HKGBC ACT-Shop Driving Retro-commissioning to The Private Sector - - PowerPoint PPT Presentation

HKGBC ACT-Shop Driving Retro-commissioning to The Private Sector

18 MAY 2017

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Content

• 1. Recap - ACT-Shop Cases
• 2. ACT-Shop Active Training
• 3. Way Forward – Any Opportunities

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RECAP - ACT-SHOP CASES

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Suggested Re-tuning Work Bldg A Bldg B Bldg C Bldg D Bldg E Internal Floor Area (m2)

36,218 4,485 150,000 45,000 20,349

Chillers Reduce chiller operation (N-1) to achieve higher

• verall COP

5-6% <1 year 3-5% 3-5 year 3-5% <1 year

Increase Tcws

1-3% <1 year 1-3% <1 year 1-3% <1 year

• Max. demand shedding

0-1% <1 year 1-3% <1 year 0-1% <1 year 1-2% <1 year 0-1% <1 year

Pumps (chilled water flow) Re-tune bypass valve setting

1-3% <1 year 1-3% <1 year 1-3% <1 year

Install differential pressure sensors at the critical path

1-3% <1 year 1-3% <1 year

Install VSD on the existing chilled water pumps

N/A 3-5% 3-5 year 3-5% 3-5 year N/A

Cooling towers Reactive cooling tower (CT) optimisation

N/A N/A

1-3% <1 year

N/A

1-3% <1 year

First Batch - Saving Summary

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Second Batch – General Summary

• Target Participant
• 20+ Developers in Hong Kong
• 5+1 participants

2nd Batch Summary Building Case IFA (m2)

• No. of

Chiller Plant F 693,371 5 G 97,986 2 H 95,122 4 I 96,518 3 J 72,299 2 K 7,600 2

T

• tal Floor Area Summary

Batch 1 Batch 2 250,000 m2 1,100,000 m2

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ACT-SHOP ACTIVE TRAINING

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Sustainable / Organic model

Promotion, Invitation & Introduction of ACT-Shop Process Knowledge / Experience sharing Culture/Data/ Knowledge Formation Action & Evaluation Feed to Active Training Any Opportunities ??

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Opportunities: Technology Integration

Programme Timeline – ACT-Shop Series

2nd Batch Registration

Feb 2017 5 + 1 2nd Batch Jul 2016 Jul 2017 1st Batch 5 5 + 1 Feb 2018 5 + 1 Jul 2018

Active Training Class (Session 1)

3rd Batch Registration

May 2017

4th Batch Registration

Oct 2017

Preparation Work Preparation Work

Active Training Class (Session 2)

3rd Batch 4th Batch Nov 2016 Pilot Training Continuous Sharing Pilot Training

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ACT-Shop

• Build up knowledge & competence of the participating

building operators/services providers

• Target
• At least one building from the 20+ large commercial

building owners + a few other pilot cases

• On-going knowledge update

Active Training

• Reinforcement and Extending to Industry

Technical integration

• Facilitate development of BIM & fully utilisation of BMS

Continuous Sharing

• Forums
• Experience sharing with EMSD & Industry
• Best Practice Notes

ACT-Shop Series

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Active Training

Objectives

• Knowledgeable client
• Knowledgeable services providers
• Knowledgeable services / product

As a MAINSTREAM in Industrial O&M Practices

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Active Training

Target Participants

• Building Managers / Engineers / Operators
• Service / Product Providers / Contractors
• Mode of training - Semi-ACT-Shop
• Go through the essential process of retro-commissioning
• Use real data from participants’ buildings
• Participants are expected to:
• Have in-depth knowledge/skills and know how retro-commissioning works
• Lead in-house team / service provider to carry out retro-commissioning
• Provide specification & requirements to service providers when contract out

the process

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Active Training

Training module for pilot being establishing Module Structure

• Theory
• Basic theories on HVAC relating to energy efficiency
• Basic mathematical and analytical methods used during the training
• Knowledge based retro-commissioning based on real case and data
• Data collections, screening and data analysis,
• Identifying opportunities
• Saving estimates and evaluation
• Practical methods on implementing improvements
• Measurement and verification
• Exercises with participants’ data
• Technology sharing by suppliers
• Performance characteristics of major equipment/BMS/services/design
• New technologies
• Industry updates
• Government, other institutions or other speakers
• Group or individual project (optional)
• An energy saving project report demonstrating what has learnt (saving

estimation, implementation, measurement & verification)

• Future modules on knowledge based energy management

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WAY FORWARD – ANY OPPORTUNITIES

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Active Training

Extending Accelerating

Leveraging on commercial values

• Merge technology with people
• Hotels and FM managed buildings
• Create value and edge for Facility management companies
• Include services/product providers for ACT-Shop and training
• Link available incentive schemes

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Government /institutional Large consumers/self-

• wned

Buildings managed by FM Hotel Pilots, Tech. Guide ACT- Shop, active training Creating value and edge for FM Integrating technology - people Developing data/experience for hotels Other multi-owned buildings Incentive opportunities

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Considerations

• Growing demand from client on energy saving and green operation
• Corporate branding on CSR
• Create value for client at a low cost as RCx focuses on low cost optimisation
• Trained on-site staff can carry out the work
• An added edge to secure FM contracts
• Get additional remuneration on managing retro-fitting works

Will Facility managers be interested in selling RCx ?

Moving Forward

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Technology & People Integration

• Pneumatic Control
• Gauges,

thermometer, utility metres ACT-Shop Drivers

• Digital Control
• Functional

automation

• Natural Curve

Control

• Data/Information

Display

• Building Analytic &

Smart grid system

Experience-based Knowledge-based

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User’s Needs

How good? How bad?

Questions Solutions

Are we getting better? Benchmarking picture? Any actions to improve system performance?

0.0 10.0 20.0 30.0 40.0 50.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 21.0 % of Load Daily Hour

Chiller Load Percentage Daily Profile

0.0 2.0 4.0 6.0 8.0 10.0 12.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 21.0 COP Daily Hour

Coefficient of Performance Daily Profile

0.0 5.0 10.0 15.0 20.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 21.0 Temperature Daily Hour

Approach Temperature Daily Profile

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0.0 20.0 40.0 60.0 80.0 100.0 500 1000 1500 2000 2500 3000 3500 % Load of System System Cooling Load (kW)

Chiller Load Percentage vs Cooling Load

Customising User’s Needs

Daily Profile from Logsheet / BMS Plotting parameters against demand and weather condition Draw Design Curve & Customisation Curve

1 2 3

0.0 20.0 40.0 60.0 80.0 100.0 500 1000 1500 2000 2500 3000 3500 % Load of System System Cooling Load (kW)

Chiller Load Percentage vs Cooling Load

Identify “Good” and “Poor” Area

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0.0 10.0 20.0 30.0 40.0 50.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 21.0 % of Load Daily Hour

Chiller Load Percentage Daily Profile

How good? How bad?

0.0 20.0 40.0 60.0 80.0 100.0 500 1000 1500 2000 2500 3000 3500 % Load of System System Cooling Load (kW)

Chiller Load Percentage vs Cooling Load

Good Poor

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Customising User’s Needs

0-4

Poor

4.1-6

Fair

6.1-8

Good

8.1 or Above

Excellent COP Customisation Benchmarking

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0.0 2.0 4.0 6.0 8.0 10.0 12.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 21.0 COP Daily Hour

Coefficient of Performance Daily Profile

0.0 2.0 4.0 6.0 8.0 10.0 12.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 21.0 COP Daily Hour

Coefficient of Performance Daily Profile

Average Identify average base line from varies time interval

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Are we getting better? Benchmarking picture?

Daily Profile from Logsheet / BMS

1

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Customising User’s Needs

0.0 2.5 5.0 7.5 10.0 12.5 15.0 0.0 5.0 10.0 15.0 20.0 25.0 30.0 Temperature (°C) Wet-bulb Temperature

Approach Temperature in Cooling Towers vs weather

0.0 5.0 10.0 15.0 20.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 21.0 Temperature Daily Hour

Approach Temperature Daily Profile

Any actions to improve system performance?

Daily Profile from Logsheet / BMS

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Plotting parameters against weather condition

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0.0 2.5 5.0 7.5 10.0 12.5 15.0 0.0 5.0 10.0 15.0 20.0 25.0 30.0 Temperature (°C) Wet-bulb Temperature

Approach Temperature in Cooling Towers vs weather

Draw upper limit and lower limit boundary

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Evaluate space of improvement

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0.0 2.5 5.0 7.5 10.0 12.5 15.0 0.0 5.0 10.0 15.0 20.0 25.0 30.0 Temperature (°C) Wet-bulb Temperature

Approach Temperature in Cooling Towers vs weather

Poor Good

1 oC 3 oC 8 oC 4oC

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Invitation for Expression of Interest (Eol) to Participate as the “ACT-Shop” Pilot Project: www.hkgbc.org.hk/eng/EoI.aspx

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