458-1 Description.
Furnish and install bridge deck joints of the type s and at the locations shown in the P lans. This Section covers the following types of joints: Poured Joint Poured Joint with Backer Rod System Strip Seal Joint System Modular Joint
458-2 Materials.
458-2.1 General: Transport, store and prepare all joint materials and components for all
joint types as per the manufacturer’s recommendations .
458-2.2 Poured Joint: Furnish a Type D silicone seala nt material meeting the
requirements of Section 932 that is listed on the Approved Product List ( APL).
458-2.3 Poured Joint with Backer Rod System: Furnish poured joint with backer rod
systems consisting of Type D silicone sealant material, foam backer rods, sidewalk cover plates (as required) and all associated miscellaneous components. The Type D silicone sealant material used in the system shall be listed on the APL and meet the requirements of Section 932.
458-2.4 Strip Seal Joint System: Furnish strip seal joint systems that are listed on the
APL. Manufacturers seeking evaluation of their product for the APL shall submit an application in accordance with Section 6. Design documentation showing the expansion joint system shall include inst allation details and temporary or sacrificial support brackets, bolts, clamps, etc. that are compatible with decks constructed with or without block -outs. Furnish joint systems consisting of watertight steel edge rails, strip seal glands and all associated miscellaneous components.
458-2.4 1 Strip Seal Joint Systems with elastomeric glands: Product must meet
the requirements of ASTM D5973 and Standard Plans, Index 458-100. Obtain the strip seal elastomeric glands from the edge rail manufacturer.
458-2.4 2 Strip Seal Joint Systems with silicone glands: Product must meet the
requirements of Standard Plans, Index 458 -100. Adhesives must be supplied by the same manufacturer as the glands and must meet ASTM C793 with no cracking, ozone chalking or degradation .
458-2.5 Modular Joint: Furnish modular joints meeting the requirements of this Section.
Submit manufacturer certification that modular joint components meet the following material requirements in Table 458-1. FY 2023-24 Return to Table of Contents Table 458-1 Component Material Requirements Solid Separation Beams, Steel Extrusions, Support Bars, Plate and Milled Steel Shapes ASTM A588 or ASTM A572, Grade 50 Box Seals ASTM D3542 Strip Seals ASTM D5973 Seal Adhesive ASTM D4070 Stud Shear Connectors and Threaded Studs ASTM A108 Stainless Steel Sliding Plates ASTM A240, Type 316 PTFE Sliding Surface ASTM D4895 *Provide seals with hardness Type A durometer equal to 55 (plus or minus 5) by ASTM D2240. Supply test results from the manufacturer verifying the maximum coefficient of friction between mating surfaces. Testing must be performed by an independent testing laboratory according to the manufacturer’s stated precompression values for the system to a minimum of two million cycles. Maximum allowed coeffici ent of friction is 0.10. Bond PTFE (polytetrafluorethylene) using a heat cured, high temperature epoxy capable of withstanding temperatures of minus 40°F to plus 250°F. For springs, bearing, and equidistance devices (i.e. control springs), use the same material composition and formulation, manufacturer, fabrication procedure and configuration as those used in the prequalification test. Components manufactured from polyurethane compounds are not permitted.
458-2.6 Sidewalk Cover Plate s: Furnish slip res istant, random hatch matrix or suitable
pattern, galvanized steel sidewalk cover plates fabricated from steel meeting the requirements of ASTM A36 or ASTM A709, Grade 36 or 50. Do not use diamond plate or surface applied slip resistant tapes, films, nonmet allic coatings or other similar materials. Fabricate cover plates in accordance with Standard Plans, Indexes 458-100 and 458 -110. After shop fabrication, hot -dip galvanize cover plates in accordance with Section 962. Galvanized sidewalk cover plates shall have a minimum coefficient of friction on the top surface of 0.8 in dry condition, and 0.65 in a wet condition, as determined by ASTM F1677-05 or ASTM F1679-04. Furnish flat head stainless steel sleeve anchors in accordance with ASTM F593 Group 1 Alloy 304 for attaching sidewalk cover plates. Install sleeve anchors in accordance with the manufacturer’s instructions.
458-3 Calculations and Shop Drawings.
458-3.1 All Joint Types (with the exception of Poured Joints): Submit shop drawings
in accordance with Section 5 for any applicable joint system supplied. For format and required details, follow the AASHTO/NSBA Steel Bridge Collaboration “Guideline for Shop Detail Drawing Presentation”. The following information must be included on the shop drawings:
458-3.2 Sidewalk Cover Plates: Submit shop drawings for sidewalk cover plates
showing all materials, project specific details and dimensions. The submittal must include a certification from the manufacturer that the sidewalk cover plates m eet the minimum coefficient of friction requirements.
458-3.3 Strip Seals: Provide the APL number in the shop drawings.
458-3.4 Modular Joints: When support boxes are supported by the deck or abutment,
detail in the shop drawings a minimum of 2 inches between the bottom surfaces of the joint elements and the deck blockouts to allow easy placement of concrete and allow for proper consolidation of concrete under and around all parts of the joints. Detail in the shop drawings at least 6 inches of clear spa ce between the support boxes or anchorages on the ends of support boxes and the periphery of the blockout to permit placing of concrete. Submittal of shop drawings must include a manufacturer’s installation manual in accordance with this Section. Include design calculations, signed and sealed by a Professional Engineer licensed in the State of Florida, confirming that all load bearing components are in conformance with the requirements of this Section.
458-4 Fabrication and Installation .
458-4.1 General: Install the joint in accordance with the specific requirements of this
Section, the plan details, the Standard Plans , and the manufacturer’s installation instructions for the particular type of expansion joint to be installed.
458-4.2 Poured Join t: Install the joint at the locations and in accordance with the details
shown in the Plans and the manufacturer’s recommendations.
458-4.3 Poured Joint with Backer Rod System:
458-4.3 1 Casting Joint Opening : When casting the bridge deck, approach slab
or raised sidewalk adjacent to the expansion joint at temperatures other than 70 °F, adjust the joint opening ( Dim. A as shown in Standard Plans, Index 458-110) at 70°F by the amount of the adjustment per 10 °F shown in the Structures Plans, Poured Expansion Joint Data Table. For temperatures above 70 °F, decrease the opening . For temperatures below 70 °F, increase the opening.
458-4.3 2 Installation of Poured Joint System: After deck profiling, grinding,
and grooving operations are complete, i nstall poured joint with backer rod in accordance with the manufacturer ’s recommendations, when the joint opening is plus or minus 1/4 inch of the design joint opening (Dim A at 70°F) shown in the Structures Plans, Poured Expansion Joint Data Table. The minimum openi ng must not be less than 1 inch at the time of installation. Place poured joint material only when the ambient temperature is between 55 °F and 85°F and is expected to rise for the next three hours minimum to provide for adequate joint opening and compression of the poured joint material during curing.
458-4.4 Strip Seal System:
458-4.4 1 Glands for Joint Seal : Seals must be continuous heavy duty bridge
deck glands sized in accordance with the manufacturer’s recommendations, to perform satisfactorily for the opening range shown. Minimum movement classification is 4 inches.
458-4.4 1.1 Elastomeric Gland Seals: Shop vulcanization is restricted to
use on horizontal turns on skewed bridges at upturn ends where the horizontal turn angle is greater than 35 degrees. Field vulcanization is not permitted. FY 2023-24 Return to Table of Contents
458-4.4 1.2 Silicone Gland Seals: Meet the following requirements in
Table 458 -2: Table 458-2 Silicone Gland Seal Requirements Property Test Method Range Durometer (Shore A) ASTM D2240 55 +/- 5 Elongation ASTM D412 350% (min) Tensile ASTM D412 550 psi (min) Tearing (die B ppil) ASTM D624 80 lb/in (min) Compression Set ASTM D395 30% max at 350o F Temperature Range -60o F to 450o F Specific Gravity 1.51
458-4.4 2 Edge Rail Fabrication:
458-4.4 3 Installation:
FY 2023-24 Return to Table of Contents
458-4.5 Modular Joints
458-4.5 1 Fabrication: Perform all steel fabrication in accordance with the
requirements of Section 460. After fabrication, hot -dip galvanize all non -stainless steel metal surfaces in accordance with Section 962. Joint systems must be designed in accordance with the latest edition of AASHTO LRFD Bridge Design Specifications or as required by the Contract Documents. Supply joint systems for which identical full -size specimens have been subjected to full life - cycle fatigue testing. Obtain all joint system components from the same manufacturer, fabricated at their approved corpo rate facilities, using subcomponents meeting the testing requirements of this Section. Except for sliding plates, provide all load bearing structural steel components with a 3/8 inch minimum thickness in any direction. Construct edge rails consisting of a monolithic steel shape with a machined or extruded retainer cavity. Multiple component welded steel shapes to achieve a final member cross section or seal retainer cavity are not permitted. Attach separation beams to individual support bars with a compl ete joint penetration weld. FY 2023-24 Return to Table of Contents Support each separation beam with a dedicated support bar connected by a complete joint penetration welded connection. Use of bolted connections, yokes, or other means to directly attach separation beams to support bars is no t permitted. Maintain equal spacing between separation beams at all stages of movement. Contain support bars with bearings capable of transferring all imposed loads to the structure and allow the support bar to freely move within the limits of the expan sion joint. Fabricate a full length modular joint system as one piece. Only a minimal number of splices in an individual joint may be permitted where a construction joint is specifically required by the Plans, joint segment length exceeds 50 feet, or ap proved by the Engineer in writing. When phased construction is permitted or required by the Contract Documents, fabricate each segment to exactly fit that portion of superstructure, including sidewalks, under construction in each specific phase. Connect segments with a bolted splice to ensure continuity. Fit segments with temporary seals. Lubricant adhesive is not required for temporary seals. Submit watertight seal details for the splice. Shop inspection will be conducted at the discretion of the Engine er in accordance with Article 5 -6. Fabricate final seal assembly as one single, continuous component. Splicing of seals in the field is not permitted. Provide lifting devices and devices to maintain the preset opening of the joint at a uniform spacin g of not greater than 15 feet along the length of the joint. Provide at least three of these preset opening devices per joint segment. Provide lifting and preset opening devices that function and then are removed without damaging the modular joint system assemblies or galvanized coating. Prior to shipment , preset the joint opening in accordance with the joint opening as shown in the Plans at 70°F. Prior to installation, place the centerbeam/support bar assembly on a flat surface to verify the support bars lay in a single plane, with no part of the bottom of any support bar exceeding 0.25 inches off the surface. The subassembly may be straightened. No more than three attempts may be made to heat -straighten the subassembly. Polish stainless steel sliding surfaces to an 8 µ-inch mirror finish.
458-4.5 2 Installation: Clean any metal surface component exhibiting surface
rust and field metalize in accordance with Section 562. Replace any component exhibiting pitting and/or section loss with a new co mponent. Install the joint system in strict compliance with the manufacturer’s instructions in the shop drawings and as directed by the manufacturer’s installation technician.
458-4.5 2.1 Manufacturer’s Installation Manual: Submit the
manufacturer’s installation manual at least two weeks prior to installation activities, containing complete and detailed installation instructions for the modular expansion joint supplied by the Contractor. The manual must include step -by-step installation instructions a nd all related manufacturer’s recommendations, including bridge deck pouring sequence, restraints, finishing, etc., for successful installation and long term operation and serviceability of the joint.
458-4.5 2.2 Manufacturer’s Installation Technician: Provide for a
manufacturer’s installation technician, under the direct employ of the manufacturer, to be on the jobsite prior to the first joint installation and in sufficient time to train the Contractor’s joint installation crews using the shop drawings and the manufacturer’s installation manual. The FY 2023-24 Return to Table of Contents manufacturer’s installation technician must remain on the jobsite and be present for all modular joint installation activities for a minimum of the first two joints for each of the Contractor’s installation c rews. The manufacturer’s installation technician will submit written certification to the Engineer that the Contractor’s installation process follows the requirements outlined in the manufacturer’s installation manual.
458-4.5 2.3 Field Inspection: The Engineer will inspect the joint system
for proper alignment, complete bond between neoprene gland seal and steel, and proper stud placement and effectiveness. Bends or kinks in the joint system steel are not allowed except as necessary to follow roadwa y grades. Straightening of any bends or kinks in the steel, whether intentional or inadvertent, is not allowed. Any joint system exhibiting bends or kinks will be rejected, removed from the jobsite, and replaced by a new joint system. Match joint system to the finished roadway profile and grades before final acceptance. Restore bond of any neoprene gland seal found not fully bonded to steel. Visually inspect all stud welds. Test a minimum of 10% of the total number of stud welds at the discretion an d direction of the Engineer. Any stud found to not have a complete end weld (as evidenced by a ringing sound when struck by a hammer) will require replacement. Any stud located more than one inch in any direction from location shown in the shop drawings wi ll require removal and a new stud placed in the proper location.
458-4.5 2.4 Width: For installation at temperatures other than 70°F, adjust
opening of the joint as shown in the Contract Documents by amount of adjustment per 10°F shown in the Contract D ocuments. For temperatures above 70°F, decrease the opening. For temperatures below 70°F, increase the opening. Release all support brackets as the concrete is being placed and no later than when the concrete takes initial set. Remove opening devices i mmediately after the concrete is placed.
458-4.5 2.5 Permanent Seals: When phased construction is necessary,
remove temporary neoprene seals and replace with full width permanent seals after joint system is completely installed over full width of struct ure, including sidewalks. Clean (SSPC -SP6) all metal surfaces which will be in contact with permanent seals to visual standard CSP6 as defined by SSPC Vis 1-89.
458-4.5 2.6 Final Placement: After modular joint system has been set to
its final line a nd grade, fill any deck joint blockouts with Class II (Bridge Deck) concrete or as specified in the Plans. Prepare contact surfaces in accordance with the same procedure described in this Section. Finish the uppermost surface of concrete placement in accor dance with requirements of 400 -15, except that machine finishing is not required. Unless otherwise noted in the Plans, include the cost of the pourback in the unit bid price of superstructure concrete. Construction loads are not allowed on the modular joint for 72 hours after complete installation unless approved by the Engineer. In the event it is necessary to cross the modular joint before the 72 hour prohibition, bridge over the joint in a manner approved by the Engineer.
458-4.5 3 Acceptance: Acceptance of fabricated joint systems will be based on
the Engineer’s visual inspection at the jobsite and in accordance with requirements of this Section. Submit certified mill test reports to the Engineer for all steel used to fabricate the joint system. FY 2023-24 Return to Table of Contents
458-4.5 3.1 Watertight Integrity Test: Test full length of joint system for
watertight integrity in accordance with this Section, no more than five working days after each joint system installation is completed. In case of phased construction, perform this test after the full length of joint is installed (after all applicable phases). For the first two joints, perform the watertight integrity test and inspection in the presence of the manufacturer’s installation technician and the Engineer. For all rema ining joints, perform the watertight integrity test and inspection in the presence of the Engineer. Cover full length of joint with either water ponded to a minimum 1/2 inch depth, or continuously flowing water directly over full plan area of joint for a 15 minute minimum duration. Inspect underdeck surfaces beneath the joint for any evidence of dripping water or moisture for the 15 minute duration of water application and for 45 minutes after water supply is removed. Watertight integrity of joint syste m is interpreted as absolutely no free dripping water or moisture on underdeck surfaces beneath joint. Document date, time, and location of joint inspections and submit the report to the Engineer. Repair joint integrity at every location exhibiting fre e dripping water or moisture identified during the watertight integrity test and subsequently retest, subject to same conditions and consequences as the initial test. Retest and repair until joints pass the watertight integrity test.
458-5 Method of Measur ement.
The poured joint without backer rod will be incidental to the concrete work and included in the cost of the concrete. Poured joints with backer rod, strip seal joints, and modular expansion joints will be the plan quantity length of each type of joint constructed and accepted.
458-6 Basis of Payment.
458-6.1 Basic Items of Joints. The Contract unit price p er foot for joints will be full
compensation for all work and materials necessary for the complete installation . Such price and payment will in clude, but not be limited to, the fol lowing specific incidental work:
458-6.2 Payment Items: Payment shall be made under:
Item No. 458 - 1- Bridge Deck Expansion Joint - per foot. FY 2023-24 Return to Table of Contents SECTION 459 BITUMEN COATING AND POLYETHYLENE SHEETING ON CONCRETE PILES
459-1 Description.
Furnish and apply bituminous coating and primer, or install polyethylene sheeting and lubricant to prestressed concrete piles.
459-2 Materials.
459-2.1 Bituminous Coating: Use an asphalt type bituminous coating meeting the
requirements of Section 916, with a minimum viscosity (at 140ºF) of 3,000 poises and a maximum of 1,000 poises. Apply bituminous coating uniformly over an asphalt primer.
459-2.2 Prime r: Meet the requirements of ASTM D41.
459-2.3 Polyethylene Sheeting: Use polyethylene sheeting that is 6 mils thick and is
clean, new and has a smooth surface.
459-2.4 Lubricant: Use a lubricant between the two layers of sheeting that is either a
vegetable oil or other approved environmentally and functionally acceptable lubricant.
459-3 Construction Requirements.
Before surfaces are coated with bitumen, dry and thoroughly clean them of dust and loose materials. Do not apply primer or bitumen in wet weat her or when the temperature is below 65ºF. Apply the primer to the surfaces and allow it to dry completely before applying the bituminous coating. Apply primer uniformly at the quantity of 1 gal/100 ft2 of surface. Apply bitumen uniformly at a temperatur e of not less than 300ºF, or more than 350ºF, and apply either by mopping, brushing, or spraying at the project site. Completely fill all holes or depressions in the concrete surface with bitumen. Apply the bituminous coating to a minimum dry thickness of 1/8 inch, but not less than 8 gal/100 ft2. Store bitumen coated piles before driving, and protect piles from sunlight and heat. Ensure that pile coatings are not damaged during storage, hauling, or handling. Take appropriate measures to preserve and maint ain the bitumen coating. At the time of pile driving, ensure that the bitumen coating has a minimum dry thickness of 1/8 inch. If necessary, recoat the piles, at no cost to the Department, to comply with the requirements of this Section. Ensure that all s urfaces to be wrapped with polyethylene sheeting are dry and thoroughly cleaned of dust and loose materials. Place the sheeting on the pile to the limits shown on the Plans. Wrap the pile with a minimum of 2 1/4 wraps of sheeting. Apply a uniform coating of a lubricant between the first and the second layers. Ensure that this coating fully covers the entire surface of the first layer of sheeting. Once the pile has been wrapped with the minimum of two and one -quarter wraps of sheeting, secure the sheeting w ith tape or other means that does not damage the sheeting or restrict its movement. Do not place any tape or other material other than the lubricant between the first and second layers of sheeting. Protect the sheeting from construction damage. Where sheeting has been damaged, completely remove the damaged sheet of polyethylene and replace it, at no cost to the Department, as directed by the Engineer. Where the sheeting will not wrap the specified limits of the pile in one sheet, overlap the previous sheet with each subsequent sheet by 12 inches. FY 2023-24 Return to Table of Contents