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<br />075400.14 – THERMOPLASTIC SINGLE-PLY ROOF SYSTEM <br /> <br />Project Manual for Whitted Building Roof Replacement <br />Orange County, Hillsborough, NC <br />Prepared by Atlas Engineering, Inc., 551-A Pylon Drive – Raleigh, NC 27606 <br />May 2022 <br /> <br /> <br /> <br /> <br />3.07 INSTALLATION OF ROOF ACCESSORIES <br /> <br />A. Walk Tread: Layout walk tread to avoid installation of the tread over membrane and flashing seams. <br />Clean membrane in accordance with the manufacturer’s recommendations. Adhere field of walk <br />tread to the membrane and hot-air weld around entire perimeter of walk tread. <br /> <br />B. Sealants and Primers: Install gunnable and tape sealants, primers, and other accessory items in <br />accordance with the recommendations of the warranting manufacturer. <br /> <br />C. Install edge metal, membrane-clad metal, copper, trim, and counterflashings in accordance with <br />Section 076200. <br /> <br />D. Install other roof system accessories as shown on the detail drawings or required by the membrane <br />manufacturer in accordance with the manufacturer’s instructions. <br /> <br />3.08 FIELD QUALITY CONTROL <br /> <br />A. The Contractor is responsible for initiating and maintaining daily execution of a quality control <br />program that will include, but is not limited to supervision by the job foreman or supervisor during <br />substrate preparation, installation of insulation and coverboard, installation of fasteners and <br />adhesives, calibration of heat-welding equipment, and probing of heat-welded seams. <br /> <br />B. Correct defects and irregularities as directed by Engineer or Owner’s representative. If <br />inconsistency in the overall quality of the installation is observed or suspected by the Engineer, <br />Owner, or roof system manufacturer, work shall stop until proper corrective actions are taken to <br />ensure continuity of the workmanship. <br /> <br />C. Require representative of membrane manufacturer to make inspections as necessary, (minimum of <br />three visits and final inspection) to qualify roofing system for manufacturer’s warranty specified in <br />this section. Refer to Section 014000 for additional requirements. <br /> <br />D. Inform Engineer of all manufacturer inspections a minimum of 48 hours before inspection is to <br />take place. Provide a copy of manufacturer’s inspection reports to the Engineer. <br /> <br />E. The Engineer will take periodic test cuts in the laps to determine lap installation quality. Defective <br />areas will be repaired by the contractor. <br /> <br />3.09 JOB AND WEATHER CONDITIONS <br /> <br />A. Suspend all application and installation activities during inclement weather and confirm proper <br />temperature and humidity ranges prior to application of sealants, adhesives, and other products <br />reliant upon temperature/humidity for proper curing. <br /> <br />DocuSign Envelope ID: 89558C18-938A-4BFF-B14A-A2214E8AA5DD