Supply Installation testing and commissioning for installation of 2 Nos HT Meter for New Terminal Building at Leh Airport on full turnkey basis under Deposit Work 2025 26

Amount

HT Metering

11kV Pilfer resistant metering cubicle for 3phase 4 wire metering system 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. Panel having two compartments upper Meter compartment and lower CT/PT compartment. 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 metering 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 the LV chamber door.

Single Phase, Single core, single ratio, Epoxy resin Cast Current Transformers suitable for 11kV, copper wound primary type with rated burden 5VA and accuracy class 0.5 or better and conforming to IS2705 (part-I & II) amended upto date. ISF shall be upto 5 The CT ratio shall be as under: i. 150/5 = 2 Sets

11kV/ 110 V, Three phase epoxy resin cast PT with rated burden 15VA per phase and accuracy class 0.5 or better and conforming to IS:3156 (part-I&II) amended upto date with proper colour coded identification. PTs shall be of uniform insulating and withstand separate source 23kV pf for one minute.

Bus Bar details: CTs bus bar:- 40x6 mm copper strip or adequate size PTs bus bar: Copper wire 8 SWG or 30x0.6mm copper flat strip to connect PT terminal or adequate size duly insulated by the monoplast tape

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).

Copper Lugs preferably ring type duly crimped for termination of wires and tapes

Grounding bus of minimum 40mm copper, 25cm long fixed to the unit in HV chamber. The CTs, PT meter and 11kV Cable sheath shall be grounded to the bus through grounding wire (green) of min size 10mm2

3Ph3 Wire HT CT/PT operated Fully static Smart Tri-Vector Energymeters DLMS Compliant Category 'C' with RS232 port for modem compatibility. 11kV/110V, Ph-Ph (3P,3W) meters for measurement of different electrical parameters including Active Energy (kWh/ MWh), Reactive Energy (kVArh/MVArh), Apparent Energy (kVAh/ MVAh) etc. (make L&T, Secure, ABB)

Independent flexible PVC pipes for CT wiring and PT wiring of appropriate size from HT compartment to meter compartment.

Pedestal made out of MS Channel of size 75 x 40 mm or angle iron of size 65 x 65 x 5 mm, duly painted as per site requirement for mounting of metering panel including concrete foundation wherever required including cost of nuts and bolts

3 Core 11 kV Aluminium cable XLPE armoured 35 mm2 including cost of clamp for its fixing where ever required.

Cable termination kits suitable for 3 x 35 mm2 XLPE Cable (indoor/outdoor)

Earthing of HT Meter Chamber--Excavation of earth pit of dia 650mm & 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 meter chamber earthing of size 25 mm x 3 mm. GI nut & bolts, refilled with earth enhancement materials and earth Chamber made of brick masonary with RCC slab cover.

M/S STANZIN TSULTIM GOVT CONTRACTOR (BID ID -168083)

M/S STANZIN ZATSAL (BID ID -167731)