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

+535.0 2 Brown SILT, some f-c sand, trace gravel, trace cobbles (moist) HSG taken from 16" to 28" bgs. \\LANGAN.COM\DATA\PAR\DATA8\101049801\PROJECT DATA\_DISCIPLINE\GEOTECHNICAL\GINTLOGS\101049801_TEST PITS.GPJ ... 8/25/2025 10:49:12 AM ... Report: Log - LANGANTP [ML] 3 4 5 6 GRAB

GRAB S-3 7 8 Groundwater seepage observed at 7.7ft bgs. 9 10 +526.0 11 Groundwater ponding at 10.75ft bgs. End of Test pit at 11ft bgs Hard digging at about 11ft bgs. Completed excavating on 4/25/2024.

Completed excavating on 4/25/2024. Test pit backfilled with excavated material 12 upon completion. Easy digging observed from 0 to 11ft bgs. 13 14 15

Log of Test Pit TP-11 Sheet 1 of 1 Project Project No. Date West Essex Highlands 101049801 4/15/2025 Location Elevation and Datum West Orange, New Jersey Approx. el. 543.0 (NAVD88) Excavation Company Depth Water Level - First Water Level - Completion Semeraro Construction, Co., Inc. 7.0 ft - - Excavation Equipment Excavation Foreman Field Engineer Hitachi Excavator 7X85 Roy Westervelt Bhumi Peer SAMPLE Depth Elev. Number SYMBOL DESCRIPTION Scale REMARKS Type (ft) +543.0 +542.8 Topsoil (Approx. 3") [TOPSOIL] 0 Began excavating on 4/15/2025 at 9:40 AM. GRAB G-2G-1 Gray CLAY, with organics

GRAB G-2G-1 Gray CLAY, with organics (moist) +542.2 GRAB GRAB (moist) +542.0 Brown SILT, some clay 1 Roots greater than 1/2" in diameter extend to 0.5 ft bgs. Roots less Reddish brown to orangish brown Clayey SILT, trace fine than 1/2" in diameter extend to 1 ft bgs. gravel, trace fine to coarse sand (moist) G-3 HSG taken from 21" to 33" bgs. (moist) 2 3 +539.0 Reddish brown SILT, some clay, some fine to coarse gravel, 4 Cobbles and small boulders (less than 1 ft dia.) encountered at 4 ft. some fine to coarse sand, with cobbles and boulders (moist) 5 6 GRAB G-4 +536.0 7 Excavator bucket refusal encountered at 7 ft. Possible weathered End of Test Pit at 7.0ft. rock or boulder.

st Pit at 7.0ft. rock or boulder. No mottling observed. 8 End of test pit at 10:00 AM on 4/15/2025. Test pit backfilled with excavated material. 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 15:06:11

Log of Test Pit TP-12 Sheet 1 of 1 Project Project No. Date West Essex Highlands 101049801 4/15/2025 Location Elevation and Datum West Orange, New Jersey Approx. el. 548.5 (NAVD88) Excavation Company Depth Water Level - First Water Level - Completion Semeraro Construction, Co., Inc. 8.0 ft - - Excavation Equipment Excavation Foreman Field Engineer Hitachi Excavator 7X85 Roy Westervelt Bhumi Peer SAMPLE Depth Elev. Number SYMBOL DESCRIPTION Scale REMARKS Type (ft) +548.5 +548.2 Topsoil (Approx. 4") [TOPSOIL] 0 Began excavating on 4/15/2025 at 8:35 AM. Gray Silty CLAY with organics (moist) Roots extend to 8" bgs. GRAB GRAB

ts extend to 8" bgs. GRAB GRAB G-1 +547.5 Brown to orangish brown Silty fine to medium SAND, some 1 HSG taken from 12" to 24" bgs. G-2 clay, trace gravel (moist) +546.5 Reddish brown Sandy SILT, some gravel, trace clay (moist) 2 GRAB G-3 3 Cobbles encountered at 3 ft. 4 5 6 Hard digging at 6 ft. Boulders (1 ft dia.) encountered at 6 ft. 7 +540.5 8 Excavator bucket refusal encountered at 8 ft due to an obstruction. End of Test Pit at 8.0ft. Possible weathered rock or boulder. No water seepage nor mottling observed in test pit. 9 End of test pit at 9:13 AM on 4/15/2025. Test pit backfilled with

it. 9 End of test pit at 9:13 AM on 4/15/2025. Test pit backfilled with excavated material. 10 11 12 13 14 15 16 17 18 19 20 Langan Cloud Database, Project : 101049801, West Essex Highlands. Produced at 08/25/2025 15:06:12

Log of Test Pit TP-13 Sheet 1 of 1 Project Project No. Date West Essex Highlands 101049801 4/15/2025 Location Elevation and Datum West Orange, New Jersey Approx. el. 551.0 (NAVD88) Excavation Company Depth Water Level - First Water Level - Completion Semeraro Construction, Co., Inc. 8.5 ft 3.0 - Excavation Equipment Excavation Foreman Field Engineer Hitachi Excavator 7X85 Roy Westervelt Bhumi Peer SAMPLE Depth Elev. Number SYMBOL DESCRIPTION Scale REMARKS Type (ft) +551.0 Dark brown fine to coarse SAND, some silt with roots and 0 Began excavating on 4/15/2025 at 10:25 AM. GRAB G-1 construction debris [TOPSOIL and FILL] Roots greater than