1200 INDUSTRY ST 2025-03-24 - Laserfiche WebLink

point with each delivery. All roofing products shall bear Underwriter Laboratories (U.L.) labels. Materials shall be clean, dry, and free from damage and stored on pallets. E. Delivery and storage of roll goods shall be in closed vans, containers or covered with tarpaulins nightly. No materials shall be allowed to remain on the roof overnight unless set on pallets and fully protected with waterproof tarpaulins. Any material left unprotected on the roof overnight shall be immediately removed and replaced at the Contractor's expense with no exception. F. Use of manufacturer's product protection wrapping is not acceptable for worksite type protection. To prevent moisture accumulation, wrapping shall be punctured or slashed before covering with canvas or polyethylene tarpaulins. G. Protective covering shall be applied in a watertight manner and securely attached during and at the end of each working day. No holes or tears in the covering shall be acceptable. H. Store metal sheets or panels so that water accumulations will drain freely. Do not store sheets or panels in contact with other materials which might cause staining. I. Stack lumber, plywood, and other panels in a manner so as to provide air circulation within and around stacks and under temporary coverings. J. When the ambient temperature drops below 50o Fahrenheit, cold process mastics and adhesives shall be kept in a warm environment. Refer to manufacturer's guidelines for storage and handling. K. Store rolled materials on end unless otherwise indicated by the manufacturer. Do not use rolls of felt in roofing system that have been flattened out of round. L. Select and handle materials and equipment in such a way as to avoid damage to materials and existing roof construction. No storage of materials or traffic shall be allowed on the completed roof. M. Do not load or permit any part of a structure to be loaded with a weight that shall endanger its safety or cause damage. Confine equipment, storage of materials and debris and the operations and movements of workers within the limits as indicated or as directed by the Owner and Owner's Representative. N. Storage of materials should not block entrance ways to the building or the roof. Access to the building will be verified and coordinated with the Owner and Owner's Representative. O. Contractor must take every precaution to prevent interior leakage, materials falling into interior or other such occurrences. Installation of materials shall be accomplished in such a manner that material drippage does not occur. P. Any wet, damaged, or defective material shall be removed from the job site by Contractor as soon as discovered. This material shall be promptly replaced at no cost to the Owner. Q. Use only kettles and/or tankers that have automatic thermostats to control the bitumen temperature, including accurate thermometers that are clean and easy to read. R. Do not allow bitumen to be heated above the finished blowing temperature. If bitumen is heated above the finished blowing temperature, discontinue application until bitumen is allowed to cool to an acceptable temperature. Asphalt that is heated above the finished blowing temperature beyond four hours shall be discarded and not used for the roof system. S. Verify that all materials are protected before, during and after arrival at the job site. Verify that all materials have been adequately protected from moisture and freezing damage while in transit. T. Keep lids tightly sealed on all emulsions, cut back adhesives, and flashing cements to keep volatiles from escaping. U. Any existing materials that are to be salvaged for reuse shall be removed and stored in a manner and location to prevent damage until utilized. SEA00511 / Prologis - SEA00511 01 6000 -4 Product Requirements, - FY24- Everett 1 - Capital Equipment and Material Storage Roofing Project