Washington Works - DuPont

Contract Administration Initiated: 07/1992 CAG-07Site Conditions SC1 Revised: 05/2013 Monitor: John SorokaRetention: 3 yrs after obsolete or superseded Revision Due: 10/2015 Page 18equipment containing A/C electrical current receptacles shall only be operated using a groundfault circuit interrupter (GFCI) at the receptacle. All portable welder lugs require protectiveboots.Cranes, forklifts, trucks, and similar construction equipment shall not be left unattended unlessshutdown and secured to prevent accidental or unintentional movement.Vehicles being loaded, unloaded, or being entered by other mobile equipment must have wheelschocked. In addition all mobile equipment not equipped with a parking brake must be chokedwhile parked. Contractor will supply chocks.Truck-mounted, hydraulic, telescoping boom cranes shall not be moved unless the boom is fullyretracted and lowered into the boom cradle, if provided, and the hook is secured in a tie-downlug at some point on the truck bed.Modifications shall not be made to lifting equipment without the manufacturer's writtenpermission. Each custom-designed lifting accessory (e.g., grabs, hooks, clamps, etc) shall bemarked to indicate the safe working load and shall be tested, prior to use, to 125 percent of theirrated load. [Reference OSHA Section 1926.251(a)(4)]Rigging from the buckets or booms of back-hoes, front end loaders, bulldozers, etc., to lay pipe,erect steel, pick and carry, etc., will not be permitted unless a properly installed and tested liftingeye or lug has been attached to the bucket or boom by the manufacturer, and lifting capacitiesand configurations are specified in the manufacturer's operating manual.All vehicles or construction equipment having the view to the rear obstructed shall be equippedwith audible backup alarms. As a minimum, the sounding of the vehicle’s horn is requiredwhen backing any vehicle on site.1.39 Rigging PlansContractor shall submit details of its proposed aerial work platform and rigging method forDuPont’s approval before conducting any work from a platform suspended from a crane.Included in the details must be clear justification for using a crane-suspended work platformrather than another method (e.g., scaffolds, aerial lifts etc). Anti-two-block devices are requiredwhen using a hydraulic crane. A set-up and dry run demonstration must be performed andwitnessed by the construction engineer prior to being used. Refer to section B-3.1 of the FC&SSafety Manual (Supplied as required during pre-job meeting).Contractor shall comply with the following requirements for aerial work platforms, manlifts, orbucket trucks.Operator shall be trained at Contractor’s expense.No more than two people will be permitted on the aerial work platform at any onetime.Personnel shall use Full Body Harness with the lanyard secured to the work platformor boom.Personnel shall perform their work while standing on the platform floor. Standing onthe top rail, mid rail, or toe board will not be permitted.Before equipment can travel, the boom must be fully retracted and lowered to thehorizontal position.Copyright © 2012 E. I. du Pont de Nemours and Company. All rights reserved