EE/GRWW/PH-IV/28/2026-27

Removing old paint from blistered painted surface of steel or other metal by chipping including scraping and cleaning and exposing the original surface . N.B. :(Payment against item (1, 2, 3, 4) of subhead B will be made only when done at specific direction of the Engineer- in-charge. Cost of taking out shutter etc.for this item and rehanging the same or changing glass panes cracked or broken in the operation will be deemed to be covered by the rate of this item and no seperate payment therefore shall be made.)

SURFACE CLEANING OF METAL SURFACES BY CHEMICAL CLEANERS AND THEN BY HAND WITH EMARY PAPER, WIRE BRUSH AND POWER TOOL CLEANERS AND REMOVING DUST AND PREPARATION OF SURFACE INCLUDING COST OF ALL MATERIAL, LABOUR,MACHINERY,SCAFFOLDING ETC, COMPLETE WITH INITIAL LEAD FOR SAND UPTO 1KM AND ALL LIFTS.

Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc (This item is applicable to new work or old work when the original surface has been exposed by removal of old paint.)

Coating of 'Epoxy' Resin of thickness not less than 160 micron with a lowviscosity,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 damagefrom 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]

Making one set of scaffolding only for replacing glass panels, painting, uprooting plant and another repairing works of building and S&P works for external works only with 10 cm. dia bamboo as main posts at the rate of 1 metre centre to centre and 7.5 cm. dia bamboo ties @ 0.75 metre apart fitting and fixing with necessary coir, nails etc. as per direction of the Engineer-incharge. (This item should be executed only after prior approval of the Engineer-incharge). Firstly, one number to be paid and then labour rate for shifting up to further nineteenth (19) times @ 10% each time to be considered. If necessary further after twenty times of total use, another one number new and labour rate for shifting to be considered accordingly a) 3.90 metre height

Estimated amount

18 % GST

1% CESS