Repair and Maintenance of Switch yard Cable trench,Pathway,equipment foundation and Control Room Buildingat Beraberia 33/11KV Sub-Station ,Dist Purba MedinipurMedinipur”-Earthwork in excavation of foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite or sand stone) including removing spreading or stacking the spoils with a lead of 75 mtr as directed. The item includes necessary trimming the sides of trenches leveling dressing and ramming the bottom, bailing out water as required complete. 2 Depth of excavation not exceeding 1500 mm. 3 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 will be made on basis of measurement of finished quantity of work). 4 With earth obtained from excavation of foundation. 5 Filling in foundation or plinth by silver sand in layers not exceeding 150mm. as directed and consolidating the same by through saturation with water ramming complete including the cost of supply of sand. ( Payment to be made on measurement of finished quantity.) 6 Supplying and laying Polythene Sheet (150 gm / sq.m) over damp proof course or below flooring or roofterracing or in foundation or in foundation trenches. 7 Single brick flat soling of picked jhama bricks including removing & dressing bed to proper level & filling joints with powered earth or local sand. 8 Cement concrete with graded stone balast (40mm.size) excluding shuttering (6:3:1) proportion in ground floor and foundation. 9 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. 10 (a) Pakur Variety. 11 Ordinary cement concrete (Mix-3:1.5:1) M-20 with graded stone chips (20mm down) excluding shuttering and reinforcement if any in ground floor. 12 (With Pakur/ Chandil Variety). 13 Hire and labour charges for shuttering with centering and necessary staging up to 4mtr.using stout props and thick hard wood planks of 25 to 30mm. Thick with required bracing for concrete slabs, beams, columns, lintels, curved or straight including fitting and fixing and striking out after completionof work (uptoroof of ground floor) 14 (a) 25 mm. to 30 mm. thick wooden shutteringwith staging as per decision & direction of Engineer-In-Charge. 15 25mm to 30mm thick shuttering without staging in foundation etc. 16 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, cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every inter section complete as per drawing and direction. 17 For works in foundation, basement and up to roof of ground floor Tor steel/Mild Steel. SAIL/TATA 18 Brick work with 1st class bricks in cement mortar (4:1).In foundation and plinth. 19 125 mm thick Brick work with 1st class bricks in cement mortar (4:1) in ground floor. 20 (a) G.I. Ornamental grill of approved design joints continuously welded with G.I. Flats and bas for windows, railing etc. fitted and fixed with necessary screws and lugs in ground floor. 21 i) Grill weighing above 10 kg/ sq.mtr. and upto 16 kg./sq.mtr. 22 Supplying 1.5 mm. 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 150 mm. apart complete in all respect as per design including cost of all labour and materials. 23 Supplying, fitting and fixing windows and ventilators with or without integrated grills conforming to I.S. - 1038-1975 and manufactured from rolled steel sections conforming to I.S.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. 24 (a) Fixed type steel windows as per I.S. sizes with horizontal glazing bars. 25 (b) Openable steel windows as per I.S. sizes with side hung shutters and horizontal glazing bars with / without fixed type ventilators [The extra rate admissible for the openable portion only.] 26 (v) Two point nose aluminium handle including fitting and fixing 27 (vii) Aluminium peg stay 300 mm. long including fitting and fixing 28 (viii) M.S. integrated grill as per approved design integrated with steel window or ventilator, joints continuously welded with M.S. flats and bars. 29 Supplying best Indian glass panes set in putty, fitted and fixed with nails and putty complete in all floors, 4mm. Thick (weighing 704 kg/Sqm.) 30 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.] 31 A) Extra cost of labour for prefinished and premoulded Nosing to treads of steps, railing, window sill etc. of Kota Stone. 32 B) Extra cost of labour for grinding Kota Stone Floor in treads and riser of Steps. 33 Supplying, fitting and fixing 18 to 22 mm. thick kota stone slab in wall, dado in 15 mm thick [avg] cement mortar (1:3) including making suitable arrangement to hold the stone properly by brass / copper hooks including pointing in cement mortar (1:2) (1 cement: 2 marble dust) with admixture of pigments matching the stone shade, including grinding and polishing all complete as per direction of Engineer-In-Charge including cost of materials, labour scaffolding, staging, curing complete.[Using cement slurry for bedding @ 4.4 kg/ Sq.m. and for jointing @ 1.8 Kg/ Sq.m.] 34 Supplying, fitting andfixing Marble Slab / tile of 15 to 18 mm. thickness in floor, lobby, stair, landing & treads etc. over 20 mm. (av) thick base of Cement mortar (1:2) laid with white cement slurry @ 4.4 Kg / Sq.m. before placing marble & jonted with white cement slurry @ 2.0 Kg/ Sq.m. with necessary pigmentsincluding grinding and Granite polishing as per direction of Engineer-In-Charge. In Ground Floor. {White cement and Pigment to be supplied by the Agency} 35 (a) With Makranaplain pink / Adranga pink / Garbh Gulabi / Udaypur pink / Udaypur Green / Black Bhaslana. 36 (i) Area of each slab / tile exceeding 0.3 sq.m. but not exceeding 0.6 sq. m. 37 Supplying fitting andfixing 15 to 18 mm. thick Marble Slab/ Tile in riser of step or skirting (upto 300 mm. ht.) over 15 mm. (avg.) thick base of Cement mortar (1:2) laid with white cement slurry @ 4.4 kg/ Sq.m. at back side of marble and jointed with white cement slurry @ 2.2 kg / sq.m. with necessary pigments including grinding and Granite Polishing. [White cement and Pigment to be supplied by the Agency] 38 (a) With Makranaplain pink / Adranga pink / Garbh Gulabi / Udaypur pink / Udaypur Green / Black Bhaslana. 39 (i) Area of each slab / tile upto 0.3 sq.m. 40 Supplying, fitting &fixing 1st quality Ceramic tilesin walls and floorsto match with the existing work & 4 nos. of key stones (10 mm) fixed with araldite at the back of each tile & finishing the joints with white cement mixed with colouring oxide if required to match colour of tiles including roughening of concrete surface, if necessary or by synthetic adhesive & grout materials etc. 41 (B) Wall 42 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. 43 (a) Area of each tile upto 0.09 Sq.m. 44 (i) Coloured decorative 45 Supplying, fitting & fixing acid resistant tiles 10 mm thick infloor,columns, wall, facia etc. with cement mortar (1:3) including making suitable arrangements to hold the stones properly by brass/copper hooks including pointing in cement mortar (1:2), (1 White Cement & 2 Stone dust with admixture of pigment matching the stone shades all complete as per direction of Engineer-in-charge including cost of all materials, labours, scaffolding, staging & curing complete. Areas of each slab/tiles upto 0.1 m2. 46 Plaster ( to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed andracking out joints or roughening of concrete surface includingthroating, nosing and drip course where necessary (G.F.) with (4:1) cement mortar.15mm thick. 47 Neat cementpunning about 1.5 mm thick in wall, dado, window seal, floor, drain etc. 48 Renewing plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and racking out joints or roughening of concrete surface including throating, nosing and drip course were necessary. 49 i) 15mm thick with cement mortar (1:4) 50 ii) 20mm thick with cement mortar (1:6) 51 iii) 10mm thick with cement mortar (1:4) 52 OrdinaryCementconcrete (mix1:1.5:3) with graded stone chips (6mm nominal size) excluding shuttering and reinforcement,if any, in gound floor as per relevant IS codes.Pakur variety. 53 Extra rate for using water proofingand plasticising admixture @ 0.2 % weight of cement (or at manufacturersspecified rate) for concrete of various grades. 54 G.I. works in brackets made from flats, angles, tees etc. to sizes specially bent, twisted, forged, making holes drilled and fitted to rafter to trusses with necessary bolts, nuts, washers, or screws etc. (length of straight not less than 230 mm.) 55 Rendering the Surface of walls and ceiling with White Cement base WATER PROOF wall putty of approved make & brand.(1.5 mm thick) 56 In ground floor 57 In 1st Floor 58 Painting with acid resistant paint of approved quality as per manufacture’s specification and as per direction of Engineer-in-charge to be applied over a coat of cement based primer required. The rate includes the cost of all materials, labours, scaffolding & other incidental charges but excluding the cost of one coat of cement primer required for new cement plastered surface. 59 Two coats. 60 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 scraping and preparing the surface throughly, complete as per manufacturers specification and as per direction of the EIC. (In Ground floor.) 61 (a) One Coat 62 (i) Solvent based interior grade Acrylic Primer. 63 Applying Interior 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) : 64 (Two Coats) 65 (i) Standard Quality 66 Applying Exterior grade Acrylic primer of approved quality and brand on plastered or concrete 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 manufacturers specification and as per direction of the EIC. 67 One Coat 68 a) InG.floor. 69 b) F.Floor 70 Protective and decorative Acrylic exterior emulsion paint of approved quality, as per manufacturers 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. 71 Premium 100 % Acrylic Emulsion. 72 a)In Ground floor (Two Coats) 73 b) In F. floor. 74 a) Priming one coat on timber or plastered surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. 75 b.) Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothing 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) 76 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. 77 a. On timber or plastered surface with super gloss (hi-gloss).–2 coats (with any shade except white). 78 b. On steel or other metal surface with super gloss (hi gloss) –2coats (with any shade except white). 79 Renewing 125 mm long wooden buffer block.Sal: Malayasian 80 Renewing hinged cleat (Sal) with old hinge and new screws:(ii) Sal : Malayasian 81 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. 82 (a) In ground floor including roof. 83 (a)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 75mtr. 84 In ground floor including roof. 85 (b)Dismantling all type of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75m. 86 In ground floor including roof. 87 Upto 150mm thick. 88 (c)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. 89 In ground floor including roof. 90 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. 91 Collapsible gate with 40 mm X 40 mm X 6 mm tee as top and bottom guide rail 20 mm X 10 mm X 2 mm vertical channels 100 mm apart in fully stretched position 20 mm X 5 mm M.S flats as collapsible bracings properly riveted and washered including 38 mm steel roller including locking arrangement, fitted and fixed in position with lugs set in cement concrete and including cutting necessary holes, chasing etc. in walls, floors etc and making good damages complete. 92 a) Inground floor. 93 Repairing collapsible gate by cutting out all rivets as necessary re-assembling all members including welding pieces of channels, straightening bent bars and rivetting with new riverts and fitting in position and painting two coats. 94 In ground floor. 95 Fabrication, supplying, fitting & fixing of cable trenches covers with 6 mm thick M.S Chequered plate having 2 no. 10 mm dia M.S lifting hooks, strengthening the plate by welding 2 no. 16 mm dia M.S bar at bottom (length wise)as per drawing & direction complete with all labour & materials. 96 Supplying, fitting, fixing C.I. grating (heavy type) 97 (b) Above 100 mm. and upto 150 mm. sq. or round 98 Supplying, fitting & fixing UPVC pipes A-Type and fittings conforming to IS: 13592 - 1992 with all necessary clamps nails, including making holes in walls, floor etc. cutting trenches in any soil through masonry concrete structures etc if necessary and mending good damages including joining with jointing materials (Spun Yarn, Valamoid / Bitumen / M-Seal etc.) Complete. 99 A) UPVC Pipes : 100 (ii) 110 mm. Dia. 101 c) Tee 102 c. Shoe, 110mm dia. 103 Supplying, fitting & fixing gunmetal wheel valve of approved brand and make tested to 21kg/ sq.cm. (For water lines only) 104 a) 32mm dia. 105 b) 25 mm dia. 106 c) 20 mm dia 107 Supply of PVC pipes & fittings Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I) 108 PVC Pipes 109 a) 20mm. Dia. 110 c)25mm dia 111 Supplying, fitting & fixing G.I. Cap at top of tube well pipe dia 100mm. (For fixing and hanging submersible pump and out let of cable). 112 SupplyingG.I. Elbow 113 i) 15 mm. 114 a) (ii) CP Pillar Cock Super Deluxe with Aerator - 15 mm. (Equivalent to Code No. 508 & Model No. Tropical / Sumthing Special of ESSCO or similar brand.) 115 Supply of G.I. nipple standard 50 mm long.32mm 116 Supply of G.I. plain equal elbow of approved brand and make.32mm 117 Supply ofG.I. Union.32mm 118 Supply of G.I. reducing socket with I.S.I. mark.i) 32mm x 25mm 119 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. 120 Wash basin white vitreous china of approved make (without fittings) supplied, fitted and fixed in position on 75 mm X 75 mm X 75 mm wood blocks and C.I. brackets including two coats of painting of C.I. brackets.630 mm x 450mm size. 121 PVC Door shutter-37 mm thick :Supplying fitting and fixingP.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 suitable size and section with 2.0 mm. ( ± 0.2 mm.) wall thickness, the section will have 2nos. built in beads, horizontal & vertical section shall be fixed to each other by self tapping screws and 2 nos. of solid plastic or M.S. tubular galvanised brackets of length 200 mm. x 80 mm. and other 100 mm. x 100 mm. both 1.20 mm in each coner of the shutter frame for placing hinges, Polymer based multicavity hollow section of 105 mm.x 37 mm with 2.0 m. ( ± 0.2 mm.) wall thickness will be fitted in the middle as lock rail reinforced by solid polymer bar of 200 mm long at both ends & screws for both sides. The section frame will then be fitted in by prepanels of size 100 mm x 20 mm, with wall thickness 1.2 mm ( ± 0.2 mm.) and 2 nos. of 6 mm. dia bright rod will be inserted horizontally with both side check and nut system and stretches where fitting of hinges / hasp bolt/tower bolt / door ring are required to be storng enough to with stand wear and tear. The rate is inclusive of cost of all materials,labour, and hire of tools and plants and appliencies. 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.In Ground floor. 122 Supplying fitting and fixing in position approved P.V.C. door frame (matt finigh) made of extruded P.V.C. multichamber hollow section having dimensions 60 mm. x 50 mm X 2 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 40 mm. x 20 mm. x 1.20 mm 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 galvansied steel screws inlcuding cost of all materials and labour, hire charge of tools and appliances, carriage of all materials, taxes and all other incidental charges complete. 123 Supplying, fitting and fixing 18 mm thick marble partition slab with chawk doongri marble square cut, both sides polished two front corners rounded and edges polished. 124 Supplying P.V.C. water storage tank of approved quality with closed top with lid. ( Black) - Multi layer. 1000 litre capacity ( Sintex/Etl/Patton) 125 Labour for hoisting PVC water storage tank.Up to 1500 litre capacity.Upto 1st storey from GL 126 Labour for punching hole in PVC water storage tankup to 50mm dia. 127 Labour for picking up existing gravels / stone metals,surface to average depth including screning and stacking the gravels/ stone metals depth upto 100 mm by mannual means. 128 Labour for spreading gravels/ stone metals in layerupto 100mm.thick as per direction.
