ANNUAL REGIONAL BULK PERFORMANCE EVALUATION REPORT OF
XONXA DAM TRANSFER SCHEME AND BULK WATER SUPPLY
- CHRIS HANI DISTRICT MUNICIPALITY
CHIEF DIRECTORATE: BULK INFRASTRUCTURE PROGRAMME
PERIOD: 01 APRIL 2013 TO 31 MARCH 2014
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TABLE OF CONTENTS
1.
Introduction
2.
Background
2.1
2.2
2.3
2.4
2.5
3.
Progress to date
3.1
3.2
3.4
3.5
4.
Outcomes and outputs
Beneficiaries and project results
Jobs Created
Conclusions / Lessons Learned
5.1
5.2
5.3
5.4
6.
Implementation of approved business plan
Schedules of work and phasing of the activities
3.3
Risks taken and management thereof
Capacities dedicated to the programme
Key challenges within the project
Project result and beneficiaries
4.1
4.2
4.3
5.
Description of project
Project History
Project concept, design and plan
Start date – duration of the programme
Fund previously allocated to project
Main successes and failures of the project to date
Ownership and sustainability of infrastructure works
Outcomes, outputs, successes and failures versus the cost
Lessons Learned
Recommendations
ANNEXURE A: Project Implementation Photos
ANNEXURE B: Project schedule – Included in file folder
ANNEXURE C: Cash flow Projections
ANNEXURE D: Labour Schedule (Actual) - Included in file folder
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1.
APRIL 2014
INTRODUCTION
In terms of Section 10(7) (b) of the Division of Revenue Act (DoRA), Act No 2 of 2013
as promulgated in Government Gazette No 36555 dated 10 June 2013; the
transferring national officer must submit an annual performance report for Schedule 6
within four months in respect of a province and six months in respect of a
municipality after the end of the financial year to the National Treasury.
The Regional Bulk Infrastructure Grant (RBIG) is a Schedule 6 indirect conditional
grant for the benefit in kind of municipalities.
This performance evaluation report, covering quarter 4 and annual report of the
2013/14 fiscal year, for the Xonxa Dam Transfer Scheme and Bulk Water Supply
project, one of the Regional Bulk Infrastructure Grant projects, currently being
implemented by the Chris Hani District Municipality (CHDM) in the Eastern Cape
Province, with Department of Water Affairs (DWA) as the funder and CHDM (being
the Water Services Authority) as co-funder.
2.
BACKGROUND
2.1
Description of Project
The Xonxa Dam Bulk Transfer Scheme and Bulk Water Supply project comprises the
augmentation of the Queenstown bulk water supply through the inter-regional
transfer of raw water from the Xonxa Dam to the Queenstown Water Treatment
Works. The main purpose for this project is to augment the current water supply
shortfall within the municipality and to open up the urgently needed supply of bulk
potable water to indigent areas within and surrounding Queenstown. Without this
project and its components, the service delivery as a whole within the Lukhanji Local
Municipality (LM) cannot be extended to eradicate current service delivery backlogs.
The water supply shortfall has a major impact on the social and economic
development within this region and currently impacts greatly on the future social and
economic growth and sustainability within the municipality.
The total project cost is currently estimated at R470 000 000 (including VAT). This
estimate includes contingencies and contract price adjustments (CPA). The contract
is being implemented through six (6) contracts due to staggered annual funding
allocations:






Contract 1: Construction of Pumping Station (Civil Works)
Contract 2: Manufacturing and Supply of Coated and Lined Steel Pipes
Contract 3: Installation of Pumping Main
Contract 4: Installation of Gravity Main
Contract 5: Mechanical & Electrical (M&E) Installation
Contract 6: Machibini Potable Bulk Water Supply
All institutional and legal criteria are in place to successfully implement this project.
With regards to the existing cost recovery system(s), all by-laws, indigent policy and
credit control policies are in place. Lukhanji LM has an existing billing system to
recover costs from beneficiaries within the available demographic area.
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2.2
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Project history
As far back as 1920 the Xonxa Dam Bulk Transfer Scheme was identified as the
preferred option for the bulk augmentation of the Lukhanji Municipality water supply.
Studies by the National Department of Water Affairs (DWA) supported this solution:


“Augmentation of Queenstown Water Supplies”, October 2003
“Lukhanji Regional Water Supply Feasibility Study”, January 2006
The DWA reports clearly identified the shortfall in water supply currently being
experienced in the Lukhanji Municipality.
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Figure 1: Locality Plan and Project Extent
2.3
Project concept, design and plan
Studies by the National Department of Water Affairs (DWA) clearly identified and
confirmed the shortfall in water supply being experienced in the Lukhanji Municipality.
The following table presents the water balance as per the DWA reports:
Table 2.1: Lukhanji LM Water Balance
Area
Queenstown Complex Demand
2005
(Ml/day)
-21.51
2020
(Ml/day)
-24.11
2045
(Ml/day)
-28.22
Ilinge & Machibini villages Demand
-6.6
-6.6
-6.6
Waterdown Dam (Assured Yield)
12.6
12.6
12.6
Bongola Dam (Assured Yield)
3.7
3.7
3.7
Total shortfall to be augmented from
Xonxa with Waterdown and Bongola
Dam operated at safe yield
-11.81
-14.41
-18.52
Ref. Lukhanji Regional Water Supply Feasibility Study, January 2006
Since 2003, Chris Hani District Municipality has pursued various options to secure
the required funding for the development and implementation of this project and has
only recently (in 2010) been able to avail limited funds through RBIG funding to
successfully initiate the planning and design phase of the project.
In order to address the water supply and infrastructure development problems the
solution is the augmentation of the Queenstown water supply through the bulk raw
water conveyance from the Xonxa Dam to the Queenstown Water Treatment Works.
From the water treatment works bulk potable water will be conveyed to the specific
indigent areas within and surrounding Lukhanji Municipality. Over and above the
augmentation to Queenstown the project will also open up the alternative water
supply (surface) opportunity to villages in the Xonxa dam area.
As per design the new bulk infrastructure to be constructed under this project
comprise:

New pump station (2 512 kW) at Xonxa Dam comprising three (two duty and
one standby) high lift pumps, with two pumps to pump 330 ℓ/s at a total head of
479 m, complete with fittings, pipe work and civil and electrical services;

A DN600 welded steel pipe connection from the existing Xonxa Dam off-take,
across the White Kei River to the pump station site. This will open up surface
water supply to the surrounding Xonxa area;

Eskom electrical supply to the pump station (2.5 MVA);

Bulk DN600 welded steel pipeline (rising main), 23 km in length, complete with
valves, chambers, meters, cathodic protection and telemetry system;

Concrete Break Pressure Reservoir (5 Mℓ);

Bulk DN500 steel gravity main, 11.65 km in length complete with valves,
chambers, meters and cathodic protection;

Full mechanical, electrical and electronic installation for the transfer scheme
pipeline;
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
Discharge and energy dissipation infrastructure at the WTW reservoir with the
possible energy recovery of 280 kW/hr to effectively re-use the residual head;

Machibini bulk water supply pump station (133 kW) at the eZibeleni high level
reservoirs, consisting of two (one duty and one standby) intermediate pumps,
pumping 47 ℓ/s at a total head of 220 m;

Machibini bulk DN250 steel pipeline (rising main) 1.1 km in length, complete
with valves, chambers, meters and cathodic protection;

Break pressure reservoir;

Distribution Reservoir (2 Mℓ);

Machibini and Ilinge bulk gravity distribution pipeline(s) (27 km).
The infrastructure is designed and sized in accordance with the demands for a 35year planning horizon up to 2045. This supply capacity will allow for the
refurbishment of the aged Waterdown pipeline in the near future.
The Xonxa design is based on the demands as per Table 2.1 with a design Peak
Factor (PF) of 1.5. The PF is based on the peak week factor plus allowance for 18
hrs pumping (to avoid punitive power tariffs) as well as published data, allowance for
balancing storage and past experience from similar bulk conveyance schemes. Each
supply/demand area however is unique. The choice of PF for this design as well as
demand was benchmarked against current actual available water demand data for
Queenstown. This data references comprised:
1.
Water abstraction data from Bongola and Waterdown Dams, April 2009 to May
2013;
2.
Records of daily water supply (demand) from the water treatment works, June
2012 to July 2013
3.
Billing records for water use in Queenstown, Mlungisi and EZibeleni. These
records were not in a convenient / useful format.
Based on data reference one (1), the projected demand of 28.11 Mℓ/d to 30.01 Mℓ/d
for the period 2005 to 2015 compares favourably to the actual 2013 demand of 26.56
Mℓ/d with a factor of safety allowance included.
Based on data reference 2, the data presented a slightly lower average monthly
demand but still verifies the original water demands indicated; however the main
purpose of evaluating the daily flows is to determine / benchmark the PF for design
purposes. As per design the Peak Factor (PF) is defined as PF (flow) + PF (pumping
hrs).
The average PF (flow) as per the reference 2 data set is 1.15 with the max. PF =
1.26. Using data from the paper by Jacobs & Strijdom, the recommend PF (peak
week) is shown as 1.28.
Using the design diagrams based on equations developed by Smook that take into
account balancing storage it gives a PF of 1.16. The PF for pumping hrs is calculated
as 1.235 making the PF = 1.16 x 1.235 = 1.43 (Smook equations) and 1.28 x 1.235 =
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1.58 (Jacob & Strijdom). The PF based on the average actual PF = 1.15 x 1.235 =
1.42 and the max PF = 1.26 x 1.235 = 1.56. The actual design PF of 1.5 is therefore
considered accurate based on actual data reference.
The current design is the most feasible solution taking economic, social,
environmental and institutional and engineering challenges into consideration. The
preferred solution will mitigate the current water supply shortfall in a holistic and
practical manner. It will ultimately augment and provide a sufficient and reliable (low
risk) bulk water source. This augmentation will also open up basic service delivery
opportunities urgently needed in the Lukhanji Municipally and hinterland. It will also
allow the opportunity for the refurbishment and upgrade of the Waterdown pipeline
currently in urgent need of such works.
Due to current funding allocations, timeframes and magnitude of the project, the
Works must be implemented through six (6) separate contracts:






2.4.
Contract 1: Pump Station and Dam Connection
Contract 2: Materials Supply Contract for the DN600 & DN500 pipes
Contract 3: Installation of the Pumping Main (DN600)
Contract 4: Installation of the Gravity main (DN500) and Reservoir
Contract 5: Installation of the full Mechanical, Electrical and Electronic
equipment
Contract 6: Machibini and Ilinge Bulk Water Supply (Civil, M&E).
Start date – duration of the programme
The project planning and design was initiated in 2010 with appointments for specialist
studies, water use and environmental applications initiated concurrently. The design
development, documentation and procurement as well as implementation
/construction stage is currently in various stages on each of the proposed contracts.
The current implementation strategy is mainly guided by project funding allocations.
The following dates have been set in line with the current anticipated implementation
strategy.
Contract 1: Pump Station and Dam Connection
Current Project Status:
Contract Number:
Contractor:
Contract Amount:
Contract Award Date:
Contract Start date:
Completion Date:
Close-out Stage
35/2011/MD (AM)
SC Contractors cc
R24 814 921.35 (incl. VAT)
22 February 2012
5 March 2012 (Site Handover)
December 2013
Contract 2: Supply and Delivery of Coated and Lined Steel Pipes
Current Project Status:
Contract Number:
Contractor:
Contract Amount:
Contract Award date:
Contract Start Date:
Completion Date:
Implementation/Construction Stage
55/2011/MD (AM)
Capital Star Steel (Pty) Ltd
R66, 276,665 (incl. VAT)
22 February 2012
5 March 2012 (procurement of materials)
30 June 2014 (pending gravity main contract)
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Contract 3: Installation of Pumping Main
Current Project Status: Implementation/Construction Stage
Contract Number:
19/2012/MD (AM)
Contractor:
Esorfranki Pipelines (Pty) Ltd
Contract Amount:
R92 626 742.43 (incl. VAT)
Contract Award date:
26 October 2012
Contract Start Date:
12 November 2012
Completion Date:
7 June 2014 (based on approved extension of time claims)
Contract 4: Installation of Gravity main and Reservoir
Current Project Status: Tender Adjudication submitted
contract to be awarded by CHDM
Contract Award Date:
Mid-May 2014
Contract Start date:
June 2014
Completion date:
December 2015
17/02/2014.
Awaiting
Contract 5: Mechanical and Electrical Installations
Current Project Status: Documentation and Procurement.
Contract document to be finalized upon confirmation of
funding availability.
Tender Date:
tbc (funding dependent)
Contract Start date:
tbc (funding dependent)
Completion date:
tbc (funding dependent) anticipated 2015
Contract 6: Machibini and Ilinge Bulk Water Supply (Civil, M&E)
Current Project Status: Design development & documentation and procurement
stages. Environmental approvals in progress.
Tender Date:
tbc (funding dependent)
Contract Start date:
tbc (funding dependent)
Completion date:
tbc (funding dependent) anticipated 2016
The current estimated completion date, based on current and anticipated MTEF
allocations is March 2016.
2.5.
Funds previously allocated to project
Table 1 below indicates the DWA funding that was made available to the project up
to date.
Table 1: Funding/Expenditure for the past financial years
2007/08 to 2010//11
2011/12
2012/13
ECR002
3.
R17,953,808
R11,746,955
R69,761,901
2013/14
R77,912,326
PROGRESS TO DATE
The performance evaluation was conducted on 07 April 2014 by a team listed below:




T Dlulane
SV Pongoma
G.B. Tshonti
C Arendse
DWA – Regional Office EC
DWA – Regional Office EC
CHDM – ISD Co-ordinator
RHDHV – Resident Engineer
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


3.1
G Henning
I Foord
B Marasha
APRIL 2014
RHDHV – Assist. Resident Engineer
Esorfranki – Site Agent
CCD Consulting – ISD Consultant
Implementation of the approved business plan
The current status of each of the projects is as follows:
1. Contract 1: Construction of Pump Station and Dam Connection (Civil Works)
Current Project Status:
Stage 1 – 4 Complete
Stage 5: Construction Administration and Inspection
(99.5%)
Pump Station building works at practical completion.
Snag list items on-going.
2. Contract 2: Manufacturing, Supply and Delivery of Coated and Lined Steel Pipes
Current Project Status:
Completion date:
Stage 1 – 4 Complete
Stage 5: Construction Administration and Inspection
(77%)
1647 lengths of 610mm pipes delivered to site for
pumping main installation contract. Balance of pipes
delivered in April / May 2014.
975 lengths of 508 mm pipes are currently being
manufactured.
May/June 2014 (with commencement of gravity main)
3. Contract 3: Installation of Pumping Main (DN600)
Current Project Status:
Completion date:
Stage 1 – 4 Complete
Stage 5: Construction Administration and Inspection
(75%). Work is currently under construction.
07 June 2014 (extension of time claims approved due
to community unrest)
4. Contract 4: Installation of Gravity main (DN500) and 5 Mℓ Reservoir
Current Project Status:
Completion Date:
Stage 1 – 4 Complete
Stage 5: Awaiting Contract award by CHDM.
Dec 2015 (current estimate)
5. Contract 5: Mechanical and Electrical Installations
Current Project Status:
Completion Date:
Stage 1 – 3 Complete
Stage 4: Design Development & Documentation and
Procurement Stages (85%)
Tender documents and drawings are in final draft.
Implementation time frame is currently dependent on
implementation/ completion of gravity main contract.
Dec 2015 (current estimate)
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6.
APRIL 2014
Contract 6: Machibini and Ilinge Bulk Water Supply (Civil, Mechanical and
Electrical)
Current Project Status: Stage 1 – 2 Complete
Stage 3: Design Development (50%)
Completion Date:
March 2016 (current estimate)
The progress to date on sub-consultant studies and approvals is as follows:
 Dept of Water Affairs Applications
The water use license for this scheme’s water abstraction from the Xonxa Dam
was approved by Department of Water Affairs on 24 June 2010 to the
abstraction value of 6,668,550 m³ per annum (Ref 9/03/09/279 SW).
The DWA General Authorization for all Stream Crossings on the project was
approved on 30 January 2012 (Ref 27/2/2/S932/1).
The DWA RBIG IRS Report was approved on 16 February 2012.
DWA approval to connect to the Xonxa Dam off-take has been received with the
final QCPs being approved for the valve.
 Environmental Application:
The Basic Assessment Report (BA) was approved with the ROD issued in
September 2011 (NREC 134-009-2011).
Macibini Environmental applications and approvals in progress.
 Authority Approvals: Way Leave Applications
The large extent of the proposed pipeline servitude falls within either State or
Municipal land with only one private property affected by the implementation of
this project. There are also some quitrent properties within villages that are
impacted by the pipeline route and installation Work to be done. This is currently
being resolved with a specialist dealing with all land legal matters, to be followed
by a servitude registration.
The Eskom Way Leave application (co-use approval) was submitted in
November 2010 with final approval received from Eskom on 30 November 2010.
Final approval from Eastern Cape Roads and Public Works for the
implementation of this scheme was received on 14 April 2011.
 Eskom Electrical Supply
The 2.5MVA electrical supply to the pump station is done by Eskom. This will be
an Eskom internal design, external constructed project and is currently in the
implementation phase. All Eskom connection fees have been paid in full.
Expected date for supply line to be commissioned is 2nd quarter of 2014,
however Eskom has also indicated that they have run into community unrests
and this date is expected to shift to the 3rd quarter of 2014.
 Cathodic Protection (CP) Survey and Design
The CP resistivity survey and design has been completed. Cathodic protection
installation monitoring is ongoing for the various pipeline construction contracts.
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 Geotechnical Investigations
All geotechnical investigations along the main pipeline route from Xonxa dam to
Queenstown have been completed with a detailed geotechnical report submitted
in July 2010. The geotechnical investigation is still to be done on the Machibini &
Ilinge pipeline routes.
 Engineering Surveys and Servitudes Registration:
The detailed engineering survey has been completed along the main pipeline
route from Xonxa Dam to Queenstown. Final survey is still to be done on the
Machibini & Ilinge pipeline routes pending environmental inputs.
Servitude registration will be done through external conveyors following final
land legal resolve process. Final registration will be in place at commissioning of
pipeline.
With regards to the existing cost recovery system(s), all bylaws, indigent policy and
credit control policies are in place. Lukhanji LM has an existing billing system to
recover costs form beneficiaries within the available demographic area as well as a
current operations and maintenance contract for the water treatment works and bulk
pipeline infrastructure.
Table 2.2: Milestones
Product
Feasibility Study
Planned date for
Name of Organization
completion
compiling/ developing
FS/IRS/Design/EIA
Royal Haskoning DHV
Completed
(formerly Stewart Scott)
Date
FS/IRS/Design/EIA
approved
August 2004
Implementation
Readiness Study
Royal Haskoning DHV
(formerly SSI Engineers)
Completed
February 2012
Preliminary Design
Royal Haskoning DHV
(formerly SSI Engineers)
Completed
March 2009
EIA
Pollution Control
Technologies
Completed
September 2011
WUL
Pollution Control
Technologies
Completed
June 2010
Operation
and Royal Haskoning DHV /
Maintenance Plan
CHDM
2015/16
pending
Financial Funding Royal Haskoning DHV /
Plan
CHDM
2013/14
pending
Completed
pending
Design
Royal Haskoning DHV
(formerly SSI Engineers)
3.2
Schedules of work and phasing of the activities
Refer to Section 2.4 and Section 3.1 above.
A Gantt chart / programme for Contract 3 is attached as Annexure B.
3.3
Risks taken and management thereof
As the Scheme comprises of infrastructure, no major risks other than those normally
encountered on a project of this size and nature had to been taken.
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Acceptable risks identified on the project and which are managed responsibly and in
accordance with the applicable laws and legislation is as follows:






Financial
Legal
Occupational Health and Safety
Environmental
Quality
Sustainability of investment / infrastructure
Eskom has indicated that they also experienced community unrest and that the
original commissioning date of the 1st quarter in 2014 has now possibly moved to the
2nd or 3rd quarter of 2014. It is not expected that this will impact on the M&E contract
as funding for this contract is not yet allocated.
Another risk being faced on a frequent basis on site in the Xonxa and Machibini
villages is community unrest. Chris Hani District Municipality, with the assistance of
Umhlaba Consulting Services, appointed through Royal Haskoning DHV, have dealt
with this, however we are still experiencing community unrest on a regular basis.
Currently all matters have been resolved. This will be closely monitored throughout
the duration of the remaining contracts.
3.4
Capacities dedicated to the programme
The capacities dedicated to the programme are as follows:








3.5
Water Services Authority: Chris Hani District Municipality
Water Services Provider: Lukhanji Municipality
Funding: Department of Water Affairs – Regional Bulk Infrastructure Grant
(RBIG) and Chris Hani District Municipality (co-funding)
Regulator – Department of Water Affairs
Overall Programme and Project Management: Royal Haskoning DHV / CHDM
PMU
Specialized professional services, financial management and administrative
support: Royal Haskoning DHV / Sub-consultants
Design, contract administration and construction monitoring: Royal Haskoning
DHV
Construction work:
o
Contract 1: SC Contractors cc
o
Contract 2: Capital Star Steel (Pty) Ltd
o
Contract 3: Esorfranki Pipelines (Pty) Ltd
o
Contract 4 - 6: TBA
Key challenges within the project
The following key challenges to date are highlighted:

Staggered funding allocations on the project have required that the design be
adjusted to adopt a phased implementation strategy/approach. The original
implementation strategy was adjusted from three to six contracts.

Delay in pumping main construction project due to community unrest
demanding upgrading of existing local water supply infrastructure has since
been resolved.
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On-going difficulties in obtaining community cooperation in gaining access along the
pipeline route through the Xonxa village as the community anticipates compensation
for accommodating the pipeline going past the village within state owned land.

Delay in pumping main construction project due to land use compensation
demands in the Machibini area.

Delay in pumping main construction project due to labour demands in the
Machibini area.

Inclement weather (consequential delays) impacted on progress of the dam
connection installation through the White Kei River.
4.
PROJECT RESULTS AND BENEFICIARIES
4.1
Outcomes and outputs
The current expected outcomes and outputs are on track and in line with the
programme.
4.2
Beneficiaries and project results
The Xonxa Dam Transfer Scheme and Bulk Water Supply project will impact directly
on the Lukhanji Municipality area as well as the Xonxa area situated in the
Emalahleni Municipality. The total extent of the Lukhanji Municipality is 4 388 square
kilometre (km²) making up 12% of the entire district.
Based on the Lukhanji Integrated Development Plan 2010/2011 and research done
by various agencies including Global Insight (2006) and the Bureau of Market
Research (2006) it is agreed that the population of Lukhanji has grown by an average
of one percent per annum between 2001 and 2006. Given this modest growth the
population of Lukhanji is estimated at 208 081. The majority (91%) of the population
is black.
Lukhanji has 52 020 households. This translates to an average household size of 4
persons per household and almost 25.68% of the entire district population.
The Lukhanji LM is a comparatively poor area with the number of indigent people
(earning less than the indigent threshold of R2160/month) living in the area at 75.4%
(39 223 households or 156 892 people). The Xonxa Dam Transfer Scheme and Bulk
Water Supply project will also open up the water supply to (number of villages)
villages surrounding the Xonxa Dam. The affected Xonxa Villages accounts for an
additional 1,868 poor households (13,055 people). The beneficiaries of this project
are all highly dependent on Government Grant Funding.
The Xonxa Dam Transfer Scheme and Bulk Water Supply will impact directly on the
entire population through the delivery of basic services (water, sanitation and
housing) and promote economic development within the Lukhanji LM, creating further
employment opportunities.
Over and above the overall project impact the immediate local investment and
benefits include the use of local labour and local SMME contractors in accordance
with the Contracts in place. The optimum use of local labour is encouraged with a
contractual obligation to implement 20% of the works on the Pump Station contract
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and 30% of the works on the Pumping Main installation contract using local SMME
contractors.
There is also further immediate local investment in the Xonxa community with the
upgrading, maintenance and rental use of the community accommodation facilities as
site camp on Contract 19/2012/MD (AM) Pumping Main installation.
4.3
Jobs Created
Based on the current implementation approach, it is estimated that approximately
300 temporary jobs will be created during the implementation of this project, split
between 108 females (36%) and 192 males (64%) and will include:



Adults (>35 years of age): 180 (60%)
Youth (< 35 years of age): 120 (40%)
Disabled Persons: 33 (11%)
The total projected man hours is estimated at 1,080,000 and can be allocated to:



Adults (>35 years of age): 648 000
Youth (< 35 years of age): 432 000
Disabled Persons: 118 800
To date, 98% of the labour used on Contract 35/2011/MD (AM) Pump Station and
Dam Connection has been local labour. The total number of labour (person) days for
quarters 1, 2, 3 and 4 is 22 831 days with a local investment of R4 008 619.
The combined labour schedule (SC Contractors and Esorfranki) for all four quarters
of 2013/ 2014 has been included as Annexure D.
5.
CONCLUSION / LESSONS LEARNED
5.1
Main successes and failures of the project to date
The first 3 contracts are currently in implementation with the first contract, Pump
Station and Dam Connection, at completion stage. All environmental and institutional
approvals are in place. Most of the major community issues have been resolved and
are managed on an on-going basis. Quality of construction work and materials are up
to standard and being monitored accordingly. OHS and environmental controls are in
place and being managed successfully.
5.2
Ownership and sustainability of infrastructure works
The ownership of the bulk infrastructure will fall under CHDM with the operation and
maintenance to be done through the WSP and the current O&M contracts in place.
5.3
Outcomes, outputs, successes and failures versus the costs
The delay in funding allocations and staggered implementation approach has
impacted on construction as well as monitoring costs as well as through inflation cost
on materials, labour, fuel etc.
Through proper management of the contracts, early procurement of high value
materials and fittings i.e. steel coil/pipes, valves etc. the impact of inflation could be
managed and ring fenced much better and this is definitely one of the successes on
this project; however this is only one component and the type of equipment procured
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allowed accommodating early procurement without any financial, legal or operating
risk to the client.
5.4
Lessons Learned
Ongoing community perceptions are very difficult to manage throughout the entire
project lifecycle. What is agreed and set in the pre-planning / feasibility stages and
what is anticipated or demanded during the implementation stages are not always
the same; the difference being that delays or disputes at the implementation stage
come at a great cost to the project.
Bulk infrastructure project, in light of the current funding and procurement constraints
should be designed on a phased implementation approach. This eliminates re-design
and adjustments before, and during, implementation.
6.
RECOMMENDATIONS
Implementation of the entire project as soon as funding allocations allow, limiting
increase in project costs and addresses urgently needed water augmentation and
“high risk” water supply to Lukhanji LM.
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Programme Management: Regional Bulk Infrastructure
ANNEXURE A: PROJECT IMPLEMENTATION PHOTOS
The following contracts are currently in implementation phase:
Contract 35/2011/MD (AM): Pump Station and Dam Connection
Photo 1: Pump Station Building.
Photo 2: Main Pump Hall
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Programme Management: Regional Bulk Infrastructure
Photo 3: Operators house constructed above pump station. Outstanding works
include earth lock block paving and clear view fencing.
Photo 4: View of the back of the house with the septic tank shown at the bottom
right of the photograph.
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Programme Management: Regional Bulk Infrastructure
Photo 5: View of the kitchen inside the pump station operator house which is in the
completion phase.
Photo 6: Photograph showing the locality of the pump station to the operator’s house.
As can be seen, the 12 pipes which CHDM requested be supplied and stored for
future repair purposes will be stored on a platform near the back-half of the operator’s
house.
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Photo 7: Enlarged view of the platform behind the operator’s house where the
repaired pipes, 12 of, will be stored for future use if needed.
Photo 8: Main DN600 Gate Valve installed at dam connection.
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Contract 55/2011/MD (AM): Material Supply (Pipes)
Photo 9: Trucks delivering 12,192m DN600 X 52 8 mm steel CML pipes on site in
Machibini Village.
Photo 10: Pipe trucks being offloaded at the informal pipe yard in Machibini Village
close to the two churches near the river crossing.
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Programme Management: Regional Bulk Infrastructure
Photo 11: View of the informal pipe yard in Machibini Village where pipes are only
stored temporarily.
Contract 19/2012/MD (AM): Construction of Pumping Main
Photo 12: Pipe being laid and welded in trench heading towards the pump station.
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Photo 13: The concrete batching plant has been relocated on site close to the forest
near Xonxa Village.
Photo 14: Formwork being erected for the next concrete pours required for the pigcatcher/ pig-launchers chambers.
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Photo 15: Air valve tee installed in face-brick chamber in Xonxa Village. Awaiting
valve installation and cover slab for chamber.
Photo 16: Natural grassing taking place along the pipeline route next to the dam. The
rainy season being the main contributor to the re-vegetation.
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Photo 17: The old concrete batching plant site has been de-established and is
currently in the process of being rehabilitated.
Photo 18: Fireproof testing of the two different options of concrete wrapping
(chicken-mesh or Hessian) on a piece of pipe in the site camp.
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Photo 19: Correct safety precautions such as fire extinguishers and water, from JoJo
water tanks, were on hand in case of emergency.
Photo 20: Photographs of all the landowners in Machibini Village, affected by the
pipeline traversing their land, receiving their cheques.
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Photo 21: Selected bedding material being placed in the trench levelled and
compacted before pipe is put in place and welded accordingly.
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ANNEXURE B:
PROJECT SCHEDULE - CONTRACT 3 GANTT CHART / PROGRAMME AWARDED UNDER PHASE 1
INCLUDED AS ANNEXURE B IN FILE FOLDER
Programme Management: Regional Bulk Infrastructure
ANNEXURE C: CASH FLOW Q1-Q4
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ANNEXURE D: LABOUR SCHEDULES (ACTUAL)
INCLUDED AS ANNEXURE D IN FILE FOLDER
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