DOE-STD-1090-96, DOE Standard Hoisting and Rigging Manual ...

DOE-STD-I090-96 (Rev-I)g. Do not lower the hook below the pointwhere less than two full wraps ofrope remain onthe hoisting drum.h. When the load or hook approachespersonnel, sound the warning signal.i. Tag lines should be used as required toguide, snub, or otherwise control the load.j. Place any attached load on the ground orfloor, place controls in the OFF position, and turnoffthe power source before leaving the craneunattended, unless required to do otherwise by anapproved emergency procedure.k. Work on suspended loads is prohibitedunder normal conditions. Ifthe responsiblemanager decides that it is necessary to work on asuspended load, guidelines for safe operation shallbe established through consultation with theappropriate safety organization. Suspended loadsthat must be worked on shall be secured againstunwanted movement.7.5.8Ordinary Liftsa. The requirements of all precedingparagraphs in Section 7.5, "Operation," also shallapply to ordinary lifts.b. An appointed person shall classify each liftinto one ofthe DOE categories (ordinary, critical,or preengineered production) before the lift isplanned.c. Hoisting and rigging operations for ordinarylifts require a designated leader who shall bepresent at the lift site during the entire liftingoperation. Ifthe lift is being made by only oneperson, that person assumes all responsibilities ofthe designated leader.d. Leadership designation may be by writteninstructions, specific verbal instructions for theparticular job, or clearly delmed responsibilitieswithin the crew's organizational structure.e. The designated leader's responsibility shallinclude the following:1. Ensure that personnel involvedunderstand how the lift is to be made.2. Ensure that the weight ofthe load isdetermined, that proper equipment and accessoriesare selected, and that rated capacity is notexceeded.3. Survey the lift site for hazardouslunsafe conditions.4. Ensure that equipment is properly setup and positioned.5. Ensure that a signaler is assigned,ifrequired, and is identified to the operator.6. Direct the lifting operation to ensurethat the job is done safely and efficiently.7. Stop thejob when any potentiallyunsafe condition is recognized.8. Direct operations if an accident orinjury occurs.f. The operator, or a designated person, shallensure that the crane is still within the inspectioninterval.g. The operator, or a designated person, shallvisually examine the crane in accordance withSection 7.2.4.7.5.9 Critical LiftsSee Chapter 2, "Critical Lifts," for critical-liftrequirements.Chapter 7Overhead and Gantry Cranes 7-16