Department of the Army, Baltimore District, Corps of Engineer, 10 South Howard Street, Room 7000, Baltimore, MD 21201-1715

Z -- H.D WOODSON SENIOR HIGH SCHOOL, REPAIR/REPLACE OPEN PLAZA, SHARPE HEALTH SE, REPAIR/REPLACE ROOF OVER POOL, DISTRICT OF COLUMBIA PUBLIC SCHOOL, WASHINGTON, DC SOL DCPSOC-99-B-0024 DUE 052599 POC Betty Schneider or Esther Foster (410)962-3464 or5638 This procurement is unrestricted, SIC 1761 size standard $7.0 million. Estimated cost of construction is between $250,000.00 and $500,000.00. Period of performance is 60 days from the issuance of the Notice to Proceed. Contractor is required to provide all labor, materials, supervision and equipment required to repair and/or replace as follows: H.D. Woodson Senior High School Open Plaza. The project consists of removing a portion of the plaza roof down to the structural concrete beam and slab along the expansion joints. By means of a Professional Engineer (Structural), a determination of the structural integrity of the concrete beams (at the expansion joints) must be made prior to proceeding with contract. The finding of facts (calculations, data, tests, etc.) shall be submitted to and approved by Engineering Division in the form of a shop drawing. If found to be inadequate, those concrete members must be repaired. All existing plaza drains must be free flowing and in good condition. The drains, which if found not to be in good condition, shall be replaced. The Contracting Officer shall determine whether all or a portion of the roofing system needs to be replaced. Hence, all roofing material down to the structural concrete shall be removed and disposed of; however, concrete pavers shall be salvaged and reused if in good condition. The existing "upside down" roofing system shall be replaced with an appropriate similar roofing system, to be approved by Engineering Division. As an additional measure to ensure rainfall flows away from the building, regrading a grassy area and adding a storm drainage inlet with piping to adjacent storm drainage system is also required. In addition, built-up roofs (four of them) above the tower stairs shall be removed down to the structural slab and replaced in-kind to include flashing. Sharpe Health SE Repair/Replace Roof Over Pool as follows: The project consists of determining the structural adequacy of the prestressed precast double T roof members over the pool by means of aProfessional Engineer (Structural). The finding of facts (calculations, data, tests, etc.) shall be submitted to and approved by Engineering Division in the form of a shop drawing. If found to be inadequate, those precast concrete members along with the roofing material must be repaired and/or replaced. All affected electrical and mechanical equipment affecting roof replacement and/or repair shall be salvaged and reused. Existing heating unit shall be replaced. Areas between the webs of the precast members must be sealed from the exterior with translucent window material. Contractor shall remove three large windows currently block with plywood and ceramic tile and replace with glass block. Manually operated exhaust fans shall be installed within the area of the glass block windows. Concrete members that frame the pool building shall be repaired. All responsibe sources may submit a bid which shall be cinsidered by the agency. Specification are $20.88; Non-Refundable. WE DO NOT ACCEPT PERSONAL CHECKS, ONLY COMPANY CHECKS OR MONEY ORDER. Make check or money order payable to FAO, USAED Baltimore and mail to the attention of CENAB-CT. No cash accepted. Issuance o/a 23 April 1999 bid opening date o/a 25 May 1999. POC for this action is Lydia A. Hill (202)529-2218 Posted 04/07/99 (W-SN317474). (0097)

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