SUPPLY, ERECTION TESTING, COMMISIONING OF 33 KV LINE AND OTHER WORKS OF NEWLY UNDER CONSTRUCTION RECEIVING STATION KAMILGALA UNDER THE JURISDICTION SUB-TRANSMISSION DIVISION (JPDCL) KALAKOTE UNDER UT CAPEX

Amount

33 KV LINE

Supply & Erection of 11 Mtr long ST Poles 410 SP-56 complete along with pit excavation and 1/6 th of pole embedded in soil as per relevant REC standards.

Supply & Erection of 13 Mtr long ST Poles (ST-540- SP69) complete along with pit excavation and 1/6 th of pole embedded in soil as per relevant REC standards.

Providing, Erection and fixing of GI V cross arm with Top bracket including clamps, braces & washers as per relevant Standards

Providing, Erection and fixing of GI Channel cross arm including clamps, braces & washers as per relevant Standards

Supply, Laying, Stringing and binding of 0.1 ACSR Conductor with jumpering at tension points as per relevant standards.

Heavy duty Pressure di-cast aluminium 630A PG-clamps suitable for 0.1 ACSR Conductor

Providing and fixing of 33 kV Polymeric composite Pin Insulator 36kV, 10kN, Lighting Impulse 170kV Positive and 180kV Negative, creepage distance 900mm as per relevant Standards

Providing and fixing of 33 kV Polymeric composite Disc Insulator 36KV,min failing load 70kN, Lighting Impulse 170kV Positive and 180kV Negative, creepage distance 900mm as per relevant Standards complete with suitable tension fittings

Providing and fixing of G.I. Nuts & bolts as per relevant REC standards.

Providing and fitting of danger plates on each pole as per relevant standards

Providing and fitting of Anti climbing devices with clamps on each pole as per relevant standards

Providing and fixing of Earthing Complete of Steel Tubular Poles by GI Pipe 40 mm 3 mtr long through GI Strip 25x3mm as per relevant REC standards.

Providing and painting of 11 mt S.T Poles with two coat of Red Oxide Paint of reputed make as per relevant standards

Providing and painting of 11 mt S.T Poles with two coats of Aluminium Paint of reputed make as per relevant standards

Providing and laying of Cement bottoming for 11 mtr. S.T Poles 1:2:4 mix as per REC standards (0.6 cum/pole)

Providing and fitting of Aluminium Jointing Sleeves as per relevant REC standards

Galvanised Stay Set with 50 x 8 mm stay clamp, guy insulator(2Nos.), anchor plate (300x 300 x 8 mm), nut-bolts, 2 Nos turn-buckles, 1.8m long, 20 mm diameter solid GS stay rod & 7/4.00 mm dia GI stranded wire complete as per relevant standard

Supply & Laying of Guard Netting as per relevant standards.

COMMON MISCELLENOUS WORKS IN 33/11kV SUBSTATIONS

G.I Chainlink Fencing of 33kv yard by way of mass concreting in foundations and chainlink fencing of 6 ft height using G.I Angle of size 65x65x6mm and G.I Flat iron 50x6mm

RCC Cable Duct along with Covers framed by Angle Iron 65m65mx6m 1mx1mx1m for laying of 11 KV XLPE Cable from Power transformer to Control Room and Control Room to O/G Structures as per REC Approved Standard Drawing.

33/11 kV RCC Power Transformer Foundation (1:2:4) as per REC Approved Standard drawing foundation complete job for 3.15 MVA Power Transformer

33 kV RCC Equipment foundation and Gantry foundation as per REC Approved Standard drawing (VCB, Isolators, CTs, PIs, LAs etc) complete job

Earthing Mat using ( GI Flat 75 x 8mm) and (GI earth rod spikes 2.5 m long 20 mm dia), yard area, as per REC Standerd

Earthing Electrode ( 3m long 40mm dia GI pipe) through GI strip (50x6)mm for equipments

33 kV Yard concreting and metalling, yard area by providing, supply & laying 100mm thick PCC 1:4:8 using 20mm normal course aggregating and spreading 100mm three layer of 20mm single sized crushed/broken stone, as per REC Standerd

Cement Conceret R/B Wall as per site requirement on the direction of concerned Engineer

TRANSFORMER BAY OF SINGLE BUS SCHEME

33 KV Vacuum Circuit Breaker (36 kV, 1250A, 26.2 kA, Outdoor Type) with allied accessories and heavy duty pad clamps, reputed make as per REC Standard.

33 kV Isolator with Without Earthing Blade with allied accessories and pad clamps (36kV,1250A, Outdoor, 3 poles, 25 kA) with multi fingered female contacts with tin coated contacts, The isolator is to be provided a locking arrangement for un-authorized operation and auxilliary switch box (set of 3 Nos.), reputed make as per REC Standard.

33 kV Current Transformer (33 kV, 1Φ, Multi Ratio Multi Core, Outdoor) (1 No. per Φ), reputed make as per REC Standard.

30 kV Lightening Arrestors (30 kV, 10kA, Station class, ZnO, Polymer) gap less, reputed make as per REC Standard.

33 kV C&R Panel along with O/C, E/F and differential relays (IEC61850), mimic diagram, Voltmeter, Ammeter, Annunciation Windows with annunciation relays, 3-phase Smart meter -5 Amps, DLMS Compliant with RS-485 port, reputed make as per REC Standard.

33 kV Post Insulator Polymer 36kV,235kV Impulse, creepage distance 1224m

Providing and fixing of Hot-Dip Zinc Coated IS16732:2009 Galvanised Steel Structures as REC Standard.

Providing and fixing of GI Nuts & bolts as per relevant REC standards.

Supply, Laying, Stringing and binding of 0.2 ACSR Conductor for Bus Bar with jumpering at tension points as per relevant standards.

Providing & Fixing of 630A T-clamps suitable for 0.2 ACSR Conductor having 8 no,'s GI bolts of 19mm thick, as per relevant Standards

Providing & Fixing of Aluminium Tention Fittings of 0.2 ACSR Conductor having 8 no,'s GI bolts of 19mm thick, as per Relevant Standards

Providing and fixing of 33 kV Polymeric composite Disc Insulator 36KV,min failing load 70kN, Lighting Impulse 170kV Positive and 180kV Negative, creepage distance 900mm as per relevant Standards complete with suitable tension fittings

Providing & Fixing of GI Earth wire 7/4.00 mm sq, with 4Nos. 13mtr long ST Poles for Shielding of 33KV switch yard along with Power Transformer with proper earthing by GI Pipe 40 mm or G.I Rod 20mm, 3.0 mtr long through welded with GI Strip 25x3 mm

Providing & Fixing of GI flat for earthing 50x6mm with epoxy insulator along with clamps as per relevant Standards

Gee Sab Electricals (BID ID -2444468)

Nazir Hussain (BID ID -2445033)