Drainage Report and Supplement 82625

F. | IMPERVIOUS AREAS \ 69,978 SF. | GRASS, GOOD (HSG C) \ 22,575 SF. | SAND RIDING RING \ 16,145 SF. GRAVEL SURFACE \ . 143,609 SF, | TOTAL AREA \ iv \ | lh INDOOR RIDING RING \ \! 4 \ \ \ ' PROPOSED 12° PVC LEADER 45 FT @ 2.2% SLOPE SHALLOW FLOW 0.3 MINUTES ASPHALT PARKING LOT PARKING LOT 7 UPPER LEVEL OND BLOCK 152.02 LOTS 176, 179 &186 L 150,302 SQ.FT. LY 3.450 AC. ox Y os 7 PROPOSED 6” PVC we i . | x : : @° [SEGMENT D5-D6 | pbk pnd --— SE? I ” 107 FT @ 1.0% SLOPE EXIST 6” PVC LEADER DRAIN PIPE | SHALLOW FLOW 1. MINUTES N50° 58' 00"W T 15.00" | | \ \ \ \ BLOCK 152.02 \ LOT 132 \ \ ©. WW ASPHALT | Vv 77 FT @ 1.3% SLOPE SHALLOW FLOW USDA SOILS DATA SOIL TYPE: BouB SEGMENT D6-D7 Na | 0.7 MINUTES \ i 0% TO 8% SLOPES Vv aofhP270 DEPTH TO WATER TABLS > 80 INCHES DEPTH TO BEDROCK: > 72 INCHES. | | | Vo | v4 49100 v | Y SEGMENT D7-D8 27 FT @ 3.7% SLOPE SHALLOW FLOW 0.1 MINUTES INLET MH | Paw %tetos | I ROAD — 16 FT @ 12.2% SLOPE SHALLOW FLOW 52 FT @ 5.8% SLOPE GR. 506.55 RIM 593.64 BOONTON-URBAN LAND-BOONTON SUBSTRATUM COMPLES, OFFICE BUILDING PARKING LOT | SEGMENT D8-D9 Lo TOTAL STUDY AREA: 175,847 S.F. os 0.1 MINUTES \ ~ 24 FT @ 4.2% SLOPE ve aa Nie SHALLOW FLOW ~ amen = BELGIAN BLOCK Va CURB 4 . ’ a 2 Woy 7 GRAVEL xX wv tea GRAVEL a | / 02a MINUTES mi peive 9 pRIVE \e SEGMENT DI2-D13 \ / mi oN“ | \ \ a ; DIV SEGMENT D9-D10 ~J\ xb 17 FT @ 11.7% SLOPE FE SHALLOW FLOW, “8! 0.1 MINUTES . 15" ROP > INS DRIVE 888 shea yons ’ on SHALLOW FLOW —t | —__ ==a===>==>5 Bx = Lf \ \ das pe = \ \ NICHOLAS AVENU 4 15" ROP FL_o2minutes f= = 35 == SSS iE a SS Bee 3 \ \ So’ RIGHT GF wav FER Tax A ~ Gib Gnnnerx—— <7 y ‘f | | \ Y FA AFP Me LOCATION o SS SS es ; foo { \ ams. \ ° = ileal no meet, Top 478.39 BLOCK 152.26 RIM 481-31 INV. OUT 476.97, 7 LOTS BLOCK 152.26 | BLOCK 152.26 BLOCK 152.26 BLOCK 152.26 BLOCK 152.26 BLOCK 152.26 BLOCK 152.26 lore LoT 4 LOT 3 LOT 10 tors LOT 8 LOT7 FRAME DWELLING FRAME DWELLING FRAME DWELLING FRAME DWELLING FRAME DWELLING FRAME DWELLING | AREA = 3,364 SQ. FT. FRAME DWELLING FRAME DWELLING CANNON STREET <S0’ RIGHT OF WAY PER TAX MAP) GRAPHIC SCALE SE — ——— 0 10 20 30 60 SCALE: 1"=30’ 120 SEGMENT DI1-D12 SHALLOW FLOW PROPOSED ONE WAY DRIVEWAY 8” COMPACTED DGA, 12’ WIDE [ASSOC., INC. 2204 MORRIS AVENUE, SUITE DATED DECEMBER 12, 2024 FT @ 28.6% SLOPE 0.0 MINUTES \ i BRIDLE [PATH BLOCK

ENT DI1-D12 SHALLOW FLOW PROPOSED ONE WAY DRIVEWAY 8” COMPACTED DGA, 12’ WIDE [ASSOC., INC. 2204 MORRIS AVENUE, SUITE DATED DECEMBER 12, 2024 FT @ 28.6% SLOPE 0.0 MINUTES \ i BRIDLE [PATH BLOCK 152.26 LOT2 BLOCK 152.26 LOT1 FRAME DWELLING RAFERENCES BOUNDARY SURVEY PREPARED FOR LOTS 176, 179, 186, BLOCK 152.02 SITUATED IN THE TOWNSHIP OF WEST ORANGE, ESSEX CQUNTY, NEW JERSEY BY FRENCH & PARRELLO ABSOCIATES, 1800 ROUTE 34, SUITE 101, JHE HORIZONTAL DATUM IS NAD 1983. ALL, NEW JERSEY 07719 DATED 8-2-2023 i ADDITIONAL TOPOGRAPHY AND TREE LOCATIONS WERE PROVIDED BY WM. DiMARZO & SON 103, PO BOX 1717, UNION, NEW JERSEY OFFSITE DRAINAGE NOT INDICATED ON TOWNSHIP RECORDS. JE REFERENCED SURVEYS WAS TAKEN FROM V4 CANNON STREET WA 4 <S0’ RIGHT OF WAY PER TAX NN, . ‘508.76 — — ™~ — wos ™= ent CURB = Lon BLOCK 152.27 LOT 11 PROPOSED CONDITIONS DRAINAGE AREAS PLAN Sheet DA—2 FRAME DWELLING VERTICAL DATUM IS NAVD 1988 J PROPOSED SITE IMPROVEMENTS MONTCLAIR STABLES TAX LOTS 176, 179 & 186 BLOCK 152.02 TAX MAP SHEET 77 THE TOWNSHIP OF WEST ORANGE ESSEX COUNTY, NEW JERSEY D Certificate of Authorization Nox 24GA28204400 213 NEWTON SWARTSWOOD ROAD, NEWTON, NEW JERSEY 07860 973-219-7546 RMCNJPE@YAHOO.COM AUGUST 20, 2025 Cut U0 (a ORIGINAL DWG, DATE ROBERT M. CUNNINGHAM JANUARY 6, 2025 PROFESSIONAL ENGINEER NJ. LICENSE GE31540

PIPE 1: 15" RCP @ 1.00% SLOPE DRAINAGE TO PIPE 1 7,593 SF = IMPERVIOUS AREAS 3,897 SF = GRASS, GOOD (HSG C) 11,500 SF = SAND RIDING AREA 22,990 SF = TOTAL AREA DRAINAGE TO PIPE 5 & 6 9,375 SF = IMPERVIOUS AREAS 9,375 SF = TOTAL AREA DRAINAGE TO PIPE 2 & 3 4,104 SF = IMPERVIOUS AREAS 4,104 SF = TOTAL AREA PIPE 8: 6" PVC @ 1.00% SLOPE PIPE 2: 8" PVC @ 1.00% SLOPE DRAINAGE TO PIPE 8 & 9 3,612 SF = IMPERVIOUS AREAS 3,612 SF = TOTAL AREA PIPE 5: 8" PVC @ 1.50% SLOPE DRAINAGE TO PIPE 3 188 SF = IMPERVIOUS AREAS 2,557 SF = GRASS, GOOD (HSG C) 22,575 SF = SAND RIDING AREA 25,320 SF = TOTAL AREA DRAINAGE TO PIPE 7 5,990 SF = IMPERVIOUS AREAS 5,990 SF = TOTAL AREA DRAINAGE TO PIPE 4 5,311 SF = IMPERVIOUS AREAS 5,311 SF = TOTAL AREA PIPE 3: 15" CMP @ 2.36% SLOPE DRAINAGE TO PIPE 9 3,418 SF = IMPERVIOUS AREAS 3,418 SF = TOTAL AREA PIPE 7: 6" PVC @ 2.50% SLOPE PIPE 4: 8" PVC @1.00% SLOPE PIPE 6: 12" PVC @ 1.00% SLOPE PIPE 9: 8" PVC @ 1.00% SLOPE