Stormwater Management Report Revised as of 01282026 4936 0314 8685 v2

Client: Gomes Management Project: 525 Northfield Avenue, West Orange, NJ Page: 4 Date: 09/03/2024 Stratum-3: Reddish brown, purple f/c sand & f/c gravel, trace silt, was noted under this stratum between 6 feet to 10 feet in B-1, between 6 feet to 10 feet in boring B-2, between 8 feet to down to 9'-2" in B-3, between 10 feet to down to spoon refusal @ 10'-10" in B-4. The relative density of this material varied between medium dense to dense condition. Stratum-4: Brown f/c sand, trace silt, some f/m gravel, f/c fragments of gray stone, some f/c gravel was noted under this stratum between 10 feet to down to spoon refusal @ 10'-8" in boring B-1, between 6 feet to 8 feet in boring B-3 and in top 24 inches in B-6. The relative density of this material was noted to be in medium dense condition. Stratum-5: Augur Refusal indicating possible bedrock was encountered between 9'-5" to 19'- 9" depth in borings B-1 to B-5, B-7 & B-8. SUMMARY OF FINDINGS: In-Place Penetration Recommended Boring Depth in Soil Soil Bearing Resistance Soil Bearing Number (feet) Type Capacity N-Value Capacity (PSF) (PSF) B-1 0—2 6 FILL 1200 1000 B-1 2—4 13 FILL 2600 2500 B-1 4 — 4'-3" 50/3 SM/GM +5000 4000 B-1 6 — 7'-5" 137/11 SP/GP +5000 5000 B-1 8 — 10 53 SP/GP +5000 5000 B-1 10 — 10'-8" 50/2 SP-SM +5000 5000 B-1 @11'-4" Augur Refusal - +5000 8000

B-1 10 — 10'-8" 50/2 SP-SM +5000 5000 B-1 @11'-4" Augur Refusal - +5000 8000 In-Place Penetration Recommended Boring Depth in Soil Soil Bearing Resistance Soil Bearing Number (feet) Type C(PSF~ty N-Value Capacity (PSF) B-2/2A 0 — 1'-11" 25 FILL 5000 2500 B-2/2A 2—4 12 FILL 2400 2500 B-2/2A 4—6 25 FILL 5000 4000 B-2/2A 6—8 21 SP/GP 4200 4000 B-2/2A 8 — 10 39 SP/GP +5000 4500 B-2/2A 10 — 10'-9" 54/3 SM/GM +5000 5000 B-2/2A @11'-4" Augur Refusal - +5000 8000 In-Place Penetration Recommended Boring Depth in Soil Soil Bearing Resistance Soil Bearing Number (feet) Type C(PSFjty N-Value Capacity (PSF) B-3 0—2 14 FILL 2800 1500 B-3 2—4 7 FILL 1400 1500 B-3 4—6 30 FILL +5000 4000 B-3 6—8 19 SP-SM 3800

1500 B-3 4—6 30 FILL +5000 4000 B-3 6—8 19 SP-SM 3800 4000 B-3 8 — 9'-2" 44/2 SP/GP +5000 5000 B-3 @ 9'-5" Augur Refusal - +5000 8000 In-Place Penetration Recommended Boring Depth in Soil Soil Bearing Resistance Soil Bearing Number (feet) Type N-Value Capacity (PSF) C(PSF)~ B-4 0—2 9 FILL 1800 1000