510-RICR-00-00-8. RISBC-8 Rhode Island Energy Conservation Code (version Amendment, 07/01/2013 to 07/01/2013)

RHODE ISLAND STATE BUILDING CODE SBC-8 State Energy Conservation Code Replaces SBC-8-2010 Effective July 1, 2013 STATE OF RHODE ISLAND AND PROVIDENCE PLANTATIONS Department of Administration BUILDING CODE STANDARDS COMMITTEE One Capitol Hill Providence, Rhode Island 02908-5859 (401) 222-3033 FAX No. (401) 222-2599 www.ribcc@ri.gov 6th EDITION RISBC-8 2013 RISBC-8 2013 Regulation SBC-8 State Energy Conservation Code July 1, 2013 The Building Code Standards Committee, in accordance with the rule making authority of Title 23, Chapter 23-27.3, Section 109.1, paragraphs a through c inclusive, has formally adopted and promulgated as the Rhode Island State Building Code, the provisions of the International Energy Conservation Code, 2012 edition, as published by the International Code Council, Inc. (I.C.C.), together with amendments thereto hereinafter set forth to the articles and sections of this code: The provisions of Title 23, Chapter 27.3 of the General Laws of Rhode Island establishing administration and enforcement are hereby incorporated by reference. Regulatory Administration Chapter 1 immediately follows and is supplemental to the General Laws. Editorial Note: Code users please note: When purchasing or using the International Energy Conservation Code 2012 code, please take note of the particular printing edition. Errata to that printing edition is available on-line directly at no charge at www.iccsafe.org/cs/codes/pages/errata.aspx or call the office of the State Building Code Commissioner at 401-222-1129 for further information. Printed copies of the administrative and enforcement provisions of Title 23, Chapter 27.3 are available at the Office of the State Building Code Commission or on-line at http://www.rilin.state.ri.us/Statutes/TITLE23/23-27.3/INDEX.HTM. The International Energy Conservation Code, 2012 Edition, is protected by the copyright that has been issued to the ICC. As a result, the State Building Code is not available in complete form to the public in an electronic format. The State Energy Conservation Code 2013 edition that is referred to within is contained in a printed volume and is also in an electronic format that have been published by the ICC under an exclusive license. The Office of the State Building Code Commissioner has purchased volumes of these codes and they shall be distributed to Rhode Island cities and towns during the month of June 2013 so that local officials will have access to the code prior to the implementation of these rules on July 1, 2013. In order to assure public access to this code the Office of the State Building Code Commissioner shall provide a copy of this code to the Rhode Island State Library, which is located on the second floor of the State House. In addition, all codes may be viewed during business hours at the Department of Administration’s Library which is located on the fourth floor of the William E. Powers Building, One Capitol Hill, Providence. The Legislative Regulation Committee approved adoption of this code on July 1, 2013. By: John P. Leyden Executive Secretary Rhode Island Building Code Standards Committee i RISBC-8 2013 STATE OF RHODE ISLAND BUILDING CODE STANDARDS COMMITTEE CHAIRMAN VICE CHAIRMAN William J. Nash Building Official Bernard J. Bernard, III Electrical Inspector EXECUTIVE COMMITTEE Michael A. Newman Master Plumber James Fink Electrical Engineer Doris Aschman Public Health Official Michael Daley Builders Trades Council Stephen C. Turner, PE Public Member Peter R. Scorpio, III Building Official Dana Newbrook Architect James R. Carlson, RA Public Member Scott D. Caron Fire Official G. Thomas Chabot Electrical Contractor David F. Palmisciano Building Trades Council Randy Collins, Jr., RLA Landscape Architect Gordon W. Preiss, PE Mechanical Engineer Robert E. DeBlois, Jr. Builder Craig R. Sutton Builder Paul DePace, PE Representative for the Disabled Russell Brown Representative for the Disabled Fred Sarno Building Official John P. Leyden, CBO State Building Commissioner Executive Secretary Wayne R. Pimental, CBO Minimum Housing Inspector Thomas Coffey Legal Counsel RISBC-8 2013 STATE BUILDING CODE REGULATIONS – 2013 The following list includes all regulations promulgated by the State Building Code Standards Committee. All regulations are available for a fee at the State Building Commission. 1. Building Code SBC-1-2013 2. One and Two Family Dwelling Code SBC-2-2013 3. Plumbing Code SBC-3-2013 4. Mechanical Code SBC-4-2013 5. Electrical Code SBC-5-2011 6. Property Maintenance Code SBC-6-2013 7. Reserved 8. Energy Conservation Code SBC-8-2013 9 Enforcement and Implementation Procedures for Projects Under the Jurisdiction of The State of Rhode Island SBC-9 10. Code Interpretations SBC-10 11. Certification of Building Officials, Building, Electrical, Plumbing and Mechanical Inspectors SBC-11-2010 12. New Materials and Methods of Construction SBC-12 13. State Building Code for Existing Schools SBC-13 14. Reserved 15. Reserved 16. Reserved 17. Public Buildings Accessibility Meeting Standards SBC-17 18. Native Lumber SBC-18 19. Fuel Gas Code SBC-19-2013 20. The State of Rhode Island Rehabilitation Building and Fire Code for Existing Buildings and Structures SRC-1-2002 iii Format: These code changes follow numbering sequence and topics of the INTERNATIONAL ENERGY CONSERVATION CODE 2012 (first printing). All Provisions of IECC 2012 are retained unless indicated as deleted or revised. Published errata are available from the ICC website dependent on the printing issue number and date. Chapter 1[CE] ADMINISTRATION Revise IECC section C101.1, Title, to read as follows: C101.1 Title: These regulations shall be known as the State Energy Conservation Code Regulation SBC-8 - 2013 hereafter referred to as "this code”. Add the following new section C101.1.1 referenced codes. C101.1.1 Referenced Codes. The other codes listed in Sections C101.4.1 through C101.4.6 and referenced elsewhere in this code shall be considered part of the requirements of this code to the prescribed extent of each such reference. 1. Electrical. The provisions of Rhode Island State Electrical Code SBC-5-2011 shall apply wherever referenced in this code as the ICC Electrical Code, and shall apply to the installation of electrical systems, including alterations, repairs, replacement, equipment, appliances, fixtures, fittings, and appurtenances thereto. 2. Gas. The provisions of the Rhode Island State Fuel Gas Code SBC-19-2013 shall apply wherever referenced in this code as the International Fuel Gas Code, and shall apply to the installation of gas piping from the point of delivery, gas appliances and related accessories as covered in this code. These requirements apply to gas piping systems extending from the point of delivery to the inlet connections of appliances and the installation and operation of residential and commercial gas appliances and related accessories. 3. Mechanical. The provisions of the Rhode Island State Mechanical Code SBC-4- 2013 shall apply wherever referenced in this code as the International Mechanical Code and shall apply to the installation, alterations, repairs and replacement of the mechanical systems, including equipment, appliances, fixtures, fittings and/or appurtenances, including ventilating, heating, cooling, air-conditioning and refrigeration systems, incinerators and other energy-related systems. Page 1 RI-SBC-8 2013 4. Plumbing. The provisions of Rhode Island State Plumbing Code SBC-3-2013 shall apply wherever referenced in this code as the International Plumbing Code, and shall apply to the installation, alteration, repair and replacement of plumbing systems, including equipment, appliances, fixtures, fittings and appurtenances, and where connected to a water or sewage system and all aspects of a medical gas system. 5. Property Maintenance. The provisions of the Rhode Island State Property Maintenance Code SBC-6-2013 Provides requirements for continued use and maintenance buildings and property, and of related plumbing, mechanical, electrical and fire protection systems in existing residential nonresidential structures. 6. Fire Prevention Code. Wherever and whenever provisions of the International Fire Code 2012 editions are referenced, the appropriate Rhode Island Fire Safety Code requirements shall apply. 7. Building Code. The provisions of the Rhode Island State Building Code SBC-1- 2013 shall apply wherever referenced in this code as the International Building Code, and shall apply to all matters governing the design and construction of buildings. 8. Existing Building Code. The provisions of the State Building Codes SBC-1-2013 in conjunction with the State Rehabilitation Code SRC-1 and the Rhode Island Fire Safety Code shall apply wherever referenced in this code as the International Existing Building Code. Any and all such references to the various International Code Council family of code shall be substituted for the appropriate state code as indicated above. Page 2 RI-SBC-8 2013 Chapter 3[CE] Climate Zones Delete section C301 in its entirety and substitute the following. Section C301 Climate Zones C301.1 General Rhode Island shall be considered as climate zone 5 with the following design conditions. Table C301.1 Delete and substitute the following: Table 301.1 Exterior Design Conditions. Value Value Climate zone Providence County All others Winter, design dry-bulb (degree F) 0 5 Summer, design dry-bulb 87 89 Summer design wet-bulb 71 73 Degree days heating 6831 5950 Degree days cooling 371 811 Page 3 RI-SBC-8 2013 Delete Figure C301.1 and Substitute the following: Figure C301.1 Page 4 RI-SBC-8 2013 Delete without substitution section C301.2 and C301.3 Delete without substitution Table C301.3(1) Delete table C301.3(2) and substitute the following TABLE C301.3(2) RHODE ISLAND CLIMATE ZONE DEFINITION THERMAL CRITERIA Zone Number IP UNITS SI UNITS 5 5400 ,HDD650F≤ 7200 3000 < HDD180C ≤ 4000 Delete C302.1 and substitute the following: C302.1 Interior design conditions. The interior design temperature used for energy load calculations shall be a maximum of 72°F (22°C) for heating and minimum of 75°F (24°C) for cooling. Page 5 RI-SBC-8 2013 Chapter 4[CE] Delete C401.2 Application. And add the following: C401.2 Application. The Commercial buildings projects shall comply with the requirements in section C403 (Building Envelope Requirements), C403 (Building Mechanical Systems ), C404 (Service Water Heating) and C405 (Electrical Power and Lighting Systems) in its entirety, as an alternative the commercial building project shall comply with the energy cost budget method in ASHRAE/IESNA 90.1. Delete without substitute C401.2.1 Application to existing building. Delete Table C402.1.2 and substitute the following TABLE C402.1.2 OPAQUE THERMAL ENVELOPE ASSEMBLY REQUIREMENTS CLIMATE ZONE 5 All other Group R Roofs Insulation entirely above deck U-0.039 U-0.039 Metal buildings U-0.035 U-0.035 Attic and other U-0.027 U-00021 Walls, Above Grade Mass U-0.078 U-0.78 Metal building U-0.052 U-0.052 Metal framed U-0.064 U-0.064 Wood framed and other U-0.064 U-0.064 Walls, Below Grade Below-grade walla C-0.119 C-0.119 Floors Mass U-0.074 U-0.064 Joist/Framing U-0.033 U-0.033 Slab-on Grade Floors Unheated slabs F-0.54 F-0.54 Heated slabs F-0.58 F0.58 a. Use opaque assembly U-factors, C-factors, and F-factors from ANSI/ASHRAE/IESNA 90.1 Appendix A shall be permitted, provided the construction complies with the applicable construction details from ANSI/ASHRAE/IESNA 90.1 Appendix A. b. When heated slabs are placed below-grade, below grade walls must meet the F-factor requirements for heated slabs. Page 6 RI-SBC-8 2013 Delete Table C402.2 and substitute the following TABLE C402.2 OPAQUE THERMAL ENVELOPE REQUIREMENTS CLIMATE ZONE 5 ALL OTHERS GROUP R Roofs Insulation entirely Above deck R-25ci R-25ci Metal buildings (with R-5 thermal blocksa,b) R-19 + R-11LS R-19 R-11LS Attic and other R-38 R-49 Walls, Above Grade Mass R-11.4ci R-13.3 ci Metal buildingb R-13 + R-13ci R-13 + R-13ci Metal framed R-13 + R-7.5ci R-13 + R-7.5ci Wood framed and other R-13 + R-3.8ci or R-20 R-13 + R-7.5ci or R-20 + R-3.8ci Walls, Below Grade Below grade wallc R-7.5ci R-7.5ci Floors Mass R-10ci R-12.5ci Joist/framing Steel/(wood) R-30 R-30 Slab-on-Grade Floors Unheated Slabs R-10 for 24” below R-10 for 24” below Heated slabs R-15 for 36” below R-15 for 36” below Opaque doors Swinging U –0.37 U –0.37 Roll-up or sliding R -4.75 R -4.75 For SI: 1 inch = 25.4mm. Ci = Continuous insulation. NR = No requirement. a. Assembly descriptions can be found in ANSI/ASHRAE/IESNA Appendix A. b. When using R-value compliance method, a thermal spacer block shall be provided, otherwise use the U-factor compliance method in Table C402.1.2. c. R-5.7ci is allowed to be substituted with concrete block walls complying with ASTM C 90, ungrouted or partially grouted at 32 inches or less on center vertically and 48 inches or less on center horizontally, with ungrouted cores filled with materials having a maximum thermal conductivity of 0.44 Btu-in/h-f2 F. d. Where heated slabs are below grade, below-grade walls shall comply with the exterior insulation requirements for heated slabs. e. Steel floor joist systems shall be insulated to R-38. Page 7 RI-SBC-8 2013 Delete Table C402.3 and substitute the following TABLE C402.3 BUILDING ENVELOPE REQUIREMENTS: FENESTRATION CLIMATE ZONE 5 Vertical fenestration U-factor Fixed fenestration 0.38 Operable fenestration 0.45 Entrance door 0.77 SHGC SHGC 0.40 Skylights U-factor 0.50 SHGC 0.40 C403.2.1 Delete and Substitute C403.2.1 Calculation of heating and cooling loads. Design loads shall be determined in accordance with the procedures described in the ANSI/ASHRAE/ACCA Standard 183. The design loads shall account for the building envelope, lighting, ventilation and occupancy loads based on the projected design. Heating and cooling loads shall be adjusted to account for load reductions that are achieved when energy recovery systems are utilized in the HVAC system. Alternatively, design loads shall be determined by an approved equivalent computation procedure, using the design parameters specified in Chapter 3. C403.2.4.4 Delete and substitute the following exceptions. 1. Gravity exhaust dampers shall be permitted in buildings less than three stories in height. 2. Gravity dampers shall be permitted for exhaust airflows of 300 CFM (.14 m3/s) when serving a single space. Page 8 RI-SBC-8 2013 C403.2.4.5 Delete and substitute C403.2.4.5 Snow melt system controls. Snow and ice-melting system are allowed only when there is no increase in supplied energy consumption. As certified by Registered Design Professional. Snow- and ice- melting systems, supplied through energy service to the building, shall include automatic controls capable of shutting off the system when the pavement temperature is above 50°F (10°C) and no precipitation is falling and an automatic or manual control that will allow shutoff when the outdoor temperature is above 40°F (4°C) so that the potential for snow or ice accumulation is negligible. TABLE C403.2.6 ENERGY RECOVERY REQUIREMENT PERCENT (%) OUTDOOR AIR AT FULL DESIGN AIRFLOW RATE >30% AND < 40% >40% AND <50% >50% AND <60% >60% AND <70% >70% AND <80% > 80% CLIMATE ZONE DESIGN SUPPLY FAN AIRFLOW RATE (cfm) 5 > 5500 >4500 > 3500 > 2000 > 1000 > 0 C403.2.7 Delete and substitute C403.2.7 Duct and plenum insulation and sealing. All supply and return air ducts and plenums shall be insulated with a minimum of R-8 insulation when located in unconditioned spaces and a minimum of R-12 insulation when located outside the building. When located within a building envelope assembly, the duct or plenum shall be separated from the building exterior or unconditioned or exempt spaces by a minimum of R-8 insulation. Exceptions: 1. When located within equipment. 2. When the design temperature difference between the interior and exterior of the duct or plenum does not exceed 15°F (8°C). All ducts, air handlers and filter boxes shall be sealed. Joints and seams shall comply with section 603.9 of the International Mechanical Code. Page 9 RI-SBC-8 2013 Page 10 RI-SBC-8 2013 Delete Table C403.3.1(1) and substitute the following table: Table C403.3.1(1) Climate Zone 5-A Economizers on all individual cooling units > 54,000 Btu/h TABLE C403.3.1.3(1) HIGH-LIMIT SHUTOFF CONTROL OPTION FOR AIR ECONOMIZER CLIMATE ZONES ALLOWED CONTROL TYPES RI 5 Fixed dry bulb Differential dry bulb Fixed enthalpy Electronic enthalpy Differential enthalpy Dew-point and dry-bulb temperatures a. Electronic enthalpy controllers are devices that use a combination of humidity and dry-bulb temperature in their switching algorithm. Deleted without substitute Section C407 Chapter 5[CE] Reference Standards Delete without substitute ASHRAE – 2004 ASHRAE HVAC Systems and Equipment Hand Book – 2004. Page 11 RI-SBC-8 2013 Chapter 1[RE] ADMINISTRATION Revise IECC section R101.1, Title, to read as follows: R101.1 Title: These regulations shall be known as the State Energy Conservation Code Regulation SBC-8 - 2013 hereafter referred to as "this code”. Add the following new section R101.1.1 referenced codes. R101.1.1 Referenced Codes. The other codes listed in Sections R101.4.1 through R101.4.7 and referenced elsewhere in this code shall be considered part of the requirements of this code to the prescribed extent of each such reference. 1. Electrical. The provisions of Rhode Island State Electrical Code SBC-5-2011 shall apply wherever referenced in this code as the ICC Electrical Code, and shall apply to the installation of electrical systems, including alterations, repairs, replacement, equipment, appliances, fixtures, fittings, and appurtenances thereto. 2. Gas. The provisions of the Rhode Island State Fuel Gas Code SBC-19-2013 shall apply wherever referenced in this code as the International Fuel Gas Code, and shall apply to the installation of gas piping from the point of delivery, gas appliances and related accessories as covered in this code. These requirements apply to gas piping systems extending from the point of delivery to the inlet connections of appliances and the installation and operation of residential and commercial gas appliances and related accessories. 3. Mechanical. The provisions of the Rhode Island State Mechanical Code SBC-4- 2013 shall apply wherever referenced in this code as the International Mechanical Code and shall apply to the installation, alterations, repairs and replacement of the mechanical systems, including equipment, appliances, fixtures, fittings and/or appurtenances, including ventilating, heating, cooling, air-conditioning and refrigeration systems, incinerators and other energy-related systems. 4. Plumbing. The provisions of Rhode Island State Plumbing Code SBC-3-2013 shall apply wherever referenced in this code as the International Plumbing Code, and shall apply to the installation, alteration, repair and replacement of plumbing systems, including equipment, appliances, fixtures, fittings and appurtenances, and where connected to a water or sewage system and all aspects of a medical gas system. Page 1 RI-SBC-8 2013 5. Property Maintenance. The provisions of the Rhode Island State Property Maintenance Code SBC-6-2013 Provides requirements for continued use and maintenance buildings and property, and of related plumbing, mechanical, electrical and fire protection systems in existing residential nonresidential structures. 6. Fire Prevention Code. Wherever and whenever provisions of the International Fire Code 2012 editions are referenced, the appropriate Rhode Island Fire Safety Code requirements shall apply. 7. Building Code. The provisions of the Rhode Island State Building Code SBC-1- 2013 shall apply wherever referenced in this code as the International Building Code, and shall apply to all matters governing the design and construction of buildings. 9. Existing Building Code. The provisions of the State Building Codes SBC-1-2013 in conjunction with the State Rehabilitation Code SRC-1 and the Rhode Island Fire Safety Code shall apply wherever referenced in this code as the International Existing Building Code. Any and all such references to the various International Code Council family of code shall be substituted for the appropriate state code as indicated above. Page 2 RI-SBC-8 2013 Page 3 RI-SBC-8 2013 Chapter 3[RE] Climate Zones Delete section R301 in its entirety and substitute the following. Section C301 Climate Zones R301.1 General Rhode Island shall be considered as climate zone 5 with the following design conditions. Table R301.1 Delete and substitute the following: Table R301.1 Exterior Design Conditions. Value Value Climate zone Providence County All others Winter, design dry-bulb (degree F) 0 5 Summer, design dry-bulb 87 89 Summer design wet-bulb 71 73 Degree days heating 6831 5950 Degree days cooling 371 811 Delete without substitute section R301.2 and R301.3 Delete Table R301.3(1) without substitute Delete Table R301.3(2) without substitute Delete Figure R301.1 and Substitute the following: Figure R301.1 Page 1 RI-SBC-8 2013 CHAPTER 4 [RE] R401.2 Delete R401.2 and substitute the following: R401.2 Compliance Methods Compliance shall be demonstrated by either: 1. Meeting the requirements of the Rhode Island Energy Conservation Code SBC-8-2013. 2. Meeting the requirements of this chapter using the criteria for climate zone 5 from Figure N 1102A or table 1102.1.2. 3. Compliance submission of Res-Check for Zone 5 & R.I. Energy Conservation Code Residential Provisions. Add the following to R401.3 Certificate: Figure R401.3 A certificate similar to this shall be attached to or near the electrical panel board ENERGY CERTIFICATE Street Address City / Town Predominant Values R-Value Ceiling / Roof R- Value Walls R- Value Ducts (outside conditioned space) U Factor Fenestration SHGC Fenestration Gas Fired Un-vented Room Heater Baseboard Electric Heater Electric Furnace U Factor Skylight / SHGC AFUE Value Boiler / Furnace Efficiency and type of heating equipment Efficiency and type of cooling equipment Efficiency and type of service water heater Contractor or Design Professional Address Registration Signature Page 2 RI-SBC-8 2013 Delete and substitute Table R402.1.1 TABLE R402.1.1 INSULATION AND FENESTRATION REQUIRMENTS BY COMPONENT a CLIMATE ZONE FERNESTRATION U-FACTOR b SKYLIGHT b U-FACTOR GLAZED FERNESTRATION SHGC b CEILING R-VALUE i WOOD FRAME WALL R-VALUE g MASS WALL R-VALUE FLOOR R-VALUE BASEMENT C WALL R-VALUE SLAB d R-VALUE & DEBTTH CRAWL SPACE c WALL R-VALUE 5 0.35 0.60 NR 38 20 or 13+5 f 13/17 30 e 10/13 R-10 for 2 ft 10/13 For SI: 1 foot = 304.8 mm. a. R-values are minimums U-factors and SHGC are maximums. R-19 batts compressed into a nominal 2 × 6 framing cavity such that the R- value is reduced by R-1 or more shall be marked with the compressed batt R-value in addition to the full thickness R-value. b. The fenestration U-factor column excludes skylights. The SHGC column applies to all glazed fenestration. c. “10/13” means R-10 continuous insulated sheathing on the interior or exterior of the homeor R- 13 cavity insulation at the interior of the basement wall. d. R-5 shall be added to the entire slab and the required slab edge R-values for heated slabs e. Or insulation sufficient to fill the framing cavity, R-19 minimum. f. “13+5” means R-13 cavity insulation plus R-5 insulated sheathing. If structural sheathing covers 25 percent or less of the exterior, insulating sheathing is not required where structural sheathing is used. If structural sheathing covers more than 25 percent of exterior, structural sheathing shall be supplemented with insulated sheathing of at least R-2. g. The second R-value applies when more than half the insulation is on the interior of the mass wall. Page 3 RI-SBC-8 2013 TABLE R402.1.3 EQUIVALENT U-FACTORSa CLIMATE ZONE FENESTRATION U-FACTOR SKYLIGHT U-FACTOR CEILING U-FACTOR FRAME WALL U-FACTOR MASS WALL U-FACTORb FLOOR U- FACTOR BASSEMENT WALL U-FACTOR CRAWL SPACE WALL U-FACTOR 5 0.32 0.55 0.026 0.057 0.082 0.033 0.050 0.055 R402.1.4 Total UA alternative Delete and substitute R402.1.4 Total UA alternative. If the total building thermal envelope UA (sum of U-factor times assembly area) is less than or equal to the total UA resulting from using the U-factors in Table R402.1.3 (multiplied by the same assembly area as in the proposed building), the building shall be considered in compliance with Table R402.1.1. The UA calculation shall include the thermal bridge effects of framing materials. The UA calculation shall include the thermal bridging effects of framing materials. The SHGC requirements shall be met in addition to UA compliance R402.4.1.2 Delete and substitute the following R402.4.1.2 Testing. The building or dwelling unit shall be tested and the air leakage rate shall be verified. Testing shall be conducted with a blower door at a pressure of 0.2 inches w.g. (50 Pascals). Testing shall be conducted by an approved third party, where required by the building official. A written report of the results of the test shall be signed by the party conducting the test and provided to the building official. Testing shall be performed at any time after creation of all penetrations of the building thermal envelope. During testing: 1. Exterior windows and doors, fireplace and stove doors shall be closed, but not sealed, beyond the intended weatherstripping or other infiltration control measures; 2. Dampers including exhaust, intake, makeup air, backdraft and flue dampers shall be closed, but not sealed beyond intended infiltration control measures; 3. Interior doors, if installed at the time of the test, shall be open. 4. Exterior doors for continuous ventilation systems and heat recovery ventilators shall be closed and sealed; 5. Heating and cooling systems, if installed at the time of the test, shall be turned off; and 6. Supply and return registers, if installed at the time of the test, shall be fully open. Page 4 RI-SBC-8 2013 Page 5 RI-SBC-8 2013 R403.2.2 Sealing (Mandatory) Delete From sections 403.2.2 1) Post construction test 2) Rough-in test Substitute the following: 1. Post construction test: Total leakage shall be less than or equal to 8 cfm (113.3 L/min) per 100 square feet (9.29 m2) of conditioned floor area when tested at a pressure differential of 0.1 inches w.g.(25 Pa) across the entire system, including the manufacturer’s air handler enclosure. All register boots shall be taped or otherwise sealed during the test. 2. Rough-in test: Total leakage shall be less than or equal to 6 cfm (113.3 L/min) per 100 square feet (9.29 m2) of conditioned floor area when tested at a pressure differential of 0.1 inches w.g. (25 Pa) across the system, including the manufacturer air handler enclosure. All registers shall be taped or otherwise sealed during the test. If the air handler is not installed at the time of the test, total leakage shall be less than or equal to 4 cfm (85 L/min) per 100 square feet (9.29 m2) of conditioned floor area. Delete R403.2.3 and substitute the following R403.2.3_ Building cavities (Mandatory). Interior building framing cavities shall be permitted to be used as return ducts or plenums. (BP) Chapter 5[RE] Reference Standards Delete without substitute ASHRAE – 2009 ASHRAE Handbook of Fundamentals. Page 1 RI-SBC-8 2013