SOURCES SOUGHT
56 -- Rockfall Net - Rock Net
- Notice Date
- 5/19/2011
- Notice Type
- Sources Sought
- NAICS
- 237310
— Highway, Street, and Bridge Construction
- Contracting Office
- Department of Transportation, Federal Highway Administration (FHWA), Central Federal Lands Highway Division, 12300 West Dakota Avenue, Lakewood, Colorado, 80228
- ZIP Code
- 80228
- Solicitation Number
- Rockfall-Net
- Archive Date
- 6/10/2011
- Point of Contact
- Craig Holsopple, Phone: 7209633350
- E-Mail Address
-
craig.holsopple@fhwa.dot.gov
(craig.holsopple@fhwa.dot.gov)
- Small Business Set-Aside
- N/A
- Description
- Rock Net Sources Sought THIS IS A SOURCES SOUGHT NOTICE ONLY. This is not a solicitation or request for quotes and no contract or purchase order will be awarded from this notice. There is no solicitation, specifications or drawings available at this time. The Federal Highway Administration-Central Federal Lands Highway Division is seeking potential sources that are capable of providing stainless steel rockfall net and spike plate material for securing rock slopes and overhangs at the Point Bonita Bridge site at Golden Gate National Recreation Area (GGNRA) in Marin County, California. The rockfall net is to be part of a retention system, where rock bolts on an approximate 5 foot grid-like spacing will be used to attach the net to the rock face. 2,300 square feet of High-Tensile 318 Stainless Steel Wire net meeting the specifications listed below is required. Galvanized netting is not acceptable. 118 stainless work hardened steel spike plates meeting AISI 316 are also required. Net installation and all other associated materials required for net installation (i.e. rock bolts, boundary rope, etc) will not be procured in at this time. The supplier of the rock protection net must be certified to comply with ISO 9001. Rockfall Net: Mesh Dimensions Mesh Shape: Rhomboid Diagonal: (+/- 5%) x ~ 11.5 inches y ~ 19.7 inches Mesh Width: (+/- 5%) D i ~ 9 inches Angle of Mesh: ε = 50 degrees Corrosion Protection Stainless Steel UNS S31803 EN1008-3 1.4462 2205 Load Capacity Tensile Strength of Net: ≥ 12,300 lb/ft Steel Wire Wire Diameter: D L approx. 5/32 inch Tensile Strength: ≥ 211,000 psi Material: High-Tensile 318 Stainless Steel Wire Tensile Strength of a Wire: ≥ 4,000 pounds Steel Strand Strand Diameter: Approx. 11/32 inch Construction: 1 x 3 Net Rolls Roll Width: Approx. 11.5 feet Net Edges: Mesh ends knotted Quantity: 2200 square feet Spike Plate: The spike plate should have two spikes and rope guides as shown in the attachment. Shape and Dimensions Shape: Rhombus Material: Stainless Steel Distance Between Spikes: 12 inches Hole Diameter: 1.5 inches Plate Thickness (Min.): Approx. 13/32 inch Corrosion Protection Stainless Steel: work hardened AISI 316 Load Capacity Bending Resistance Along Longitudinal Axis (Min.) 0.07 ft-lb.
- Web Link
-
FBO.gov Permalink
(https://www.fbo.gov/spg/DOT/FHWA/68/Rockfall-Net/listing.html)
- Place of Performance
- Address: Golden Gate National Recreation Area, San Francisco, California, 94123, United States
- Zip Code: 94123
- Zip Code: 94123
- Record
- SN02452459-W 20110521/110519234817-f314715c2a12ddbd1489b0f7ff95a4f3 (fbodaily.com)
- Source
-
FedBizOpps Link to This Notice
(may not be valid after Archive Date)
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