CED_24006174A_250227_FSD_AHE_Geotechnical Data Report

Colliers Engineering & Design Project Number: 24006174A Location: TP-03 Page: 1 of 1 Single Ring Infiltration Test Data: Date: 2/18/2025 1. Test No.: TP-03 2. Depth: 42" (3.5 ft) Soil Description: Loamy Sand 3. Presoak: Time Elapsed to Drain Completely (3"): 15 min 4. Rate of Fall Data For 1" Drop: (Min. of 3 Meas. & Elapsed Time has Stabilized; min. 2 consecutive meas. within 5 sec.) Elapsed Time Observed Field Intake Rate Meas. # (min) (sec) (in/hr) 5.7 1 10 37 6.2 2 9 40 6.2 3 9 37 6.2 4 9 40 If 2 consecutive meas. are >60 min, the test is ended & Observed Field Intake Rate is <1 in/hr. 5. Conversion to Hydraulic Conductivity (per chart below): a. Average Stabilized Observed Field Intake Rate (in/hr): b. Soil Hydraulic Conductivity (in/hr): 6.1 2.1 (5a. x 0.3424 = 5b.) Source: New Jersey Stormwater Best Management Practices Manual, Chapter 12: Soil Testing Criteria, pg. 47, (April 2022). Notes: Test performed in 6" dia. metal ring with height of 6", set 3" into undisturbed soil layer.

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