Geotech Report 05 23 2023

SOR CONSULTING TEST PIT LOG TEST PITNO. TP-D1 ENGINEERS, INC. CLIENT : Garden Homes: GSE +5768! WATER LEVEL 10°-0" PROJECT: Stormwater Management System DATE B07 LOCATION : West Orange, New Jersey JOB NO. 23-C-16 |REPORT NO. 23-C-17 DEPTH pensity | MOISTURE GROUND SURFACE REMARKS Topsoil Vegetation 1 0-8" Firm Moist | Dark Yellowish Brown coarse to fine Sand, and Clayey Sit, litle coarse to fine 2 Gravel (Sandy Clay Loam) 3 Dense Moist | Brown coarse to fine Sand, some Silt, some coarse to fine Gravel, Cobbles (Loam) 4 5 6 7 8 nies BRE ROtom 3570", 9 Permability at 8" K=0.64 ine (K2). 10 Wet Water Seepage at 10° oh) 12 13 14 15 16 17 Test Pit Completed at 16-0" 18 19 20 EXCAVATOR : D. Wills Excavating EQUIPMENT : Backhoe Case Extendhos STL REPRESENTATIVE : A Sencar

SOR CONSULTING TEST PIT LOG TESTPITNO. TP-D2 ENGINEERS, INC. ° CLIENT : Garden Homes: GSE +574" WATER LEVEL oo PROJECT: Stormwater Management System DATE wane [LOCATION : West Orange, New Jersey JOB NO. 230-16 IREPORT NO. 23-0-17, DEPTH! pensity | MOISTURE GROUND SURFACE REMARKS |Topsoil/Vegetation 41 1-0" Firm Moist _ [Dark Yellowish Brown coarse fo fine Sand, and Clayey Sif, lila coarse To fine 2 JGravel (Sandy Clay Loar) oot 3 Dense Moist | Brown coarse to fine SAND ttle Sit, some coarse to fine Gravel, Cobbles (Sandy Loam) 4 HDPE Bottom +570" 5 Permeabilty @4' K=2.64 in/hr (K3) 6 Wet 12 13 14 15 16 v7 Bedrock at 9° Test Pit Completed at 9'-0" Water Seepage @ 6'

SOR CONSULTING TEST PIT LOG TESTPITNO. TP-E1 ENGINEERS, INC. (CLIENT: Garden Homes ase 7500 WATER LEVEL 70" PROJECT: Stormwater Management System DATE B05 LOCATION : West Orange, New Jersey JOB NO. 23-C-16 |REPORT NO. 23-C-17 DEFTH] pensity | MOISTURE GROUND SURFACE REMARKS FTopsoiiNVegetation 1 oie Firm Moist | Yellowish Brown Clayey SILT, some medium to fine Sand, ttle coarse to fine Gravel 2 (Clay Loam) 3 2-6" 4 Dense Moist | Brown coarse to fine Sand, some Sil, ttle coarse to fine Gravel, Cobbles, HOPE Bottom +586" Boulders (Loam) are ery 5 Permeability @5' K=0.61 in/hr (K2) 6 7 Wet Water Seepage @ 7 8 9 10 W 12 413 Test Pit Completed at 12'-0' 14 16 16 47 18 19 20 STL REPRESENTATIVE : Willis Excavating jackhoe Case Extendh ‘Sencar

BOR CONSULTING TEST PIT LOG TESTPITNO. TP-E2 ENGINEERS, INC. . CLIENT : Garden Homes IGSE +586" WATER LEVEL 9-0" PROJECT: ‘Stormwater Management System DATE wane LOCATION: West Orange, New Jersey JOB NO. Bowe |REPORT NO. 23-C-17 DEPTH) pensity | MOISTURE GROUND SURFACE REMARKS FTopsoilVegetation 1 0 — — HDPE Bottom +586 Firm Moist |Dark Yellowish Brown Clayey SILT, some medium to fine Sand, litle coarse to fine 2 Gravel (Clay Loam) Remove Clayey Soil and Replace with Permeable soil 3 3-0" 4 Dense Moist | Brown coarse to fine Sand, some Silt, some coarse to fine Gravel, Cobbles, Boulders (Loam) 5 6 7 Permeability @7' K=0.69 in/hr (K2) 8 9 Wet Water Seepage @ 9° 410 ahs 12 13 14 48 Test Pit Completed at 14-0" 16 47 18 19 20 EXCAVATOF Willis Excavating

SOR CONSULTING ENGINEERS, INC. TEST PIT LOG TESTPITNO. TP-F1 CLIENT: Garden Homes ase wr WATER LEVEL oo" PROJECT: Slormwater Management System DATE wen02 LOCATION: West Orange, New Jersey 0B NO. Bote [REPORT NO. 230-17, perT4| pensity | moisture GROUND SURFACE REMARKS Fopsoll/Vegetation 1 10" Firm Moist 2 ‘Brown coarse to fine Sand, some Clayey Sil, litle coarse to fine Gravel (Sandy Clay Loam) 3 ich 4 Dense Moist [Brown coarse to fine SAND, litte Sit, litle coarse to fine Gravel, Cobbles, Boulders (Loam) 5 Permeability @6 K=1.85 intr (2) 6 7 8 Wet Water Seepage @8 8'-0" 9 |Brown coarse to fine SAND, little Silt, some coarse to fine Gravel, w/ Rock Fragments. (Sandy Loam) 10 hl 12 13 14 Test Pit Completed at 13'-0" 15 16 17 18 419 20 EXCAVATOR EQUIPMENT : Backhoe Case Extendhoe STL REPRESENTATIVE : A Sencar

SOR CONSULTING TEST PIT LOG TESTPITNO. TP-F2 ENGINEERS, INC. CLIENT : Garden Homes [ese +61 WATER LEVEL 8-0" PROJECT : ‘Stormwater Management System DATE Brar20%3 LOCATION : West Orange, New Jersey [JOB NO. FESET |REPORT NO. 23-0-17, ail DENSITY | MOISTURE GROUND SURFACE REMARKS FTopsoll/Vegetation 1 0-10" Firm Moist | Brown coarse to fine SAND, some, Silt, some coarse to fine Gravel 2 (Sandy Loam) 3 4 5 Permeability @ 5° K=2.32 in/hr (K3) 6 7 8 Wet Water Seepage @8' 8'-0"| 8 Brown coarse to fine SAND, litle Silt, some coarse to fine Gravel, w/ Rock Fragments (Loam) 10 ah) 12 13 14 Test Pit Completed at 13'-0" 15 16 17 18 19 20 EXCAVATOR : D. Willis Excavating EQUIPMENT ; Backhoe Case Extendhoe STL REPRESENTATIVE

SOR CONSULTING TEST PIT LOG TESTPITNO. TP-G14 ENGINEERS, INC. (CLIENT: Garden Homes ase 7 WATER LEVEL NIA PROJECT: Stormwater Management System DATE wan07s LOCATION : West Orange, New Jersey OBNO. Bowe |REPORT NO. 23-CA7 DEPTH) pensity | MOISTURE GROUND SURFACE REMARKS FFopsoilVegetation 1 o'-4" Firm Moist | Grayish Brown Clayey SILT (Clay Loam) 7 eel Dense Moist | Brown coarse to fine Sand, some Sit, some coarse to fine Gravel, Cobbles 10 14 5 16 20 (Loam) 12-0") Brown coarse to fine SAND, trace Silt, some coarse to fine Gravel (Sandy Loam) Test Boring Completed at 15'-0" Basin Bottom +530' Permeability @ 6° K=0.96 in/hr (K2)

SOR CONSULTING ENGINEERS, INC. TEST PIT LOG TESTPITNO. TP-G2 CLIENT? Garden Homes ase Te [WATER LEVEL NA PROJECT: Stormwater Management System DATE were023 LOCATION: West Orange, New Jersey GOBNO. BOT |REPORT NO. 23-0417. DEPTH) pensity | MOISTURE GROUND SURFACE REMARKS FTopsoilVegetation 4 0-8" Firm Moist | Yellowish Brown Clayey SILT 2 (Clay Loam) 3 4 ‘ect 5 Dense Moist [Brown coarse to fine Sand, and Silt, some coarse to fine Gravel, Cobbles (Loam) 6 7 8 Basin Bottom +530' Permeability @9° 10 K=0.74 in/hr (K2) 10'-0"| " Moist | Brown coarse to fine SAND, trace Silt, and coarse to fine Gravel (Sandy Loam) 12 13 14 15 16 7 Test Pit Completed at 16'-0" 18 19 20 ‘STL REPRESENTATIVE : A Sencar

APPENDIX Iil LABORATORY SOIL TEST RESULTS

SOR TESTING LABORATORIES, INC. 98 Sand Park Road - Cedar Grove, NJ 07009 Tel.: (973) 239-6001 Fax: (973) 239-8380 _http://www.sorlabs.com PARTICLE SIZE DISTRIBUTION TEST REPORT 2" 100.0 412" #10 #50 #200 HYDROMETER ANALYSIS | I I | 2 7 bad ° g percent finer particle size, millimeters. 0.100 0.010 0.001 = cowmae_1] sees me Figure No. 1 ‘SAND. ST CLAY Specification" | Sieve Size % Finer Min(%) _ Max.(%) ‘Sample Identification 3" (75 mm) Sample No.: TP-Ai, S-1 2.1/2" (63 mm) Lab No.: A23-067-01 2" (50 mm) Source/Location: Ss 4 1/2" (38.1 mm) 100.0 Description: 4” (25 mm) 83.5 D.Brown cf Sand, some Silt, and cf Gravel 3/4" (19 mm) 82.0 5/8" (16 mm) sample description in accordance with Burmister System 4/2" (12.5 mm) 80.5 LL: [_PL: [_ Pr: 3/8" (9.5 mm) 77.0 5/16" (8 mm) As received Moisture Content: 13.2 % 1/4" (6.3 mm) #4 (4.75 mm) 68.6 Classification: #6 (3.35 mm) USCS: {SM] #8 (2.36 mm) 61.2 AASHTO: #10 (2 mm) Remarks: #14 (1.4 mm) Sample received in lab on May 12, 2023 #16 (1.18 mm) 55.0 #20 (850 um) Permeability, k: 9.6 x 10-4 cm/s (1.39 in/hr) K2 #30 (600 ym) 49.1 Permeability, k: 9.7 x 10-4 cm/s (1.40 in/hr) K2 #40 (425 ym) Client: Garden Homes #50 (300 ym) 39.4 Project: Stormwater Management System #60 (250 um) #100 (150 um) 27.5 Location: West Orange, New Jersey #200 (75 um) 20.7 Date: 17-May-23 Job No.: 23-C-16 Report No.: 23-C-17