Freeport NIP(7.9)-CS020619TO: City of Coppell
Attn: Larry Davis
Construction Inspector
WE ARE SENDING YOU:
SHOP DRAWINGS PRINTS
COPY OF LETTER
6"1
UKE CONSTRUCTION
COPIES
1
DATE
May 29 2002
June 07, 2002
NO.
DESCRIPTION
CalHar Utility Construction Trench Safety Plan
Engineer Approved Concrete Paving Mix Designs
ACTION
THESE ARE TRANSMITTED AS CHECKED BELOW:
A. Reviewed
D. Rejected
cc: Job File (1)
n B. Make corrections as noted
Signed: Mike Cox. Proiect Superintendent
5495 Belt Line Road, Suite 360 Dallas, TX 75254
Phone: 972 361 -6700 Fax: 972 361-6800
CHANGE ORDER
SAMPLES
E. Resubmit copies for approval
n G Return corrected prints n H For approval
n J. For your estimating use n K. For review and comment
ro/
SPECIFICATIONS
C. Returned for corrections
F. Submit copies for
distribution
I. For your files and /or job use
n L. Other (see below)
REMARKS
Per your request
06/07/2002 09:12
9726473777
U -Lime
Freeport N. Freeport Copper
Mix 8273
Description: 5.50SK AD
Strength: 4000 psi 2
PAVING
Maximum Size Coarse Ag
Maximuro Water /Cement
Cement/Cementitious Cont
Maximum Placement Slump
Aix Entraining Agent:
Admixture:
MATERIAL QUANTITIES
517 lbs. ASTM C 150
1840 lbs. 1" #4 CRUS
13121bs. CONCRETE
258 lbs. or 31.0 Gallo
2.0 to 4.0 oz/cwt of
Specified Air Content: 3.0
Placement Slump: 4.00
AEA 1 "CS
Days Ika■
gate:
tio:
t:
1" #4 CRUSHED STONE
0.499 Ibs/lb
5171bs (per cubic yard)
5.00 inches
ASTM C -260
ASTM C -494 Type A or D
ER 1.0 CUBIC YARD AT S.S.D
E I/II CEM TT
STONE
of Water''
STM C-494 Type A ow
e 6.0%
1.00 inches
TXI QUALITY CONTROL
PAGE 05
06/07/2002 09:12
9726473777
COMMENTARY OF STATIS ICAL EVALUATION OF CONCRETE DESIGN RESULTS
Mix Nvm:8273 Strength: 4000 psi Q 28 Days
Paragraph 5.5 of AC
available during co
exceed the specifie
(a) 30 or more tes
test results e
using a standa
with Section 5
(b) 15 to 29 test
results exceed
a standard de
Section 5.3.1.
The required average c
using a standard devia
ACT 318 -89 Section 5.3
value of these calcula
F'cr F'
40
46
F'cr F'
40
46
Number of Tests
Maximum Value
Minimum Value
Range
Average Strengt
Standard Deviat
Required Averag
minimum probabi
ACI 318 -99 Sect
Design excess b
318 -99 provides that as data becomes
struction, the amount by which (F'cr) must
value of (F'c) may be reduced, provided:
results are available and average of
ceeds that required by Section 5.3.2.1,
d deviation calculated in accordance
3.1.1, or
esults are available and average of test
that required by Section 5.3.2.1, using
iation calculated in accordance with
mpressive strength has been calculated
ion calculated in accordance with
1.1 or Section 5.3.1.2 and is the larger
ions:
1.34 (SD)
0 1.34( 476)
8
TXI QUALITY CONTROL
2.33(SD) 500
0 2.33( 476) 500
0
Y OF STATISTICAL ANALYSIS
28 Day Test Data
30
5610 psi
4070 psi
1540 psi
4667 psi
on 476 psi
Strength to satisfy
ity conditions of
on 5.3 2 1 4638 psi
yond code requirements 29 psi
PAGE 11
06/07/2002 09:12
Dote: 06/07/02
Test Plant
Number Date Number
9726473777
Temperature
(Fahrenheit)
Ambient Concrete
TXI QUALITY CONTROL
TEXas INDDBTRIES
CONCRETE aa•8IG11 EVALUATION
►r $tats ca Compiled from raAepeadeot Laboratory Teat Npee a4
18273 Strength: 4000 poi 8 28 Days
Placement Percent
Blumpfin) or Air
2BDay rent Data
28 Day
PSI 1 PSI 2 P82 AVG
Cumulative Moving
Average Avg of 3
PAGE 10
Range
1 09/17/01 12 91 84 4.50 5.04 4720 4570 4645 4645 150
2 09/17/01 12 83 85 5.00 4.54 4600 4880 4740 4693 280
3 09/17/01 12 70 63 4.50 4.94 4200 4020 4110 4498 4498 180
4 09/20/01 82 87 4.76 3.11 4200 4300 4250 4436 4367 100
5 09/20/01 82 87 5.25 3.31 4310 4300 4305 4410 4222 10
6 09/20/01 35 76 81 4.80 4.54 4610 4670 4640 4446 4398 40
7 09/25/01 32 59 74 6.00 4.34 4230 4310 4270 4423 4405 80
5 09/25/01 32 58 75 5.00 4.34 4680 4680 4680 4455 4530 0
9 09/26/01 38 7Q 89 4.00 4.54 5100 4990 5045 4521 4665 110
10 09/28/01 38 86 85 6.60 N/A 4140 4000 4070 4476 4598 140
11 09/28/01 31 61 76 6.50 5.53 4550 4390 4470 4475 4528 160
12 09/28/01 31 63 50 6.75 5.54 4330 4210 4270 4455 4270 120
13 09/28/01 31 60 78 6.00 6.03 4550 4690 4570 4467 1437 40
14 09/28/01 31 82 87 5.00 N/A 4580 4590 4585 4475 4475 10
15 10/05/01 76 80 5.00 2.81 4180 4260 4220 4458 4458 60
16 10/08/01 31 71. 77 5.00 4.54 6390 5430 5410 4518 4736 40
17 10/05/01 31 74 77 6.00 4.41 5580 5490 5535 4577 5055 90
18 10/08/01 31 62 74 6.25 4.34 4350 4130 4240 4559 5062 220
19 10/09/01 40 69 51 5.00 N/A 4940 5010 4976 4681 4917 70
20 10/09/01 40 68 79 4.75 5I/A 5350 5330 5340 4619 4852 20
21 10/19/01 31. 61 71 4.50 4.54 5320 5220 5270 4650 6195 100
22 10/25/01 76 85 5.00 4.14 5250 5180 5215 4675 5275 70
23 11/07/01 4.75 5.54 4010 4170 4090 4450 4858 160
24 11/07/01 75 5.00 5.21 4390 4120 4255 4633 4520 270
25 12/08/01 32 66 75 5.00 5.54 4600 4640 4620 4633 4322 40
26 01/17/02 42 40 62 5.50 5.1t 4250 4150 4200 4616 4355 100
27 01/17/02 42 37 61 4.25 4.54 5260 5500 5350 4644 4733 240
28 01/17/02 42 37 62 5.00 5.24 4440 4420 4430 4637 4670 20
29 01/17/02 42 36 62 3.00 5.21 5530 5690 5610 4670 5140 160
30 01/21/02 43 34 81 5.25 5.14 4570 4580 4575 4667 4872 10
Averages *i4 65 77 5.12 4.74