West Bengal Housing Board-WBHB has published Tender For Repairing And Renovation Of The Chambers Of Vice Chairman And Housing Commissioner Of Wbhb Along With Lift Facia At Ground Floor And Fifth Floor Abasan Building 105 Sn Baneerjee Road Kolkata 700014. Submission Date for this Tender is 16-05-2023. Building Work Tenders in kolkata West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 11-May-2023 | 1st Corrigendum | Other | 16-05-2023 |
| Sl. No. | Item Description |
| 1 | Item No.1) Supplying, fitting and fixing 8mm thick Laminated wooden Flooring Work conforming to EN13329:2006 with plank size not Iess than 1200mmX 190 mm (with unilin/tongue-groove locking arrangement) having 0.2mm thk top abrasive layer over a decorative layer followed by a High-density fibreboard (HDF) having density > 940 kg/m3 substrate core over a rasin saturated backing layer and installing through unilin or tongue- groove system (having locking strength not less than1000 kg/m) over a 2 mm thk underlayer polyurethene foam on polythene sheet 250 micron, over a smooth, flat, hard subfloor free from moisture (< 8%), grease etc. complete in all respect with requisite accessories like end profile, transition profile,reducer "T" profile etc. wherever required and preparation ofase including all other incidental works as per direction &satisfaction of Engineer in charge. Cost of Laminate Floor Accessories only (Skirting,End edge, T- moulding,Reducer)shall have to be added separately, wherever required.(Note: This work should not be executed without specific permission of Superintending Engineer). |
| 2 | Item No.2) Supplying and laying true to line and level Double Charge Vitrified Tiles of approved brandconforming to IS 15622: 2006 (Group B I a) and tested as per IS 13630:2006 (relevant parts) [Non-modular sizes for tiles with Water Absorption (av.) = 0.08 %] in floor, skirting etc. set in 20 mm thick sand cement mortar (1:4) bed prepared after application of slurry using 1.75Kg of cement per Sqm over the base and 2mm thick cement slurry using cement @2.91Kg./sqm at the back side of the tiles and laid over the mortar bed using 0.2 kg/sqm of White cement used for joint filling with approved pigment 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,Iabour and all other incidental charges completetrue to the manufacturer"s specification and direction of Engineer-in-Charge. Size not less than 800m.m x800 m.m. x10.2 m.m thick. |
| 3 | Item No-3) Supplying Laminate Floor Accessories (Skirting, End edge, Tmoulding, Reducer ) to 8mm thick Laminated wooden Flooring Work conforming to EN13329:2006 with plank size not Iess than 1200mmX 190 mm (with unilin/tongue-groove locking arrangement) having 0.2mm thk top abrasive layer over a decorative layer followed by a High-density fibreboard (HDF) having density > 840 kg/m3 substrate core over a rasin saturated backing layer and installing through unilin or tongue- groove system (having locking strength not less than 1000 kg/m) over a 2 mm thk underlayer polyurethene foam on polythene sheet 250 micron, over a smooth, flat, hard subfloor free from moisture (< 8%), grease etc. complete in all respect as per direction & satisfaction of Engineer in charge. Cost of labour charge for fitting & fixing of Laminate Floor Accessories only (Skirting,End edge, T- moulding,Reducer )shall have to be added separately, wherever required. (Note: This work should not be executed without specific permissionof SuperintendingEngineer) |
| 4 | Item No.4)Supplying, fitting & fixing best quality digital printed Ceramic tiles in coloured decorative on walls and floors to match with the existing work & 4 nos. key stones (10mm) fixed with adhesive 4.5 mm thick 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. With polymerised adhesive and epoxy grout pointing including spacer - 2mm (When tiles are laid over existing hard ready surface) all complete as per direction of Engineer-in-charge. |
| 5 | Item No.5) Dismantling artificial stone flooring upto 50 mm. thick by carefully chiselling without damaging the base and removing rubbish as directed within a lead of 75 m. |
| 6 | Item No.6) Providing and fixing of false ceiling with powder coated exposed G.I. grid suspension system (E-Grid U-1520 or equivalent load carrying capacity with mid span deflection not exceeding 1/360 span with hanger spacing of 1200mm c/c ) consisting of Main Runner 3600 mm long, Cross Tee 1200 mm / 600 mm long and Wall Angle. The Wall Angle shall be fixed on PVC Dash Fasteners on the perimeter of the wall by steel screws with distance 300mm c/c. The Main Runners to be placed @ 1200 mm. The Cross Tee 1200mm will be inserted in the pre-cut slots of Main Runner at a regular interval of 600 mm to form a modular grid of 1200mm X 600mm. Additional Cross Tees of 600 mm shall be placed perpendicular to the Cross Tee 1200 mm long to finally form a grid of 600 mm X 600 mm. Grid of module size 600 mm X 600 mm shall be supported by 6 mm dia G.I. wire from purlins / soffit. 15mm thick OW Acoustic Board (Mineral Fiber Acoustic Ceiling Tiles) of approved patern and size 595mm X 595mm with NRC value > 0.65 should be placed in the Grid module to form a False Ceiling. All complete as per the drawing & directions of Engineer-in-charge. a) Acoustic False Ceiling (with 15mm thick OW Acoustic Board and E-Grid U-1520). |
| 7 | Item No.7)Supplying,fitting & fixing in position suspended false ceiling with frame work of aluminium hollow section of size 50mm X 25mm (2.0mm thickness) combined with aluminium corners of size 38mm X 25mm, suspended by aluminium hollow tube section of size 38mm X 25mm having size of 600mm X 600mm ceiling with aluminium composit panels (ACP) - Interior grade of thickness 3.0mm comprising of proctective film, polyester coating, primer, aluminium coil, adhesive film, polyethylene core again with one layer adhesive film, aluminium bottom coating and finally service coating as per manufacturer"s specification finished with aluminium screw and silicon sealent complete in all respect including all incidental charges etc. as per direction of Engineer-in-charge. |
| 8 | Item No.8) Supplying,fitting and fixing Roller Blind made with High quality Sun protected printed fabric Cloth Screen with Aluminium Roller 2nos. And bracket with Aluminium machine and high quality decorative operative chain (including nails and screws). |
| 9 | Item No.9) Supplying,fitting and fixingAcrylic wall paper with adhesive and finished joints by bevelled cut to give uniformity complete as per specification & direction of EIC. The rate is inclusive of all labour, materials,taxes,carriage & all other incidental charges complete |
| 10 | Item No.10) Supplying , fitting & fixing boiling waterproof ply conforming to IS:710-1977 bonded with phenol formaldehyde synthetic resin conforming to IS:848-1974 of approved make and brand fitted and fixed as per design as per approval and direction of EIC[ excluding the supporting frame worl and teak wood batten/lipping] 12 m.m thick |
| 11 | Item No.11) Supplying fitting, fixing decorative lamination conforming to IS: 2046 : 1995 as per approved make, brand, finish and thickness with fitting, fixing the same on Particle/MDF / Ply Boards with recommended / approved adhesive with proper clipping the sides for better attachment as per direction of Engineer-incharge.The rate includes the cost of labour, adhesive and all incidental charges thereof. In ground floor.Glossy/Matt/Suede excluding surface texture or metallic lustre a) GF |
| 12 | b) 2nd floor |
| 13 | c) 3rd floor |
| 14 | Item No.12)French polishing to wood work including preparing surface on old French polished surface including complete removal of the old polish. High Gloss Finish |
| 15 | Item No.13) 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.(b) Two coats(i)Water based interior grade Acrylic primer |
| 16 | Item No.14)Protective and Decorative Acrylic exterior emulsion paint of approved quality, as per manufacturer"s specification and as per direction of Engineer-in-Charge to be applied over acrylic primer as required. The rate includes cost of material, labour, scaffolding and all incidental charges but excluding the cost of primer.Two coats (b) Premium 100% Acrylic emulsion |
| 17 | Item No.15) 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). (b) Ordinary teak. |
| 18 | Item No.16) Supplying "Godrej" mortice lock chromium plated with latch and keys 6 levers, including fitting and fixing complete. |
| 19 | Item No.17) Chromium plated angular Stop Cock with wall flange (Equivalent to Code No. 5053 & Model - Florentine of Jaquar or similar brand). |
| 20 | Item No.18) Supplying, fitting and fixing E.W.C. in white glazed vitreous chinaware of approved make complete in position with necessary bolts, nuts etc. P-trap |
| 21 | Item No.19)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. (iv) Bestolite (solid type) white |
| 22 | Item No.20) 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. |
| 23 | Item No.21) 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. pillarcock 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 approvedquality 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 .Angle back wash basin 400 mm X 400 mm size |
| 24 | Item No.22)Supplying, fitting and fixing pillar cock of approved make.CP Pillar Cock - 15 mm. (Code No. 5011 & Model - FLORENTINE of JAQUAR or equivalent). |
| 25 | Item No. 23) Supplying, fitting and fixing complete Bottle waste trap (Heavy Quality) (a) Chromium plated Bottle trap 32 mm with 190 mm long connecting pipe and wall flange (Equivalent to Code No. 545 & Model - Tropical / Sumthing Special of ESSCO or similar brand). |
| 26 | Item No.24)Supplying, fitting and fixing best quality Indian make mirror 5.5 mm thick with silvering as per I.S.I. specifications supported on fibre glass frame of any colour, frame size550 mm X 400 mm |
| 27 | Item No.25)Supplying, fitting and fixing glass shelf with aluminium guard rails. (a) Ordinary type with 5.5 mm sheet glass. 450 mm X 125 mm |
| 28 | Item No.26)Supplying, fitting and fixing liquid soap container. Cromium plated. |
| 29 | Item No.27) Supplying, fitting and fixing shower of approved brand and make.(f) Hand Shower(Health Faucet) with 1mtr Fexible Tube with Wall Hook(Equivalent to Code No.573 & Model -ALLIED of Jaquar or similar). |
| 30 | Item No.28)CP 2-way bib Cock - 15 mm, supplied, fitted and fixed. (Code No.5041 & Model - FLORENTINE of JAQUAR or similar brand). |
| 31 | Item No.29)Taking out existing partition/ceiling of particle board, masonite board, ply board,soft board etc. of any thickness and refixing same in new position with necessaryclamps making holes in walls, floor, roof and mending damages if any.[concreteplaster will be paid separately][ Gr.floor & 5th floor lift facia]. |
| 32 | Item No.30)Wall panelling / partition with Melamine faced 3 layered flat pressed wood particle board of approved make and brand as per direction of Engineer - in -Charge of requisitegrade bonded with phenol formaldehyde synthetic resinconforming to IS: 848 - 1974 (excluding the cost of supporting frame work andteak wood battens / lipping)B)Prelaminated particle board conforming to IS: 3087 - 1985 and IS 12823 -1990.i) One side decorative laminated ii)Interior Grade- 12 mm thick. a) GF |
| 33 | b) Fifth flooor |
| 34 | Item No.31)Supplying, fitting and fixing boiling water proof ply conforming to IS: 710-1977 bonded with phenol formaldehyde synthetic resin conforming to IS: 848-1974 of approved make and brand fitted and fixed as per design as per approval and direction of Engineer-in-Charge. [excluding the cost of supporting frame work and teak wood batten/Lipping] In Ground Floor-19mm thick |
| 35 | Item No.32)Supplying wooden moulding slanting beat of size 37mm X 18mm (finished) of approved design to finish the joint between wooden frame of door/window with masonary in true line and level fitted & fixed with adhesive and head less pins (Teak wood beat) complete as per direction of Engineer -in-charge. |
| 36 | Item No.33)Borders (up to 150 mm. width) with two coats of Black Japan Paint |
| 37 | Electrical works Item No4)Supply and fixing of 20W LED Batten. Make: Havells. Model: LED PRIDE ESSENTIAL, complete with all accessories directly on wall/ ceiling by screws only. |
| 38 | Item No.35)Supply and fixing of 24W round LED recess mounted down lighter. Make: Havells. Model: INTEGRANEODLR24WLED857S complete with all accessories directly on wall/ceiling by screws only. |
| 39 | Item No.36)Supply and fixing of 36W LED for grid ceilingmounted down lighter. Make: Havells. Model: VENUSNEOHE2xPLR18-42WLED857MOD complete with LED DRIVER36V36WS & all accessories directly on wall/ceiling by screws only. |
| 40 | Item No.37)Distributionwiringin1.1KVgrade2x22/0.3 (1.5 sqmm) singlecore stranded "FR" PVC insulated &unsheathed copper wire(Brand approved by EIC) partly in 20mm size PVC rigid conduit "FR"(Precision make) [for horizontal run&above false ceiling portion only] and in19mm bore, 3mm thick polythene pipe [for vertical run embedded in wall],with 1x22/0.3 (1.5 sqmm) single core stranded "FR" PVC insulated& unsheathed copper wire forECC,tolight/fan/call bellpointswith Modular type switch(BrandapprovedbyEIC) fixed onModularGIswitchboardcomplete with 2 no. suitable size “Ph& N” copper barwithtop cover plate making earthing attachment fixed on wall incl. mending good damages to original finish. [PVC Rigid Conduit only for horizontal run & above false ceiling and vertical run concealed] (a) Av. Run 8 mtr. |
| 41 | Item No-38) Distribution Wiring in 1.1 KV grade 2x22/0.3 (1.5 sqmm)single core stranded "FR" PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20 mm size PVC rigid conduit (Precision make) with 1x22/0.3 (1.5 sqmm) single core stranded "FR" PVC insulated & unsheathed copper wire for ECC, incl. necy. fittings etc. with S & F 6A 5 pin Modular type plug socket and switch (Brand approved by EIC) fixed on 4 Module GI / PVC switch board with 3/4 Module top cover plate on wall incl. necy. connection making earthing attachment, painting and mending good damages to building works [PVC rigid conduit and plug box both on surface](a)On Board. |
| 42 | b) On seperate Board(Av . Run 6 mtr) |
| 43 | Item No-39) Wiring in1.1 KV grade single core stranded "FR" PVC insulated & unseathed copper wire ( Brand approved by EIC) of 2x2.5 sq mm + 1x1.5 sq mm sizes in 20mm PVC rigid conduit(Precision make) incl. Necy.fittings etc. |
| 44 | Item No-40)Wiring in1.1 KV grade single core stranded "FR" PVC insulated & unseathed copper wire ( Brand approved by EIC) of 2x4 sq mm + 1x2.5 sq mm sizes in 20mm PVC rigid conduit(Precision make) incl. Necy.fittings etc. |
| 45 | Item No-41)Supplying and fixing double door Vertical TPN MCB Distribution board for MCCB incomer with IP-42/43 protection, on angle iron frame on wall & mending good the damages to original finish incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing.(a) 4 way( make Havells/Legrand or similar as directed by EIC). |
| 46 | Item No-42) Supplying and fixing double door sheet steel (16SWG), powder coated cable end box for TPN DB horizontal / vertical enclosure with IP-42/43 protection, on angle iron frame on wall & mending good the damages to original finish with nuts bolts etc incl. provision for earthing attachmen |
| 47 | Item No.43 ) Supply & Fixing 240 V, 25A Modular type socket, 25 A, Modular type starter (Brand approved by EIC) with 25A Modular switch type DP MCB (C-Curve) and 6 Module GI Modular type switch board with 6 Module top cover plate flushed in wall incl. S&F switch board and cover plate and making necy. connections with PVC Cu wire and earth continuity wire etc. |
| 48 | Air conditioning -Item No.44 )Supplyof 1.5 TR capacity , HITACHI make split type ( 5 star ) inverter A.C. Machine( Model as directed by EIC) in the chamber of Housing Commissioner,WBHB at 2 nd floor of ABASAN building. |
| 49 | Item No.45 )Installation of A.C. Machine |
| 50 | Item No.46 ) Supplying and laying of Refrigerant pipe |
| 51 | Item No.47) Supplying and laying of electric Cable |
| 52 | Item No.48)Supplying and laying of Water/drainagepipe |
| 53 | Item No.49)Supply & fixing of MS bracket for A.C. Outdoor unit inclusive of all materials |
| 54 | GST @ 18%for all items upto row no. 65 |
| 55 | CESS@ 1%for all items upto row no. 66 |
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