Revival Project Work Package 07

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Revival Project -Work Package 07
Daneshill House Stevenage
Progress Report Six Florence May 2006
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REVIVAL STEVENAGE

• Stevenage Work Packages

• Night Cooling using thermal mass PCM
• Partial Night Cooling using thermal mass PCM
• Energy Efficient Lighting controls
• Low Energy Lighting Controls
• Solar Collection System for domestic hot water
• Control Alterations to Existing AC Plant
• Associated project works
• Winter Ventilation to Old Block
• Replacement of Under floor Electric Heating to
  Old Block
• Overall aim to demonstrate Co2 reduction of 50
  compared to existing building.

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REVIVAL STEVENAGE

• Delivery Context of Stevenage Work Packages

• The 14 Stevenage work packages are being
  delivered as part of Phased programme of
  refurbishment of an occupied public building.
• They are part of 8 individual refurbishment
  projects with different funding and timescales.
• The 8 projects have a total value of 2.35m
• (3.3m Euros)
• The Revival financial contribution is 48k
• (67,000 Euros) 2

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REVIVAL STEVENAGE

• Update on Progress and Delivery May 2006

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REVIVAL STEVENAGE

• Update on Progress and Delivery

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REVIVAL STEVENAGE
Problem Encountered in last reporting period

• Tenders for current phase of works (including 4th
  floor new block) were 996k against budget
  available of 756k
• Council decided to omit 5th floor old block from
  current phase of works.

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REVIVAL STEVENAGE

• Atrium Energy Efficient Controls

• The control alterations to the ground first
  floor Atrium areas are now completed final
  commissioning under cooling load conditions will
  take place in May 2006.
• Energy monitoring under the improved system will
  take place during summer 2006.

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REVIVAL STEVENAGE
Old Block Summer Cooling Energy Efficient
Lighting Works

• Work on 3rd floor summer cooling lighting
  controls will start on site in May 2006
• Work will include the Squid top up mechanical
  cooling units.

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3rd floor Night Cooling with Squid top up
mechanical cooling
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CoolDeck Component Drawing
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Squid Top Up Cooling Unit
Inlet
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3rd floor Solar Occupancy lighting control
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REVIVAL STEVENAGE
4th floor New Block Refurbishment
Direct comparison can be made with Night Cooling
areas
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REVIVAL STEVENAGE

• Solar Water Heating

• Detailed design completed and scheme out to
  tender.
• Vacuum tube type solar panels have been selected
• Completion of installation due Summer 2006

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REVIVAL STEVENAGE

• Solar Water Heating

• Existing water heating using 25.9MWh/year
• Current emissions 11,148kg/CO2/year
• New emissions 3,302kg (Reduction 66)
• New solar water heating to include Gas auxiliary
  heater

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Annual Costs and Savings Comparison
Table from MouchelParkman Feasibility Study
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Installation Cost Comparison of Two Types of Panel
Table from MouchelParkman Feasibility Study
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REVIVAL STEVENAGE
Solar Water Heating

• Life Cycle Analysis Whole Life Cost

Table from MouchelParkman Feasibility Study
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REVIVAL STEVENAGE
Solar Water Heating
31 m2 of solar panels 35kw auxiliary gas boiler
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REVIVAL STEVENAGE
Winter Ventilation to Old Block

• To provide acceptable winter ventilation to the
  old block, a system of Co2 controlled radiators
  is being installed.
• The system is called oXygen manufactured by
  Jaga of Belgium
• 6 radiators are being installed as part of the
  3rd floor project

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REVIVAL STEVENAGE

• System has Co2 controls and can also be used in
  summer to provide controlled ventilation within
  the passive cooled area

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REVIVAL STEVENAGE
Phase Change Material Issues

• Workshop held in November to discuss issue raised
  at London meeting over PCM service life.
• Workshop looked at PCM sample from 6th floor with
  330 actives cycles since 2002

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REVIVAL STEVENAGE
PCM Workshop Findings

• No physical signs of change evident in the 2002
  installed samples examined
• Future on site PCM temp. monitoring should be
  taken in middle of material. (New probe
  temperature sensor has been obtained tested)
• 2002 samples require retesting off site.
  (Climator subsequently retested 2002 samples in
  factory) Independent testing needed
• No definitive view was expressed over whether to
  use C24 or C22 in next phase.
• (Goran Head considers the difference cannot be
  measured)

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REVIVAL STEVENAGE
PCM Development

• PCM manufacturing process has changed
• Now smaller, vacuumed sealed packets
• Increased capacity for same volume

• Implications for CoolDeck System
• Greater surface area airflow disruption which
  may improve efficiency
• Two full plate PCM samples have been produced
  tested on 6th floor (some slight increase in
  system noise was evident)

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REVIVAL STEVENAGE

• Single CoolDeck plate with new format PCM
  Modules

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Summary Energy Consumption Monitoring Table
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Summary Energy Consumption Monitoring Table
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REVIVAL STEVENAGE

• Next Period of the Stevenage Project

• Control Alterations to Existing AC Plant
• Carry out the comisioning and commence monitoring
  of new control system
• Solar Collection System for domestic hot water
  system
• Place order for and complete the installation of
  the new solar hot system (complete with auxiliary
  gas boiler.

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REVIVAL STEVENAGE

• Next Period of the Stevenage Project

• Passive Cooling to Old Block Areas
• Complete the installation of a passive cooling
  system on third floor of the old block area.
• Energy Efficient Lighting to Old Block Areas
• Complete the installation of an energy efficient
  lighting system on third floor of the old block
  area.
• Co2 Stock Analysis
• Prepare consultants brief commission
  Consultant for Co2 Stock Analysis
• Continue Monitoring Programme
• Complete summary monitoring template
• Temperature Power on 3rd floor Old Block
• Atrium Temperature Power
• Power monitoring to 4th floor new block
• Repeat CoolDeck monitoring on 6th floor with
  probe in centre of PCM

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Thank youany questions?