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Park West CC(1)-LR 950613I [C'D JUN 2 0 reed engineering , GEOTECHNICAL CONSULTANTS June 13, 1995 Project No. 2166.2 Report No. 4 Marc Myers Company 3811 Turtle Creek Boulevard, Suite 1020 Dallas, Texas 75219 ATTN: Mr. Richard Crow Re: Construction Materials Testing Park West Commerce Center Airline Drive and Executive Drive 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 May 4 through June 10, 1995. Upon completion of the second pass of water injection, the soil moisture was evaluated by drilling and sampling seven core borings. Borings were drilled on May 12, 1995. Continuous three-inch diameter samples were obtained to a depth of eight feet. All samples were evaluated for consistency by use of a pocket penetrometer. Pocket penetrometer test results are summarized on Plate 1. Based on the test results, additional injections with water were not considered necessary and the building pad was approved for recompaction and placement of "select" fill. During the above referenced period, four samples of imported "select" fill were obtained and returned to the laboratory for development of optimum moisture-density relationships (Standard Proctor Curves). Test results are attached as Plates 2 through 5. During placement of "select" fill two Atterberg Limit (PI) samples were obtained. Both samples were found to be non-plastic and were rejected for use on the project. During the period of May 18 through June 10, 1995, a total of 104 field density tests were taken on the building pad subgrade and "select" fill. Test results are shown on Plates 6 through 9. Where tested, materials were found to be in compliance with project specifications, except as noted. Where materials were not in compliance, the soils were reworked and retested. Test failures and retests are noted in lower and upper case letters, respectively. 2424 STU'I'Z DRIVE · SUITE400 · DALLAS, TEXAS75235 · 214/350-5600 · (FAX) 214/350-0019 Marc Myers Company Project No. 2166.2/Report No. 4 June 13, 1995 Page 2 Additional reports will be submitted as the work progresses. have any questions, do not hesitate to call. Sincerely, REED ENGINEERING Ronald F. Reed, P.E. MDS/RFR/msm copies submitted: INC. (1) Marc Myers Company/Mr. Richard Crow ~1) McFadden & Miller/Mr. Dave VanDemeer (1) Comerica Band/Mr. Alan Williams If you reed engineerin, g PARK WEST'COMMERCE CENTER AIRLINE DRIVE AND EXECUTIVE DRIVE COPPELL, TEXAS REPORT NO. 4 Date Sampled 05-12-95 Pocket Penetrometer Test Results Depth (feet) W-1 W-2 W-3 W-4 W-5 W-6 W-7 00-15 15-30 30-45 45-60 60-70 70-80 0 5 13 12 17 2 5 2 3 0.8 1.7 2.8 2.3 2.4 2.5 0 9 11 19 2 0 2 6 2 2 1 0 2 3 2 1 1 8 2 3 2 6 1 2 1 9 2 8 2 1 1 7 2 3 1 4 2 2 2 3 1 9 2 4 2 6 0.9 1.5 2.6 2.2 1.8 2.3 GEOTECHNICAL CONSULTANTS . PLATE 1 re~d engineering 112 110 108 106 104 102 10 12 14 16 18 Moisture Content (%) Standard Proctor Compaction Test No. 3 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 Park West Commerce Center Depth - Sample No. __ Classification C0ppell, Texas Reddish-brown sandy clay (select fill) Liquid Limit 26 % Maximum Unit Plastic Limit 13 % Dry Weight 111.3 Plasticity Index 13 Optimum Moisture Content 14,4 OPTIMUM MOISTURE DENSITY CURVE GEOTECHNICAL CONSULTANTS ' PI. ATE 2 reed engineering 116 114 112 110 9 11 13 15 17 Moisture Content (%) Standard Proctor Compaction Test No. 4 25 blows, per each of ,3 layers, with ~. _~pound hammer and 12 inch drop using 4 inch diameter mold Test performed on minus #4 Sieve size material Boring No. -- Location Park West Commerce Center Depth - Sample No. __ Classification Coppell~ Texas Reddish-brown clayey sand (select fill) Liquid Limit 23 % Maximum Unit Plastic Limit 13 % Dry Weight 115.7 Plasticity Index 10 Optimum Moisture Content 12.6 OPTIMUM MOISTURE DENSITY CURVE GEOTECHNICAL CONSULTANTS . PI ATF q reed engineering 116 114 112 110 108 106 10 12 14 16 18 Moisture Content (%) Standard Proctor Compaction Test No. 5 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 Si eve size material Boring No. -- Location Park West Commerce Center Depth - Sample No. __ Classification Coppell, Texas Reddish-brown clayey sand (select fill-Moore's Pit) Liquid Limit 25 % Plastic Limit 14 % Plasticity Index 11 Maximum Unit Dry Weight 114.4 Optimum Moisture Content 13.3 pcf % OPTIMUM MOISTURE DENSITY CURVE GEOTECHNICAL CONSULTANTS - Plnf~ 4 re~d eng~ineering 122 120 114 112 / \ / / \ ! / \ / / / \ / 6 8 10 12 14 Moisture Content (%) Standard Proctor Compaction Test No. 6 25 blowsper 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 Park West Commerce Center C0ppell, Texas Depth - Sample No. __ Classification Reddish-brown clayey sand (Bartel's Pit) Liquid Limit 18 % Maximum Unit Plastic Limit 12 % Dry Weight 121.6 Plasticity Index 6 Optimum Moisture Content 10.7 OPTIMUM MOISTURE DENSITY CURVE GEOTECHNICAL CONSULTANTS , PI ATF ~ reed engineerin, g PARK WEST COMMERCE CENTER AIRLINE DRIVE AND EXECUTIVE DRIVE COPPELL, TEXAS REPORT NO. 4 Date 05-18-95 05-20-95 05-22-95 05-31-95 Test No. 5O 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 Field Density Tests Location Depth Below Unit Final Dry S.G. Weight (feet) (pcf) 60'S 60'S 60'S 60'S 60'S 110'S ll0'S 110'S ll0'S 110'S 225'S 225'S 225'S 225'S 225'S 300'S 300'S 300'S 300'S 300'S 375'S 450'S 525'S 700'N 700'N 700'N 700'N 600'N, 500'N, 400'N, 300'N, 200'N, 100'N, 50'N, 150'N, 220'W(1) 17o'w(1) 120'W(1) 7o'w(1) 30'W(1) 20'W(1) 75'w(1) 125'W(1) 175'w(1) 210'W(1) 225'W(1) 175'w(1) 125'W(1) 75'w(1) 25'W(1) 225'W(1) 175'W(1) 125'W(1) 75'w(1) 25'W(1) 25'W(1) 25'W(1) 25'w(1) 75'W(2) 125'W(2) 180'W(2) 230'W(2) 25'W(2) 25'W(2) 25'W(2) 25'W(2) 25'W(2) 25'W(2) 75'W(2) 75'W(2) 1 1 1 1 1 1 5 5 5 5 5 5 1 5 1 5 1 5 1 5 1.5 1 5 1 5 1 5 1 5 1 5 1 5 1 5 1 5 1 5 1 5 1 5 1.5 1 5 1 5 1 5 1 5 1 5 1 5 1 5 1 5 1 5 1 5 1 5 1 5 93 92 85 92 90 91 90 91 89 90 89 88 87 89 89 89 87 87 89 91 94 88 93 83 83 83 6 1 0 7 0 2 2 2 4 4 1 0 9 7 5 7 9 0 3 2 1 0 3 7 7 1 87 7 90 4 87 1 85 0 84 9 87 5 87 3 85 6 82 6 Moisture Content Curve (%) No. 28 6 29 7 33 7 29 8 29 1 27 2 29 2 27 1 29 8 27 7 29 8 31 5 31 5 29 7 29 8 27 6 28 7 31 3 27 7 26 2 25.4 29.8 25.9 33.5 33.7 33.7 32.5 29 1 30 8 33 7 31 6 30 1 30 1 33 4 33 7 1 1 2 1 1 1 1 1 1 1 1 2 2 1 1 1 2 2 2 2 1 2 1 2 2 2 2 1 2 2 2 2 2 2 2 Com- pac- tion Level (%) 96.6 95.0 94.7 95.7 92.9 94.1 93.1 94.1 92.3 93.3 92.0 98.0 97.9 92.6 92.4 92 6 97 9 96 9 92 2 94 1 97 1 98 0 96 3 93 2 93.2 92.5 97.7 93.3 97.0 94.7 94.5 97.4 97.2 95.3 92.0 GEOTECHNICAL CONSULTANTS PLATE 6 reed engineerin, g PARK WEST COMMERCE CENTER AIRLINE DRIVE AND EXECUTIVE DRIVE COPPELL, TEXAS REPORT NO. 4 Date 05-31-95 06-06-95 06-08-95 Test No. 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 Field Density Tests (Continued) Location Depth Below Unit Final Dry S.G. Weight (feet) (pcf) 250'N 75'W 350'N 75'W 450'N 75'W 500'N 75'W 500'N 125'W 425'N 125'W 350 N 125'W 275 N 125'W 200 N 125'W 125 N 125'W 75 N,125'W 50 N 175'W 150 N 175'W 250 N 175'W 350 N 175'W 450'N 175'W 550'N 175'W 550'N 225'W 450'N 225'W 300'N 225'W 250'N,225'W 150'N,225'W 50'N,225'W 25'S,235'W 25'S,200'W 110'S,235'W (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (1) (1) (1) 110' S, 200'W(1) 50' S, 175'W(1) 50'S, 125'W(1) 50'S, 50'W(1) 125' S, 50'W(1) 125'S, 100'W(1) 125'S, 200'W(1) 200' S, 200'W(1) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 o 0 0 0 0 0 0 0 0 0 0 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 8 8 8 8 7 7 7 7 7 7 7 85 4 87 7 93 0 89 8 90 3 83 0 83 5 82 6 84 5 83 7 84 3 85 5 83 2 86 0 87 7 84 4 89 6 90 0 83 4 83 8 84 4 83 .6 87 1 115 7 113 7 113.2 111.3 115.7 116.2 115.5 116.0 117.3 117.9 120.2 Moisture Content Curve (%) No. 32 7 30 8 25 8 29 8 28 6 33 7 33 6 33 7 32 0 32 9 33 7 32.2 33 6 32 0 29 4 33 7 29 8 29 0 33 7 33 6 33 7 33 6 32 0 12 1 11 4 11 5 12 1 13 2 11 1 10 0 11 2 9 2 9 0 9 4 2 2 1 1 1 2 2 2 2 2 2 2 2 2 2 2 1 1 2 2 2 2 2 5 5 5 5 6 6 6 6 6 6 6 Com- pac- tion Level (%) 95 1 97 7 96 0 92 7 93 2 92 4 93 0 92 0 94 1 93.2 93.9 95 2 92 7 95 8 97 7 94 0 92 5 92 9 92 9 93 3 94 0 93.1 97 0 101 1 99 4 99 0 97 3 95 1 95 6 95 0 95 4 96 5 97 0 98 8 GEOTECHNICAL CONSULTANTS · PLATE 7 reed enginc, c.;-in.g PARK WEST COHMERCE CENTER AIRLINE DRIVE AND EXECUTIVE DRIVE COPPELL, TEXAS REPORT NO. 4 Date 06-08-95 06-09-95 06-10-95 Test No. 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 Field Density Tests (Continued) Location Depth Com- Below Unit pac- Final Dry Moisture tion S.G. Weight Content Curve Level (feet) (pcf) (%} No. (%) 200'S 140'W 200'S 90'W 200'S 25'W 500'S 225'W 500'S 175'W 500'S 100'W 500'S 20'W 275'S 40'W 275'S ll0'W 275'S 175'W 275'S 225'W 350'S 225'W 350'S 175'W 350'S 120'W 350'S 50'W 425'S 35'W 425'S 100'W 425'S 175'W 425'S 220'W 575'S 210'w 575'S 175'w 575'S 100'W 575'S 30'W 35'S, 25'W 35'S,120'W 35'S,175'W 55'S,225'W 100'S,220'W 100'S,120'W 100'S,170'W 100'S, 50'W 175'S, 25'W 175'S,100'W (i) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (i) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) 0 7 0 7 0 7 0 7 0 7 0 7 0 7 0 7 0 7 0 7 0 7 0.7 0 7 0 7 0 7 0 7 0 7 0 7 0.7 0 7 0 7 0 7 0 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 119.9 116.0 115.5 117 9 117 3 116 5 116 6 118 6 117 0 115 5 115 6 118 1 115 9 117 6 116 7 116 7 115 5 116 5 115 7 117 4 116 5 116 7 118 5 116.2 118.0 117 4 119 1 121 9 117 0 121 6 119 0 116 0 117 0 9 5 11 2 9 3 12 9 11 3 10 7 10 2 8 7 9 1 10 8 8 7 9 0 9 3 9 7 8 7 9 3 9 9 9 8 9 3 11 6 9 5 11 8 8 9 9 6 12 5 10 3 8 8 10 0 9 0 10 0 9 7 9 9 8 7 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 98 6 95 4 95 0 97 0 96 5 95 8 95 9 97 5 96 2 95 0 95 1 97 1 95 3 96 7 96 0 96 0 95 0 95 8 95 1 96 5 95 8 96 0 97 5 95 6 97 0 96 5 97 9 100 2 96 2 100 0 97.9 95.4 96.2 GEOTECHNICAL CONSULTANTS PLATE 8 reed en. gineerin, g Test Date No. 06-10-95 152 153 Footnotes: PA/~K WEST COM/~ERCE CENTER AIRLI1FE DRIVE AND EXECUTIVE DRIVE COPPELL, TEXAS REPORT NO. 4 Field Density Tests (Continued) Location Depth Below Unit Final Dry S.G. Weight (feet) (pcf) 175' S, 175'W(1) 0.0 175'S,225'W(1) 0.0 Com- pac- Moisture tion Content 'Curve Level (%) No. (%) 117.9 9.8 6 97.0 120.4 11.3 6 99.0 (i) (2) Measurements referenced from N.E. corner of building pad. Measurements referenced from S.E. corner of building pad. GEOTECHNIC~ CONSULTANTS PLATE 9