Power Development Department Tender

Providing & fixing of Anticlimbing devices

Providing and laying of Cement bottoming of poles in 1:2:4 mix,0.5cum/pole

Providing & fixing of Earthing of poles complete J2 type

Providing & Painting of poles with one coat of red oxide and two coats of alumnium paint.

SITC of 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 60/5A ,three with a rated burden of 7VA. 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

SITC of Metering cubicle for 3phase 4 wire metering system suitable for 2No. 3 phase, HT, tri-vector meters 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 to house 2No. meters. 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 door. Including supply and fixing of 75mm GI pipe between CT/PT combined unit and metering cubicle for CT/PT wiring to tri-vector meter.

Providing & fixing of MS Steel for mounting CT PT Combined Unit on H-Frame underline with nuts and bolts (size 100 x 50 x 5 mm)

SITC of 3Ph4 Wire HT CT/PT operated Fully static Smart Tri-Vector Energy meters DLMS Compliant Category 'C' with RS232 port . 33kV/√3 /110V/√3, Ph-N (3P, 4W) meter for measurement of different electrical parameters including Active Energy (kWh/ MWh), Reactive Energy (kVArh/MVArh), Apparent Energy (kVAh/ MVAh) etc. (make L&T, Secure or ABB) (Note:-One standby meter added as suggested by the concerned Garrison officials)

SITC of 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).

Providing fixing of lugs,ferrules etc

SITC of ACSR 0.05/0.1 for Jumpers with hardware fittings like ACSR to CT/PT unit bush clamp, other hardwares as per site requirement

Providing & fixing of Earthing 40 mm GI Pipe or 20 mm GI rod, 2.5 mtr for CT/PT combination unit through 25x5mm GI flat iron and earthing of metering cubicle through two No 25 x 5 mm GI flat iron.