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ST9902-LR130905ALLIANCE GEOTECHNICAL GROUP CONSULTING ENGINEERING * GEOTECHNICAL ENGINEERING * CONSTRUCTION MATERIALS 7970 W. Main Street, Frisco TX 97033 Phone:214 -618 -4100 Fax: 214 - 618 -4110 DRILLED PIER INSPECTION REPORT CLIENT: PROJECT: AGG REPORT #: REPORT DATE: INSPECTOR/DATE: DRILLING COMPANY: STRUCTURE: City of Coppell West Sandy Lake C13-0634-150986-1 09/05/13 Duce Roberts /9 -3 -13 DISTRIBUTIUN: Rick O'Dell - City of Coppell Keith Marvin, P.E. - City of Coppell Page 1 of 1 Pier Location (Grid Lines) 3E 3F Design Shaft Diameter (inches) 36.0 inches 36.0 inches Design Penetration (feet) 5.0 feet 5.0 feet Elevation of Top of Pier 468.9 inches 469.0 inches Ground Elevation 471.8 inches 471.8 inches Actual Shaft Diameter 36.0 feet 36.0 feet Depth to Bearing Stratum (Very Hard Gray Sandy Shale) 32.8 feet 32.5 feet Required Pier Depth 37.8 feet 37.5 feet Actual Pier Depth 38.0 feet 37.6 feet Actual Pier Penetration 5.2 feet 5.1 feet Elevation of Top of Bearing Stratum 439.0 feet 439.3 feet Elevation of Bottom of Pier 433.8 feet 434.2 feet Pier Location within Tolerance yes yes Pier Plumb within Specifications yes yes Casing Required yes yes Length of Casing 19.6 feet 19.6 feet Depth to Top of Casing ( " -" (minus) if above ground) -1.8 feet -1.6 feet Depth to Bottom of Casing 17.8 feet 18.0 feet Depth Required due to Casing na na Water Present in Hole at Concrete Pour no no Pier Bottom Clean yes yes Vertical Bars (Number & Size 10- #9's 10- #9's Horizontal Ties (Size & Spacing) #3 @6 #3 @6 Steel Cage Diameter 30.0 inches 30.0 inches Length of Steel Cage 39.0 feet 39.0 feet Concrete Placed in Center of Pier Hole with a Hopper or Inverted Chute Inverted Chute Inverted Chute REMARKS: ALLIANCE GEOTECHNICAL GROUP ALLIANCE GEOTECHNICAL GROUP CONSULTING ENGINEERING * GEOTECHNICAL ENGINEERING * CONSTRUCTION MATERIALS 7970 W. Main Street, Frisco TX 97033 Phone:214 -618 -4100 Fax: 214 - 618 -4110 DRILLED PIER INSPECTION REPORT CLIENT: City of Coppell DISTRIBUTION: PROJECT: West Sandy Lake Rick O'Dell - City of Coppell AGG REPORT #: C13- 0634 - 151071 -1 Keith Marvin, P.E. - City of Coppell REPORT DATE: 09/05/13 INSPECTOR/DATE: Duce Roberts /9 -4 -13 DRILLING COMPANY: STRUCTURE: 5.0 feet Paqe 1 of 1 Pier Location (Grid Lines) 4J Design Shaft Diameter (inches) 36.0 inches Design Penetration (feet) 5.0 feet Elevation of Top of Pier 479.2 inches Ground Elevation 481.3 inches Actual Shaft Diameter 36.0 feet Depth to Bearing Stratum (Very Hard Gray Sandy Shale) * 38.8 feet Required Pier Depth 43.8 feet Actual Pier Depth 47.4 feet Actual Pier Penetration 8.6 feet Elevation of Top of Bearing Stratum 442.5 feet Elevation of Bottom of Pier 433.9 feet Pier Location within Tolerance yes Pier Plumb within Specifications yes Casing Required yes Length of Casing 32.4 feet Depth to Top of Casing ( "" (minus) if above ground) -1.95 feet Depth to Bottom of Casing 30.5 feet Depth Required due to Casing na Water Present in Hole at Concrete Pour no Pier Bottom Clean yes Vertical Bars Number & Size 10- #9's Horizontal Ties Size & Spacing #3 @6 Steel Cage Diameter 30.0 inches Length of Steel Cage 46.8 feet Concrete Placed in Center of Pier Hole with a Hopper or Inverted Chute Inverted Chute REMARKS ALLIANCE GEOTECHNICAL GROUP