Remove and dispose of the existing roof system including flashings and sheet metal down to the existing poured gypsum deck. Provide base sheet mechanically attached to roof deck. Provide vapor retarder. Provide roof insulation system. Provide a cold adhesive applied two-ply modified bitumen roof membrane along with flashings and accessories. Replace sheet metal flashings and trim. Provide a complete, weathertight, 20-year warrantable roof assembly with 30-year finish warranty.

Otts Street Facilities Roof Replacement Project

The existing roof area consist of a concrete deck, hot mopped asphalt base layer, a layer of tapered isocyanurate insulation, a one and three-quarter inch layer of perlite insulation, and a 2-ply modified bitumen roof membrane. The existing roof systems shall be removed to the deck. The deck shall be cleaned and prepared for reinstallation of roofing materials. Install a one and one-half inch base layer of isocyanurate insulation set in foam insulation adhesive. Adhere a new base layer to the existing concrete deck in foam insulation adhesive as required to meet 90psf uplift per FM Global. Install an additional layer of one-eigth inch per foot tapered isocyanurate insulation set in foam insulation adhesive. Install new silicon impregnated fiberglass reinforced cover board in foam insulation adhesive. Fully adhere new PVC membrane and flashings as specified herein and as shown in the project drawings as required by the manufacturer for a twenty-year (20) NDL Manufacturer’s Warranty. The new roof system shall be able to resist the win uplift loading.

Police and Fire Training Academy Roof Replacement

The project consists of a roof replacement at Police and Fire Training Academy, in Charlotte, North Carolina. This work includes labor, materials, equipment, supervision, and administration to replace the existing two-ply modified bitumen roof system with the specified thermoplastic, single-ply roof system on 4 roof areas totaling approximately 59,115 square feet of roof area.

Roof Replacement and Building Envelope Repairs

The purpose of this contract is to perform roof replacement and building envelope repairs for two buildings located at 4800 and 4814 West Boulevard, Charlotte, North Carolina. Estimated term to be less than one year.

Roof and Sealant Replacement (4824 West Blvd)

This contract will be to provide roof and sealant replacement on the building at
4824 West Boulevard for Charlotte Douglas International Airport, Charlotte, North Carolina. This will be a complete removal of existing roofing membrane, insulation, flashings, sheet metal flashings, gutters, and downspouts, and complete removal of all existing backer rod and sealant at exterior wall brick control joints; repair and/or replacement of rusted and/or deteriorated metal deck, and the installation of new insulation, cover board, mechanically fastened 60 mil TPO membrane and associated flashings, sheet metal flashings, gutters and downspouts, and backer rod and sealant at exterior wall brick control joints and all associated miscellaneous work. The contractor must also provide temporary protection of contents in the building and cleanup of debris associated with removals. The roof has exceeded the expected lifespan and is currently 30+ years old. The project term will be 180 days.

Airport Roof Replacement and Repairs

Charlotte Douglas International Airport (CDIA) has responsibility for maintenance and repair of approximately one hundred (100) buildings including the airport terminal. CDIA requires a minimum of two on-call contractors to perform repairs, replacement and emergency roof repairs of these facilities.

The selected contractors will enter into a time and materials contract for on-call roof replacement and repair services on an as needed basis. The contract will include a three (3) base years and two (2) optional one-year (I) terms for a total potential contract period of five (5) years. The work shall include the furnishing of all supervision, labor, materials, and services required to make the necessary repairs. Along with making repairs to roofs, the contractors shall be required to demolish and remove existing roof materials and dispose of all waste material.  Repairs shall be billed on an agreed upon hourly rate and percent mark-up on materials.