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PART 3 EXECUTION <br /> 3.01 EXAMINATION <br /> A. Contractor to inspect substrate for soundness and notify Engineer in writing of any <br /> deficiencies. <br /> B. Commencement of work signifies Contractor's acceptance of substrate. Any defects in <br /> roofing work resulting from such accepted substrates shall be corrected to Owner's <br /> satisfaction at no additional expense. <br /> 3.02 PREPARATION <br /> A. General <br /> 1. Roof deck to be dry and broomed clean of debris and foreign matter prior to <br /> installation of insulation system. <br /> 3.03 APPLICATION <br /> A. General <br /> 1. Application shall be in accordance with the insulation/membrane manufacturer's <br /> instructions and these specifications. <br /> 2. All insulation to be in full sheets, carefully fitted and pushed against adjoining <br /> sheets to form tight joints. Gaps exceeding 1/4 inch will not be accepted. <br /> 3. Insulation and overlayment boards that must be cut to fit shall be saw cut or <br /> knife-cut in a straight line,not broken. Chalk lines shall be used to cut insulation. <br /> Uneven or broken edges are not acceptable. <br /> 4. Remove insulation dust and debris that develops during insulation cutting <br /> operations. <br /> 5. Joints between successive and adjacent layers of insulation to be offset a <br /> minimum of six(6")inches. <br /> 6. Stagger joints of gypsum overlayment/overlayment insulation one (1') foot <br /> (vertically and laterally)to ensure that joints do not coincide with joints from the <br /> previous or adjacent layer. <br /> 7. On steel decks, apply insulation boards with long dimension of units across deck <br /> ribs. Ends of insulation boards must be bearing on top flange of steel deck. <br /> 8. Crickets,saddles and tapered edge strips shall be installed before the overlayment <br /> insulation. <br /> 9. Adhere tapered edge strips at transitions, terminations and/or penetrations as <br /> detailed or required in ribbons of foam adhesive to ensure smooth transitions are <br /> provided for the roof membrane and flashings. <br /> 10. Provide necessary modifications to insulation system or nailers at roof edges as <br /> required to ensure a flush and smooth transition is provided for the roof <br /> membrane and flashing. <br /> 11. Field modifications of insulation,tapered insulation,tapered edge strips and cants <br /> shall be made by the Contractor where required to accommodate roof and <br /> flashing conditions, prevent water dams and ponding water. Ponding water at <br /> scuppers and cricket valleys shall not be accepted. <br /> 12. Provide necessary modifications to prevent standing water which is defined as <br /> 1/4" of water in a 4-square foot or larger area 24 hours or more after <br /> precipitation. <br /> Sebastian Corners Roof Replacement 07 22 16-4 Roof Insulation <br />