ST9902-LR130909 (2)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:
PROJECT:
AGG REPORT M
REPORT DATE:
INSPECTOR /DATE:
DRILLING COMPANY:
STRUCTURE:
City of Coppell
West Sandy Lake
C13-0634-151120
09/09/13
Duce Roberts /9 -5 -13
DISTRIBUTION:
Rick O'Dell - City of Coppell
Keith Marvin, P.E. - City of Coppell
Paae 1 of 1
Pier Location (Grid Lines)
4H
4K
Design Shaft Diameter (inches)
36.0 inches
36.0 inches
Design Penetration (feet)
5.0 feet
5.0 feet
Elevation of Top of Pier
479.4 inches
479.0 inches
Ground Elevation
481.3 inches
481.3 inches
Actual Shaft Diameter
36.0 feet
18.0 feet
Depth to Bearing Stratum
(Very Hard Gray Sandy Shale) *
39.5 feet
38.1 feet
Required Pier Depth
44.5 feet
43.1 feet
Actual Pier Depth
47.3 feet
44.2 feet
Actual Pier Penetration
7.8 feet
6.1 feet
Elevation of Top of Bearing Stratum
441.8 feet
443.2 feet
Elevation of Bottom of Pier
434.0 feet
437.1 feet
Pier Location within Tolerance
yes
yes
Pier Plumb within Specifications
yes
yes
Casing Required
yes
yes
Length of Casing
32.4 feet
32.1 feet
Depth to Top of Casing
( " -" (minus) if above ground)
-2.0 feet
-2.6 feet
Depth to Bottom of Casing
30.4 feet
29.5 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
646's
Horizontal Ties (Size & Spacing)
#3 @6
#3 @6
Steel Cage Diameter
30.0 inches
12.0 inches
Length of Steel Cage
47.0 feet
41.9 feet
Concrete Placed in Center of Pier Hole with a
Hopper or Inverted Chute
Inverted Chute
Inverted Chute
REMARKS
ALLIANCE GEOTECHNICAL GROUP /_��