Site work, new construction and renovation of a mixed-use development in Garber, Oklahoma. Completed plans call for the construction of a 6,200-square-foot, one-story above grade educational facility; for the renovation of a educational facility; and for site work for a educational facility.

GENERAL 1. Scope: Furnish and install 60 mil single-ply membrane roofing system that is fabricated of a weft inserted low-shrink, anti-wicking polyester fabric and has a thermoplastic coating of co-polymer alloy (CPA) material laminated to both sides, as manufactured by Duro-Last Roofing, Inc. or approved equal. 2. Application: Thermoplastic coated membrane (CPA) consists of a weft inserted polyester scrim (18x14, 100 denier), laminated on both sides with a plasticized blend of vinyl and acrylic polymers allowing installation through the use of continuous 3-1/4 inch securing tabs, factory dielectrically welded every 57 inches on center (prefabricated). Mechanical fasteners and distribution plates are used through the 3-1/4 inch tab. 3. Physical Properties: The single ply membrane must be capable of being installed at any time of the year, and shall provide resistance to ultra-violet rays, tear and puncture strength, and shall be impervious to caustic chemicals and acids, and show no ill effects to heat or cold. 4. Regulatory Agencies: Membrane and related items shall be classified by Underwriters Laboratories, Inc. as a Class A Sheathing Material for use in construction of Class A coverings and amendments. (Membrane and related items shall be Factory Mutual Research approved as an FM I-90 assembly and installation.) 5. Roofing Contractor's Qualifications: A. Contractor shall submit work history data showing successful warranted installation experience of the system specified. Contractor shall be certified and authorized by the roofing system manufacturer to install the specified manufacturer's materials. Contractor must have been certified by manufacturer for the past 5 years, and shall have 5 years minimum experience installing the system specified, and have installed a minimum of 2 million square feet of the manufacturer's system. B. The contractor shall use qualified workmen who are thoroughly trained in the crafts and techniques required to properly install the type of roofing system and related work specified, and to complete the work within the required time. C. The contractor shall have an experienced, pre-qualified, thoroughly trained superintendent having experience installing the roof system specified, who is familiar with the requirements of this project, on the job at all times when roofing system work is in progress. Training for superintendent shall include certification of completion of manufacturer's in-house training course and on-site training. D. Contractor must be located within 200 miles of the project, and must be capable of responding to leak calls within 3 hoursr