711.12.4 Application Properties: The mixed paint, when thinned in accordance with
manufacturer's recommendations, shall be capable of b eing sprayed in one coat at a wet film thickness of 10 mils without runs or sags. The properly thinned paint shall be capable of brush and roller application. The manufacturer's current printed instructions for application of the epoxy maintenance coatin g shall be submitted to the Division for review and approval prior to application. The paint storage life will be based on manufacturer recommendations.
711.13 through 711.20 : Blank
711.21 Repair of Damaged Galvanized Surfaces :
Repair of damaged galvanized surfaces will be done using a primer meeting the requirements Section 711.6.
711.22 Zinc Rich Low Voc System :
711.22.1 General: Each product in the system shall be from the same paint manufacturer.
Each coat shall be a contrasting color to the one previously applied. The use of the intermediate coat meeting 711.22.3, shall be at the option of the paint manufacturer. In either case, the adhesion of the system shall be a minimum of 4A when tested in ac cordance with ASTM D3359, Method A. The adhesion test shall be conducted approximately 14 days after application of the top coat. All products shall have a maximum VOC of 2.8 lbs / gallon with exception of the primer, which shall have a maximum VOC of 3. 5 lbs / gallon. The dry film thickness requirement will be based on manufacturer recommendations. The paint storage life will be based on manufacturer recommendations. The prime fabricator is responsible for choosing the paint system when shop applied.
711.22.2 Primer: The primer shall meet the requirements of subsection 711.6.
711.22.3 Intermediate Coat: This material shall meet the manufacturer's specification
and shall be compatible with a primer (711.6) and the top coat (711.22.4).
711.22 4-Top Coat: This material shall meet the manufacturer’s specification and shall
meet the requirements of 711.22.4.1. After system approval, all topcoat material shall be batch tested for color and dry time.
711.22.4 1 -Physical Requirements:
i.Dry Hard -24 Hours Maximum ii. Color –The color choices shall conform to SAE International AMS -STD -595 A, Federal Standard Colors. The color difference, ΔE, of the acceptance sample shall not be more than five units from the chosen Federal Standard Number submitted. iii. Gloss @ 60° shall be 30 -50 for semi -gloss and 51 or greater for gloss finishes. Flat finishes shall have a gloss of 29 or less.
711.22.5 System: The system shall be composed of a primer, intermediate, and topcoat,
or a primer and topcoat. Application and dry film thickness shall be based on the manufacturer recommendations. The use of the intermediate coat shall be at the option of the paint manufacturer. 825 711.22.5.1 -System Requirements:
i.Intercoat Adhesion -The adhesion of the system shall be a minimum of 4B when tested in accordance with ASTM D3359, Method B. ii. Accelerated Weathering -After cycling 1000 hours there shall be no evidence of checking, cracking, rusting, or blistering. The degree of chalking shall not be less than No. 6 when tes ted according to ASTM G154. The color difference after 1000 hours shall be no more than five ΔE units. iii. Salt Fog -Testing shall be in accordance with ASTM B117. After 1000 hours of continuous exposure, there shall be no evidence of checking, cracking, rust ing, or blistering.
711.23 Material/System Approval :
711.23.1 The Division will develop an approved list of products meeting this specification.
This list will be placed on the Division’s website. The list may be based upon previous testing performed by the Division, or the Division may choose materials from the National Transportation Product Evaluation Program (NTPEP) and/or the North East Protective Coating Commi ttee (NEPCOAT) tested materials. Upon approval by the Division, further testing may not be required. The Division may request random samples to assure compliance with specification requirements. Any materials not previously tested by MCS&T Division, NTPEP, or NEPCOAT shall be submitted for evaluation and approval testing. Paints and coatings submitted for approval testing shall be furnished to the MCS&T Division in appropriate containers not holding more than one gallon of material. Each component s hall be labeled appropriately, and the following information shall be provided with the sample:
i.Name and address of Manufacturer ii. Trade Name or Trade Mark iii. Type of Paint iv. Lot or Batch number
v.Date of manufacturing vi. All SDS/PDS information pertaining to the mate rial vii. Reference to the Division’s Standard Specifications viii. One (1) one -gallon kit of product/thinner
711.23.2 Any samples for approval testing and all supporting documentation shall be
shipped to the address provided below: West Virginia Division of Highways Materials Control, Soils and Testing Paint Laboratory 190 Dry Branch Drive Charleston, West Virginia , 25306
711.24 through 711.39 -Blank
711.40 Temporary White Or Yellow Traffic Zone Paint :
Temporary Traffic Zone Paint shall be any commercially available white or yellow paint designe d for use on highways. The paint shall be applied with glass beads, designed by the manufacturer to be compatible with the paint.
Source: West Virginia Standard Specifications for Road and Bridge Construction, 2023 Edition. Pages 846–847 of 1,006.