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Duke Freeport- LR160511May 11, 2016 Duke Realty South/West Region 14241 North Dallas Parkway, Suite 1000 ATTN:Mr. Sean Jeanes, P.E. LEED AP Tohatsu Location: Permits: Dallas, TX 75254 19:6710-A NEC Bethel Road and Freeport Parkway Coppell, TX RE: ECS Job # 3033 Kellway Drive, Suite 110 Carrollton, TX 75006 (972) 392-3222 [Phone] (214) 483-9684 [Fax] ECS Texas, LLP LETTER OF TRANSMITTAL Texas Registered Engineering Firm # F-8461 CC:Duke Realty - Todd Henry Duke Realty - Glen Stevenson Pacheco Koch Consulting Engineers - Clayton J. Strolle, LEED AP City of Coppell - Matt Mabry Weir Bros., Inc. - Mike Weir ENCL: We are enclosing: Materials Engineering Division Reports For your use As requested X X X Field Report # 39 05/10/2016 SOG, Utility BF Timothy TarbuttonMark R. Zortman, P.E. Principal Engineer Project ManagerMAY 11 2016 1000.1 This report (and any included attachments) shall not be reproduced, except in full, without the prior written approval of ECS. ECS Texas, LLP 19:6710-A 39 Tohatsu Tuesday 05/10/2016 Project No. Report No. Day & DateProject 3033 Kellway Drive, Suite 110 Carrollton, TX 75006 (972) 392-3222 [Phone] (214) 483-9684 [Fax] FIELD REPORT 11.00 The undersigned arrived on site, as requested, to observe: 1. The placement and compaction of soils for Utility Line backfill. Utilizing the nuclear test method to check the compaction of soils; test results indicated that the compacted material, at the areas and elevations tested, met or exceeded the project requirements of 95% of the maximum dry density and moisture content above OMC as obtained in our laboratory using the ASTM D 698-12 Method A Standard. Locations and elevations of all tests are based on stakeout provided by others. We cannot be responsible for structures located off of the observed engineered pad, misaligned utilities or stakeout errors causing uncontrolled fill to be placed in structural areas. 2. The placement of 378 cubic yards of 3500 psi concrete for Slab on Grade, Pour 1. The required test limits were determined to be a slump of 3-5 inches, air content of 0-3 %, batch to placement time of 90 minutes, and concrete temperature range of 50-95 degrees Fahrenheit. Concrete observed on this date appeared to be placed in compliance with project specifications with regard to temperature, slump, air content, and batch to placement time, with some exceptions. Please refer to the attached concrete summary. Four sets of five and one individual laboratory cured concrete cylinders were cast for compressive strength testing in our laboratory. 91°/ Sunny 55.00 9.50 0.50 0.00 06:30A 04:00P SOG, Utility BF Location Contractor On-Site Time Lab Time Client Coppell, TX Arrival Departure Summary of Services Performed (field test data, locations, elevations & depths are estimates) & Individuals Contacted. Duke Realty - Sean Jeanes, P.E. LEED AP Duke Realty - Sean Jeanes, P.E. LEED AP Trip Charges* Remarks Chargeable Items Weather Mileage* 1.00Travel Time* Total Time of Re Obs.Time * Travel time and mileage will be billed in accordance with the contract. Tolls/Parking* Milton E. Perez, — Field TechnicianBy 1800 1080338 Concrete Summary Report Project: Location: Contractor : Supplier: Project No. Day/Date: Client: Weather / Temp: Page 1 No.Ticket No. Truck No. CY Concrete Truck Cum Batch Time Truck Time Arrive Finish Slump % Air Concrete Temp. Water Added Location and Remarks Tohatsu 6710-A NEC Bethel Road and Freeport Parkway Coppell, - Dallas County - TX 75019- 05/10/2016 Duke Realty Sunny / 91 Duke Realty LMC Mix Designation:1418 Mix Strength:3500 psi Design Strength:3500 psi B to P min. 1 3032 63101504 9.0 9.0 06:26 06:44 07:00 *5.00 1.60(P)8534 2 7060 63101509 9.0 18.0 07:00 07:20 07:45 1545 3 5022 63101510 9.0 27.0 07:06 07:28 07:58 5.0052 4 9126 64406303 9.0 36.0 07:10 07:48 08:08 58 5 9168 64406304 9.0 45.0 07:19 07:52 08:10 5.50 1051 6 3030 64406305 9.0 54.0 07:26 07:58 08:11 45 7 7044 64406306 9.0 63.0 07:31 08:10 08:26 5.0055 8 3021 64406313 9.0 72.0 07:56 08:20 08:47 *5.00 1.10(P)88 551 9 7008 64406308 9.0 81.0 07:36 08:22 08:37 61 10 3011 64406311 9.0 90.0 07:45 08:30 08:45 4.75 1060 11 1416 64406312 9.0 99.0 07:51 08:38 08:53 62 12 7058 64406319 9.0 108.0 08:12 08:40 09:01 5.5049 * Location:By:Milton E. PerezSlab on Grade, Pour 1 ECS Texas, LLP WO:61890 * B to P - Batch to Placement time in minutes 2000.1.1.0 Concrete Summary Report Project: Location: Contractor : Supplier: Project No. Day/Date: Client: Weather / Temp: Page 2 No.Ticket No. Truck No. CY Concrete Truck Cum Batch Time Truck Time Arrive Finish Slump % Air Concrete Temp. Water Added Location and Remarks Tohatsu 6710-A NEC Bethel Road and Freeport Parkway Coppell, - Dallas County - TX 75019- 05/10/2016 Duke Realty Sunny / 91 Duke Realty LMC Mix Designation:1418 Mix Strength:3500 psi Design Strength:3500 psi B to P min. 13 3032 64406316 9.0 117.0 07:59 08:41 09:04 1065 14 5033 64406314 9.0 126.0 08:05 08:46 09:10 5.5065 * Location:By:Milton E. PerezSlab on Grade, Pour 1 ECS Texas, LLP WO:61890 * B to P - Batch to Placement time in minutes 2000.1.1.0 Concrete Summary Report Project: Location: Contractor : Supplier: Project No. Day/Date: Client: Weather / Temp: Page 3 No.Ticket No. Truck No. CY Concrete Truck Cum Batch Time Truck Time Arrive Finish Slump % Air Concrete Temp. Water Added Location and Remarks Tohatsu 6710-A NEC Bethel Road and Freeport Parkway Coppell, - Dallas County - TX 75019- 05/10/2016 Duke Realty Sunny / 91 Duke Realty LMC Mix Designation:1418 Mix Strength:3500 psi Design Strength:3500 psi B to P min. 15 7017 64406320 9.0 135.0 08:18 09:00 09:16 58 16 1373 6440315 9.0 144.0 08:11 09:00 09:20 5.00 1569 17 5027 64406322 9.0 153.0 08:24 09:04 09:26 562 18 7054 64406321 9.0 162.0 08:25 09:04 09:40 5.00 2575 19 9168 64406329 9.0 171.0 08:49 09:20 09:43 1054 20 1425 64406328 9.0 180.0 08:45 09:22 09:45 5.2560 21 5013 64406330 9.0 189.0 08:53 09:22 09:55 62 22 1416 64406346 9.0 198.0 09:45 10:25 10:50 *5.00 1.80(P)8865 23 1410 64406347 9.0 207.0 09:52 10:29 10:47 55 24 9161 64406348 9.0 216.0 09:59 10:31 10:47 4.5048 25 7035 64406349 9.0 225.0 10:04 10:50 11:09 1565 26 7060 64406352 9.0 234.0 10:11 10:54 11:15 5.0064 * Location:By:Milton E. PerezSlab on Grade, Pour 1 ECS Texas, LLP WO:61890 * B to P - Batch to Placement time in minutes 2000.1.1.0 Concrete Summary Report Project: Location: Contractor : Supplier: Project No. Day/Date: Client: Weather / Temp: Page 4 No.Ticket No. Truck No. CY Concrete Truck Cum Batch Time Truck Time Arrive Finish Slump % Air Concrete Temp. Water Added Location and Remarks Tohatsu 6710-A NEC Bethel Road and Freeport Parkway Coppell, - Dallas County - TX 75019- 05/10/2016 Duke Realty Sunny / 91 Duke Realty LMC Mix Designation:1418 Mix Strength:3500 psi Design Strength:3500 psi B to P min. 27 9101 64406350 9.0 243.0 10:10 10:55 11:20 70 28 3032 64406351 9.0 252.0 10:06 10:58 11:38 *5.00 092 * Location:By:Milton E. PerezSlab on Grade, Pour 1 ECS Texas, LLP WO:61890 * B to P - Batch to Placement time in minutes 2000.1.1.0 Concrete Summary Report Project: Location: Contractor : Supplier: Project No. Day/Date: Client: Weather / Temp: Page 5 No.Ticket No. Truck No. CY Concrete Truck Cum Batch Time Truck Time Arrive Finish Slump % Air Concrete Temp. Water Added Location and Remarks Tohatsu 6710-A NEC Bethel Road and Freeport Parkway Coppell, - Dallas County - TX 75019- 05/10/2016 Duke Realty Sunny / 91 Duke Realty LMC Mix Designation:1418 Mix Strength:3500 psi Design Strength:3500 psi B to P min. 29 7044 64406360 9.0 261.0 10:54 11:26 11:54 4.75 560 30 5007 64406363 9.0 270.0 10:58 11:31 11:54 56 31 9161 64406374 9.0 279.0 11:27 11:50 12:20 *5.00 8953 32 3011 64406372 9.0 288.0 11:25 12:00 12:18 1053 33 3021 64406377 9.0 297.0 11:48 12:11 12:32 5.25 544 34 1118 64406380 9.0 306.0 12:06 12:45 01:00 54 35 5013 64406384 9.0 315.0 12:22 01:03 01:28 5.0066 36 9105 64406388 9.0 324.0 12:46 01:27 01:52 66 37 7054 64406396 9.0 333.0 01:16 01:50 02:19 5.5063 38 7017 64406394 9.0 342.0 01:09 02:00 02:22 73 39 5033 64406403 9.0 351.0 01:53 02:42 03:03 5.2570 40 1410 64406413 9.0 360.0 02:18 02:54 03:05 47 * Location:By:Milton E. PerezSlab on Grade, Pour 1 ECS Texas, LLP WO:61890 * B to P - Batch to Placement time in minutes 2000.1.1.0 Concrete Summary Report Project: Location: Contractor : Supplier: Project No. Day/Date: Client: Weather / Temp: Page 6 No.Ticket No. Truck No. CY Concrete Truck Cum Batch Time Truck Time Arrive Finish Slump % Air Concrete Temp. Water Added Location and Remarks Tohatsu 6710-A NEC Bethel Road and Freeport Parkway Coppell, - Dallas County - TX 75019- 05/10/2016 Duke Realty Sunny / 91 Duke Realty LMC Mix Designation:1418 Mix Strength:3500 psi Design Strength:3500 psi B to P min. 41 7006 64406414 9.0 369.0 02:23 03:00 03:19 5.2556 42 0000 00000000 9.0 378.0 02:37 03:18 03:43 66 * Location:By:Milton E. PerezSlab on Grade, Pour 1 ECS Texas, LLP WO:61890 * B to P - Batch to Placement time in minutes 2000.1.1.0 ECS TEXAS, LLP Test Method ASTM Nuclear Project No: Contractor: Project Name:Date: Client: Page 1 Technician: Nuclear Gauge No. Make Model Ser. No. Density Std Moisture Std 6710-A Tohatsu 05/10/16 Duke Realty Duke Realty Milton E. Perez 66373 Nuclear 3430 3430 2009 636 Field Compaction Summary, ASTM Nuclear Description Proctor Method Uncorrected Max. Density Uncorrected Opt. MCSample No. D4S-4 Clayey SAND, Dark Gray ASTM D 698-12 Method A Standard 118.40 12.00 D4S-5 Clayey SAND, Light Brown ASTM D 698-12 Method A Standard 116.70 11.40 D4S-6 Sandy Fat CLAY, Light Gray ASTM D 698-12 Method A Standard 105.70 18.10 Test Data Test No. Test Mode Station / Location Probe Depth (in.) Lift / Elev Corrected Maximum Dry Density (pcf) Corrected Optimum Moisture Content (%) % Oversize Wet Density (pcf) Dry Density (pcf) Moisture Content (%) Percent Comp. (%)CommentsP / F Sample No. 1 DT 6 Electrical Line SG-6"0.00 116.70 11.40 130.2 111.7 16.6 95.7 P Retest from 5/09D4S-5 2 DT 6 Electrical Line SG-6"0.00 116.70 11.40 132.9 115.6 15.0 99.1 P Retest from 5/09D4S-5 3 DT 6 Sanitary Sewer Line, SS-1B, STA 0+50 SG-4'6 " 0.00 116.70 11.40 130.4 111.7 16.7 95.7 PD4S-5 4 DT 6 Sanitary Sewer Line, SS-1B, STA 0+50 SG-4'0.00 116.70 11.40 130.2 111.6 16.6 95.6 PD4S-5 5 DT 6 Sanitary Sewer Line, SS-1B, STA 0+50 SG-3'6 " 0.00 116.70 11.40 130.6 112.7 15.8 96.6 PD4S-5 6 DT 6 Sanitary Sewer Line, SS-1B, STA 0+50 SG-3'0.00 116.70 11.40 130.8 111.9 16.8 95.9 PD4S-5 7 DT 6 Sanitary Sewer Line, SS-1B, STA 0+50 SG-2'6 " 0.00 105.70 18.10 124.0 102.0 21.5 96.5 PD4S-6 8 DT 6 Sanitary Sewer Line, SS-1B, STA 0+50 SG-2'0.00 105.70 18.10 126.4 104.1 21.5 98.5 PD4S-6 9 DT 6 Sanitary Sewer Line, SS-1B, STA 0+50 SG-1'6 " 0.00 105.70 18.10 128.8 104.9 22.8 99.2 PD4S-6 10 DT 6 Sanitary Sewer Line, SS-1B, STA 0+50 SG-1'0.00 116.70 11.40 130.8 112.0 16.8 96.0 PD4S-5 11 DT 6 Sanitary Sewer Line, SS-1B, STA 0+50 SG-6"0.00 116.70 11.40 130.7 111.5 17.2 95.5 PD4S-5 Test Mode: DT = Direct Transmission BS = Back Scatter WO:61890 ECS TEXAS, LLP Test Method ASTM Nuclear Project No: Contractor: Project Name:Date: Client: Page 2 Technician: Nuclear Gauge No. Make Model Ser. No. Density Std Moisture Std 6710-A Tohatsu 05/10/16 Duke Realty Duke Realty Milton E. Perez 66373 Nuclear 3430 3430 2009 636 Field Compaction Summary, ASTM Nuclear Test Data Test No. Test Mode Station / Location Probe Depth (in.) Lift / Elev Corrected Maximum Dry Density (pcf) Corrected Optimum Moisture Content (%) % Oversize Wet Density (pcf) Dry Density (pcf) Moisture Content (%) Percent Comp. (%) P / F Sample No. Comments 12 DT 6 Sanitary Sewer Line, SS-1B, STA 0+50 SG 0.00 116.70 11.40 131.7 112.9 16.7 96.7 PD4S-5 13 DT 6 Sanitary Sewer Line, SS-1B, STA 1+00 SG-4'6 " 0.00 116.70 11.40 131.2 111.6 17.6 95.6 PD4S-5 14 DT 6 Sanitary Sewer Line, SS-1B, STA 1+00 SG-4'0.00 116.70 11.40 131.9 113.1 16.6 96.9 PD4S-5 15 DT 6 Sanitary Sewer Line, SS-1B, STA 1+00 SG-3'6 " 0.00 116.70 11.40 131.5 112.8 16.5 96.7 PD4S-5 16 DT 6 Sanitary Sewer Line, SS-1B, STA 1+00 SG-3'0.00 105.70 18.10 125.1 102.8 21.6 97.3 PD4S-6 17 DT 6 Sanitary Sewer Line, SS-1B, STA 1+00 SG-2'6 " 0.00 105.70 18.10 123.9 102.3 21.1 96.8 PD4S-6 18 DT 6 Sanitary Sewer Line, SS-1B, STA 1+00 SG-2'0.00 116.70 11.40 130.9 111.3 17.6 95.4 PD4S-5 19 DT 6 Sanitary Sewer Line, SS-1B, STA 1+00 SG-1'6 " 0.00 118.40 12.00 130.8 112.9 15.8 95.4 PD4S-4 20 DT 6 Sanitary Sewer Line, SS-1B, STA 1+00 SG-1'0.00 116.70 11.40 130.2 111.1 17.1 95.2 PD4S-5 21 DT 6 Sanitary Sewer Line, SS-1B, STA 1+00 SG-6"0.00 116.70 11.40 131.5 113.7 15.6 97.4 PD4S-5 22 DT 6 Sanitary Sewer Line, SS-1B, STA 1+00 SG 0.00 116.70 11.40 131.0 111.3 17.6 95.4 PD4S-5 23 DT 6 Electrical SG -2'0.00 105.70 18.10 124.9 102.2 22.3 96.7 P Retest from 5/06D4S-6 Test Mode: DT = Direct Transmission BS = Back Scatter WO:61890