WBKP/CP/NIT-215/ Thorough renovation of Jorasanko Police Station (inside and outside)/ TEN, Dated- 23.09.2026

Cleaning the concrete surface by removing dirt and debris, marking defective locations and removing loose concrete by careful stripping untill hard surface is exposed, cutting the concrete to regular shape, wire brushing the exposed surface and removing debris from site complete as per direction of the Engineer - in - Charge. 3rd floor 2nd floor 1st floor Ground Floor Qty Same as 1st floor Mark B

Cleaning the exposed reinforcement preferably upto full diameter by wire brush, applying two coats of polymer based rust removing compound left for 24 hours, removing the coating and then applying two (2) coats of polymer modified anti corrosive protective coating formulated to inhibit the corrosion of reinforcement as per manufacturer's specification][Mode of measurement:The affected surface area of reinforcement shall be considered for payment] Area same as Mark c 15% of mark C

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). Qty same as Sl 1.00

"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 and fixed after tying the existing reinforcement on concrete without distributing the same and with proper scarping and cleaning the reinforcement and disturbed concrete with wire brush etc. after applying a coat of cement including the cost of wire netting I.R.C or X. P. M. & cost of all handling and scaffolding complete as per direction of Engineer-in -charge.a) 20 mm thick Qty same as Sl 3.00 "

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (6mm nominal size) excluding shuttering and reinforcement,if any, in gound floor as per relevant IS codes. Pakur variety 4th floor Ground Floor

Stripping off worn out plaster and raking out joints of walls, celings etc. upto any height and in any floor including removing rubbish within a lead of 75m as directed. 3rd floor Wall 2 Inside 2 2nd floor 2 Wall Inside 1st floor Wall Ground floor Wall Inside Area same as 1st floor mark W2(M+P+A1+B1+C1+D1+E1+F1)

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including round off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] (iii) With 1:6 cement mortar (b) 15 mm thick plaster Ground floor

1st floor

2nd floor