1. The average amount of water provided by uMngeni-uThukela Water to the eThekwini Metropolitan Municipality is summarised in the table below:
|
Month |
Targeted Volume in kl/day |
No. of days |
Monthly Target in kl |
Actual Supplied Volume in kl |
Monthly Variance in kl |
|
January |
1 105 000 |
28 |
30,940,000 |
32,126,382 |
1,186,382 |
|
February |
1 105 000 |
31 |
34,472,000 |
34,255,000 |
-217,000 |
|
March |
1 105 000 |
28 |
31,136,000 |
32,126,382 |
990,382 |
|
April |
1 105 000 |
31 |
34,472,000 |
34,255,000 |
-217,000 |
|
May |
1 105 000 |
30 |
33,360,000 |
33,150,000 |
-210,000 |
|
June |
1 105 000 |
36** |
40,032,000 |
39,780,000 |
-252,000 |
|
July |
1 011 000# |
25 |
25,275,000 |
28,225,771 |
2, 950, 771 |
|
August |
1 011 000# |
31 |
31,341,000 |
34,769,031 |
3,428,031 |
|
September |
1 011 000# |
31 |
31,341,000 |
34, 971,532 |
3,630,532 |
|
October |
1 011 000# |
30 |
30,330,000 |
33,567,957 |
3,237,957 |
|
November |
1 011 000# |
31 |
31,341,000 |
34,799,924 |
3,458,924 |
|
December |
1 011 000# |
33* |
33,363,000 |
38,019,751 |
4,656,751 |
|
TOTAL |
387,403,000 |
410,046,730 |
22,643,730 |
*Mid-term: meter reading done at month end
**Financial Year End: meter reading done at month end
#Targeted volume for the 2023/2024 financial year reduced in order to ensure compliance with the raw water abstraction license.
2. uMngeni-uThukela Water has been able to provide eThekwini Metropolitan Municipality with the required volume of water as stipulated in the Bulk Supply Agreement. However, there were four months wherein the actual volumes supplied were slightly below the targeted volumes.
During the year 2023, uMngeni-uThukela Water supplied eThekwini Metro with 410, 046, 730 kl which was 22, 643, 730 kl above the targeted supply volumes.
During the course of 2023, uMngeni-uThukela Water carried out planned maintenance as detailed in the table in Annexure A below:
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ANNEXURE A
|
No |
Details of Shutdown |
Planned Date & Duration |
Actual Completion Date |
|
1. |
Reservoir 3, Roof Rehabilitation. Floor & wall lining and installation |
07 August 2019 (39 Months) |
10 January 2023 |
|
2. |
Maphephetheni Works & Inanda Dam Pumping Main 700mm dia. Butterfly Valve Installation |
08 February 2023 (12 Hours) |
08 February 2023 |
|
3. |
Aqueduct 1 and 2 Rehabilitation following the April 2022 floods. |
28 June 2022 (12 Months) |
30 June 2023 |
|
4. |
Avondale Pump Station Replacement of the Inlet Control Valve |
03 March 2023 (8 Hours) |
03 March 2023 |
|
5. |
Hazelmere Works Installation of the Inlet Control Valve |
31 March 2023 (24 Hours) |
01 April 2023 |
|
6. |
Verulam Pump Repairs |
05 June 2023 (24 Hours) |
05 June 2023 |
|
7. |
Toti System Reservoir 1 Outlet valve replacement & PDT’s |
24 May 2023 (12 Hours) |
24 May 2023 |
|
8. |
Northdene Pump Station: Installation of 700mm diameter steel |
22 May 2023 (9 Hours) |
22 May 2023 |
|
9. |
Nagle Dam – New Intake Repairs |
21 July 2023 (12 Hours) |
21 July 2023 |
|
10. |
Maphephetheni – Inlet Control Valve Repair |
11 July 2023 (12 Hours) |
11 July 2023 |
|
11. |
Maphephetheni – Aqueduct 2 Isolation for penstock installation tunnel 6 - 7 |
11 July 2023 (12 Hours) |
11 July 2023 |
|
12. |
Maphephetheni – Aqueduct 2 Isolation for penstock installation tunnel 8 |
21 July 2023 (12 Hours) |
21 July 2023 |
|
13. |
La Mercy Pump Repairs |
10 August 2023 (12 Hours) |
10 August 2023 |
|
14. |
357 Pipeline Relocation DN1400 tie-in |
20 September 2023 (63 Hours) |
23 September 2023 |
|
15. |
257 Pipeline Relocation: DN 1000 tie-ins at Fairview Road |
28 September 2023 (60 hours) |
30 September 2023 |
|
16. |
Northern Aqueduct – Replacement of Air Valves |
22 September 2023 (9 hours) |
22 September 2023 |
|
17. |
Installation of the Isolation Plate on Aqueduct 2 at the Head of Works Durban Heights WW |
04 October 2023 (24 Hours) |
05 October 2023 |
|
18. |
Removal of an Isolation Plate on Aqueduct 2 at the Head of Works Durban Heights WW. |
21 November 2023 (18 Hours) |
21 November 2023 |
|
19. |
Wiggins HLPS Repair of the Cooling Water Pump System. |
24 October 2023 (8 hours) |
24 October 2023 |
|
20. |
357 Pipeline Relocation DN1400 tie-in |
18 October 2023 (60 hours) |
18 October 2023 |
|
21. |
257 Pipeline Relocation DN 1400 tie-in |
25 October 2023 (60 hours) |
27 October 2023 |
|
22. |
Relocation of DN 700, 54 Pipeline and tie-in to the existing pipeline along the N3 Durban route at Ashburton Interchange for SANRAL to complete the Construction of N3 Road. |
14 November 2023 (72 hours) |
17 November 2023 |
|
23. |
Northern Aqueduct – Replacement of Air Valves |
05 October 2023 (9 hours) |
05 October 2023 |