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NABERSNZ ™ - One year on?

NABERSNZ ™ - One year on?. Vanessa McGrath – NZGBC Lance Jimmieson - Jackson Engineering Advisers. Agenda. Where did NABERSNZ come from? The benefit of hindsight The introduction and growth of NABERSNZ Understanding NABERSNZ How NABERSNZ relates to Facility Managers

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NABERSNZ ™ - One year on?

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  1. NABERSNZ™ - One year on? Vanessa McGrath – NZGBC Lance Jimmieson - Jackson Engineering Advisers

  2. Agenda • Where did NABERSNZ come from? • The benefit of hindsight • The introduction and growth of NABERSNZ • Understanding NABERSNZ • How NABERSNZ relates to Facility Managers • How to maximise your building • Next steps

  3. National Australian Built Environment Rating System (NABERS) Australian History & Results

  4. Aussie Rules Nov 2001: Mandated in Australia 2,000 m2 + buildings must disclose a current Building Energy Efficiency Certificate (BEEC). 

  5. Property Council Australia - Quality Grading

  6. NABERS in Australia

  7. The impact on the Property Market

  8. NABERSNZ - Introduction • Existing building performance rating system • Energy performance benchmarking • Compare energy efficiency of commercial office buildings Range: 0 to 6 Stars • Three types of ratings

  9. NABERSNZ - Philosophy: To compare apples with apples Make allowances for: • Climate • Hours of operation • Core service delivery functions Standardised methodology

  10. NABERSNZ - Progress to date • Pilot training & assessments February 2013 • Official Launch June 2013 • 12 Certified Ratings (Published) • 352 Self Assessments • 175,579m² of commercial office space has undergone a Certified Rating thus far

  11. NABERSNZ - Results(m2 Rated)

  12. NABERSNZ RulesEnergy Loads

  13. What does NABERSNZ rate?

  14. Tenant loads Power and Lighting to Tenancy rentable area Power and Lighting to Tenancy service areas assigned to a single tenant Tenant-installed signage within or on the building Tenant-controlled supplementary air conditioning to meet a special tenant requirement Generator fuel for a tenant

  15. Base building loads Central plant i.e. chillers, boilers, AHUs Centralised supplementary services provided for tenants Toilet exhaust fan Lifts & escalators Exterior lighting Lighting and power in common areas Exterior signage HVAC to meet normal office needs Automatic blinds to control internal temperature Car park ventilation and lighting for tenant use HVAC to meet normal office requirements Generator fuel where it serves central services

  16. Data Required • Survey plans measured to PCNZ standard • Leases, BMS records, after hour records, occupancy surveys • Computer count • Utility bills, check meter readings, diesel delivery bills

  17. First time is always the hardest Major challenges: • Lack of adequate metering • NLA surveys • Lack of up to date single line diagrams • Need for retro-commissioning

  18. Facilities Managers Influence

  19. Facilities Managers Skills

  20. Energy Efficiency Consideration • Part Load (pumps, fans, chillers, boilers, etc.) • After-hours strategy (base building system) • Economy cycle • Re-heat and humidity control • Allowing for a single-tenant or a multiple tenants

  21. Next steps • Is your building NABERSNZ ready? Find out • Enabling works? • First certified rating- can remain private • Focus on the journey • Energy efficiency improvement plan • Engagement from tenants, property owners etc.

  22. Education options NABERSNZ Practitioner course • A basic knowledge of the Rules, the data required, metering requirements, common problems in existing buildings. Access to the reverse calculator NABERSNZ Assessor course • Carry out NABERSNZ Certified Ratings • Access to the rating tool

  23. Questions? • You can contact the NABERSNZ Team at the New Zealand Green Building Council:Email: nabersnz@nzgbc.org.nzWeb: www.nzgbc.org.nz • For further information on NABERSNZ visit:www.nabersnz.govt.nz • For more information on how your organisation can improve your energy efficiency visit:www.eecabusiness.govt.nz

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