Duke Lesley-LR070630
Rone Engineering
.
Client
Duke Construction, LP
14241 Dallas Pkwy, Ste 1000
Dallas, TX 75254-2936
8908 Ambassador Row, DaIlBS. TX 7524 i
7701 W Little York, SIll aoo, HOuston, TX 170"0
4421 l"rcidrich. Stll19S, Austin, TX 787M
Corporate ~hOM: (214) 630-974S
Report of Concrete Compressive Strength Tesl
Report No.: 286734
Project No.: 0612510
Date of Service: 05/05/2007
Report Date: 06/30/2007
Project: Lesley Infrastructure
Services; Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring sampll:l~
back to the laboratory for curing and testing in accordance with applicable standards.
PROJECT DATA
Contractor:
Concrete Supplier: LMC
Plant: 5
Specification Requirements
Strength: 4.200 pSI @ 28 days
Slump (in.): 4.0" - 6.0"
Air ('%): f'.JA
Test Method: ASTM C-17?
ASTM C-31 (except 101 2)
ASTM C-143
ASTM C-231
ASTM C-1 064
ASTM C138
ASTM C-39
Mix Design I.D.: 1701
Placement Date: 05/05/2007
Weather Conditions: Drizzle
Time Sampled: 11 :30am
Temperature - Air: 750F
Truck No: 7058
Air Content: NA
Overall Placement Location:
Junction box lids.
Batch time: 1028am
Concrete: 820F
Ticket No: 6304228
Unit Weight (pef): NA
Measured
Slump
(inches)
4.0
Sample location:
Station #12-93.72 and 6+50. all at line B Station #(1+00 at IrneE.
REPORT OF TESTS
Concrl:lte Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Mar.!s.~c:I___ Date Age Diameter Area Load Strength Fracture
Set No. Tested (days) (in) (in') (Ibs) (psi) Type
1 1 05/12/2007 7 6.00 28.27 92,960 3,290 Unbonded Cap
'j 2 06/02/2007 28 6.00 28.27 122,580 4,340 Unbonded Cap
3 06/02/2007 28 6.00 28.27 126,630 4,480 Un bonded Cap
Average 4,410
.a. 06/30/2007 56
Rone Engineering
s" RepOrt 286732 r" ""'0;0," 'me ~ ~~
~.~
K. Scott Watson, AET
Project Manager
Remarks: Water Added at Site' 10 gallons
Technician: Denny Hams
Report Oistribution:
Om]: DUk,", Construction. LP (Dallas, TX)
.Ll.ttn: Mr. Alex Bennett PE (1-cc copy)
L1Mi T ATIQNS The rest resultlO prE;l$enteo herein were p~p~red belOed upon the :lpeci/ic sam;JI,,;!; proViClsd fOr te<>~;ng. We assume no respo~sibilitl' for variation in q~aliiy
',COIl"posltlon, "ppearance, e~c ) or ~ny other f/;'atu'e of similar subject matter provideo by persons or conditions OVer which we h<;lve 110 control. Our lettcsrs and repo:ts <;lre
for the e"cl~slv" use of the cJien~ to whom th",y are adjressed and shall not be reproduced except in full without the written approv<ll Of Rone Englnecsring Services, Lto.
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