885.1 General Description
This section includes the requirements for elastomeric bearing pads.
885.1.01 Related References
A. Standard Specifications Section 106—Control of Materials B. Referenced Documents AASHTO Standard Specifications for Highway Bridges: Divisions I and II AASHTO LRFD Bridge Design Specifications and AASHTO LRFD Bridge Construction Specifications AASHTO M 251 NTPEP Committee Work Plan for Evaluation of Plain and Laminated Elastomeric Bridge Bearing Manufacturer (EBB-17-01)
885.2 Materials
885.2.01 Elastomeric Pads
A. Requirements 1. Type Use elastomeric bearing pads of the types, dimensions, and shapes specified in the plans. a. Design the pads according to Division I of the AASHTO Standard Specifications for Highway Bridges or Section 14 of the AASHTO LRFD Bridge Design Specifications, as specified in the plans. b. Use 100 percent virgin chloroprene (neoprene) that meets the requirements of AASHTO M 251 as the elastomer portion of the compound, unless otherwise specified. 2. Certification: Submit, with each shipment from the neoprene manufacturer, a certification to the Engineer about the physical properties of the material and compliance with these specifications. a. Submit a certificate from the pad manufacturer stating that the lot representing the shipment has been tested according to AASHTO M 251. b. Include test results data in the certificates. 3. Participation in the National Transportation Product Evaluation Program (NTPEP) a. Elastomeric bearing pads shall meet the requirements, auditing and testing criteria for the NTPEP Committee Work Plan for Evaluation of Plain and Laminated Elastomeric Bridge Bearing Manufacturer. b. Submit to the Office of Materials & Testing (OMAT), the audit results from the NTPEP evaluation. B. Fabrication Use the materials, fabricate, and install the pads according to Division II of the AASHTO Standard Specifications for Highway Bridges or Section 18 of the AASTHO LRFD Bridge Construction Specifications, as specified in the plans. C. Acceptance The Department will accept the pads based on the material certification and inspection of each pad. The Department will inspect the pads when received for compliance to quality of work, type, dimension, and shape requirements. The Department reserves the right to sample and test completed pads according to the provisions of Section 106. D. Materials Warranty General Provisions 101 through 150.
Elastomeric Bearing Pads in other states
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