Is the solvent type of inorganic zinc primer could be an acceptable alternative?
Bid it using the waterborne inorganic zinc as per plans and specifications. 104) According to Special Provision, ‘box girder shall receive a single undercoat consisting of a waterborne inorganic zinc coating’ but ‘the single undercoat of inorganic zinc coating shall be applied to the required dry film thickness in 2 or more application.’ It would be unusual to make 2 or more application of inorganic zinc coating. Do you have any specification available to make double applications of inorganic zinc? According to some information, sweep-blasting shall be applied after first coating. Is it correct? Bid it per plans and specifications. 105) In regards to the cast zinc buttons that support the Type I Suspender Gatherers detailed on plan sheet 164 “Gatherer”. Would a swaged button ferrule be an acceptable substitute to the zinc cast button? What is the maximum vertical load on these buttons? Bid it per plans and specifications. The load on the button is not required for bidding the specified
