SAP Calculations. Project: SITE 1 PHASE 2 MOYLAGH MEADOWS, MOYLAGH ROAD, BERAGH. Contact:

Transcription

1 SAP Calculations Client: CHIEFTAN HOMES Project: SITE 1 PHASE 2 MOYLAGH MEADOWS, MOYLAGH ROAD, BERAGH Contact:

2 Building Regulation Compliance Page 2 of 29 Property Reference: MOYLAGH MEADOWS, BERAGH Survey Reference: SITE 1 Prop Type Ref: Property: SAP Rating: 84 B Environmental: 81 B CO2 Emissions (t/year): 2.11 General Requirements Compliance: Pass DER: Pass TER: Issued on Date: 26.Jul.2016 Reduction: 1.7% FEE: 54.5 HLP: 1.32 ZC8: 0.00 Energy cost: 421 CfSH Results Version: ENE1 Credits: N/AENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/A Surveyor: admin admin (Unaccredited), Tel: unknown Surveyor ID: admin Address: Client: Software Version: Elmhurst Energy Systems SAP2009 Calculator (Design System) version 4.04r04 SAP version: SAP 2009, Regs Region: Northern Ireland (NI Technical Booklet F1 2011), Calculation Type: New Dwelling As Designed SUMMARY FOR INPUT DATA FOR New Build (As Designed) 1 TER and DER Fuel for main heating: Heating oil Fuel factor: (oil) Target Carbon Dioxide Emission Rate (TER) kg/m 2 Dwelling Carbon Dioxide Emission Rate (DER) kg/m 2 OK 2 Fabric U-values Element Average Highest External wall 0.21 (max. 0.30) 0.21 (max. 0.70) OK Floor 0.17 (max. 0.25) 0.17 (max. 0.70) OK Roof 0.12 (max. 0.20) 0.12 (max. 0.35) OK Openings 1.76 (max. 2.00) 2.35 (max. 3.30) OK 2a Thermal bridging Thermal bridging calculated from linear thermal transmittances for each junction 3 Air permeability Air permeability at 50 pascals: 5.00 (design value) Maximum 10.0 OK 4 Heating efficiency Main heating system: Boiler system with radiators or underfloor - Oil Data from database Grant Vortex Outdoor Module Efficiency: 93.3% SEDBUK2009 Minimum: 88.0% OK Secondary heating system: 5 Cylinder insulation Hot water storage Room heaters - Wood Logs RWM Closed room heat Efficiency: 65% Minimum: 65% Nominal store loss: 2.13 kwh/day Permitted by DBSCG 2.82 OK Primary pipework insulated: OK 6 Controls Space heating controls: Time and temperature zone control OK Hot water controls: Cylinderstat OK Independent timer for DHW OK Boiler interlock OK 7 Low energy lights Percentage of fixed lights with low-energy fittings: 100% Minimum 75% OK OK

3 Building Regulation Compliance Page 3 of 29 8 Mechanical ventilation Not applicable 9 Summertime temperature Overheating risk (Northern Ireland): Not significant OK Based On: Overshading: Windows facing North: Windows facing South: Windows facing West: Ventilation rate: 8.00 Blinds/curtains: None 10 Key features Roof U-value Floor U-value Party wall U-value Secondary heating (wood logs) Secondary heating fuel: Average 6.03 m 2, No overhang 9.50 m 2, No overhang 3.60 m 2, No overhang 0.12 W/m 2 K 0.17 W/m 2 K 0.00 W/m 2 K wood logs

4 Full SAP Calculation Printout Property Reference: MOYLAGH MEADOWS, BERAGH Survey Reference: SITE 1 Prop Type Ref: Property: SAP Rating: 84 B Environmental: 81 B CO2 Emissions (t/year): 2.11 General Requirements Compliance: Pass DER: Pass TER: Reduction: 1.7% FEE: 54.5 HLP: 1.32 Issued on Date: 26.Jul.2016 ZC8: 0.00 Energy cost: 421 CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/A Surveyor: admin admin (Unaccredited), Tel: unknown Surveyor ID: admin Address: Client: Software Version: Elmhurst Energy Systems SAP2009 Calculator (Design System) version 4.04r04 SAP version: SAP 2009, Regs Region: Northern Ireland (NI Technical Booklet F1 2011), Calculation Type: New Dwelling As Designed CALCULATION DETAILS for survey reference no 'SITE 1' SAP input data (DesignData) - Page: 4 of SAP2009 Input Data FullRefNo: SITE 1 Sap Version: SAP 2009 Regs Region: Northern Ireland Region: Northern Ireland Calculation Type: New Build (As Designed) DwellingOrientation: North Property Type: House, Semi-Detached Storeys: 2 Date Built: 2016 Sheltered Sides: 2 Sunlight Shade: Average or unknown Measurements Perimeter, Floor Area, Storey Height 1st Storey: 29.9, 51.94, 2.7 2nd Storey: 29.9, 51.94, 2.45 Living Area: m2, fraction: 17.5% Thermal Mass: Simple calculation Thermal Mass Simple: High Thermal MassValue: 450 External Walls Nett Area, Gross Area, Kappa, Element, Construction, Type, ShelterFactor, UValueFinal External Wall , , 190,, CavityWallDensePlasterDenseBlock,, Cavity, 0, 0.21, Gross Party Walls Area, Kappa, Element, Construction, Type, ShelterFactor, UValueFinal Party Wall , 180,, PartyWallDensePlaster,, FilledWithEdge, 0, 0 External Roofs Nett Area, Gross Area, Kappa, Construction, Element, UValueFinal External Roof , 51.94, 9, PlasterInsulatedAtCeiling,,, 0.12 Heat Loss Floors Area, Kappa, Construction, Element, Type, UValueFinal, ShelterFactor Heat Loss Floor , 110, GroundFloorSlabOnGround,, GroundSolid, 0, 0.17 Description Data Source, Type, Glazing, Glazing Gap, Argon Filled, Solar Trans, Frame Type, Frame Factor, U Value WINDOWS SAP table, Window, Double Low-E Soft 0.05, 16 mm, True, 0.63, PVC, 0.7, 1.70 F DOOR SAP table, Half Glazed Door, Double Low-E Soft 0.05, 16 mm, True, 0.63, PVC, 0.7, 2.35 Openings Opening Type, Location, Orientation, Curtain Type, Overhang Ratio, Wide Overhang, Width, Height, Count, Area, Curtain Closed FRONT Window, External Wall 1, North, None, 0,, 0, 0, 0, 6.03, FRONT DOOR Half Glazed Door, External Wall 1, North,,,, 0, 0, 0, 2.10, SIDE Window, External Wall 1, West, None, 0,, 0, 0, 0, 3.60, REAR Window, External Wall 1, South, None, 0,, 0, 0, 0, 9.50, Conservatory: None Draught Proofing: 100 Draught Lobby: No Thermal Bridges Junction with, Bridge Type, Source Type, Imported, Length, Psi, Adjusted, Result, Reference 0. External wall, E1 Steel lintel with perforated steel base plate,, No, 0, 0,,, 1. External wall, E2 Other lintels (including other steel lintels), Table K1 - Accredited,, 14.45, 0.3, 0.3, 4.34, 2. External wall, E3 Sill, Table K1 - Accredited,, 13.45, 0.04, 0.04, 0.54, 3. External wall, E4 Jamb, Table K1 - Accredited,, 32, 0.05, 0.05, 1.60, 4. External wall, E5 Ground floor, Table K1 - Accredited,, 29.9, 0.16, 0.16, 4.78, 5. External wall, E6 Intermediate floor within a dwelling, Table K1 - Accredited,, 29.9, 0.07, 0.07, 2.09, 6. External wall, E7 Intermediate floor between dwellings (in blocks of flats),, No, 0, 0,,, 7. External wall, E8 Balcony within a dwelling,, No, 0, 0,,, 8. External wall, E9 Balcony between dwellings,, No, 0, 0,,, 9. External wall, E10 Eaves (insulation at ceiling level),, No, 0, 0,,, 10. External wall, E11 Eaves (insulation at rafter level),, No, 0, 0,,, 11. External wall, E12 Gable (insulation at ceiling level),, No, 0, 0,,, 12. External wall, E13 Gable (insulation at rafter level),, No, 0, 0,,, 13. External wall, E14 Flat roof,, No, 0, 0,,, 14. External wall, E15 Flat roof with parapet,, No, 0, 0,,, 15. External wall, E16 Corner (normal), Table K1 - Accredited,, 10.3, 0.09, 0.09, 0.93, 16. External wall, E17 Corner (inverted - internal area greater than external area),, No, 0, 0,,, 17. Party wall, E18 Party wall between dwellings, Table K1 - Accredited,, 10.3, 0.06, 0.06, 0.62, 18. Party wall, P1 Party wall - Ground floor,, No, 0, 0,,, 19. Party wall, P2 Party wall - Intermediate floor within a dwelling,, No, 0, 0,,, 20. Party wall, P3 Party wall - Intermediate floor between dwellings (in blocks of flats),, No, 0, 0,,, 21. Party wall, P4 Party wall - Roof (insulation at ceiling level),, No, 0, 0,,, 22. Party wall, P5 Party wall - Roof (insulation at rafter level),, No, 0, 0,,, Pressure Test: True Designed q50: 5 AsBuilt q50: 15 Property Tested: False Mechanical Ventilation MV System Present Windows In Hot Weather Windows fully open Cross Ventilation Night Ventilation Air Change Rate 8.00 DataType Defaults Type Positive input ventilation (from loft) Chimneys MHS: 0 Chimneys SHS: 0

5 SAP input data (DesignData) - Page: 5 of 29 Chimneys Other: 0 Chimneys Total: 0 Open Flues MHS: 0 Open Flues SHS: 0 Open Flues Other: 1 Open Flues Total: 1 Intermittent Fans: 4 Passive Vents: 0 Flueless Gas Fires: 0 Cooling System None Light Fittings: 14 LEL Fittings: 14 Percentage of LEL Fittings: 100 External Lights Fitted: External LELs Fitted: Electricity Tariff: Standard Main Heating 1 Description Percentage 100 Sedbuk ID Fuel Type Oil MHS Oil BOD Condensing SAP Code 127 Boiler Efficiency Type Split Efficiences Efficiency Winter 94.4 Efficiency Summer 82.7 MHS Controls CBI Time and temperature zone control Delayed Start Stat No Ctrl SAP Code 2110 Boiler Compensator None Oil Pump Inside No Flue Type Open Fan Assisted Flue Pumped Pump in heated space Heat Emitter Radiators Main Heating 2 None Smoke Control Area Unknown Community Heating None Secondary Heating SHS RWM - Wood Logs RWM Closed room heat SAP Code 633 Hetas Approved System True Efficiency 65 Water Heating Type MainHeating1 WHS HWP From main heating 1 SAP Code 901 Hot Water Cylinder Cylinder Type HotWaterCylinder Cylinder Insulation Type Foam Insulation Thickness 80 mm Cylinder Volume Cylinder Stat Pipes Insulated Cylinder in Heated Space In Airing Cupboard No Separate Time Control Flue Gas Heat Recovery System None Waste Water Heat Recovery none PV Unit None Wind Turbine None Terrain Type: Urban Small Scale Hydro None Special Features None

6 CALCULATION OF FABRIC ENERGY EFFICIENCY Page: 6 of 29 SAP 2009 WORKSHEET FOR New Build (As Designed) BRE SAP Worksheet 9.90 CALCULATION OF FABRIC ENERGY EFFICIENCY Calculated by program Elmhurst Energy Systems Design SAP 2009 version 4.04r04 1. Overall dwelling dimensions Area Storey height Volume (m2) (m) (m3) Ground floor (1b) x (2b) = (1b) - (3b) First floor (1c) x (2c) = (1c) - (3c) Total floor area TFA = (1a)+(1b)+(1c)+(1d)+(1e)...(1n) (4) Dwelling volume (3a)+(3b)+(3c)+(3d)+(3e)...(3n) = (5) 2. Ventilation rate main secondary other total m3 per hour heating heating Number of chimneys = 0 * 40 = (6a) Number of open flues = 1 * 20 = (6b) Number of intermittent fans 4 * 10 = (7a) Number of passive vents 0 * 10 = (7b) Number of flueless gas fires 0 * 40 = (7c) Air changes per hour Infiltration due to chimneys, flues and fans = (6a)+(6b)+(7a)+(7b)+(7c) = / (5) = (8) Pressure test Measured/design q If based on air permeability value, then (18) = [(17)/20]+(8), otherwise (18) = (16) (18) Number of sides on which dwelling is sheltered 2 (19) Shelter factor (20) = 1 - [0.075 x (19)] = (20) Infiltration rate adjusted to include shelter factor (21) = (18) x (20) = (21) Wind speed (22) Wind factor (22a) (22b)m (22b) Effective ach (25) 3. Heat losses and heat loss parameter Element Gross Openings NetArea U-value A x U K-value A x K m2 m2 m2 W/m2K W/K kj/m2k kj/k F DOOR (26) WINDOWS (Uw = 1.70) (27) Heat Loss Floor (28a) External Wall (29a) External Roof (30) Total net area of external elements Aum(A, m2) (31) Fabric heat loss, W/K = Sum (A x U) (26)...(30) + (32) = (33) Party Wall (32) Thermal mass parameter (TMP = Cm / TFA) in kj/m2k (35) Thermal bridges (Sum(L x Psi) calculated using Appendix K) (36) Total fabric heat loss (33) + (36) = (37) Ventilation heat loss calculated monthly (38)m = 0.33 x (25)m x (5) (38)m (38) (39)m (39) Average = Sum(39)m / 12 = (39) (40)m (40) Average = Sum(40)m / 12 = (40) (41)m (41) 4. Water heating energy requirements (kwh/year) Assumed occupancy, N (42) Annual average hot water usage in litres per day Vd,average = (25 x N) (43) Reduce the annual average hot water usage by 5% if the dwelling is designed to achieve a water use target of not more that 125 litres per person per day (all water use, hot and cold) (44)m (44) (45)m (45) Energy content (annual) Total = Sum(45)m = (45) (46)m (46) Water storage loss: (57)m (57) Primary circuit loss (annual) from Table (58) (59)m (59) (65)m (65) 5. Internal gains (see Table 5 and 5a) Metabolic gains (Table 5), Watts (66)m (66) (67)m (67) (68)m (68) (69)m (69) (70)m (70) (71)m (71) (72)m (72) (73)m (73)

7 CALCULATION OF FABRIC ENERGY EFFICIENCY Page: 7 of Solar gains [Jan] Area Solar flux g FF Access Gains m2 Table 6a Specific data Specific data factor W W/m2 or Table 6b or Table 6c Table 6d North (74) South (78) West (80) (83)m (83) (84)m (84) 7. Mean internal temperature (heating season) Temperature during heating periods in the living area from Table 9, Th1 (C) (85) Utilisation factor for gains for living area, ni1,m (see Table 9a) tau alpha (86)m (86) (87)m (87) (88)m (88) (89)m (89) (90)m (90) Living area fraction fla = Living area / (4) = (91) (92)m (92) Temperature adjustment (93)m (93) 8. Space heating requirement (94)m (94) (95)m (95) (96)m (96) (97)m (97) (98)m (98) Space heating (October to May) (kwh/year) (98) Space heating requirement in kwh/m2/year (98) / (4) = (99) 8c. Space cooling requirement Calculated for June, July and August. See Table 10b Ext. temp (100)m (100) (101)m (101) (102)m (102) (103)m (103) (104)m (104) (98)m (98) (104)m (104) Cooled fraction fc = cooled area / (4) = (105) (106)m (106) (107)m (107) Total = Sum(107)6..8 = (107) Space cooling requirement in kwh/m2/year (107) / (4) = (108) 8f. Fabric Energy Efficiency Fabric Energy Efficiency (99) + (108) = Fabric Energy Efficiency rounded 54.5 (109)

8 CALCULATION OF ENERGY RATINGS Page: 8 of 29 SAP 2009 WORKSHEET FOR New Build (As Designed) BRE SAP Worksheet 9.90 CALCULATION OF ENERGY RATINGS Calculated by program Elmhurst Energy Systems Design SAP 2009 version 4.04r04 1. Overall dwelling dimensions Area Storey height Volume (m2) (m) (m3) Ground floor (1b) x (2b) = (1b) - (3b) First floor (1c) x (2c) = (1c) - (3c) Total floor area TFA = (1a)+(1b)+(1c)+(1d)+(1e)...(1n) (4) Dwelling volume (3a)+(3b)+(3c)+(3d)+(3e)...(3n) = (5) 2. Ventilation rate main secondary other total m3 per hour heating heating Number of chimneys = 0 * 40 = (6a) Number of open flues = 1 * 20 = (6b) Number of intermittent fans 4 * 10 = (7a) Number of passive vents 0 * 10 = (7b) Number of flueless gas fires 0 * 40 = (7c) Air changes per hour Infiltration due to chimneys, flues and fans = (6a)+(6b)+(7a)+(7b)+(7c) = / (5) = (8) Pressure test Measured/design q If based on air permeability value, then (18) = [(17)/20]+(8), otherwise (18) = (16) (18) Number of sides on which dwelling is sheltered 2 (19) Shelter factor (20) = 1 - [0.075 x (19)] = (20) Infiltration rate adjusted to include shelter factor (21) = (18) x (20) = (21) Wind speed (22) Wind factor (22a) (22b)m (22b) Effective ach (25) 3. Heat losses and heat loss parameter Element Gross Openings NetArea U-value A x U K-value A x K m2 m2 m2 W/m2K W/K kj/m2k kj/k F DOOR (26) WINDOWS (Uw = 1.70) (27) Heat Loss Floor (28a) External Wall (29a) External Roof (30) Total net area of external elements Aum(A, m2) (31) Fabric heat loss, W/K = Sum (A x U) (26)...(30) + (32) = (33) Party Wall (32) Thermal mass parameter (TMP = Cm / TFA) in kj/m2k (35) Thermal bridges (Sum(L x Psi) calculated using Appendix K) (36) Total fabric heat loss (33) + (36) = (37) Ventilation heat loss calculated monthly (38)m = 0.33 x (25)m x (5) (38)m (38) (39)m (39) Average = Sum(39)m / 12 = (39) (40)m (40) Average = Sum(40)m / 12 = (40) (41)m (41) 4. Water heating energy requirements (kwh/year) Assumed occupancy, N (42) Annual average hot water usage in litres per day Vd,average = (25 x N) (43) Reduce the annual average hot water usage by 5% if the dwelling is designed to achieve a water use target of not more that 125 litres per person per day (all water use, hot and cold) (44)m (44) (45)m (45) Energy content (annual) Total = Sum(45)m = (45) (46)m (46) Water storage loss: b) If manufacturer declared cylinder loss factor is not known : Cylinder volume (litres) including any solar storage within same cylinder (50) Hot water storage loss factor from Table 2 (kwh/litre/day) (51) Volume factor from Table 2a (52) Temperature factor from Table 2b (53) Enter (49) or (54) in (55) (55) (57)m (57) Primary circuit loss (annual) from Table (58) (59)m (59) (62)m (62) (63)m (63) Solar input (sum of months) = Sum(63)m = (63) Water heat (64) Total per year (kwh/year) = Sum(64)m = (64) (65)m (65) 5. Internal gains (see Table 5 and 5a) Metabolic gains (Table 5), Watts

9 CALCULATION OF ENERGY RATINGS Page: 9 of 29 (66)m (66) (67)m (67) (68)m (68) (69)m (69) (70)m (70) (71)m (71) (72)m (72) (73)m (73) 6. Solar gains [Jan] Area Solar flux g FF Access Gains m2 Table 6a Specific data Specific data factor W W/m2 or Table 6b or Table 6c Table 6d North (74) South (78) West (80) (83)m (83) (84)m (84) 7. Mean internal temperature (heating season) Temperature during heating periods in the living area from Table 9, Th1 (C) (85) Utilisation factor for gains for living area, ni1,m (see Table 9a) tau alpha (86)m (86) (87)m (87) (88)m (88) (89)m (89) (90)m (90) Living area fraction fla = Living area / (4) = (91) (92)m (92) Temperature adjustment (93)m (93) 8. Space heating requirement (94)m (94) (95)m (95) (96)m (96) (97)m (97) (98)m (98) Space heating (October to May) (kwh/year) (98) Space heating requirement in kwh/m2/year (98) / (4) = (99) 8c. Space cooling requirement Not applicable 9a. Energy requirements - Individual heating systems, including micro-chp Fraction of space heat from secondary/supplementary system (Table 11) (201) Fraction of space heat from main system(s) (202) Efficiency of main space heating system 1 (in %) (206) Efficiency of secondary/supplementary heating system, % (208) Space heating: (98)m (98) (211)m (211) (215)m (215) Annual totals kwh/year Space heating fuel used, main system (211) Space heating fuel used, secondary (215) Water heating (64)m (64) Efficiency of water heater (216) (217)m (217) (219)m (219) Water heating fuel used (219) Electricity for pumps, fans and electric keep-hot (Table 4f): central heating pump (230c) oil boiler pump (230d) Total electricity for the above, kwh/year (231) Electricity for lighting (calculated in Appendix L) (232) 10a. Fuel costs - using Table 12 prices Fuel Fuel price Fuel cost kwh/year p/kwh /year Space heating - main system (240) Space heating - secondary (242) Water heating cost (other fuel) (247) Pumps and fans for heating (249) Energy for lighting (250) Additional standing charges (251) Total energy cost (255)

10 CALCULATION OF ENERGY RATINGS Page: 10 of 29 11a. SAP rating - Individual heating systems Energy cost deflator (Table 12): (256) Energy cost factor (ECF) [(255) x (256)] / [(4) ] = (257) SAP value SAP rating (Section 12) 84 (258) SAP band B 10a. Fuel costs - using BEDF prices (396) Fuel Fuel price Fuel cost kwh/year p/kwh /year Space heating - main system (240) Space heating - secondary (242) Water heating cost (other fuel) (247) Pumps and fans for heating (249) Energy for lighting (250) Additional standing charges (251) Total energy cost (255) 12a. CO2 emissions - Individual heating systems including micro-chp Energy Emission factor Emissions kwh/year kg CO2/kWh kg CO2/year Space heating - main system (261) Space heating - secondary (263) Water heating cost (other fuel) (264) Space and water heating (265) Pumps and fans (267) Energy for lighting (268) Total CO2, kg/year (272) CO2 emissions per m (273) EI value EI rating 81 (274) EI band B 13a. Primary energy - Individual heating systems including micro-chp Energy Primary energy factor Primary energy kwh/year kg CO2/kWh kwh/year Space heating - main system (261) Space heating - secondary (263) Water heating cost (other fuel) (264) Space and water heating (265) Pumps and fans (267) Energy for lighting (268) Primary energy kwh/year (272) Primary energy kwh/m2/year (273)

11 CALCULATION OF DWELLING EMISSIONS FOR REGULATIONS COMPLIANCE Page: 11 of 29 SAP 2009 WORKSHEET FOR New Build (As Designed) BRE SAP Worksheet 9.90 CALCULATION OF DWELLING EMISSIONS FOR REGULATIONS COMPLIANCE Calculated by program Elmhurst Energy Systems Design SAP 2009 version 4.04r04 1. Overall dwelling dimensions Area Storey height Volume (m2) (m) (m3) Ground floor (1b) x (2b) = (1b) - (3b) First floor (1c) x (2c) = (1c) - (3c) Total floor area TFA = (1a)+(1b)+(1c)+(1d)+(1e)...(1n) (4) Dwelling volume (3a)+(3b)+(3c)+(3d)+(3e)...(3n) = (5) 2. Ventilation rate main secondary other total m3 per hour heating heating Number of chimneys = 0 * 40 = (6a) Number of open flues = 1 * 20 = (6b) Number of intermittent fans 4 * 10 = (7a) Number of passive vents 0 * 10 = (7b) Number of flueless gas fires 0 * 40 = (7c) Air changes per hour Infiltration due to chimneys, flues and fans = (6a)+(6b)+(7a)+(7b)+(7c) = / (5) = (8) Pressure test Measured/design q If based on air permeability value, then (18) = [(17)/20]+(8), otherwise (18) = (16) (18) Number of sides on which dwelling is sheltered 2 (19) Shelter factor (20) = 1 - [0.075 x (19)] = (20) Infiltration rate adjusted to include shelter factor (21) = (18) x (20) = (21) Wind speed (22) Wind factor (22a) (22b)m (22b) Effective ach (25) 3. Heat losses and heat loss parameter Element Gross Openings NetArea U-value A x U K-value A x K m2 m2 m2 W/m2K W/K kj/m2k kj/k F DOOR (26) WINDOWS (Uw = 1.70) (27) Heat Loss Floor (28a) External Wall (29a) External Roof (30) Total net area of external elements Aum(A, m2) (31) Fabric heat loss, W/K = Sum (A x U) (26)...(30) + (32) = (33) Party Wall (32) Thermal mass parameter (TMP = Cm / TFA) in kj/m2k (35) Thermal bridges (Sum(L x Psi) calculated using Appendix K) (36) Total fabric heat loss (33) + (36) = (37) Ventilation heat loss calculated monthly (38)m = 0.33 x (25)m x (5) (38)m (38) (39)m (39) Average = Sum(39)m / 12 = (39) (40)m (40) Average = Sum(40)m / 12 = (40) (41)m (41) 4. Water heating energy requirements (kwh/year) Assumed occupancy, N (42) Annual average hot water usage in litres per day Vd,average = (25 x N) (43) Reduce the annual average hot water usage by 5% if the dwelling is designed to achieve a water use target of not more that 125 litres per person per day (all water use, hot and cold) (44)m (44) (45)m (45) Energy content (annual) Total = Sum(45)m = (45) (46)m (46) Water storage loss: b) If manufacturer declared cylinder loss factor is not known : Cylinder volume (litres) including any solar storage within same cylinder (50) Hot water storage loss factor from Table 2 (kwh/litre/day) (51) Volume factor from Table 2a (52) Temperature factor from Table 2b (53) Enter (49) or (54) in (55) (55) (57)m (57) Primary circuit loss (annual) from Table (58) (59)m (59) (62)m (62) (63)m (63) Solar input (sum of months) = Sum(63)m = (63) Water heat (64) Total per year (kwh/year) = Sum(64)m = (64) (65)m (65) 5. Internal gains (see Table 5 and 5a) Metabolic gains (Table 5), Watts

12 CALCULATION OF DWELLING EMISSIONS FOR REGULATIONS COMPLIANCE Page: 12 of 29 (66)m (66) (67)m (67) (68)m (68) (69)m (69) (70)m (70) (71)m (71) (72)m (72) (73)m (73) 6. Solar gains [Jan] Area Solar flux g FF Access Gains m2 Table 6a Specific data Specific data factor W W/m2 or Table 6b or Table 6c Table 6d North (74) South (78) West (80) (83)m (83) (84)m (84) 7. Mean internal temperature (heating season) Temperature during heating periods in the living area from Table 9, Th1 (C) (85) Utilisation factor for gains for living area, ni1,m (see Table 9a) tau alpha (86)m (86) (87)m (87) (88)m (88) (89)m (89) (90)m (90) Living area fraction fla = Living area / (4) = (91) (92)m (92) Temperature adjustment (93)m (93) 8. Space heating requirement (94)m (94) (95)m (95) (96)m (96) (97)m (97) (98)m (98) Space heating (October to May) (kwh/year) (98) Space heating requirement in kwh/m2/year (98) / (4) = (99) 8c. Space cooling requirement Not applicable 9a. Energy requirements - Individual heating systems, including micro-chp Fraction of space heat from secondary/supplementary system (Table 11) (201) Fraction of space heat from main system(s) (202) Efficiency of main space heating system 1 (in %) (206) Efficiency of secondary/supplementary heating system, % (208) Space heating: (98)m (98) (211)m (211) (215)m (215) Annual totals kwh/year Space heating fuel used, main system (211) Space heating fuel used, secondary (215) Water heating (64)m (64) Efficiency of water heater (216) (217)m (217) (219)m (219) Water heating fuel used (219) Electricity for pumps, fans and electric keep-hot (Table 4f): central heating pump (230c) oil boiler pump (230d) Total electricity for the above, kwh/year (231) Electricity for lighting (calculated in Appendix L) (232) 12a. CO2 emissions - Individual heating systems including micro-chp Energy Emission factor Emissions kwh/year kg CO2/kWh kg CO2/year Space heating - main system (261) Space heating - secondary (263) Water heating cost (other fuel) (264) Space and water heating (265) Pumps and fans (267) Energy for lighting (268) Total CO2, kg/year (272)

13 CALCULATION OF DWELLING EMISSIONS FOR REGULATIONS COMPLIANCE Page: 13 of 29 Dwelling Carbon Dioxide Emission Rate (DER) (273) 16 CO2 EMISSIONS ASSOCIATED WITH APPLIANCES AND COOKING AND SITE-WIDE ELECTRICITY GENERATION TECHNOLOGIES DER ZC1 Total Floor Area TFA Assumed number of occupants N CO2 emission factor in Table 12 for electricity displaced from grid EF CO2 emissions from appliances, equation (L14) ZC2 CO2 emissions from cooking, equation (L16) ZC3 Total CO2 emissions ZC4 Residual CO2 emissions offset from biofuel CHP ZC5 Additional allowable electricity generation, kwh/m 2 /year ZC6 Resulting CO2 emissions offset from additional allowable electricity generation ZC7 Net CO2 emissions ZC8

14 CALCULATION OF TARGET EMISSIONS Page: 14 of 29 SAP 2009 WORKSHEET FOR New Build (As Designed) BRE SAP Worksheet 9.90 CALCULATION OF TARGET EMISSIONS Calculated by program Elmhurst Energy Systems Design SAP 2009 version 4.04r04 1. Overall dwelling dimensions Area Storey height Volume (m2) (m) (m3) Ground floor (1b) x (2b) = (1b) - (3b) First floor (1c) x (2c) = (1c) - (3c) Total floor area TFA = (1a)+(1b)+(1c)+(1d)+(1e)...(1n) (4) Dwelling volume (3a)+(3b)+(3c)+(3d)+(3e)...(3n) = (5) 2. Ventilation rate main secondary other total m3 per hour heating heating Number of chimneys = 0 * 40 = (6a) Number of open flues = 0 * 20 = (6b) Number of intermittent fans 3 * 10 = (7a) Number of passive vents 0 * 10 = (7b) Number of flueless gas fires 0 * 40 = (7c) Air changes per hour Infiltration due to chimneys, flues and fans = (6a)+(6b)+(7a)+(7b)+(7c) = / (5) = (8) Pressure test Measured/design q If based on air permeability value, then (18) = [(17)/20]+(8), otherwise (18) = (16) (18) Number of sides on which dwelling is sheltered 2 (19) Shelter factor (20) = 1 - [0.075 x (19)] = (20) Infiltration rate adjusted to include shelter factor (21) = (18) x (20) = (21) Wind speed (22) Wind factor (22a) (22b)m (22b) Effective ach (25) 3. Heat losses and heat loss parameter Element Gross Openings NetArea U-value A x U K-value A x K m2 m2 m2 W/m2K W/K kj/m2k kj/k Doors (26) Windows (Uw = 2.00) (27) Heat Loss Floor (28a) External Wall (29a) External Roof (30) Total net area of external elements Aum(A, m2) (31) Fabric heat loss, W/K = Sum (A x U) (26)...(30) + (32) = (33) Party Wall (32) Thermal mass parameter (TMP = Cm / TFA) in kj/m2k (35) Thermal bridges (User defined value * total exposed area) (36) Total fabric heat loss (33) + (36) = (37) Ventilation heat loss calculated monthly (38)m = 0.33 x (25)m x (5) (38)m (38) (39)m (39) Average = Sum(39)m / 12 = (39) (40)m (40) Average = Sum(40)m / 12 = (40) (41)m (41) 4. Water heating energy requirements (kwh/year) Assumed occupancy, N (42) Annual average hot water usage in litres per day Vd,average = (25 x N) (43) Reduce the annual average hot water usage by 5% if the dwelling is designed to achieve a water use target of not more that 125 litres per person per day (all water use, hot and cold) (44)m (44) (45)m (45) Energy content (annual) Total = Sum(45)m = (45) (46)m (46) Water storage loss: b) If manufacturer declared cylinder loss factor is not known : Cylinder volume (litres) including any solar storage within same cylinder (50) Hot water storage loss factor from Table 2 (kwh/litre/day) (51) Volume factor from Table 2a (52) Temperature factor from Table 2b (53) Enter (49) or (54) in (55) (55) (57)m (57) Primary circuit loss (annual) from Table (58) (59)m (59) (62)m (62) (63)m (63) Solar input (sum of months) = Sum(63)m = (63) Water heat (64) Total per year (kwh/year) = Sum(64)m = (64) (65)m (65) 5. Internal gains (see Table 5 and 5a) Metabolic gains (Table 5), Watts

15 CALCULATION OF TARGET EMISSIONS Page: 15 of 29 (66)m (66) (67)m (67) (68)m (68) (69)m (69) (70)m (70) (71)m (71) (72)m (72) (73)m (73) 6. Solar gains [Jan] Area Solar flux g FF Access Gains m2 Table 6a Specific data Specific data factor W W/m2 or Table 6b or Table 6c Table 6d East (76) (83)m (83) (84)m (84) 7. Mean internal temperature (heating season) Temperature during heating periods in the living area from Table 9, Th1 (C) (85) Utilisation factor for gains for living area, ni1,m (see Table 9a) tau alpha (86)m (86) (87)m (87) (88)m (88) (89)m (89) (90)m (90) Living area fraction fla = Living area / (4) = (91) (92)m (92) Temperature adjustment (93)m (93) 8. Space heating requirement (94)m (94) (95)m (95) (96)m (96) (97)m (97) (98)m (98) Space heating (October to May) (kwh/year) (98) Space heating requirement in kwh/m2/year (98) / (4) = (99) 8c. Space cooling requirement Not applicable 9a. Energy requirements - Individual heating systems, including micro-chp Fraction of space heat from secondary/supplementary system (Table 11) (201) Fraction of space heat from main system(s) (202) Efficiency of main space heating system 1 (in %) (206) Efficiency of secondary/supplementary heating system, % (208) Space heating: (98)m (98) (211)m (211) (215)m (215) Annual totals kwh/year Space heating fuel used, main system (211) Space heating fuel used, secondary (215) Water heating (64)m (64) Efficiency of water heater (216) (217)m (217) (219)m (219) Water heating fuel used (219) Electricity for pumps, fans and electric keep-hot (Table 4f): central heating pump (230c) boiler with a fan-assisted flue (230e) Total electricity for the above, kwh/year (231) Electricity for lighting (calculated in Appendix L) (232) 12a. CO2 emissions - Individual heating systems including micro-chp Energy Emission factor Emissions kwh/year kg CO2/kWh kg CO2/year Space heating - main system (261) Space heating - secondary (263) Water heating cost (other fuel) (264) Space and water heating (265) Pumps and fans (267) Energy for lighting (268) Total CO2, kg/year (272) Emissions per m2 for space and water heating (272a) Emissions per m2 for lighting (272b)