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

G-1 construction debris [TOPSOIL and FILL] Roots greater than 1/2" in diameter extend to 6" bgs. +550.0 Roots less than 1/2" in diameter extend to 1 ft bgs. Dark gray to gray CLAY, some silt (moist) 1 GRAB G-2 +549.0 Orangish brown to reddish brown Silty fine to medium SAND, 2 some clay, trace gravel (wet) 3 HSG taken from 30" to 40" bgs. Little water seepage observed at 3 ft. GRAB G-3 4 +546.0 Reddish brown SILT, some clay, some gravel, trace fine to 5 Cobbles and boulders (1 ft dia.) encountered at 5 ft. coarse sand with cobbles and boulders (moist) 6 7 GRAB G-4 Hard digging at

G-4 Hard digging at 7.5 ft. 8 +542.5 Obstruction and excavator bucket refusal at 8.5 ft. Possible End of Test Pit at 8.5ft. weathered rock or boulder. No mottling observed. 9 End of test pit at 11:00 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 15:06:13

Log of Test Pit TP-14 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. 559.0 (NAVD88) Excavation Company Depth Water Level - First Water Level - Completion Semeraro Construction, Co., Inc. 1.8 ft - - Excavation Equipment Excavation Foreman Field Engineer Hitachi Excavator 7X85 Roy Westervelt Bhumi Peer SAMPLE Depth Elev. Number SYMBOL DESCRIPTION Scale REMARKS Type (ft) +559.0 +558.7 Topsoil (Approx. 4") [TOPSOIL] 0 Began excavating on 4/15/2025 at 7:35 AM. Brown fine to coarse SAND, some silt, trace gravel with wood Roots less than 1/2" in diameter extend to 6" bgs.

ith wood Roots less than 1/2" in diameter extend to 6" bgs. GRAB GRAB G-1 and brick pieces (moist) [FILL] +557.8 1 HSG taken from 15" to 21" bgs. G-2 Reddish brown Silty fine to medium SAND, some clay, trace GRAB G-3 +557.2 gravel (moist) Excavator bucket refusal at 1.75 ft. Possible top of rock. End of Test Pit at 1.8ft. 2 No water seepage nor mottling observed. End of test pit at 8:00 AM on 4/15/2025. 3 4 5 6 7 8 9 10 11 12

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

Log of Test Pit TP-15 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. 3.0 ft - - Excavation Equipment Excavation Foreman Field Engineer Hitachi Excavator 7X85 Roy Westervelt Bhumi Peer SAMPLE Depth Elev. Number SYMBOL DESCRIPTION Scale REMARKS Type (ft) +551.0 +550.8 Topsoil (Approx. 3") [TOPSOIL] 0 Began excavating on 4/15/2025 at 8:05 AM. Brown SILT, some clay, trace gravel (moist) GRAB GRAB G-1 +550.0

GRAB GRAB G-1 +550.0 Reddish brown Sandy SILT, some clay some gravel (moist) 1 HSG taken from 16" to 28" bgs. G-2 2 Cobbles at 2 ft. Hard digging at 2.5 ft. +548.0 3 Excavator bucket refusal at 3 ft. Possible top of rock. End of Test Pit at 3.0ft. No water seepage nor mottling observed. End of test pit at 8:25 AM on 4/15/2025. Test pit backfilled with 4 excavated material 5 6 7 8 9 10 11 12 13 14

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-16 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. 562.5 (NAVD88) Excavation Company Depth Water Level - First Water Level - Completion Semeraro Construction, Co., Inc. 10.5 ft - - Excavation Equipment Excavation Foreman Field Engineer Hitachi Excavator 7X85 Roy Westervelt Bhumi Peer SAMPLE Depth Elev. Number SYMBOL DESCRIPTION Scale REMARKS Type (ft) +562.5 +562.2 Topsoil (Approx. 4") [TOPSOIL] 0 Began excavating on 4/14/2025 at 1:45 PM. Roots extend to 1.25 ft Dark brown SILT, some clay, some fine to medium sand, trace bgs. gravel with roots and construction debris (moist) [FILL] 1

gravel with roots and construction debris (moist) [FILL] 1 GRAB G-1 +561.0 Reddish brown to brown SILT, some clay, some gravel (moist) 2 +560.0 HSG taken from 30" to 42" bgs. Reddish brown Silty fine to medium SAND, some clay, some GRAB G-2 gravel (moist) 3 4 5 6 +555.5 Reddish brown to tan Silty fine to medium SAND, trace clay, 7 trace gravel (moist) 8 GRAB G-3 +553.5 Tan ROCK PIECES (moist) [POSSIBLE BEDROCK] 9 Hard digging at 9 ft. Boulder (1 ft dia. ) encountered at 9 ft. 10 GRAB