Z -- REHABILITATION OF ROOF

Notice Date

July 26, 2001

Contracting Office

National Park Service, Southeast Field Area, 1924 Building, 100 Alabama, SW, Atlanta, Georgia 30303

ZIP Code

30303

Solicitation Number

I5190010455

Point of Contact

Dianne Mitchell, (404)562-3163 ext.575

E-Mail Address

National Park Service (dianne_mitchell@nps.gov)

Description

The National Park Service has a project entitled Rehabilitation of Visitor Center Roof at Wright Brothers National Monument in Kill Devil Hill, North Carolina. The contractor shall provide all materials, labor, parts, equipment, tools and supervision and all incidentals as necessary for Rehabilitation of the Roof. The work consists of but is not limited to, the following items: (1)Develop and prepare approx. 15 to 20 concrete samples using a concrete mix design to match existing finish, apperance, texture and color of the existing concrete. This shall include form finish, exposed aggregate, and all other finishes to be repaired. The samples are to be reviewed and approved prior to proceeding with the work. (2)Develop and prepare approx. 15 to 20 mortar parging samples using a polmer-modified mortar mix design to match existing finish, appearance, texture and color of the existing concrete. This shall include all finishes to be repaired. The samples are to be reviewed and approved prior to proceeding with work. (3)Construct trial formwork to match existing horizontal and vertical formboard finish. Prepare trial samples of the concrete mix design in the trial formwork to match the existing adjacent concrete. (4)Perform trail repairs of parging of concrete dome wall in sample area with selected materials and methods to determine the proper method. (5)Routing and installation of sealant at cracks and construction joints. (6) Cleaning, preparation, and repair of areas of distressed and deteriorated concrete. (7)Application of a clear penetrating sealer to the architectural concrete. (8)Application of a coating at select areas of the building. In addition to the concrete repair and rehabilitation , the improvements to be provided by the contractor include the following: (1)Removal of the existing roofing and underlying insulation to the structural decking. (2)Removal of vent flashing at existing vents to remain. (3) Removal of vents and roof penetrations indicated on the drawings to be removed. (4)Removal and re-installation of flues and vents indicated on the drawings to be removed and reinstalled. (5)Removal of existing acrylic dome skylights and associated curbs and accessories. (6)Removal of all curbs and penetrations. (7)Provision of new modified bitumen roofing system. (8)Repair of existing exposed concrete and parge coating. (9)Installation of new roof drains and lines. (10)Installation of new glas block skylights, curbing, and acrylic cover. (11)Installation of flashing. (12)Cleaning of concrete. (13)Installation of waterproof coating on exposed horizontal concrete surfaces. The North American Industry Classification System (NAICS) Code is: 23332. The size standard is $27.5 million. The price range is: $500,000.00 to $1,000,000.00. All requests for the Invitation for Bid (IFB) shall be in writing only. NO TELEPHONE REQUESTS WILL BE ACCEPTED. All requests shall consist of the IFB# I5190010455, complete company name, point of contact, complete address, telephone and fax numbers. The IFB will be issued on or about August 13, 2001. REQUESTS CAN BEE FAXED TO (404)562-3256, ATTN: DIANNE MITCHELL. A firm-fixed contract will be awarded. NOTE: IT IS NOT DECIDED AT THIS TIME BUT A PRE-BID MEETING MAY BE SCHEDULE PRIOR TO THE BID OPENING DATE. ALL INTERESTED BIDDERS WILL BE NOTIFIED OF THE DATE, TIME, AND PLACE IF A MEETING IS TO BE HELD. ALL BIDDERS WILL BE ENCOURAGED TO ATTEND THIS MEETING.

Web Link

National Park Service (dianne_mitchell@nps.gov)

Record

Loren Data Corp. 20010730/ZSOL010.HTM (W-207 SN50T157)