Yes | No | N/A |
Notes to Tables 1, 2, and 3: | |
|---|---|
(a) | Subject to the applicable contributory drainage area limitation specified at Subsection F(4)(o)[2]; |
(b) | Designed to infiltrate into the subsoil; |
(c) | Designed with underdrains; |
(d) | Designed to maintain at least a ten-foot-wide area of native vegetation along at least 50% of the shoreline and to include a stormwater runoff retention component designed to capture stormwater runoff for beneficial reuse, such as irrigation; |
(e) | Designed with a slope of less than 2%; |
(f) | Designed with a slope of equal to or greater than 2%; |
(g) | Manufactured treatment devices that meet the definition of "green infrastructure" at Subsection F(2); |
(h) | Manufactured treatment devices that do not meet the definition of "green infrastructure" at Subsection F(2). |
Best Management Practice | Maximum Contributory Drainage Area |
|---|---|
Dry well | 1 acre |
Manufactured treatment device | 2.5 acres |
Pervious pavement systems | Area of additional inflow cannot exceed three times the area occupied by the BMP |
Small-scale bioretention systems | 2.5 acres |
Small-scale infiltration basin | 2.5 acres |
Small-scale sand filter | 2.5 acres |
Table 4 - Water Quality Design Storm Distribution | |||||
|---|---|---|---|---|---|
Time (minutes) | Cumulative Rainfall (inches) | Time (minutes) | Cumulative Rainfall (inches) | Time (minutes) | Cumulative Rainfall (inches) |
1 | 0.00166 | 41 | 0.1728 | 81 | 1.0906 |
2 | 0.00332 | 42 | 0.1796 | 82 | 1.0972 |
3 | 0.00498 | 43 | 0.1864 | 83 | 1.1038 |
4 | 0.00664 | 44 | 0.1932 | 84 | 1.1104 |
5 | 0.00830 | 45 | 0.2000 | 85 | 1.1170 |
6 | 0.00996 | 46 | 0.2117 | 86 | 1.1236 |
7 | 0.01162 | 47 | 0.2233 | 87 | 1.1302 |
8 | 0.01328 | 48 | 0.2350 | 88 | 1.1368 |
9 | 0.01494 | 49 | 0.2466 | 89 | 1.1434 |
10 | 0.01660 | 50 | 0.2583 | 90 | 1.1500 |
11 | 0.01828 | 51 | 0.2783 | 91 | 1.1550 |
12 | 0.01996 | 52 | 0.2983 | 92 | 1.1600 |
13 | 0.02164 | 53 | 0.3183 | 93 | 1.1650 |
14 | 0.02332 | 54 | 0.3383 | 94 | 1.1700 |
15 | 0.02500 | 55 | 0.3583 | 95 | 1.1750 |
16 | 0.03000 | 56 | 0.4116 | 96 | 1.1800 |
17 | 0.03500 | 57 | 0.4650 | 97 | 1.1850 |
18 | 0.04000 | 58 | 0.5183 | 98 | 1.1900 |
19 | 0.04500 | 59 | 0.5717 | 99 | 1.1950 |
20 | 0.05000 | 60 | 0.6250 | 100 | 1.2000 |
21 | 0.05500 | 61 | 0.6783 | 101 | 1.2050 |
22 | 0.06000 | 62 | 0.7317 | 102 | 1.2100 |
23 | 0.06500 | 63 | 0.7850 | 103 | 1.2150 |
24 | 0.07000 | 64 | 0.8384 | 104 | 1.2200 |
25 | 0.07500 | 65 | 0.8917 | 105 | 1.2250 |
26 | 0.08000 | 66 | 0.9117 | 106 | 1.2267 |
27 | 0.08500 | 67 | 0.9317 | 107 | 1.2284 |
28 | 0.09000 | 68 | 0.9517 | 108 | 1.2300 |
29 | 0.09500 | 69 | 0.9717 | 109 | 1.2317 |
30 | 0.10000 | 70 | 0.9917 | 110 | 1.2334 |
31 | 0.10660 | 71 | 1.0034 | 111 | 1.2351 |
32 | 0.11320 | 72 | 1.0150 | 112 | 1.2367 |
33 | 0.11980 | 73 | 1.0267 | 113 | 1.2384 |
34 | 0.12640 | 74 | 1.0383 | 114 | 1.2400 |
35 | 0.13300 | 75 | 1.0500 | 115 | 1.2417 |
36 | 0.13960 | 76 | 1.0568 | 116 | 1.2434 |
37 | 0.14620 | 77 | 1.0636 | 117 | 1.2450 |
38 | 0.15280 | 78 | 1.0704 | 118 | 1.2467 |
39 | 0.15940 | 79 | 1.0772 | 119 | 1.2483 |
40 | 0.16600 | 80 | 1.0840 | 120 | 1.2500 |
R = A + B - (A x B)/100 | ||
Where | ||
R | = | Total TSS percent load removal from application of both BMPs; and |
A | = | The TSS percent removal rate applicable to the first BMP. |
B | = | The TSS percent removal rate applicable to the second BMP. |
Tree Replacement Requirements Table | ||
|---|---|---|
Category | Tree Removed (DBH) | Tree Replacement Criteria (See Appendix A[2]) |
1 | DBH of 2.5 inches (for street trees) or 6 inches (for non-street trees) to 12.99 inches | Replant 1 tree with a minimum tree caliper of 1.5 inches for each tree removed |
2 | DBH of 13 inches to 22.99 inches | Replant 2 trees with minimum tree calipers of 1.5 inches for each tree removed |
3 | DBH of 23 inches to 32.99 inches | Replant 3 trees with minimum tree calipers of 1.5 inches for each tree removed |
4 | DBH of 33 inches or greater | Replant 4 trees with minimum tree calipers of 1.5 inches for each tree removed |
shall be endorsed as the preliminary plat, and the original reproducible thereof shall be provided to the Planning Board by the applicant. Said original shall be signed by the Chairman and Secretary or Assistant Secretary of the Planning Board after they receive certification from the Administrative Officer that all conditions of approval have been satisfied. |
shall be endorsed on the plat, and the original reproducible thereof shall be provided to the Planning Board by the applicant. Said original shall be signed by the Chairman and Secretary or Assistant Secretary of the Planning Board and the Borough Engineer (as to the Map Filing Law certification) after they receive a certification from the Administrative Officer that all conditions of approval have been satisfied. |