887.1 General Description
This section includes the requirements for polytetrafluoroethylene (PTFE) bearing surfaces.
887.1.01 Related References
A. Standard Specifications Section 106—Control of Materials B. Referenced Documents AASHTO LRFD Bridge Construction Specifications ASTM D 4894 ASTM D 4895
887.2 Materials
887.2.01 PTFE Bearing Surfaces
A. Requirements 1. Ensure the expansion bearings with polytetrafluoroethylene (PTFE) sliding surfaces meet the dimensions shown on the Plans and meet the requirements of the fastening method to the structure. 2. Use bearings that meet the requirements for PTFE Bearing Surfaces in the AASHTO LRFD Bridge Construction Specifications. 3. Ensure the PTFE resin is virgin material, not reprocessed, and meets the requirements of ASTM D 4894 and ASTM D 4895. 4. Submit certified test reports, materials certificates, and a certificate of compliance with this Specification. B. Fabrication 1. Package each completed bearing to protect it from damage during shipment and storage. 2. Clearly identify and mark the components of each bearing and securely fasten them for shipment. Ship to the Project locations for each structure, as stated on plans. C. Acceptance The Department reserves the right to sample and test completed bearings or components according to Section 106. D. Materials Warranty General Provisions 101 through 150.
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