Various repair and maintenance of Dankuni Coal Complex sub-station

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete.

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm.including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work)

(a) With earth obtained from excavation of foundation.

Filling in foundation or plinth by Midium coarse sand in layers not exceeding 150 mm. as directed and consolidating same by thorough saturation with water ramming complete, including the cost of supply of sand. (Payment to be made on measurement of finished quantity).

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

Cement concrete with graded stone ballast (40 mm size excluding shuttering).

In ground floor and foundation.(A) Pakur Variety.

(a) 6:3:1 proportion

i) In ground floor and foundation.

(A)Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm.nominalsize) excluding shuttering and reinforcement, if any, in ground floor as per relevant IS codes.

a) Pakur Variety.

i) In ground floor and foundation.

(B)Ordinary Cement concrete (mix 1:2:4) with graded stone chips (6mm nominal size) excluding shuttering and reinforcement,if any, in gound floor as per relevant IS codes. Pakur variety

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.

a) Pakur Variety

i) In ground floor and foundation.

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 .

(a) Steel shuttering or 9 to 12 mm thick approved quality ply board shuttering in any concrete work

i)Ground floor

(b) 25 mm to 30 mm shuttering without staging in foundation

(c)Hire and labour charges for shuttering for concrete work in overhead R.C. Reservoir on separate R.C. frame including fitting, fixing and striking off after compeltion of work including staging upto 4 m using ply board or steel shuttering.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups,binders etc. including supply of rods, initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bennding to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. Mild steel/ Tor steel JSW/JSPL/SHYAM/SRMB/BMASL/ELECTROSTEEL/SSL

i)Ground floor

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]

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.

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

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.

Extra rate for using water proofing and plasticising admixture @ 0.2% by weight of cement (or at manufacturer's specified rate) for concrete of various grades.

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. i) In ground 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.(a) upto 150 mm. thick i) In ground 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. i) In ground floor

Dismantling terraced roof in ground floor roof (including floor finish, if any.) taking out carefully tiles with beams, joists, tees or burgahs covering floor below, sorting and stacking sevicable materials at site 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

Brick work with 1st class bricks in cement mortar (1:6)

i) In foundation & plinth

ii) In super structure, ground floor

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

i)In superstructure, ground floor.

75 mm. thick brick work with 1st class bricks set in cement, sand mortar (1:4) in ground floor including H.B. netting in every alternate layers.

i)In superstructure, ground floor

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.

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).[Exxcluding cost of chipping over concrete surface.] (A) With 1:6 cement mortar (i)20 mm thick plaster

a)In ground floor

(ii)15 mm thick plaster

a)In ground floor

(B) With 1:4 cement mortar (i)10 mm thick plaster

a)In ground floor

Labour for Chipping of concrete surface before taking up Plastering work.

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

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. 3 mm. thick topping (High polishing grinding on this item is not permitted) with ordinary cement.Using grey cement. (a)35 mm. thick

i) In ground floor

Supplying and laying chequered tiles of any shade & of approved quality with (1:1½:3) cement concrete laid in panels or patterns as directed in pavement, footpath etc. including necessary underlay 25 mm thick [avg] cement mortar (1:3) complete in all respect with all labour and materials. [Using cement slurry @ 4.4 kg/Sq.m at back side and @2.4 kg/Sq.m for joint filling]. Red Variety. 25 mm thick

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.

i)In ground floor

Supplying fitting and fixing in position approved P.V.C. door frame(matt finish) made of extruded P.V.C. multichamber hollow section having dimensions 60mm x 50mm x2 mm. (+ - 0.2 mm), horizontal section will be joined with vertical section by galvanised steel screws after inserting two number steel brackets as reinforcement making suitable space for placing hinges, one steel tube 40mm x 20mm will be inserted on one full vertical side of the frame (hinge side) as reinforcement, the frame will then be fixed in the opening with the help of P.V.C. expandable fastner wooden gutties and galvanised steel screws including cost of all materials and labour, hire charges of tools and appliances, carriage of all materials taxes and all other incidental charges complete.

PVC Door Shutter - 30 mm thick. Supplying fitting and fixing P.V.C. door shutter of approved quality & shade in position, the style & rail of the P.V.C. door shutter will be made of rigid P.V.C. multicavity hollow chamber of 59 mm.x 30 mm. section with 2.0 mm.(+ - 0.2 mm) wall thickness.Horizontal & vertical section shall be fixed to each othe by self tapping screws and one solid polymeric/M.S. galvanised tubular L-shaped bracket 10 mm.X 200 mm. in each corner of the shutter frame for placing hinges. Polymer based multicavity hollow section of 120 mm. X 30 mm. with2.0 mm.(+ -0.2 mm.) wall thickness will be placed in the middle, reinforced by solid polymer bar of 200 mm. long at both ends and screws ftrom both sides as lock rail.the section frame will then be fitted in by PVC panels of size 100 mm.X 25 mm. with wall thickness 1.2 mm.(+ -0.2 mm.) and 2 nos. of 6 mm.bright rod will be inserted horizontally with both side check and nut system and streches where fixing of hinges /hasp bolt/tower bolt/door ring are required to be strong enough to with stand wear and tear.

The rate is inclusive of cost of all materials, labour, and hire of tools and plants and appliances.Carriage of all materials taxes and all other incidental charges complete.The rate is exclusive of cost of hinges, hasp bolt, tower bolt, door ring etc.

(i)Ground floor.

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: 100 x 63 x 3.2mm.

Supplying Aluminium casted body hydraulic door closer as per I.S.I.

Supplying 125 mm. Dia acrylic handle for aluminium door as per approved make & brand. Natural Colour

Supplying 4 lever mortice lock or any approved make and brand as per direction of the Engineer- in -Charge. i) 150 mm.

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.

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)

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.

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 rate includes cost of material, labour, scaffolding and all incidental charges but excluding the cost of primer.

Acrylic Emulsion.(Two Coat), Normal.

Applying Exterior grade Acrylic Primer of approved quality and brand on plastered or concretesurface old or new surface to receive decorative textured (mat finish) or smooth finish acrylic exterior Immersion paint including scrapping and preparing the surface thoroughly, complete as per manufacturer's specification and as per direction of E.I.C

One coat on new surface.

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

(b) Priming one coat on steel or other metal 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 super gloss (hi-gloss) -

Two coats (with any shade except white)

(b) On steel or other metal surface :

With super gloss (hi-gloss) -

Two coats (with any shade except white)

Applying Interior grade Acrylic Primer of approved quality and brand on plastered or concrete surface old or new surface to receive distemper / acrylic emulsion paint including scrapping and preparing the surface thoroughly, complete as per manufacturer's specification and as per direction of E.I.C One coat. i) Water based interior grade Acrylic Primer

Applying Acrylic emulsion paint of approved make and brand on walls and ceiling including sand papering in intermidiate course including putty (two coats). Standard Quality.

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

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.

Supplying fitting & fixing UPVC Pipes A type and fitttings conforming to IS 13592-1992 with all necessary clamps, nails including making holes in walls, floors etc cutting trenches in any soil through masonary concrete structures etc, if necessary, and mending good damages including joining with jointing materials (Spun yarn, valamoid / bitumen/ M-Seal, etc.) complete.

A.) UPVC Pipes

B) Plain Tee (UPVC), 110mm dia.

C) UPVC Shoe, 110mm dia.

D) Bend 87.5 degree, 110 mm dia.

E) Plain Y , 110 mm. Dia.

Supplying approved quality best Indian sheet glass panes set in putty and fitted and fixed with nails and putty complete. 3mm thick (weighing 7.4 Kg/ sqm).

Extra for fixing glass panes in steel window.

Supplying best Indian figured glass viz. hammered, fluted, ribbed, pinhead etc. type including cutting to required sizes, setting on putty bases and fitted and fixed with nails and putty complete.(In all floors for internal wall & upto 6 m height for external wall)

3 mm thick (White)

Supplying and fixing G.I. pipes of TATA make with all necessary accessories specials viz. socket, bend, union, cross, elbow nipple , long screw, reducing socket, reducing tee , short pieces , etc. fitted with holder bats , clamps including cutting pieces making threads fitting , fixing, etc. complete in all respect including cost of all necessary fitting 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 measurement of total pipe line including all specials.

i) 40mm dia medium quality.

ii) 32mm dia medium quality.

iii) 25 mm dia medium quality.

iv) 20 mm dia medium quality.

v) 15 mm dia medium quality.

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

a) 40 mm. dia.

b) 25 mm. dia.

Supplying, fitting and fixing bib cock or stop cock.

a) Chromium plated concealed Stop cock [Equivalent to Code No.514(A) & Model - Tropical/Sumthing of ESSCO or similar brand]

b) Chromium plated Angular Stop cock with wall flange [Equivalent to Code No.5053& Model - Florentine of JAQUAR or similar brand]

c).Chromium plated Bib Cock Short body [Equivalent to Code No.511 & Model - Tropical/Sumthing special of ESSCO or similar brand]

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).

Supplying, fitting and fixing 10 litre P.V.C. low-down cistern conforming to I.S. specificatioons with P.V.C. fittings completre, C.i. brackets including two coats of painting to bracket etc.

550 mm X 400 mm.

Supplying, fitting and fixing stainless steel sink complete with waste fittings and two coats of painting of CI brackets.

530 mm. X 430 mm. X 180 mm.

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

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. 750 mm long

Supplying, fitting and fixing towel rail with two brackets.

25 mm. dia. and 450 mm. long.

Supplying, fitting and fixing porcelain soap tray of approved make.Recessed soap tray of size 150 mm. X 150 mm.

Supplying,fitting and fixing approved brand 32 mm dia.P.V.C. waste pipe, with PVC coupling at one end fitted with necessary clamps. 600 mm long

Supplying, fitting and fixing Flat back urinal (half stall urinal) in whitevitreous chinaware of approved make in position with brass screws on 75mm X 75 mm X 75 mm wooden blocks complete. 470 mm X 280 mm X 340 mm

Supplying, fitting and fixing bevelled edged mirror 5.5 mm thick silver red as per I.S. 3438 / 1965 together with brass C.P. hinges. (i) 450 mm X 300 mm

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

Supplying,fitting and fixing 32 mm dia. Flush Pipe of approved make with necessary fixing materials and clamps complete. i) Polythene Flush Pipe

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) black

Supplying, fitting and fixing approved patent vent cowl I.C.I. conforming to I.S.S. and painting two coats to the exposed surface with approved paint complete. (Payment of Painting will however be paid seperately).

100 mm. dia.

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).

Removing sludge from septic tank, soak well etc. by methor labour including disposal of the same outside the compound as directed. Upto 30 users:- (i) Within a lead of 150 metre

MS work in cable trench, cover slab, chaquered plate, clamp, cleats, brackets, etc. made from flat angle channel, tees, chequered plates 6mm thick, etc including necessary cuting to size fabricating, drilling of holes, forgeing, welding, revating, tightening with bolts and nuts with necessary washers including errection, fitting and fixing in position with all labour and materials, complete as per drawing and direction.

Clearing compound premises from shurbs, plants, jungles, etc. by cutting and removing as directed.

Supply fitting fixing CI grating (Heavy type). Upto 100 mm dia.