Published
90
COB/WSD/23G/01/2026
Single Lot
Competitive Bidding Method
Non-consultancy services
Zimbabwe PPDPA Act Rules
Procuring Entity Internal Budget Funding
Rochester and Cowdry Park, Ncema and Fernhill
Electrical Products: Cables and Materials, Power Back-Up Equipment, Transformers, Standby Generators, Consumables & Accessories,Installation, Repair & Maintenance of Electrical Equipment, Generators, Power Back-Up Equipment & Miscellaneous Electrical Repair Works
60 Day(s)
CITY OF BULAWAYO
06-May-2026 08:58 AM
REPAIR AND MAINTENANCE OF TRANSFORMERS
| Project Name: REPAIR AND MAINTENANCE OF TRANSFORMERS |
| Description: REPAIR AND MAINTENANCE OF TRANSFORMERS |
| Item No. | UNSPSC | Lot Name | Lot Description | Quantity | Unit of Measure |
|---|---|---|---|---|---|
| 1 | 15121505 | Transformer oil or insulating oil | Collect oil samples before service and after service for testing, and provide the test report | 10 | Each |
| 2 | 15121505 | Transformer oil or insulating oil | Disconnect the LT and reconnect the LT line on the main transformer before and after repairs | 44 | Each |
| 3 | 15121505 | Transformer oil or insulating oil | Disconnect the HT and Reconnect HT line on both Main transformer before and after repairs | 33 | Each |
| 4 | 15121505 | Transformer oil or insulating oil | Disconnect and Reconnect Auxiliary Transformers before and after repairs | 42 | Each |
| 5 | 15121505 | Transformer oil or insulating oil | Replace gaskets on LT bushings on both the Main transformers and the Auxiliary transformers | 44 | Each |
| 6 | 15121505 | Transformer oil or insulating oil | Replace gaskets on HT bushings on both the Main transformers and Auxiliary transformers | 33 | Each |
| 7 | 15121505 | Transformer oil or insulating oil | Replace damaged cone seals on LT bushings on both the Main transformers and Auxiliary transformers | 10 | Each |
| 8 | 15121505 | Transformer oil or insulating oil | Replace damaged cone seals on HT bushings on both the Main transformers the Auxiliary transformer | 10 | Each |
| 9 | 15121505 | Transformer oil or insulating oil | Perform oil regeneration (filtration/dehydration/degassing) on the Main Transformers and Auxiliary Transformers and supply top up transformer oil | 10 | Each |
| 10 | 15121505 | Transformer oil or insulating oil | Re-tighten all connections feeding and outgoing from all transformers | 1 | Lump Sum |
| 11 | 15121505 | Transformer oil or insulating oil | Change silica gel | 10 | Each |
| 12 | 15121505 | Transformer oil or insulating oil | Perform surge arrestor tests - Confirm mechanical tightness of ground clamp; check for signs of overheating or corrosion. | 18 | Each |
| 13 | 15121505 | Transformer oil or insulating oil | Replacement of membrane (diaphragm) on transformer or conservator pressure release / pressure vacuum valves (PRVs/PVVs) | 5 | Each |
| 14 | 15121505 | Transformer oil or insulating oil | Perform Leak testing and pressure/vacuum testing | 10 | Each |
| 15 | 15121505 | Transformer oil or insulating oil | Provide certificates/lab reports for all oil tests | 10 | Each |
| 16 | 15121505 | Transformer oil or insulating oil | Perform WB, IR and TR Test on 3MVA transformer to ZETDC standards. Provide Results. | 5 | Each |
| 17 | 15121505 | Transformer oil or insulating oil | Perform WB, IR and WB Test on Auxiliary transformer to ZETDC standards. Provide Test Results | 5 | Each |
| 18 | 15121505 | Transformer oil or insulating oil | Perform a thermal imaging test on transformer termination points before attending to the hot spots identified provide results. | 10 | Each |
| 19 | 15121505 | Transformer oil or insulating oil | Perform a thermal imaging on transformer termination points after attending to the hot spots identified and provide results. | 10 | Each |
| 20 | 15121505 | Transformer oil or insulating oil | Clean and paint main and auxiliary transformers externally | 10 | Lump Sum |
| 21 | 15121505 | Transformer oil or insulating oil | Supply weed killer | 40 | Litre |
| 22 | 15121505 | Transformer oil or insulating oil | Supply 400w solar lights sufficient for the transformer yard | 10 | Each |
| 23 | 15121505 | Transformer oil or insulating oil | Engage ZETDC for Certifications | 5 | Each |
| 24 | 15121505 | Transformer oil or insulating oil | Commission the transformers | 10 | Each |
| 25 | 15121505 | Transformer oil or insulating oil | LOT 1 Ncema and Fernhill Repair and Maintenance of 3 MVA 88/6.6 kV Transformers and 50kva 6.6/0.4kv auxillary transformers Contingencies 2.5% | 1 | Each |
| 26 | 15121505 | Transformer oil or insulating oil | Collect oil samples before service and after service for testing, and provide the test report | 2 | Each |
| 27 | 15121505 | Transformer oil or insulating oil | Disconnect the LT and Reconnect the LT line before and after repairs | 8 | Each |
| 28 | 15121505 | Transformer oil or insulating oil | Disconnect the HT and Reconnect HT line before and after repairs | 6 | Each |
| 29 | 15121505 | Transformer oil or insulating oil | Replace gasket on main transformer and arrest oil leaks | 1 | Lump Sum |
| 30 | 15121505 | Transformer oil or insulating oil | Replace damaged pin insulators on both HV and LV sides | 14 | Each |
| 31 | 15121505 | Transformer oil or insulating oil | Replace damaged seals on HV and LV sides | 14 | Each |
| 32 | 15121505 | Transformer oil or insulating oil | Re-tighten all connections feeding and outgoing from all transformers | 1 | Lump Sum |
| 33 | 15121505 | Transformer oil or insulating oil | Change silica gel | 2 | Each |
| 34 | 15121505 | Transformer oil or insulating oil | Perform Bulchoz service and instruments | 2 | Each |
| 35 | 15121505 | Transformer oil or insulating oil | Perform surge arrestor tests - Confirm mechanical tightness of ground clamp; check for signs of overheating or corrosion. | 4 | Each |
| 36 | 15121505 | Transformer oil or insulating oil | Replacement of membrane (diaphragm) on transformer or conservator pressure release / pressure vacuum valves (PRVs/PVVs) | 2 | Each |
| 37 | 15121505 | Transformer oil or insulating oil | Perform Leak testing and pressure/vacuum testing | 2 | Lump Sum |
| 38 | 15121505 | Transformer oil or insulating oil | Provide certificates/lab reports for all oil tests | 2 | Each |
| 39 | 15121505 | Transformer oil or insulating oil | Perform WB, IR and TR Test on 1MVA transformer to ZETDC standards. Provide Results. | 2 | Each |
| 40 | 15121505 | Transformer oil or insulating oil | Clean and paint transformers externally | 2 | Lump Sum |
| 41 | 15121505 | Transformer oil or insulating oil | Supply weed killer | 30 | Litre |
| 42 | 15121505 | Transformer oil or insulating oil | Supply 400w solar lights sufficient for the transformer yard | 8 | Each |
| 43 | 15121505 | Transformer oil or insulating oil | Commission the transformers | 2 | Each |
| 44 | 15121505 | Transformer oil or insulating oil | LOT 2 Rochester and Cowdry Park Repair and Maintenance of 1 MVA 11/3.3 kV Transformers Contingencies 2.5% | 1 | Each |