WATER SUPPLY PLANS WESTMORELAND. Draft Westmoreland WS PPLan Octobwe

Transcription

1 WATER SUPPLY PLANS WESTMORELAND 1

2 1. Introduction Westmoreland is located at the south western side of Jamaica; the major towns are Negril, Little London, Grange Hill, and the capital Savanna-la-mar. It has an area of 807 square kilometres (311 square miles), making it Jamaica's eighth largest parish. There are over 10,000 acres (40 km²) of morass land, the largest part of which is called the Great Morass. The remaining area consists of several hills of moderate elevation, and alluvial plains along the coast. There are numerous rivers in the parish, of which the Cabaritta River, which is 39.7 kilometres long, is the largest. Other rivers include the Negril River, New Savanna, Morgan's, Gut, Smithfield, Bowens, Bluefields, Robins, Roaring, Great and Dean. 2. Existing Water Supply System There are 22 water supply facilities in the parish and these are served by 16 springs, 4 wells and 2 river supplied water treatment plant. Water Resource Surface Water The main surface water sources in Westmoreland are: Roaring River Venture River Cabarita Sweet River Water Supply Systems The total installed water production capacity in Westmoreland is just under 8 mgd. The major systems in the parish are the Roaring River and Bullstrode Water Supply Systems, which have a combined installed capacity of 5 mgd. The other supply systems in the parish include the Bluefields, Williamsfield, Carawina and Cave systems. (a) (b) The water treatment facilities in the parish are in need of upgrading to improve service reliability. The water supply network throughout the parish is aged and undersized, contributing to very high levels of non-revenue (NRW), estimated to be some 72%. The total length of the pipelines in the parish is estimated at 1, 280 kilometres. Information on the supply 2

3 network is presented in table 2.1 below. It would be noted that pipelines sized 4 inches (100mm) or less constitute almost 85% of the total length of the pipe network. Table 2.1 Summary Information on Westmoreland Pipe Network Pipe Diameter (inches) Approximate Length (m) Portion of the Network < 2 98, % 2 368, % 3 265, % 4 349, % 6 107, % 8 54, % 10 14, % 12 15, % >12 5, % 1,279, Non-Revenue Water Levels Set out in figure 3.1 is the annual water balance for Westmoreland. This was derived from the water balances that were prepared for each of the water supply systems in the parish. The water balances are based on flow measurements that were conducted at sections of the water supply network and examinations of customer and records. It would be noted that the average annual water production in the parish is approximately million cubic meters (2.8 billion gallons). Physical losses amount to 8.17 million cubic meters per year (1.8 billion gallons), which represents some 64% of the water produced. Commercial losses amount to 1.04 million cubic meters (0.23 billion gallons) per year (8.2% of production), largely attributed to unauthorized consumption Revenue water in the parish is only 3.52 M cubic meters (0.77 billion gallons) per year which is just below 28% of the water produced. 3

4 Figure Water Balance for Westmoreland Home Billed Authorized Consumption Billed Metered Consumption 3,516,205 m3/year Revenue Water Authorized Consumption 3,523,645 m3/year Billed Unmetered Consumption 7,440 m3/year 3,523,645 m3/year System Input Volume 3,567,422 m3/year Error Margin [+/-]: 0.0% Unbilled Authorized Consumption 43,776 m3/year Error Margin [+/-]: 0.0% Unbilled Metered Consumption 0 m3/year Unbilled Unmetered Consumption 43,776 m3/year Error Margin [+/-]: 0.3% 12,729,811 m3/year Error Margin [+/-]: 5.0% Commercial Losses 995,164 m3/year Unauthorized Consumption 828,550 m3/year Error Margin [+/-]: 25.0% Non-Revenue Water Water Losses 9,162,389 m3/year Error Margin [+/-]: 20.8% Customer Meter Inaccuracies and Data Handling Errors 166,614 m3/year Error Margin [+/-]: 3.0% 9,206,165 m3/year Error Margin [+/-]: 6.9% Error Margin [+/-]: 6.9% Physical Losses 8,167,225 m3/year Error Margin [+/-]: 8.2% 4

5 4. Water Requirement Parish Population General Using information supplied by the Statistical Institute of Jamaica, in 1991 the population in Westmoreland was 128,364. By 2001 it had grown to 138,948, showing a growth of 0.08%. The estiamted population is in year 2010, 152,531 persons. There are some 16,800 service connections in the parish which translates to a service coverage of about 45% of the parish population. Demand Centres The enumeration districts (EDs) that were used in the 2001 population census was used to establish priority areas that will be targeted to be provided with water supply. EDs with population densities in excess of 150 persons per square kilometres were grouped to form these demand centres. Figure 4.1 Example of Demand Centres and Information available on NWC s GIS Pipeline TYPES OF DATA Subdivision Enumeration District (ED) - Population Data WATER DEMAND CENTRES Light Blue Shaded EDs -Pop > 150p/sq Km -Priority given to fully supply Pump Station 5

6 As far as possible, each demand centre (DC) is linked to a water supply system. It is related to a water distribution system that now serves it or has the potential to be served by it. Set out in table 4.1 is information showing the population in each Demand Zone, indicating projections for 2015, 2020, 2025, and Table 4.1 Population Projections Demand Zones Jerusalem Mountain Roaring River #1 Roaring River #2 Bluefields Williamsfield Carawina Cave Bulstrode Petersville TOTAL Population ,976 6,219 6,472 6,735 7,008 44,067 45,858 47,721 49,661 51,680 23,504 24,459 25,453 26,488 27,565 16,814 17,497 18,208 18,948 19,718 3,783 3,937 4,097 4,263 4, ,226 2,316 2,411 2,509 2,611 20,683 21,523 22,398 23,309 24,256 1,090 1,135 1,181 1,229 1, , , , , ,172 The population of 118,670 persons in the Demand Zones in year 2010 represents 78% of the estimated 2010 parish population of 152, 531 persons Current Water Requirement The current water supply situation is summarised below in table 4.2 below 6

7 Table 4.2 Current Water Supply situation Supply Zone Jerusalem Mountain Roaring River No. 1 Roaring River No. 2 Bluefields Williamsfield Carawina Cave Bulstrode Petersville Total Supply Into the System (Mg/d) WESTMORELAND - YR 2010 Population Calculated Demand (Mg/d) to be Served Domestic Commercial and other Technical Losses Total Reqmnt Surplus/ Deficit , (0.32) , (2.09) , , (0.57) , , (0.06) , (0.36) , (0.04) , (2.96) The table shows that there is an overall supply deficit of 2.96 million gallons per day when the combined water requirement of Demand Zones is considered along with the water supplied in the parish. The total loss due to leaks is estimated to be 6.46 million gallons per day. Water Requirement in 2030 If the level of technical losses remains at the current, the water supply deficit will increase to some 6.17 mgd in the maximum day in Maximum day is taken as 120% of the average water demand. See Table 4.3 7

8 Table 4.3 Water Supply Situation in 2030 No Reduction in Technical Losses Tables 4.4 and 4.5 reflect the water supply situation in 2015 and 2030 respectively, if efforts are made to reduce the technical losses to at most 30% of production, and if system inputs are returned to design parameters or better. With these improvements there are resulting surpluses in approximately 67% of the supply systems, with Jerusalem Mountain, Roaring River, Bluefields and Petersville Water Supply systems showing a deficit. Table 4.4 Water Supply Situation in 2015 (Technical losses reduced to 30% of production) 8

9 WESTMORELAND - YR Technical Losses Reduced to 30% Supply Zone Calculated Demand (Mg/d) Jerusalem Mountain Roaring River Bluefields Williamsfield Carawina Cave Bulstrode Petersville Total Supply Into the System (Mg/d) Population to be Served Domestic Commercia l and other losses Technical Losses Total Reqmnt Surplus/ Deficit , (0.40) , (0.05) , (0.37) , , , , (0.02) , Table 4.5 Water Supply Situation in 2030 (Technical losses reduced to 30% of production) WESTMORELAND - YR Technical Losses Reduced to 30% Supply Zone Calculated Demand (Mg/d) Jerusalem Mountain Roaring River Bluefields Williamsfield Carawina Cave Bulstrode Petersville Total Supply Into the System (Mg/d) Population to be Served Domestic Commercia l and other losses Technical Losses Total Reqmnt Surplus/ Deficit , (0.46) , (0.68) , (0.53) , , (0.01) , , (0.03) , (0.74) 5. Water Supply Improvement Plans 5.1 Introduction It is planned to undertake a number of water supply improvement works in Westmoreland to address supply deficiencies and to improve overall operational efficiencies. The planned works 9

10 will focus on reducing the high level of technical losses (estimated to be in excess of 64% of production), largely due to the aged water supply infrastructure; strengthening the transfer capacities of critical water transmission mains, to enable transfer of water within and between water supply systems and facilitating supply flexibility between water supply systems; and water supply extensions to areas that are not now been served. A comprehensive audit of the water supply systems in the parish will be undertaken in early stages in order to identify optimal steps that should be taken to deliver early gains in the reduction of NRW. This will include establishing district metered areas (DMAs) and setting up monitoring systems. 10

11 5.2 Summary of Proposed Projects and Cost Supply Zone Project Cost $ Jerusalem Mountain 178,560, Roaring River 1,282,604, Bluefields 1,032,886, Williamsfield 650,711, Carawina 168,516, Cave 153,426, Bulstrode 794,036, Petersville 75,459, Total 4,336,201, Detailed Audit of the Westmoreland Water Supply System The level of NRW in the parish is high, as shown in the previous sections. It is planned to carry out a programme of activities to target areas to reduce overall NRW in the parish. A detailed audit of the water supply system will be undertaken as well as a comprehensive survey of users legal and illegal. In order to proceed with the audit of the network and to obtain reliable and accurate information on users and consumption, the following activities will be undertaken during the Audit Phase: Technical Areas: Network survey to define and locate pipes (material and size) & fittings (valves, PRV, fire hydrants) to draw up the network inventory. Then all the information gathered on site will be transferred in Geographic Information System (GIS) following the NWC specifications. Investigation of all the NWC facilities (production facilities, reservoirs and pumping stations). All defects and anomalies detected and remedial works for repairs and/or upgrading have must be clearly stated for every facility. Flow & pressure measurements as well as level measurement of reservoirs at production facilities, on the trunk mains and various off-takes. Leak detection campaign on the entire network and mapping of leaks detected to further decide for pipe section replacement. 11

12 Establishment and set-up of network models complying with the network operation and measurements carried out. Network partition into District Metering Area (DMA) to monitor flows and NRW control with definition of equipment (valves and bulk meters) to be installed. Setting-up of pressure management program including evaluation of existing pressure zones and Pressure Reducing Valves (PRV) and definition of new pressure areas with location for new equipment. Commercial Areas: Door to Door Consumer survey audits to ascertain specific elements of the water supply among the residential & commercial users: to locate the NWC users (mapping under GIS), to check the status and condition of water meters installed on site, to gather other relevant information regarding the supply and to find out illegal connections. CS analysis to check the reliability and accuracy of the NWC database, to analyze trends of consumption and users and to establish the initial billable consumption. Consumption profiles measuring campaign to analyze the apparent losses engendered by the customer metering policies and thereof to optimize the invoicing /revenues of NWC by defining new metering policies for domestic and commercial users. Specific investigation on site to check the discrepancies between the CS database and the field, mainly for the temporary and permanent disconnected accounts as well as for the accounts with zero/low consumption. Cost of Audit The total cost to undertake the proposed set up and audit of the Westmoreland water supply system is $92M. A breakdown is provided in the table below. Activity 1 Network Survey (including leak detection/pressure Survey and Estimated Cost ($M) 2 Establishment of DMA 50 3 Customer Mapping and audits 10 Sub-Total 80 4 Administrative and Other Cost TOTAL 92 Expected Benefits The detailed audit of the Westmoreland Water Supply system will provide information that will be used to help in defining detailed NRW reduction intervention activities. The results of the 12

13 audit will be used to target the most critical sections of the parish water supply system that require attention and assist in scheduling of the required works. Expected Benefits (cont d) The information will be used to populate the asset database for the parish which will form a critical part of the Asset Management System (AMS) that will be established for St. Elizabeth. A fully functional AMS will be a valuable operational tool that can be used to sustain the benefits that will be derived from the various projects and activities that are set out in this document. Package A This includes the rehabilitation of the Roaring River plants, the upgrade of distribution lines in Savanna-la-mar, the installation of a 250,000 gallon tank at Williamsfield, and the extension of a 6 line through to Wakefield on the Carawina system. These projects are expected to improve supply to the central regions of the parish. The details are as follows: Jerusalem Mountain Demand Zone (W-2) System Description The Jerusalem Mountain Water Supply System is provided with water from the Jeruselem Spring which has a capacity of some 0.03 mgd Service Area Some of the communities supplied by this system include Jerusalem Mountain, Rock Spring, Meylersfield Mountain and Herring Pie. Water Requirement The current population in the DC in Westmoreland that is served by the Jerusalem Water Supply System is estimated at 5,976 persons and this is expected to increase to 7,008 persons by There is a now a supply deficit 0.3mgd and this is expected to increase to 0.5 mgd if no water supply improvement works are undertaken. Addressing the Supply Deficiencies The water supply from the Jerusalem Mountain source is grossly inadequate to meet the water needs of its service area. The distribution mains in the area are asbestos cement type and break frequently. It is planned to augment the Jerusalem Mountain water supply system with water from the Bulstrode Water Supply System in order to address the existing and projected supply shortfalls. 13

14 This will have to be done in parallel with the expansion of the production capacity of the Bulstrode Water Treatment Plan. It is planned to replace the asbestos cement pipelines within the supply area. 14

15 Figure Proposed Water Supply Improvement Works Cost for Improvements The estimated total cost for the improvement works is $ 178.6M as shown below. Activity Qnty Cost ($) Install 3.3 Km 6" DI pipeline from Grange Hill to Glasgow 3,300 $57,927, Install 3.2 Km 4" line take-off at Glasgow to Jerusalem Mtn. 3,200 $54,383, Upgrade 2 Km of pipeline along Glasgow main road to 4" 2,000 $33,989, Install booster pump at Glasgow $2,500,000 Engineering & Other Cost $29,760, TOTAL $178,560,

16 Roaring River Demand Zone (W-1) System Description The Roaring River Water Supply System is supplied by water from the Roaring River. There are two water treatment plants associated with this system, the Roaring River Water Treatment Plant No. 1 and the Roaring River Plant No. 2. Service Area Some of the communities supplied by this system include Roaring River, Petersfield, Amity, Carawina, Hertford, Torrington, Georges Plain, Frome, Dumbars River, Savanna-la-mar, Smithfield, Strawberry H/S, Galloway, Lindos Hill, Hatfield, Roaring River, Whithorn, Caledonia Water Requirement The current combined population in the DC in Westmoreland that is served by the Roaring River No. 1 and Roaring River No. 2 systems is estimated to be 67,570 persons and this is expected to increase to 79,244 persons by There is a current supply deficit of 1.85 mgd and this is expected to increase to 3.67 mgd in the maximum day if the level of technical losses remain at current levels. Addressing the Supply Deficiencies Efforts will be made to reduce the level of technical losses on the this Water Supply system and to rehabilitate and upgrade the water treatment capacities of the treatment plants. The proposed works will involve: Extensive rehabilitation and upgrading of the Roaring River No. 2 water treatment plant to improved treatment capacity and increase output to 6.5 mgd. Rehabiliation works will also be carried out on the Roaring River No. 1 Water Treatment Plant. Construction of some 2.2km of 500mm transmission pipeline from Peterfield to Hartford water tank to replace the aged and leaking one that forms a part of the supply system. Repairs to the existing 0.5 million gallon tank at Hartford to reduce leaks. Construction of a 0.5 million water tank at Hartford to increase storage capacity at that location to 1 million gallons Upgrade transmission pipeline to 14" between Dumbar's River and Mannings intersection. Replace and upgrade old and leaking distribution pipelines in Sava-la-mar area. This will allow for the extension of service from Roaring River to the wider Sav-la-mar area 16

17 including Little London, New Hope and Retreat. This will relieve dependence on the Bulstrode Water Supply system. General rehabilitation to appurtenances - air valves, isolating valves, etc. 17

18 Cost for Improvements The estimated total cost for the improvement works is $ 1.3B as shown below. Activity Qnty Cost ($) Install 2.2km 20" line from Petersfield to tank at Hartford 2,200 $122,288, Construct 500,000 gallon tank at Hartford $72,000,000 Install 1 Km 14" line at Dunbar's Corner to Mannings intersection 1000 $32,317, Replace distribution lines in Savanna-la-mar 6,000 $300,000, Extend 250mm line 2 Km from New Hope to Retreat 2,000 $63,713, Rehabilitate and install network appurtenances: air valves, boundary valves, conrol valves. $5,000, Rehabilitate and upgrade Roaring River WTP No.1 $30,000, Rehabilitate and upgrade Roaring River WTP No.2 $200,000, Replace defective lines by installing 10 Km 6" DI from Little London to Grange Hill 10,000 $175,538, Replace defective 4 Km 4" DI lines in Little London town 4,000 $67,979, Sub-Total $1,068,836, Engineering & Other Cost $213,767, TOTAL $1,282,604, Economic Assessment 18

19 Bluefields Demand Zone (W-2) System Description The Bluefield Water Supply System is supplied with some 1 mgd, through a supply network that has a high level of technical losses. Service Area Some of the communities supplied by this system include Bluefields, Belmont, Black Bay, Farm, Culloden, Whitehouse, South Sea Park, Mearnsville, Gordon. Water Requirement The current population in the DC in Westmoreland that is served by the Bluefield Water Supply System is estimated to be 16,814 persons and this is expected to increase to 19,718 persons by There is a current supply deficit of 0.36 mgd and this is will increase to 1 mgd. Activities to reduce the technical losses will improve the supply situation. Addressing the Supply Deficiencies The major trunk main that runs along the Bluefield main road through to Whitehouse/Scott's Cove is leaking badly and breaks frequently. Over the last 12 months repairs at least ten major leaks have had to be carried out on it. The National Works Agency Plans to carry out a major road upgrading work from the Scotts s Cove through to Whitehouse. It is planned to replace this main to avoid problems with leaks and breaks when the road work is completed. Replacement of the pipelines would see reduced leaks, increased carrying capacity, improved service delivery and reduced Non-Revenue Water due to leakages. In addition, it is proposed to augment the deficit by piping in additional supply from Dalintober. 19

20 Cost for Improvements The estimated total cost for the improvement works is $ 1.03b as shown below: Activity Qnty Cost ($) Install 17Km 250mm DI pipeline from Bluefields to Scotts Cove Install 6km 10" line from tank at Fustic Grove to Scott's Cove, and appurtenances Upgrade 3km of line from Relift pump to Fustic Grove tank to 8", and appurtenances 17,000 $541,565, ,000 $191,140, ,000 $66,597, Install pump relift station $25,000, Install storage tank 50,000 gallons $12,500, Install 5km 6" distribution line 5,000 $87,769, Engineering & Other Cost $108,313, TOTAL $1,032,886,

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22 Williamsfield Demand Zone (W-2) System Description The Williamsfield Water Supply System is supplied by water from the Williamsfield production facility which has a capacity of some 1.3 mgd Service Area Some of the communities supplied by this system include Williamsfield, Fort William, Strawberry, Grange, Glenbrook. Water Requirement The current population in the DC in Westmoreland that is served by the Williamsfield Supply Systems is estimated to be 3,783 persons and this is not expected to increase to 4,436 persons by There is a current supply marginal supply surplus and this is expected to reverse to marginal deficit in 2030 if no improvement work is done. An aggressive programme to reduce the level of technical losses to 30% by 2015 will provide a surplus of some 0.3 mgd Addressing the Supply Deficiencies There is one pump at this facility making the system vulnerable to supply disruptions. A duty and a standby pump need to be in place. The sump at the station is inadequate, leading to inconsistent and unreliable supply. It is planned to carry out the following works: Construct a 250,000 gallon tank at Williamsfield (pipes are already in place); water will be pumped to this tank and then gravity fed to areas such as Grange, Strawberry, Friendship, Ft William, Heartford. Complete the installation of distribution mains from Flower Hill to Blauwearie and Barham communities. A 50,000 gallon tank and pumping station is to be installed. Replacement distribution mains will be installed to serve Strawberry adjacent areas 22

23 Cost for Improvements The estimated total cost for the improvement works is $ 650M as shown below: Activity Qnty Cost ($) Installation of 250,000 gallon and 50,000 gallon 2 $312,500, tanks Install 4km of 4" secondary main as upgrade to 4,000 $67,979, existing 2" main Strawberry to Friendship Upgrade existing tank to 50,000 gallons at $18,000, Strawberry Construct a lift station at Mayfield and Install $58,000, standby pump at Williamsfield pumping station Provision for distribution mains extension 7,000 $122,876, Engineering & Other Cost $77,555, TOTAL $650,711,

24 Carawina Demand Zone (W-2) System Description The Carawina Water Supply System is supplied by water from the Carawina Springs which has a capacity of some 0.5 mgd Service Area This system supplies Carawina and Torrigton. Water Requirement The current population in the DC in Westmoreland that is served by the Carawina Water Supply System is estimated to be 529 persons and this is expected to increase to 620 persons by There is a current supply, surplus of 0.14 mgd and this is expected to remain that way if the service area is unchanged. Activities to reduce the technical losses will improve the supply situation. The water from Carawina is therefore available to augment supply to adjacent systems such as the Roaring River and Petersville systems. Addressing the Supply Deficiencies It is planned to extend the Carawina Water Supply System to serve additional areas such as Paradise and Wakefield. 24

25 Cost for Improvements The estimated total cost for the improvement works is $ 168.5M as shown below: Activity Qnty Cost ($) Install 8 Km of 6" DI line and control devices 8,000 $140,430, Engineering & Other Cost $28,086, TOTAL $168,516, Cave Demand Zone (W-2) System Description Some 0.24 mgd of water is supplied to the Cave Water Water Supply. Service Area Some of the communities supplied by this system include Cave, Cave Mountain, Red Gate, Water Wheel, Ferris, Scott Hill Water Requirement The current population in the DC in Westmoreland that is served by the Cave Water Supply System is estimated to be 2,226 persons and this is expected to increase to 2,611 persons by There is a current marginal supply deficit of about 0.06 mgd and this is to increase to 0.12 if supply conditions in area are not changed. Addressing the Supply Deficiencies The level of service within the supply area varies, with some sections experiencing intermittent supply. The protection about the area of the source is to be strengthened to ensure its continued use. Pressure zones within the supply system are to be re-established to minimize high pressures which can lead to frequent main breaks. 25

26 The pipeline from the pump station to the tank is to be replaced and the replacement pipeline dedicated to supply this tank. The water from the tank will then be distributed to the service areas. This provides improved supply control and will facilitate the use of off peaking pumping to minimize electricity cost. Cost for Improvements The estimated total cost for the improvement works is $ 135.8M as shown below. Cost for improvements The estimated total cost for the improvement works is $ 153M as shown below: Activity Qnty Cost ($) Install 5.5 Km 6" transmission line from pump station to reservoir (along roadway) 5,500 $96,545, Rehabilitate 2"/3" distribution pipeline and install 3 $5,000, PRV's Upgrade 1.5 Km distribution line to 4" DI including PRV 1,500 $25,492, Provision for replacement of distribution mains in supply 2,000 $19,490, area Construct security fencing around supply source $1,500, Engineering & Other Cost $5,398, TOTAL $153,426,

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28 Bulstrode Demand Zone (W-2) System Description The Bulstrode Water Treatment plant provides some 2.2 mgd of water to the supply system. The treatment capacity is limited and reduced throughput is necessary during extreme turbid conditions. The water supply infrastructure is over 40 years old, leaks in many sections and is subject to frequent main breaks. Service Area Some of the communities supplied by this system include Grange Hill, Burnt Savanna, Toll- Gate, Alma,Paul Island, Fullerfield, Little London, Glasgow, Jerusalem Mountain, Herring Piece, Part of Rock Spring, New Broughton Water Requirement The current population in the DC in Westmoreland that is served by the Bulstrode Water Supply System is estimated to be 20,683 persons and this is expected to increase to 24,256 persons by There is a current supply deficit of 0.36 mgd and this is expected to increase to 0.9 mgd by 2030 if the existing condition is unchanged. Addressing the Supply Deficiencies The proposed activities include the rehabilitation of the Bulstrode Water Treatment Plant to improve its treatment capacity and service reliability. In addition, it is planned expanded the plant to 3 mgd and thereby provide an additional 0.8 mgd for the supply system. These proposed works should return the facility to a surplus position. The water supply network is in urgent need of renewal and it is planned to commence this by replacing critical transmission mains and selected sections of the water distribution network. 28

29 Cost for Improvements The estimated total cost for the improvement works is $794M as shown below: Activity Qnty Cost ($) Rehabilitation and upgrade of treatment plant to allow $120,000, for increased output of2.5-3migd Install 500,000 gallon tank at suitable commanding $100,000, elevation Upgrade 2.8 Km distribution line from Bulstrode P/S to 2,800 $89,884, Grange Hill to 12" DI Upgrade 4.5 Km distribution line from Grange Hill Little 4,500 $99,896, London to 8" DI. Upgrade 16 Km distribution lines in Little London to 4" 16,000 $271,916, Engineering & Other Cost $132,339, TOTAL $794,036,

30 Petersville Demand Zone (W-2) System Description The Petersville Water Supply System is one of the small systems in the parish, providing some 0.06 mgd. Service Area Some of the communities supplied by this system include Petersville, Long Hill, Fustic Grove, Kings Well Road Water Requirement The current population in the DC in Westmoreland that is served by the Peterville Water Supply System is estimated to be 1,090 persons and this is expected to increase to 1,279 persons by There is a current supply deficit of 0.04 mgd and this is expected to increase to 0.07 mgd if the supply conditions in the area remain unchanged. Addressing the Supply Deficiencies It is planned to augment the Petersville Water Supply System with water from the Black River Water Supply System in the adjoining parish of St. Elizabeth to address the supply shortfall. In addition, main replacement activities will be undertaken to reduce the level of technical losses to at most 30% of production. 30

31 Cost for Improvements The estimated total cost for the improvement works is $ 75.5M as shown below: Activity Qnty Cost ($) Install 150mm transmission main to connect to Black 2,000 20,010, River WS Provision for main replacement 500 4,872, Install 50,000 gallon tank $12,500, Install lift pump $25,500, Engineering & Other Cost $12,576, TOTAL $75,459,