Creation of dedicated 01 MVA, 33/0.433 KV Sub Station along with Construction of 33kV Tap line to PHC Chanapora

Amount

Supply, Installation, Testing & Commissioning of 1MVA ,33/0.433 kV, with automatic OLTC on 33 kV side (min 35 % & max 5%) with a provision of 3 phase backup supply Transformer with Bimetallic Terminal Connectors Energy Level-2, Copper wound, and with LV Cable Box having detachable Aluminium Gland plate. Transformer should have arrangement for vertical take off of cables

Supply, Installation, Testing & Commissioning of 11 mtr. Long Steel Tubular Pole with welded steel base plate of Designation 410 SP -56

Providing & Laying of LT cables 630 Sqmm 1 core AI XLPE in HDPE corrugated pipe of required diameter by way of trench excavation in hard soil (WXD = 0.3mx0.45m). The job further includes refilling back the same and removal of surplus excavated material and Tile Work Rectification/restoration at few intersections, whereever required to be executed) Cost includes laying of HDPE through drilling as well as LT cable laying, clamps, thimbes etc

Supply, Installation, Testing & Commissioning of 33kV GO, AB Switch 3-Phase, 3-Pole, 200 Amp, Vertical Type

Supply, Installation, Testing & Commissioning of 33 kV Isolator, with Earthing Blade (36kV,1250 A, Outdoor ,3 poles,25 kA).

Supply, Installation, Testing & Commissioning of 33 kV, Lightening Arrestor,(30 kV ,10 kA ,Station class,ZnO, Polymer) gapless

Supply, Installation, Testing & Commissioning of 33KV Drop out set

Supply,Laying,Testing, and commissioning of 33kV Polymeric composite Pin Insulator 36kV, 10kN, Lighting Impulse 170kV Positive and 180kV Negative, creepage distance 900mm

Supply,Laying,Testing, and commissioning of33kV Polymeric composite Disc Insulator 36kV,min failing load 70kN, Lighting Impulse 170kV Positive and 180kV Negative, creepage distance 900mm with tension fittings

Providing and fixing of GI V cross-arm/ cantilever with top Bracket including clamp 100x50x50x6mm

Providing and fixing of GI Channel X-arm with belting /Brace Angle Iron (100x50x50x6)mm , (75x40x40x6)mm & (65x65x6)mm for construction of substation bed, posts & Isolator AS PER REC STANDARD

Providing and fixing of Galvanized nuts and bolts

Providing,Laying,stringing ,tensioning and binding of 0.1 ACSR Conductor (Dog) as per REC construction standards

Providing and fixing of 1000 Amp MCCB 4P 36kA with allied accessories alongwith suitable size of enclosure at sub station.The item includes its thimble as required at taping point for incoming & outgoing cables

Providing and fixing of PG Clamps for 100 mm² ACSR Conductor

Providing and fixing of Earthing of poles complete by GI pipe 40mm 3 mtr long through GI strip.(25*3mm) as per REC standards

Providing and fixing of Danger plates with clamps as per REC standards

Providing and fixing of Anti climbing device as per REC standards

Providing and fixing of Guard netting as per REC standards

Providing and Painting of ST Poles with one coat of red oxide and two coats of aluminum paint to give even shade.

Providing and fixing of Sundry items

Providing and fixing of Earthing of 1 MVA SubStation--Excavation of earth pit of dia 650 mm & depth 3000 mm, installation of Earthing pipe of 40 mm Nominal bore & 4mm wall thickness & length 2.5 mtr long as Per IS 1239.GI Strip for neutral earthing of size 75 mm x10 mm & 50mm x 6 mm for connection of transformer body,G.O Set & lightening arrestor as per IS 2629/85, GI nuts & bolts,refilled with earth enhancement materials and earth Chamber made of brick masonary with RCC slab cover.

Providing and fixing of GI pipe 150mm dia 5.9mm thick 3.65m long for Pole Butts as per REC standards

Providing and laying of Cement bottoming of 11mtr long ST Poles in mix 1:2:4 using 20mm crush stone aggregate including shuttering ,form work etc. as per REC standards 0.6cum /pole

33 kV HT METERING CT AND PT OPERATED.

1. Supply, Installation, Testing & Commissioning of A) 33kV CT/PT Combined Unit, 3-phase, 50 Hz, ONAN cooled, outdoor type. The combined unit, CTs and PTs shall be as per below specifications. The CT ratio shall be 20/5 for 500 KVA and 1 MVA, 33/0.433kV Transformers The PT shall be 33 kV/110 volts / √3, Three phase PT with rated burden 20VA per phase with proper colour coded identification. PTs shall be of uniform insulating and One minute power frequency dry withstand voltage 70kV B) 3Ph4 Wire HT CT/PT operated Fully static Smart Tri-Vector Energymeters DLMS Compliant Category 'C' with RS232 port . 33kV/√3 /110V/√3, Ph-N (3P, 4W) meters for measurement of different electrical parameters including Active Energy (kWh/ MWh), Reactive Energy (kVArh/MVArh), Apparent Energy (kVAh/ MVAh) etc. 2. Providing & fixing of : A) Metering cubicle for 3phase 4 wire metering system suitable for 3 phase, HT, tri-vector meter with sealing and locking facility made of MS Sheet steel thickness not less than 2mm duly power coat painted suitable for indoor as well as outdoor as per the site requirement. The cubicle shall be painted through 7-tank process. The External dimensions should be adequate. Provided with synthetic or semi synthetic gasket firmly glued to the sufrace, Dust, weather and Vermin proof and shall comply degree of protection IP 65 both the chambers having one sided hinged door arrangments. The panel shall be provided with two No MS channels of size 100 x 50 mm on the front and rear sides duly welded and 4 No of lifting hooks. It should be possible to take meter reading manually, through CMRI and computer without opening dooriIncluding supply and fixing of 75mm GI pipe between CT/PT combined unit and metering cubicle for CT/PT wiring to tri-vector meter. B) GI Channels for mounting CT PT Combined Units with nuts and bolts of size (100 x 50 x 5 mm) C) PVC Copper wire flexible multi-strand of required size for secondary connections for CT wiring the minimum wire size shall be 4 mm2 (RYB) and for PT wiring minimum wire size shall be 2.5 mm2 (RYB). D) Copper Lugs preferably ring type duly crimped for termination of wires and tapes COMPLETE JOB AS PER REC STANDARD

Providing & fixing of ACSR Jumpers with hardware fittings like ACSR to CT/PT unit bush clamp, other hardwares as per site requirement

Providing & fixing of Earthing by way of 40 mm GI Pipe earthing . Job includes , excavation, enhancement materail and Main Hole Chamber (500x450x600)mm with frame and cover.

M/S SOFI SONS

M/S R R ELECTRICAL SERVICES

BEE EMM TRADERS

M/s Bhat Engineering Works