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CUTTING AND PATCHING <br /> 010450 -2 <br /> 3.3. Protection: Protect other work during cutting and patching to prevent damage. <br /> Provide protection from adverse weather conditions for that part of the project <br /> that may be exposed during cutting and patching operations. <br /> 1. Avoid interference with use of adjoining areas or interruption of free <br /> passage to adjoining areas. <br /> 2. Take precautions not to cut existing pipe, conduit or duct serving the <br /> building but scheduled to be relocated until provisions have been made to <br /> bypass them. <br /> 3.4. Cutting: Cut the work using methods that are least likely to damage work to be <br /> retained or adjoining work. Where possible review proposed procedures with the <br /> original installer; comply with original installer's recommendations. <br /> 1. Where cutting is required use hand or small power tools designed for <br /> sawing or grinding, not hammering and chopping. Cut through concrete <br /> and masonry using a cutting machine such as a carborundum saw or core <br /> drill. Cut holes and slots neatly to size required with minimum <br /> disturbance of adjacent work. To avoid marring existing finished <br /> surfaces, cut and drill from the exposed or finished side into concealed <br /> surfaces. Temporarily cover openings when not in use. <br /> 3.5. Patching: Patch with seams which are durable and as invisible as possible. I <br /> Comply with specified tolerances for the work. <br /> 1. Restore exposed finishes of patched areas and where necessary extend <br /> finish restoration into retained adjoining work in a manner which will <br /> eliminate evidence of patching and refinishing. <br /> END OF SECTION 010450 <br /> I <br /> 02/19/13 <br />