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� ` <br /> ' 4 � � <br /> without disturbance of track alignment and surface, and to avoid <br /> obstructing track clearances with working equipment, tools or other <br /> material. All plans and calculations for shoring shall be prepared <br /> and signed by a Registered Professional Engineer. The Registered <br /> Professional Engineer will be responsible for the accuracy for all <br /> controlling dimensions as well as the selection of soil design values <br /> that accurately reflect the actual field conditions. The procedure for <br /> doing such work, including the need of and plans and calculations <br /> for shoring, shall first be approved by the Engineer and the Railroad <br /> Engineer, but such approval shall not relieve the Contractor from <br /> liability. <br /> D. Demolition, Erection, Hoistin� <br /> 1. Railroad tracks and other railroad property must be protected I, <br /> from damage during the procedure. <br /> 2. The Contractor is required to submit a plan showing the <br /> location of cranes, horizontally and vertically, operating radii, <br /> with delivery or disposal locations shown. The location of all <br /> tracks and other railroad facilities as well as all obstructions <br /> such as wire lines, poles, adjacent structures, etc. must also be <br /> shown. <br /> 3. Crane rating sheets showing cranes to be adequate for 150°/a of <br /> the actual weight of the pick. A complete set of crane charts, <br /> including crane, counterweight, and boom nomenclature is to <br /> be submitted. <br /> 4. Plans and computations showing the weight of the pick must <br /> be submitted. Calculations shall be made from plans of the <br /> existing and/or proposed structure showing complete and <br /> sufficient details with supporting data for the demolition or <br /> erection of the structure. If plans do not exist, lifting weights <br /> must be calculated from �eld measurements. The �eld <br /> measurements are to be made under the supervision of the <br /> Registered Professional Engineer submitting the procedure <br /> and calculations. <br /> 5. A data sheet must be submitted listing the types, size, and <br /> arrangements of all rigging and connection equipment. <br /> 6. A complete procedure is to be submitted, including the order <br /> of lifts, time required for each lift, and any repositioning or re- <br /> hitching of the crane or cranes. <br /> 4 <br />