Laserfiche WebLink
I <br /> POLICE HQ—MASONRY CLEANING AND REPAIR APRIL 15,2016 <br /> 1 <br /> I. Joints: Make joints of uniform width. Where joint locations in exposed work are not indicated, <br /> arrange joints for the best visual effect. Fit exposed connections together to form hairline joints. <br /> J. Hazardous Materials: Use products, cleaners, and installation materials that are not considered <br /> hazardous. <br /> 3.4 CUTTING AND PATCHING <br /> A. Cutting and Patching, General: Employ skilled workers to perform cutting and patching. I <br /> Proceed with cutting and patching at the earliest feasible time, and complete without delay. <br /> 1. Cut in-place construction to provide for installation of other components or performance I <br /> of other construction, and subsequently patch as required to restore surfaces to their <br /> original condition. <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 <br /> to 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. I <br /> Provide protection from adverse weather conditions for portions of Project that might be <br /> exposed during cutting and patching operations. <br /> E. Adjacent Occupied Areas: Where interference with use of adjoining areas or interruption of free <br /> passage to adjoining areas is unavoidable, coordinate cutting and patching according to <br /> requirements in Section 011000 "Summary." I <br /> F. Existing Utility Services and Mechanical/Electrical Systems: Where existing services/systems <br /> are required to be removed, relocated, or abandoned, bypass such services/systems before <br /> cutting to minimize interruption to occupied areas. <br /> G. 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 or111 <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 <br /> hammering and chopping. Cut holes and slots neatly to minimum size required, and with <br /> minimum 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 <br /> diamond-core drill. <br /> 4. Excavating and Backfilling: Comply with requirements in applicable Sections where <br /> required by cutting and patching operations. <br /> 5. Mechanical and Electrical Services: Cut off pipe or conduit in walls or partitions to be <br /> removed. Cap, valve, or plug and seal remaining portion of pipe or conduit to prevent <br /> entrance of moisture or other foreign matter after cutting. <br /> 6. Proceed with patching after construction operations requiring cutting are complete. <br /> I <br /> EXECUTION 01 7300-6 <br /> 1 <br />