600422.04—Measurement and Payment Navigation lights will be paid for at the contract lump sum price, wherein no measurement will be made. This price shall include furnishing and installing conduit, conductor cable, service entrance equipment, junction boxes, navigation lights, lamp changer, photoelectric control and step-down transformer, control center cabinet, and safety switch. Payment will be made under: —————————————————— Pay Item Pay Unit—————————————— ———— Navigation lights Lump sum—————————————————— SECTION 423 – TOOTH EXP ANSION JOINT ASSEMBL Y
423.01 Description
This work shall consist of furnishing and installing tooth expansion joint assemblies, including associ - ated neoprene troughs and connections to outlet devices, in accordance with these specifications and in conformity with the lines, grades and locations shown on the plans or established by the Engineer.
423.02 Materials
Materials shall conform to Sections 212 and 226. Neoprene troughs shall be made of continuous material. Field splices shall not be permitted unless approved by the Engineer. Structural steel shall be hot-dipped galvanized in accordance with Section 233.
423.03 Procedures
Working drawings showing complete details and dimensions of the tooth expansion joint and other pertinent information shall be submitted to the Engineer for review in accordance with Section 105.10. Where indicated on the plans, the Contractor shall remove and replace portions of the existing deck and backwall to facilitate anchorage and installation. Such removal and replacement shall be performed and measured and paid for in accordance with Section 412. Fabrication shall conform to Sections 407 and 212. Tooth thickness shall be specified on the plans. All dimensions of the tooth expansion joint assemblies shall be checked after they are galvanized and before they are delivered to the field. The Contractor shall be responsible for misfits and errors and shall make necessary corrections or replacements at the Contractor’ s expense. Tooth expansion joint assemblies shall seal the deck surface, gutters, curbs, sidewalks, parapets, and raised medians to prevent water and other contaminants from seeping onto the superstructure and 422.04 601substructure members and shall include provision for connection to drainage outlets to prevent leakage of collected rainwater at any point along the joint or outlet. Final sealing of the finished joint shall be completed as soon as practicable after installation. Surfaces exposed to roadway traffic shall have antiskid provisions as indicated on the plans.
423.04 Measurement and Payment
Tooth expansion joint assembly will be measured in linear feet measured along the pavement surface from out to out of the deck slab for the tooth thickness specified and will be paid for at the contract unit price per foot. This price shall include furnishing and installing tooth expansion joint assembly, all necessary components and anchoring devices. Payment will be made under: ————————————————————————————— Pay Item Pay Unit—————————————————————————————Tooth Expansion Joint Assembly (Tooth thickness) Linear foot————————————————————————————— SECTION 424 - ASPHALT PLUG JOINTS
424.01 Description
This work shall consist of supplying and installing a blended polymer modified asphaltic binder and aggregate system in layers into a prepared expansion joint block-out on an asphalt concrete overlay on a concrete bridge deck. After installation and curing, the system will provide a flexible waterproof bridge joint which will allow for a joint movement of 1 inch in expansion and 1 inch of compression. The joint shall be placed at a nominal width of 20 inches and a thickness of no less than 2 inches.
424.02 Materials
a.Backer rod shall be expanded closed cell polyethylene foam capable of withstanding the elevated installation temperature (390°F) of the hot binder material and meet the specification requirements of ASTM D 5249.
b.Asphalt binder shall be thermoplastic polymeric-modified asphalt conforming to Table 1 of ASTM D 6297.
c.Aggregate shall be non-polishing of the Basalt, Gabbro or Granite group. All aggregates shall be crushed, double washed, dried and delivered to the job site pre-weighted in weatherproof, labeled bags. The gradation must meet the requirements of joint system manufacturer.
d.Steel backing plate shall conform to the specification requirements of ASTM A36/A 36M, and shall be galvanized in accordance with Section 233. The plate shall have a minimum thickness of 1/4 inch and a minimum width of 8 inches, unless otherwise noted by the joint system manufacturer.424.02
Source: Virginia Road and Bridge Specifications, 2020 Edition. Pages 628–628 of 1,065.