Kolkata Metropolitan Development Authority Tender

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]. In any floor.

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). Note: Applicable only when the full diameter of reinforcement steel is exposed. In any floor

Applying 2 coats of bonding agent with synthetic multi functional rubber emulsion having adhesive and water proofing properties by mixing with water in proportion (1 bonding agent : 4 water : 6 cement) as per Manufacturer's specification. In any floor

Removing corroded worn out portion of reinforcement (when the area of bar is damaged by more than 25%) by cutting and replacing the same by a new plain round bar of requisite diameter by binding with required lap / welding with old bar, including cost of reinforcement, complete in all respect including removing unserviceable materials from site as per direction of the Engineer - in - charge. Note : Payment on weight (Kg.) of new reinforcement.a) All floors.

Supplying and application of chemical for post Installed rebar connection by using ETA approved for seismic criteria In rebar connection, Including drill/ng hole to the required depth by rotary hammer drill, cleonlng with brush & jet of clean air, /ill/ng chemical usIng serrated noule to eliminate mIxIng error and in a voldless manner IncludIng charges for all tools & plants. Application to be designed for post· Installed rebars as per ECZ/TR023 or relevant tested of rebar fixing whIch should be furnished by manufacturer. The installation and Injection process should and the setting instructions should be strIctly followed as per manufacturer's specl/icatlons as approved by EICprior to drlll/ng along with post· Installed rebar embedment design report. The existing concrete member should be scanned using rebar scanner to avoid hitting existing reinforcement in concrete during drilling. Notes: 1)This rate is excluding the cost of scaffolding. 2)This work should not be excuted without specific permission of Superintending Engineerof the respective circle and Injection process should be executed in the presence of officer not below the rank of Assistant Engineer to supervise the work minutely. 3) Rebar grouting Is specifically required for extension and strengthening purpose of old or existing RCCstructural members with new RCCstructural members through rebar fixing chemical Item without breaking beam, coloumn, roof slab, lintel, cellina etc.

ii) Cost of rebar with rebar chemical for 16 mm dia per cm of depth

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) 37.5mm thick In any floor

Supplying, preparing and placement of ready mix non shrink cementious microconcrete having no metalic 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 MPaafter 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.

Labour for cutting R.C core concrete through mechanical cutter upto depth 150mm x 150mm x 150mm

M.S. works in brackets made from flats, angles, tees etc. to sizes specialy bent, twisted, forged; making holes drilled and fitted to rafter of trusses with necessary bolts, nuts, washer or screws etc. (length of straight not less than 230 mm)

Supplying, Fitting & Fixing Factory made prelaminated P.V.C. door frame of size 50 mmx47 mm with a wall thickness of 5 mm, made out of extruded 5 mm Prelaminated PVC sheet miter cut at two corners and joined with two nos of 1.5 m long brackets of 15 mm x15 mm M.S. square tube. The two vertical door profiles are to be reinforced with 19 mmx 19 mm M.S. Square tube of 19 gauge, weather seal to be provided through out the frame. The door frame shall be fixed with the wall using 65/100 mm M.S. Screws through the frame by using P.V.C fasteners. A minimum of 4 Nos of screws to be provided for each vertical member and minimum 2 Nos for horizontal member etc. complete as per Manufacturer‟s specification and direction of Engineer-in-Charge.

Supplying, Fitting & Fixing 30 mm thick Factory made solid Panel PVC Door Shutter consisting of outer frame made out of M.S. tubes of 19 gauge thickness and size 19 mmx19 mm for styles, top and bottom rails, M.S. frame shall have cost of steel primers of approved make and manufacture, M.S. frame covered with 5 mm th. heat moulded PVC “C” channel of size 30 mm th, 70 mm width out of which 50 mm shall be flat and 20 mm shall be tapered in 45 degree angle on either sides forming styles; and 5 mm th. 95 mm wide PVC sheet out of which 75 mm shall be flat and 20 mm tapered in 45 degree on the inner side to form top & bottom rail and 115 mm wide PVC sheet out of which 75mm shall be flat and 20 mm shall be tapered on both sides to form lock rail. Top, bottom and lock rails shall be provided either side of the panel with 10 mm (5 mmx2) th.,20 mm wide cross PVC sheet as gap insert for top rail and bottom rail. Paneling of 5 mm th. both side PVC sheet to be fitted in the M.S. frame welded/sealed to the styles &rails with 7 mm (5 mm+2 mm) th.x15 mm wide PVC sheet beading on inner sideand joined together with solvent cement adhesive. An additional 5 mm th. PVC strip of 20 mm which is to be stuck on the interior side of the “C” channel using PVC solvent adhesive etc. complete excluding all necessary hardwares as per direction of Engineer-in- charge. In ground floor. a) At 3rd floor

Wood work in door and window frame fitted and fixed in position complete including a protective coat of painting at the contact surface of the frame exluding cost of concrete, Iron Butt Hinges and M.S clamps. (The quantum should be correted upto three decimals). (a) Sal : Malayasian (i)At 3rd floor.

Taking out shutter of door and window, dimantling by parts (for repair and replacement of damaged parts), reassembling and refitting and rehanging same with old fittings but with new screws as necessary. At 3rd floor.

Styles and rails of wooden shutters fitted and fixed complete (Payment to be made on area of new work only) i) 35mm thick shutter a) Sishu, Gamar, Champ, Badam, Bhola, Mogra, Hallak. In 3rd floor

Renewing 12 mm thick louvered of fixed louvered shutter to match with the existing one including necessary railing pieces: In 3rd floor a) Sishu, Gamar, Champ, Badam, Bhola, Mogra, Hallak

Supplying, fitting and fixing M.S. clamps for door and window frame made of flat bent bar, end bifurcated with necessary screws etc. by cement concrete(1:2:4) as per direction. (Cost of concrete will be paid separately). (a) 40mm X 6mm, 200mm Length. In 3rd floor

Iron butt hinges of approved quality fitted and fixed with steel screws, with ISI mark. (vi) 100mm. X 50mm. X 1.25mm. In 3rd floor

Iron hasp bolt of approved quality fitted and fixed complete (oxidised) with 16mm dia rod with centre bolt and round fitting. (a) 250mm long. In 3rd 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 1:4 cement mortar

(a) 15 mm thick plaster At 3rd floor.

(ii) With 1:6 cement mortar (b) 20 mm thick plaster At 3rd floor.

Artificial stone in floor, dado, staircase etc with cement concrete (1:2:4) with stone chips, laid in panels as directed with topping made with ordinary or white cement (as necessary) and marble dust in proportion (1:2) including smooth finishing and rounding off corners including raking out joints or roughening of concrete surface and application of cement slurry before flooring works using cement @ 1.75 kg/sq.m all complete including all materials and labour. In ground floor. 3 mm. thick topping (High polishing grinding on this not permitted with ordinary cement). Using grey cement (i) 35 mm thick At 3rd floor.

Supplying, fitting and fixing E.W.C. in white glazed vitreous chinaware of approved make complete in position with necessary bolts, nuts etc. (a) With 'P' trap In 3rd floor

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. In any floor

Supplying, fitting and fixing Closet seat of approved make with lid and C.P. hinges, rubber buffer and brass screws complete. (a) E.W.C. (i) Plastic (hallow type) white in 3rd floor

Supplying, fitting and fixing shower of approved brand and make. (i) Hand Shower(Health Faucet) with 1mtr Fexible Tube with Wall Hook (Equivalent to Code No.573 & Model -ALLIED of Jaquar or similar). In 3rd floor

Supplying, fitting and fixing bib cock or stop cock. (a) PTMT (Polytetra Bib Cock / Stop Cock ( Prayag or equivalent) (i) 15 mm In 3rd floor

(b) (i) Chromium plated angular Stop Cock with wall flange (Equivalent to Code No. 5053 & Model - Florentine of Jaquar or similar brand). In 3rd floor

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) (i) 15 mm

(ii) 20 mm

Applying Interior grade Acrylic Primer of approved quality and brand on plastered or cencrete surface old or new surface to receive Distemper/ Acrylic emulsion paint including scraping and preparing the surface throughly, complete as per manufacturer's specification and as per direction of the EIC. (In 3rd Floor) (a) One Coat (i) Solvent based interior grade Acrylic Primer

Applying Acrylic Emulsion Paint of approved make and brand on walls and ceiling including sand papering in intermediate coats including putty (to be done under specific instruction of Superintending Engineer) : (i) Standard Quality

Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. In 1st floor

Priming one coat on timber or plastered surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. In 1st floor

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary : On steel or other metal surface : With other than hi-gloss of approved quality- (i) Two coats (with any shade except white) In 1st floor

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary : (a) On timber or plastered surface : With other than hi-gloss of approved quality- (i) Two coats (with any shade except white) In 1st floor

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge.

Add GST @ 18% on Total amount over item No. 1 to 37, i.e. Rs.241522.00

Add Labour Welfare Cess @ 1% on Total amount over item No. 1 to 38, Rs 284996.00