CRDC1401- LR160419 (3)
2424 STUTZ DR. SUITE 400 DALLAS, TX 75235 TEL [214] 350 5600 FAX [214] 350 0019
CONCRETE CYLINDER TEST REPORT
Denton Tap Streetscape
Denton Tap Road and Sandy Lake Road
Coppell, Texas
REPORTED TO: City of Coppell
265 E. Parkway Boulevard
Coppell, Texas 75019
ATTN: Mr. George Marshall
REPORT NO. 29
REG PROJECT NO. 20819
SAMPLE DATE: 04-19-16
TECHNICIAN: W. Gibson
PAGE: 1 of 1
Location of Sample
Set Number Location Quantity Represented (c.y.)
1 Retaining wall: Denton Tap Road, STA 7+50 10/20
Design Information
Source of Concrete Mix Identification Specified Strength (psi)
Martin Marietta 8274 3000
Test Results
Set
No.
Cylinder
ID
Date Tested
Age @
Test
Total Load
(lbs.)
Compressive
Strength (psi)
Average Strength
(psi)
1 7379 04-26-16 7 52040 4140
7379 05-17-16 28 70460 5610
7379 05-17-16 28 60520 4820
7379 05-17-16 28 62500 4970 5130
7379 Hold H
Cylinder Data
Set
No.
Cylinder
ID
Slump
(inches)
Time of
Sample
Air
Temp.
(°F)
Concrete
Temp.
(°F)
Air
Entrainment
(%)
Unit
Weight
(lbs/ft3)
Ticket
Number
1 7379 4.5 11:14 AM 85 82 4.1 147.4 3294186
Note: (1) Concrete was sampled in accordance with ASTM C-31
(2) Concrete cylinders were tested in accordance with ASTM C-39
E-Mail
Distribution: (1) City of Coppell/Mr. George Marshall
(1) City of Coppell/Mr. Marcus Marion
(1) City of Coppell/Ms. Michelle Matunas
(1) Pavecon/Mr. Michael Beattie
Submitted by:
REED ENGINEERING GROUP, LTD.
Registration Number F-3114
Cary Tipps
Project Manager, CMT
CT/cn