WBPHE/EE/SMD/NIeT-06 of 2025-26/7

Amount

Charges for dismentaling the foundation of existing damaged voltage stabiliser after disconnection of power supply as per direction of EIC

Supply and delivery at site of 20 KVA 3 phase, Oil cooled type servo motor operated copper wound line voltage corrector conforming to IS-9815 (Pt-)- 1994 suitable for unbalanced input voltage with following specification including first filling of oil as per IS-335 where applicable. [Make: Approved make of P.H.E. Dte.]

i) Lamp indication: For input and output should be provided [ 3 lamp per side] j) MCCB protection: For input side. k) Load protection: HRC fuse on each output phase should be available. l) Output over shoot: Beyond 210V to 255 volt/phase in case of "MANUAL MODE" and voltage protection "AUTO MODE" operation. m) VISUAL indication for under voltage over voltage of output. n) Manual mode: Up & Down correction with O/P voltage over shoot protection beyond 210V-255Volts per phase o) Nature of cooling: Oil cooled system p) Electric current over load protection q) Circuit for delay outputr) Input high voltage cut off above 470 volt s) Mode of Operation: AUTO/ MANUAL with a provision to restore the normal working of the unit " STANDBY OPERATION" should be available in case of any Electronic failure in auto mode t) Auto Mode: Normal / Standby. (Manufacturing test certificate should be provided at the time of delivery).

Supply and delivery of following materials:

100 Amps 4 pole on load change over switch [Make: Approved make of P.H.E. Dte.]

100 Amps Rewirable type TPN main switch [Make: Approved make of P.H.E. Dte.]

100 Amps 4 way Copper busbar chamber box by 16 SWG Sheet steel enclosure including poecelain chair etc. with painting complete as per direction of the EIC [Make: Approved make of P.H.E. Dte.]

35 sq. mm. 3.5 core 1.1 KV grade XLPE insulated Al. Ar. Cable as per IS:7098 (Part-II) 1988 with latest amendments [Make: Approved make of P.H.E. Dte.]

Making brick built foundation with supplying of all required materials suitable for the above voltage stabilizer by (4:1) cement mortar including down foundation bolts (if required) and plaster with neat cement finish as per direction of EIC.

Fitting fixing and connection of above supplied changeover switch, busbar and main switch as in item No. 3.01 to 3.03 on the wall by supplying all necessary materilas to complete the job.

Installation of the above voltage stabilizer of item No. 2 on the foundation including connection complete as per direction of EIC.

Drawing and connection of cable on wall as in item No.3.04 and all connection complete with all equipments as per requirement and as per direction.

Making joints of the cable by supplying compression type gland thimple, socket etc. as per requirement and as per direction.

Double earthing the whole installation complying with IE rules including supplying of all necessary earthing materials to complete the job as per direction of EIC.

Carrying charges of old damaged voltage stabiliser from working site ot nearest store as per direction of EIC. This cost also includes loading unloadin both the ends.

Add GST @ 18%

Add CESS @ 1%

DAS ENTERPRISE (BID ID -6456715)

ASHUTOSH DAS AND CO. (BID ID -6454219)