JMA02P003 262 270 Main Street Development Stormwater Management Report

0 97.00 0.00 0.00 0.00 42.50 0.00 0 97.00 0.00 0.00 0.00 45.00 0.00 0 97.00 0.00 0.00 0.00 47.50 0.00 0 97.00 0.00 0.00 0.00 50.00 0.00 0 97.00 0.00 0.00 0.00 52.50 0.00 0 97.00 0.00 0.00 0.00 55.00 0.00 0 97.00 0.00 0.00 0.00 57.50 0.00 0 97.00 0.00 0.00 0.00 60.00 0.00 0 97.00 0.00 0.00 0.00 62.50 0.00 0 97.00 0.00 0.00 0.00 65.00 0.00 0 97.00 0.00 0.00 0.00 67.50 0.00 0 97.00 0.00 0.00 0.00 70.00 0.00 0 97.00 0.00 0.00 0.00

Engineering Stormwater Narrative JMA02P003- May 26, 2026 262-270 Main St Development Appendix E: Geotechnical Report 8

Project: 262-270 Main St Geotechnical Investigation Log of Boring B1 Project Location: 262-270 Main St, West Orange, NJ 07052 Sheet 1 of 1 Project Number: JMA02P003.06 Date(s) Drilled 5/29/2025 Logged By A.G. Checked By J.C. Drilling Drill Bit Total Depth Method Standard Penetration Test (SPT) Size/Type 4" Hollow Stem Auger of Borehole

4" Hollow Stem Auger of Borehole 30 feet bgs Drill Rig Drilling Approximate Type Track RIg Contractor SANO Drilling Surface Elevation 99.7 Groundwater Level Sampling Hammer and Date Measured 18 FT Below Grade Method(s)

18 FT Below Grade Method(s) SPT Data 1.38" 140 lb Automatic Hammer Borehole Backfill Cuttings Location SouthWest of existing Lot Sampling Resistance, Sample Number Elevation (feet) Material Type Sample Type Graphic Log

Graphic Log Depth (feet) blows/ft MATERIAL DESCRIPTION REMARKS AND OTHER TESTS 99.7 0 ML Silt 0-8 S1 2-2 6" Asphalt Cuttings Cuttings 2-2

2-2 S2 2-2 GM Brown fine (-) Gravel, and (-) medium to find Sand, little (-) 4-10 94.7 5 S3 18-17 fine Silt; (GM). GM Brown fine (-) Gravel, and (-) medium to find Sand, little (-) 8-14 S4 14-16 fine Silt; (GM). GM Brown fine (-) Gravel, and (-) medium to

GM Brown fine (-) Gravel, and (-) medium to find Sand, little (-) 19-22 27-31 fine Silt; (GM). 89.7 10 GM Brown fine (-) Gravel, and (-) medium to find Sand, little (-) 15-19 S5 fine Silt; (GM). P:\02-PF\JMA02P003\JMA02P003.05\04-Reports\Geotech Report\Appendicies\Boring 1.bg4[(master 0 lab).tpl] 24-24 GM Brown fine (-) Gravel, and (-) medium to find Sand, little (-) 7-18

7-18 19-14 fine Silt; (GM). 84.7 15 SP-SM Brown (+) medium to fine SAND, and (-) coarse to fine 10-25 S6 12-8 Gravel, trace (-) Silt; (SP-SM). 79.7 20 SM Brown (-) fine Sand, some (-) medium to fine Gravel, some S7 29-50/0 (-) fine Silt, trace (-) fine Clay; (SM) 74.7 25 No Recovery. Refusal at 30 ft

No Recovery. Refusal at 30 ft below grade. End of Boring. 50/2 69.7 30