Welcome SAP SBEM Industry Workshops Section 6 Energy Standards

Welcome SAP/SBEM Industry Workshops Section 6 Energy Standards Stewart Dalgarno Construction Scotland ILG Member Lead on Planning & Building Standards Work Group

Construction Scotland • The leadership organisation for the sector. • Unique partnership of businesses, trade bodies , universities & government • Scottish Construction Industry Strategy (Oct 12) • Safer, successful & forward looking industry • Driving innovation & productivity • Working in partnership to deliver low carbon environment • Building a dynamic, united industry with a cohesive voice WWW. CS-IC. org

Purpose of Today • Raise awareness of the changes (Oct 15) • Discuss & gather feedback on the implications • Document issues, for future discussion with SBS & Industry

Agenda – Half Day • Part 1 – Presentations (60 mins) • Comfort break (15 mins) • Part 2 – Workshop: Break Out Groups (90 mins) • Part 3 – Summary & Close (30 mins) Rob Pannell, Managing Director ZCH, Event Facilitator

Section 6 – Energy Non-domestic 2015 changes Kingsland Primary School Archial Architects Image courtesy Paul Zanre Steven Scott Building Standards Division

Non Domestic 2015 CO 2 emission reductions CO 2 emissions reduction over 2007 60% CO 2 emissions reduction over 2010 43% Section 7 - new nondomestic now meet silver aspect for CO 2 emissions.

Non Domestic 2015 Standard 6. 1 - CO 2 emissions • 2015 notional building specification • Differs for natural & mechanically ventilated zones in building • Heating /fuel in actual building sets TER • Low Carbon Equipment element • 6. 1 now applies to large extensions • 2015 NCM Modelling Guide applied within SBEM v 5. 2 f

Summary table taken from published research on the impact of moving from v 4 to v 5 SBEM http: //www. gov. scot/Resource/0 046/00465748. pdf 2015 notional building specification

Table taken from published 2015 NCM Modelling Guide for Scotland http: //www. gov. scot/Reso urce/00469802. pdf 2015 notional building specification

Non Domestic 2015 Standard 6. 2 - building fabric • Changes relate to standard 6. 1 and TER/BER • ‘Backstop’ U-values for newbuild unchanged • Option to apply default 10% additional heat loss for linear thermal bridging • Update on situations where airtightness testing of new buildings need not be undertaken (UK alignment)

Non Domestic 2015 Building Services 6. 3 - Heating systems 6. 4 - Insulation of pipes, ducts & vessels 6. 5 - Artificial lighting & display lighting 6. 6 - Mechanical vent. & air conditioning

Non Domestic 2015 Otherwise… Provisions unchanged for new build: • 6. 7 - Commissioning building services • 6. 8 - Written Information • 6. 9 - Energy Performance certificates • 6. 10 - Metering Reminder: • Standard 6. 1 & consideration of high-efficiency alternative systems* * see http: //www. gov. scot/Resource/00427425. pdf

Thank you for listening. . . See www. gov. scot/s 6 -2015 Contacts at BSD: fraser. walsh@gov. scot - 01506 600415 steven. scott@gov. scot - 01506 600414

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Section 6 – Energy Model Case Studies AUGUST 2015 ENVIRONMENTAL DESIGN CONSULTANTS + LIGHTING DESIGNERS | atelierten. com

Shaping a more sustainable world

healthy and Shaping a more sustainable world

International Building Services and Environmental Engineers We are an international team of building services engineers, environmental designers and lighting designers focused on delivering sustainability in the built environment. We have been designing “green” buildings for 24 years and have evolved a team with the broad range of complementary skills that are essential to the design of high performance buildings of the future.

Case Study Models

Retail Example BUILDING ELEMENT EXAMPLE OF 2015 COMPLIANT SPECIFICATION Wall U-value: 0. 26 W/m²K Wall U-value: 0. 19 W/m²K Floor U-value: 0. 22 W/m²K Floor U-value: 0. 18 W/m²K Roof U-value: 0. 20 W/m²K Window U-value: 1. 6 W/m²K Fabric Performances EXAMPLE OF 2013 COMPLIANT SPECIFICATION Window U-value: 1. 1 W/m²K Building Air Tightness: 3 Heating/ cooling Domestic Hot Water Ventilation Lighting m 3/hr·m² Gas fired air handing units to sales floor (80% efficiency). Electric panel to back of house Building Air Tightness: 3 m 3/hr·m² Radiant panels to sales floor & radiator central heating to back of house (Mains Gas LTHW boiler 92% efficiency) Electric instantaneous Mechanical Ventilation (No heat recovery) Mechanical Ventilation with 80% efficient heat recovery High performing T 5 to sales areas and CFLs in back of house areas. Daylight dimming to sales floor & offices Renewables None 100 m² PV Array (4% GIFA) BER 67. 63 40. 70 TER 42. 03 NO (Failed by 25. 6 kg. CO 2/m²) YES (Pass by 1. 33 kg. CO 2/m²) 2015 Section 6 Compliance

School Example BUILDING ELEMENT EXAMPLE OF 2013 COMPLIANT SPECIFICATION 2015 NOTIONAL BUILDING SPECIFICATION Wall U-value: 0. 26 W/m²K Floor U-value: 0. 22/0. 20 W/m²K Roof U-value: 0. 18/0. 16 W/m²K Window U-value: 1. 6 W/m²K Fabric Performances Wall U-value: 0. 23/0. 20 W/m²K Window U-value: 1. 8/1. 6 W/m²K Building Air Tightness: 5 m 3/hr·m² Building Air Tightness: 5/3 m 3/hr·m² Domestic Hot Water Ventilation Lighting Ground Sourced Heat Pump (GSHP) Heat Pump (electric @ 157. 5% efficiency) Gas fired Water heaters (86. 45% efficiency) Natural Ventilation Assessed on zone by zone basis High performing T 5 to classrooms and LEDs in core/ toilets. Heating/ cooling 60/65 luminaire lumens per circuit-watt Daylight dimming and occupancy sensing applied throughout Renewables GSHP + 208 m² PV Array (8. 4% GIFA) Occupancy sensing ( Manual-on-Auto-off) PV (5. 4 k. Wh per m² GIA)

Hotel Example BUILDING ELEMENT 2015 NOTIONAL BUILDING SPECIFICATION Wall U-value: 0. 22 W/m²K Wall U-value: 0. 23/0. 20 W/m²K Floor U-value: 0. 22/0. 20 W/m²K Roof U-value: 0. 17 W/m²K Roof U-value: 0. 18/0. 16 W/m²K Window U-value: 1. 6 W/m²K Fabric Performances EXAMPLE OF 2013 COMPLIANT SPECIFICATION Window U-value: 1. 8/1. 6 W/m²K Building Air Tightness: 5 m 3/hr·m² Heating/ cooling Air Sourced Heat Pump (ASHP)/ Variable Refrigerant Flow (VRF) Building Air Tightness: 5/3 m 3/hr·m² Heat Pump (electric @ 157. 5% efficiency) Cooling SEER 4. 5 Ventilation Lighting Gas fired water heaters Gas fired Water heaters (86. 45% efficiency) Mechanical Ventilation with 65% efficient heat recovery Assessed on zone by zone basis. Where present, MVHR 70% efficiency LED lighting to corridors, bedrooms & en-suites. Domestic Hot Water 60/65 luminaire lumens per circuit-watt High performing T 5 to back of house areas. Manual switching control to bedrooms. Occupancy sensing ( Manual-on-Auto-off) PV (5. 4 k. Wh/m² GIA) Renewables ASHP Note – for multi-storey, PV array limited to 50% of roof area

Office Example BUILDING ELEMENT Lighting Roof U-value: 0. 18/0. 16 W/m²K Window U-value: 1. 8/1. 6 W/m²K Building Air Tightness: 3. 58 m 3/hr·m² Ventilation Floor U-value: 0. 22/0. 20 W/m²K Roof U-value: 0. 13 W/m²K Curtain Wall U-value: 1. 36 W/m²K Domestic Hot Water Wall U-value: 0. 23/0. 20 W/m²K Floor U-value: 0. 15 W/m²K Heating/ cooling 2015 NOTIONAL BUILDING SPECIFICATION Wall U-value: 0. 19 W/m²K Fabric Performances EXAMPLE OF 2013 COMPLIANT SPECIFICATION Building Air Tightness: 5/3 m 3/hr·m² Air Sourced Heat Pump (ASHP)/ Variable Refrigerant Flow (VRF) Heat Pump (electric) 157. 5% efficiency Cooling SEER 4. 5 Gas fired water heaters (86. 45% efficiency) Mechanical Ventilation with 80% efficient heat recovery Assessed on zone by zone basis. Where present, MVHR 70% efficiency High performing T 5 to offices and LEDs in core/ toilets. Daylight dimming to offices 60/65 luminaire lumens per circuit-watt Occupancy sensing ( Manual-on-Auto-off) PV (5. 4 k. Wh/m² GIA) Renewables ASHP Note – for multi-storey, PV array limited to 50% of roof area

Conclusions • Modelling becoming more detailed – Dynamic Simulation Modelling • Early stage modelling to define façade designs and glazing fenestration • Passive design measures to reduce heating, cooling & lighting loads • Consideration of LZCT at project outset • High levels of thermal performance and air tightness – balance with healthy indoor environment • Spatial planning to consider larger plant and equipment & integration of LZCT

Thank You!

Any Questions ?

Part 2 SBEM Workshop Facilitated by Jack Brayshaw Elmhurst Energy

Part 2 SBEM Workshop Objective: • Gather feedback on the critical areas where industry considers there to be risks and opportunities • Provide the Building Standards Division concise feedback indicating where government and industry can collaborate to deliver more robust solutions for the 2015 standards and beyond

Building Scenarios Building Type Typical Spec to 2013 requirements Potential Building Spec to Achieve 2015 Standards Office Fabric Performance Fabric Constructions Heating/cooling Ventilation DHW DHW Lighting Renewables BER BER 2013 TER 2015 TER Retail School Hotel Fabric Performance Fabric Constructions Heating/cooling Ventilation DHW Lighting Renewables BER 2013 TER 2015 TER

Part 2 SBEM Workshop Handouts A range of pre-calculated solutions will be presented to provide the attendees with an appreciation of the new performance requirements. In addition the following wall chart will be preprinted in large format and co-branded with supporting partner logos etc.

Step 1: Opportunities and Risks • 5 top risks and / or opportunities industry face delivering the new 2015 building standards. • Think across the entire new build process / supply chain. • Populate the top half of the chart with post –its in appropriate column • Once all post its are up step back and discuss • • • NOTE _ Please use the marker pens as we need to photograph the wall charts for the final report Are there any themes appearing? Can we group issues? Are there any logical links between risk and opportunities?

Step 2: How could industry & government make this change a success? • 5 top ideas for Industry and / or Government initiatives. • Think across the entire new build process / supply chain. • Stick post it notes up on the wall chart at the point most appropriate NOTE _ These ideas do not have to specifically relate to any of the earlier post its or groups. All good if they do but not essential. • Discuss • Are there any themes appearing / can we group some? • Ideas can be for promotional activity / best practice case studies / shared R&D activities / planning incentives? etc.

Part 3 Facilitator Summary 5 minutes for the Facilitator from each table to summarise findings

Thank You SAP/SBEM Industry Workshops Section 6 Energy Standards WWW. CS-IC. org Stewart Dalgarno Construction Scotland ILG Member Lead on Planning & Building Standards Work Group