Municipal Affairs Department Tender

Derusting, scraping, brushing and cleaning (to the extent of exposing the original surface) the outer surface of manufactured M.S. pipes and specials, applying first coat of synthetic primer Type-B as per IS : 15337 : 2003 of approved make over it and wrapping the same with coal tar based insulating tape 2 mm thick as per IS : 15337 : 2003 of approved make and applying the second coat of synthetic primer Type - B (as specified above) over the first layer of insulating tape and wrapping the same with second layer of 2 mm thick coal tar based insulating tape (as specified above) in staggered pattern (including overlapping at ends) by torching etc. as per manufacturer’s specification and as per direction of ElC. Each layer of protective wrapping shall be tested with Holiday detector at Contractor’s cost and the Contractors shall repair all holidays to the satisfaction of ElC at no extra cost (Payment will be made on finished area of work) [Ref.: [UD & MA. (W.S.)- 2018-19, Page-24, It- 7.1]

Coating of ‘Epoxy’ Resin of thickness not less than 160 micron with a low-viscosity, crystallization-resistant epoxy resin base with a reactive diluents combined with high build epoxy amine adducts as per BS 5493 standard and a polyamide or amido polyamine or any other suitable hardener. It shall react with epoxy resin at normal ambient temperature, suitable for solvent-free coatings as per recommended proportion for use on metal, concrete and wood surface to protect from corrosion as well as damage from chemical reaction after making the surface free from dust, oil and moisture etc. all complete as per instruction and to the satisfaction of ElC. [ This item will be operated on prior permission from the concerned SE/Dy Chief Engineer] [Ref.: [UD & MA. (W.S.)- 2018-19, Page-24, It-7.7 ]

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