2026 02 12 Crestmont CC and Eagle Rock Ave Stormwater Management Report

Log of Test Pit TP-20 Sheet 1 of 1 Project Project No. Date West Essex Highlands 101049801 4/14/2025 Location Elevation and Datum West Orange, New Jersey Approx. el. 566.5 (NAVD88) Excavation Company Depth Water Level - First Water Level - Completion Semeraro Construction, Co., Inc. 2.0 ft - - Excavation Equipment Excavation Foreman Field Engineer Hitachi Excavator 7X85 Roy Westervelt Bhumi Peer SAMPLE Depth Elev. G-2 G-1 Number SYMBOL DESCRIPTION Scale REMARKS Type (ft) +566.5 0 GRAB +566.2 Topsoil (Approx. 4") [TOPSOIL] Began excavating on

GRAB +566.2 Topsoil (Approx. 4") [TOPSOIL] Began excavating on 4/14/2025 at 9:20 AM. Brown Silty fine to coarse SAND, some gravel with trace roots Roots 1/4" in diameter extend to 6" bgs. GRAB and glass pieces (moist) [FILL] 1 +565.0 HSG taken from 18" to 30" bgs. GRAB Tan to orangish brown Sandy SILT, some clay, some fine to G-3 +564.5 Potential orange mottling at 1.5 ft coarse sand (moist) 2 Boulder (1 ft dia.) encountered at 2 ft. End of Test Pit at 2.0ft. Obstruction and excavator bucket refusal at 2 ft. Potential top of rock. 3 No water seepage observed. End of test pit at 9:50 AM on 4/14/2025. 4 5 6

5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Langan Cloud Database, Project : 101049801, West Essex Highlands. Produced at 08/25/2025 15:06:16

Log of Test Pit TP-21 Sheet 1 of 1 Project Project No. Date West Essex Highlands 101049801 4/14/2025 Location Elevation and Datum West Orange, New Jersey Approx. el. 539.5 (NAVD88) Excavation Company Depth Water Level - First Water Level - Completion Semeraro Construction, Co., Inc. 6.5 ft 1.0 - Excavation Equipment Excavation Foreman Field Engineer Hitachi Excavator 7X85 Roy Westervelt Bhumi Peer SAMPLE Depth Elev. G-2 G-1 Number SYMBOL DESCRIPTION Scale REMARKS Type (ft) +539.5 0 GRAB Topsoil (Approx 7") [TOPSOIL]

GRAB Topsoil (Approx 7") [TOPSOIL] Began excavating on 4/14/2025 at 8:20 AM. +538.9 GRAB +538.5 Gray GRAVEL (wet) [FILL] Tan to brown SILT, some clay, trace gravel, trace fine to 1 Rapid water seepage at 1 ft medium sand (wet) HSG taken from 20" to 32" bgs. 2 3 GRAB G-2 +536.0 Reddish brown SILT, some clay, trace gravel, trace fine to medium sand (wet) 4 Potential orange mottling at 4 ft. 5 6 GRAB G-4 +533.0 Hard digging and excavator bucket refusal at 6.5'. Possible top of End of Test Pit at 6.5ft. rock.

sible top of End of Test Pit at 6.5ft. rock. 7 End of test pit at 9:00 AM on 4/14/2025. 8 9 10 11 12 13 14 15 16 17 18 19 20 Langan Cloud Database, Project : 101049801, West Essex Highlands. Produced at 08/25/2025 15:06:16

APPENDIX B SELECT TEST PIT PHOTOGRAPHS LANGAN

TP-1 – Sidewall TP-1 – Sidewall and Bedrock Surface

TP-2 —- Groundwater Seepage LANGAN

TP-3 — Sidewall — Sidewall TP-3 LANGAN