Plan /Submission Requirements As a result of the Code changes additional information will be required at the building permit application stage to ensure compliance with new 2012 BCBC requirements. This information should be provided on the building permit drawings. You may wish to use the 9.36 Energy Efficiency Design Worksheet. The following must be specified on the submitted plans: The plans are in compliance with the 2012 British Columbia Building Code; The plans are designed for Climatic Zone 5, 6 or 7A (dependent on location in the RDOS) The compliance path: o Prescriptive o Prescriptive with Trade-offs including calculations; or o Performance including energy modelling calculations The proposed values for specific construction elements as follows: Zone 5 Zone 6 Zone 7A Without With Without With Without With Ceilings below attics 8.67 6.91 8.67 8.67 10.43 8.67 Cathedral ceilings & flat roofs 4.67 4.67 4.67 4.67 5.02 5.02 Exterior Walls (including rim 3.08 2.97 3.08 2.97 3.08 2.97 joists) Garage/dwelling wall 2.92 2.81 2.92 2.81 2.92 2.81 assemblies Floors over unheated space 4.67 4.67 4.67 4.67 5.02 5.02 Foundation walls 2.98 2.98 2.98 2.98 3.46 2.98 Floors on ground (slab on grade) 1.96 1.96 1.96 1.96 3.72 2.84 Heated floors 2.32 2.32 2.32 2.32 2.84 2.84 Unheated floors (above frost line) 1.96 1.96 1.96 1.96 1.96 1.96 Max U-Value Windows & Doors 1.8 1.6 1.6 1.6 1.6 1.6 Skylights 2.9 2.9 2.7 2.7 2.7 2.7 Identification and calculations for any trade-off proposals; Identification of air barrier location; Location and specifications for any rigid insulation in assemblies; details at plumbing and ductwork adjacent to insulated assemblies; In order to facilitate review of building permit applications, the submitted drawings must accurately indicate the proposed construction. Cross sections and details must clearly show enough information to show compliance with the 2012 BCBC. www.rdos.bc.ca Ppage1Page
9.36 Energy Efficiency Design Worksheet This supplemental form is to be completed and submitted with building permit applications where design drawings do not indicate specific design criteria. All values to be confirmed by the Building Official. Roof Assembly ceiling below attic 2 (in addition to that listed in assembly Table A-1, ie XPS 1 =0.88) 3 Vapour barrier 0.00 4 Gypsum (.0061/mm = ½ = 0.076) 5 Interior air film 0.12 6 Other: (list) Effective from Table A (determined by type of roof assembly): Required Effective Value (without ) Zone 5 and 6 8.67 Effective Value (with ) - Zone 5 6.91 Effective Value (with ) - Zone 6 and 7A 8.67 Effective Value (without ) Zone 7A 10.43 Proposed Roof Assembly cathedral ceiling and flat roof assembly 2 Roofing material 3 Sheathing material & thickness (ie 7/16 OSB = 0.11) 4 Strapping (if applicable) 5 Vapour barrier 0.00 6 Gypsum (.0061/mm = ½ = 0.076) 7 Interior air film 0.12 8 Other: (list) Effective from Table A (determined by type of roof assembly): Required Effective Value (with or without ) Zone 5 and 6 4.67 Effective Value (with or without Zone 7A) 5.02 Proposed RDOS Building Inspection Page 2
Exterior Wall Assembly 2 Cladding material & thickness: 4 Sheathing membrane 0.00 5 Sheathing material & thickness (ie 7/16 OSB = 0.11) 6 (in addition to that listed in assembly Table A-1, ie XPS 1 =0.88) 7 Vapour barrier 0.00 8 Gypsum (.0061/mm = ½ = 0.076) 9 Interior air film 0.12 10 Other: (list) Effective from Table B (determined by type of wall assembly): Required Effective Value (without ) 3.08 Effective Value (with Zone 5, 6 and 7A) 2.97 Proposed Additional Exterior Wall Assembly (if applicable ie different cladding) 2 Cladding material & thickness: 4 Sheathing membrane 0.00 5 Sheathing material & thickness (ie 7/16 OSB = 0.11) 6 (in addition to that listed in assembly Table A-1, ie XPS 1 =0.88) 7 Vapour barrier 0.00 8 Gypsum (.0061/mm = ½ = 0.076) 9 Interior air film 0.12 10 Other: (list) Effective from Table B (determined by type of wall assembly): Required Effective Value (without ) 3.08 Effective Value (with Zone 5, 6 and 7A) 2.97 Proposed RDOS Building Inspection Page 3
Floors over unheated space assembly 2 Finished floor material & thickness: 4 Sheathing material & thickness (ie 7/16 OSB = 0.11) 5 (in addition to that listed in assembly Table A-1, ie XPS 1 =0.88) 6 Vapour barrier 0.00 7 Gypsum (.0061/mm = ½ = 0.076) 8 Interior air film 0.12 9 Other: (list) Effective from Table C (determined by type of wall assembly): Required Effective Value (with or without ) Zone 5 and 6 4.67 Effective Value (with or without )- Zone 7A 5.02 Proposed Garage / Dwelling Wall Assembly 2 Cladding material & thickness: 4 Sheathing membrane 0.00 5 Sheathing material & thickness (ie 7/16 OSB = 0.11) 6 (in addition to that listed in assembly Table A-1, ie XPS 1 =0.88) 7 Vapour barrier 0.00 8 Gypsum (.0061/mm = ½ = 0.076) 9 Interior air film 0.12 10 Other: (list) Effective from Table B (determined by type of wall assembly): Required Effective Value (without 3.08-0.16) 2.92 Effective Value (with Zone 5, 6 and 7A 2.97-0.16) 2.81 Proposed RDOS Building Inspection Page 4
Garage / Dwelling Floor Assembly 2 Finished floor material & thickness: 3 Sheathing material & thickness (ie 7/16 OSB = 0.11) 4 (in addition to that listed in assembly Table A-1, ie XPS 1 =0.88) 5 Vapour barrier 0.00 6 Gypsum (.0061/mm = ½ = 0.076) 7 Interior air film 0.12 8 Other: (list) Effective from Table C (determined by type of wall assembly): Required Effective Value (with or without ) Zone 5 and 6 (4.67-0.16 ) 4.51 Effective Value (with or without )- Zone 7A (5.02-0.16 ) 4.86 Proposed Foundation Wall Assembly 1 Concrete (.0004/mm or.01016/inch) 2 Cladding material & thickness: 4 Sheathing membrane 0.00 5 Sheathing material & thickness (ie 7/16 OSB = 0.11) 6 (in addition to that listed in assembly Table A-1, ie XPS 1 =0.88) 7 Vapour barrier 0.00 8 Gypsum (.0061/mm = ½ = 0.076) 9 Interior air film 0.12 10 Other: (list) Effective from Table B (determined by type of wall assembly): Required Effective Value (with or without ) None 5 and 6 2.98 Effective Value (with ) - Zone 7A 2.98 Effective Value (without ) - Zone 7A 3.46 Proposed RDOS Building Inspection Page 5
Table A Effective for Roof Assemblies (balance to be made up with, sheathing other materials and air coefficients) Roof assembly Nominal Effective roof assembly Roof Assembly Nominal Effective roof assembly Ceilings with typical trusses (bottom chord size) Ceilings with raised heel trusses (bottom chord size) 2x4 @ 16 oc R12 1.68 2x4 @ 16 oc R12 1.79 R14 1.86 R14 2 2x4 @ 19 oc R12 1.72 2x4 @ 19 oc R12 1.83 R14 1.91 R14 2.06 2x4 @ 24 oc R12 1.76 2x4 @ 24 oc R12 1.87 R14 1.97 R14 2.12 2x6 @ 16 oc R19 2.67 2x6 @ 16 oc R19 2.83 R22 2.94 R22 3.16 R24 3.12 R24 3.37 2x6 @ 19 oc R19 2.72 2x6 @ 19 oc R19 2.90 R22 3.02 R22 3.25 R24 3.21 R24 3.48 2x6 @ 24 oc R19 2.79 2x6 @ 24 oc R19 2.97 R22 3.10 R22 3.34 R24 3.30 R24 3.59 Dimensional lumber cathedral & flat roofs I-joists (ceilings & flat roofs) 2x8 @ 16 oc R28 3.85 9 ½ @ 16 oc R28 4.38 - - 9 ½ @ 19 oc R28 4.46 2x8 @ 19 oc R28 3.95 9 ½ @ 24 oc R28 4.55 - - 11 7/8 @ 16 oc R28 4.55 2x8 @ 24 oc R28 4.05 R40 6.09 - - 11 7/8 @ 19 oc R28 4.61 2x10 @ 16 oc R28 4.14 R40 6.23 R40 5. 11 7/8 @ 24 oc R28 4.67 2x10 @ 19 oc R28 4.22 R40 6.37 R40 5.46 14 @ 16 oc R28 4.66 2x10 @ 24 oc R28 4.30 R40 6.29 R40 5.62 14 @ 19 oc R28 4.71 2x12 @ 16 oc R28 4.35 R40 6.4 R40 5.64 14 @ 24 oc R28 4.75 2x12 @ 19 oc R28 4.41 R40 6.52 R40 5.78 16 @ 16 oc R28 4.75 2x12 @ 24 oc R28 4.47 R40 6.44 R40 5.92 16 @ 19 oc R28 4.78 R40 6.53 16 @ 24 oc R28 4.81 R40 6.63 RDOS Building Inspection Page 6
Table B Effective for Wall Assemblies (balance to be made up with, sheathing other materials and air coefficients) Wall assembly Nominal Effective Wall Assembly Nominal Effective 2x4 @ 12 oc R12 1.46 2x6 @ 16 oc R19 2.36 R14 1.58 R22 2.55 2x4 @ 16 oc R12 1.49 R24 2.66 R14 1.61 2x6 @ 24 oc R19 2.45 2x4 @ 19 oc R12 1.52 R22 2.67 R14 1.65 R24 2.80 2x4 @ 24 oc R12 1.55 2x8 @ 16 oc R24 3.04 R14 1.69 2x8 @ 19 oc R24 3.09 ICF R20 3.58 2x8 @ 24 oc R24 3.15 Basement Interior walls inside concrete foundation wall 2x4 @ 16 oc R12 1.64 2x6 @ 16 oc R19 2.59 R14 1.80 R22 2.84 2x4 @ 19 oc R12 1.67 2x6 @ 19 oc R19 2.65 R14 1.85 R22 2.92 2x4 @ 24 oc R12 1.71 2x6 @ 24 oc R19 2.70 R14 1.90 R22 2.99 Table C Effective for Floor Assemblies (balance to be made up with, sheathing other materials and air coefficients) Floor assembly Nominal Effective floor assembly Floor Assembly I-joists Nominal Effective Floor assembly 2x8 @ 16 oc R28 3.85 9 ½ @ 16 oc R28 4.38 2x8 @ 19 oc R28 3.95 9 ½ @ 19 oc R28 4.46 2x8 @ 24 oc R28 4.05 9 ½ @ 24 oc R28 4.55 2x10 @ 16 oc R28 4.14 11 7/8 @ 16 oc R28 4.55 R40 5.0 R40 6.09 2x10 @ 19 oc R28 4.22 11 7/8 @ 19 oc R28 4.61 R40 5.46 R40 6.23 2x10 @ 24 oc R28 4.30 11 7/8 @ 24 oc R28 4.67 R40 5.62 R40 6.37 2x12 @ 16 oc R28 4.35 14 @ 16 oc R28 4.66 R40 5.64 R40 6.29 2x12 @ 19 oc R28 4.41 14 @ 19 oc R28 4.71 R40 5.78 R40 6.4 2x12 @ 24 oc R28 4.47 14 @ 24 oc R28 4.75 R40 5.92 R40 6.52 16 @ 16 oc R28 4.75 R40 6.44 16 @ 19 oc R28 4.78 R40 6.53 16 @ 24 oc R28 4.81 R40 6.63 RDOS Building Inspection Page 7
Thermal Resistance Values of Common Building Materials Thermal resistance () Values of Common Building Materials (see Table A-9.36.2.4.(1)D for a complete list of building materials Exterior air film (not applicable to foundations) 0.03 Interior air film ceilings 0.11 Interior air film floor 0.16 Interior Air film walls 0.12 13 mm air cavity walls 0.16 21 mm stucco 0.019 Hollow backed vinyl siding over sheathing 0.11 200 mm 13 mm thick wood bevel siding 0.14 Hardiplank (fiber-cement) siding 0.026 Stone 0.0004/mm Asphalt roll roofing 0.03 Asphalt shingles 0.08 Built-up roofing 0.06 3/8 plywood 0.083 7/16 plywood 0.096 ½ plywood 0.109 3/8 OSB 0.093 7/16 OSB 0.108 ½ OSB 0.123 Permeable felt 0.011 Seal, plastic film 0.00 R12 2.11 R14 2.46 R19 (R20 compressed) 3.34 R22 3.87 R24 4.23 R28 4.93 R40 7.04 EPS (expanded polystyrene) Type 1 25 mm 0.65 EPS (expanded polystyrene) Type 2 25 mm 0.71 XPS (extruded polystyrene) 25 mm 0.88 Loose fill cellulose 0.025/mm Loose fill glass fibre for attics 0.01875/mm Concrete 0.0004/mm Structural framing SPF (0.0085/mm) 2x4 0.76 Structural framing SPF (0.0085/mm) 2x6 1.19 Structural framing SPF (0.0085/mm) 2x8 1.56 Structural framing SPF (0.0085/mm) 2x10 2.00 Gypsum Wall Board (0.0061/mm) ½ 0.076 Plywood 0.0087/mm Carpet and fibrous pad 0.370 Cork tile 3.2 mm 0.049 Tile (linoleum, vinyl, rubber) 0.009 RDOS Building Inspection Page 8