enhancement of power transformer capacity from 2x5 MVA into 2x8 MVA at Orathy 33/11 KV SS in Chengalpattu EDC

Amount

M.S.Materials (Supply & Erection)

Supply, Transport, Loading and Unloading, galvanizing/sand blasting with Zinc painting of RS joist (250X125/200X100) and M.S.Plate(10/12 mm) to the site including cost of material, labour, lead, lift etc., complete as directed by the department engineer at site.

Supply, Transport, Loading and Unloading, galvanizing /sand blasting with Zinc painting of MS Channel (125x65/100x50) MS Angle to the site including cost of material, labour, lead, lift etc., complete as directed by the department engineer at site.

Supply, Transport, Loading and Unloading of MS Round rod (40mm) to the site including cost of material, labour, lead, lift etc., complete as directed by the department engineer at site.

Supply, Transport, Loading and Unloading of MS Flat (65x10 / 50x8) to the site including cost of material, labour, lead, lift etc., complete as directed by the department engineer at site.

Labour for erection of Heavy section structure ( Sec wt above 14 kg/m)

Labour for erection of Light section structure ( Sec. wt below 14 kg/m) (Under Normal Contion)

Erection of Equipments

Labour for erection of 11/ 33KV VCB/SF6 CB with own crane arrangement and connecting link rod, SF 6 gas filling and,& other consumables, & as directed by the field Engineer. (Under Normal Condition)

Labour charges for erection of 11KV CT using manual labour or crane by own arrangement (Under Normal Condition)

Labour charges for erection of CT,PT junction box including fabrication of clamp

Labour for erection of AB Switch 33 or 22 or 11 KV without earth hand operated 11KV (On Normal condition)

Labour for erection of LAS including fabrication of base if required (On LC condition)

station type 33 or 22 or 11KV

Erection of Battery & Panels

Labour for Erection of Panel/Battery Charger Simplex indoor/outdoor

Simplex

Erection of Bus materials

Labour for providing of jumpers and droppers. (Under Normal Condition)

Labour for providing of jumpers and droppers. (Under LC Condition)

Earthing

Labour, Machineries, Consumables for Fabrication of earth electrode of 6 Mtr required length for Yard

Labour, Machineries, Consumables for fabrication and erection of earth spike.

Labour, Machineries, Consumables for erection of earthmat and earth raiser. (Under LC Condition)

Labour, Machineries, Consumables for erection of earthmat and earth raiser (Under Normal Condition)

Providing 140/150 mm dia bore using power rig inculding labour, lead lift etc.In all type of soil and erection of earth electrode, supply and providing of A grade Bentonite powder with 5% common salt mixed with available site clay soil 5 Kg per metre depth in earth hole as directed by the field Engineer. Machine Bore (Under Normal Condition)

Supply and providing of 600mm mean dia,300mm height,36mm thick cement collar for identification of earth electrode location including 1 primer and 2 coat of colour wash as directed by field engineer.

Labour for excavation and refilling of trench of ave.width of 0.3M and ave.depth of 0.8M for earthmat and and ave.depth of 0.4M for laying of cable of any size as required by field engineer.

Labour for excavation and refilling of trench of ave.width of 0.3M and ave.depth of 0.4M for laying of cable below fixed yard level and of any size and filling with sand before and after laying of cable and laying of brick on sand ans refilling of trunch including cost of sand and brick and other consumables.

Control cables

Labour for laying of cable in duct / trench including the cost of Alu. tag for identification Upto 8 core

Labour for laying of cable in duct / trench including the cost of Alu. tag for identification above 8 core

Labour for laying of cable& Clamping in structure

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

Supply and termination of cable core end including cost of cable socket (Lugs), ferrules straps etc as per cable schedule and as directed by the field engineer.

Control Cable End Termination & Wiring Materials

Supply & Fixing of ISI mark bakelite HRC/ rewireable fuse holder in Panels/Boxes for AC/DC/PT circuits wherever required as directed by the field engineer. 16 Amps

Supply & Fixing of ISI mark bakelite HRC fuse holder in Panels/Boxes for AC/DC/PT circuits wherever required as directed by the field engineer. 2/5/10 Amps

Supply & Fixing of ISI make MCB in Panels/ boxes of reputed make as directed by the Field Engineer. 1 pole 16 Amps

Supply & Fixing of ISI make MCB in Panels/ boxes of reputed make as directed by the Field Engineer. 3 pole 32 Amps

Painting

Removing, cleaning painting (Aluminium) of first finishing coat of all sections including cost of paint, brush and consumables.

Labour for painting (Aluminium) of second finishing coat of all sections including cost of paint, brush and consumables

Labour charges for painting of Green enamel paint on all kind of structure earthing including removal of dust, rust using wire brush and painting brush etc.

Labour charges for removing rust primer coat first and second coat painting both sides and writing details in MS boards, Yard light and R.S.Joists including cost of enamel paint (dulex, asian berger preferred) and other consumables as directed by the field Engineer.

Labour charges for writing details in finished surface boards including cost of enamel paint (dulex, asian berger preferred) and other consumables as directed by the field Engineer.

Power connectors

Supply of Switch end clamp for zebra

Supply of Corona bell for 50 mm bus bar

Yard Lighting

Supply & erection of 8 Mtr long stepped tubular pole for yard light including laying of cable inside pole wherever required and as directed by the field engineer.

Supply & Erection of LED lamp 72 W fitting with fixture and fuse box including wiring and testing and buring condition,including the cost of 15 A 2 way strip connector and other consumables.

Manufacturing and supply of yard light box of size 200w X 175h X 150d mm out of 18 SWG (1.2mm) MS sheet with cable entry holes.Fixing arrangements for fuse units and mounting clamps dirceted by the field engineer including cost of materials.

Fire Extinguisher

Supply of Fire extinguisher DCP type trolly mounted 25 KG wherever required and as directed by the field engineer.

Supply of Fire extinguisher DCP type trolly mounted 10 KG wherever required and as directed by the field engineer.

Supply of Fire extinguisher DCP Portable type 5 KG wherever required and as directed by the field engineer.

Supply of Fire extinguisher Foam type 9 ltr wherever required and as directed by the field engineer.

Manufacturing and supply of sand drums made out if oil drum of size 580mm dia and 420mm height with conical cover made out of in sheet provided with handle including cost of barrel sand and consumables as direcyed by the field engineer.

Manufacturing and supply of fire bucket of 10ltr capacity made out of 26(0.46mm)SWG MS sheet painted with white and red enamel paint inside and outside resply;Bottom of bucket shall be U shaped outside of the bucket shall be written as FIRE in english/Tamil in white enamel paint including cost of all materials

Miscellaneous

supply of rubbermat of size 2000x1000x10mm

Supply and provision of M8, M9, M10, M12, and M16 full thread G.I. Bolts and Nuts of various sizes for erection of AB Switches and insulator or any other purpose wherever required and as directed by field Engineer.

Manufacturing and supply of fire protection stand of size2400HX1500W mm out of 40x40x6mm MS angle for frame 125x65mm MS channel for base 14SWG(2mm)MS sheet for hood as per drawing and as directed by the field engineer including cost of all materials

Fabrication supply and fitting of CT/PT junction box out of 14SWG (2.00mm) MS sheet where ever required as directed by field engineer .The box shall have sturdy hinges provision for mounting terminal blocks and locking arrangements including cost of all materials 400WX150DX300H

Supply & fixing of mounting channel suitable for CBTM 5 terminal block in panel/ box as required and directed by the field engineer

Supply & fixing of nut CBTM 5 or equivalent terminal block in panel /box as directed by the field engineer

Supply & fixing of disconnected type terminal block suitable for CT circuits in panel /box as directed by the field engineer

Supply and erection of B class GI pipe for extension of tandem/down pipe for AB switches and for any other work as required and directed by the field engineer including cost of Gi pipe 40mm dia (3.5m*1)

Supply and fixing of (Godrej) 6 lever navotal lock with triplicate keys for AB Switches and for any other purpose including the cost of ring and key token as directed byfield Engineer.

Supply and fixing of Copper tape/rope for interlinking panel earthing and for any other purpose of any size as directed by the field engineer

Fabrication and fixing of bell mouth Providing jumper connection in the solid core / PT Insulators including the cost of GI Pipe 50 mm dia one meter & other consumables & as directed by the field engineer

Labour for loading or unloading or shifting of materials without using Board's crane ( One operation)

Non-fragile

Fragile

Labour for loading or unloading or shifting of33/22/11KV Breakers including panels by own crane arrangement

DISMANTLING WORK

Dismantling of existing 11KV Strung Bus (Under LC Condition)

Dismantling of existing Dropper & Jumper (Under LC Condition)

civil work

Earth work excavation in all type of soils with an initial lead of 10m and lift of 2m including cost of all leads, lifts, labour for applying as per standard specification

Supplying and filling in foundation with filling sand in layers not more than 15 cm thick well rammed and watered consolidated etc complete as per standard specification

Refilling with excavated earth wherever required including labour for filling, watering and consolidating with all lead, lift, etc, as per standard specification.

Transporting the balance excavated earth by headload upto 100m including loading and unloading and transporting and filling in low level places of SS complex as directed by Engineer including all leads, lifts, labour, tools etc., complete

PCC 1:4:8 concrete using 40mm HBG machine crushed metal including cost of all materials, lead, lift, labour and curing etc., complete.

Laying plain cement concrete 1:2:4 using 20mm HBG metel for plinth including cost of Shuttering all materials, lead, lift and labour for laying concrete etc..

Laying reinforced cement concrete M20 using 12MM to 20MM HBG metal and 315 kg of minimum cement content for various types of work including necessary, strutting, shuttering, formwork, lead, lift, labour etc., complete but excluding cost of reinforcement.

Supply, fabrication and placing reinforcement for all R.C.C. works including cost of steel and all lead, lift, labour for cutting, bending and placing reinforcement as per plan and tying with binding wire and including cost of binding wire, labour and work at all levels etc., complete.

Supplying Fabrication and fixing of Template including aligining in position as per specification and drawing including cost of all materials labour lead lift etc., complete.

Fabrication and supply of grouting bolt for plinth (20mm dia 1.2m length steel rod) Providing Grout holes using PVC Pipes as per requirement for equipment structures including cost of all materials, form work, labour, lead, lift etc. complete and as directed

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