Renovation of control room building and switchyard at Mondalgathi 33/11 KV sub-station

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.

Dismantling all types of masonry excepting cement concrete plain of reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. In 2nd floor.

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 2nd 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. In 2nd floor.

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)

Stripping off worn out plaster and raking out joints of walls, celings etc. upto any height and in any floor including removing rubbish and stacking anywhere within the compound 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).

Scraping of moss, blisters etc.thoroughly from exterior surface of walls necessitating the use of scraper, wire brush etc.(Payment against this item will be made only when this has been done on the specific direction of the Engineer-in-charge)

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.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

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. Consider a distance of 10 Km from sealdah railway station.

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. Pakur variety. Consider a distance of 10 Km from sealdah railway station. In ground floor and foundation.

Cement concrete with graded stone ballast (40mm size excluding shuttering). In ground floor. Pakur variety. 1:3:6 proportion.

Hire and labour charges for shuttering with centreing 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, columns, lintels curved or straight including fitting, fixing and striking out after completion of works. (upto roof of ground floor)a) 25mm to 30mm thick shuttering without staging in foundation.

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

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. SRMB/SHYAM/ELEGANT/ELECTROSTEEL

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints or rougening of concrete surface, including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor). [Excluding cost of chipping over concrete surface]. With 1:6 cement mortar.

(c) 15 mm thick plaster

ii) 20 mm. thick plaster

iii) 10 mm thick plaster with (1:4) cement mortar.

Neat cement punning about 1.5 mm. thick in wall, dado, window, sills, floor, drain etc.

Applying Inerior grade Acrylic Primer of approved quality and brand on plaster or concrete 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. One coat. Water based interior grade Acrylic Primer. In Ground Floor.

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: Standard Quuality.

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

Applying exterior grade Acrylic Primer of approved quality and brand on plastered or concrete surface old or new surface to receive decorative texture (matt finish) or smooth finish Acrylic exterior emulsion paint including scrapping and preparing the surface thoroughly, complete as per manufacturer’s specification and as per direction of the EI. Water based interior grade Acrylic Primer. One coat. In ground floor.

Protective and decorative Acrylic exterior emulsion paint of approved quality, as per manufacturer's specification and as per direction of EIC to be applied over acrylic primer as required. The rates includes cost of materials labour, scaffolding and all incidental charges but excluding the cost of primer. (Two coats). Premium Acrylic Emulsion. In ground floor.

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

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).

b) Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surface by sand papering etc.

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). Two coats (with any shade except white).

(A) Wood work in posts, post plates, rafters, battens, truss members, purlins etc. fitted and fixed complete (excluding the cost of bolts, paints, but including the cost of nails, screws etc.) (The quantum should be corrected upto three decimals)(ii) Sal : Local.

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 bubble free float glass of approved make and brand conforming to IS: 2835-1987. 6mm thick clear glass.

Supplying heavy duty hydraulic double action floor spring along with top pin/set of pivots conforming to IS: 6315 or any approved make as per direction of Engineer in charge.

Supplying best Indian sheet glass panes set in putty and fitted and fixed with nails and putty complete. 4 mm thick.

Renewing worn out putty of glass panes :(a) Panes not exceeding 0.2 Sq.m

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

(a) M.S.or W.I. Ornamental grill of approved design joints continuously welded with M.S, W.I. Flats and bars of windows, railing etc. fitted and fixed with necessary screws and lugs in ground floor.(i) Grill weighing above 10 Kg./sq.mtr and up to 16 Kg./sq. mtr.

Labour charge for fabrication and installation of composite door, window, partitions made from annodized extruded alloy aluminium sections for the following units:-(B) Partly glazed partly panelled or fully glazed single leaf alunminium swing door made of extruded and annodized alloy aluminium sections, fabrication including cutting to proper shape and size, drilling and aligning, fitted with heavy duty hydraulic action floor sping placed in the floor with mending damages,with top pin assembly of approve make and brand, fitted with in built locking arrangement, flush bolt, glazing clips and all other necessary fittings, fixtures, adhesives and joineries, cutting glass of approved make to requisite shape and size fitting with dry set neoprene or EPDM gasketing, cutting to requisite shape and size panel board (prelaminated particle block) fixing them with glazing clips as per drawing, specification and direction of Engineer in charge.

Supplying profiles of required section made of alluminium alloy extrusions conforming to IS: 733/1983 and IS: 1285/1975; anodized (with required film thickness and specified colour/ natural) matt finished conforming to IS: 1868/1983 for fabrication of composite door, sliding and casement windows, partitions, formed of basic sections of any ISI embossed / certified make and brand as per direction of Engineer-in-Charge. In 10 to 12 micron thickness anodizing film. Natural white.

k) Movable door shutter i) Door frame. (Top & sides)

ii) Shutter :

Top rail.

Bottom rail.

Lock rail

Door vertical.

Glazing cleap.

(v) Two point nose aluminium handle including fitting and fixing.

(vi) steel peg stay 300 mm long including fitting and fixing.

Hydraulic door closer of approved quality as per I.S.I. standard fitted and fixed complete. Medium (I.S.I. size 2)

Annodised aluminium barrel/Tower/socket bolt(full covered) of approved quality manufactured fron extruded section conforming to I.S specification(I.S. 204/74)fitted & fixed With cadmium plated screws(iv).150mm.long x 10mm. Dia Bolt

Annodised aluminium D-type handle of approved quality manufactured fron extruded section conforming to I.S specification(I.S. 230/72)fitted & fixed With continous plate base Hexagonal /Round rod.(v) 125 mm grip x 12 mm dia rod.

Anodised aluminium butt hinges of approved quality manufactured from extruded section conforming to I.S. specification (I.S. 205/66) and fitted and fixed with cadmium plated screws:(v) 100 x 63 x 3.2mm

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.

(ix) 300mm long x 10mm dia. bolt.

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 and 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. 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 @ 0.20 kg/Sq.m. Area of each tile upto 0.09 Sq.m. Colour decorative.

M.S structural works in columns, beams etc. with simple rolled structural members (e.g, joists, angles, channel sections) conforming to IS 226, IS 808 & SP (6) 1964 connected to one another with bracket, gusset, cleats as per direction of Engineer-in-charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS 816 1956 & IS 9595 using electrodes of approved make and brand conforming to IS 814 1957, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hires charges of all tools and plants and labour required for the work including all incidental charges, labour insurance charges etc. For structural members of specified section weighing less than 22.5 Kg/m.

Supplying delivery & spreading approved quality double washed black stone completely free from weathered and dead materials (the item includes transport charge, loading unloading & stacking to complete). 37.5 mm size pakur variety. Consider a distance of 10 Km from Sealdah railway station.

(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].

(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)

Supply, fitting and fixing bib cock or stop cock. i) Chromium plated Bib Cock short body (Equivalent to Code No. 511 & Model – Tropical/ Sumthing Special of ESSCO or similar brand).

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

Supplying, fitting and fixing pillar cock of approved make. a) CP Pillar Cock - 15 mm. (Equivalent to Code No. 507 & Model - Tropical / Sumthing Special of ESSCO or similar brand).

Supplying, fitting & fixing 32mm dia flush pipe of approved make with necessary fixing materials and clamps complete. Polythene flush pipe

Supplying, fitting & fixing approved brand PVC connector white flexible with both end coupling with heavy brass CP nut 15 mm dia. 450mm long.

Supplying fitting and fixing approved brand 32mm dia PVC waste pipe with PVC coupling at one end fitted with necessary clamps. 900 mm long

Supplying, fitting & fixing 10 litre PVC lowdown cistern conforming to IS: specification with PVC fittings complete with C.I. brackets including two coats of painting to bracket etc.

A) Supplying & laying of approved brand of scratch proof, semi flexible P.V.C. blended homogeneous marble Vinyle flooring in tiles conforming to IS:3461, fixing with synthetic acrylic adhesive after preparing the floor, levelling & smothaning when necessary with suitable putty, as per the design & instruction of the Engineer-in-charge. 2 mm thick

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