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Vista Point II-LR041202GEOTECHNICALAND ~ F:~ I'--I I I I:~ ENVIRONMENTAL CONSULTANTS REPORT OF FIELD DENSITY TESTS Vista Point II, Phase I Highway 121 and MacArthur Boulevard Coppell, Texas REPORTED TO: Cadence McShane, Corporation 14860 Montfort Drive, Suite 270 Dallas, Texas 75254 ATTN: Mr. Brandon Perdue CONTRACTOR: Cadence McShane Corporation REPORT NO. 9 REPORT DATE: 12-02-04 REG PROJECT NO. 11685 TECHNICIAN: L. Rivera PAGE: 1 of 2 Proctor ASTM No. Standard Description 1 D-698 Dark brown clay 2 D-698 Brown clay w/gravel 3 D-698 Dark brown silt}, clay Optimum Maximum Mo sture, % Density, PCF 21.2 99.7 16.3 107.3 20.0 100.4 Test No. 83 84 85 86 87 88 89 9O 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 Date Location 10-19-04 10-20-04 10-21-04 Borrow Pit: 12'S 10'E(5) Borrow Pit: 12'S 20'E(5) Bldg Pad: 24'N 40'E(1) Bldg Pad: 24'N 125'E(1) Bldg Pad: 80'N 130'E(1) Bldg Pad: 24'N 38'W(2) Bldg Pad: 35'S 42'W(3) Bldg Pad: 20'S 120'W(3) Bldg Pad: 20'S 40'E(4) Bldg Pad: 129'S 39'W(3) Bldg Pad: 189'S 39'W(3) Bldg Pad: 40'N 39'W(2) Bldg Pad: IO0'N 50'E(1) Bldg Pad: 40'N 50'E(1) Bldg Pad: 130'S 50'E(3) Bldg Pad: 12'S, 24'E(3) Bldg Pad: 12'S, 100'E(3) Bldg Pad: 12'S, 44'W(3) Borrow Pit: 12'S, 10'E(5) Borrow Pit: 12'S, 20'E(5) Borrow Pit: 20'S, 15'E(5) Borrow Pit: 20'S, 40'E(5) Bldg Pad: 40'N, 12'W(1) Bldg Pad: 105'N, 12'W(1) Bldg Pad: 126'S, 12'W(2) Depth I Below I Field Final S.G. Density (feet) (pcf) 12.0 107.7 12.0 108.4 1.0 104.7 1.0 101.6 1.0 95.4 1.0 94.1 1.0 104.8 1.0 102.1 1.0 99.0 1.5 97.7 1.5 96.9 2.0 96.5 2.0 100.8 2.0 103.1 1.5 104.2 0.0 101.1 0.0 100.7 0,0 104.9 12.0 97.4 12.0 94.7 11.0 95.4 11.0 95.7 1.0 97.6 1.0 96.9 1.0 97.7 Field Moisture (°/4 13.3 12.9 20.0 21.0 23.0 24.9 18.3 19.3 21.5 24.9 26.3 25.5 23.1 23.7 22.1 22.2 23.4 20.6 25.0 26.4 25.3 26.1 23.7 23.4 23.8 Pr(~;tor C~.emCe~ti4n 108.0 (a) 108.7 (b) 2 97.6 2 94.7 1 95.7 1 94.4 2 97.7 2 95.1 2 92.3 3 97.3 3 96.5 3 96.1 3 97.4 3 95.7 3 96,6 3 96.7 3 97.3 3 96.5 1 97.7 (A) 1 95.0 (B) 95.6 96.0 3 97.2 3 96.5 3 97.3 2424STUTZ DR, · SUITE 400 ,, DALLAS, TX 75235 * TEL [214] 3505600 · F^X [214} 350 0019 REPORT NO. 9 REPORT DATE: 12-02-04 REG PROJECT NO. 11685 PAGE: 2 of 2 Test No. Date Location 108 10-21-04 Bid9 Pad: 50'S, 12'W(2) 109 Bldg Pad: 120'S, 50'E(3) 110 Bldg Pad: 75'N, 50'E(4) 111 Bldg Pad: 10'N, 50'E(4) 112 10-22-04 Borrow Pit: 20'S, 30'E(5/ Depth Below I Field Field Final S.G. Density Moisture Proctor (feet) (pcf) (%) ID 1.0 97.1 22.8 3 1.0 96.7 21.3 3, 1.0 97.5 21.9 3 1.0 96.7 22.3 3 9.0 100.8 23.5 1 Compaction Level (%) 96.7 96.3 97.1 96.3 101.1 Comments: Where tested, materials were in compliance with project specifications, unless noted otherwise. Failing test noted in lower case letter, passing retest noted in corresponding upper case letter. Footnotes: (1) Measurements referenced from S.W. building corner. (2) Measurements referenced from S.E. building corner. (3) Measurements referenced from N.E. building corner. (4) Measurements referenced from N.W. building corner. (5) Measurements referenced from N.W. corner of pit. Mail Distribution: (1) Cadence McShane, Corporation/ Mr. Brandon Perdue (1) Jackson-Shaw Company/ Mr. Christopher Gardner (1) City of Coppell/Ms. Beverly Hurtsman Submitted by: REED ENGINEERING GROUP, LTD. Original Signed By Keith E. Atkins Manager, CMT BW/cn I=IEEI--I J El--Ir--4-- I I--IEEI=III'-Irt-- GEOTECHNICALAND r~ J=;;J r-'l I I F:j ENVlP, ON~IENTAL CONSULTANTS REPORT OF FIELD DENSITY TESTS Vista Point II, Phase I Highway 121 and MacArthur Boulevard Coppell, Texas REPORTED TO: Cadence McShane, Corporation 14860 Montfort Drive, Suite 270 Dallas, Texas 75254 ATTN: Mr. Brandon Perdue CONTRACTOR: Cadence McShane, Corporation REPORT NO. 12 REPORT DATE: 12-02-04 REG PROJECT NO. 11685 TECHNICIAN: L. Rivera PAGE: 1 of 1 Proctor ASTM No. Standard Description 1 D-698 Dark brown clay 2 D-698 Brown clay w/gravel 3 D-698 Dark brown clay Optimum Maximum Mo sture, % Density, PCF 21.2 99.7 16.3 107.3 20.3 100.4 TNeoS~ Date Location 113 10-25-04 Borrow Pit: 10'S, 20'E(1) 114 Borrow Pit: 10'S, 40'E(1 ) 115 10-26-04 Borrow Pit: 10'S, 10'E(1) 116 Borrow Pit: 12'S, 19'E(1 ) 117 Borrow Pit: 18'S, 30'E(1 ) 118 10-27-04 Borrow Pit: 15'S, 30'W(2) 119 Borrow Pit: 15'S, 15'W(2) Depth Below Final S. G. (feet) 6.0 6.0 5.0 4.0 3.0 2.0 1.0 Field Field Density Moisture Proctor Compaction (pcf) (%) ID Level (°/0) 95.7 25.2 1 96.1 96.3 26.1 1 96.7 95.1 24.5 1 95.3 94.8 23.8 1 95.1 95.8 24.9 1 96.1 95.7 24.1 3 95.3 95.1 24.9 3 94.7 Comments: Where tested, materials were in compliance with project specifications. Footnotes: (1) Measurements referenced from N.W. corner of pit. (2) Measurements referenced from N.E. corner of pit. Mail Distribution: (1) Cadence McShane, Corporation/ Mr. Brandon Perdue (1) Jackson-Shaw Company/ Mr. Christopher Gardner (1) City of Coppell/Ms. Bevedy Hudsman (1) Good Fulton Farrell/Mr. Rick Myers Submitted by: REED ENGINEERING GROUP, LTD. Original Signed By Keith E. Atkins Manager, CMT ML/cn 2424STUTZ DR. · SUITE 400 * DALLAS, TX 75235 * TEL [214] 3505600 · FAX [214] 350 0019 GEOTECHNICALAND ENVIRONMENTAL CONSULTANTS REPORT OF WATER INJECTION OBSERVATION Vista Point II, Phase I Highway 121 and MacArthur Boulevard Coppell, Texas REPORTED TO: Cadence McShane, Corporation 14860 Montfort Drive, Suite 270 Dallas, Texas 75254 ATTN: Mr. Brandon Perdue CONTRACTOR: Cadence McShane, Corporation REPORT NO. 17 REPORT DATE: 12-02-04 REG PROJECT NO. 11685 TECHNICIAN: G. Tsougarakis PAGE: 1 of 1 On this date a representative of Reed Engineering Group, Ltd. observed water injection operations on the referenced project. The injection operations proceeded in accordance with project specifications unless otherwise noted. Specification Injection Depth Injection Spacing Injection Pressure Injection Intervals (fi) (fi) (psi) (in) 10 5 100-200 12-18 Equipment Number of Number of Probes Length of Probes Probe Spacing Ri~ls (ea) (ft) (ft) 2 4 11.5 5 Date I Area Injected (sq ft) I Average Pressure (psi) I Pass No. 11-03-04 Building 3 7,800 125 1 Surfactant added at regular intervals: Yes Mail Distribution: (1) Cadence McShane, Corporation/ Mr. Brandon Perdue (1) Jackson-Shaw Company/ Mr. Christopher Gardner (1) City of Coppell/Ms. Beverly Hurtsman (1) Good Fulton Farrell/Mr. Rick Myers Submitted by: REED ENGINEERING GROUP, LTD. Original Signed By Keith E. Atkins Manager, CMT KEAJcn 24245TUTZ DR. · SUITE 400 · DALLAS, TX 75235 ,, TEL [214] 3505600 · F^X [214] 350 0019