Duncan Hall Roof Replacement

A. This Section outlines the scope of work included in the roof replacement project at Howard Community College, Duncan Hall in Columbia, MD. Refer to the appropriate specification section for further information about installation methods and components to be provided. In general, the work includes, but is not limited to, the following items: 1. Remove and dispose of existing roofing systems and components, including membrane, insulation, vapor barriers, flexible and metal flashings, wall panels and associated materials and components down to structural deck unless otherwise noted (Division 02 Section Selective Structure Demolition). 2. Repair or remove and replace existing deteriorated steel deck on a unit price basis (Division 05 Section Steel Decking). 3. Provide a roof access ladder and free standing stair (Division 05 Section Metal Fabrications). 4. Provide wood blocking and plywood at perimeter edges, parapets, walls, fascias, curbs, and other locations as required (Division 06 Section Rough Carpentry). 5. Provide new multi-layered flat and tapered insulation systems and crickets throughout the roof areas (Division 07 Section Roof and Deck Insulation). 6. Provide 4-ply asphalt built-up membranes with granule surfaced modified bitumen capsheet, and SBS modified bitumen membrane or liquid-applied base flashings and strippings (Division 07 Section Built-Up Asphalt Roofing). 7. Provide perimeter and penetration sheet metal flashings and counterflashings, and miscellaneous sheet metal fabrications (Division 07 Section Flashing and Sheet Metal). 8. Provide metal curbs, a roof access hatch, and non-penetrating conduit supports (Division 07 Section Roof Accessories). 9. Provide sealant materials at existing skylight assembly (Division 07 Section Joint Sealants). 10. Provide coating over finished roof membrane on areas indicated on Drawings (Division 09 Section Elastomeric Coatings). 11. Provide roof drain assemblies at existing roof drain locations and leader piping and extensions at existing vent pipes (Division 22 Section Roof Drains). 12. Disconnect and reconnect existing mechanical/electrical components, to include lightning protection to restore proper operation to rooftop equipment following installation of roofing (Division 23 Section Mechanical/Electrical General Requirements). 13. Provide all duct accessories as required for a complete system (Division 23 Section Air Duct Accessories). 14. Provide new metal ducts (Division 23 Section Metal Ducts). Howard Community College is seeking fixed price bids for partial replacement of the roof of the Duncan Hall building on the main campus Minority vendors are encouraged to respond to this solicitation. For any additional questions, contact Domonic Cusimano, Director of Procurement, Howard Community College, 10901 Little Patuxent Parkway, Columbia, Maryland 21044. Email requests to: dcusimano@howardcc.edu

Division 07 -

Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection.