R 1-27-98
POLYMER MODIFIED ASPHALT JOINT SYSTEM
DESCRIPTION. This work shall consist of furnishing and placing a polymer modified asphalt joint system at the locations shown on the plans or as directed.
MATERIALS. The materials for this work shall be as supplied by Pavetech International, Inc., 12066 Montgomery Road, P. O. Box 498969, Cincinnati, OH 45249, telephone 1-800-258-0162; Linear Dynamics, Inc., 79 Montgomery Street, Montgomery, PA 17757, telephone 717-547-1621; or Midwest Construction Products Corporation, 3901 S. Madison Avenue, P.O. Box 17038, Indianapolis, IN 46217, telephone 1-800-426-9647.
Materials shall otherwise be in accordance with the requirements as follows:
(a) Bridging Plate. Mild steel of thickness of 3 to 6 mm (1/8 in. to 1/4 in.), or aluminum of 18 gage thickness; width in accordance with the manufacturer's recommendations
(b) Binder, type 1.Type:
Softening Point:
Flow:
Penetration:
Pouring Temp.:
Polymer modified asphalt
82E C (180E F), minimum
3 mm Max. at 60E C (140E F)
9 mm Max. at 25E C (77E F)
1 mm Max. at -18E C (0E F)
ASTM D 3407
177 to 199E C (350 to 390E F)
(c) Binder, type 2.Type:
Softening Point:
Polymer modified asphalt
65E C (149E F), Minimum
ASTM E 28Flow:
Penetration:
Less than 5 mm max., ASTM D 1191
40 mm max. at 25E C (77E F)
150 g, 3 sec.
ASTM D 217Pouring Temp:
Extension Test:
177 to 199E C (350 to 390E F)
3 cycles of extension to 50%
at a rate of 3.2 mm/h and 5E C (41E F).
Samples prepared in accordance with ASTM D 1190(d) Aggregate. Type: Crushed, double washed and dried granite or basalt. Gradation: Varies by manufacturer of the system.
(e) Backer Rod.
Visual.
A type A certification in accordance with 916 will be required for the polymer, binder material, and backer rod. Basis for use for the steel or aluminum plate will be Visual.
CONSTRUCTION REQUIREMENTS. The polymer modified asphalt joint manufacturer shall provide written placement procedures and details for the proposed system. This material shall be forwarded to the Bridge Rehabilitation Engineer in the Department's Division of Design, 100 N. Senate Ave., Indianapolis, IN, 46204-2249 for approval prior to placement. This submittal shall contain, but shall not be limited to, the above procedures and details, the names of those individuals who will install the joint as well as those who are in responsible charge of the joint installation. Installers shall be full time employees of the joint supplier and shall have at least two years experience in installing this joint. The material and equipment shall not be obtained from various sources and installed with inexperienced labor. The manufacturer/supplier shall furnish all labor, equipment, and materials required to construct the complete joint.
The location and general appearance of the installed joint shall be as shown on the plans. The horizontal sliding surface of the deck shall be constructed as smooth as possible in order for the joint to move easily. Rough surfaces made with bush hammers or scarifiers, or like equipment will not be permitted. Undercutting of the existing deck and replacing it with a small amount of leveling mortar will be considered acceptable. Additional details shall be in accordance with the manufacturer's drawings.
MAINTENANCE OF TRAFFIC. If necessary to facilitate traffic maintenance on a multi-phase project, the joint may be installed in phases after other work is complete, or at such time as the Contractor desires. Temporary filler material may be placed in the joint cavity as shown on the plans. When placing the final joint material in a phased operation, the joint in the first phase shall be installed to its approximate, full width. During subsequent phases, about 50 mm (2 in.) of the joint installed in the prior phase shall be removed at or near the lane lines. The balance of the joint shall be installed for that phase. All additional phases shall be constructed in the same manner.
METHOD OF MEASUREMENT. The accepted quantities of this work will be measured by the meter (linear foot), along and parallel to the plane of the finished joint surface. The structure removal for the joint, the metal plate, backer rod, binder, and polymer, and all other materials used in the construction of the joint will not be measured for payment.
BASIS OF PAYMENT. This work will be paid for at the contract unit price per meter (linear foot), for expansion joint, polymer modified asphalt, complete in place.
Payment will be made under:
Pay Item Metric Pay Unit Symbol (English Pay Unit Symbol)
Expansion Joint, Polymer Modified Asphalt......................m (LFT)
The costs of concrete and joint removal, temporary filler and bond breaker if required, removal of such, all required materials, and necessary incidentals shall be included in the cost of this work.