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APPENDIX 2F
MODEL SPECIFICATIONS
Chapter 2
Helical Foundation Systems
10.1.5 Individual anchor loading requirements (if any).
10.1.6 Manufacturer’s published allowable system capacities for the proposed anchor
assemblies, including load transfer devices.
10.1.7 Calculated mechanical and theoretical geotechnical capacity of anchors.
10.1.8 Minimum anchor termination torque requirements.
10.1.9 Maximum estimated installation torque and allowable installation torque rating of
anchor.
10.1.10 Minimum and/or maximum embedment lengths or other site specific embedment depth
requirements as may be appropriate for the site soil profiles.
10.1.11 Inclination angle and location tolerance requirements.
10.1.12 Load test procedures and failure criteria, if applicable.
10.1.13 Copies of certified calibration reports for torque measuring equipment and load test
measuring equipment to be used on the project. The calibrations shall have been
performed within one year of the proposed helical anchor installation starting date or as
recommended by the equipment manufacturer.
10.1.14 Provide proof of insurance coverage as stated in the general specifications and/or
contract.
11
PLACEMENT REQUIREMENTS
11.1 Helical anchors shall be installed within 3 inches of the indicated plan location.
11.2 Helical anchor shaft alignment shall be within 2 degrees of the inclination angle shown on the Plans.
11.3 Top elevation of helical anchors shall be within 2 inches of the design vertical elevation.
12
ANCHOR INSTALLATION
12.1 Installing Contractor shall furnish and install all helical anchors per the project Plans and
approved anchor design documentation. In the event of conflict between the project Plans
and the approved anchor design documentation, the Installing Contractor shall not begin
construction on any affected items until such conflict has been resolved.
12.2 The Installing Contractor shall conduct their construction operations in a manner to insure the
safety of persons and property in the vicinity of the work. The Installing Contractor’s personnel
shall comply with safety procedures in accordance with OSHA standards and any established
project safety plan.
12.3 The Owner shall request marking of underground utilities by an underground utility location
service as required by law, and the Installing Contractor shall avoid contact with all marked
underground facilities.
12.4 The portion of the construction site occupied by the Installing Contractor, including equipment
and material stockpiles shall be kept reasonably clean and orderly.
