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

10 GRAB G-4 +552.0 Excavator bucket refusal at 10.5 ft. No water seepage nor mottling End of Test Pit at 10.5ft. observed. 11 End of test pit at 2:35 PM on 4/14/2025. Test pit backfilled with excavated material. 12 13 14 15 16 17 18 19 20 Langan Cloud Database, Project : 101049801, West Essex Highlands. Produced at 08/25/2025 15:06:14

Log of Test Pit TP-17 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. 566.0 (NAVD88) Excavation Company Depth Water Level - First Water Level - Completion Semeraro Construction, Co., Inc. 12.0 ft - - Excavation Equipment Excavation Foreman Field Engineer Hitachi Excavator 7X85 Roy Westervelt Bhumi Peer SAMPLE Depth Elev. G-1 Number SYMBOL DESCRIPTION Scale REMARKS Type (ft) +566.0 0 GRAB +565.8 Topsoil (Approx 2") [TOPSOIL] Began excavating on 4/14/2025 at 12:15 PM. Fine roots extend to Brown Silty fine to medium

soil (Approx 2") [TOPSOIL] Began excavating on 4/14/2025 at 12:15 PM. Fine roots extend to Brown Silty fine to medium SAND, some clay, some gravel with 1 ft bgs. trace roots and trace brick pieces (moist) [FILL] 1 GRAB G-2 HSG taken from 18" to 30" bgs. 2 Large pieces of concrete at 2 ft. Large pieces of rock from 2.5 ft to 4 ft. 3 4 5 GRAB G-3 6 Large chunk of concrete and bricks at 6 ft. 7 8 9 +556.0 Tan to reddish brown Clayey SILT, some fine to medium sand, 10 GRAB G-4

GRAB G-4 trace gravel (moist) 11 +554.5 GRAB Reddish brown SILT, some clay, some fine to medium sand, G-5 +554.0 some gravel (moist) 12 Excavator limit reached and southwest wall collapsing. No water End of Test Pit at 12.0ft. seepage nor mottling observed. End of test pit at 1:15 PM on 4/14/2025. 13 14 15 16 17 18 19 20 Langan Cloud Database, Project : 101049801, West Essex Highlands. Produced at 08/25/2025 15:06:15

Log of Test Pit TP-18 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. 567.0 (NAVD88) Excavation Company Depth Water Level - First Water Level - Completion Semeraro Construction, Co., Inc. 4.0 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) +567.0 0 GRAB Topsoil (Approx. 6") [TOPSOIL] Began excavating

GRAB Topsoil (Approx. 6") [TOPSOIL] Began excavating on 4/14/2025 at 10:45 AM. +566.5 Roots 1/2" to 1" in diameter extend to 6" bgs. GRAB Brown SILT, some clay, some gravel, trace fine to coarse sand Roots less than 1/2" in diameter extend to 1 ft bgs. with brick pieces (moist) [FILL] 1 +565.5 HSG taken from 18" to 30" bgs. GRAB Brown to reddish brown Silty fine to medium SAND, some clay G-3 with brick and concrete pieces (moist) [FILL] 2 Boulder (1 ft dia.) encountered at 2 ft. Concrete piece at northeast corner at 2 ft. +564.2 Dark brown fine to coarse SAND with roots and organics 3 GRABGRAB G-4 (moist) [BURIED TOPSOIL] +563.2 G-5 +563.0 Gray ROCK PIECES (moist) [POSSIBLE BEDROCK] 4 Hard digging. Excavator bucket refusal at 4 ft. End of Test Pit at 4.0ft. No water seepage nor mottling

Hard digging. Excavator bucket refusal at 4 ft. End of Test Pit at 4.0ft. No water seepage nor mottling observed in test pit. End of test pit at 11:20 AM on 4/14/2025. 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 15:06:15

Log of Test Pit TP-19 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. 563.0 (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. Number SYMBOL DESCRIPTION Scale REMARKS Type (ft) +563.0 +562.8 Topsoil (Approx. 2") [TOPSOIL] 0 Began excavating on 4/14/2025 at 10:05 AM. GRAB Dark gray GRAVEL (moist) [FILL] Roots greater than 1/2" in diameter extend to 6" bgs.

Roots greater than 1/2" in diameter extend to 6" bgs. G-1 +562.0 Roots less than 1/2" in diameter extend to 1 ft bgs. Reddish brown to gray ROCK PIECES (moist) [POSSIBLE 1 HSG taken from 4" to 18" bgs. BEDROCK] GRAB G-2 +561.0 2 Hard digging. Excavator bucket refusal at 2 ft. End of Test Pit at 2.0ft. No water seepage nor mottling observed. End of test pit at 10:30 AM on 4/14/2025. 3 4 5 6 7 8 9 10 11 12 13 14

13 14 15 16 17 18 19 20 Langan Cloud Database, Project : 101049801, West Essex Highlands. Produced at 08/25/2025 15:06:15