Laserfiche WebLink
Section 02310 <br /> HORIZONTAL DIRECTIONAL DRILLING <br /> 5. Procedures for eliminating, isolating or controlling identified hazards shall be <br /> included. <br /> 6. Job-site safety meetings. <br /> M. Risk Contingency Plan <br /> Risk Contingency Plan to identify the major anticipated risks and develop general plans for <br /> resolving them. As a minimum the following shall be addressed: <br /> 1. Failure to complete the bore. <br /> 2. Loss of circulation. <br /> 3. Obstructions. <br /> 4. Inaccurate tracking and/or steering. <br /> 5. Collapse of borehole. <br /> 6. Product pipe failure. <br /> 7. Stuck product pipe. <br /> 8. Surface heave and/or subsidence. <br /> 9. Hydrofracture and inadvertent returns. <br /> 10. Calculations for pulling forces during pullback including pulling stresses on <br /> individual pipes. <br /> 11. Manufacturer's data sheets and certifications of HDPE pipe. <br /> 12. Calibration data for all instrumentation. <br /> 13. Names and qualifications of Contractor's key project personnel including site <br /> foreman, drilling operator, drill locator, mud specialist, safety person, and <br /> environmental representative. <br /> Walnut Grove Sewer Project(Conformed) 02310-6 SA0160401 <br /> March 2008 N:\sa0160401\Specs\WG Conform\Div 2\02310.doc <br />