Specifications.pdf
PDF 19 KB Posted
- Attached to
- Open Cell Foam Joint System
- Solicitation number
- 300000291310494
- Issued by
- Missouri
About this file
This is a specifications document for an Open Cell Foam Joint System procurement issued by the Missouri Department of Transportation in St. Louis. The contract requires vendors to provide a complete joint system comprised of cellular polyurethane foam impregnated with 100% hydrophobic polymer, field-applied epoxy adhesive primer, and field-applied silicone sealant bands. All components must be supplied by a single manufacturer. The system must demonstrate a working range of 50% in tension and 50% in compression, with a service temperature range from -40°F to 185°F. The contract period extends from the Date of Award through October 31, 2027, with options to extend for two additional one-year periods.
The specifications establish detailed performance requirements for seal properties, including ASTM C 711 temperature service range certification, no bleeding at 180°F under 50% compression for 3 hours, and ASTM G 155 UV resistance with no changes after 2000 hours. The epoxy adhesive must meet ASTM C 881 standards as a 100% solids, two-component moisture-sensitive modified epoxy, while the silicone sealant must conform to ASTM D 5893 as a one-part, cold-applied chemically curing product. A pricing table is included with various configurations of joint depths and supplied lengths, with one entry showing a price of $6.56 per linear foot for a 1" depth by 2" seal configuration in 6.56 linear foot stick format.
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| File | Type | Posted |
|---|---|---|
| MODOT SL 0000000089SL_SUPPLIER.pdf |
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Text version
Section 1073 - Joint Material for Structures
1073.6 Open Cell Foam Joint System. All components of the system shall be supplied by one manufacturer.
The joint system shall be comprised of the following components.
(a) Cellular polyurethane foam impregnated with 100% hydrophobic polymer, water based emulsion and factory coated, on the roadway surface, with highway-grade, fuel resistant silicone.
(b) Field-applied epoxy adhesive primer.
(c) Field-applied silicone sealant bands that seal the gap between the edge of the bridge and the silicone topping on the joint. This silicone will also be used for locking field splices in the joint together.
1073.6.1 General Movement Requirements. The seal shall have a working range of 50% in tension and 50% in compression. Changes in plane and direction shall be executed using factory fabricated watertight transition assemblies conforming to the plans and specifications.
1073.6.2 Seal Properties. The seal shall be able to meet the following properties:
Property Requirement Temperature Service Range, ASTM C 711 -40° F to 185° F Bleeding None at 180° F @ 50% compression for 3 hrs.
UV Resistance, ASTM G 155 No Changes at 2000 hrs.
Polymer impregnation agent Free of any waxes or asphalts
1073.6.3 Adhesive Properties. The epoxy adhesive shall be a 100% solids, two component moisture sensitive modified epoxy adhesive which meets ASTM C 881.
1073.6.4 Sealant Properties. The silicone sealant shall be a one part, cold applied chemically curing silicone joint sealant which meets ASTM D 5893.
Pricing:
Supplied Length Product Code Joint at MeanT Depth of Seal Price/LF Univ. 90’s
12 LF Reel ________ ½” 1 ¾” ______ ______ ________ 1” 1 ¾” ______ ______ ________ 1 ¼” 2” ______ ______
6.56 LF sticks ________ 1 ½” 2 ½” ______ ______
________ 2” 2 ½” ______ ______ ________ 2 ½” 2 ¾” ______ ______ ________ 3” 2 ¾” ______ ______ ________ 3 ½” 3 ½” ______ ______ ________ 4” 3 ½” ______ ______
File details come from the government source that posted it. Updated .