Enhancement of 110-33 Kv power transformer capacity from 1x16 MVA to 2x16 MVA at Mullukudy 110 kV SS. (C and E)

Amount

A) CIVIL

Clearing scrub jungles and disposed from the site as per the direction of site engineer including cost of all labour, lead, lift etc complete.

Site grading and levelling and sectioning by earth moving machineries as per the direction of site engineer including cost of all labour, lead, lift etc complete

Earth work excavation for foundation in hard stiff clay, stiff black cotton hard red earth, shales, muram, gravel, stoney earth and earth mixed with small size boulders with an initial lead, lift, etc, complete.

Supplying and filling of river sand in foundation and basement with well water and consolidation as per specn.incliding cost of all materials labour, lead, lift, etc., complete.

PCC 1:3:6 (M 10) mix using 20mm HBS machine crushed metal for foundation with out form work including cost of all labour ,materials,water charges , lead, lift, curing, etc., complete.

RCC 1:1:5:3 using 12 to 20mm ( M 20) (machine crushed) metal for raft foundation without formwork including cost of all materials,water charges, labour, lead, lift, etc., complete.

RCC 1:1:5:3 using 12 to 20mm (M 20) (machine crushed) metal for column concrete with formwork including cost of all materials, water charges labour lead, litf, etc., complete. But excliding cost fo steel reinforcement (by using mixer machine).

RCC 1:1:5:3 using 12 to 20mm ( M 20) HBS metal (machine crushed) for Grade beam /plinth beam with formwork including cost of all labour, materials, water charges, lead, lift, etc, complete. But excluding cost fo steel reinforcement (by using mixer machine).

RCC 1:1:5:3 using 12 to 20mm ( M 20) HBS metal (machine crushed) for culvert slab concret, Transformer plinth with steel mould , including cost of all materials, form work, water charges ,centering, curing , all labour charges, lead, lift, etc., complete.(by using mixer machine).

RCC 1:1.5:3 using 12 to 20mm including cost of all materials, form work, centering, curing, all labour charges, water charges , lead, lift, etc. complete. But excluding cost of steel reinforcement. For precast cover slab concrete.

Supplying and fabricating and placing in position of MS / RTS steel reinforcement for RCC works including labour for cutting, bending, tying and fixing in position as per specification including cost of all materials, lead, lift, labour, cost of binding wire, etc., complete.

Brickwork in CM 1:3 mix using II class chamber brick of size 9"x 4 3/8" x 2 3/4" for bath, fol, brick on edge, partition wall, superstructure including cost of labour materials, curing, lead,water charges, lift, etc., complete.

PCC 1:3:6 (M 10), using 40 mm HBG metal foundation without form work including cost of cement, all materials,water charges, labour, lead, lift, etc. complete.

PCC 1:2:4 (M 15), using 20mm HBG metal foundation without form work including cost of cement, water charges, all materials, labour, lead, lift, etc. complete.

PCC 1:2:4 (M 15), using 20mm HBG metal foundation with form work including cost of cement, all materials, labour, lead, lift, etc. complete.

Labour charges for transporting from casting yard to curing tank,curing tank cable duct , aligning and fixing of RCC pre cast cover slab as directed by the site engineer including all labour lead lifts etc complete

Supply and Fabrication, Transport & fixing of GI angles for cable duct with anchorage and placing in position as directed by the engineer at site including cost of angles,cutting and all labour, lead, lift, etc. Complete

Supply, Labour charges for fabrication, fixing in position of MS rail with proper anchorage by using welding and cutting to the required size and length anf fixing over transformer plinth as per departmental specifications including cost of labour, transport, placing in position, lead,lift etc complete.

Plastering with CM.1:5 mix using 12mm thick for inside & outside walls, including cost of all materials, water charges, labour, lead, litf, etc, complete.

Colour washing the plinth & equipments structure with two coats of ULTRA paint over a coat of white cement primer for wall including cost of all materials, labour, lead, lift, etc., complete.

Removing the excess earth to the nearby bund or low laying area instructed by field engineer including all lead, lift, etc., complete.

Supplying and laying PVC pipe 110 mm outer dia 6kg/ cm2 ISI make for laying the sewer line including cost of pvc pipe coupling lbour for cutting laying fixing tighting etc including earth work excavation and refilling trench etc complete

Providing and laying PVC high density pipe including cost of all materials viz.bend, labour for cutting threading fixing and tightening necessary excavation etc., complete. 32 mm dia

Providing and laying PVC high density pipe including cost of all materials viz.bend, labour for cutting threading fixing and tightening necessary excavation etc., complete.25mm dia

Supplying and fixing inposition of GM gate valve best quality such as leader, zeolite, zenith including cost of all special fixtures lead, lift,etc., complete.32 mm dia GM Gate valve

Supplying and fixing inposition of GM gate valve best quality such as leader, zeolite, zenith including cost of all special fixtures lead, lift,etc., complete25 mm dia GM Gate valve

Dismantling of existing main gate from column and refixing of dismantled in front of column including dismantling of existing concrete and reconcreting for fixing of main gate , material , lead, lift, labour charges, painting of gate as directed by site Engineer.

painting and writing the name of substation in the wing wall both in English & Tamil with artist painter including cost of all material, labour for fixing, transportion, lead, lift, etc., complete.

Supplying and fixing of PVC end cap of 20mm size of approved quality cost of all materials, labour for laying and making holes, lead, lift, etc., complete for water supply arrangements to earth pit.

A) ELECTRICAL

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.

110 kV Structures (3 m centre to centre)

110 KV Power Transformer Gantry

110 KV AB Switch Structure

110 KV Pie Support Structure

Non-specfied structures, Extension, Alterations, and Deductions as per station requirement.

Heavy section using RSJ 250 x 125 mm

Heavy section using RSJ 200 x 100 mm

Light section (other than heavy section)

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.

33 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.

110 KV Power Transformer Gantry

110 KV AB Switch Structure

110 KV Pie Suport Structure

Non-specfied structures, Extension, Alterations, and Deductions as per station requirement.

Heavy section using RSJ 250 x125 mm/ RSJ 200x100 mm

Light section (other than heavy section)

33 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

Eye Bolt

Supply of Various types of Steel materials confirming to IS 2062 –Gr A including , Freight, Handling, etc., at site for Earthing with Labour for Fabrication & erection for Earthing including Labour, Machinary and Consumables as Required and 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.

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

Non-Fragile Materials

110 KV Isolators

33 /22/11KV Isolators

Cables/Conductors including cutting and rewinding

Busbars

Fragile Materials

33/22/11 KV Breaker

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

110 KV Insulator

33/22/11 KV Insulator

AC/DC/C&R Panels of Non grid type, Single feeder Control/Relay Panels of Grid type

Labour for the loading/unloading/shifting of Department materials at stores or site by the Contractor using Board's crane for one operation.

Fragile Materials

33/22/11 KV Breakers

Labour for the Erection of Strung bus and all related hardwares, fittings, clamps including Meggering, hoisting of insulators, and consumables and as directed by the field engineer.

upto 33 KV Single Conductor Strung Bus/phase

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

110 KV or 66 KV

Labour for the erection of Busbar including suitable Modifications of End Clamps, providing holes wherever necessary as directed by the field engineer.

75 mm (1 length)

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.

Supply & fixing of Aluminium Power Connectors/ Clamps/ Fittings with SS Bolts and Nuts, including, frieght etc., confirming to IS as per the drawing and specification.

4-Bolt Tension fitting

Switch End Clamp for Zebra

Switch End Clamp for Mink

Switch End Clamp for 75mm Bus

Switch End Clamp for 50mm Bus

T clamp for Zebra to Zebra

T Clamp for 75mm Bus to Zebra

T Clamp for 50m Bus to Zebra

Free End clamp 75mm

Free End Clamp 50mm

PG Clamp for Zebra

75mm Corona Bell

50mm Corona Bell

Seating Block for 75mm Busbar

Seating Block for 50mm Busbar

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 inculing cost of reputed make paints, consumable, frieght, etc, and as directed by the field engineer.

33/22 KV Breaker using Crane arranged by the Contractor

33/22 KV Breaker using Board's Crane

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 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.

110 KV Isolators W/O Earth - hand Operated

33 KV Isolator

Labour for erection of LAS station type with surge monitor/ accessories etc., (3 Nos single pole stack) including Supply and erection of Earthing steels, (connecting to earth electrode & mat) Supply and Painting of Primer Paints and Two coats of Enamel Paints of reputed make, including, frieght, consumables etc., as directed by the filed Engineer.

33/22/11 KV LAS

Labour for the Erection of Control Panels includings consumables as directed by the field engineer.

Simplex type/AC/DC/C&R Panel of Non-Grid type, Battery Chargers, Single feeder Control/Relay Panels of Grid type (P&C)

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

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).

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)

Supply and Labour for the Second Finish Coat of Aluminium paint on standard Steel Structures including cost of Paints of reputed make, Consumables etc., as directed by the field Engineer.

110 KV Power Transformer Gantry

110 KV AB Switch Structure

110 KV Pie Support Structure

Non-specfied structures, Extension, Alterations, and Deductions as per station requirement.

Heavy section using RSJ 250x125 / 200x100 mm / LIGHT Section Steels

Light Section (other than heavy)

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.

33/22 KV Breaker Platform

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

200 x 100 RSJ Pole Bottom (height 0.45 to 0.5 m )

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

Labour charges for writing details in any finished surface/board including cost of enamel paints and other consumables as directed by the field engineer.

Supply and erection of "B" class G.I.pipe for extension of tandem/down pipe for A.B.Switches and for any other work required as directed by the field engineer.

40 mm Dia

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

Supply &Crimping of Copper Lugs of Suitable sizes 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 provision of M8,M10,M12 and M16 (full /Half thread)G.I.bolt and nuts of various sizes including plate/spring washers as required and as directed by the field engineer.

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.

GST (If applicable quote the value, if not enter '0')