Power Development Department Tender

Providing and fixing of GI channel X- cross-arm including Clamps and braces for isolators, cable support and frame.

Supply, installation, testing and commissioning of 33 kV Isolator with Earthing Blade (36kV,800A, Outdoor,3 poles, 25 kA) of reputed make.

Proviidng,Laying,stringing ,tensioning and binding of 100 Sqmm ACSR Conductor as per REC construction standard (with latest amendments if any)

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

Supply,installation,testing and commissioning of 33kV Polymeric composite Disc Insulator 36kV,min failing load 70kN, Lighting Impulse 170kV Positive and 180kV Negative, creepage distance 900mm WITH FITTINGS

Providing and fixing of Gavanized Nuts & Bolts of sorts as per site requirements

Providing and fixing of Danger Plates with clamps of standard make

Providing and fixing of Anti Climbing Devices with clamps of standard make

Providing and fixing of Earthing Complete by GI Pipe 40 mm 3 mtr long through GI Strip 25x3mm

Providing and painting of Red Oxide to give even shade of reputed brand

Providing and painting of Aluminium Paint to give even shade of reputed brand

Providing and laying of Cement bottoming 1:2:4 mix as per REC standards .78cum /pole

Providing and laying of Cement bottoming 1:2:4 mix as per REC standards .78cum /pole

Supply, installation, testing and commissioning of 33 kV Lightening Arrestors (33 kV, 10kA, Station class, ZnO, Polymer) gap less (1 No. per Φ) of reputed make.

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 60/5 for 1.6MVA, 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 E) ACSR Jumpers with hardware fittings like ACSR to CT/PT unit bush clamp, other hardwares as per site requirement. F) Earthing by way of 40 mm 2.5 mtr long GI Pipe. Job includes , excavation, enhancement material and Main Hole Chamber (500x450x600)mm with frame and cover. COMPLETE JOB AS PER REC STANDARD

Providing and fixing of P.G Clamps suitable for 0.1 ACSR

Providing and fixing of Guard Netting as per REC standard