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LUSAKA WATER SUPPLY SANITATION AND
DRAINAGE PROJECT TITLE: CONSTRUCTION PACKAGES
VENUE: MCA-ZAMBIA OFFICE
DATE: 24th SEPTEMBER 2013
SECTOR: INFRASTRUCTURE DEVELOPMENT
The Presentation
1. Background
2. Contract Package 1
3. Contract Package 2
4. Contract Package 3
5. Contract Package 4
6. Contract Package 5
7. Contract Package 7
8. Contract Package 8
9. Discussion/Working groups
The Packages
Notation Sub Project Description
CP1 LP1 Iolanda Chilanga Pipeline Rehabilitation and Rehabilitation of Distribution
Centres (7C, Woodlands, Waterworks, Lumumba, Stuart Park East,
Stuart Park West, Chawama, Chelston and Mass Media )
CP2 LP6 Construction of Lumumba, Roadside and Kamloops Pipelines
CP3 LS3,CSE44,
CSU4
Water and Sewer Reticulation in the Kamanga, Mtendere, Kaunda
Square and Chelston Areas
CP4 TU5 & TU3 Kaunda Square Waste Stabilization Ponds
CP5 LS3, LS2 Water Reticulation in Ndeke, Kwamwena, SOS Village, Chipata and
Ng’ombe
S
CP6 LS1 Non-revenue water reduction projects
CP7 LD2 Bombay Drainage Project North
CP8 LD1 Bombay Drainage Project South
3
Contract Package 1
4
Water Supply-Iolanda
Central core of Lusaka’s Water Supply Infrastructure
The plant in Kafue is over 40 years old
Some distribution centres are 58 years old
5
Images
6
Works
• Cleaning of pump sump below water line
• Replacement of screens
• Replacement of pumps
• Replacement of motor control centers
• Repair of concrete structures
• Replacement of chlorination units
• Repair to process units
7
Works continued
• Telemetry/SCADA commissioning
• Air Blowers replacement
• Chemical House repair
• Restoration of Al2SO4 mixing and dosing
• Replacement/Rehab of Valves
• Repairs To The Building
• Works On The Yard
8
Water Supply-Distribution Centers • Woodlands, High Court, Stuart Park West and Stuart Park East
• Mass Media, Chelston
• Lumumba/Matero CBD Matero Emmasdale
• Chawama
• Waterworks 1 & 2
9
Works
• Replacement of Pumps
• Replacement of Motors/MCC
• Installation of new chlorinators
• Repair of concrete reservoirs
• Works on the buildings
• New anchor blocks
• Valve replacement
10
Contract Package 2
11
Water Supply-Pipelines
• Lumumba Pipeline
• Roadside Pipeline
• Kamloops Pipeline
12
PIPELINES
Water Supply-Pipelines
13
16 Kilometers of new Steel Pipelines
Running through
• Residential Areas
• Trading areas
• Street vending areas
• Congested roads
• Sensitive state installations
• Railway and Pylon way leave
Works
• Excavations
• Road cutting & reinstatement
• Bedding
• Chamber construction
• Pipe laying
• Pressure testing
• Backfilling
• Connections
• Valve Installation
14
Works continued
• Culverts
• Reinstatement of wall
• Access to shops
• Major road cuttings
15
Contract Package 3
16
Water Supply-Networks
17
DISTRIBUTION NETWORKS
Networks
• Kamanga 14.4Km
• Mtendere 60.2Km
18
Works
• Excavations
• Pipe protection
• Pipe laying
• Meter Installation
• Customer connection
• Backfilling
• Pressure Testing
• Installation of valves
• Construction of Chambers/Buildings/Reservoirs
19
Mtendere
20
MTENDERE SITE
Mtendere Network
21
MTENDERE SEWER NETWORK
Works
• Excavations
• Road cutting & reinstatement
• Bedding
• Chamber construction
• Pipe laying
• Backfilling
• Connections
• Valve Installation
22
Works continued
• Connections
• Manholes Construction
23
Chelston Pump Station
24
CSU15 PUMP STATION AND RISING MAIN
Chelston Pump Station
• Lack of capacity leading to overflowing
• Flooding due to combined sewer and storm water.
• Increase pumping to meet 2035 requirements
• Ensure that the Structures and force main capacity meets 2035 requirements
• Generally rehabilitate the station for a 20 year life.
25
Works
• Excavations
• Sewer Pump replacements
• Motor control centers
• Construction of collection sump
• Replacement of valves
• Construction of Guard house and operators room
• SCADA/Telemetry
26
Works
• Excavations
• Bedding
• Chamber construction
• Pipe laying
• Backfilling
• Valve Installation
27
EXCAVATION
Kaunda Square Interceptor • Networks Serves 2,120 ha
• Gravity network system
• Combined Storm and sanitary sewer that drains to Kaunda square ponds
• The land use of the area is mainly high density residential dwellings
28
Works
• Excavations
• Road cutting & reinstatement
• Bedding
• Chamber construction
• Pipe laying
• Backfilling
• Connections
• Valve Installation
29
Works
• Excavations
• Road cutting & reinstatement
• Bedding
• Chamber construction
• Pipe laying
• Backfilling
• Connections
• Valve Installation
30
Kaunda Square Ponds
31
KAUNDA SQUARE PONDS
Contract Package 4
32
Kaunda Square Ponds
• Rehabilitation, upgrading and expansion of the existing dilapidated ponds
• Ponds to cope with the increased wastewater flows up to 2015
• Designed for a peak wastewater flow of 473.4 l/s
• New pond stream with approximately the same capacity as the upgraded one will be construction
33
Works
• Demolition of the existing head works
• Rehab of existing ponds
• Removal of vegetation
• Dredging of ponds
• Construction of by pass channel
• Construction of new sludge drying beds
• Construction of new ponds across the road
• Construction of utility building and guard house
• Erection of fence around the ponds
34
Contract Package 5
35
Water Supply-Networks
36
DISTRIBUTION NETWORKS
Networks
• SOS East 26.8Km
• Chipata 27.3Km
• Ng'ombe 5.2Km
• Kwamwena 97Km
• Ndeke/Vona 94 Km
37
Works • Excavations
• Pipe protection
• Pipe laying
• Meter Installation
• Customer connection
• Backfilling
• Pressure Testing
• Installation of valves
• Construction of Chambers
38
Water Supply-Boreholes
39
Kwamwena Ndeke Vona valley
Works
• Drilling
• Development
• Testing
• Sleeve installation
• Testing
• Shutdowns
• Construction
40
Drainage Projects
41
Drainage Projects
42
• Construction of rectangular and covered drains.
• Construction of open trapezoidal drains
• Repairs of manhole and concrete structures
• Replacement of culverts
• Construction of access structures
• Construction of Safety fencing
The Contracts
• CP7 = Improvement of Bombay Drainage System (North). Part of Bombay Main from GER, ZESCO Drain, Part of segment 3, Part of Segment 4 and Segment 5
• CP8 = Improvement of Bombay Drainage System (South). Lumumba and Kalambo Drain
43
Bombay Drainage System
• Occupies part of the Ngwerere stream basin
• Has a total Catchment of 123 km2
• Two separate catchment outflows.
One man made to the south-west
The other, natural and northwards
44
The Layout
45
PROPOSED CONTRACT PACKAGES
Contract Package 7
46
Bombay Main
4782 Meters of Drains from Great East Road heading North past Kasangula Road
• Trapezoidal Channels
• Rectangular Pre-cast drain sections
• Fencing with Concrete Posts and Steel Sections
• Dewatering
• Earthworks
• Culverts Installations
• Crossings
47
Segment 3
1159 Meters of drains from Great East Road through Thornpark and Garden into Bombay Main
• Trapezoidal insitu drains
• Crossings
• Dewatering
• Earthworks
• Culvert Installation
48
Segment 4
616 Meters of Drains from Great North Road through Thornpark into Garden.
• Trapezoidal insitu drains
• Dewatering
• Earthworks
• Culvert Installation
49
Segment 5
4319 Meters of drains from Great East Road near ZESCO fly over bridge running north in the railway line corridor
• Trapezoidal insitu drains
• Dewatering
• Earthworks
• Culvert Installation
50
Lumumba North
901 Meters of Drains from Great North Road through Mandevu into the Bombay Main Drain
• Trapezoidal insitu drains
• Rectangular precast concrete sections
• Dewatering
• Earthworks
• Culvert Installation
51
Contract Package 8
52
Bombay Main
5831 meters of drains from Kamwala South/Msisi through Kamwala, Intercity, Fairview and Northmead
• Trapezoidal insitu drains
• Rectangular precast concrete sections
• Earthworks
• Culvert Installation
• Crossings
53
Segment 2
4984 meters of drains from Libala South through Kabwata, Luburma, Nipa ending in Evelyn Hone College
• Trapezoidal insitu drains
• Fencing
• Earthworks
• Culvert Installation
• Crossings
54
Segment 3
899 meters of drains from Church Road behind Levy Park Shopping Mall past ZESCO up to Great East Road.
• Trapezoidal in-situ drains
• Fence reinstatement
• Earthworks
• Culvert Installation
55
Lumumba North
5195 meters of drains from Kalambo Road heading North past Mungwi Road, Buseko market into Vubu Road through Emmasdale Bank back to Lumumba Road and up to GNR
• Trapezoidal insitu drains
• Precast concrete sections
• Earthworks
• Culvert Installation
• Fencing
56
Lumumba South
2864 meters of drain from Carousel Shopping Center past City Market, Munyaule Market Lumumba Bus Station into Kalambo drain
• Trapezoidal insitu drains
• Precast concrete sections
• Earthworks
• Culvert Installation
• Covering
57
ZESCO Drain
910 meters of covered drain from Cairo Road heading east until it joins Segment 3
• Rehabilitation with repairs to manholes and internal structural repairs
• Cleaning and silt removal
58
Discussion
Issues to be addressed in each group.
• Work Plan
• Procurement Plan
• Financial Forecast/Plan
• Project Management
• Contract Management and Closeout
59
Discussion
Issues to be addressed in each group.
• Work Plan
• Procurement Plan
• Financial Forecast/Plan
• Project Management
• Contract Management and Closeout
60