Impact of Building Regulations 2010 on Dynamic Simulation Compliance

Impact of Building Regulations 2010 on Users of Dynamic Simulation Dr Ya Roderick IES Ltd

[object Object],[object Object],[object Object],[object Object],[object Object],Overview

[object Object],[object Object],[object Object],[object Object],[object Object],Section 6 Key Changes TER = C notional x (1-0.15) x (1-0.10) TER = C notional x (1-0.15) x (1-0.15) x (1-0.26) 2007 Section 6 2010 Section 6 Improvement on 2002 standards made by 2007 guidance 10% building integrated LZCT benchmark Improvement on 2002 standards made by 2007 guidance Building integrated low carbon equipment benchmark 2010 improvement factor needed to deliver a 30% improvement on previous standards TER = C notional x (1-0.20) x (1-0.10) TER = C notional x (1-0.20) x (1-0.15) x (1-0.26)

[object Object],[object Object],Section 6 Key Changes ,[object Object],[object Object],[object Object],Type of element 2007 Section6 2010 Section 6 (a) Area weighted average U-value for all elements of the sane type (W/m 2 K) (b) Individual element U-value (W/m 2 K) (a) Area weighted average U-value for all elements of the sane type (W/m 2 K) (b) Individual element U-value (W/m 2 K) Wall 0.3 0.7 0.27 0.7 Floor 0.25 0.7 0.22 0.7 Roof 0.25 0.35 0.2 0.35 Window, doors, roof window and rooflight [1,2] 2.2 3.3 2.0 3.3

[object Object],[object Object],Section 6 Key Changes 2007 Section 6 2010 Section 6

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Section 6 Key Changes

[object Object],Section 6 Key Changes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2007 Building type 2010 Building type

[object Object],[object Object],[object Object],[object Object],[object Object],Section 6 Key Changes Fuel type 2007 Section 6 (kgCO2/ kwh) 2010 Section 6 (kgCO2/ kwh) Natural Gas 0.194 0.198 LPG 0.234 0.245 Biogas 0.025 0.018 Oil 0.265 0.297 Coal 0.291 0.35 Anthracite 0.317 0.318 Smokeless Fuel (inc. Coke) 0.392 0.344 Dual Fuel (mineral + wood) 0.187 0.206 Biomass 0.025 0.013 Grid Supplied Electricity 0.422 0.517 Grid Displaced Electricity 0.568 0.529 Waste Heat 0.018 0.058

[object Object],[object Object],Section 6 Key Changes Building type 2007 Section 6 2010 Section 6 Windows and doors as % of the area of insulation envelope wall Rooflights as % of area of roof Windows and doors as % of the area of insulation envelope wall Rooflights as % of area of roof [3] Residential (non-domestic) 30 20 30 0 Offices, shops and building for entertainment and assembly purpose 40 20 40 0 Industrial and storage buildings 15 20 15 10

[object Object],[object Object],Section 6 Key Changes Actual building 2007 Section 6 Notional building 2010 Section 6 Notional building

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Section 6 Key Changes

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Section 6 Key Changes

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Section 6 Key Changes

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Section 6 Key Changes

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Section 6 Key Changes

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Section 6 Key Changes ,[object Object],[object Object]

[object Object],[object Object],[object Object],Part L2A Key Changes TER = C notional x (1-IF) x (1-LZC) Notional Building represents minimum 2002 requirements. Improvement Factor & Low Zero Carbon Factor introduce a required improvement in performance from the 2002 regulations Notional Building is Target. Significant changes in Notional Building make it much more stringent than under the previous regulation framework. The new approach has the advantage of allowing the Actual and Notional Buildings to be directly compared to identify key areas where improvement is required. Part L 2A 2006 Part L 2A 2010 TER = C notional

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Part L2A Key Changes

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Part L2A Key Changes

[object Object],Part L2A Key Changes

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Part L2A Key Changes

[object Object],[object Object],[object Object],[object Object],Part L2A Key Changes Exposed Element Part L2A 2010 U-value (W/m2K) Part L2A 2006 U-value(W/m2K) Roofs 0.18 0.25 Walls 0.26 0.35 Exposed Floors 0.22 0.25 Windows/Rooflights 1.8 2.2 Vehicle Access Door 1.5 1.5 Pedestrian &High Usage Door 2.2 2.2 Internal Walls 1.8 2.0 Internal Floor (view from room above) 1.25 1.0 Internal Floor (view from room below) 1.23 1.0

[object Object],[object Object],[object Object],[object Object],[object Object],Part L2A Key Changes Systems 2006 Notional 2010 National Gas boiler –space heating (side-lit and no-lit) 73% SCop 79.2% Scop (63% biofuel) Gas boiler - DHW heating (side-lit and no-lit) 45% SCop 83.6% SCop (66.5% biofuel) Elec heat pump space heating N/A 243% SCop Space cooling 167% SSEER 360% SSEER (270% mixed mode 27.0C setpoint) Heat recovery effectiveness 0% 70% Mechanical Vent SFP 2 W/l/s 1.8 W/l/s

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Part L2A Key Changes

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Case Study ,[object Object],[object Object]

[object Object],[object Object],[object Object],Case Study Part L 2006 Part L 2010 11.3% PASS - 20.6% FAIL 2007 Section 6 2010 Section 6 8.9% PASS - 11.5% FAIL

[object Object],[object Object],[object Object],[object Object],Case Study 2010 Section 6 Part L 2010 2.6% PASS - 23.4% FAIL

[object Object],[object Object],[object Object],[object Object],Case Study ,[object Object],[object Object],2010 Section 6 Part L 2010 17.8% PASS -7.4% FAIL

[object Object],[object Object],[object Object],[object Object],[object Object],Software Changes

[object Object],[object Object],[object Object],[object Object],Software Changes

[object Object],[object Object],[object Object],Software Changes

[object Object],[object Object],[object Object],[object Object],Design Advice

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Design Advice

Impact of Building Regulations 2010 on Dynamic Simulation Compliance

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Impact of Building Regulations 2010 on Dynamic Simulation Compliance

Editor's Notes