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9/2/2020 <br /> <br /> 017300 - 6 <br />B. Existing Warranties: Remove, replace, patch, and repair materials and surfaces cut or damaged <br />during installation or cutting and patching operations, by methods and with materials so as not to <br />void existing warranties. <br />C. Temporary Support: Provide temporary support of work to be cut. <br />D. Protection: Protect in-place construction during cutting and patching to prevent damage. Provide <br />protection from adverse weather conditions for portions of Project that might be exposed during <br />cutting and patching operations. <br />E. Cutting: Cut in-place construction by sawing, drilling, breaking, chipping, grinding, and similar <br />operations, including excavation, using methods least likely to damage elements retained or <br />adjoining construction. If possible, review proposed procedures with original Installer; comply <br />with original Installer's written recommendations. <br />1. In general, use hand or small power tools designed for sawing and grinding, not hammering <br />and chopping. Cut holes and slots neatly to minimum size required, and with minimum <br />disturbance of adjacent surfaces. Temporarily cover openings when not in use. <br />2. Finished Surfaces: Cut or drill from the exposed or finished side into concealed surfaces. <br />3. Concrete and Masonry: Cut using a cutting machine, such as an abrasive saw or a diamond- <br />core drill. <br />4. Excavating and Backfilling: Comply with requirements in applicable Sections where <br />required by cutting and patching operations. <br />5. Proceed with patching after construction operations requiring cutting are complete. <br />F. Patching: Patch construction by filling, repairing, refinishing, closing up, and similar operations <br />following performance of other work. Patch with durable seams that are as invisible as <br />practicable. Provide materials and comply with installation requirements specified in other <br />Sections, where applicable. <br />1. Inspection: Where feasible, test and inspect patched areas after completion to demonstrate <br />physical integrity of installation. <br />2. Exposed Finishes: Restore exposed finishes of patched areas and extend finish restoration <br />into retained adjoining construction in a manner that will minimize evidence of patching <br />and refinishing. <br />a. Clean piping, conduit, and similar features before applying paint or other finishing <br />materials. <br />3. Exterior Building Enclosure: Patch components in a manner that restores enclosure to a <br />weathertight condition and ensures thermal and moisture integrity of building enclosure. <br />G. Cleaning: Clean areas and spaces where cutting and patching are performed. Remove paint, <br />mortar, oils, putty, and similar materials from adjacent finished surfaces. <br />3.7 PROGRESS CLEANING <br />A. General: Clean Project site and work areas daily, including common areas. Enforce requirements <br />strictly. Dispose of materials lawfully. <br />1. Comply with requirements in NFPA 241 for removal of combustible waste materials and <br />debris. <br />DocuSign Envelope ID: 7D9ACD4F-8F6C-42B6-9ADB-C60032DB6D03