WBKP/CP/NIT-58/ repairing and renovation of Dhal Section of 6th Bn., KAP at 1st Floor, Toilet Block of Armoury Building at 2nd Floor, BGL /TEN, Dated.17.02.2026

Necessary repairing and renovation of Dhal Section of 6th Bn.,KAP located at 1st floor and Toilet block of Armoury Building located at 2nd floor, BGL, Kolkata, during the year 2025-2026.

Taking out Mirzapur or glazed porcelain tiles carefully by chiselling from walls or floor including stacking serviceable material as directed

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m In ground floor including roof.(a) upto 150 mm. thick

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.

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.

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]

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 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 b) 25 mm thick

(b) Applying 2 coats of Non-Toxic Acrylic Polymer modified Paint having adhesive & waterproofing properties by mixing in proportion (1 liquid: 4 cementitious material) or as per manufacturer's specification for water proofing layer in water tank etc. (No Departmental Cement is required)

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (6mmnominalsize) excluding shuttering and reinforcement,if any, in gound floor as perrelevant IS codes Pakur variety

125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in ground floor

Plaster (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 over concrete surface] (i) With 1:6 cement mortar b) 20 mm thick plaster

Plaster (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 over concrete surface] (ii) With 1:4 cement mortar (c) 10 mm thick plaster

(b) Rendering the surface of walls and ceiling with white cement based wall putty of approved make and brand(1.5mm thick)

Acrylic Distemper to interior wall, ceiling with a coat of solvent based interior grade acrylic primer (as per manufacturer's specification) including cleaning and smoothning of surface. Two Coats

Supplying and laying true to line and level Anti-Skid, Full Body, Homogeneous & Granular finish Vitrified Tiles conforming to IS:15622-2006 & IS 4457-2007 and testing shall be made in accordance with IS:13630 [Non- modular sizes for tiles with Skid resistance > 0.5, Mohr's hardness > 5.0, Staining resistance: Class-1, Water Absorption: E < 0.5%], MOR > 35 N/sq.mm in Internal area of building e.g. Toilet Block, Passage, Corridor, Accessible Open Terrace etc. set in 20 mm sand cement mortar (1:4) and 2 mm thick cement slurry at back side of tiles using cement @ 2.91 Kg./Sqm or using Polymerised Adhesive (6 mm thick layer applied directly over finished artificial stone floor/ Mosaic etc without any backing course) laid after application slurry using 1.75 Kg of cement per Sqm below mortar only, joints grouted with admixture of white cement and colouring pigment to match with colour of tiles/ epoxy grout materials of approved make as directed and removal of wax coating of top surface of tiles with warm water and polishing the tiles using soft and dry cloth upto mirror finish complete including the cost of materials, labour and all other incidental charges complete true to the manufacturer's specification and direction of Engineer-in-Charge. (White cement, synthetic adhesive and grout material to be supplied by the contractor). b) In Ground Floor: Sizes-600 mm x600mm x10 mm with breaking strength > 1500 N

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. (B) Wall With Sand Cement Mortar (1:3) 15 mm thick & 2 mm thick cement slurry at back side of tiles using cement @ 2.91 Kg/Sq.m & joint filling using white cement slurry @ 0.20kg/Sq.m (b) Area of each tile above 0.09 Sq.m (i) Coloured decorative

Supplying solid flush type doors of commercial quality, the timber frame consisting of top and bottom rails and side styles of well seasoned timber 65mm wide each and the entire frame fitted with 37.5mm wide battens places both ways in order to make the door of solid core and internal lipping with Garjan or similar wood veneers using phenol formaldehyde as glue etc. complete, including fitting, fixing shutters in position but excluding the cost of hinges and other fittings in ground floor (a) 35 mm thick shutters (single leaf)

Supplying, fitting & fixing factory made solid panel foam PVC (density shall not be less than 600 kg/cum) door shutter consisting of 19 SWG thick M.S. tube of size 40mm X 20mm for styles and top, lock & bottom rail and welded together to form outer framework including a coat of approved make steel primer. M.S. frame shall be covered with 5mm thick heat moulded PVC channel to form 30mm X 100mm styles and 5mm thick PVC sheet on either side of panel to form 30mm X 125mm top, lock & bottom rail where 15mm (5mm X 3) thick and 20mm wide PVC sheet to be provide as gap insert for top & bottom rail. For panel 10mm PVC sheet to be fitted with stiles & rails with 30mm X 5mm PVC sheet beading on either side of panel and additional 30mm PVC beading as gap insert below top & bottom rail on either side of panel joined together using solvent cement adhesive. An additional 5mm thick and 20mm wide PVC strip to be stuck on the interior side of the PVC channel using using solvent cement adhesive etc. complete excluding all necessary hardwares as per direction of Engineer-in-Charge. In Ground floor. 30mm thick single leaf shutter with 10mm thick panel. (a) Plain Colour.

Supplying, fitting & fixing factory made foam PVC (density shall not be less than 600 kg/cum) door frame (finished weight of 2.73 kg/mtr.) of size 100mm X 45mm made off with 5mm thick extruded foam PVC sheet, mitre cut at junction of horizontal and vertical member and joined them by heat welding. Entire door frame profiles to be reinforced with steel primer coated 19 SWG 40mm X 20mm M.S. tube. An additional 5mm thick PVC sheet with desired colour/shade to be provided at the exposed surface and three nos 5mm thick PVC sheet to be provided as gap insert. The door frame to be fixed with wall by using 8 mm dia. and 100mm long strainless steel screws and PVC fasteners.A minimumof 4 nos. screws to be provided for each vertical member&2 nos. for horizontal member all complete as per direction of Engineer-in-Charge. (a) Plain Colour.

Supplying, fitting & fixing factory made solid panel foam PVC (density shall not be less than 600 kg/cum) door shutter consisting of 19 SWG thick M.S. tube of size 40mm X 20mm for styles and top, lock & bottom rail and welded together to form outer framework including a coat of approved make steel primer. M.S. frame shall be covered with 5mm thick heat moulded PVC channel to form 30mm X 100mm styles and 5mm thick PVC sheet on either side of panel to form 30mm X 125mm top, lock & bottom rail where 15mm (5mm X 3) thick and 20mm wide PVC sheet to be provide as gap insert for top & bottom rail. For panel 10mm PVC sheet to be fitted with stiles & rails with 30mm X 5mm PVC sheet beading on either side of panel and additional 30mm PVC beading as gap insert below top & bottom rail on either side of panel joined together using solvent cement adhesive. An additional 5mm thick and 20mm wide PVC strip to be stuck on the interior side of the PVC channel using using solvent cement adhesive etc. complete excluding all necessary hardwares as per direction of Engineer-in-Charge. In Ground floor. 30mm thick single leaf shutter with 10mm thick panel. (a) Plain Colour.

Iron butt hinges of approved quality fitted and fixed with steel screws, with ISI mark. (v) 75mm. X 60mm. X 3.15mm.

Iron butt hinges of approved quality fitted and fixed with steel screws, with ISI mark. (viii) 100mm. X 75mm. X 3.50mm

Anodised aluminium skeleton bolt of approved quality manufactured from extruded section conforming to I.S: specification (I.S: 204/74) fitted and fixed with cadmiim plated screws: (ii) 225mm long x 12mm dia. Bolt

Anodised aliminium D-type handle of approved quality manufactured from extruded section conforming to I.S. specification (I.S. 230/72) fitted and fixed complete: (a) With continuous plate base (Hexagonal/ Round rod) (ii) 100 mm grip x 10 mm dia rod.

Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 (A) (i) Single Socketed 3 Meter Length (a) 75 mm

Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 (A) (i) Single Socketed 3 Meter Length (b) 110 mm

Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 x) Bend 87.5º (b) 110 mm

Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 xiv) Cross Tee with Door (a) 75 mm

Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 xiv) Cross Tee with Door (b) 110 mm

Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 xxi) 110 X 110 P Trap 75 mm

Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 L) Rubber Ring (b) 110 mm

Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 xIvi) Door Cap (b) 110 mm

Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 Rubber Lubricant 500 ML

Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 Solvent Cement 250 ML

Labour for fitting and fixing U.P.V.C. pipes for above ground work including cost of jointing materials etc. fitting and fixing all necessary specials, cutting pipes, cutting holes in walls or R.C. floor where necessary and mending good all damages excluding the cost of masonry or concrete work, if necessary, but including the cost and fitting and fixing holder bat clamps (any floor) or for underground work including cutting trenches upto 1.5 metre and refilling the same complete as per direction of the Engineer in-charge. (Payment will be made on centre line measurement of the total pipeline including specials (A) Above ground (i) 75 mm dia

Labour for fitting and fixing U.P.V.C. pipes for above ground work including cost of jointing materials etc. fitting and fixing all necessary specials, cutting pipes, cutting holes in walls or R.C. floor where necessary and mending good all damages excluding the cost of masonry or concrete work, if necessary, but including the cost and fitting and fixing holder bat clamps (any floor) or for underground work including cutting trenches upto 1.5 metre and refilling the same complete as per direction of the Engineer in-charge. (Payment will be made on centre line measurement of the total pipeline including specials (A) Above ground(ii) 110 mm dia

Supplying, fitting and fixing Anglo-Indian W.C. in white glazed vitreous china ware of approved make complete in position with necessary bolts, nuts etc. (a) With 'P' trap (with vent)

Supplying, fitting and fixing Closet seat of approved make with lid and C.P. hinges, rubber buffer and brass screws complete. (b) Anglo Indian (ii) Plastic (hallow type) white

Supplying, fitting and fixing 10 litre P.V.C. low-down cistern conforming to I.S. specification with P.V.C. fittings complete,C.I. brackets including two coats of painting to bracket etc.

Supplying, fitting and fixing Flat back urinal (half stall urinal) in white vitreous chinaware of approved make in position with brass screws on 75 mm X 75 mm X 75 mm wooden blocks complete. (i) 635 mm X 395 mm X 420 mm

Supplying, fitting and fixing porcelain partition wall of approved make of size 618 mm X 310 mm complete in all respect.

Supplying, fitting and fixing PVC pipes of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, making threads,fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials and two coats of painting with approved paint in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. Payment for painting will be made seperately) (a) For Exposed Work -- PVC Pipes (Dia) 15 mm

Supplying, fitting and fixing PVC pipes of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, making threads,fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials and two coats of painting with approved paint in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. Payment for painting will be made seperately) (a) For Exposed Work -- PVC Pipes (Dia) 25 mm

Supplying, fitting and fixing white vitreous china best quality approved make wash basin with C.I. brackets on 75 mm X 75 mm wooden blocks, C.P. waste fittings of 32 mm dia., one approved quality brass C.P. pillar cock of 15 mm dia., C.P. chain with rubber plug of 30 mm dia., approved quality P.V.C. waste pipe with C.P. nut 32 mm dia., 900 mm long approved quality P.V.C. connection pipe with heavy brass C.P. nut including mending good all damages and painting the brackets with two coats of approved paint. (ii) 550 mm X 400 mm size

(c) Chromium plated Hand shower 70mm dia Round Shape Single flow with Flexible Tube & fittings(Equivalent to Code No. ESH-5512 & Model - Tropical / Sumthing Special of ESSCO or similar).

(a) (i) Chromium plated Bib Cock short body (Equivalent to Code No. 511 & Model - Tropical / Sumthing Special of ESSCO or similar brand).

(b) (i) Chromium plated Stop Cock (Equivalent to Code No. 513(A) & 513(B) & Model - Tropical / Sumthing Special of ESSCO or similar

Supplying, fitting and fixing Half round channel with or without outlet as required set in cement concrete (6:3:1) with jhama chips complete. (Payment of concrete will be paid seperately). (ii) 600 mm X 150 mm (b) White vitreous chinaware

Supplying, fitting and fixing towel rail with two brackets. (b) Aluminium (ii) 25 mm dia. and 600 mm long

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