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Security Fire Systems-LR170505 2424 STUTZ DR.  SUITE 400  DALLAS, TX 75235  TEL [214] 350 5600  FAX [214] 350 0019 REPORT OF FIELD DENSITY TESTS Security Fire Systems 196 S. Freeport Parkway Coppell, Texas REPORTED TO: Security Fire Systems, Inc. 196 Freeport Parkway Coppell, Texas 75019 ATTN: Mr. Mike Alexander REPORT NO. 10 REPORT DATE: 05-05-17 REG PROJECT NO. 21753 TECHNICIAN: J. Castaneda PAGE: 1 of 2 CONTRACTOR: Trest Construction Proctor No. ASTM Standard Description Optimum Moisture, % Maximum Density, PCF 1 D-698 Reddish brown clayey sand w/sandstone 12.2 109.9 2 D-698 Light brown sandy clay 13.5 110.5 3 D-698 Dark brown clayey sand 10.5 117.1 4 D-698 Reddish brown sandy clay 13.5 110.7 5 D-698 Red & light brown clayey sand 11.6 114.0 Test No. Date Location Depth Below Final S. G. (feet) Pocket Pen (tsf) Field Density (pcf) Field Moisture (%) Proctor ID Compaction Level (%) 39 04-21-17 Bldg Pad: E.2-1.7 3.0 2.75 103.9 15.9 2 94.0 40 Bldg Pad: E.2-2.5 3.0 2.5 103.4 15.5 2 93.6 41 Bldg Pad: E.2-3.5 3.0 2.5 102.9 16.1 2 93.1 42 Bldg Pad: E.2-1.7 2.0 2.5 103.7 16.0 2 93.8 43 Bldg Pad: E.2-2.5 2.0 3.0 104.1 15.3 2 94.2 44 Bldg Pad: E.2-3.5 2.0 3.0 104.4 16.4 2 94.5 45 04-24-17 Bldg Pad: E.5-1.7 1.0 2.75 104.3 15.0 2 94.4 46 Bldg Pad: C.7-1.7 1.0 2.75 103.9 15.9 2 94.0 47 Bldg Pad: B.5-1.7 1.0 3.0 105.2 14.8 2 95.2 48 Bldg Pad: A.5-1.7 1.0 3.0 105.0 14.7 2 95.0 49 Bldg Pad: E.5-2.5 1.0 2.75 104.7 15.3 2 94.8 50 Bldg Pad: C-2.5 1.0 2.75 104.2 14.9 2 94.3 51 Bldg Pad: B.5-2.5 1.0 3.0 105.3 14.9 2 95.3 52 Bldg Pad: E.5-3.5 1.0 3.0 105.7 15.1 2 95.7 53 Bldg Pad:C.9-3.5 1.0 3.0 104.9 15.8 2 94.9 Comments: Where tested, materials were in compliance with project specifications. REPORT NO. 10 REPORT DATE: 05-05-17 REG PROJECT NO. 21753 PAGE: 2 of 2 E-Mail Distribution: (1) Security Fire Systems, Inc./ Mr. Mike Alexander (1) GPF Architects, LLC/Mr. Greg Frnka (1) Trest Construction/Mr. Gilbert Trevino (1) City of Coppell/Mr. Matthew Mabry (1) Trest Construction/Mr. Clement Wang (1) Trest Construction/Mr. Eric Larsen Submitted by: REED ENGINEERING GROUP, LTD. Registration Number F-3114 Bill Woolwine Sr. Manager, CMT BW/mg