Installation of 3.3kV-550V UG Substation (4EL-12ER) and Commissioning of LHCM-2 Package Power Circuit at D-1 Panel, RVIIA Seam, Shyamsundarpur Colliery

Eastern Coalfields Limited · Shyamsundarpur Colliery, West Bengal · Electrical Equipment & Supplies · open

Key facts

Tender value: ₹14.2L
EMD: ₹18K
Published: 28 Oct 2026
Closing date: 11 Nov 2026
Status: open
Status as of: 07 Nov 2026 23:30 UTC
Ministry: Ministry of Coal
Office: ECL Bankola Area

Description

Installation of an underground 3.3kV/550V substation and commissioning of the LHCM-2 package power circuit at D-1 Panel, RVIIA Seam, Shyamsundarpur Colliery. The work includes underground transport, installation and rerouting of power cables and electrical equipment.

Eligibility & requirements

Startup relaxation: No
MSE relaxation: No

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Commercial terms

Bid type: Item Rate
Evaluation: L1 based on Cost to Company (CTC)
Make in India (MII): No
MSE preference: No

Line items (26)

2 — Qty: 3 4
Collection of trolleys and lifting to surface from RVIIA seam for loading of power cables at unit workshop/store. — Qty: 1 Ls
Loading of 3.3 kV Grade, 70 sq.mm PVCDWA power cable 3 × 250 m (three reels) on trolley in workshop, transporting from workshop to pit top and lowering to pit bottom of Pit No. 3 in RVII seam. — Qty: 1 Ls
Transporting of 3.3 kV Grade, 70 sq.mm PVCDWA power cable 3 × 250 m (three reels) on trolley from Pit No. 3 bottom in RVII seam to 18EL/9ED in RVIIA seam. — Qty: 1 Ls
Unreeling and laying of 3.3 kV Grade, 70 sq.mm PVCDWA power cable 3 × 250 m = 750 m from 20EL/9ER substation to 4EL/12ER in RVIIA seam. — Qty: 1 Ls
Transporting of 3.3kV Grade, 70sq.mm.PVCDWA Power cable 3 X 250m=750m from 20EL/9ER substation to 4EL/12ER in RVIIA seam — Qty: 1 Ls
Transportation of four 3.3 kV FLP VCB breakers from workshop: (i )collection of trolley; (ii)loading and transport to pit top and lowering through Pit No. 3 after cage dismantling/refitting; then (iii)transport from pit bottom to 18EL/11ER and manually on floor at 20EL/9ER and 4EL/12ER. — Qty: 1 Ls
Collection of trolleys and lifting to surface from RVIIA seam near Bonbahal pump to workshop for loading of 3.3 kV/550 V, 315 kVA TSU and its breaker. — Qty: 1 Ls
Dismantling of primary breaker from 3.3 kV/550 V, 315 kVA TSU, loading on two sets of trolleys lifted from underground and transporting to pit top for lowering. — Qty: 1 Ls
Dismantling of cage and lowering of 3.3 kV/550 V, 315 kVA TSU and its breaker from pit top to pit bottom of Pit No. 3 in RVII seam, then refitting of cage after lowering — Qty: 1 Ls
Transportation of 3.3kV/550V, 315kVA and its breaker i) from pit bottom of pit no 3 to 4L/4WD (in RVII seam) over track line manually . Then from 4L/4WD (in RVII seam) to 9L/4WD (in RVII A seam)drift over track line and haulage (iv) then transportation from drift bottom at 9EL/4WD to 18EL/11ED over track line & haulage (v) transportation from 18EL/11ED to 4EL/12ER manually on floor — Qty: 1 Ls
Assembling of TSU's primary breaker and placing it in position. — Qty: 1 Ls
Transportation of four 550 V FLP breakers and one lighting unit from workshop;(i) collection of trolley, (ii)loading and transportation to pit top, lowering through Pit No. 3 after cage dismantling/refitting,(iii)transport from pit bottom (RVII seam to 18EL/11ER (RVIIA seam) over haulage lines, and manually on floor at 4EL/12ER — Qty: 1 Ls
Hanging of power cable on roof and sides, considering electrical safety and housekeeping of mines. — Qty: 1 Ls
Power Circuit Setup Behind Load centre of LHCM-1 in D-1 panel with marching from TG-2 Panel Shifting of in-seam bore-hole cable in RVII seam from old location to new location to release additional power cable; lifting from old bore hole and lowering into new bore hole using structural derrick and winch system in upper RVII seam. — Qty: 1 Ls
Safely lowering of PVCDWA power cable from RVII seam to RVIIA seam through bore hole using a structural derrick and winch system in upper RVII seam. — Qty: 1 Ls
Collection of trolley, Loading and Transporting of 3.3kV FLP VCB from 17WL/8WD substation to 6EL/9ER manually on floor, unloading and positioning by cleaning the route of transportation — Qty: 1 Ls
Dismantling hanged cable from roof, Rerouting of 3.3kV grade, 95sq.mm. Power cable for load centre laid from 17WL/8WD substation to 20WL/12WD along 20L, rerouting from 17WL/8WD substation to 20WL/12WD along 17L including crossing of installed conveyor belt as shown in mine plan. (Appx.315metre with straight through joint box) — Qty: 1 Ls
Handling of power cable behind load centre from 35WL/12WD in RVIIA seam to 18L/12WD, 18WL/11WD, 16WL/11WD, 15EL/12ER, 7EL/12ER, 7EL/9ER and 3EL/9ER in RVIIA seam. — Qty: 1 Ls
Rerouting of 3.3 kV Grade, 95 sq.mm power cable for load centre from 17WL to 17WL/8WD substation along 16WL to 17WL/8WD substation to release 280 m of power cable along the marching route. — Qty: 1 Ls

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