CALCULATION OF OF BUILDING ENVELOPE Project: Address: Berlin Editor: Version: Date: 28/3/2025 Proof Creator Page 1 of 51 Date Sign Project-No: Project Name: Description: Comments: Project Location: Berlin Germany Software Version: 3.11.0.358 Page 2 of 51 CALCULATION FORMAT IN RESPECT OF AN AIRCONDITIONED BUILDING Commissioner of Building Control Building & Construction 5 Maxwell Road #02-00 Tower Block, MND Complex Singapore 069110 INSTRUCTIONS: (1) Please refer to the Explanatory Notes attached before completing the form. (2) Use a separate set of forms for each building. (3) *Delete accordingly (4) One copy of this form together with Appendix 1 to 4 to be submitted for each facade. (1) *I/We, the qualified person(s) responsible for the preparation of the calculation and the building plans hereby submit, for your consideration, the calculation and detail plans for: Project Ref. No.: Description of Building / Building Works: *Lot / Plot: *TS / MK: Address / Road: (2) The following are attached: (a) sheets of Appendix 1 (b) sheets of Appendix 2 (c) sheets of Appendix 3 (d) sheets of Appendix 4 (e) sheets of detailed calculations on U-values and shading coefficients as stated in explanatory note 4; and sheets of drawings / sketches as stated in explanatory note 1. (f) (3) The of the various facades are as follows: (a) Facade facing N , = 29.65 W/m². (b) Facade facing NE , = 29.13 W/m². (c) Facade facing E , = 42.53 W/m². (d) Facade facing SE , = 33.28 W/m². (e) Facade facing S , = 31.28 W/m². (f) Facade facing SW , = 31.46 W/m². (g) Facade facing W , = 35.04 W/m². (h) Facade facing NW , = 30.20 W/m². Page 3 of 51 The average of the building envelope is 31.26 W/m² W/m². (a) I hereby certify that calculation as detailed in this submission has been done in accordance with the Guidelines On Envelope Thermal Transfer Value For Buildings an that, to the best of my knowledge, the computed is correct. Name & Address of Professional Firm Name & Signature of Qualified Person who prepared the calculation Date: Tel. No.: (b) I hereby certify that the materials, methods of external shading and ares of the building envelope as detailed in this submission are correct, and that the building works *shall be/have been constructed in accordance with the envelope specifications outlined herein. Name & Address of Professional Firm Name & Signature of Qualified Person who signed the building plans Date: Tel. No.: Page 4 of 51 Appendix 1 CALCULATION OF OF BUILDING ENVELOPE FACADE ORIENTATION: N (N, S, NW ETC) OPAQUE WALLS S/No. Brief Description Aw Uw 12 x Aw x Uw ETTV wall 250mm Insulated Wall ETTV 422.224 1.705 8638.31 Subtotal 422.224 8638.31 FENESTRATION 3.4 x Af x Uf 211 x Af x SC x CF 0.80 6027.67 14568.76 0.146 0.80 52.57 127.07 0.658 0.146 0.80 52.57 127.07 0.658 0.146 0.80 1620.18 3915.95 7753.00 18738.85 Brief Description Af Uf ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 592.835 2.990 0.221 0.658 0.146 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 2.990 0.221 0.658 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 2.990 0.221 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 159.348 2.990 0.221 Subtotal SC1 SC2 SC = SC1 * SC2 S/No. CF 762.525 Window to wall ratio: 64.4 % Gross Area of External Walls (A0): 1184.75 m² Gross Heat Gain: 35130.15 W ETTV = Gross Heat Gain / Gross Area 29.65 W/m² Page 5 of 51 Appendix 1 CALCULATION OF OF BUILDING ENVELOPE FACADE ORIENTATION: NE (N, S, NW ETC) OPAQUE WALLS S/No. Brief Description Aw Uw 12 x Aw x Uw ETTV wall 250mm Insulated Wall ETTV 107.977 1.705 2209.12 Subtotal 107.977 2209.12 FENESTRATION SC2 3.4 x Af x Uf 211 x Af x SC x CF 0.97 52.57 124.80 0.118 0.97 1508.28 3580.30 0.118 0.97 277.57 658.89 1838.43 4363.99 Brief Description Af Uf ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 2.990 0.221 0.533 0.118 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 148.343 2.990 0.221 0.533 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 27.300 2.990 0.221 0.533 Subtotal SC1 SC = SC1 * SC2 S/No. CF 180.814 Window to wall ratio: 62.6 % Gross Area of External Walls (A0): 288.79 m² Gross Heat Gain: 8411.54 W ETTV = Gross Heat Gain / Gross Area 29.13 W/m² Page 6 of 51 Appendix 1 CALCULATION OF OF BUILDING ENVELOPE FACADE ORIENTATION: E (N, S, NW ETC) OPAQUE WALLS S/No. Brief Description Aw Uw 12 x Aw x Uw ETTV wall 250mm Insulated Wall ETTV 16.818 1.705 344.07 Subtotal 16.818 344.07 FENESTRATION SC2 3.4 x Af x Uf 211 x Af x SC x CF 1.13 52.57 163.37 0.133 1.13 52.57 163.37 0.207 1.13 225.47 1096.73 330.62 1423.47 Brief Description Af Uf ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 2.990 0.221 0.599 0.133 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 2.990 0.221 0.599 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 22.176 2.990 0.221 0.937 Subtotal SC1 SC = SC1 * SC2 S/No. CF 32.517 Window to wall ratio: 65.9 % Gross Area of External Walls (A0): 49.34 m² 2098.16 W Gross Heat Gain: ETTV = Gross Heat Gain / Gross Area 42.53 W/m² Page 7 of 51 Appendix 1 CALCULATION OF OF BUILDING ENVELOPE FACADE ORIENTATION: SE (N, S, NW ETC) OPAQUE WALLS S/No. Brief Description Aw Uw 12 x Aw x Uw ETTV wall 250mm Insulated Wall ETTV 182.706 1.705 3738.00 Subtotal 182.706 3738.00 FENESTRATION SC2 3.4 x Af x Uf 211 x Af x SC x CF 0.98 2647.16 6050.41 0.112 0.98 816.86 1867.03 0.205 0.98 1211.42 5051.11 4675.44 12968.55 Brief Description Af Uf ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 260.354 2.990 0.221 0.508 0.112 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 80.340 2.990 0.221 0.508 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 119.146 2.990 0.221 0.927 Subtotal SC1 SC = SC1 * SC2 S/No. CF 459.841 Window to wall ratio: Gross Area of External Walls (A0): Gross Heat Gain: ETTV = Gross Heat Gain / Gross Area 71.6 % 642.55 m² 21382.00 W 33.28 W/m² Page 8 of 51 Appendix 1 CALCULATION OF OF BUILDING ENVELOPE FACADE ORIENTATION: S (N, S, NW ETC) OPAQUE WALLS S/No. Brief Description Aw Uw 12 x Aw x Uw ETTV wall 250mm Insulated Wall ETTV 439.747 1.705 8996.81 Subtotal 439.747 8996.81 FENESTRATION SC2 3.4 x Af x Uf 211 x Af x SC x CF 0.83 6380.66 16000.27 0.146 0.83 1625.79 4076.85 0.208 0.83 867.56 3105.19 8874.01 23182.32 Brief Description Af Uf ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 627.553 2.990 0.221 0.658 0.146 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 159.900 2.990 0.221 0.658 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 85.326 2.990 0.221 0.939 Subtotal SC1 SC = SC1 * SC2 S/No. CF 872.779 Window to wall ratio: 66.5 % Gross Area of External Walls (A0): 1312.53 m² Gross Heat Gain: 41053.14 W ETTV = Gross Heat Gain / Gross Area 31.28 W/m² Page 9 of 51 Appendix 1 CALCULATION OF OF BUILDING ENVELOPE FACADE ORIENTATION: SW (N, S, NW ETC) OPAQUE WALLS S/No. Brief Description Aw Uw 12 x Aw x Uw ETTV wall 250mm Insulated Wall ETTV 11.519 1.705 235.67 Subtotal 11.519 235.67 FENESTRATION SC2 3.4 x Af x Uf 211 x Af x SC x CF 1.06 52.57 129.98 0.112 1.06 52.57 129.98 0.205 1.06 36.03 162.47 141.18 422.43 Brief Description Af Uf ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 2.990 0.221 0.508 0.112 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 2.990 0.221 0.508 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 3.543 2.990 0.221 0.927 Subtotal SC1 SC = SC1 * SC2 S/No. CF 13.885 Window to wall ratio: 54.7 % Gross Area of External Walls (A0): 25.40 m² Gross Heat Gain: 799.27 W ETTV = Gross Heat Gain / Gross Area 31.46 W/m² Page 10 of 51 Appendix 1 CALCULATION OF OF BUILDING ENVELOPE FACADE ORIENTATION: W (N, S, NW ETC) OPAQUE WALLS S/No. Brief Description Aw Uw 12 x Aw x Uw ETTV wall 250mm Insulated Wall ETTV 133.437 1.705 2730.01 Subtotal 133.437 2730.01 FENESTRATION Brief Description Af Uf ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 199.145 2.990 0.221 0.599 0.133 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 2.990 0.221 0.599 0.133 Subtotal SC1 SC2 SC = SC1 * SC2 S/No. 3.4 x Af x Uf 211 x Af x SC x CF 1.23 2024.81 6848.59 1.23 52.57 177.83 2077.39 7026.42 CF 204.316 Window to wall ratio: Gross Area of External Walls (A0): Gross Heat Gain: ETTV = Gross Heat Gain / Gross Area 60.5 % 337.75 m² 11833.81 W 35.04 W/m² Page 11 of 51 Appendix 1 CALCULATION OF OF BUILDING ENVELOPE FACADE ORIENTATION: NW (N, S, NW ETC) OPAQUE WALLS S/No. Brief Description Aw Uw 12 x Aw x Uw ETTV wall 250mm Insulated Wall ETTV 220.882 1.705 4519.05 Subtotal 220.882 4519.05 FENESTRATION 3.4 x Af x Uf 211 x Af x SC x CF 1.03 105.15 265.04 0.118 1.03 105.15 265.04 0.533 0.118 1.03 2998.04 7556.81 0.533 0.118 1.03 696.26 1754.98 3904.59 9841.86 Brief Description Af Uf ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 10.342 2.990 0.221 0.533 0.118 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 10.342 2.990 0.221 0.533 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 294.864 2.990 0.221 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 68.478 2.990 0.221 Subtotal SC1 SC2 SC = SC1 * SC2 S/No. CF 384.026 Window to wall ratio: Gross Area of External Walls (A0): Gross Heat Gain: ETTV = Gross Heat Gain / Gross Area 63.5 % 604.91 m² 18265.50 W 30.20 W/m² Page 12 of 51 Appendix 2 Summary of Envelope Area Calculation FACADE ORIENTATION: Item No. Type of Component N Marking/Color Code on Drawing (N, S, NW ETC) Drawin g No. Area of Each Unit (m²) No. of Identica l Units Total Area (m2) ETTV wall 250mm Insulated Wall ETTV 422.224 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 592.835 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 159.348 Page 13 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 2 Summary of Envelope Area Calculation FACADE ORIENTATION: Item No. Type of Component NE Marking/Color Code on Drawing (N, S, NW ETC) Drawin g No. Area of Each Unit (m²) No. of Identica l Units Total Area (m2) ETTV wall 250mm Insulated Wall ETTV 107.977 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 148.343 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 27.300 Page 14 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 2 Summary of Envelope Area Calculation FACADE ORIENTATION: Item No. Type of Component E Marking/Color Code on Drawing (N, S, NW ETC) Drawin g No. Area of Each Unit (m²) No. of Identica l Units Total Area (m2) ETTV wall 250mm Insulated Wall ETTV 16.818 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 22.176 Page 15 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 2 Summary of Envelope Area Calculation FACADE ORIENTATION: Item No. Type of Component SE Marking/Color Code on Drawing (N, S, NW ETC) Drawin g No. Area of Each Unit (m²) No. of Identica l Units Total Area (m2) ETTV wall 250mm Insulated Wall ETTV 182.706 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 260.354 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 80.340 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 119.146 Page 16 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 2 Summary of Envelope Area Calculation FACADE ORIENTATION: Item No. Type of Component S Marking/Color Code on Drawing (N, S, NW ETC) Drawin g No. Area of Each Unit (m²) No. of Identica l Units Total Area (m2) ETTV wall 250mm Insulated Wall ETTV 439.747 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 627.553 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 159.900 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 85.326 Page 17 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 2 Summary of Envelope Area Calculation FACADE ORIENTATION: Item No. Type of Component SW Marking/Color Code on Drawing (N, S, NW ETC) Drawin g No. Area of Each Unit (m²) No. of Identica l Units Total Area (m2) ETTV wall 250mm Insulated Wall ETTV 11.519 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 3.543 Page 18 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 2 Summary of Envelope Area Calculation FACADE ORIENTATION: Item No. Type of Component W Marking/Color Code on Drawing (N, S, NW ETC) Drawin g No. Area of Each Unit (m²) No. of Identica l Units Total Area (m2) ETTV wall 250mm Insulated Wall ETTV 133.437 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 199.145 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 5.171 Page 19 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 2 Summary of Envelope Area Calculation FACADE ORIENTATION: Item No. Type of Component NW Marking/Color Code on Drawing (N, S, NW ETC) Drawin g No. Area of Each Unit (m²) No. of Identica l Units Total Area (m2) ETTV wall 250mm Insulated Wall ETTV 220.882 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 10.342 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 10.342 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 294.864 ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 68.478 Page 20 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 3 Description and Technical Specifications of Opaque Wall of the Building Envelope FACADE ORIENTATION: Wall Serial No. Material and thickness of wall Material and thickness of internal finish Material and thickness of external finish N (N, S, NW ETC) ETTV wall 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV Material and thickness of insulation or air gap Thermal transmittance of composite wall (Uw) in W/m2K Weight of composite wall in kg/m2 Area in m2 1.705 375.000 422.224 Page 21 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 3 Description and Technical Specifications of Opaque Wall of the Building Envelope FACADE ORIENTATION: Wall Serial No. Material and thickness of wall Material and thickness of internal finish Material and thickness of external finish NE (N, S, NW ETC) ETTV wall 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV Material and thickness of insulation or air gap Thermal transmittance of composite wall (Uw) in W/m2K Weight of composite wall in kg/m2 Area in m2 1.705 375.000 107.977 Page 22 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 3 Description and Technical Specifications of Opaque Wall of the Building Envelope FACADE ORIENTATION: Wall Serial No. Material and thickness of wall Material and thickness of internal finish Material and thickness of external finish E (N, S, NW ETC) ETTV wall 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV Material and thickness of insulation or air gap Thermal transmittance of composite wall (Uw) in W/m2K Weight of composite wall in kg/m2 Area in m2 1.705 375.000 16.818 Page 23 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 3 Description and Technical Specifications of Opaque Wall of the Building Envelope FACADE ORIENTATION: Wall Serial No. Material and thickness of wall Material and thickness of internal finish Material and thickness of external finish SE (N, S, NW ETC) ETTV wall 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV Material and thickness of insulation or air gap Thermal transmittance of composite wall (Uw) in W/m2K Weight of composite wall in kg/m2 Area in m2 1.705 375.000 182.706 Page 24 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 3 Description and Technical Specifications of Opaque Wall of the Building Envelope FACADE ORIENTATION: Wall Serial No. Material and thickness of wall Material and thickness of internal finish Material and thickness of external finish S (N, S, NW ETC) ETTV wall 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV Material and thickness of insulation or air gap Thermal transmittance of composite wall (Uw) in W/m2K Weight of composite wall in kg/m2 Area in m2 1.705 375.000 439.747 Page 25 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 3 Description and Technical Specifications of Opaque Wall of the Building Envelope FACADE ORIENTATION: Wall Serial No. Material and thickness of wall Material and thickness of internal finish Material and thickness of external finish SW (N, S, NW ETC) ETTV wall 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV Material and thickness of insulation or air gap Thermal transmittance of composite wall (Uw) in W/m2K Weight of composite wall in kg/m2 Area in m2 1.705 375.000 11.519 Page 26 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 3 Description and Technical Specifications of Opaque Wall of the Building Envelope FACADE ORIENTATION: Wall Serial No. Material and thickness of wall Material and thickness of internal finish Material and thickness of external finish W (N, S, NW ETC) ETTV wall 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV Material and thickness of insulation or air gap Thermal transmittance of composite wall (Uw) in W/m2K Weight of composite wall in kg/m2 Area in m2 1.705 375.000 133.437 Page 27 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 3 Description and Technical Specifications of Opaque Wall of the Building Envelope FACADE ORIENTATION: Wall Serial No. Material and thickness of wall Material and thickness of internal finish Material and thickness of external finish NW (N, S, NW ETC) ETTV wall 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV 250mm Insulated Wall ETTV Material and thickness of insulation or air gap Thermal transmittance of composite wall (Uw) in W/m2K Weight of composite wall in kg/m2 Area in m2 1.705 375.000 220.882 Page 28 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 4 Description and Technical Specifications of Fenestration of the Building Envelope FACADE ORIENTATION: Fenestration Serial No. Type and Thickness of glass N (N, S, NW ETC) ETTV Glass ETTV Glass ETTV Glass ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 2.990 2.990 2.990 2.990 0.221 0.221 0.221 0.221 EggLouver EggLouver EggLouver EggLouver 0.658 0.658 0.658 0.658 592.835 5.171 5.171 159.348 Thermal Transmittance (Uf) in W/m2K Shading coefficient of glass or effective shading coefficient of glass with solar control film (SC1) Method of external shading (if any) Shading coefficient of external device (if any) (SC2) Area in m2 Page 29 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 4 Description and Technical Specifications of Fenestration of the Building Envelope FACADE ORIENTATION: Fenestration Serial No. Type and Thickness of glass NE (N, S, NW ETC) ETTV Glass ETTV Glass ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 2.990 2.990 2.990 0.221 0.221 0.221 EggLouver EggLouver EggLouver 0.533 0.533 0.533 5.171 148.343 27.300 Thermal Transmittance (Uf) in W/m2K Shading coefficient of glass or effective shading coefficient of glass with solar control film (SC1) Method of external shading (if any) Shading coefficient of external device (if any) (SC2) Area in m2 Page 30 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 4 Description and Technical Specifications of Fenestration of the Building Envelope FACADE ORIENTATION: Fenestration Serial No. Type and Thickness of glass E (N, S, NW ETC) ETTV Glass ETTV Glass ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 2.990 2.990 2.990 0.221 0.221 0.221 EggLouver EggLouver Horizontal 0.599 0.599 0.937 5.171 5.171 22.176 Thermal Transmittance (Uf) in W/m2K Shading coefficient of glass or effective shading coefficient of glass with solar control film (SC1) Method of external shading (if any) Shading coefficient of external device (if any) (SC2) Area in m2 Page 31 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 4 Description and Technical Specifications of Fenestration of the Building Envelope FACADE ORIENTATION: Fenestration Serial No. Type and Thickness of glass SE (N, S, NW ETC) ETTV Glass ETTV Glass ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 2.990 2.990 2.990 0.221 0.221 0.221 EggLouver EggLouver Horizontal 0.508 0.508 0.927 260.354 80.340 119.146 Thermal Transmittance (Uf) in W/m2K Shading coefficient of glass or effective shading coefficient of glass with solar control film (SC1) Method of external shading (if any) Shading coefficient of external device (if any) (SC2) Area in m2 Page 32 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 4 Description and Technical Specifications of Fenestration of the Building Envelope FACADE ORIENTATION: Fenestration Serial No. Type and Thickness of glass S (N, S, NW ETC) ETTV Glass ETTV Glass ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 2.990 2.990 2.990 0.221 0.221 0.221 EggLouver EggLouver Horizontal 0.658 0.658 0.939 627.553 159.900 85.326 Thermal Transmittance (Uf) in W/m2K Shading coefficient of glass or effective shading coefficient of glass with solar control film (SC1) Method of external shading (if any) Shading coefficient of external device (if any) (SC2) Area in m2 Page 33 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 4 Description and Technical Specifications of Fenestration of the Building Envelope FACADE ORIENTATION: Fenestration Serial No. Type and Thickness of glass SW (N, S, NW ETC) ETTV Glass ETTV Glass ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 2.990 2.990 2.990 0.221 0.221 0.221 EggLouver EggLouver Horizontal 0.508 0.508 0.927 5.171 5.171 3.543 Thermal Transmittance (Uf) in W/m2K Shading coefficient of glass or effective shading coefficient of glass with solar control film (SC1) Method of external shading (if any) Shading coefficient of external device (if any) (SC2) Area in m2 Page 34 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 4 Description and Technical Specifications of Fenestration of the Building Envelope FACADE ORIENTATION: Fenestration Serial No. Type and Thickness of glass W ETTV Glass ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 2.990 2.990 0.221 0.221 EggLouver EggLouver 0.599 0.599 199.145 5.171 (N, S, NW ETC) Thermal Transmittance (Uf) in W/m2K Shading coefficient of glass or effective shading coefficient of glass with solar control film (SC1) Method of external shading (if any) Shading coefficient of external device (if any) (SC2) Area in m2 Page 35 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. Appendix 4 Description and Technical Specifications of Fenestration of the Building Envelope FACADE ORIENTATION: Fenestration Serial No. Type and Thickness of glass NW (N, S, NW ETC) ETTV Glass ETTV Glass ETTV Glass ETTV Glass 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 12.000mm Glass ETTV 6.000mm Air 12.000mm Glass ETTV 2.990 2.990 2.990 2.990 0.221 0.221 0.221 0.221 EggLouver EggLouver EggLouver EggLouver 0.533 0.533 0.533 0.533 10.342 10.342 294.864 68.478 Thermal Transmittance (Uf) in W/m2K Shading coefficient of glass or effective shading coefficient of glass with solar control film (SC1) Method of external shading (if any) Shading coefficient of external device (if any) (SC2) Area in m2 Page 36 of 51 NOTE: Where the envelope design varies from floor to floor a separate area calculation should be presented for each floor. EXPLANATORY NOTES FOR FORM BPD_BP04 & APPENDIX 1 TO 4 (1) To facilitate checking, every submission of ETTV/RETV calculation shall be accompanied by the following:- (a) properly dimensioned elevation drawings of each external facade with a comprehensive colour code to identify the different wall and fenestration components; (b) floor plans with properly coloured outlines for all the external walls and windows which are included in the ETTV/RETV calculation; (c) sketch cross-sectional drawings of typical parts of the buildings envelope showing details of construction materials, insulating materials and surface finishes etc; and (2) The above drawings and sketches need not be separately provided if the requisite details have been incorporated into the building plan. (3) The detailed ETTV/RETV calculation, the summary of envelope area calculation and the description of envelope components shall be presented in the formats prescribed in Appendix 1 to 4 respectively. (4) The detailed calculation of U-value of composite materials and shading coefficients of external shading devices shall also be appended in suitable formats. (5) A consistent system of numbering envelope components, viz W1, Aw1, W, Aw2, F1, Af1, F2, Af2, etc shall be used throughout the appendices for ease of reference. (6) The certification in para 4 shall be signed by the Qualified Person responsible for the ETTV/RETV calculation whereas the certification in para 5 shall be signed by the Qualified Person responsible for the design and construction of the project. Page 37 of 51 U-Value Calculation Serial No: ETTV wall Component b (m) k (W/mK) Inside air film Insulated Wall ETTV Outside air film R (b/K) Density (kg/m3) Weight (kg/m2) 1500.0 375.000 7.700 0.250 0.600 0.417 25.000 Total Resistance: 33.117 U-Value: 1.705 Page 38 of 51 SC2 Calculation for Horizontal Shading FACADE ORIENTATION: Description: E ETTV Glass U-Value: 2.990 SC1: 0.221 P: 2.500 H: 25.500 Θ1: 0.000 SC2: 0.937 SC = SC1*SC2: 0.207 Page 39 of 51 SC2 Calculation for Horizontal Shading FACADE ORIENTATION: Description: SE ETTV Glass U-Value: 2.990 SC1: 0.221 P: 2.500 H: 25.500 Θ1: 0.000 SC2: 0.927 SC = SC1*SC2: 0.205 Page 40 of 51 SC2 Calculation for Horizontal Shading FACADE ORIENTATION: Description: S ETTV Glass U-Value: 2.990 SC1: 0.221 P: 2.500 H: 25.500 Θ1: 0.000 SC2: 0.939 SC = SC1*SC2: 0.208 Page 41 of 51 SC2 Calculation for Horizontal Shading FACADE ORIENTATION: Description: SW ETTV Glass U-Value: 2.990 SC1: 0.221 P: 2.500 H: 25.500 Θ1: 0.000 SC2: 0.927 SC = SC1*SC2: 0.205 Page 42 of 51 SC2 Calculation for Egg-Louver Shading FACADE ORIENTATION: Description: N ETTV Glass U-Value: 2.990 SC1: 0.221 P: 0.900 H: 2.000 W: 0.500 SC2: 0.658 SC = SC1*SC2: 0.146 Page 43 of 51 SC2 Calculation for Egg-Louver Shading FACADE ORIENTATION: Description: NE ETTV Glass U-Value: 2.990 SC1: 0.221 P: 0.900 H: 2.000 W: 0.500 SC2: 0.533 SC = SC1*SC2: 0.118 Page 44 of 51 SC2 Calculation for Egg-Louver Shading FACADE ORIENTATION: Description: E ETTV Glass U-Value: 2.990 SC1: 0.221 P: 0.900 H: 2.000 W: 0.500 SC2: 0.599 SC = SC1*SC2: 0.133 Page 45 of 51 SC2 Calculation for Egg-Louver Shading FACADE ORIENTATION: Description: SE ETTV Glass U-Value: 2.990 SC1: 0.221 P: 0.900 H: 2.000 W: 0.500 SC2: 0.508 SC = SC1*SC2: 0.112 Page 46 of 51 SC2 Calculation for Egg-Louver Shading FACADE ORIENTATION: Description: S ETTV Glass U-Value: 2.990 SC1: 0.221 P: 0.900 H: 2.000 W: 0.500 SC2: 0.658 SC = SC1*SC2: 0.146 Page 47 of 51 SC2 Calculation for Egg-Louver Shading FACADE ORIENTATION: Description: SW ETTV Glass U-Value: 2.990 SC1: 0.221 P: 0.900 H: 2.000 W: 0.500 SC2: 0.508 SC = SC1*SC2: 0.112 Page 48 of 51 SC2 Calculation for Egg-Louver Shading FACADE ORIENTATION: Description: W ETTV Glass U-Value: 2.990 SC1: 0.221 P: 0.900 H: 2.000 W: 0.500 SC2: 0.599 SC = SC1*SC2: 0.133 Page 49 of 51 SC2 Calculation for Egg-Louver Shading FACADE ORIENTATION: Description: NW ETTV Glass U-Value: 2.990 SC1: 0.221 P: 0.900 H: 2.000 W: 0.500 SC2: 0.533 SC = SC1*SC2: 0.118 Page 50 of 51 CALCULATION OF ENVELOPE THERMAL TRANSFER VALUE OF BUILDING ENVELOPE N + S + E + W AreaN + AreaS + AreaE + AreaW NE + NW + SE + SW AreaNE + AreaNW + AreaSE + AreaSW 35130.15 + 41053.14 + 2098.16 + 11833.81 1184.75 + 1312.53 + 49.34 + 337.75 8411.54 + 18265.50 + 21382.00 + 799.27 288.79 + 604.91 + 642.55 + 25.40 OVERALL = OVERALL = 138973.57 = 4446.02 = 31.26 W/m² Page 51 of 51
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