National Park Service, Denver Service Center 12795 West Alameda Parkway, P.O. Box 25287, Denver, CO 80225

54 -- SOURCES SOUGHT FOR TWO FULLY ENGINEERED CLEAR SPAN BRIDGES OF FIBER REINFORCED PLASTIC CONSTRUCTION WITH TIMBER DECKING SOL 1443-CX-2000-95-020 POC Marlene Haussler, 303/969-2046 The National Park Service, Denver Service Center, 12795 West Alameda Parkway, P.O. Box 25287, Denver, CO 80225 is seeking to negotiate and award a contract pursuant to the authority described at 41 U.S.C. 253 (c) (1) and FederalAcquisition Regulation (FAR) 6.302-1 (a) (2) Only One Responsible Source and No Other Supplies or Services will Satisfy the Agencies Requirements. The contractwill be negotiated with E.T. Techtonics, Philadelphia, PA to provide for two pedestrian bridges described as follows: GENERAL: a. Two fully engineered clearspan bridges of fiber reinforced plastic (FRP) construction with timber decking.2.DIMENSIONS: a. Spans of 80 feet and 40 feet. b. Bridge inside deck width shall be 4 feet. c. Railing Height shall be 36 inches above bridge deck. 3. DESIGN: a. Bridge mounting clips to be made of A36 galvanized steel. b. Supportstructure may be shipped in sections. c. Components of the support structure cannot exceed 30 feet or 75 pounds. 4. ENGINEERING: a. Bridge shall be designedfor a minimum uniform live load of 60 pounds per square foot. b. Wind loading shall be taken as 20 pounds per square foot on an open frame type structure. c. Deflection requirements: Live Load = L/360; Dead Load + Live Load = L/180. d. Vibration Requirements: Minimum frequency of the system should not be less than 5 cycles per second. e. Bridge Support Structure shall be fabricated from high strength E-glass and isophthalic polyester resin. Weathering and ultraviolet light protection shall be provided by addition of a Nexus Veil to the laminate construction. f. Minimum Material Specifications are as follows: Tension -20,000 psiCompression - 20,000 psiShear - 5,500 psiBending - 20,000 psiYoung's Modulus (E) - 2,500,000 psi 5. FOUNDATIONS: a. Engineering design and construction of the bridge supporting foundations will be the responsibilityof the National Park Service. 6. DELIVERY AND ERECTION: a. Bridge Manufacturer shall be responsible for the delivery and unloading of the bridges at the Kipahula area of Haleakala National Park, Hawaii. b. National Park Service shall be responsible for the erection of the bridges. All work shall be directed by NPS Policy and Directive. Responses must be received within 30 calendar days from the date of this publication to be considered for selection. This is not a request for proposals. (0191)

Loren Data Corp. http://www.ld.com (SYN# 0519 19950711\54-0003.SOL)