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DocuSign Envelope ID:D561B1AE-DF34-4907-AD06-AOEB37BBE427 <br /> CHAPEL HILL ORANGE COUNTY VISITORS BUREAU August 12,2020 <br /> 308 WEST FRANKLIN,CHAPEL HILL,NC <br /> B. Use concealed anchorages where possible. Provide brass or lead washers fitted to screws where <br /> required to protect metal surfaces and to make a weathertight connection. <br /> C. Form closely fitted joints with exposed connections accurately located and secured. <br /> D. Provide perimeter reveals and openings of uniform width for sealants and joint fillers, as indicated. <br /> E. Repair finishes damaged by cutting, welding, soldering, and grinding. Restore finishes so no evidence <br /> remains of corrective work. Return items that cannot be refinished in the field to the factory, make <br /> required alterations, and refinish entire unit or provide new units. <br /> F. Protect unpainted galvanized and nonferrous-metal surfaces that will be in contact with concrete, <br /> masonry, or dissimilar metals from corrosion and galvanic action by applying a heavy coating of <br /> bituminous paint or by separating surfaces with waterproof gaskets or nonmetallic flashing. <br /> G. Install concealed gaskets, flashings,joint fillers, and insulation as louver installation progresses, where <br /> weathertight louver joints are required. Comply with Division 07 Section "Joint Sealants" for sealants <br /> applied during louver installation. <br /> 3.4 ADJUSTING AND CLEANING <br /> A. Test operation of adjustable louvers and adjust as needed to produce fully functioning units that comply <br /> with requirements. <br /> B. Clean exposed surfaces of louvers and vents that are not protected by temporary covering, to remove <br /> fingerprints and soil during construction period. Do not let soil accumulate during construction period. <br /> C. Before final inspection, clean exposed surfaces with water and a mild soap or detergent not harmful to <br /> finishes. Thoroughly rinse surfaces and dry. <br /> D. Restore louvers and vents damaged during installation and construction so no evidence remains of <br /> corrective work. If results of restoration are unsuccessful, as determined by Architect, remove damaged <br /> units and replace with new units. <br /> 1. Touch up minor abrasions in finishes with air-dried coating that matches color and gloss of, and <br /> is compatible with, factory-applied finish coating. <br /> END OF SECTION 089000 <br /> LOUVERS AND VENTS 089000 - 8 <br />