An Evaluation of MoDOT's Current Coatings Programs Final ... - TSP2

10.) Masking in the shop (crisp lines) for shop applied top coats.
11.) High traffic area field application issues
a. containment issues
b. time on site
12.) Cleaning between coats – time dependent
13.) Customized colors
14.) Effective enforcement and sufficient inspection/inspectors
Define / Evaluate Options:
Less expensive topcoats – Good product/ good price
Use of organic zincs for touch-up and when whole systems are applied in the
fabrication shop
Establish an inspection program / training
Consistent enforcement of the specifications / no variation from District to District
or Project Office to Project Office - Coating Contractor is then on an even playing
field and bid prices will reflect that
Utilize a contractor certification program
Revise or create new and better specifications
Use stripe coats as required in SSPC-PA1 (PA1 is already defined in the
specifications as the governing requirement for application)
Utilize mandatory pre-bid meetings to discuss coating requirements. Contractor
cannot bid unless they attend.
Utilize mandatory annual coating standards meetings to show contractors what
the requirements are and what the expectations for the finished product.
More expensive top coats with a better lifecycle cost benefit.
Require pre-job samples preparation by the contractor and then use the sample
as the reference standard for the job.
New technologies:
a.) Materials –
b.) Inspection
c.) Equipment
d.) Surface Preparation
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