WBPWD/AE/RGKHSD/ NIeT-05/2026-27_3

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. 1st floor

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] 8mm dia Bar 1st 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.

Applying 2 coats of Acrylic Polymer Modified Paint (Equivalent to MASTER CRETE M-01 of Choksey or milar specified product) having water proofing cum bonding properties for specific use of water prone urva to prevent leakage underneath by mixing in proportion (1 liquid compound 2 cement) as per Manufacturer's specification (Cement to be supplied by the Department).

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. c) 37.5mm thick

Cutting chase upto 125 x 150 mm. and subsequent mending of damages. (a) in brick wall [Cement-3.6 Kg/Mtr]

Supplying, preparing and placement of ready mix non shrink cementious micro concrete having no metric aggregate or chlorides for repairing and jackting of damaged R.C.C. members. The micro concrete should achieve a compressive strength not less than 10 MPa after 24 hours, 40 MPa after 7 days and 50 MPa after 28 days at 300C. It should have unrestrained expansion in between 1 to 4% flexural strength shall not be less than 5MPa after 28 days. Micro concrete should have a co-efficient of thermal expansion similar to that of the host concrete. In Super Structure, Ground Floor.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar includingPlaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding 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] (ii) With 1:4 cement mortar (a) 20 mm thick plaster

With 1:4 cement mortar 10 mm thick plaster

Supplying, fitting & fixing 1st quality Ceramic tiles in walls and floors to match with the existing work & 4 nos. of key stones (10mm) fixed with araldite at the back of each tile & finishing the joints with white cement mixed with colouring oxide if required to match the colour of tiles including roughening of concrete surface, if necessary or by synthetic adhesive & grout materials etc. Wall Area of each tile above 0.09 Sq.m Coloured decorative 1st. Floor