WBPWD/AE/KSD I (SS)/NIT-06/2026-27

Dismantling carefully terraced floor only (including floor finish if any) or lime terracing in ground floor roof and removing rubbish as directed within a lead In ground floor

Stripping off worn out plaster and raking out joints of walls, celings etc. upto any height and in any floor etc.Ground floor

Cleaning the concrete surface by removing dirt and debris, marking defectivelocations and removing loose concrete by careful stripping untill hard surfaceis exposed, cutting the concrete to regular shape, wire brushing the exposedsurface and removing debris from site complete as per direction of the Enginer - in - Charge.

Cleaning the exposed reinforcement preferably upto full diameter by wirebrush, applying two coats of polymer based rust removing compound left for24 hours, removing the coating and then applying two (2) coats of polymermodified anti corrosive protective coating formulated to inhibit the corrosionof reinforcement as per manufacturer's specification]

Applying epoxy based reactive joining agent for joining the old concrete with fresh concrete to be applied within manufacturer's specified time as per manufacturers specification. (0.4 Kg / m² of concrete surface).

Cement concrete (1:1.5:3) with graded stone chips 5.6 mm size with hexagonal square mesh wire netting, I.R.C. fabric mesh or X.P. M. fitted andfixed after tying the existing reinforcement on concrete without distribut inscaffolding comlete as per direction of Engineer-in -charge. a) 20 mm thick

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering .With 4:1 cement mortar, 10 mm. thick plaster, Gr. Floor. inside. Celing

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes.Pakur Variety. a) Pakur / Chandil Variety

Supplying and laying true to line and level Double charged Vitrified tiles of approved brand conforming to IS: 15622: 2006(Group-B I a)and testedvas per IS 13630: 2006 (relevant parts )[ Non-modular sizes for tiles with Water absorption (av\.)<= .08%] in floor, skirting etc. using Polymerised adhesive of 6mm thick layer applied directly over finished artificial stone floor / Mosaic etc. without any backing course and joints grouted with admixture of white epoxy grout materials of approved brand including spacer -2mm as directeds and removal of Wax coating of top surface of tiles with warm water Polishing the tiles using soft and dry cloth upto mirror finish complete including the cost of materials, labour and all other incidental charges as per direction of Engineer-in-Charge.( Note: this work should not be executed without specific permission of Superintending Engineer)(a) In gr. floor : (size not less than 600mm X 600mm X 9.5mm thick)

Post Constructional Measures : (b) Anti-termite treatment to the outside of foundation with chemical emulsion by admixing chloropyrofos emulsifiable concentrate (1% concentration) with water by weight, drilling 12mm. dia holes in concrete or masonry apron at an interval of 300mm. to a depth, of 300mm or more as close to the plinth wall as possible and the chemical emulsion pumped into those holes to soak the soil below at a rate of 2.25 litres per linear metre complete as per specification laid down in para 4.3.1.1 .