Lake Talbot Pool Complex Master Plan Report Master Plan for Lake Talbot Pool Complex prepared for Narrandera Shire Council Abstract The Council engaged RMP & Associates to undertake a Master Plan of the Lake Talbot Pool Complex incorporating an indoor heated pool and addressing the issues associated with the age and operation of the current pools and slides. Donovan Payne Architects and Nick Biniares (pool consultant) have worked with RMP & Associates and Narrandera Council staff to prepare a staged redevelopment of the Lake Talbot Pool Complex and prepare Concept Plans and background information, including a high-level cost plan to inform Council and enable community consultation. 1 Lake Talbot Pool Complex Master Plan Report Contents BACKGROUND....................................................................................................................................................... 2 EXECUTIVE SUMMARY .......................................................................................................................................... 5 Summary ............................................................................................................................................................... 6 Grants ................................................................................................................................................................... 7 Section A - Existing plant, life cycle cost and compliance .................................................................................... 10 Diagram 1 – Existing Layout of Filtration System .................................................................................................. 13 Plant Life Cycle Cost - Table 1 .............................................................................................................................. 14 Compliance.......................................................................................................................................................... 14 Table 2 – Existing Plant Data ................................................................................................................................ 14 Tables 3 and 4 - Current Standards ..................................................................................................................... 15 Table 5 - Proposed New Outdoor Pool Water Treatment Plant ............................................................................ 15 Section B - Proposed Filtration and Water Treatment Systems to Current Standards......................................... 16 Stage 1 – New Program Indoor Pool and Upgrade System 2 ................................................................................. 16 Diagram 2 – Stage 1 Plant Works ......................................................................................................................... 19 Stage 2 – New Splash Pad and Remove Toddler Pool ........................................................................................... 20 Diagram 3 – Stage 2 Plant Works and New Splash Pad ......................................................................................... 20 Stage 3 – Convert Rampage Pool to Landscape & Upgrade Pool 2 ........................................................................ 21 Diagram 4 – Stage 3 Plant Works and New Leisure Pool (Pool 2) .......................................................................... 21 Stage 4 – Upgrade System 1 & Remove Existing Plant, Temporary Back Wash Tanks and Bridge .......................... 22 Diagram 5 – Stage 4 Plant Works and Demolition Works ...................................................................................... 22 Stage 5 – New Water Slide ................................................................................................................................... 24 Diagram 6 – Stage 5 New Water Slide and Connection to Plant Room .................................................................. 25 Proposed Filtration and Water Treatment Options .............................................................................................. 26 Discussion............................................................................................................................................................ 26 Attachment 1- Notional Order of Costs ............................................................................................................... 27 Attachment 2 – Indicative Income and Expenditure for Indoor Pool .................................................................. 30 Attachment 3 – Acor Report 2011 ....................................................................................................................... 31 2 Lake Talbot Pool Complex Master Plan Report BACKGROUND Following the report on the capital costs to build an indoor Program pool based on each scenario (in broad terms) and the option of constructing an indoor pool at the Lake Talbot Pool Complex, a fee proposal was requested to undertake a Master Plan for the Lake Talbot Pool Complex that would include a concept plan for an indoor pool and improvements to the existing layout of pools and buildings, including slides and plant room. It would also extend to a review all current plant, including filters, pumps, pipe-work and treatment systems with an indicative life cycle cost on the maintenance and replacement costs expected over the next 15 years for existing system. The implications of the plant review would be integrated with the Master Plan developed by the architects and RMP to reduce operating costs, increase attendances and provide the costs associated with an indoor heated indoor pool for residents and visitors to use all year. Objectives 1. Develop a Master Plan for Lake Talbot Pool Complex which would address the need to replace the existing change rooms, modifications or replacement of the existing Caretakers House and Kiosk to provide a new entry and access to a future indoor pools and the complex in summer. 2. Review the condition and potential costs savings associated with retaining/changing existing pools and water slides (with advice from pool plant expert) and incorporate into the Master Plan to provide better economies and risk management for the Council/Lessee 3. Develop two Concept Plans for a new indoor pool at Lake Talbot Pool Complex and changes to existing pool and slide layout (incorporating any pool plant and filtration modifications to reflect requirements of current NSW Health and other legislation) and potentially reduce staff and energy costs 4. The preparation of plan layout drawings of two Master Plan options with notional layouts of the new / refurbished and extended amenities suitable for community consultation and display. 5. Prepare a life cycle cost on the maintenance and replacement costs expected over the next 15 years for existing system. 6. Identify the costs associated with replacing the current plant with suitable filtration and pipework to meet current NSW Health Department Guidelines and indicate the additional work required to modify existing pools in line with water turnover guidelines and waste water disposal as part of a new plant room. 7. Review the current water slide operation and propose future upgrade work required over the next 15 years to address age and risk issues and potential savings on water circulation and treatment. 8. As part of the Master Plan process indicate the size and cost of a “Splash Pad” to replace the toddler’s pool and possibly the “Island” pool to create a new attraction and reduce operating costs or to re-configure the “island” pool, retaining the 20m lap pool and providing a heated pool with adjacent “Splash Pad” and leisure water play. The Master Plan would consider two Options prepared by the architects for upgrades to the Lake Talbot Pool Complex and the inclusion of an indoor pool suitable for all year use by residents and visitors of all ages and capable of providing revenue generating programs such as Learn-to-Swim, gentle exercise, aqua-aerobics, school programs and programs for those with special needs. 3 Lake Talbot Pool Complex Master Plan Report RMP would prepare the Master Plan document, in conjunction with Council staff as the first stage of a community consultation process informing residents of benefits and costs associated with: a) Retaining the status quo b) Option1 c) Option 2 Deliverables A draft Master Plan document Two Concept Plans for community consultation and display Lifecycle cost for existing plant and equipment (excludes structural elements) Indicative cost plan for proposed capital works associated with the Master Plan Indicative operational costs and revenue projections for the options presented 4 Lake Talbot Pool Complex Master Plan Report EXECUTIVE SUMMARY An inspection of Lake Talbot Pool Complex was undertaken on 4 August 2016 to view the existing water treatment and filtration plant in providing a Masterplan. Denis Pontin (RMP) Kim Donovan (Architect) and Nick Biniares (Pool Consultant) met with staff and discussed previous plans and existing concerns. Minimizing risk to Council from the existing operation was a key aspect of the Master Planning process. The current water treatment system and the age of much of the plant and infrastructure was assessed in relation to risk and compliance with current guidelines. The Master Plan was developed to enable the whole community to enjoy the benefits of the Lake Talbot Pool Complex. Construction of a new indoor program pool suitable for hydrotherapy, swimming, teaching swimming and water exercise that was available all year to residents and visitors was incorporated into the Master Plan as a key element. The proposed indoor pool resolves concerns in relation to existing facilities and access but retains the social aspect of a café and attractive elevated veranda with outstanding views. Replacing the current outdated and unattractive change rooms as well as providing a new entry with ease of access directly from the car park is one significant improvement. Removal of the old boatshed and eventual removal of the existing plant room on the other side of the canal is included in the staged redevelopment of the swimming centre. Savings on maintenance and refurbishment of the existing change rooms and the entry, café and caretaker’s cottage are realized with the demolition of these assets and replacement with new “fit-for-purpose” assets. Immediate concerns in relation to the plant room operation and electrical installations have been addressed in the proposed upgrades. Backwash tanks and bunding for chlorine deliveries have also been included in the initial works to meet compliance standards. Although water testing is done at intervals during the season the current water turnover and plant operation, including chlorination and filtration is not designed to meet the demands placed upon it if there is a hot day or heavy bather load in the shallow pools or even the pools associated with the water slides. With low patronage the volume of water and the 4 hour turnover is sufficient but there is no capacity in the system for peak loading, particularly in the toddler’s and Island Pool. Investigations have revealed the main slide can be re-surfaced and the exit pool replaced with a ‘runout’ slide end to reduce risk and remove the current pool and the need to lifeguard this body of water. The advice from Australian Waterslides is that a slide similar to the Rampage Slide was removed from Water World some years ago because it was considered dangerous. The Master Plan proposes a significant reduction in water to be treated and circulated in conjunction with a replacement to the Rampage Slide with a new modern multi-slide. Interactive water play to cater to children and families has been incorporated into a redesign of the leisure pool. In conjunction with the changes to the pools a new plant room is proposed with new equipment and updated pool water circulation to meet current NSW Health Department Guidelines. The introduction of shade and in the final stage a small covered tiered seating area adjacent to the 50m pool which is retained and a new Swim Club room provided. Use of solar panels is proposed for the complex to reduce reliance on either gas or electricity for the heated indoor pool and to extend the existing summer season for the outdoor pools. Access to the 5 Lake Talbot Pool Complex Master Plan Report lower pools needs to be upgraded to meet requirements under the current requirements to provide “universal access” to public facilities. As a “low patronage” pool the current lifeguard approach for the outdoor pools under the supervision of the current lessee is not expected to change. However, the proposed reduction in water area by removing the Rampage Slide and the pool associated with the Rampage Slide and the splash-down pool for the 100m slide will reduce the risk with less water to lifeguard and “splash pads” without a pool providing interactive water play also result in greater safety. The lifeguarding of the indoor pool will need to be negotiated with qualified lifeguards used as learn-toswim teachers and aqua-aerobics instructors as well as the reception having a staff member who would be trained as a lifeguard. Programs to encourage high school students to train as lifeguards and work at the pool as instructors and lifeguards have been successful in other communities. Austswim or similar qualifications (Swim Australia) are also required for teachers of swimming. Revenue is expected to increase significantly if an indoor heated program pool is constructed in conjunction with a modern café and areas for meetings and other programs and services. Tourism can contribute to increased visits if the indoor pool is promoted by caravan parks and hotels/accommodation establishments as providing a modern heated pool all year. Older travellers are particularly interested in pools that offer warm water for swimming and exercise. Griffith lacks an outdoor Pool Complex with slides and interactive water play and Leeton residents would also be catered for with the proposed indoor pool. Expenditure will increase with an indoor program pool operating all year. The expected subsidy is determined by the support of the community for programs such as learn-toswim, hydrotherapy, and the staff costs. Attachment 3 (Acor Inspection Report) indicates the previous forecast income and expenditure projection for an indoor pool 20m x 10m with a 6-day operation and reception and lifeguard staffing. Council will need to negotiate the appropriate level of subsidy with a lessee and determine the best way to promote the pool and the various revenue streams with a commensurate reduction in subsidy from increased patronage and program revenue. In the previous report to Council on the feasibility of an indoor pool the projected subsidy was between $150,000 and $200,000. The integration of the indoor pool with the existing pool complex at Lake Talbot provides economies of operation with the entry and reception function already part of the current operation for the summer season and the additional staff costs, maintenance and cleaning, water, heating and chemicals costs to be offset by income from programs and casual entries. A subsidy may be required for the winter operation as there are no existing staff employed to supervise or operate the café and reception. The café and the programs should develop with marketing and a quality of product and service to meet the additional costs. Council may also decide to reduce the operating hours during winter to minimize or eliminate the subsidy. Summary A staged redevelopment has been proposed to put the Master Plan into effect. This report includes a Design Report, which addresses the investigations which were made of the existing facilities, their modes of use and the topographical challenges to provide a modern and compliant facility. The Design Report also includes a series of Concept Layout drawings illustrating each of the 5 Stages seen as being the logical sequence over which to achieve the ultimate Master Plan for Lake Talbot 6 Lake Talbot Pool Complex Master Plan Report Swimming Centre. Each of the redevelopment staging drawings has been annotated to show the indicative scope of work to be undertaken at each of the Stages 1 – 5. Income and expenditure will increase when the new indoor pool becomes operational. The current seasonal use of the site will now provide an all-year destination and community hub residents and visitors. The proposed Master Plan will increase the attractiveness of the Lake Talbot Swimming Centre to older residents and tourists as well as families with young children. Schools and sports groups will benefit from the community room and the indoor pool for training and programs. Warm water exercise is an increasingly important part of preventative medicine and pain management for a range of common conditions including arthritis and post-operation rehabilitation. Heated water is also critical for learn-to-swim programs for pre-school and young children. Walking in water and swimming all year for residents in an attractive facility that offers a social meeting place with a café and support services is an important addition to the local community. Provision has also been made for para-medic services such as physiotherapy and massage as well as the multi-purpose community room being available for classes and courses and programs such as yoga and kindi-gym. Risk management principles and asset management principles as well as Environmentally Sustainable Design principles have been applied to the Master Plan strategy. No investigation has been undertaken to determine if 50kw 3-phase power is available to the new plant room for the indoor pool or if gas can be supplied to the site. The existing plant room power supply is anticipated to be able to provide the 100kwn power requirements and a new pool control power board in the new plant room (Stage 1) has been included in the cost plan. Grants Capital grants can be sought from State and Federal Government for projects that meet the guidelines. The proposed Master Plan development is specifically designed to meet the needs of the local and regional community. It recognizes the aging population as well as providing a facility that will attract tourists and can enhance programs offered by local infants, primary and high schools and also provides additional job opportunities and create a social “hub” for the community. “Government funding of public access sports facilities in Australia generally comes from departments/agencies overseeing infrastructure; and depending upon location, may be supported by either urban or regional planning strategies. To date, the planning and funding of sporting facilities has not been part of the brief of the Australian Sports Commission. Federal grants to States/Territories and/or State/Territory grants to local government authorities focus on infrastructure and economic development, but may be justified as having multiple community benefits – public health, community development, employment, tourism, education, etc. Facility planning may be linked to sport and active recreation programming, since the delivery of programs may require an investment in facilities. Each State/Territory generally has three streams of sport/recreation facility planning: (1) a major sports facility strategy which aligns with other policy areas (employment, tourism, transportation, etc.); (2) Departments of Education prioritise facility plans as part of capital investment in schools, and; (3) Departments of Sport and Recreation have funding programs/strategies to help Local Government authorities or State Sporting Organisations to develop facilities. Federal Government Department of Infrastructure and Regional Development 7 Lake Talbot Pool Complex Master Plan Report National Stronger Regions Fund, Department of Infrastructure and Regional Development. This program provides $1 billion over five years to fund priority infrastructure in regional communities. Funding commenced in 2015 and is open to local government and not-for-profit organisations. Community Development Grants Programme, Department of Infrastructure and Regional Development. Projects support needed infrastructure that promotes stable, secure and viable local and regional economies. More than $300 million is available under the Community Development Grants Programme. Funding commenced in 2013/14 and will end 30 June 2017. Stronger Communities Programme, Department of Infrastructure and Regional Development. This programme will deliver $45 million over two years, commencing in 2015/16. Local governments and not-for-profit organisations are eligible, grants are limited to $20,000 and funding is limited to $150,000 per electorate per year. New South Wales Local Sport Grant Program, Department of Sport and Recreation. $50,000 available for successful projects within each NSW electorate; maximum ‘facility development and capital equipment’ grants of $25,000. ClubGRANTS Program. $32 million for sport and recreation infrastructure; up to 16 projects funding in each round, grants range from $500,000 to $1 million.” 8 Lake Talbot Pool Complex Master Plan Report DOCUMENTS PROVIDED BY NARRANDERA COUNCIL 04-08-2016 DWG No 5316-03-2 5316-03-3 5316-03-4 5316-03-5 5316-03-6 Rev 5 4 3 4 4 Date April „85 April „85 April „85 May „85 June „85 5316-03-11 5316-03-12 5316-03-13 5316-03-14 5316-03-15 2 2 2 1 1 March „85 March „85 April „85 Feb „85 Feb „85 5316-03-17 2 April „85 Other un-named Consultant Drawings DWG No Rev Date S5 09/10/70 H3 March „72 H4 March „72 Title Layout Balance tank pipework and details Pool hydraulic details – Sheet 1 of 2 Pool hydraulic details – Sheet 2 of 2 Water slide pool pump station – General Arrangement Pool arrangement and details Pool wall and slab details Miscellaneous details Services bridge renovations steelwork layout Services bridge renovations steelwork and concrete details Rampage tower - Footings Title Paving and “Apex” pool details Pipework details main pool plant Pipework details childrens pool plant Reports and Other Miscellaneous Documents Date Author Title Report on Lake Talbot Swimming Pool Complex 2011 ACOR The existing Filtration Systems have been described as 1 & 2 with pool water bodies as per 2011 Acor report provided by Council to the consultants and attached to the report: A. B. System 1 50m Olympic Pool Rampage Pool Slide Pool System 2 Island Pool Toddlers Pool 9 Lake Talbot Pool Complex Master Plan Report Section A - Existing plant, life cycle cost and compliance A. Basic Overview Upon site visit, all pools were empty therefore any inspection for mechanical, functional and operational issues was not possible due to the plant not operating. System 2 – For Pool 2 (Island and toddler pools) The Lessee advised the consultant that the plant located between the Rampage and Island Pools has not been fully functional during the operating season. It is reliant upon the main filtration System 1 where the operator has arranged a transfer pump system from the Rampage Pool and back to accommodate its operational needs. This is evident with the exposed pipe work located between the Rampage and Island pools. For System 2 to be fully functional, it must not depend on System 1 filtration. System 2 plant consists of 5 domestic style sand filters with dedicated pumps serving a common header leading to the 3 ‘returns” of filtered water reticulating to the Island and Toddler pools. For the filtration to be working, the function of back wash is critical for filters to be operational and therefore the pool is reliant on the temporary arrangement installed on transfer of treated water from System 1. On inspection 4 August 2016, the floor slab was flooded, electrical wiring is hazardous and not compliant with current standards. 10 Lake Talbot Pool Complex Master Plan Report The inspection revealed access cage that is not ideal from an OH&S standpoint. System 1 filtration currently utilized with transfer reticulation to serve System 2 Island and Toddlers Pools. Island Pool Filtered Water inlets inadequate for flow upgrade (fail to meet current NSW Health Department standards) System 2 (Olympic, Rampage and slide pools) Located across the canal, is System 1. This has a filter serving the 50m, Rampage and Slide pools and appears in good condition. Inspection of sand condition is required and a mandatory inspection of lateral (internal components of filter that separates water from sand) to determine if sand needs to be replaced. Pipe work is showing signs of wear. Back wash line leads to adjacent land (no detention tank and sewerage intake) which needs to be rectified. 11 Lake Talbot Pool Complex Master Plan Report Chlorine Storage Room deteriorating. Bulk delivery access not bunded in the case of spills during bulk delivery of chlorine. System 1 Balance Tank. Soiled water valves and Drain valve need replacing. Pipe work approaching end of life. The expected life of the slide shell without treatment is 5 years 12 Lake Talbot Pool Complex Master Plan Report Diagram 1 – Existing Layout of Filtration System SYSTEM 1 PLANT Existing EXISTING PLANT 1 BALANCE TANK SYSTEM SYSTEM 2 1 2 EXISTING PLANT 2 EXISTING PLANT 2 BALANCE TANK & FILTER CELLS 13 Lake Talbot Pool Complex Master Plan Report Plant Life Cycle Cost - Table 1 Main Pool Shed Main Pool Shed Main Pool Shed Main Pool Shed Main Pool Shed Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Small Pool Enclosure Main Pool Acid Pump Prominent Control Board Prominent Chlorine Probe Prominent Chlorine Pump Prominent Transfer Small Pool Acid Pump Small Pool Chlorine Pump Prominent Control Board Filter Pump Filter Pump Filter Pump Filter Pump Filter Pump Hurlcon Filter Hurlcon Filter Hurlcon Filter Hurlcon Filter Hurlcon Filter Bilge Pump Prominent Chlorine Probe Submersible Lift Pump Submersible Lift Pump Prominent Concept Plus Prominent Fluid Control Prominent Dulcotest Prominent Delta Prominent Ecoline Prominent Concept Plus Prominent Concept Plus Prominent Fluid Control Hurlcon / CTX 400 Hurlcon TX 1.5 6.6A Hurlcon TX 1.5 6.6A Hurlcon / CTX 400 Hurlcon TX 1.5 6.6A Hurlcon Media Filter RX Hurlcon Media Filter RX Hurlcon Media Filter RX Hurlcon Media Filter RX Hurlcon Media Filter RX Ebara 6.6A DVSA 5755 Prominent Dulcotest Ebara 21.5A 200DL 511 Ebara 21.5A 200DL 511 2 5 1 2 4 2 2 2 Not adequate Not adequate Not adequate Not adequate Not adequate Not adequate Not adequate Not adequate Not adequate Not adequate 3 1 1 2 $ $ $ $ $ $ $ $ $ $ $ $ 900.00 5,000.00 1,100.00 900.00 2,900.00 900.00 900.00 5,000.00 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 1,200.00 1,100.00 7,500.00 7,500.00 $ $ $ $ $ $ $ $ $ $ $ $ 300.00 200.00 550.00 300.00 450.00 300.00 300.00 200.00 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 250.00 550.00 450.00 450.00 seal kit Clean sample pot/filter average cost for 2 year life seal kit seal kit seal kit seal kit Clean sample pot/filter N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Removal & Inspection only average cost for 2 year life Removal & Inspection only Removal & Inspection only Compliance The current NSW Health Department guidelines under section 7.2.8 allow a minimum standard of existing outdoor pools less than 3 meters in depth where it is not possible to upgrade to the Code. This is on the basis strategies should be developed to compensate for the lack of turnover. Such strategies could include: Turnover must not be longer than 4 hours for depths less than 3 metres for a swimming pool and slower than 30 minutes for a spa pool A risk management plan to ensure that possible public health risks are minimized Full automation of disinfection and pH processes Limiting bather numbers Elevation of minimum disinfectant concentrations Improving filtration. Table 2 – Existing Plant Data Review of the drawings provides the following data on the existing plant. System 1 2 Pool 50m Rampage/Annexe Island Toddlers Area (m2) 729 1,113 1,842 Av. Depth (m) 1.60 0.75 585 0.53 23 0.53 Volume (m3) 1,166 835 2,001 Current Flow (m3/hr) Current Turn Over (h) Current Filter Area (m) Current Filter Rate (m3/hr/m2) 504 3.97 22.70 22.20 108 2.96 3.50 30.86 307 12 608 319 System 1 may be utilized and its replacement staged until such time Council has the funds to update to the current standards. System 2 (servicing the “Island” Pool and Toddler’s Pool) does meet the initial compliance for turn over rates under this section. However, it fails on the following strategies this exemption is also based on: The filtration rate is high and therefore needs improved filtration. This is based on commercial industry practice for small volume/shallow depth pools to minimize the public health risks arising from peak bather load conditions. Limiting the bather numbers at peak periods does not provide a desirable option. A risk management plan to ensure that possible public health risks are minimized. Current risk plan in place by the operator of diverting water from and to System 1 is not acceptable under these guidelines. 14 Lake Talbot Pool Complex Master Plan Report Tables 3 and 4 - Current Standards Table below provides current standards for new systems under section 7.2.3 System 1 Pool 50m Rampage/Annexe 2 Area (m2) 729 1,113 1,842 Av. Depth (m) 1.60 0.75 585 23 608 0.53 0.53 Island Toddlers Volume (m3) 1,166 835 2,001 Flow (m3/hr) 378.70 538.55 307 12 319 268.23 10.55 Current Turn Over Proposed Filter Current Filter Rate Standards (h) Area (m) (m3/hr/m2) 3.08 15.15 25 1.55 24.48 22 917.25 1.15 1.15 12.19 0.48 22 22 Filter Rate (m3/hr/m2) 25 No. Off Filters 4 STAGE 4 25 3 1 279 The turnovers indicated for current guidelines on above table generally concurs with the 2011 Acor report (Table 4) as shown below: Table 4 – Copied from Acor Report 2011 Pool Area Ave Depth ledge and S teps Volume S ub sectional T/O T/O Main 50m Rampage pool A Rampage pool B Total combined pool system 750 1.6 0 1200 3.1 1.7 Filter Filter flow area M3/h M2/pool r actual 711.3 492 1 0 492 2.0 0.4 1095.3 867.3 0.575 0 499 1.2 0.3 1773.8 2.4 906.2 2191 Filter area M2/pool Recommende d 504 m3/hr at 22.2 m3/hr/m2 22.7 28.45 188 43.81 182 70.95 394 36.25 764 Total allowable bather load by pool area 764 Total allowable bather load limited by existing filtration Childrens Pool 602.5 0.525 Max Bather load 9 307 Filter factor = 1.1 1.1 0.62 recommended 268. 4 8.1 473.6 10.74 Total allowable bather load by pool area 274 274 Total allowable bather load limited by existing filtration Filter factor = 0.4 recommended 109.5 Table 5 - Proposed New Outdoor Pool Water Treatment Plant System 1 2 Pool 50m Rampage - DELETED Childrens Toddlers - DELETED Area (m2) 729 Av. Depth (m) 1.60 Volume (m3) 1,166 Flow (m3/hr) 388.80 585 0.53 307 267.07 15 Proposed Turn Proposed Filter Over (h) Area (m) 3.00 15.55 1.15 10.68 Lake Talbot Pool Complex Master Plan Report Section B - Proposed Filtration and Water Treatment Systems to Current Standards Stage 1 – New Program Indoor Pool and Upgrade System 2 New Program Pool – 16.66m Plant consists of: Ultra Fine Filtration (UFF) suitable for program pool use 2 off 50% duty filter pumps and dedicated lint strainers Variable speed drives providing constant volume system and low energy mode for overnight UV generation for chloramine control. Comes with light traps and strainer Calcium Hypochlorite feeder (dry chlorine) Acid feed Chemical controller for chlorine and pH Heating utilizing both heat pump and pool gas heater (natural gas supply by others) Dedicated pool switchboard (supply of power to pool switchboard by electrician) Electrical reticulation between pool switchboard and associated plant Pool shell and plant room reticulation Pool test kit Safety equipment for operation Budget pricing for the above works is $475,000 + GST. Refer to Attachment 1 (Table of costs). Other works included in Notional Order of Costs - refer to Attachment 1 (Table of costs). Structural & finishes works Balance tank size to be 25m3 with foot valve sump Back wash tank size to be 10m3 Electrical, lighting, ventilation and domestic water supply New Program Pool – 20m Option Budget pricing for the 20m Option is $485,000 + GST Upgrade System 2 (Island/Children’s pool) Plant consists of: Sand Filtration / UFF filters (depending on final decision by Council) 2 off 50% duty filter pumps and dedicated lint strainers Variable speed drives providing constant volume system and low energy mode for overnight Calcium Hypochlorite feeder (dry chlorine) Acid feed Chemical controller for chlorine and pH Dedicated pool filtration switchboard. Scope to allow for Future System 1, Future Family Feature Pump and Future Splash Pad system. (Supply of power to s/b by others) Electrical reticulation between pool switchboard and associated plant Pool shell and plant room reticulation Safety equipment for operation Budget pricing for the above works is $470,000 + GST. Refer to Attachment 1 (Table of Costs). Other works included in Notional Order of Costs Structural & finishes works Existing balance tank to be used and extend to incorporate old filter cells Existing Island (Children’s) plant to be converted to back wash tank using vinyl membrane 16 Lake Talbot Pool Complex Master Plan Report New Plant Area for System 2 and Water Play Systems Electrical, lighting, ventilation and domestic water supply 17 Lake Talbot Pool Complex Master Plan Report Temporary Back Wash Tanks for System 1 Plant consists of: 3 off 22,000L tanks Dedicated back wash pump (2L/s) to sewer location (most likely on pool complex side) Pipe work reticulation from tanks across bride to sewer point Concrete Base for tanks Budget pricing for the above works is $55,000 + GST (Please note this is not in Notional Order of Costs) Existing 85m Slide Fibreglass Repair & Resurfacing internal sliding surface Budget pricing for the above works is $62,000 + GST Option of external surface blasting and re-flow coating Budget pricing for the above works is $47,000 + GST Option of Flume Exit Budget pricing for the above works is $40,000 + GST Option of New 100m Slide and Associated Plant including Demolition System will consist of Part Tube & Part Open Tandem Tube Raft ride. Budget pricing for the above works is $445,000 + GST (Please note this is not in Notional Order of Costs) 18 Lake Talbot Pool Complex Master Plan Report Diagram 2 – Stage 1 Plant Works TEMPORARY BACK WASH TANKS SYSTEM 1 PLANT Stage 1 FUTURE PLANT AREA FOR SYSTEM 1 PROPOSED SYSTEM 2 PLANT ALLOW FOR FUTURE SPLASH DECK C-F-01 C-F-02 C-F-03 REMOVE STAIR ACCESS CONVERT EXISTING PLANT TO BACKWASH TANK 1 NEW ACCESS TO BACKWASH TANK 2 CHILDRENS BALANCE TANK (EXTEND INTO FILTER CELLS) 19 Lake Talbot Pool Complex Master Plan Report Stage 2 – New Splash Pad and Remove Toddler Pool New Splash Pad – 150m2 Works consists of: Sand Filtration 1 off filter pump and dedicated lint strainer 1 off feature pump and dedicated filter Variable speed drives providing constant volume system Calcium Hypochlorite feeder (dry chlorine) Acid feed Chemical controller for chlorine and pH Electrical reticulation between pool switchboard and associated plant Pool shell and plant room reticulation Budget pricing for the above works is $200,000 + GST Other works included in Notional Order of Costs Interactive Waterplay Structural & finishes works New balance tank 56m3 (size required due to Zero depth) Electrical and domestic water supply Diagram 3 – Stage 2 Plant Works and New Splash Pad SYSTEM 1 PLANT Stage 2 ADD SPLASH DECK SYSTEM C-F-01 C-F-02 C-F-03 1 2 20 Lake Talbot Pool Complex Master Plan Report Stage 3 – Convert Rampage Pool to Landscape & Upgrade Pool 2 Revised reticulation works and incorporation of features as per Donavon Payne Stage 3. Works include Cap off reticulation to Rampage Pool and new in ground pipe work to 50m Pool for future stages. New in ground 70,000L Balance Tank for future System 1 and slide operation (Stage 4 & 5) Revised reticulation to new Pool 2 Budget pricing for the above works is $70,000 + GST (NOT allocated in Notional Order of Costs) Diagram 4 – Stage 3 Plant Works and New Leisure Pool (Pool 2) SYSTEM 1 PLANT Stage 3 INSTALL SIDE INLETS & PIPE WORK 1 SYSTEM 1 REDUCED POOL CAPACITY NEW BALANCE TANK CAP OFF RAMPAGE ALLOW FUTURE PIPE RETICULATION NEW LANDSCAPE 21 2 NEW POOL 2 Lake Talbot Pool Complex Master Plan Report Stage 4 – Upgrade System 1 & Remove Existing Plant, Temporary Back Wash Tanks and Bridge Upgrade System 1 (50m pool) Plant consists of: Sand Filtration 2 off 50% duty filter pumps and dedicated lint strainers Variable speed drives providing constant volume system and low energy mode for overnight Calcium Hypochlorite feeder (dry chlorine) Acid feed Chemical controller for chlorine and pH Electrical reticulation between pool switchboard and associated plant Pool shell and plant room reticulation Extend reticulation to water slide Connect to new balance tank (Stage 3) Budget pricing for the above works is $550,000 + GST Other works included in Notional Order of Costs Structural & finishes works Extension of Plant Room to New System2/Water Play Plant Plant room works Convert old back wash tank to extend into existing 50m Balance tank via core holes Demolition of all existing plant across the canal Electrical, lighting, ventilation and domestic water supply Diagram 5 – Stage 4 Plant Works and Demolition Works 22 Lake Talbot Pool Complex Master Plan Report REMOVE TANKS DEMOLISH EXISTING PLANT 1 DEMOLISH EXISTING HYPO Stage 4 DEMOLISH BRIDGE NEW PLANT 1 CONNECT TO STAGE 3 PIPE RETICULATION 1 EXTEND BACK WASH INTO EXISTING POOL 1 BALANCE TANK 23 2 Lake Talbot Pool Complex Master Plan Report Stage 5 – New Water Slide New Water Slide (off New 50m Pool System) Works consists of: 1 off slide pump and dedicated lint strainer Variable speed drive providing constant volume Electrical reticulation between pool switchboard and associated plant Plant room reticulation Extend reticulation to water slide from Stage 3 piping Slide Run Off Pipe work to extend to new balance tank (Stage 3) Budget pricing for the above works is $60,000 + GST Other works included in Notional Order of Costs Structural & finishes works Slide & Tower System 24 Lake Talbot Pool Complex Master Plan Report Diagram 6 – Stage 5 New Water Slide and Connection to Plant Room Stage 5 NEW SLIDE PUMP NEW SLIDE 1 CONNECT TO STAGE 3 PIPE RETICULATION 25 2 Lake Talbot Pool Complex Master Plan Report Proposed Filtration and Water Treatment Options The items below provide budget costs and subsequent impact to proposed works in section B. a. Option of a common chlorine generation plant for all outdoor systems. Budget cost is $250,000 + GST. i. Deduct $15,000 + GST from Stage 1 if this option is used. (removes cal hypo system) ii. Deduct $15,000 + GST from Stage 2 if this option is used. (removes cal hypo system) iii. Deduct $15,000 + GST from Stage 4 if this option is used. (removes cal hypo system) ROI estimated at 5 years b. Option of dedicated commercial salt chlorinators for the 50m and Island/Family Leisure Pools. Budget cost is $115,000 + GST. (Stage 1 $35,000 (existing pools), Stage 2 add $30,000 for Splash Pad and Stage 4 $50,000) i. Deduct $15,000 + GST from Stage 1 if this option is used. (removes cal hypo system) ii. Deduct $15,000 + GST from Stage 4 if this option is used. (removes cal hypo system) ROI estimated at 7 years Discussion The proposed system is a cal-hypo-system that uses dry chlorine pellets (calcium hyper chloride). It removes OHS issues with delivery of liquid chlorine, bunding and handling. Two alternatives have been proposed for the outdoor pools. The indoor pool in stage 1 remains a calcium hypochlorite dry system. The advantages of option 1 is slightly higher reduction in running costs (power) over Option 2. Option 1 is significantly more expensive than Option2. Option 2 can be introduced in stages and is the recommended option. The Return on Investment calculations are based on using dry chlorine in a feeder for all pools (in the current cost plan). Our recommendation would be salt chlorination for outdoor pools using option 2 which involves a cost of $35,000 for disinfecting the existing outdoor pools in Stage 1 (replacing the current liquid chlorine) and then an additional $30,000 for a unit to meet the demand generated by the “Splash Pad” in Stage 2. The remaining $50,000 would be spent in Stage 4 when the upgrades to the 50m pool would be completed. Salt chlorination is more maintenance friendly for the outdoor pools than the dry chlorite “hopper feed” chlorination option and is also less expensive to operate. It will reduce the capital cost associated with the current system of liquid chlorine storage and bunding and the current delivery of chlorine access issues. The current system using liquid chlorine could be converted to a ‘dry’ chlorine system as an alternative to putting in bunding for liquid chlorine deliveries and the new unit re-located to the new plant room at a later stage. 26 Lake Talbot Pool Complex Master Plan Report Attachment 1- Notional Order of Costs LAKE TALBOT POOL COMPLEX - NARRANDERA STAGED REDEVELOPMENT NOTIONAL ORDER OF COSTS 04 NOVEMBER 2016 STAGE 1 New Program Pool, Admin, Kiosk, Club Records and Store (Includes allowance of $475,000 Pool water treatment) Modify existing plant room and tanks between Pools 1 and 2 to provide Bal Tanks for Pools 1 and 2 and B/Wash for Pool 2. Pool 2 - New Plant room; water play and Pool 1 in future Pool 2 - New Pool water treatment plant Existing 85m Water Slide – Refurbishment and change exit Fibreglass repair and resurfacing internal slide channel Surface blasting and re-flow coating to external slide Allowance to access, disassemble and reassemble Convert slide wading pool to ‘step-out’ exit-allowance (Run-out approx. $35,000 plus remediation exist. Pool) Pram/Universal access ramp – say 230lin m x 2m wide allowance subject to future detail design Solar- ‘high-efficiency’ evacuated tube roof panels Site works allowance 10% Site services -upgrade and reticulation; allowance say 7.5% STAGE 2 Interactive water play – approx 150m2 Includes new 55 m3 Balance Tanks Includes shade structure over water play Filtration and Disinfection plant for waterplay Site works allowance 10% Site services allowance say 7.5% $2,585,000 $ 100,000 $ 100,000 $ 470,000 $ $ $ 62,000 47,000 25,000 $ 60,000 $ 125,000 $ 90,000 $ 300,000 $ 215,000 $4,179,000 $ 260,000 $ 250,000 $ 26,000 $ 20,000 STAGE 3 Construct new family leisure pool - Pool 2 - approx. 600m2 Utilise PWT from Pool2; Stage 1 Demolition of existing Pool 2 Shade sails over Leisure Pool – Pool 2 - approx. 200m2 Solar heating for Leisure Pool –. Evacuated tube panels on Pool 2 plant room roof and additional structures as required Shaded spectator seating adjacent Pool 1 Solar heating for Pool 1, evacuated tube panels on roof of new spectator seating roof and existing shed Balance Tank (70,000L) for Pool 1, built in Stage 3 Removal of Pool and landscaping of Pool area to west of Pool: 1 - Decommission and removal of Rampage Slide - Partial demolition pool shell and make good - Landscape existing pool area: 27 $1,650,000 $ $ 80,000 40,000 $ 150,000 $ 100,000 $ 150,000 $ 65,000 $ 20,000 $ 150,000 $ 556,000 Lake Talbot Pool Complex Master Plan Report Sand fill, soil, turf, planting, reticulation, gazebos, Paving, lighting etc – allowance - New concourse and retaining adjacent Pool 1 Site works allowance 10% Site services allowance say 7.5% STAGE 4 Pool 1 – New Plant Room adjacent Leisure Pool Pool 1 – Pool water treatment plant Decommission existing Pool 1 plant, bridge and backwash detention – allowance Site works allowance 10% $ $ $ $ 300,000 50,000 245,000 180,000 $3,180,000 $ 100,000 $ 550,000 STAGE 5 New 3 Flume Waterslide with Runout and 10m HIGH structure – approx. 60 lin.metres each Waterslide PWT plant and pipework reticulation Site works allowance 10% Site services say 7.5% $ 80,000 $ 10,000 $ 740,000 $ 850,000 $ 60,000 $ 25,000 $ 15,000 $ 950,000 Sub-total of notional costs Design Contingency - 5% Construction Contingency – 10% $9,605,000 $ 480,000 $ 950,000 Notional Order of Cost - Sub-total $11,035,000 Consultants Fees – Engineering, aquatics and landscaping design team $ Notional Order of Cost 745,000 $11,780,000 The above indicates a notional order of cost for construction of around $11.0 million. NOTE: Allowances: The notional order of cost for this project is a “high level” overview of the likely order of cost and has been based on; described ‘scopes of work’ and undeveloped large scale Concept plans for the proposed new building works and the modifications to pools, pool plant and the construction of new water bodies and associated works on what is a topographically difficult site. Notional sums of money have been allowed for on the basis that those works will be required as part of the project development but which at this early stage are illdefined and will be more accurately costed, when further developed and the actual scope is better defined. The amounts are “ball park” but likely conservative and so should be adequate for budgeting purposes. Site works allowance – as the topography and geotechnical characteristics of the site are not yet known and the impact of actual required site works is not yet defined, a significant allowance has been made to cover uncertainties relating to this major scope item. Site services – existing site services will likely require to be upgraded Eg Electrical. Other services will require extension and/or redirection to suit the new proposals as the detailed design is developed. A significant allowance has been made to cover uncertainties relating to this major scope item. Design Contingency- a standard incorporation to cover the development of the detailed design and further incorporations. Construction Contingencies – a necessary incorporation to cover the cost of unforeseen issues arising and for additional requirements by Client, Variations or Contractual issues. 28 Lake Talbot Pool Complex Master Plan Report Staging would likely add additional costs for both construction and consulting. This relates to the costs of re-establishment on site for subsequent contractors; and the same requirement for subsequent consultants. In general terms, further development of the design of the final project scope will further define and refine the overall costings. Ultimately, the market will determine the value of these additional costs. 04 November 2016 29 Lake Talbot Pool Complex Master Plan Report Attachment 2 – Indicative Income and Expenditure for Indoor Pool Year 1 Year 2 Year 3 Year 4 40,000 42,000 44,100 46,250 Number in session/week 8 8 8 8 LTS 42,000 44,100 46,305 48,620 Casual entries @$3 13,500 14,850 16,335 17,968 Sub total 95,500 100,950 106,740 112,838 Direct Wages 137,500 151,250 166,375 183,012 Gas and Electricity 25,000 27,500 30,000 33,000 Chemicals, cleaning, trade waste, repairs, maintenance, printing, purchases etc. 35,000 38,500 42,350 46,585 15,000 20,000 25,000 Income – Program Pool Program e.g. aquafit $10.00/session (10 sessions/wk) Expenditure Provisional amount for Depreciation/Capital Expenditure etc. Council charges (on-costs, super, insurances etc) 20,000 22,000 24,500 27,000 Sub Total 217,500 254,250 283,225 314,597 Total Surplus (Deficit) (122,000) (153,300) (176,485) (201,759) 30 Lake Talbot Pool Complex Master Plan Report Attachment 3 – Acor Report 2011 31
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