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ADB projects

Package B

Project Cost: Rs. 34,48,05,961.00

Effective Date (Date of Advance Payment): 02.07.2012

Contractor Name – M/s A2Z Maintenance & Engineering Services Ltd.(Contract Agreement Signed on 18.04.2012)

The proposed work shall include:

  • Construction of New 33/11 kV outdoor Sub Station at Naurangabagh (Bettiah) and approachroads.
  • Construction of control room and electrification at Motihari & Bettiah (1 no.each town)
  • Replacement of 33/11 kV transformers with those of higher capacity so that the increasedcapacity could be created in the limited space of the existing substations, alongwiththe associated switchgear.
  • Laying additional 33 kV line to the existing ones.
  • Replacement of the conductor and the damaged insulators, etc., addition of the polesmid span, wherever required, of the existing 33 kV line.
  • Laying of additional 11 kV line to the existing ones.
  • Replacement of the conductor and the damaged insulator, etc., addition of polesmid span, wherever required, of the existing 11 kV line.
  • Laying additional LT line to the existing ones.
  • Replacement of the conductor, damaged insulators, poles, earthing, stay etc., andproviding junction boxes at the poles for extending service connections to the consumers.
  • Installation of additional DTRs with provision for LT boxes with MCCBs and metersfor energy audit along with the replacement of the damaged/ defective AB switches,LT boxes, D.O. fuses etc., in respect of the existing DTRs.
  • Providing single phase static meters in the premises of the consumers where themeters have not been provide so far along with the replacement of the defectivemeters with static meters in the premises of all categories of consumers includingthe LT power consumers and the consumers supplied on HT.
  • The existing arrangement at the sub stations for R&M has been shown in the SLDs(single line diagram) also proposed arrangements at the new as well as the existingSub Stations is shown in separate SLDs.

33/11 KV Sub Station in Motihari Town

Sl.No.Name of Sub StationExiting capacityProposed augmented capacity
1Motihari3x5=15 MVA2x10 = 20 MVA

33/11 KV Sub Station in BettiahTown

Sl.No.Name of Sub StationExiting capacityProposed augmented capacity
1Mansatola3x5 = 15 MVA2x10= 20 MVA
2NaurangaNew2x10= 20 MVA

33 kV, 11 kV and LT lines in Motihari Town

Sl. No.ParticularsUnitNewR&M
133 kV LinesKMNilNil
211 kV LinesKM550
3LT lineKM2062
4DTRsNo8560

33 kV, 11 kV and LT lines in Bettiah Town

Sl. No.ParticularsUnitNewR&M
133 kV LinesKM62
211 kV LinesKM545
3LT lineKM2065
4DTRsNo7560

Consumer metering in Motihari & Bettiah Town

Sl.No.ParticularsNo (New & replacement)
MotihariBettiah
1LT Single phase40284191
2LT 3 phase11861232
3LT CT operated5759
4HT consumer127

Package C

Project Cost: Rs. 56,29,05,891.22

Effective Date (Date of Advance Payment): 12.10.2012

Contractor Name – M/s A2Z Maintenance & Engineering Services Ltd.(Contract Agreement Signed on 20.07.2012)

The proposed work shall include:

  • Construction of new 33/11 kV power sub station at Magardahi (Samastipur) and NearDM Residence (Begusarai) and approach road.
  • Construction of control room at Mohanpur, Jitwarpur and Begusarai.
  • Construction of new 33 kV line and replacement of 33/11 kV transformers with thoseof higher capacity so that the increased capacity could be created in the limitedspace of the existing substations, alongwith the associated switchgear.
  • Laying additional 33 kV line to the existing ones.
  • Replacement of the conductor and the damaged insulators, etc., addition of the polesmid span, wherever required, of the existing 33 kV line.
  • Laying of additional 11 kV line to the existing ones.
  • Replacement of the conductor and the damaged insulator, etc., addition of polesmid span, wherever required, of the existing 11 kV line.
  • Laying of additional LT line to the existing ones.
  • Replacement of the conductor, damaged insulators, poles, earthing, stay etc., andproviding junction boxes at the poles for extending service connections to the consumers.
  • Installation of additional DTRs with provision for LT boxes with MCCBs and metersfor energy audit along with the replacement of the damaged/ defective AB switches,LT boxes, D.O. fuses etc., in respect of the existing DTRs.
  • Providing single phase static meters in the premises of the consumers where themeters have not been provide so far along with the replacement of the defectivemeters with static meters in the premises of all categories of consumers includingthe LT power consumers and the consumers supplied on HT.
  • The existing arrangement at the sub stations for R&M has been shown in the SLDs(single line diagram) also proposed arrangements at the new as well as the existingSub Stations is shown in separate SLDs.

33/11 KV Sub Station in Samastipur Town

Sl.No.Name of Sub StationExiting capacityProposed augmented capacity
1Mohanpur3X5 + 1X 3.15 = 18.15 MVA2 X 10 = 20 MVA
2Jitwarpur1x5+1x3.15 = 8.15 MVA2 X 10 = 20 MVA
3MagardahiNew2x10=20 MVA

33/11 KV Sub Station in Begusarai Town

Sl.No.Name of Sub StationExiting capacityProposed augmented capacity
1Begusarai5X5 = 25 MVA3 X 10 = 30 MVA
2Near DM ResidenceNew2 X 10 = 20 MVA

33 kV, 11 kV and LT lines in Samastipur Town

Sl. No.ParticularsUnitNewR&M
133 kV LinesKM1610.6
211 kV LinesKM1480
3LT lineKM1563
4DTRsNo10140

33 kV, 11 kV and LT lines in Begusarai Town

Sl. No.ParticularsUnitNewR&M
133 kV LinesKM44.2510
211 kV LinesKM2066
3LT lineKM1568
4DTRsNo5040

Consumer metering in Samastipur & Begusarai Town

Sl.No.ParticularsNo (New & replacement)
SamastipurBegusarai
1LT Single phase875714995
2LT 3 phase588420
3LT CT operated2848
4HT consumerNil6