CF-Coppell Rd SC-LR021007Hooper Engineering Laboratories, Inc.
Construction Materials Testing
CORING AND DENSITY TESTS OF IN-PLACE ASPHALT
CLIENT: Texas Unified Constructors, Inc. DATE:
PROJECT: Field Service Offices & Maintenance Facility JOB NO.:
Coppell, TX
SAMPLES: 4.00" diameter cores were taken by a representative of Hooper
Engineering Laboratories, Inc. on 10/7/02 from five locations.
METHOD OF TEST: ASTM C42
UNIT WEIGHT OF LAB. PATTY: 148.2 pcf (A) Surface and 151.5 pcf (B) Base
REQUIRED DENSITY: Min. 92% of Lab. Unit Weight
REQUIRED DEPTH: 2" (A) and 3" (B)
7 October 2002
01.1054
In-Place % Of
Core No. Core Length Unit Weight Lab. Unit Weight
lA 2.8" 140.9 pcf 95.1
lB 3.4" 146.3 pcf 96.6
2A 2.7" 138.3 pcf 93.3
2B 3.6" 146.5 pcf 96.7
3A 2.2" 140.3 pcf 94.7
3B 3.0" 145.5 pcf 96.0
4A 2.1" 141.1 pcf 95.2
4B 2.4" 145.1 pcf 95.8
5A 2.8" 141.7 pcf 95.6
5B 4.0" 147.7 pcf 97.5
LOCATIONS:
Core No. lA & 1B - NW parking area, approx. 63' N of entry drive & 78' E of W curbline
Core No. 2A & 2B - SW parking area, approx. 58' S of entry drive & 45' E of W curbline
Core No. 3A & 3B - E (back) parking area, approx. 24' N of S edge & 27' W of E edge
Core No. 4A & 4B - E (back) parking area, approx. 180' N of S edge & 22' W of E edge
Core No. 5A & 5B - E (back) parking area, approx. 75' S of N edge & 25' W of E edge
TECHNICIAN:
DISTRIBUTION:
RJW (l:00pm-4:00pm)
(3) City of Coppell
(1) Vidaud & Associates
(1) Texas Unified Constructors, Inc.
(1) Doyle Engineering Group
2870 Walnut Hill Lane Dallas, Texas 75229 (214) 351-6419 Fax (214) 351-5148