Geotech Report 05 23 2023

SOR CONSULTING ENGINEERS, INC. Garden Homes Report No. 23-C-17 Subsurface Stormwater Management System Page 8 West Orange, NJ Sor Consulting Engineers appreciates the opportunity to be of assistance with this project. Should there be any questions concerning the information provided herein, please do not hesitate to contact us. The following appendices are attached and complete this report: Appendix |: Exploration Location Plan Appendix II: Test Pit Logs A-1 through G-2 Burmeister and USDA Soil Classification System Appendix lil: Laboratory Soil Test Results Appendix IV: Limitations Respectfully submitted, SOR CONSULTING ENGINEERS, INC. Atilla Sencar, P.E. Senior Engineer ASitm Cc: Anderson Consulting Services, LLC Attn: Paul Anderson, P.E., P.E., CME E-Mail:pandersonpe2gmail.com

APPENDIX | EXPLORATION LOCATION PLAN

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APPENDIX Il TEST PIT LOGS A-1 THROUGH G-2 BURMEISTER AND USDA SOIL CLASSIFICATION SYSTEM

SOR CONSULTING TEST PIT LOG TESTIPIING TP-A1 ENGINEERS, INC. ° CLIENT: Garden Homes ase ra |WATER LEVEL TO" PROJECT: ‘Stormwater Management System DATE Bre2023 LOCATION: West Orange, New Jersey 708 NO. B16 |REPORT NO. 23-C-17 DEPTH) peNsiTY | MOISTURE GROUND SURFACE REMARKS FTopsoiiVegetation 1 0-8"| Firm Moist | Yellowish Brown Clayey SILT, some medium to fine Sand 2 (Clay Loam) 3 2.6" 4 Dense Moist Brown coarse to fine Sand, some Silt, and coarse to fine Gravel, Cobbles Basin Bottom +540' (Loam) aS peso 5 Permeability @5' K=1.39 in/hr (K2) 6 7 Wet Water Seepage @ 7" 8 9 10 1 12 13 14 Test Pit Completed at 137-0" 15 16 47 18 19 20 EXCAVATOR: Willis Excavating

SOR CONSULTING TEST PIT LOG TESTPITNO. TP-A2 ENGINEERS, INC. CLIENT: Garden Homes [ese ra [WATER LEVEL T-0" PROJECT: Stormwater Management System DATE T1200, TOCATION: West Orange, New Jersey SOB NO. Bore REPORT NO. 23.647 DEPTH! ensity | MOISTURE GROUND SURFACE REMARKS TopsoilVegetation 1 0-8" Firm Moist Yellowish Brown Clayey SILT, some medium to fine Sand 2 (Clay Loam) 2-0" 3 4 Dense Moist | Brown coarse to fine Sand, some Silt, and coarse to fine Gravel, Cobbles Basin Bottom +540" (Loam) ee 5 Permeability @5' K=0.64 in/hr (K2) 6 7 Wet Water Seepage @ 7° 8 9 10 W 12 13 14 Test Pit Completed at 13'-0" 15 16 47 18 19 20 EXCAVATOR: Millis Excavating EQUIPMENT ‘STL REPRESENTATIVI

SOR CONSULTING TEST PIT LOG TESTPITNO. TP-B1 ENGINEERS, INC. ° CLIENT : Garden Homes: GSE +545" WATER LEVEL 8.0" PROJECT: ‘Stormwater Management System DATE Baro023 LOCATION : West Orange, New Jersey JOB NO. 23-C-16 [REPORT NO. 23-0417 DEPTH! pensity | MOISTURE GROUND SURFACE REMARKS FFopsoilWVegetation 4 ‘teh Firm Moist Yellowish Brown medium to fine Sand, and Clayey Silt 2 (Sandy Clay Loam) 3 4 Basin Bottom +540" 4-0" —— ee ee ee ee 5 Dense Moist Brown coarse to fine Sand, some Silt, some coarse to fine Gravel, Cobbles (Loam) Permeability @6" K=1.12 in/hr (K2) 6 7 Water Seepage @ 8' 8 Wet 9 10 Ww 12 13 14 Test Pit Completed at 13'-0" 15 16 7 18 19 20 EXCAVATOR Willis Excavating EQUIPMENT Jackhoe Case Extendhoe STL REPRESENTATIVE : A.Sencar

SOR CONSULTING TEST PIT LOG TESTPITNO. TP-B2 ENGINEERS, INC. CLIENT: Garden Homes ese ear WATER LEVEL 9.0" PROJECT: Stormwater Management System DATE waar LOCATION: West Orange, New Jersey OB NO. Bowe |REPORT NO. 23-CA7 DerT4| pensiry | moisTuRE GROUND SURFACE REMARKS. FFopsoilVegetation 4 1-0" 2 Firm Moist | Yellowish Brown Clayey SILT, some medium to fine Sand, tle medium to fine Gravel (Clay Loam) 3 4 5 5:0" 6 Dense Moist | Brown coarse to fine Sand, and Silt, some coarse to fine Gracel, Cobbles (Loam) 7 Basin Bottom +540 8 Permeability @7" K=0.89 in/hr (K2) 9 Wet Water Seepage @ 9' 1 12 13 7 18 19 20 Test Pit Completed at 15'-0"

SOR CONSULTING TEST PIT LOG TESTPITNO. TP-C1 ENGINEERS, INC. (CLIENT: Garden Homes [ese +556" WATER LEVEL +o" PROJECT : ‘Stormwater Management System DATE 5/6/2023 LOCATION : West Orange, New Jersey [JOB NO. 23-6-16 JREPORT NO. 23-C-17 DEPTH fT DENSITY | MOISTURE GROUND SURFACE REMARKS Topsoil/Vegetation 1 AO ara HDPE Bation 1557. Soft Wet —_| Dark Yellowish Brown Clayey SILT, some medium to fine Sand Permeability 2 (Clay Loam) <0.2inJhr. (KO) 3 4 40" Water Seepage at 4'-0” 5 Dense Wet —_| Brown coarse to fine Sand, some Silt, and coarse to fine Gravel (Loam) 6 Bedrock at 5-6" 5:6" Test Pit Completed at 5° 7 8 9 10 “ 12 13 4 15 16 17 18 19 20 ‘STL REPRESENTATIVE : ASencar

SOR CONSULTING TEST PIT LOG TEST PITNO. TP-C2 ENGINEERS, INC. CLIENT : Garden Homes: GSE +559" WATER LEVEL oo" PROJECT: Stormwater Management System DATE wane LOCATION: ‘West Orange, New Jersey OB NO. 2016 |REPORT NO. 23-C-17 DEPTH! pensity | MOISTURE GROUND SURFACE REMARKS FTopsoiiNVegetation 1 107] _ HOPE Bot +557" Soft Wet | Yellowish Brown Clayey SILT Permeability 2 (Clay Loam) <0.2in.thr. (KO) 3 4 3-6" Water Seepage at 4:0" Brown coarse to fine Sand, some Silt, and coarse to fine Gravel, Cabbles 5 Dense Wet | (Loam) Bedrock at 5'-0" 5-0" 6 ‘Test Pit Completed at 50" 7 8 9 10 a 12 13 14 15 16 7 18 19 20 EXCAVATOR : D. Willis Excavating EQUIPMEN' STL REPRESENTATIVI Backhoe Case Extendhoe