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ST9902-LR130826ALLIANCE GEOTECHNICAL GROUP CONSULTING ENGINEERING * GEOTECHNICAL ENGINEERING * CONSTRUCTION MATERIALS 3228 Halifax Street, Suite A, Dallas, Texas 75247 Phone:972- 444 -8889 Fax: 972 - 444 -8893 DRILLED PIER INSPECTION REPORT CLIENT: City of Coppell PROJECT: West Sandy Lake Road Improvements AGG REPORT #: C1 3-0634-150217 REPORT DATE: 08/26/2013 DISTRIBUTION: INSPECTOR /DATE: D. Roberts 8/21/2013 DRILLING COMPANY: Texas Shafts BUILDING: Page 1 of 1 REMARKS: Less than 6 inches of water present in pier at time of concrete placement. 4E was started 8/20/13 and completed 8/21/2013. ALLIANCE GEOTECHNICAL GROUP XZV * An approximate 5' thick hard gray shale layer exists above the very hard gray sandy shale. DO NOT START PENETRATION UNTIL VERY HARD GRAY SANDY SHALE IS ENCOUNTERED. Pier Location (grid lines) 4F 4G Design Shaft Diameter 36 inches 36 inches Design Penetration 5 feet 5 feet Elevation of Top of Pier 479.84 feet 479.61 feet Ground Elevation 481.69 feet 481.53 feet Actual Shaft Diameter 36 inches 36 inches Depth to Bearing Stratum (Very Hard Gray Sandy Shale)* 39.5 feet 38.5 feet Required Pier Depth 44.5 feet 43.5 feet Actual Pier Depth 47.8 feet 48.3 feet Actual Pier Penetration 8.3 feet 9.8 feet Elevation of Top of Bearing Stratum 442.19 feet 443.03 feet Elevation of Bottom of Pier 433.89 feet 433.23 feet Pier Location within Tolerance yes yes Pier Plumb within Specifications yes yes Casing Required yes yes Length of Casing 32.4 feet 32.4 feet Depth to Top of Casing 1.0 feet -1.5 feet Depth to Bottom of Casing 33.4 feet 30.9 feet Depth Required Due to Casing N/A N/A Water Present in Hole at Concrete Pour trace trace Pier Bottom Clean yes yes Vertical Bars (number & Size) 10 #9 10 #9 Horizontal Ties (Size & Spacing) #3 @6" #3 @6" Steel Cage Diameter 30 inches 30 inches Length of Steel Cage 47.3 feet 47.7 feet Concrete Placed in Center of Pier Hole with a Hopper or Inverted Chute Inverted Chute Inverted Chute REMARKS: Less than 6 inches of water present in pier at time of concrete placement. 4E was started 8/20/13 and completed 8/21/2013. ALLIANCE GEOTECHNICAL GROUP XZV * An approximate 5' thick hard gray shale layer exists above the very hard gray sandy shale. DO NOT START PENETRATION UNTIL VERY HARD GRAY SANDY SHALE IS ENCOUNTERED. ALLIANCE GEOTECHNICAL GROUP CONSULTING ENGINEERING * GEOTECHNICAL ENGINEERING * CONSTRUCTION MATERIALS 3228 Halifax Street, Suite A, Dallas, Texas 75247 Phone:972- 444 -8889 Fax: 972 - 444 -8893 DRILLED PIER INSPECTION REPORT CLIENT: City of Coppell PROJECT: West Sandy Lake Road Improvements AGG REPORT #: C1 3-0634-150219 REPORT DATE: 08/26/2013 DISTRIBUTION: INSPECTOR/DATE: D. Roberts 8/22/2013 DRILLING COMPANY: Texas Shafts BUILDING: Paae 1 of 1 REMARKS: Less than 6 inches of water present in pier at time of concrete placement. ALLIANCE GEOTECHNICAL GROUP,P1L� -- * An approximate 5' thick hard gray shale layer exists above the very hard gray sandy shale. DO NOT START PENETRATION UNTIL VERY HARD GRAY SANDY SHALE IS ENCOUNTERED. Pier Location (grid lines) 1F 1G Design Shaft Diameter 36 inches 36 inches Design Penetration 5 feet 5 feet Elevation of Top of Pier 480.32 feet 480.13 feet Ground Elevation 481.61 feet 480.95 feet Actual Shaft Diameter 36 inches 36 inches Depth to Bearing Stratum (Very Hard Gray Sandy Shale)* 38.7 feet 37.0 feet Required Pier Depth 43.70 feet 42.0 feet Actual Pier Depth 47.65 feet 47.8 feet Actual Pier Penetration 8.95 feet 10.8 feet Elevation of Top of Bearing Stratum 442.91 feet 443.95 feet Elevation of Bottom of Pier 433.96 feet 433.15 feet Pier Location within Tolerance yes yes Pier Plumb within Specifications yes yes Casing Required yes yes Length of Casing 31.4 feet 31.4 feet Depth to Top of Casing 1.4 feet -0.3 feet Depth to Bottom of Casing 32.8 feet 31.1 feet Depth Required Due to Casing N/A N/A Water Present in Hole at Concrete Pour trace trace Pier Bottom Clean yes yes Vertical Bars (number & Size) 10 #9 1 10 #9 Horizontal Ties (Size & Spacing) #3 @6" #3 @6" Steel Cage Diameter 30 inches 30 inches Length of Steel Cage 47.9 feet 47.2 feet Concrete Placed in Center of Pier Hole with a Hopper or Inverted Chute Inverted Chute Inverted Chute REMARKS: Less than 6 inches of water present in pier at time of concrete placement. ALLIANCE GEOTECHNICAL GROUP,P1L� -- * An approximate 5' thick hard gray shale layer exists above the very hard gray sandy shale. DO NOT START PENETRATION UNTIL VERY HARD GRAY SANDY SHALE IS ENCOUNTERED. ALLIANCE GEOTECHNICAL GROUP CONSULTING ENGINEERING * GEOTECHNICAL ENGINEERING * CONSTRUCTION MATERIALS 3228 Halifax Street, Suite A, Dallas, Texas 75247 Phone:972- 444 -8889 Fax: 972 - 444 -8893 DRILLED PIER INSPECTION REPORT CLIENT: City of Coppell PROJECT: West Sandy Lake Road Improvements AGG REPORT #: C13- 0634 - 150221 REPORT DATE: 08/26/2013 DISTRIBUTION: INSPECTOR /DATE: D. Roberts 8/23/2013 DRILLING COMPANY: Texas Shafts BUILDING: Paqe 1 of 1 REMARKS: Less than 6 inches of water present in pier at time of concrete placement. ALLIANCE GEOTECHNICAL GROUP a"-- * An approximate 5' thick hard gray shale layer exists above the very hard gray sandy shale. DO NOT START PENETRATION UNTIL VERY HARD GRAY SANDY SHALE IS ENCOUNTERED. Pier Location (grid lines) 1H Design Shaft Diameter 36 inches Design Penetration 5 feet Elevation of Top of Pier 479.94 feet Ground Elevation 480.97 feet Actual Shaft Diameter 36 inches Depth to Bearing Stratum (Very Hard Gray Sandy Shale)* 41.0 feet Required Pier Depth 46.00 feet Actual Pier Depth 48.85 feet Actual Pier Penetration 7.85 feet Elevation of Top of Bearing Stratum 439.97 feet Elevation of Bottom of Pier 432.31 feet Pier Location within Tolerance yes Pier Plumb within Specifications yes Casing Required yes Length of Casing 31.4 feet Depth to Top of Casing 0.0 feet Depth to Bottom of Casing 31.4 feet Depth Required Due to Casing N/A Water Present in Hole at Concrete Pour trace Pier Bottom Clean yes Vertical Bars (number & Size) 10 #9 Horizontal Ties (Size & Spacing) #3 @6" Steel Cage Diameter 30 inches Length of Steel Cage 47.5 feet Concrete Placed in Center of Pier Hole with a Hopper or Inverted Chute Inverted Chute REMARKS: Less than 6 inches of water present in pier at time of concrete placement. ALLIANCE GEOTECHNICAL GROUP a"-- * An approximate 5' thick hard gray shale layer exists above the very hard gray sandy shale. DO NOT START PENETRATION UNTIL VERY HARD GRAY SANDY SHALE IS ENCOUNTERED.