by laying wood on top of the scales and driving thedozer onto the wood. The sum of the weight of thescales provides the GVW.Once all the weights have been computed,they are marked on both sides of the vehicle and areannotated on the manifest list. The vehicle is thenstaged on the scheduled chalk.Members of the air det must be highlyqualified in both vehicle and cargo weighing andmarking procedures because upon completion of themission, the air det is responsible for mounting itselfout to return home.SHORINGShoring is required for any type of equipmentor cargo that can create metal-to-metal contactaboard the aircraft. Shoring for individual equipmentis usually precut, banded, and marked with the USNnumber of the equipment and accompanies the pieceof equipment on the aircraft. The weight of theshoring must be included in the weight of CESE. Theshoring is placed on CESE at the weighing andmarking station which should be close to the locationwhere the shoring is to be used.Roller shoring (fig. 2-9) is required for trackedequipment. Roller shoring protects airport parkingramps and the cargo floor or loading ramps of cargoaircraft.Parking shoring (fig. 2-10) is required for graderblades, front-end loader buckets, rollers, and so forth.Any vehicle requiring roller shoring requires parkingshoring. The minimum thickness of parking shoring isthree-fourths inch. Parking shoring is also requiredFigure 2-10.—Parking shoring.2-9
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