5-207 SECTIO N 516 – EXPANSIO N DEVICES 516.0 1 DESCRIPTION . This work shall consist of furnishing and installing, or partially removing and modifying , expansion devices. 516.0 2 MATERIALS . Materials shall meet the requirements of the following subsection s: Joint Sealer, Preformed Neoprene ................................ ................................ ............. 707.0 4 Preformed Fabric Material ................................ ................................ ......................... 707.0 5 Joint Sealer, Butyl Rubber Tape ................................ ................................ ................ 707.1 0 Asphaltic Plug Joint s for Bridges ................................ ................................ .............. 707.1 3 Structural Steel ................................ ................................ ................................ ........... 714.02 High -Strength Low -Alloy Structural Steel ................................ ................................ 714.03 Carbon Steel Bolts, Nuts, and Washers ................................ ................................ .....714.04 High -Stren gth Structural Bolts and Assemblies, 120 ksi ................................ ........... 714.05 Welded Stud Shear Connectors ................................ ................................ ................. 714.10 Epoxy Bonding Systems ................................ ................................ ............................ 719.0 1 Galvanizing ................................ ................................ ................................ ................ 726.0 6 516.0 3 FABRICATIO N DRAWINGS . The fabricator of the expansion devices furnished under this section shall submit detailed fabrication draw ings in accordance with the requirements of Subsection
105.06 and Section 506 .
516.0 4 FABRICATION . Material furnished under this section shall conform to all applicable provisions of Section 506 . Assemblies shall be fabricated to the designed roadway cross -section within a 1/8 inch tolerance of the theoretical dime nsions at any point. Unless otherwise specified, all expansion devices shall be galvanized. Extruded cellular and strip -type sealers shall be furnished in one continuous piece without splices. When it is specified that a neoprene seal be bonded to a steel surface that is not galvanized, the contact surface area shall be blast -cleaned and properly primed with adhesive. Contact surfaces of neoprene seals that will be bonded with an adhesive shall be cleaned and primed in accordance with the seal manufac turer’s instructions. 5-208 Expansion devices shall be fabricated, assembled, and certified by one supplier. Each device shall be completely shop -assembled and shipped as a complete unit except that curbs or other assemblies designed to be attach ed and adjusted by field bolting may be removed for transport. Angles or other suitable sections shall be furnished to secure opposite halves of a unit during shipment. Temporary shipping attachments shall be attached by bolting , welding will not be permit ted. 516.0 5 INSTALLATION . Expansion devices shall be installed in conformance with the Plans and all applicable provisions of Section 506 . Final gap adjustments of an expansion joint assembly shall be made during installation in accordance with the movement chart shown on the Plans, fabrication draw ings, or as directed by the Engineer. Joint assemblies shall be properly positioned within 1/8 inch of theoretical crown and straightness and attached to the structure by anchorages furnished with the assembly or as specified in the Contract. Prior to the placement of the concrete, all steel surfaces that will be embedded in concrete shall be coated with an epoxy bonding system. Application of the epoxy bonding system shall be done in accordance with the manufacturer’s recommendations. 516.0 6 PARTIA L REMOVA L AND MODIFICATION . The Contractor shall partially remove and modify the existing bridge joint at the locations indicated in the Plans and as directed by the Engineer. Steel for new joint plates shall meet the requirements of Subsection 714.02 . The Contractor shall remove and dispose of existing joint plates, drain troughs, and associated hardware. The Contractor shall grind existing steel plates or shoulder concrete to the configuration shown on the Plans. The final surface shall be to the satisfaction of the Engineer. 516.0 7 METHO D OF MEASUREMENT . The quantity of Bridge Expansion Joint of the type specified to be measured for payment will be the number of linear feet used in the complete and accepted work, measured along its centerline. The quantity of Partial Removal and Modification of Bridge Joint to be measured for payment will be the number of linear feet of bridge joint removed and modified in the complete and accepted work, measured along its centerline.
516.08 BASIS OF PAYMENT . The accepted quantity of Bridge Expansion Joint of the type specified
will be paid for at the Contract unit price per linear foot. Payment will be full compensation for detailing, furnishing, handling, transporting, and placing the material specified, including nondestructive testing of welds, surface preparation, protective coating, epoxy bonding system , and for fur nishing all labor, tools, equipment, and incidentals necessary to complete the work. 5-209 The accepted quantity of Partial Removal and Modification of Bridge Joint will be paid for at the Contract unit price per linear foot. Payment will be full compensation for partially removing and modifying the existing joint as specified and as detailed in the Plans, and for furnishing all labor, tools, equipment, and incidentals necessary to complete the work. Payment will be made under: Pay Item Pay Unit
516.10 00 Bridge Expansion Joint, Asphaltic Plug ................................ ................... Linear Foot
516.11 00 Bridge Expansion Joint, Vermont ................................ ............................. Linear Foot
516.12 00 Bridge Expansion Joint, Finger Plate ................................ ........................ Linear Foot
516.20 00 Partial Removal and Modification of Bridge Joint ................................ ...Linear Foot
5-210 SECTIO N 519 – MEMBRAN E WATERPROOFING 519.0 1 DESCRIPTION . This work shall consist of the application of a membrane to bridge decks to serve as a waterproof barrier between the concrete deck and the bituminous concrete surface pavement. This shall consist of either a torch applied membrane or a spray applied mem brane as required by the Contract . Torch applied membranes shall incorporate the use of a prime coat over the horizontal deck surface and an acceptable polyurethane liquid membrane on the lower portion of the curb face and adjacent deck area. Spray applied membranes shall incorporate a primer, the waterproofing membrane, tack coat, and any required aggregate. 519.0 2 MATERIALS . Materials shall meet the requirements of the following subsection s: Waterproofing Membrane System, Type I ................................ ................................ 726.08(a) Waterproofing Membrane System, Type II ................................ ............................... 726.08(b) Spray applied membranes shall be a Type I waterproofing membrane system and torch applied membranes shall be a Type II waterproofing membrane system . 519.0 3 SUBMITTALS . The following information shall be pr ovided by the Contractor to the Engineer prior to application of the membrane system:
a.Safety data sheets (SDS) and material detail sheets prepared by the membrane manufacturer, provided a minimum of 7 calendar day s prior to the scheduled commencement of work.
b.Written certification from the manufacturer regarding the applicator’s qualifications and references for a minimum of three membrane projects completed by the applicator within the last 5 years, provided a minimum of 7 calendar day s prior to the application of any system component. The certification shall apply only to the named individuals performing the application. 519.0 4 WEATHE R LIMITATIONS . Membranes shall not be applied in rainy weather or when the temperature is below 40°F without the authorization of the Engineer. 519.0 5 SURFAC E PREPARATION . The surface of the deck shall have a smooth, fine -textured finish. All honeycombed areas and surface cavities shall be cleaned and filled with Agency and manufacturer approved patching materials.
Source: Vermont Standard Specifications for Construction, 2024 Edition. Pages 621–623 of 1,380.