ERECTION OF 230KV HYBRID GIS BUS

Amount

CIVIL PORTION : Demolition of RCC support structure of existing 230kV Disconnector switch and complete erection of foundation plinth and cable trench for 230kV hybrid GIS bus coupler module

Earth work excavation for foundation including all labour charges including initial lead, lift, etc complete

Hard Gravelly soil SS 20B

Supplying and filling M sand for foundation and basement including watering and consolidation in 15 cm layers including cost of sand all labour lead lift etc, complete

PCC 1:4:8, using 12 to 20mm HBG metal for foundation without form work including cost of cement, all materials, labour, lead, lift, etc, complete

RCC M 20 mix using 12-20mm graded hard machine broken granite stone, including cost of all materials, curing, all labour charges, lead, lift, etc. complete. But excluding cost of steel reinforcement. (without formwork)

RCC M 20 mix using 12-20mm graded hard machine broken granite stone, including cost of all mateials, form work, centering, curing, all labour charges, lead, lift, etc. complete. But excluding cost of steel reinforcement- (with formwork)

Providing steel reinforcement for RCC works including cost of steel rod binding wire and placing in postion of the steel reinforcement all materials, lead and lift etc., complete

Plastering with cm 1.:5, 12mm thick for walls including cost of cernent, all materials,curing, labour, lead and lift etc. complete

Painting two coats wifh approved quantity White distember over a waterbase primer as priming coat, for interior ceiling and surfaces including cleaning the plastered surface, cost of all materials, labour, lead, lift, T&P, etc. complete

Dismantling of the existing RCC switch & cable duct structure including all lead, lift etc., complete

Supplying and fabrication of Foundation bolt with various sizes of required length including threading with 2 nos of GI nuts and washers and fixing in the position as directed by the Engineer at site including assembling of template etc,, cost of template, all material, labour, lead, lift etc., complete

Providing Grout holes for equipment structures including cost of all materials, form work , labour, lead, lift etc. complete

Fabrication of Template and assembling in correct position for various equipment plinth and grouting the foundation bolts including cost of all materials, labour, lead, lift etc, complete,as directed by the dept. Engineer at site

Transpoting the surplus excavated earth, debris etc away from the site to a lead of 5km including cost of all lead, lift, conveyance, loading, unloading etc.complete

ELECTRICAL PORTION : Dismantling of existing 230kV Disconnector switch and complete erection of 230kV hybrid GIS bus coupler module and providing assistance during testing and commissioning

Labour charges for dismantling of 230KV AB Switch motor operated (without earth) excluding structure

Labour for dismantling of dropper and jumper

Labour for dismantling of 230KV single pole stack

Labour for providing of dropper and jumper

Labour for erection of earth bore, earthmat & earth raisers (equipment earthing) including cost of materials

Supply of MS Flat various size for earthmat & earth raisers (65x10mm, 50x8mm etc,) including cost of transport & other incidental charges as directed by the Dept. Engineer at site

Supply of earth electrode 6m length, 40mm dia MS Rod including cost of transport & other incidental charges as directed by the dept. Engineer at site

Labour charges machineries, consumables for fabrication of earth electrode 10mtr/ 6mtr length or as directed by the Field Engineer

Labour charges machineries, consumables for erection of earth mat and earth raisers, as directed by the field engineer at site

Providing 140/150mm dia bore including, labour, lead, lift, etc., complete mobilization in all types of soil and erection of earth electrode, supply and providing A4 Grade bentonite powder with 5% common salt mixed with available site clay soil with water 5 kg/m depth in earth bore and pouring water and tightening of earth bore, upto satisfactory earth as directed by the field Engineer it site,

Labour for excavation and refilling of trench of avg. width of 0.3m & avg. depth of 0.8m for earth mat and avg. depth of 0.4m for laying of cable below fixed yard level and any of size as required as directed by the field Engineer

Labour charges for painting earth raisers by green enamel painting and wherever required including cost of paint (Dulex, Asian Berger perferred) and other consumables as directed by the field Engineer

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

Supply and provision of M10, M12 & M16 full thread GI bolt, nuts & GI washer of various size for erection of insulator or any other purpose wherever required and as directed by the field Engineer

Labour for erection of panel /battery charger

Labour for laying of cable and clamping in structure

Upto 8 core

Above 8 core

Supply and glanding of ISI mark cable glands 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, lug, ferrules, strap etc, as per cable schedule and as directed by the field Engineer

Labour for erection, testing and Commissioning of 230KV HGIS Bay - Bus coupler bay (Complete shape) with control cable & terminal connectors using crane, including wiring at control cubical, C&R panel & busbar protection panel, evacuation, gas filling, including other incidental charges & providing man power for tesing whereever required as directed by the field engineer at site