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 • WWW.CS-IC.org environment Building a dynamic, united industry with a • cohesive voice
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 Domestic 2015 changes Fraser Walsh Building Standards Division 0% Orchard Neuk A449 ltd Architects
Domestic 2015 Key changes • 21% reduction in CO 2 emissions for new dwellings (6.1) o No change to methodology - SAP 2012 used • Improved fabric backstop U-Values (6.2) • Domestic Building Services Compliance Guide (6.3 -6.6) • Introduction of ‘Quick Start Guide’ for new dwellings (6.8) • Updated Accredited Construction Details
Domestic 2015 CO 2 reductions CO 2 emissions 45% reduction over 2007 CO 2 emissions reduction 21% over 2010 Section 7 - new domestic now meet silver aspect for CO 2 emissions.
Main space heating system fuel [1] [2] [3] Element or Gas (Package LPG (Package Oil (Package Electricity Biomass [4] System 1) 2) 3) (Package 4) (Package 5) Walls U = 0.17 U = 0.17 U = 0.17 U = 0.17 U = 0.17 Floors U = 0.15 U = 0.15 U = 0.15 U = 0.15 U = 0.15 Roofs U = 0.11 U = 0.11 U = 0.11 U = 0.11 U = 0.11 Openings [5] U = 1.4 U = 1.4 U = 1.4 U = 1.4 U = 1.4 Allowance for 0.08 x total 0.08 x total 0.08 x total 0.08 x total 0.08 x total thermal exposed exposed exposed exposed surface exposed bridging [6] surface area surface area surface area area surface area Open flues None One One None One Heating Gas boiler LPG boiler Oil boiler Air to water heat Wood pellet system, pump room-sealed room-sealed room-sealed pump 175.1% boiler 86% efficiency [8] in heated fan flued 89% fan flued 89% fan flued 90% efficiency, space [7] efficiency efficiency efficiency HETAS approved Heating Time and Time and Time and Time and Time and system temperature temperature temperature temperature temperature controls zone control + zone control + zone control + zone control zone control + Boiler interlock Boiler interlock Boiler interlock + delayed start + weather + weather + weather compensation compensation compensation + delayed start + delayed start + delayed start Hot water Stored HW Stored HW Stored HW Stored HW Stored HW (HW) system (from boiler) (from boiler) (from boiler) (electric (from boiler) separate time separate time separate time immersion) separate time control for control for control for separate time control for space and space and space and control for space space and water heating water heating water heating and water water heating heating 2015 Secondary none 10 % closed 10 % closed 10% electric none space heating wood log- wood log- burning room burning room heater [9] heater [9] Notional building Heat recovery Instantaneous Instantaneous Instantaneous Instantaneous Instantaneous systems waste water waste water waste water waste water waste water heat recovery heat recovery heat recovery heat recovery heat recovery system, 45% system, 45 % system, 45% system, 45% system, 45% specification (TER) efficiency efficiency efficiency efficiency efficiency Yes [10] Yes [10] Yes [10] Photovoltaics No No
Domestic 2015 6.1 - Carbon Dioxide Emissions (TER) Photovoltaic 0.11 W/m 2 K 0.17 W/m 2 K 1.4 W/m 2 K 0.15 W/m 2 K • Air tightness 7m 3 /h.m 2 @50 Pa • 100% low energy lighting • Y-value of 0.08 • Waste Water Heat Recovery
Domestic 2015 6.2 - Building Insulation Envelope Support fabric first approach; Backstop U-Values • Improved backstop U-values Type of Max U-value for new dwellings, (W/m 2 K) Element ‘extensions’ + conservatories Wall 0.22 Floor 0.18 • Revisions to calculating heat loss from linear thermal Roof 0.15 bridging Openings 1.6 • Additional compensatory Separating wall 0.2 heat loss calculation.
Domestic 2015 6.2 - Building Insulation Envelope Extension – Column (a) U- Values Flat roof insulation between roof ties; 0.11 W/m 2 K 0.13 W/m 2 K 0.17 W/m 2 K 1.4 W/m 2 K 0.15 W/m 2 K
Domestic 2015 6.2 - Building Insulation Envelope Extension - Column (b) U- Values roof insulation between ceiling ties; 1.6 W/m 2 K 0.18 W/m 2 K 0.15 W/m 2 K 0.18 W/m 2 K 0.22 W/m 2 K 0.22 W/m 2 K 1.6 W/m 2 K 0.18 W/m 2 K
6.3 – 6.7 Building Services 6.3 – Heating systems 6.4 - Insulation of pipes ducts and vessels 6.5 – Artificial lighting 6.6 –Mechanical vent & air conditioning 6.7 Commissioning of building services
Domestic 2015 6.8 – Written Information
Domestic 2015 Additional supporting information
Domestic 2015 Additional supporting information
Domestic 2015 Annex 6.B. –compensatory heat loss. The total area of exposed elements will not be the same for notional and proposed extensions where there is any area of built-over openings, which are added only to the notional extension .
Domestic 2015 Summary changes • 21% reduction in CO 2 emissions for new dwellings (6.1) o No change to methodology - SAP 2012 used • Improved fabric backstop U-Values (6.2) • Domestic Building Services Compliance Guide (6.3 -6.6) • Introduction of ‘Quick Start Guide’ for new dwellings (6.8) • Updated Accredited Construction Details
Thank you for listening... See www.gov.scot/s6-2015 Contacts at BSD: fraser.walsh@gov.scot - 01506 600415 steven.scott@gov.scot - 01506 600414
An introduction to Elmhurst Energy Arthur Watt Business Development Manager
OCDEA Support Team • A dedicated support team with over 15 years experience. • Comprehensive support on technical and software. • Available by phone or email, 9-5, Monday to Friday. • 98% of calls answered within 90 seconds. • Response to email enquiries within 24 hours.
OCDEA Accreditation Some key benefits of accreditation with Elmhurst include; Free P.I and P.L insurance. • A sliding scale of lodgement fees. • Added to the ‘Search for an Assessor’ facility on the Elmhurst • website. Automatic renewal of accreditation every year – no paperwork. • Entry to ‘Access Elmhurst’ our members only portal containing key • documents and information. Regular updates regarding industry issues affecting OCDEAs. • Access to the industry renowned assessor support facilities. • Discounts on CPD courses. •
Training and Continuing Professional Development (CPD)
OCDEA Courses • Elmhurst are running the following courses in Scotland until the end of this year; – Section 6 Update – Thermal Bridging – OCDEA ABBE route – OCDEA APEL route • We have also ran Webinars on Design SAP changes, Section 6 Updates etc. • Courses are run nationwide.
OCDEA CPD Courses • Members get discounted rates on CPD courses. • Courses can be viewed, booked and paid for on our online training calendar; You can view our training calendar here
How can Elmhurst help you? • Getting a head start on changes to regulations is very important from a technical and financial view. • The changes could affect dwelling types differently. This could result in different specifications for flats, houses etc. • Elmhurst recognised this so in the new year started work on development of software to enable house builders to assess the changes to Section 6.
How can Elmhurst help you? • Elmhurst has listened to user feedback from previous versions of software when developing Design SAP 2012. • Elmhurst aim to make Design SAP 2012 the most comprehensive but user friendly SAP software package. • User feedback collected and has resulted in improvements to reports, interface, manuals, data entry etc.
How can Elmhurst help you? • Design SAP 2012 software was approved for Section 6 2015 on 2 nd April 2015. • Design SAP 2012 allows modelling of dwelling types in anticipation of Section 6 2015 introduction. • Results displayed in real time and allow users to start to develop strategies to enable compliance;
How can Elmhurst help you? • House types modelled against Section 6 2010 can be automatically updated to Section 6 2015. • For a free, 30 day demo of Design SAP 2012 please call 01455 883 236 or email softwaresales@elmhurstenergy.co.uk • Read more about our Design SAP software here
Thank your for listening Any Questions? You can also follow Elmhurst Energy on:
Part 2 SAP Workshop Facilitated by Jack Brayshaw Elmhurst Energy
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