FOR SUPPLY OF MATERIALS AND WORK OF SHIFTING / HEIGHT RAISING OF 220 KV P.G.C.I.L.- GOLA D.C. LINE LOCATION No. 10-18 UNDER ETD-II, GORAKHPUR DUE TO INFRINGING IN THE CORRIDOR OF SAHJANWA-DOHARIGHAT NEW RALWAY LINE PROJECT PROPOSED BY NORTH EASTER

PART-I (SUPPLY ITEMS)

24 Fibre (DWSM) OPGW Fibre Optic Cable

Supply of Hardware set for 24 Fibre OPGW

Joint Box (24 Fibre)

TOWER ACCESSORIES

Number Plate

Danger Plate

Circuit Plate (Set of Two)

Phase Plate in sets of red , blue and yellow for Tension towers

220 KV Pipe type earthing material for towers

PORCELAIN DISC INSULATORS

HARDWARE SUITABLE FOR ACSR ZEBRA

Single Tension fittings

Vibration Dampers

Mid Span compression joint

Repair sleeves

PART-A (FOUNDATION WORKS)

Survey including preparation of schedule of materials , marking of locations (route length) , GPS survey of line with co-ordinates of each tower (the length of line shall be authenticated by GPS Survey)

Soil Investigation Test (All Kind of soil)

Check Survey & Peg marking

Excavation of 220 KV Tower foundation including all earth work , back filling , leveling , watering and dewatering if necessary , preparing of crop and land compensation forms etc .

Stting of Stubs including of all foundation work but excluding the cost of concreting and excavation (Rate per location) for following tower

220 KV DB Zebra

220 KV DC Zebra

Installation of steel reinforcement of concrete foundation including cost of steel bars , cutting , bending & placing etc.

Concreting of Foundation including cost of arrangement of form boxes , shorting , shuttering & back filling , curing including the cost of cement , sand & stone ballast etc. but excluding cost of reinforcement bars .

1:2:4 concreting

1:3:6 (PCC) concreting

PART-B (ERECTION / STRINGING WORKS)

Transportation of all materials from various stores under ETD-II Gorakhpur to site as required .

Erection of 220 KV towers including proper tightening , fixing / punching of number plates , phase plate & danger plates , bird guard , preparing of crop compensation forms etc .

Tack welding of all the bolts up to height of one section of the tower or 5 meter from ground level whichever is higher with three tacks at 1200 seperation of minimum 10 mm thickness with 10mm/12mm electrodes & application of Zinc rich Aluminium paint on the affected surface including cost of all material including tack welding of River Crossing tower & Anchor tower

Grounding work including earth work etc for pipe type grounding including cost of coke & salt.

Laying, stringing, tensioning clamping, jointing etc of ACSR Zebra conductor including hoisting of insulators, fitting of all necessary hardware and accessories i.e. fittings Armour rods, vibration dampers etc.on all Six phases of 220 KV DC lines, preparing of crop compensation forms etc

Laying, stringing, tensioning clamping, jointing including fitting of all necessary Hardware and accessories of OPGW & OFAC,termination at S/S end to end connectivity & testing etc of 132KV & 220 KV lines

PART-C (DISMANTLING WORKS)

Anchoring of section towers by providing stay on cross arms of section towers before removal of old conductors including suitable fixing of stay rod by making CC foundations and removal there of after completion of work (01 Job per Arms)

Construction of scaffolding of sufficient height on both side of H.T/LT line for providing sufficient clearance to conductors during stringing & de-stringing of ACSR Zebra conductor as per requirement

Dismantling of 03 (Three) phases existing ACSR Zebra conductor all hardware fiting and conductor accessories e.g. Armour rod, vibration dampers, insulator strings etc of existing line and re-rolling of dismantled conductor are empty drum on re-use safety transportation of all removed material to UPPTCL store. (Quantity has been taken double for 06 phase)

De-stringing of 24 Fibre OPGW cable along with hardware fitting,joint box and its proper rolling

Dismantling and Stacking of 220 KV Double Circuit towers after cutting of bolt with all safety and precaution along with associated works.Dismantling of the tower is done piece by piece in a safe manner by removing the tack welding/punching, un-fastening the bolts & nuts in a systematic manner, the members so dismantled shall have to be in such a condition that the same can be re-used in future. To the maximum possible extent as cutting/cutting shall have to be avoided. Similarly, while de-stringing the materials are to be removed carefully without damage to the materials (Conductor/Insulators/Hardware fittings etc.). The removed/released materials are to be re-used to the extent possible.

Transportation/Carriage of dismantled material (tower parts) from site to store at 132 KV S/S Kauriram, Gorakhpur along with loading, unloading, stacking

Dismantling of earlier foundation which includes Excavation, breaking of foundation upto 2 mtr depth and removing of crete,cutting, removing of stubes and steel reinforcement, backfilling levelling and making field suitaable for agriculture.