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AECOM times, so only carry objects that can be safely handled with one hand. Always maintain handrail contact when carrying an object up or down stairs. 4.6 Specific Handling-Pushing/Pulling Guidelines 4.6.1 Check the condition of the floor, ground, or other surface prior to pushing or pulling an object across it. 4.6.2 Be aware of the"break out'force of the object;this is the force at which a push or pull overcomes the frictional force between the surface and object. Adjust lower body posture to have a solid base in order to avoid losing balance when this point is reached. 4.6.3 Get assistance when moving or guiding a large load. 4.6.4 Where possible, always push rather than pull a load. 4.6.5 When possible push at waist height not shoulder height. The force capability at shoulder height is 50% less than at waist level. 4.6.6 Casters or wheels on carts should be at least 6 inches (15.24 centimeters)diameter for heavier loads in order to exercise adequate control on rough or inclined surfaces. Tire materials should be suitable for the surface of travel. 4.6.7 Never load the cart or load-carrying device in such a manner that visibility is obstructed in the path of travel. 4.6.8 When pushing or pulling an object on an inclined surface, ensure control of the load and direction of travel before proceeding. Obtain additional support to control the load if necessary. 4.6.9 Never leave carts or loads in an area that will present a hazard to other workers. Make sure carts or transport devices are secured in position before leaving them unattended. 4.7 Specific Handling—Square or Rectangular Objects 4.7.1 Place one foot slightly in front of the other. 4.7.2 Squat as close to the object as possible. + 4.7.3 Grasp one of the top corners away from the body and the opposite bottom corner closest to the body. 4.7.4 Tilt the object slightly away from the body, tilt forward at the hips, keep the back straight. 4.7.5 Test to confirm that the object is loose from floor and will lift without snagging. 4.7.6 Straighten the legs, keeping the spine straight, pull the object into the body, and stand up slowly and evenly without jerking or twisting. 4.7.7 If turning or change of direction is required,turn with feet without twisting the torso and step in the direction of travel. 4.7.8 To set an object down, reverse the sequence, being sure not to trap the bottom hand between the object and the surface on which the object is set. 4.8 Specific Handling—Cylindrical Objects 4.8.1 When lifting/moving round or cylindrical objects, the objects should be rolled wherever possible. • Check the integrity of drums of gas cylinders before handling. Confirm lids or caps are secured prior to moving. • Rolling must be controlled by chute,tagline, or other means of limiting acceleration. Manual Lifting(S3AM-014-PR1) Revision 2 July 31,2019 PRINTED COPIES ARE UNCONTROLLED. CONTROLLED COPY IS AVAILABLE ON COMPANY INTRANET. Page 5 of 8