Geotech Report 04 19 2021

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 3" 2" 412" #10 #50 #200 HYDROMETER ANALYSIS ——— percent finer 8 3S i t i | | | 40.0 — +} j4—— 30.0 fH} — = +H _ | 20.0 f+} + 4 —— } se es 10.0 — - j—}+— - 0.0 100.000 10.000 1,000 0.100 0.010 0.001 aa Spee Sees Figure No. 4 Se ‘GRAVEL I ‘SAND SILT TL ctay Specification* Sieve Size % Finer Min.(%) _Max.(%) Sample Identification 3" (75 mm) Sample No.: P-15 2.1/2" (63 mm) Lab No.: A21-037-02 2" (50 mm) Source/Location: 3-4" 4.1/2" (38.1 mm) Description: 4" (25 mm) Reddish Brown cf Sand, and Silt, some mf Gravel 3/4" (19 mm) 100.0 5/8" (16 mm) sample description in accordance with Burmister System. 1/2" (12.5 mm) 90.8 LL: LPL: LPI: 3/8" (9.5 mm) 87.1 5/16" (8 mm) As received Moisture Content: % 1/4" (6.3 mm) #4 (4.75 mm) 82.9 Classification: #6 (3.35 mm) USCS: [SM] #8 (2.36 mm) 78.0 AASHTO: #10 (2 mm) Remarks: #14 (1.4mm) Sample received in lab on March 29, 2021 #16 (1.18 mm) 72.1 #20 (850 jm) Permeability, k: 1.0 x 10-3 cm/s ( 1.5 in/hr) K2 #30 (600 ym) 65.1 Permeability, k: 1.1 x 10-3 cm/s ( 1.6 in/hr) K2 #40 (425 um) Client: Garden Homes #50 (300 um) 55.4 Project: Proposed Residential Development #60 (250 um) #100 (150 um) 44.1 Location: West Orange, New Jersey #200 (75 um) 35.7 Date: 41-Apr-21 Job No.: 21-C-01 Report No.: 21-C-12