Duke Lesley-LR070519 (2)
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Rone Engineering
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Client:
Duke Construction, LP
14241 Dallas P,!{wy, Ste 1000
Dalfas, TX 75254-2936
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A.
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8908 Amb~ssador Row, Oarla~, TX 75247
n01 W Little York, Ste 600, I-!ouston, TX 711140
4421 Freidrlch, Ste 195, Austin, TX 18744
Corporate Phone: (214) 630.9745
Report of Concrete Compressive Strength Tes1
Report No.: 283734
Project No.: 0612510
Date of Service: 04/04/2007
Report Date: 05/19/2007
Project; Lesley Infrastructure
Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples ano bring sample~
back to the laboratory for curing and testing in accordance with applicable standards.
PROJECT DATA
Contractor:
Concrete Supplier: LMC
Plant: 7
Specification Requirements
Strength: 4,000 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 3% - 6%
Test Method: ASTM C-172
ASTM C-31 (except 101,2)
ASTM C-'i43
ASTM C-231
ASTM C-1 064
ASTM C-138
ASTM C-39
Mix Design 1.0.: 1701
Placement Date: 04/04/2007
Weather Conditions: Clear
Time Sampled: 03:35pm
Temperature - Air: 670F
Truck No; 959
Air Content: 4 7%
Overall Placement Location:
~:;h~~~,~~:)"lh '<om telePh"/1 r;."" cm;' ~,' b""dio9 (Powe, w"
~..~~~e,~ation; r J t~ I "0 7
Batch time: 03~06pm
Concrete: 710F
Ticket No: 7177218
Unit Weight (pet): NA
Measured
Slump
(inches)
3.5
REPORT OF TESTS
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Concrete Compressiv8 Cylinder 6" x 12"
Cylinder Maximum Compressive
Jarkeli_ Date Age Diameter Area Load Strength Fracture
Set No. Tested (days) (in) (inZ) (Ibs) (psi) Type
1 1 04/11/2007 7 6.00 28-27 145,940 5,160 Unbonded Cap
1 2 05/02/2007 28 6.00 28.27 180,290 ( B 380J Unhonded Cap
1 3 05/02/2007 28 6.00 2827 178,470 6,310 Unbonded Cap
Average 6,340
4 05/30/2007 56 6.00 28.27 198,250 7,0'10 Unbonded Cap
l'
Technician: f~yan Rawlinson
Report Distribution:
Or19: Duke Const~ctJon, lP (Dallas, TX)
Attn: Mr. AJex Sennett PE (1-ec co
04:30pm Rone Engineering
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K, Scott Watson, AET
Project Manager
!..irvlJTA r/Of\S Th~ :"st '~~ulls P:I'lSenteil' her""m wee", prepar",d based Upon the specific samples prOVided for leslir;g. We ass "me no Tespon~lbilily for variation In quality
{co:npos':,:;lr1, dp;:>eara~ce, etc.) 0' any "trier feature of sIm'I3r s:;~)ect matter provided by I'er.:;ons or co'ldltions over vm;ch we hove fIo control Our letters and reports are
'''1 :il~ e;(c~usv~ \;se Of tt-,e clients to whom they ar~ (lddre~~ and "hall not be reproducM e;o:;cept in fullwith"ut the wntt<::/'l approval QI Rone ;;:"JI/'lee:nng Services, Ltd,
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