Round Oak-LR 940815reed engineering
GEOTECHNICAL CONSULTANTS
August 15, 1994
Project No. 1779.1
Report No. 1
Papagolos Development & Murchison Properties, Inc.
16250 Dallas Parkway
Dallas, Texas 75244
ATTN: Mr. John Papagolos
Re:
Construction Materials Testing
Round Oak Estates
Coppell Texas,
Gentlemen:
Submitted here are the results of testing and observation of
construction materials at the referenced project. This report
addresses the activities for the period of June 9 through July 27,
1994.
On June 9, 1994 three samples of the natural subgrade were obtained
and returned to the laboratory for development of optimum moisture-
density relationships (Standard Proctor Curves). Test results are
attached as Plates 1 through 3.
During the period of June 21 through 24, 1994, a total of 20 field
density tests were taken on the fill placed with Sanitary Sewer Line
A, the eight-inch water line and the storm sewer lines. Test results
are summarized on Plate 4. Where tested, materials were found to be
in compliance with project specifications.
On July 5, 1994, a representative of our firm evaluated the paving
subgrade and obtained two representative samples of subgrade
materials. The samples were returned to the laboratory and lime
series tests were performed. Test results are summarized on Plate 5.
Based on the test results and the City of Coppell requirements, it
was recommended that the paving subgrade be stabilized with six
percent commercial hydrated lime (27 pounds per square yard).
On July 25, 1994, gradation of the soil lime mixture was checked.
Test locations and results are shown on Plate 6. Based on the
gradation results, the subgrade was approved for compaction..
Standard Proctor compaction tests were performed on two
representative samples of the soil-lime mixture. Test results are
shown on Plates 7 and 8.
2424 STUTZ DRIVE · SUITE400 · DALLAS, TEXAS75235 · 214/350-5600 · (FAX) 214/350-0019
Papagolos Development & Murchison Properties, Inc.
Project No. 1779.1/Report No. 1
August 15, 1994
Page 2
On July 27, 1994, field density test were performed on the compacted
lime treated subgrade. Test results are summarized on Plate 9.
Where tested, compaction levels exceeded 95% Standard Proctor
density, with moisture contents within two percentage points of
optimum.
If you have any questions, do not hesitate to call.
Sincerely,
~Ronald F. Reed
BES/RFR/msm
copies submitted:
(1)
Papagolos Development Co. and Murchison
Properties, Inc./Mr. John Papagolos
City of Coppell/Mr. Garreth D. Campbell, Sr.
(1)
Nathan D. Maier Consulting Engineers, Inc./
Mr. Mike Daniel
(1) Austin Bridge & Road, Inc./Mr. Terry Tice
(i)
Cullum Construction Company/
Mr. Phillip Cullum
reed engineering
108
106
104
102
13 15 17 19 21
Moisture Content (%)
Standard Proctor Compaction Test No. 1
25 blows per each of 3 layers, with5.5 pound hammer
and 12 inch drop using 4 inch diameter mold
Test performed on minus #4 Sieve size material
Boring No. -- Location Round Oak Estates
Coppell, Texas
Depth - Sample No. __
Classification Dark §rayish brown sandy clay
Liquid Limit % Maximum Unit
Plastic Limit % Dry Weight 107.9 pcf
Plasticity Index Optimum
Moisture Content 17.4
OPTIMUM MOISTURE DENSITY CURVE
GEOTECHNICAL CONSULTANTS .
PLATE i
reed engineering
113
111
109
107
105
103
11 13 15 17 19
Moisture Content (%)
Standard Proctor Compaction Test No. 2
25 blows per each of 3 layers, with 5.5 pound hammer
and 12 inch drop using 4 inch diameter mold
Test performed on minus #4 Sieve size material
Boring No. -- Location Round Oak Estates
Depth - Sample No. __
Classification
Coppell, Texas
Liqht qra,yish brown sandy clay
Liquid Limit % Maximum Unit
Plastic Limit % Dry Weight 111.6 pcf
Plasticity Index Optimum
Moisture Content 15.4
OPTIMUM MOISTURE DENSITY CURVE
GEOTECHNICAL CONSULTANTS ·
PLATE 2
engineering
114
112
110
108
106
104
11 13 15 17 19
Moisture Content (%)
Standard Proctor
25
and 12 inch drop using
Test performed on minus
Boring No. -- Location
Compaction Test No. 3
__ blows per each of 3 layers, with 5.5 pound hammer
4 inch diameter mold
#4 Sieve size material
Round Oak Estates
Depth - Sample No. __
Classification
Coppell, Texas
Gray and brown sandy clay
Liquid Limit % Maximum Unit
Plastic Limit % Dry Weight ! ! 3.8 pcf
Plasticity Index Optimum
Moisture Content 14.5 %
OPTIMUM MOISTURE DENSITY CURVE
GEOTECHNICAL CONSULTANTS ·
13,1 ATE' '~
reed engineering
ROUND OAK ESTATES
COPPELL, TEXAS
REPORT NO. i
Date
06-21-93
06-23-94
06-24-94
Field Density Tests
Utility Trench Backfill
Test Line No./
No, Station
Depth
Below Unit
Final Dry
S.G. Weight
(feet) (pcf)
1 A/1+40
2 A/3+00 2
3 8" Water/3+25(1) 1
4 8" Water/2+25(1) 1
5 8" Water/l+50(1) 1
6 A/2+20 1
7 A/4+50 1
8 8" Water/4+75(1) 1
9 A/9+00 2
10 A/9+00 1
11
12
2 5
0
2
2
0
0
5
5
5
0
A/7+00
A/Lateral to
Lot 2
13 A/Lateral to
Lot 4
14 A/3+00
15 A/Lateral to
Lot 9
16 8" Water/
Service to
Lot 17
17 8" Water/
Service to
Lot 20
18 8" Water/
Service to
Lot 26
19 A-2/0+75
20 B-1/2+80
105 6
110 4
114 7
112 1
103 7
109 3
113 3
114 7
98 5
103 0
103 3
Com-
pac-
Moisture tion
Content Curve Level
(%) NO, (%)
2.5
1.5 106.0 16.8 2 95.0
3 . 0 102 . 5 19 . 3 1 95 . 0
3 . 0 110 . 5 15 . 0 3 97 . 1
2.5 103.7 17.5 1 96.4
14.9 1 97.9
13.0 2 98.9
13.2 2 102.8
15.8 1 103.9
19.4 1 96.1
14.3 1 101.3
13.8 3 99.6
13.6 3 100.8
23.7 1 95.3A
18.9 1 95.5
18.4 1 95.7
1.0 104.2 18.8 1 96.6
1.5 102.5 19.0 i 95.0
1.5 105.5 17.8 1 97.8
0.4 105.7 17.6 1 98.0
0.4 106.0 18.0 2 95.0
Footnotes:
(1)
Test locations are referenced using paving
stations.
GEOTECHNICAL CONSULTANTS '
PLATE 4
reed engineering
ROUND OAK ESTATES
COPPELL, TEXAS
REPORT NO. i
Sample
No.
1
S11~ of Laboratory Test
Lime Services - Round Rock Drive
Lime Liquid Plastic
Location Description Added(%) Limit(%) Limit(%)
8+90 Dark Brown
Sandy Clay
Plasticity
Index(%)
2+20 Light Brown
Sandy Clay
39 16 23
4 40 31 9
6 36 29 7
8 38 28 10
- - - 31 14 17
4 31 25 6
6 31 26 5
8 33 27 6
PLATE 5
GEOTECHNICAL CONSULTANTS
reed engineerin, g
ROUND OAK ESTATES
COPPELL, TEXAS
REPORT NO. I
Location
STA 2+00
STA 4+00
STA 6+00
STA 8+00
Field Gradation Test
% Passing
1-3/4" Sieve
100
100
100
100
% Passing
#4 Sieve
7O
65
60
65
PLATE 6
GEOTECHNICAL CONSULTANTS
reed eng!neeri .ng
94
92
9O
88
86
21 23 25 27 29
Moisture Content (%)
Standard Proctor Compaction Test No. 4
25 blows per each of 3 layers, with 5.5 pound hammer
and 12 inch drop using 4 inch diameter mold
Test performed on minus #4 Sieve size material
Boring No. -- Location Round Oak Estates
Coppell, Texas
De~h-Sample No.__
Classificaion Liqht brown lime treated
clay with trace of sand
Liquid Limit % Maximum Unit
Plastic Limit % Dry Weight 93.4 pcf
Plasticity Index Optimum
Moisture Content 25.4 %
OPTIMUM MOISTURE DENSITY CURVE
GEOTECHNICAL CONSULTANTS ,
PLATE :7
reed engineerin, g
96
94
92
9O
88
86
20 22 24 26 28 30
Moisture Content (%)
Standard Proctor Compaction Test No.
25 blows per each of 3 layers, with
and 12inch drop using 4 inch diameter mold
Test performed on minus #4 Sieve size material
Boring No. -- Location Round Oak Estates
Coppell, Texas
5.5pound hammer
Depth - Sample No._
Classification Dark grayish-brown lime treated clay with trace of sand
Liquid Limit % Maximum Unit
Plastic Limit % Dry Weight 95.0
Plasticity Index Optimum
Moisture Content 24.2
OPTIMUM MOISTURE DENSITY CURVE
GEOTECHNICAL CONSULTANTS
PI JITF .,O,