Work Contract for Erection of 11KV Thottiyapatty Feeder Bay and Breaker in Pudukkottai EDC

Supply of various types of steels including Cost of steel, Freight & Handling confirming to IS 2062 Gr A at site, Fabricating the steels in to specified structures as per the std.design/Drawing, Painting of Primer coat of Redoxide paint and first finishing coat of Aluminium Paint with supply of reputed make paints after proper surface preparation such as cleaning of rust scales using appropriate machinery including all Labour, machinery and Consumables and as directed by the field Engineer at the SS site.

11 KV Bay Extension in Existing Substations (4 m centre to centre) - 11 KV One feeder Bay extension without LV

Supply of various types of steels including Cost of steel, Freight & Handling confirming to IS 2062 Gr A at site, Fabricating the steels in to specified structures as per the std.design/Drawing, Painting of Primer coat of Redoxide paint with supply of reputed make paints after proper surface preparation such as cleaning of rust scales using appropriate machinery including all Labour, machinery and Consumables and as directed by the field Engineer at the SS site.

Other Station Structures -11 KV Breaker Platform

Labour for the Erection of the fabricated steel structures at the SS site with Supply of GI Bolts, Nuts & Washers (Spring/Flat as required) confirming to IS including Labour, machinery and Consumables as required & as directed by the field Engineer.

11 KV Bay Extension in Existing Substations (4 m centre to centre) 11 KV One feeder Bay extension without LV

Other Station Structures

11 KV Breaker Platform

Supply and fabrication and erection of eye bolts/ grout bolt with 20/22 mm rod confirming to IS with proper threading and 2 nos MS Nuts as directed by the field Engineer

Grout Bolt

Heavy section (14 kg/m and above)

Light section (below 14 kg/m)

11 KV Feeder breaker plinth

CabLe duct

Color washing

Labour, machinery, consumables for fabrication, erection of earthmat, earth connection, earth electrode, earthspike (including sharpening of earth spike) as directed by the field engineer.

Labour for excavating and refilling of earth /trench for earthmat, cable, etc., of any size/depth narrow excavation as directed by the field engineer.

Normal clay / hard gravel soil

Providing Earth bore 140/150 mm dia using power rig or 100/125 mm dia using hand bore set including the labour, lead, lift etc., sedimentary strata of clay & sand stone shale pebbles boulders etc., for earth Pits with supply and providing of Bentonite powder (Sodium Bentonite) 5Kg /Mtr depth of the bore mixed with low resistivity earths as directed by the field Engineer (Earth to be supplied by the contractor)

Supply and providing of 450-600 mm dia, 300 mm height, 36 mm thick cement collar for identification of earth electrode location as directed by the field engineer.

HANDLING -Labour for the loading/unloading/shifting of Department materials at stores or site by the Contractor WITHOUT using Board's crane for one operation

33 /22/11KV Isolators

Cables/Conductors including cutting and rewinding

Busbars

Clamps/Power connectors/tension fittings

Steel items

33/22/11 KV Breaker

33/22/11 KV CT/PT/LAS/DT/Others

33/22/11 KV Insulators

Double Feeder Control ,Double feeder Relay Panel

BUS RELATED Labour for the erection of Insulator single pole stack for supports/Underhang including Meggering & other consumables and as directed by the field engineer.

Up to 33 KV

50 mm (1 length)

Labour for the Erection of Jumper/Droppers using Moose/Zebra/panther Conductors including Modification of End clamps, providing holes etc wherever necessary as directed by the field engineer.

Switch End Clamp for Zebra

Switch End Clamp for Mink

Switch End Clamp for 50mm Bus

Seating Block for 50mm Busbar

T Clamp for 50m Bus to Zebra

Free End Clamp 50mm

50mm Corona Bell

OUTDOOR BREAKERS- Labour for the Erection of 33/22/11 KV Breakers complete set using Crane with proper levelling, proving holes cutting, jointing, wherever required, Erection of 3 Nos CTs without crane, Providing conductor jumpers from Isolator/Bus to Breaker, Breaker to CT's, CTs to Isolators, Supply & Erection of Earthing steels Four Risers Breaker Structure from Earthmat/electrode using 50x08 MSF, Providing Flexible Copper Earthing loops to the Breaker earthing points, Supply & painting of first primer coat of redoxide and two coats of Bus green Enamel paint on to the Earth risers including cost of reputed make paints, consumable, frieght, etc, and as directed by the field engineer.

11 KV Breaker using Crane arranged by the Contractor

Labour for erection of Measurement transformers, reactor units, using Crane arranged by the Contractor including providing holes wherever required as directed by the field engineer.

Labour for the Erection of Isolators to correct alignment, including the cost of Consumables and lubricants, Meggaring, replacement of insulators if necessary etc, Supply and erection of Earthing steels to Isolator Bases, Insulators, ABS Booms, Poles, Earth Blades, operating Mechanism earthing etc., using (65x10 MSF for 230 KV SS) 50x8 MSF, Supply and Erection of 25 x 3mm² Flexible Copper to the centre Rotating Insulators, Mechanism Box etc, Supply and Applying of one coat of Primer Redoxide paint and Two coats of Bus Green Enamel Paint on earthing material including Freight, consumables etc.,.as directed by the field engineer.

22/11 KV Isolator

Double feeder Control/Relay Panels of Grid type (P&C)

Supply and Erection of 5m Grouting type lamp post of B class MS pipe (3 inch dia for 3mtrs & 2.5inch dia for 2mtrs) including single/double fitting (Straight or 'V' type) fixing arrangements, 1 inch dia B class pipe arms, yard light box fixing flat and one coat of redoxide and one coat of aluminium paint.

Supply and Erection of reputed make street light fitting with 1x(70-75)W or 2x(35-40)W, 240V CGL/ PHILIPS make LED Light.

Supply of Erection of yard light fuse unit mounting box of size 200x200x150mm (BxHxD) out of 18 SWG (1.22mm) M.S Sheet including primer paint as per Drawing including the Supply, Fabrication and Erection of Box fixing Flat using 50x8MSF, Two coat of enamel paints, provided with 16/20A rewirable Porcelain Fuse carrier unit, 16 A Bakelite connenectors including its cost materials, consumables, frieght, etc and as directed by the fiels engineer on site requirements. (The box shall be vermin proof, shall be provided with sturdy hinges, with provision for cable entry and locking arangements).

Fabrication, supply and fixing of C.T/P.T junction box of size 400x300x150 mm of 16 SWG(1.6mm) M.S.sheet with primer coat paint, Supply, Fabrication and erection of Box fixing Flats using 50x8 MSF, Supply and Fixing of 25x3mm² Braided Flexible Copper loops to box earth., Two coat of Enamel Paint, provision for fixing terminal blocks/ MCBs including consumables, fright, etc., as directed by the field engineer on site requirements. (The box shall be vermin proof shall have sturdy hinges, & locking arrangements)

Labour for erection of C.T/P.T junction box

11 KV Bay Extension in Existing Substations (4 m centre to centre) 11 KV One feeder Bay extension without LV

11 KV One feeder Bay extension without LV

Labour charges for two coats of enamel painting in substation structures, steels etc., including the cost of reputed make paints and other consumables as directed by the field engineer.

11 KV Breaker Platform

250 x 125 RSJ Pole Bottom (height 0.45 to 0.5 m )

Yard Light Pole Bottom

Supply of paint of reputed make and Labour, consumables for first primer coat using red oxide Paint and first finish coat of Painting using Aluminium Paint including consumables, after proper surface preparation using appropriate machinery to remove rust/scales etc as directed by the field engineer.

CABLES- Labour for erection of cable in duct/ trench/ clamping on structures - neat laying in the ducts with identification Aluminium tags in all duct corners for easy identification of cables including fabrication of clamps and fixing at uniform intervals as directed by the field engineer

Up to 8 Core

Above 8 Core

STATION ACCESSORIES

Providing PVC down fall pipe using 110mm dia 4Kg/sqcm, PVC pipe and PVC clamp line supreme ec, including fixing PVC washer type door bend & shoe, in correct position and connecting from the roof slab including cost of all materials, labour, transport lead, lift, etc., complete, including PVC accessories and washers as required and as directed by the field engineer.

Supply and glanding of ISI mark cable gland of suitable size of reputed make including removing of insulation of cables and providing suitable holes as required and as directed by the field engineer.

Supply and termination of cable core end dressed neatly including the cost of cable socket (lug) ferrules, sleeves, tags, ties, stropes, etc., as directed by the field engineer. (No.of core ends in unit of 1000).

Labour for erection of cable core end termination (No.of core ends in unit of 1,000)

Supply and erection of Vinyl Sticker cutting/ Printing on Vinyl Sticker/Foam board to be used for main equipment, slogan, name board & any other purpose of required sizes as directed by the field engineer.

Supply and provision of 12/25x3mm flexible braided copper / copper flats as required and as directed by the field engineer.

Supply and fixing of MCB of Havells/Schneider/ MDS/ Reputed make with ISI mark wherever required as directed by the field engineer.

16 AMPS - single phase, single pole

Supply and fixing of Terminal blocks as directed by the field engineer.

Disconnecting type (Link type)

Supply and fixing of godrej 6 lever navtol lock with triplicate keys for A.B.Switches and for any other purpose including the cost of ring and key token as directed by the field engineer.