220KV CTs AND PTs

Amount

Earthwork excavation in all types of soils (up to stone matrix) which can be excavated with pick axe and crow bars and do not require blasting in all conditons such as dry, wet and slushy etc. covering initial lead and lift etc and backfilling the foundations (after laying foundations) with excavated earth complete as per the directions of the Engineer in charge for the finished item of work.

Providing sand cushion for foundation and basement in layers, including cost & conveyance of all materials, labour charges, leads, lifts, watering and consolidating to required density complete as per the directions of the Engineer in charge for the finished item of work .

Laying of Cement Concrete (1:4:8) mix using 40mm size HBG Machine crushed metal for foundtions including cost and conveyance of all materials at all leads and lifts, ramming, consolidating, curing etc, complete. for finished item of work as per directions of the Engineer-in-charge.

Supply High Yield Strength Deform d (HYSD)/ Thermo MechanicaHy Treated (TMT) (Fe 415 gr de as per S 1786-1979) of TISCO/ SAIL/ VSP make, different diameters for RCC works , including labour charge for straightening,cutting, bending to required sizes and shapes, placing in position with cover blocks of approve materials and size and tying and lap-splicing with bindinq wire of 18 SWG,forming grills for reinforcement work as per approved designs and drawings, including cost and conveyance of steel bars, including all wastages such as overlaps, couplings, chairs, spacer bars including cost and conveyance of binding wire, cover blocks and all incidental, operational, labour charges such as cutting, bending, placing in position, tying including sales and other taxes of all materials etc.,complete for finished item of work in all floors.

RCC M- 20 Nominal mix (Cement 400 gs ) using 20mm size graded machine crushed hard granite metal (coarse aggregate) (20mm & 12mm (2:1)) from approved quarry including cost and conveyance of all materials like cement, fine aggregate (screened sand) coarse agregate, water etc., to site and including seigniorage charges, sales & other taxes on all materials including all operational, incidental and labour charges such as machine mixing, laying concrete, curing and steel centering, etc.,complete but excluding cost of steel and its fabrication charges fo finished item of work(sand 0.45 cum and Metal 0.90 cum) as directed by the Engineer in charge for finished item of work.

Plastering with CM (1:5), 12 mm thick to the even wall surfaces including cost & conveyance of -11 materials, labour charges, leads, lifts ,scaffolding and curing complete as per the directions of the Engineer in charge for the finished item of work.

Dismantling the existing RCC by mannual means and carefully stacking the reuseful material at site and disposing the unserviceable metraial to any remote place 1000 mts distance away from site with all leads and lifts includung cost of T&P ,labour and as per the directions of the Engineer-in - charge for finished item of work.

Fabrication, galvanisation and supply of 33KV towers including stubs and cleats, templates, hangers, U-bolts, tension plates in accordance with the drawings furnished and as per IS:2062 grade A and as detailed in the specification including cost of all materials including transportation.

Supply of hot dip galvanised bolts and nuts of various sizes, electro galvanised rectangular spring washers and flat washers as per IS conforming to latest issue and as detailed in the specification including cost of all materials, labour, transportation ( Basic rate is as per Transport Data sheet for structual steel and Bolts & Nuts vide item no.2)

DisConnection of single zebra conductor from equipment to bus and or another equipment.(under Shutdown condition)

Dismantling of main and auxiliary structers etc., using bolts and nuts (under Shutdown condition) of CTS & PTs

Dismantling of 220KV Bus Isolators (with earth switch) (under Shutdown condition)

Disconnection of Cable terminations to the switchgear, Marshalling boxes/ Panel terminal blocks/control & relay panels, LTAC panel including providing suitable ferrules and lugs as per specification (including cost of ferrules and lugs) (i) 2.5 sqmm copper cable ith copper lugs each core at both ends. (under Shutdown condition)

Dismantling of the following equipment with Crane / Derrick at site including handling the material / equipment carefully at site including labour charges for all incidental and operational items of work. (Excluding cost of transport charges from Deptt Stores to the site). Under shut down condition.

220 KV Current Transformer

220 KV PotentialTransformer

220 KV CVTs

Setting of stubs with stub setting template for sub-station structures of 33KV Towers & 220KV CPL's Structural construction: Erection of stub template, fixing of jacks for supporting the template, alignment and levelling of exact locaton of stubs of stubsetting template, dismantling of template after completion of intial curing of CC (The Templates for the towers required shall be arranged by the Contractor at their cost)

Erection of main and auxiliary structures etc., using bolts and nuts

Laying of earth mat including excavation of trenches, welding, connecting to equipment and connecting lightning shield to earth mat and earthing of fence posts drilling andconnecting earth rods including connecting castiron pipes as per Drg. No.SET(P)/149/82 with the following sizes of MS flats including fabrication.

a) 100 X 16 mm M.S Flat

b) 100 X 16 mm G.I Flat

c) 75 X 8 mm M.S Flat

d) 75 X 8 mm G.I Flat

Erection of the following equipment with Crane / Derrick at site including handling the material / equipment carefully at site including labour charges for all incidental and operational items of work. (Excluding cost of transport charges from Dept Stores to the site). Under shut down condition.

220 KV Current Transformer

220 KV PotentialTransformer

220 KV CVTs

Connection of equipment to bus and or another equipment with Single Zebra conductor including measuring, cutting, clamping and hoisting of suspension insulator assembly to support the conductor wherever necessary. (under shutdown condition)

Cable termination to the switchgear, Marshalling boxes/Panel terminal blocks/control & relay panels, LTAC panel including providing suitable ferrules and lugs as per specification (including cost of ferrules and lugs as per specification (includung cost of ferrules and lugs) (i) 2.5 Sqmm copper cable with copper lugs each core at both ends.(under shutdown condition)

Laying of control cables of all sizes (from 2 core, 2.5/4.0sqmm to 12core, 2.5/4.0sqmm both copper and aluminium) in cable trenches including cost of suitable metallic glands with rubber lining & dressing. This includes running of cables in control room where cables are run on cable racks in cable duct.

ABT Meters(3Nos.) arrangement & Panel erection ( Includes Cost of ABT meters Panel,Cost & Labour charge for cable laying through GI Conduit Pipe, GI L bends, GI T bends & Couplers from CTs & PTs to ABT Meters panles and also includes erection of ABT meters panel and cost & erection of TTBs, TBs and alkaline sheet etc., as per the instructions of the Engineer Incharge.)

Shifting of New 220KV CTs, 6.Nos and PTs, 6.Nos from HWP(M) to 220KV Manuguru Substation and Shifting of dismantled 220KV PTs, 3Nos & CTs , 3 Nos / Material from 220KV Manuguru Substation to HWP(M). (Required Truck , Crane,Tools &Ttackels , Transit Insurance for PTs & CTs , manpower and other miscillaneous arrangements are to be made by the Contractor at his cost ).

Spares

Supply of CTs , PTs terminals connecting clamps with Zebra conductor

ACSR Zebra conductor

Supply of 2C X 2.5 Sq.mm Copper Control cable

GI Earth bonds