Tralee Town Council Mitchels Boherbee Regeneration
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Transcript of Tralee Town Council Mitchels Boherbee Regeneration
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Tralee Town CouncilMitchels Boherbee Regeneration
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Mitchels Boherbee Regeneration
Vision Statement Establish an Energy Efficiency self
sustaining area meeting the
identified demand, transforming the
local economy base through job
creation and achieving a high living
standard and excellent quality of
life.
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TOBAR NAOFAHIGH QUALITY, ACCESSIBLE
ACCOMMODATION FOR THE ELDERLY
• In November 2008, Tobar Naofa was completed as part of Phase One of the Regeneration Project
• Consists of 46 - Apartments and caretaker accommodation.
• Fully accessible and designed for independent living by the elderly.
• Secure Living : On-site resident caretaker, controlled access gate and private open space
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TOBAR NAOFATOBAR NAOFA
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SUSTAINABILITY• Economic Sustainability in re-
using a brown field site close to the town centre and achieving a density of 44 units per hectare.
• Social Sustainability- by providing a safe environment for elderly people to live independently within their community and with back up services at hand.
• Environmental Sustainability by reducing the energy demand of the residents and the use of a sustainable fuel.
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TOBAR NAOFATOBAR NAOFA GREEN DEVELOPMENT
• Designed to SEI ‘House of Tomorrow’ standards i.e. 40% better insulated than the 2005 Building Regulations
• Average annual saving of 0.8 tonnes of CO2 / €200 per 2-bed apartment per year
• Renewable resource- Wood Chip - fuelled District Heating System sourced locally
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TOBAR NAOFATOBAR NAOFA
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Tobar Naofa, Block 5
• Designed in compliance with 2008 Building Regs.
• 6 Units, 5 2-beds and 1 1-bed• Project cost: €1.04 million
(incl. vat)• These units are to BER B1
standard• Special features:
– Solar panels– Photovoltaic– Rain water harvesting– Air tightness (0.5 ac/hr)
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Heated with a Wood Chip fuelled District Heat
System
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Wood Chip Conveyor and Store
•
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Wood Chip Conveyor and Store
• The Wood Chip is unloaded into the underground conveyor.
• The Chip is then transferred into the 80m³ Fuel Store.
• Unloading of a six ton delivery takes ½ hr. approx.
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Plant Room• Two 500kW Hertz Wood Chip
Boilers each with an auger feed system from the fuel store.
• The boilers which operate on duty/assist control are linked to two 5,000l thermal store buffer tanks.
• Distribution header with separate branch, pump and district heat pipe for each block of apartments and spare connections for future demand.
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Fuel Supply Annual Demand
• 1,130 ton Wood Chip
• < 25% moisture content
• 3,400 MWhr Produced
• 3.01 MWhr per ton
• Displaces 300,000 litres of Oil
• Reduces CO2 levels by 900
tons
• 8,230 kWh per Apartment
• €700.00 per annum for heating
and hot water.
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Heat Meter
• The kWh heat output from the Boiler Plant is recorded on the Heat Meter.
• The Wood Chip Supplier records the reading at each delivery for billing purposes.
• The Supplier bills the Council on kwhs of heat produced.
• North Kerry Wood Chip, Knocknagashel, is the present fuel supplier.
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Grant Support
• The Biomass Boiler Plant was Grant funded by Sustainable Energy Ireland SEI under their Renewable Heat Deployment Programme.
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District Heating System• District Heat Pipe Network to
each apartment block providing temperature controlled space heating and instant hot water on demand at low cost.
• Supplying water at 700c throughout the development
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Heat Distribution Substation
• Heat exchanger for instant hot water with anti-scald control.
• Underfloor heating manifolds with circulating pump and temperature limiting control.
• Time clock to control space heating times..
• Heat Meter measuring Kilowatt Hours.
• Pre-Payment Card System linked to an isolating valve.
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Underfloor Heating
• Energy efficient uniform heating throughout the apartment.
• Underfloor network designed to operate at low temperature 35ºC.
• Heat thermostatically controlled in each unit
• Heat store is built up gradually - no peak demands on Boiler Plant
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PAY AS YOU USE PREPAYMENT SYSTEM
“Pay As You Use Pre Payment System” will provide the following benefits to the householder
• Addressing fuel poverty
• Control over their budget
• No bulk purchase of fuel required
• Energy Awareness Tool
• Hot water and heating on demand
• Increased comfort level at reduced cost
This prepayment system is already in use in 200
houses in Tralee and 60 in Killarney
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District Heating Route
Malachy Walsh and Partners Consulting
Engineers
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Tralee District Heating Scheme
Malachy Walsh and Partners Consulting
Engineers
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RETROFIT HOUSING STOCK
• To achieve a minimum Building Energy Rating of C1 for all housing units in the town
•Pilot scheme, external insulation to 45no. Units
•This pilot produced 30 jobs 14 weeks
•Building Energy Rating improved from G to C
•Potential savings €1000 - €1500 on heating and hot water cost per unit.
•Average insulation cost per unit is €9,540
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PAY AS YOU SAVE
– Retrofitting houses to a BER level of C1
• Average cost per unit will range from
€2,000 to €10,000
• Grants and tax relief are available for
private houses with the balance being
made up through the proposed Pay As You
Save Scheme
• This will be recouped from the potential
savings of €1000 - €1500 on energy cost
per unit per year, over 3 to 5 years
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Local Authority Housing for Tralee Town Council Completed 2006
Rath Óraigh Rath Óraigh Housing Housing
DevelopmentDevelopment
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7 No Bungalows and Crèche
Under-floor heating supplied by geothermal heat pump using the larger open kick-about-space for the collection pipes.
Solar panels for hot water Mechanical Heat Recovery Ventilation
Rath ÓraighRath Óraigh
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House Refurbishment
Outdoor Condenser Unit Indoor Wall Unit
• Air/air – air/water heat pumps used in single and two bed house refurbishments.
• Heating costs reduced by over 60% in comparison to electric storage heating.
• No bulk purchase of oil required.
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Cunamh Energy Action• The Cunamh Energy Action, Insulation Programme
commenced in 1996 as a FAS C.E. Scheme to provide attic insulation, draught proofing and energy awareness advice.
• Supported by Tralee Town Council, Kerry County Council, NEKD and FAS.
• In 2000 the cavity wall insulation started - to address fuel poverty
• In 2002 became a FAS Social Economy Project, employing 13 staff.
• In March 2003, secured a partnership contract with SEAI under the warmer homes scheme, with four insulation crews and 17 full time staff.
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Thank You