Construction of 02 Numbers New 33KV Bay at TCF PS-1 132/33 KV Substation Yard under Siliguri Sub-urban Division, WBSEDCL under Turn-key Mode

Civil

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)

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. (a) Depth of excavation not exceeding 1,500 mm.

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

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

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75m. In ground floor including roof a) Upto 150 mm thick.

Dismantling R.C. floor, beams etc including cutting rods and removing rubbish as directed within a lead of 75m including stacking steel bars. In ground floor including roof

Removal of rubbish, earth etc from the work site and disposed of the same beyond the compound in conformity with The Municipal Corporation rules for such disposal loading into the truck and cleaning the site in all respects as per direction of E.I.C.

Brick soling with picked jhama bricks including preparation of bed as necessary with brick joints properly filled in and packed with powdered earth and including necessary cushion of similar material below the soling (and in between layers when more than one layer is used) completes as per direction. (a) Single brick flat soling (thickness 75 mm.)

Cement concrete with 30mm down graded shingles excluding shuttering. N.B. Variety. a) In ground floor (1:3:6) proportion.

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.

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. (ii ) River Bazree

Hire and labour charges for shuttering with centering and necessary staging upto 4m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams, fittings, 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-Charg

i) 25mm to 30mm thick shuttering without staging in foundation etc.

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

Plaster (to wall ,floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and racking out joints including throating, nosing and drip course, caffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] b) 15mm thick plaster.

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

Supply, delivery and stacking of 40 mm Nominal graded Stone aggregate loading, unloading, carrying and cost of material with all charges if applicable. Void to be deducted from stack measurements as per PWD SOR

Labour for laying 40 mm Nominal graded Stone aggregate including rough dressing.

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 I. SAIL/ TATA/RINL

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

Supplying fitting and fixing I.R.C. fabric mesh with covering battens including cost of screws etc complete (excluding the cost of battens). In ground floor (b) 75mm x 25mm x 2.7mm x 2.7mm

Supply of Un-skilled labour for carefully dismantling of existing fencing, MS angle etc. and refixing the same as per direction of the E.I.C. including tools and tackles complete in all respect.

(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

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

Supplying profiles of required section made of Aluminium Alloy Extrusions conforming to IS: 732-1983 and IS: 1285- 1975; Annodized (with required film thickness and specified colour / natural) matt finished conforming to IS: 1868-1983 for fabrication of composit door, sliding & casement windows, partitions, formed of basic sections of any ISI embossed / certified make and brand as per direction of Engineer - In- Charge. (Payment will be made on finished length of the work). (A) In 10-12 Micron thickness Annodizing film I) Natural white a) 2- track sliding window i) Bottom frame

ii) Top and side frame

j) Fixed partitions. (Unsupported length of vertical member upto 1.5 mtr. Height of both ends of vertical member restrained but panels within 0.9 sq.m.) i) Top , bottom & side member.

ii) Intermediate member

iii) Glazing clip

Supplying EPDM gusket of approved make and brand as per direction of Engineer in charge. a) EPDM / weather gasket for outer frame and mullion.

Supplying bubble free float glass of approved make and brand conforming to IS: 2835-1987. i) 4mm thick clear glass.

Labour charge for fabrication and installation of composite door, window, partitions made from annodized extruded alloy aluminium sections for the following units:- (A) Glazed aluminium sliding windows made of extruded and annodized alloy aluminium sectios, fabrications, including cutting to proper shape and size, drilling and aligning of window shutter frame fitted with in built locking arrangements, sliding rollers and other necessary fittings, fixture, adhesives and joineries along with extruded neoprine or EPDM gasketing in between window frame and masonry work (walls, column, beam.lintels etc.) as well as between glass and shutter frame for fixing glass and Polysulphide sealant and in between shutter and window frame where necessary including cutting to requisite size and fixing glass as per drawing, specification and direction of EIC. The rate includes the hire charge of all tools and plants, including all incidental charges, adhesive, joineries such as screw, cleat angle etc. but excluding the cost of extruded aluminium sections, glass, neoprene / EPDM gasket, locking arrangement and rollers. i ) 2 track sliding window.

(B) Partly glazed partly panelled or fully glazed single/double 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. The rate includes the hire charge of all tools and plants, adhesive, joineries such as screw, fastener but excluding the cost of extruded aluminium sections, EPDM gasket, glass, board, glazing clips, locking arrangement, etc. I) For partitions using section of size: b) 101.50mm x 44.45 mm

Electrical

Erection of H/L Isolator Structure with Supply of G.I structures made of channel/angle sections etc as per approved drawings . All structural steel members and nut bolts shall be galvanized after fabrication as per IS:4759 ( zinc coating shall not be less than 610gm/sq. meter) for all structural steel members. All structural steel shall conform to IS 2062. All weld shall be 6mm filled weld unless specified otherwise. All nuts and bolts shall be of property class 5.6 of IS 1367. Plain washers shall be as per IS 2016 & spring washers shall be IS: 3063 as per technical specifications, scope of works and approved drawings.

Erection of L/L Isolator Structure with Supply of G.I structures made of channel/angle sections etc as per approved drawings . All structural steel members and nut bolts shall be galvanized after fabrication as per IS:4759 ( zinc coating shall not be less than 610gm/sq. meter) for all structural steel members. All structural steel shall conform to IS 2062. All weld shall be 6mm filled weld unless specified otherwise. All nuts and bolts shall be of property class 5.6 of IS 1367. Plain washers shall be as per IS 2016 & spring washers shall be IS: 3063 as per technical specifications, scope of works and approved drawings.

Erection of Bus Support Structure with Supply of G.I structures made of channel/angle sections etc as per approved drawings . All structural steel members and nut bolts shall be galvanized after fabrication as per IS:4759 ( zinc coating shall not be less than 610gm/sq. meter) for all structural steel members. All structural steel shall conform to IS 2062. All weld shall be 6mm filled weld unless specified otherwise. All nuts and bolts shall be of property class 5.6 of IS 1367. Plain washers shall be as per IS 2016 & spring washers shall be IS: 3063 as per technical specifications, scope of works and approved drawings.

Erection of 12 MTR Long Earth Shielding Tower with Supply of G.I structures made of channel/angle sections etc as per approved drawings . All structural steel members and nut bolts shall be galvanized after fabrication as per IS:4759 ( zinc coating shall not be less than 610gm/sq. meter) for all structural steel members. All structural steel shall conform to IS 2062. All weld shall be 6mm filled weld unless specified otherwise. All nuts and bolts shall be of property class 5.6 of IS 1367. Plain washers shall be as per IS 2016 & spring washers shall be IS: 3063 as per technical specifications, scope of works and approved drawings.

Erection of CT Structure with Supply of G.I structures made of channel/angle sections etc as per approved drawings . All structural steel members and nut bolts shall be galvanized after fabrication as per IS:4759 ( zinc coating shall not be less than 610gm/sq. meter) for all structural steel members. All structural steel shall conform to IS 2062. All weld shall be 6mm filled weld unless specified otherwise. All nuts and bolts shall be of property class 5.6 of IS 1367. Plain washers shall be as per IS 2016 & spring washers shall be IS: 3063 as per technical specifications, scope of works and approved drawings.

Supply and installation C.T Junction Box as per latest specification of WBSEDCL

Erection of Gantry structure (with L.A. Structute) with Supply of G.I structures made of channel/angle sections etc as per approved drawings . All structural steel members and nut bolts shall be galvanized after fabrication as per IS:4759 ( zinc coating shall not be less than 610gm/sq. meter) for all structural steel members. All structural steel shall conform to IS 2062. All weld shall be 6mm filled weld unless specified otherwise. All nuts and bolts shall be of property class 5.6 of IS 1367. Plain washers shall be as per IS 2016 & spring washers shall be IS: 3063 as per technical specifications, scope of works and approved drawings.

Supply of 33KV, 1250A Centre Rotating Isolator H/L with E.S (Motorised Type) as per latest specification of WBSEDCL

Erection, Testing and Commission of 33KV, 1250A Centre Rotating Isolator H/L with E.S (Motorised Type)

Supply of 33KV, 1250A Centre Rotating Isolator H/L W/O E.S (Motorised Type)as per latest specification of WBSEDCL

Erection, Testing and Commission of 33KV, 1250A Centre Rotating Isolator H/L W/O E.S (Motorised Type)

Supply of 33KV, 1250A Centre Rotating Isolator L/L W/O E.S (Motorised Type)as per latest specification of WBSEDCL

Erection, Testing and Commission of 33KV, 1250A Centre Rotating Isolator L/L W/O E.S (Motorised Type)

Supply of 33KV, 400-200/1+1A, (Metering Core: 15VA, CL-0.5, Protection Core: 30VA, CL-5P) Outdoor Current Transformer, as per latest specification of WBSEDCL (from Reputed manufacturer or Authorized supplier of WBSEDCL)

Erection, Testing and Commission of 33KV, 400-200/1+1A Outdoor Current Transformer

Supply of 33KV VCB (Rated Voltage: 36KV, Rated Current: 1250A) SCADA Compatible (for 220V DC Compatible) as per latest specification of WBSEDCL (from Reputed manufacturer or Authorized supplier of WBSEDCL)

Erection, Testing, Commission of 33KV VCB SCADA Compatible (for 220V DC Compatible)

Supply of 33KV, C&R Panel, SCADA Compatible for Feeder control with Directional Relay (for 220V DC Compatible) Motorised Isolator Control Compatible as per latest specification of WBSEDCL (from Reputed manufacturer or Authorized supplier of WBSEDCL)

Erection. Testing and Commission of 33KV, C&R Panel, SCADA Compatible for Feeder control with directional relay (for 220V DC Compatible) Motorised Isolator Control compatible

Supply of 1.1 KV 4C x 2.5 Sq. mm. Copper Control Cable (from Reputed manufacturer or Authorized supplier of WBSEDCL) as per latest specification of WBSEDCL

Laying & jointing of 1.1 KV 4C x 2.5 Sq. mm. Copper Control Cable with supply of cable lugs, glands, tapes, sockets etc

Supply of 1.1 KV 8C x 2.5 Sq. mm. Copper Control Cable (from Reputed manufacturer or Authorized supplier of WBSEDCL) as per latest specification of WBSEDCL

Laying & jointing of 1.1 KV 8C x 2.5 Sq. mm. Copper Control Cable with supply of cable lugs, glands, tapes, sockets etc

Supply of 1.1 KV 12C x 2.5 Sq. mm. Copper Control Cable (from Reputed manufacturer or Authorized supplier of WBSEDCL) as per latest specification of WBSEDCL

Laying & jointing of 1.1 KV 12C x 2.5 Sq. mm. Copper Control Cable with supply of cable lugs, glands, tapes, sockets etc

Supply of 42 KV Gapless Lightning Arrester as per latest specification of WBSEDCL

Erection of 42 KV Gapless Lightning Arrester

Supply of 1.5" AL Bus Pipe for erection of BUS Structure as per standard specification.

Erection of BUS Structure by 1.5'' Aluminium BUS Pipe Including all fittings, fixing of disk /Pin insulators. And necessary connection /droper by necessary clamps and connectors supplied by contractor.

Supply and Fixing of Isolator Pad to 1.5" AL Bus Pipe Bi-Metallic Connector

Supply and Fixing of 1.5" AL Bus Pipe to Pipe Connector

Supply and Fixing of 1.5" AL Bus Pipe to Pipe Tee Connector

Supply and Fixing of 1.5" AL Pipe Rigid Bus Support Connector

Supply and Fixing of Isolator Pad to Panther Bi-Metallic Connector

Supply and Fixing of VCB Pad to Panther Bi-Metallic Connector

Supply and Fixing of CT Stud to Panther Bi-Metallic Connector

Stringing and Sagging of ACSR 200 Sqmm Panther Conductor with Jointing, Hoisting for low & high bus, jumpering including Supply of Panther Conductor as per latest specification of WBSEDCL

Stringing of ACSR 50 Sqmm Rabit Conductor (1-Wire) for sheilding arrangement including Supply of Rabit Conductor as per latest specification of WBSEDCL

Supply and fixing of Post Insulator Stack Type, 33KV as per latest specification of WBSEDCL

Supply of M.S. Flat 75X8MM (Make: SAIL)

Supply of M.S. Flat 65X6MM (Make: SAIL)

Supply of G.I Pipe of 40mm I/D & 50 mm O/D 3MTR. Long heavy duty (ISI mark) with perforation of 12mm diameter each with suitable G.I Clamp (Pattern of Perforation will be made as per drawing given by site office)

Erection of Earth Rods, a pit of 600mm x600mmx 3mtr. is required to be dug. The ground electrode (cluster of 3 nos. GI Pipes) is to be placed at the centre of Pit. The sorrounding volume is back filled with Bentonite suspension formed by mixing Bentonite with large quantity of water the low resistivity good earth to good quality of bentonite powder ratio may be 1:1 (Construction of earth pit 300mmx 300mmx300mm by brick and RCC Checkers plat for top of earth pit with removable top cover attached with hinge)

Supply of Sodium Based Bentonite Powder (IS:2911 - (PART- 1 /SEC-2)1979)

Laying of earth strip by M.S. Flat 75x8 mm on 600mmx600mm depth & M.S. Flat 65X6MM for Rising, Welding & Bolting (jointing of earth strip & Risire by 125mm laping and painted on all welded portion by zinc chromate paint)

Earth work in excavation of switchyard area (18mX12m) for Earth-Mat including removing & spreading within 75mtr. Lead

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