Urgent Repair and Renovation Work of A Block Gr. D Quarter of North Bengal Medical College and Hospital in the district of Darjeeling. Civil Work EE/NBD/SS/NIT/40/25-26

Clearing compound premises of shurbs, plants, jungles etc. by cutting and removing as directed (Specific permission of Engineer-in-Charge prior to execution will be necessary). (Payment to be made on area cleared)

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.

Removing old scales, blisters etc. of interior surface of walls,ceiling by scraping etc. and preparing smooth and even surface with rendering or cement mortar (1:2) (as necessary), to make the surface suitable for receiving distemper. (Payment against this item will be made only when this has been done on the specific direction of the Engineer-in-charge).

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]

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.

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. a) In ground floor including roof.

In 1st floor

In 2nd floor

In 3rd floor

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.

In 1st floor

In 2nd floor

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) (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. (a) In ground floor including roof.

In 1st floor

In 2nd 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)

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 In ground floor

In 1st floor

In 2nd floor

In 3rd floor

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,basement and upto roof of ground floor/upto 4 m (i) Tor steel/Mild Steel iii) Other Manufacturer not specified, In ground floor

In 1st floor

In 2nd floor

Supplying and application of chemical for post Installed rebar connection by using ETA approved for seismic criteria In rebar connection, Including drilling 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 and accepted design guidelines and the design document to be furnished by the manufacturer. The chemical should have ETA approval for seIsmIc criteria of rebar fixing whIch should be furnished by manufacturer. The installation 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. 1)This rate Is excluding the cost of scaffolding. 2)Thls work should not be excuted without specific permission of be executed in the presence oj officer not below the rank 0/ 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 RCC structural members through rebar fixing chemical Item without breaking beam, coloumn, roof slab, lintel, cellina etc. i) Cost of post installed rebaring application with chemical as speclfled for 8 mmdia per cm of depth.

Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m a) In ground floor including roof.

In 1st floor

In 2nd floor

Brick work with 1st class bricks in cement mortar (1:4) (a) In foundation and plinth

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 In ground floor

In 1st floor

In 2nd floor

In 3rd floor

(c) 15 mm thick plaster (External Plaster In ground floor

In 1st floor

In 2nd floor

In 3rd floor

(ii) With 1:4 cement mortar (c) 10 mm thick plaster In ground floor

In 1st floor

In 2nd floor

In 3rd floor

White washing including cleaning and smoothening surface thoroughly. (b) Two coats (to be done on specific instruction).

(a) 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 [Cement to be supplied by the Department]

Colour washing with any shade with Stainers, as required including cleaning and smoothening surface thoroughly : (i) Internal surface (All floors) (b) Two coats yellow, pink

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

Applying Exterior grade Acrylic primer of approved quality and brand on plastered or cencrete surface old or new surface to receive decorative textured (matt finish) or smooth finish acrylic exterior 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:

In 1st floor

In 2nd floor

In 3rd floor

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. In ground floor

In 1st floor

In 2nd floor

In 3rd floor

Supplying, fitting and fixing Marble Slab/tile of 15 to 18 mm thickness in floor, lobby, stair, landing & treads etc. over 20 mm (av.) thck base of Cement mortar (1:2) laid with white cement slurry @ 4.4 kg/Sq.m before placing marble & jointed with white cement slurry @ 2.0 kg/Sq.m with necessary pigments including grinding and Granite polishing as per direction of Engineering -in -Charge in Ground Floor. {White cement and Pigment to be supplied by the Agency] (a) With Makrana plain pink / Adranga Pink / Garbh Gulabi / Udaypur pink / Udaypur Green / Black Bhaslana (iii) Area of each Slab/tile exceeding 0.60 sq.m but not exceeding 1.00 sq.m In ground floor

In 1st floor

In 2nd floor

18 mm. to 22 mm. thick, kota stone slab set in 20 mm thick (avg) cement mortar (1:4) in floor, stair & lobby including pointing in cement slurry with admixture of pigment matching the stone shade, including grinding & polishing as per direction of Engineer - in - charge to match with the existing work. [Slurry for bedding @ 4.4 kg/Sq.m and pointing @2.0 kg/Sq.m] In ground floor

In 1st floor

In 2nd floor

In 3rd floor

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. (A) Floor With Sand Cement Mortar (1:4) 20 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, In ground floor

In 1st floor

In 2nd floor

(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 In ground floor

In 1st floor

In 2nd 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). (c) Sal : Local. In ground floor

In 1st floor

In 2nd floor

Panel shutters of door and window, as per design (each panel consisting of single plank without joint), including fitting and fixing the same in position but excluding the cost of hinge and other fittings. In ground floor. (In case of non-supply of single plank, penal rate of reduction of 20% will be made) (b) Sishu, Gamar, Champ,Badam,Bhola, Mogra, Hallak

Labour for taking out door and window frame including shutter for repair or replacement of different parts of the frame & refixing the same including mending good all damaes complete. (Concrete and brick work for mending damage will be paid separately) (a) Upto area 2.5 Sq.m

Taking out shutter of door and window, dismantling by parts (for repair or replacement of damaged parts), reassembling and refitting and rehanging same with old fittings but with new screws as necessary. (Where different parts of same shutter are renewed under different item, payment under item 73 will be made once only).

Shutters of 2/3rd panel and 1/3rd glazed of doors and windows as per design (each panel consisting of a single plank without joint and with or

Taking out M.S. or W.I. Grills from wooden frame including cutting lugs from masonry wall and refitting the same and mending good damages after repairs. (Excluding the cost of necessary repair of damages) or doing any other necessary works.

Panel (made of single plank) of door and window shutters to design as directed: In Ground Floor (Payment to be made on area of exposed new work). (In case of non-supply of single plank penal rate of reduction to a maximum of 30% will be made). (ii) 19 mm thick panel of 30cm to 45cm width (b) Sishu, Gamar, Champ,Badam,Bhola, Mogra, Hallak.

(i) 12mm thick panel of 30cm to 45cm width

Item Number 94

(ii) 25mm Thick shutter.

Iron butt hinges of approved quality fitted and fixed with steel screws, with ISI mark (vii) 100mm. X 58mm. X 1.90mm.

Anodised aluminium barrel / tower / socket bolt (full covered) of approved manufactured from extruded section conforming to I.S. 204/74 fitted and fixed with cadmium plated screws: (iv) 150mm long x 10mm 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

Supplying 1.5mm thick M.S. sheet fitted and fixed on one or both faces of M.S./ W.I. gate etc. with point welding at not more than 150mm apart complete in all respect as per design including cost of all labour and materials.

(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.

(b) Priming one coat on timber or plastered surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc.

Item Number 156

(b) On steel or other metal surface : With super gloss (hi-gloss) (iv) Two coats (with any shade except white)

Supplying best Indian sheet glass panes set in putty and fitted and fixed with nails and putty complete. (In all floors for internal wall & upto 6 m height for external wall) (i) 3 mm thick (weighing 7.4 kg/Sq.m)

Metre

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. I) For structural members of specified sections weighing less than 22.5 Kg./m , Upto 8 mtr

Above 8 mtr.

Supplying, fitting and fixing single skin colour coated tr

apezoidal profile for wall cladding. Roof shall be made of 0.45 mm BMT (Base Material Thickness) (0.50 mm TCT (Total coated thickness excluding paint), G550 (min 550 yield strength), of Zincalume metalic coating (ISI 5965) with high solar reflectance index (SRI) value for better cooling as per thermatch technology, 1000 - 1015 mm effective cover width with five major corrugation, 28 mm high rib spaced at 203 mm c/c with subtle square fluting in the pan and the end rib shall have anti-capillery groove and return leg. The steel sheet shall be fastened with 40 micron zinc coated or 25 micron zinc - tin alloy coated, hex head self - drilling screw as per IS 3566 - 2002 class 3 fastener. The base steel shall be coated with zinc - alluminium alloy zincalume (AZ150) (i.e. 55% Al, 43.4 % Zinc, 1.6% Si) minimum of 150 g/m2 coating total on both sides, pre -painted with colourbond XRW (exterior roofing, walling) paint system of 15 micron Super Durable Polyster paint (SDP) with stable inorganic treatment with no lead contents confirming ISI 15965. The sheet shall be free from defects and have brand marking of the manufacturer giving product details on the back of the sheet at regular interval confirming genuinity of the material. (i) In Roof:- a) With 0.5 mm thick sheet

Taking out rain water down pipes, removing chokages and refixing the same in position including mending good damages (of taking out and refixing)

Roof treatment by application of non toxic polyurethane modified acrylic based single component (P U Roof Coat) solvent free, cold applied polyurethane modified elastomeric waterproofing membrane with excellant UV resistant capasity as per ASTM D6083fa water based 100% acrylic elastomeric emulsion polymer latex coating .,.. used as protective coating for roofs} after preparing the surface by cleaning and ti repairing the roof cracks by cement & sand mortar (1:4), preferably with :i!: antishrinkage mortar (to be paid separately) if any, apply two coats along with a 5 ~ IPrimingcoat(two coats of P U Roof Coat and one coat of primer coat compatible with Sqm.i main product as per manufacturers specification) and reinforced with or without 20 ~ gsm GeotextileFleece, including the cost of primer coat and basepreparation, tools & IPlantsbut excluding the cost of scaffolding and stagging complete as per direction of Engineer -in-charge. (Note: If Geotextile Fleece not uesd ,the rate would be reduced by Rs. 5/-per Sqm)

Dismantling carefully terraced floor only (including floor finish if any) or lime terracing in ground floor roof and removing rubbish as directed within a lead of 75 m. (a) In Ground Floor including roof.

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

In 1st floor

In 2nd floor

Labour for taking out steel door and window frame for repairs and re-fixing the same (or replacement by new one) including mending good damages (excluding the cost of repair of damages) and applying a protective coat of paint. Upto one sq.m.area of frame

Supplying, fitting and fixing windows and ventilators with or without integrated grills conforming to IS 1038-1975 and manufactured from rolled steel sections conforming to IS 7452-1974 with non-friction projecting type, box type hinges, glazing clips, lugs locking bracket, handle plate etc, including hoisting in position, straightening if required, fixing lugs in cement concrete ( 1:2:4) with stone chips 20 mm down cutting holes and mending good damages to match with existing surface complete in all respect excluding glazing. (b) Openable steel windows as per IS sizes with side hung shutters and horizotal glazing bars. [The extra rate admissible for the openable portion only] In ground floor

(C) (iv) Two point nose steel handle including fitting and fixing.

Applying epoxy mortar ( 10 mm nominal thick) over leached, honey combed and spalled concrete surface and exposed steel reinforcement complete as per Technical specification

Guniting concrete surface with cement mortar (25 mm nominal thick) applied with compressor after cleaning surface and spraying with epoxy complete as per Technical specification

Sealing of crack / porous concrete with Epoxy Grout by injection through nipples complete as per clause 2803.1.

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

metre

(B) Fittings x) Bend 87.5º (c) 160 mm

(ii) Plain Tee (c) 160 mm

xxviii) Reducing Tee (160 X 110 mm) 75 mm

(iii) Door Tee (c) 160 mm

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)

Refixing G.I. pipe with fittings after cleaning where necessary. (i) 15 mm

(iii) 25 mm

Supplying, fitting and fixing stainless steel sink complete with waste fittings and two coats of painting of C.I. brackets. (a) Sink only (ii) 630 mm X 550 mm X 180 mm

Making connection with the existing pit.

Cleaning silt of inspection pit.

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 approved brand P.V.C. CONNECTOR white flexible, with both ends coupling with heavy brass C.P. nut, 15 mm dia (iii) 600 mm long

Supplying,fitting and fixing approved brand 32 mm dia.P.V.C. waste pipe, with PVC coupling at one end fitted with necessary clamps. (ii) 750 mm long

Supplying, fitting and fixing gunmetal wheel valve of approved brand and make tested to 21 kg per sq. cm. (for water lines only). (vi) 32 mm dia

Supplying, fitting and fixing bib cock or stop cock. (c) (i) Chromium plated Bib Cock (angular shape with wall flange) (Equivalent to Code No. 5037 & Model - Florentine of Jaquar or similar brand).

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

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 32 mm

(Q) Ball Valve 25 mm

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 size 550 mm X 400 mm

Supplying, fitting and fixing towel rail with two brackets. (a) C.P. over brass, (iii) 25 mm dia. and 750 mm long

Supplying, fitting and fixing liquid soap container. (a) Cromium plated.

Supplying, fitting and fixing soap holder. (a) PTMT (Prayag or equivalent)

Supplying, fitting and fixing bathroom shelf of approved make of size 580 mm X 150 mm (porcelain).

Supplying, fitting and fixing shower of approved brand and make. (a) (i) Chromium plated round shower with revolving joint 100 mm dia with rubid cleaning system (Equivalent to Code No. 542(N) & Model - Tropical / Sumthing Special of ESSCO or similar brand).

(f) Hand Shower(Health Faucet) with 1mtr Fexible Tube with Wall Hook(Equivalent to Code No.573 & Model -ALLIED of Jaquar or similar).

Labour for hoisting plastic water storage tank. (ii) Above 1500 litre upto 5000 litre capacity. (a) Upto 2nd story from G.L.

Labour for punching hole in plastic water storage tank upto 50 mm dia.

Construction of septic tank of different capacities as per approved drawing with 1st class brick work in cement mortar (1:4) including two 560 mm dia. R.C.C. manhole cover(heavy type)of approved make supplied, fitted and fixed in the 100mm thick R.C.C (1:1.5:3) top slab with necessary fittings, 20mm thick cement plaster (4 : 1) with neat cement finish to the internal surfaces and 15 mm thick cement plaster (4 : 1) to outside wall upto 200 mm below G.L floor finished with 25 mm thick grey artificial stone over 100 mm thick R.C.C(1:1.5:3) bottom slab including supplying, fitting and fixing all necessry specials, fittings, S.W. tees, C.I. foot rest etc. including excavation earth in all sorts of soil, shoring, bailing out and pumping out water as necessary, ramming, dressing the bed and fefilling the sides of the tanks with earth, removing spoils, filling up the chamber with clear water, removing foreign materials from the chamber and including constructing attached inspection pit as per approved drawing and connecting all necessary pipes, joints etc. with internal plaster work and artificial stone flooring is to be done with admixture of water proofing compound @ 0.5% by weight of cement with all costs of labour and materials Note:- (i) Finished level of Septic Tank should be 400 mm. from Ground Level. (ii) Height of 50 mm. Ventilation pipe &Mosquito proof mesh, should be follwed as per IS:2470,PartI.Payment will be made separetly on the basis of actual height based on relevant I.S.Code. (iii) For 50 users With Pakur variety. Other Manufacturer not specified

GST @ 18% of Estimated cost

Labour Wellfare Cess @1% of Estimated cost with GST