Kolkata Municipal Corporation Tender

BUILDING WORKS ( C ) BRICKWORKS, CONCRETE WORKS Etc. A. BRICK WORKS 1. Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. ( 3rd Corrigenda & addenda dated 04.06.2018)

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety ( Ref :PWD (Bldg.)-2017, page-24 (item -4(a), consumption chart pg-B-60, sl-1 and Annexture-II , Format-A, 3rd Corrigenda & addenda p-10 dtd-04.06.2018, PWD(R&B) 2018, Chapter-1, pg-227 I-1.03, pg-230,Table-I , Table III-2 pg-226, )

BUILDING WORKS (E) ROOFING, SHEET WALLING &WATERPROOF TREATMENT . A. ROOFING & SHEETWALLING 14. Supplying, fitting & fixing Zn-Al alloy (55% Al & 45% Zn) coating of 150 grams per sq. metre (followed by colour coated on both side) steel sheet work having minimum yield strength of 550 Mpa of trapizoidal profile of approved make (excluding the supporting frame work) fitted and fixed with 55 mm & 25 mm self tapping screw, EPDM Washer 16 mm dia & 3 mm th. washer etc. complete with 150 mm end lap and one corrugation minimum side lap. (Payment to be made on area of finished work). (i) In Roof:- a) With 0.5 mm thick sheet

BUILDING WORKS (F) STRUCTURAL STEEL WORKS, GRILLS, GATES ETC. A. ORIGINAL WORKS 2A. M.S. structural works with hollow sections (square or rectangular shape) conforming to IS: 806-1968 & IS:1161-1998) connected to one another with bracket, gusset, cleat as per design, drawing & direction of Engineer-in-Charge complete including cutting to requisite shape & size, fabrication including metal arc welding conforming to IS: 816-1969 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of all M.S. Hollow section, all consumables such as electrodes, gas and hire charges of all tools and plants and labour reqired for execution and all incidental chages (such as electricity, labour insurance) etc. complete. Payment to be made on the basis of calculated weight of structural memebrs of MS Holow Section as specified in relevent IS code in finished work. Payment for gusset, bracket, cleat may be made by adding the actual weight of such items with weight of finished structural members. The rates are considered for a hight of erection 8 m. / 2nd floor level from the ground. Add 1.5 % extra over the rate for each additional floor or 4m. beyond the initial 8 m. or part thereof. i) For roof truss works a) Span up to 12 Mtr  (3rd Corrigenda & addenda dated 04.06.2018)

BUILDING WORKS (E) ROOFING, SHEET WALLING &WATERPROOF TREATMENT . D. REPAIR & REHABILITATION 18. Fitting and fixing old pieces of asbestos, G.C.I. or C.I. sheets or plain sheets including closing old holes with washers and sheet-bolts and nuts, etc. and including fixing the same to supporting frame with necessary hook-bolts, washers, putty etc. (excluding cost of sheets). (Payment to be made on area of finished work.) (ii) With all new fittings including the cost thereof. (a) In roof

BUILDING WORKS (E) ROOFING, SHEET WALLING &WATERPROOF TREATMENT . D. REPAIR & REHABILITATION 18. Fitting and fixing old pieces of asbestos, G.C.I. or C.I. sheets or plain sheets including closing old holes with washers and sheet-bolts and nuts, etc. and including fixing the same to supporting frame with necessary hook-bolts, washers, putty etc. (excluding cost of sheets). (Payment to be made on area of finished work.) (ii) With all new fittings including the cost thereof. (b) In wall

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. (i) Pakur Variety ( Ref :PWD (Bldg.)-2017, page-26 (item -10(i), consumption chart pg-B-60, sl-3 and Annexture-II , Format-A, 3rd Corrigenda & addenda p-13 dtd-04.06.2018, PWD(R&B) 2018, Chapter-1, pg-227 I-1.03, pg-230,Table-I , Table III-2 pg-226, )

BUILDING WORKS ( C ) Brickworks,Concrete Works etc?36.Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor).(When the height of a particular floor is more than 4 m the equivalent floor height shall be taken as 4 m and extra for works beyond the initial 4 m ht. shall be allowed under 12 (e) for every 4 m or part thereof).(c) Steel shuttering or 9 to 12 mm thick approved quality ply board shuttering in any concrete work

BUILDING WORKS ( C ) Brickworks,Concrete Works etc.40..Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction.(a) For works in foundation and upto roof of ground floor/upto 4 m.(i) Tor steel/Mild Steel.I. SAIL/ TATA/RINL.

BUILDING WORKS (G) WOOD AND PVC WORKS C. MISCELLANEOUS WOODWORK 12. Supplying fitting and fixing I.R.C. fabric mesh with covering battens including cost of screws etc complete (excluding the cost of battens).In ground floor. (j) 25mm x 25mm x 2.2mm x 2.2mm (For upper floors refer to item H(4) also)

BUILDING WORKS (B) DISMANTLING, CUTTING CHASE, HOLES ETC 3. Dismantling R.C. floor, roof, beams etc including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars.(a) In ground floor including roof.

BUILDING WORKS ( C ) Brickworks,Concrete Works etc..C. REPAIR AND REHABILITATION WORKS?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.

BUILDING WORKS ( C ) Brickworks,Concrete Works etc..C. REPAIR AND REHABILITATION WORKS?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]

BUILDING WORKS ( C ) Brickworks,Concrete Works etc..C. REPAIR AND REHABILITATION WORKS?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 / m? of concrete surface).Note: Applicable only when the full diameter of reinforcement steel is exposed.

SEALING OF CRACKS /POROUS CONCRETE BY INJECTION PROCESS THROUGH NIPPLES / GROUTING COMPLETE AS PER TECHNICAL SPECIFICATION A) CEMENT GROUT

PROVIDING AND INSERTING NIPPLES WITH APPROVED FIXING COMPOUND AFTER DRILLING HOLES FOR GROUTING...................................

SECTION 1. ------------BUILDING WORKS (I) PLASTERING, POINTING ETC. A. ORIGINAL WORKS 1.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 (a) 20 mm thick plaster

SECTION 1. ------------BUILDING WORKS (I) PLASTERING, POINTING ETC. A. ORIGINAL WORKS 15 Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

BUILDING WORKS (D) Flooring A. ORIGINAL WORKS 33. Supplying, fitting & fixing granite slabs 15mm to 18 mm. thick with uniform texture & without decorative veins in columns, wall, facia,rise etc. with 15 mm thick [avg] cement mortar (1:2) including making suitable arrangements to hold the stones properly by brass / copper hooks including pointing in cement mortar (1:2) (1 white cement : 2 marble dust) with admixture of pigment matching the stone shades all complete as per direction of the Engineer-in-charge including cost of all materials, labours, scaffolding, staging, curing and roughening of concrete surface complete.[Using cement slurry at back side of granite @ 4.4 kg/sq.m & white cement slurry for joint filling @ 1.8 kg/sq.m] In ground floor (a) Area of each Granite slab 0.6 to 1.0 Square meter. Add extra for each addl, floor over the rate for item A(33, 34) I) upto 4 th floor- Rs. 12/-per Sq.m II) above 4th floor -Rs. 16/- per Sq.m

BUILDING WORKS (D) Flooring A. ORIGINAL WORKS 35. 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. (a) Area of each tile upto 0.09 Sq.m (i) Coloured decorative. Note: 2. Add extra for each addl, floor over the rate for item 35 & 36 of subhead A. (i) upto 4 th floor-Rs 5/ Sq.m (i) above 4 th floor-Rs 6.25/ Sq.m

BUILDING WORKS (G) WOOD AND PVC WORKS F. REPAIR WORKS 17.M.F. suspended ceiling made with 12.5 mm thick Gypsum plaster board including G.I. perimeter channel of 0.55 mm flush (having two flanges 20 mm and 30 mm respectively and web 27 mm ) along with perimeter of ceiling with G.I. intermediate channel of 0.9 mm thick size 45 mmx15mm placed at 750 mm c/c with G.I. ceiling angle of size 25 mmx10mmx0.55 mm thick fixed to the ceiling with G.I. Cleat and steel expansion fastener ceiling section 0.55 mm thick of size 51.50 mmx26mm fixed to the intermediate channels with the help of connecting clip and in the direction of perpendicular to the intermediate channel of 300 mm c/c 12.5 mm thick Gypsum plastered board are to be fixed under ceiling section as above by machine screws. The boards are to be joined and finished with jointing compound, paper tape and application of top coat etc. as per the direction of Engineer-in-charge. (The rate includes of cost of all materials including taxes, cost of accessories, fittings and fixtures, scaffolding and labour charges etc.complete)In ground floor

SANITARY AND DRAINAGE WORKS (B)-(IV)INSPECTION PIT,SEPTIC TANK,SOAK PIT ETC. (a) Original Works 1.Constructing Inspection pit of inside measurement 600mm X 600mm X upto 600mm(depth) with 250 mm thick 1st. class brick work in cement mortar (1:4) on all sides, bottom of the pit consisting of 100 mm thick cement concrete (1:3:6) with stone chips over a layer of jhama brick flat soling, 15 mm thick (1:4) cement plaster to inside walls and out-side walls upto G.L. and 20 mm.thick (1:4) plaster to bottom of the pit, providing necessary invert with cement concrete (1:3:6) with stone chips as per direction, neat cement finishing to entire internal surfaces, top of the pit covered with 100 mm thick R.C.C. slab (1:1.5:3) with stone chips and necessary reinforcements upto 1% and shuttering including 6 mm thick cement plaster (1:4) in all external surfaces of the slab and one 560 mm dia. R.C.C. manhole cover of approved make supplied, fitted and fixed in the slab with necessary fittings, necessary earthwork in excavation in all sorts of soil, filling sides of the pit with earth and removing spoils after work complete in all respect with all costs of labour and materials.i) With Pakur variety. (SAIL/TATA/RINL)

SANITARY AND DRAINAGE WORKS (B)-(IV)INSPECTION PIT,SEPTIC TANK,SOAK PIT ETC. (a) Original Works 1.Constructing Inspection pit of inside measurement 600mm X 600mm X upto 600mm(depth) with 250 mm thick 1st. class brick work in cement mortar (1:4) on all sides, bottom of the pit consisting of 100 mm thick cement concrete (1:3:6) with stone chips over a layer of jhama brick flat soling, 15 mm thick (1:4) cement plaster to inside walls and out-side walls upto G.L. and 20 mm.thick (1:4) plaster to bottom of the pit, providing necessary invert with cement concrete (1:3:6) with stone chips as per direction, neat cement finishing to entire internal surfaces, top of the pit covered with 100 mm thick R.C.C. slab (1:1.5:3) with stone chips and necessary reinforcements upto 1% and shuttering including 6 mm thick cement plaster (1:4) in all external surfaces of the slab and one 560 mm dia. R.C.C. manhole cover of approved make supplied, fitted and fixed in the slab with necessary fittings, necessary earthwork in excavation in all sorts of soil, filling sides of the pit with earth and removing spoils after work complete in all respect with all costs of labour and materials.iii) Extra for each additional depth of 150 mm or part thereof beyond initial 600 mm depth.

PLUMBING WORKS (A)-(II) G.I. PIPE WORKS AND FITTINGS 7. Supplying, fitting and fixing bib cock or stop cock. (a) (i) Chromium plated Bib Cock short body (Equivalent to Code No. 511 & Model - Tropical / Sumthing Special of ESSCO or similar brand).

BUILDING WORKS (K) PAINTING, VERNISHING ETC?(B)MISCELLANEOUS ITEMS.(1)Removing loose scales, blisters etc. from old painted surface and thoroughly smoothening the surface to make the same suitable for receiving fresh coat of paint.N.B:(Payment against item (1, 2, 3, 4) of subhead B will be made only when done at specific direction of the Engineer- in-charge. Cost of taking out shutter etc.for this item and rehanging the same or changing glass panes cracked or broken in the operation will be deemed to be covered by the rate of this item and no seperate payment therefore shall be made.)

BUILDING WORKS (K) PAINTING, VERNISHING ETC?(B)MISCELLANEOUS ITEMS.(5)(b) Rendering the surface of walls and ceiling with white cement based wall putty of approved make and brand(1.5mm thick)

SECTION 1. ------------BUILDING WORKS (J)WHITE WASH, COLOUR WASH, DISTEMPER A. ORIGINAL WORKS 7 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 Ground Floor) (a) One Coat ii) Solvent based interior grade Acrylic Primer.[This item to be done under specific instruction of the Superintending Engineer]

BUILDING WORKS (K) PAINTING, VERNISHING ETC?(A) ORIGINAL WORKS.(4)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) :(Two coats) i) Standard Quality

MATERIALS AND LABOUR  1. Building (B) Labour Rates Per Diem : 3)Mazdoor (Male). Note: (I)The above rates of labour are exclusive of 10% contractors profit and 1% Labour welfare cess which would be admissible to the Contractors, but contractual percentage will not be applicable. (II) The workersemployed on high rise building or any structure over 30 ft in height and also workers engaged in Tunnel shall be paid 20% extra wages.

MATERIALS AND LABOUR  1. Building (B) Labour Rates Per Diem : 13)Santras. Note: (I)The above rates of labour are exclusive of 10% contractors profit and 1% Labour welfare cess which would be admissible to the Contractors, but contractual percentage will not be applicable. (II) The workersemployed on high rise building or any structure over 30 ft in height and also workers engaged in Tunnel shall be paid 20% extra wages.

SECTION(B) - SANITARY AND DRAINAGE WORKS.(B)-(II) SOIL PIPE AND FITTINGS.(a) Original Works.(16.)Supplying, fitting and fixing with cement jointing (3:1) salt glazed stoneware pipe including excavation of earth upto 1.50 metre depth in all sorts of soil both mixed or unmixed and refilling (but excluding concreting at bottom and sides).(ii) 225 mm

SECTION(B) - SANITARY AND DRAINAGE WORKS.(B)-(II) SOIL PIPE AND FITTINGS.(a) Original Works.(16.)Supplying, fitting and fixing with cement jointing (3:1) salt glazed stoneware pipe including excavation of earth upto 1.50 metre depth in all sorts of soil both mixed or unmixed and refilling (but excluding concreting at bottom and sides).(iii) 150 mm

BUILDING WORKS ( C ) Brickworks,Concrete Works etc B. CONCRETE WORKS 1. Cement concrete with graded jhama khoa (30 mm size) excluding shuttering In ground floor and foundation (a) 1:3:6 proportion

23.Construction of Catch pit 600mmX525mm. (inside measurement) and depth of invert 1000mm. below G.L. with 250mm. thick cement brick work (1:4) over 100mm. thick jhama cement concrete (1:4:8) bed over a layer of brick flat soling including providing 100mm. thick R.C.C. slab with ordinary cement concrete (mix 1:1.5:3) with reinforcement as per standard drawing, brickon- edge flooring with 20 mm. thick cement plaster (1:4) finished fine with 1.5 mm. thick neat cement in the inside walls and invert including supplying and fixing R.C.P.C. gully grid (5 M.T.load bearing capacity) and 150 mm. dia. C.I. Syphone including cutting hard crust, excavation, dewatering, back filling and removal of spoils as per standard drawing

BUILDING WORKS ( C ) Brickworks,Concrete Works etc?27?..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

BUILDING WORKS (E) ROOFING, SHEET WALLING &WATERPROOF TREATMENT . B. WATERPROOF TREATMENT 4. Supplying & laying 3mm thick pre-fabricated plastomeric water proofing membrane conforming to EN 12311-1 & ASTMD 5147, manufactured with atactic poly propylene (APP) modified premium grade asphalt , specially reinforced with non-woven polyester core with polyester reinforcement @160 gms per sqm & both faces covered with thermo-fusible polyethylene film /MineraL on top face over a coat of primer @ 0.40 lit/sqm of manufacturer's specification on smooth,clean dry surface prepared wherever required.Lap joint shall be provided of 75 mm in longitudinal & 100 mm in transverse direction and fused using LPG/ Propane torch employing extra care ensuring full bondage, complete removal of entrapped air and sealing edges into grooves in appropriate manner as per direction of Engineer -in-charge all complete including materials,labour and applicable taxes. (Payment shall be made on the basis of finished surface area.). Membrane Property: Softening Point 150 deg C, Cold Flexibility -6 deg C, Tensile Strength, N/cm : 600 (longitudinal), 450 (transverse), Tearing Strength, N: 300 (longitudinal), 200 (transverse)

SECTION 1. ------------BUILDING WORKS (I) PLASTERING, POINTING ETC.B. MISCELLANEOUS ITEMS 1 Labour for Chipping of concrete surface before taking up Plastering work.

SECTION(B) - SANITARY AND DRAINAGE WORKS.(B)-(II) SOIL PIPE AND FITTINGS.(a) Original Works.(23)Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992.(A)(i) Single Socketed 3 Metre Length.(b) 110 mm.

SECTION(B) - SANITARY AND DRAINAGE WORKS.(B)-(II) SOIL PIPE AND FITTINGS.(a) Original Works.(23)Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992.(B) Fittings.x) Bend 87.5....(b) 110 mm

PLUMBING WORKS (A)-(II) G.I. PIPE WORKS AND FITTINGS 19(I) 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) (e)40 mm

SECTION 1. ------------BUILDING WORKS (K) PAINTING, VERNISHING ETC A. ORIGINAL WORKS 1 (a) Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc (This item is applicable to new work or old work when the original surface has been exposed by removal of old paint.)

BUILDING WORKS (K) PAINTING, VERNISHING ETC?(A) ORIGINAL WORKS.(2)(A) 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 :(b) On steel or other metal surface :With super gloss (hi-gloss) -(iv) Two coats (with any shade except white)

Sub Total

GST 18%

CESS 1%