Catalogue / Substation & line O&M
Switchyard preventive maintenance, Core 2 seriesSample
by Doaba Engineering Services (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Switchyard preventive maintenance from Doaba, Core 2 series: 4 voltage level options between 11 kV and 132 kV. Design: oil leak and silica gel checks, outage planning with the utility and licensed supervisory staff. Suited to renewable pooling substations, railway and metro sub-stations and industrial captive substations. Delivered in line with CEA (Measures relating to Safety) Regulations, CEA (Grid Standards) Regulations and IS 10028 (Transformer Installation). Mobilisation Mobilisation in 2-3 weeks; serves West India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Doaba
- Model
- DOA-8E4 series
- Listing type
- Service
- Unit
- month
- Minimum order
- 1 month
- Lead time
- Mobilisation in 2-3 weeks
- Warranty
- Service credits for avoidable outages
- Standards
- CEA (Measures relating to Safety) Regulations, CEA (Grid Standards) Regulations, IS 10028 (Transformer Installation)
- Delivers to
- West India
- GST rate
- 18 %
- Country of origin
- India (imported sub-assemblies)
- Delivery terms
- Site mobilisation as per work order
- Returns
- Re-work of defective scope at no cost
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Voltage level11 kVDOA-8E4-01 | Voltage level: 11 kV | 1 month · Mobilisation in 2-3 weeks | for verified buyers |
| Voltage level33 kVDOA-8E4-02 | Voltage level: 33 kV | 1 month · Mobilisation in 2-3 weeks | for verified buyers |
| Voltage level66 kVDOA-8E4-03 | Voltage level: 66 kV | 1 month · Baseline condition audit first | for verified buyers |
| Voltage level132 kVDOA-8E4-04 | Voltage level: 132 kV | 1 month · Baseline condition audit first | for verified buyers |
Specifications
| Voltage level | 11 kV to 132 kV (see variants) |
|---|---|
| Scope | Operation, maintenance and statutory compliance |
| Shift pattern | 3 shifts, 24x7made to order: General shift plus on-call |
| Manpower | Engineer plus 6 operatorsmade to order: Two engineers plus 12 staff |
| Line patrolling | Monthly foot patrolmade to order: Quarterly drone patrol |
| Testing | Thermography twice a year |
| Statutory records | Log books, permits, shutdown register |
| Spares | Consumables includedmade to order: Critical spares by owner |
| Response time | 2 hours for trip |
| Reporting | Real-time dashboards |
| Term | 3 yearsmade to order: 1 year |