Closed
30
ZPC/HPS /DPA20339
Single Lot
Direct Procurement Method
Non Consulting Services
Zimbabwe PPDPA Act Rules
Internally Generated Funds
DDP HWANGE
Plant and Equipment Maintenance
2 Month(s)
ZIMBABWE POWER COMPANY
24-Sep-2024 09:42 AM
BEARING REMETALING SERVICE
| Project Name: BEARING REMETALING SERVICE |
| Description: BEARING REMETALING SERVICE |
| Item No. | UNSPSC | Lot Name | Lot Description | Quantity | Unit of Measure |
|---|---|---|---|---|---|
| 1 | 31171500 | Bearings | 6 off 110mm diameter sleeve bearing to fit on EFNLB gr. 11 w-diameter 110 motor bearing housing. Each to come complete with oil thrower ring. None-locating bearing. 6 off 110mm diameter sleeve bearing to fit on EFNLB gr. 11 w-diameter 110 motor bearing housing. Each to come complete with oil thrower ring. Locating bearing. | 12 | Each |
| 2 | 31171500 | Bearings | Re-metalling 6 INCH draught fan bearings CW oil thrower rings and labyrinth seals. Bore diameter- 125mm, Spherical Seated. Size 14/125. | 8 | Each |
| 3 | 31171500 | Bearings | Re-metal supplied spherical seated white metal bearings. bearing size-4 INCH Make -sirocco water-cooled ring lubricated. Machine to standard clearances for the above size. Machine oil wash ways and clean oil thrower rings guides locating grooves. Supply oil thrower rings (split type) for the same-mtl phosphor bronze. | 12 | Each |
| 4 | 31171500 | Bearings | Recondition supplied 200mm white metal water-cooled spherical seated bearings. quantity=6 (six) off 1. Copy the oil wedges, oil wash ways, thrust faces grooves from a reasonable sample. Angles, depth & profiles. 2. De-metal to remove old white metal. 3. Pressure test to detect any external or internal flaws before re-metalling. 4. Recast the white metal using Jupiter 2. 5. machine to final dimensions bore=200.33mm +/-.03mm;thrust faces=323.90/324.00mm 6. Thrust faces oil grooves=6 @60 deg equi-space as per drg. 7. Ensure the matching halves are bolted on with fitted bolts with match marks during the machining processes. 8. NDT certificate to be issued and final inspections to be verified by purchaser prior to dispatching to HWANGE power station. Thus to ascertain the correct bonding of the white metal to the casting or parent metal. 9. Ensure the oil rings guide grooves are clean upon completion of all reconditioning operations. | 6 | Each |
| 5 | 31171500 | Bearings | Re-metal and machine to standard dimensions the supplied three(3) off white metal bearings serial #rh bp 9727/180-6 hb 151150 wmb0019995rl bp 9727/180-6 hb 1511150 1m wmb 001998 bp 9727/180-6 hb 151150 wmb 001997 Pressure test the water jackets prior to re-metalling. bore to suit a standard shaft journal of 180mm with a minimum clearance of 0.28mm bore size=180.217/180.28mm (nb min/max) Machine oil wedges, wash ways and thrust grooves on thrust faces. | 4 | Each |
| 6 | 31171500 | Bearings | Supply and Deliver new bearings Electric Motor with Bearing Housing Labyrinth Seals as detailed Bearing Diameter 110mm Bearing Clearance 0.12/0/18 Customer Ref GB Bearings R10046 HB Ref 14/0908 Drawing No. BP8339-1 Quantity- 2 DE and 2 NDE | 4 | Each |