Stormwater Management Report Revised as of 01282026 4936 0314 8685 v2

Coefficients #8 61.1 Dgp= 20.0068 D85= 14.5408 Dgp= 2.0845 #10 59.7 D50= 0.6227 D30= 0.1357 D15= #16 55.3 D10= Cu= Cc= #30 49.7 Classification #50 41.6 USCS= SM AASHTO= A-1-b #100 31.3 #200 23.7 Remarks Sample was collected on 08/19/24 and tested on 08/26/24. In-Situ %MC=7.5 F.M=3.27 * (no specificarion provided) Location: B-7 Sample Number: S-7 Depth: 4'-6' Date: 08/26/2024 ANS CONSULTANTS, INC. client: Gomes Management Project: 625 Northfield Avenue, West Orange, NJ Block 159.04, Lot # 1.01, 1.02 & 1.03 South Plainfield, New Jersey Project No: ANV-6549 Figure 7 F 1

Particle Size Distribution Report As per ASTM D 6913 C C C~ C C C D° ~ N M ~ f~ 0 ~ ~ N tD M N • r n \ W ~ 4k ik ~t ~ ~ # # 4k 100 I I I I I I I I s0 I I I • I I I I I I I I I I I I I I I I I I I I I I I so I I I I I I I I I I I I • I I I I I I I I I •• I I I I 70 ~ ~ ~ ~ I ~ I ~ ~ I I I I I I • I I I ~ ~ PERCENT FINE O C ~~~ ~~ I I I I I I I ••~ I I I I I I I I I • I I I I I I I I I I I I I bt O I I ( I I I I I I I .I I I I

I I bt O I I ( I I I I I I I .I I I I I I I I I I I I I I I I I I I I I I I I I I I l l r r .A. O I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I O W I I I I I i I I I I l l l r I I I I I l a I i l l l l O N I I I I I I I I I ( I I I I I I I I I I I I I V I I I I I I I I I I I r I I I r--t O ~ I I I I I I I I I V I I I I I I I I I I I I V I I I O 100 10 1 01 0.01 0.001 GRAIN SIZE - mm. % +3" %Gravel %Sand

GRAIN SIZE - mm. % +3" %Gravel %Sand %Fines Coarse Fine Coarse Medium Fine Silt Clay 0.0 21.9 13.0 5.2 10.2 23.4 26.3 SIEVE PERCENT SPEC:` PASS? Material Description SIZE FINER PERCENT (X=NO) Brown in color. silty sand with gravel 1.5 100.0 1 92.4 3/4 78.1 1/2 73.1 Atterberg Limits PL= NP LL= NV PI= NP 3/8 72.5 #4 65.1 Coefficients #8 60.9 Dgp= 24.1282 D85= 21.9511 Dgp= 2.0305 #10 59.9 D50= 0.4411 D30= 0.1044 D15= #16 56.7 D10= Cu= Cc= #30 52.3 Classification #50 45.9 USCS= SM AASHTO= A-2-4(0) #100 34.8 #200 26.3 ~ Remarks

0 34.8 #200 26.3 ~ Remarks Sample was collected on 08/19/24 and tested on 08/26/24. In-Situ %MC=14.2 F.M:3.34 * (no specification provided) Location: B-8 Sample Number: S-8 Depth: 6'-8' Date: 08/26/2024 ANS CONSULTANTS, INC. Client: Gomes Management Project: 625 Northfield Avenue, West Orange, NJ Block 159.04, Lot # 1.01, 1.02 & 1.03 South Plainfield, New Jersey Project No: ANV-6549 Figure 8 F 1

'~ CONSULTANTS, I~'C. AN~ s 4405 South Clinton Avenue ~ South Piainfield, N) 07080 Client: Gomes Management Project: 525 Northfield Avenue, West Orange, NJ Sample procurement using split spoon samplers and augurs Sample recovery from split spoon samplers 11Page

C045UlTANTS, INC. i 4A65 South Ciinlon Avenue ~°°~'~i°'n'~e~' N~0'°8° Client: Gomes Management Project: 525 Northfield Avenue, West Orange, NJ Sample procurement using split spoon samplers and augurs Sample recovery from split spoon samplers 21Page

COi±SUITA~Ts, I'~C. 4405 South Clinton Avenue soud,Prhheia.n~o~os° Client• Gomes Management Project: 525 Northfield Avenue, West Orange, NJ Sample procurement using split spoon samplers and augurs Sample recovery from split spoon samplers 31Page

^CONSULTANTS, INC, A N 1~ ~ 4405 South Clinton Avenue SouthPiainfield,\)O,oao Client: Gomes Management Project: 525 Northfield Avenue, West Orange, NJ Sample procurement using split spoon samplers and augurs Sample recovery from split spoon samplers 41Page

APPENDIX F DRAINAGE AREA MAPS