BLDG 31B New Roofing Below Grade Structure

The National Institutes of Health is seeking a contractor to implement a long-term measure to stop water infiltration to the interior of Building 31B by removing the existing roofing and waterproofing and installing new roofing, waterproofing, and foundation/subsurface drainage and surface drainage. The project involves demolition, modification, and new construction work, including tree removal, exterior stair and masonry work, and reconstruction of the retaining wall. The contractor must provide all materials, labor, equipment, and supervision necessary to complete the project. The project must be completed within 300 workdays from the Notice to Proceed date. • The contractor must attend a mandatory site visit and provide a technical approach, pricing, and past performance experience. • The contractor must comply with all applicable safety requirements and regulations, including OSHA and NIH policies. • The contractor must provide a preliminary project schedule and identify key personnel, including a project manager, superintendent, and quality control manager. • The contractor must provide a price proposal that includes all labor, supervision, materials, equipment, transportation, permits, bonds, insurance, overhead, profit, subcontractor costs, and incidental expenses necessary to complete the work.