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HomeMy WebLinkAbout2001-447ORDINANCENO AXI-O / AN ORDINANCE OF THE CITY OF DENTON, TEXAS AMENDING SECTION 28- 27 OF THE CODE OF ORDINANCES TO PROVIDE FOR THE ADOPTION OF THE 2000 INTERNATIONAL BUILDING CODE, 2000 INTERNATIONAL RESIDENTIAL CODE FOR ONE AND TWO FAMILY DWELLINGS, 2000 INTERNATIONAL FUEL GAS CODE, 2000 INTERNATIONAL PLUMBING CODE, 2000 INTERNATIONAL MECHANICAL CODE, AND THE 2000 INTERNATION ENERGY CONSERVTION CODE, ALL PUBLISHED BY THE INTERNATIONAL CODE COUNCIL, PROVIDING FOR AMENDMENTS THERETO, PROVIDING FOR A PENALTY FOR VIOLATION OF A FINE NOT TO EXCEED $2,000 00, PROVIDING FOR A SEVERABILITY CLAUSE, REPEALING ALL ORDINANCES IN CONFLICT THEREWITH, AND PROVIDING FOR AN EFFECTIVE DATE SECTION 1 That Chapter 28, Section 28-27 of the Code of Ordinances of the City of Denton is hereby amended so that said section shall hereafter be and read as follows Adoption of the building code The International Building Code, 2000 Edition, as published by the International Conference of Building Officials, a copy of which shall be filed in the Office of the City Secretary and available for public inspection, is hereby adopted and designated as the building code for other than 1 & 2 family dwellings for the city, the same as though the edition of such code were copied at length herein subject to the deletions and amendments enumerated in section 28-28, That Chapter 28, Section 28- 33 of the Code of Ordinances of the City of Denton is hereby added so that said section shall hereafter be and read as follows Adoption of the residential code The International Residential Code, 2000 edition as published by the International Code Council, a copy of which shall be filed in the Office of the City Secretary and available for public inspection, is hereby adopted and designated as the residential code for the city, the same as though the edition of such code were copied at length herein subject to the deletions and amendments enumerated in section 28-34 That Chapter 28, Section 28-123 of the Code of Ordinances of the City of Denton is hereby added so that said section shall hereafter be and read as follows Adoption of the fuel gas code The International Fuel Gas Code, 2000 edition as published by the International Code Council, a copy of which shall be filed in the Office of the City Secretary and available for public inspection, is hereby adopted and designated as the fuel gas code for the city, the same as though the edition of such code were copied at length herein subject to the deletions and amendments enumerated in section 28-124 That Chapter 28, Section 28-144 of the Code of Ordinances of the City of Denton is hereby amended so that said section shall hereafter be and read as follows Adoption of the plumbing code The International Plumbing Code, 2000 edition as published by the International Code Council, a copy of which shall be filed in the Office of the City Secretary and available for public inspection, is hereby adopted and designated as the plumbing code for the city, the same as though the edition of such code were copied at length herein subject to the deletions and amendments enumerated in section 28-145 That Chapter 28, Section 28-251 of the Code of Ordinances of the City of Denton is hereby amended so that said section shall hereafter be and read as follows Adoption of the mechanical code The International Mechanical Code, 2000 edition as published by the International Code Council, a copy of which shall be filed in the Office of the City Secretary and available for public inspection, is hereby adopted and designated as the mechanical code for the city, the same as though the edition of such code were copied at length herein subject to the deletions and amendments enumerated in section 28-252 That Chapter 28, Section 28-253 of the Code of Ordinances of the City of Denton is hereby added so that said section shall hereafter be and read as follows The International Energy Conservation Code, 2000 edition as published by the International Code Council, a copy of which shall be filed in the Office of the City Secretary and available for public inspection, is hereby adopted and designated as the energy code for the city, the same as though the edition of such code were copied at length herein subject to the deletions and amendments enumerated in section 28-254 Section 28-28 is hereby amended to read as follows (1) Section 101.4, change to read as follows. 101.4 Referenced codes. The other codes listed in Sections 1014 1 through 1014 7 and referenced elsewhere in this code, when specifically adopted, shall be considered part of the requirements of this code to the prescribed extend of each such reference Whenever amendments have been adopted to the referenced codes and standards, each reference to said code and standard shall be considered to reference the amendments as well Any reference to NFPA 70 or the ICC Electrical Code shall mean the Electrical Code as adopted (2) Section 109.3 S; delete. (3) Section 202; add a new definition to read as follows HIGH-RISE BUILDING is a building having floors used for human occupancy located more than 55 feet (16 764 mm) above the lowest level of fire department vehicle access (4) Table 302.3.3, footnote e, change to read as follows c Assembly uses accessory to Group E Occupancy must comply with the provisions for Group A Occupancy but for the purpose of Section 302 3 are not considered separate occupancies (5) Section 403.1; change to read as follows: 403.1, Applicability. The provisions of this section shall apply to buildings having occupied floors located more than 55 feet (22 860 16 764 mm) above the lowest level of fire department vehicle access (6) Section 403.1, exception #3: change to read as follows: 3 Buildings with an occupancy in Group A-5 in accordance with Section 303 1 when used for open air seating, however, this exception does not apply to accessory uses including but not limited to sky boxes, restaurants and similarly enclosed areas (7) Section 403.2, exception #2, delete. (8)Section 406.6.1; add a second paragraph to read as follows. Page 2 This occupancy shall include garages involved in servicing of motor vehicles for items such as lube changes, inspections, windshield repair or replacement, shocks, minor part replacement and other such non -major repair When the repair garage is only involved in such Minor repair, it need not comply with Section 406 6 2 (9) Section 506.2.2; add a sentence to read as follows In order to be considered as accessible, if not in direct contact with a street or fire lane, a minimum 10-foot wide pathway from the street or approved fire lane must be provided (See International Fire Code Section 5031 1 for hose lay measurement pathway requirements ) (10) Section 705.11; change the exception to read as follows Exception: For other than hazardous exhaust ducts, penetrations by ducts and air transfer openings of fire walls that are not on the lot line shall be allowed provided the penetrations comply with Sections 711 and 715 The size and aggregate width of all openings shall not exceed the limitations of Section 705 8 (11) Section 715.5.2, add exception #4 to read as follows 4 In the duct penetration of the separation between the private garage and its residence when constructed in accordance with Section 302 3 3, exceptions #2 and 3 (12) Section 901.3. Amend Amend Building Official to read Fire Marshal or his representative (13) Section 901.5• Amend. Amend Building Official to read Fire Marshal or his representative (14) Section 9016.3 Amend Amend Building Official to read Fire Marshal or his representative (15) Sections 902 — 908 & Section 910 shall conform to the requirements of the 2000 International Fire Code. (16) Section 1005.2.1, change to read as follows 1005.2.1 Minimum number of exits. Every floor area shall be provided with the minimum number of approved independent exits as required by Table 1005 2 1 based on the occupant load, except as modified in Section 1004 2 1 or 1005 2 2 For the purposes of this chapter, occupied roofs shall be provided with exits as required for floors The required number of exits from any story, basement or individual space shall be maintained until arrival at grade or the public way (17) Section 1101.2; add an exception to read as follows. Exception: Buildings regulated under State Law and built in accordance with State certified plans, including any variances or waivers granted by the State, shall be deemed to be in compliance with the requirements of this Chapter (18) Section 1108 2.1; change to read as follows Page 3 1108.2.1 Unisex toilet and bathing rooms. In assembly and mercantile occupancies, an accessible unisex toilet room shall be provided where an aggregate of six or more male and or, female water closets are required provided In buildings of mixed occupancy, only those water closets required for the assembly or mercantile occupancy shall be used to determine the unisex toilet room requirement In recreational facilities where separate -sex bathing rooms are provided, an accessible unisex bathing room shall be provided Fixtures located within unisex toilet and bathing rooms shall be included in determining the number of fixtures provided in an occupancy (19) Section 1209 2, exception #2; change to read as follows• 2 Toilet rooms that are not accessible to the public and which have not more than one water closet, provided that walls around urinals comply with the minimum surrounding material specified by Section 419 3 of the International Plumbing Code (20) Section 1403.3; change to read as follows 1403.3 Vapor retarder An approved interior noncorrodible vapor retarder shall be provided In all framed walls, floors and roof/ceilings comprising elements of the building thermal envelope, a vapor retarder, when installed, shall be installed in a manner so as to not trap moisture Vapor retarders shall be tested in accordance with ASTM E 96 (Delete all exceptions) (21) Table 1505.1; replace footnotes b and c with the following. b All individual replacement shingles or shakes shall be in compliance with the rating required by this table c Non -classified roof coverings shall be permitted on buildings of U occupancies having not more than 120 sq ft of projected roof area When exceeding 120 sq ft of projected roof area, buildings of U occupancies may use non -rated non-combustible roof coverings d Untreated or fire -retardant treated wood shingles or shakes shall be prohibited Exception The roof covering on existing dwellings and structures with wood shingles or shakes may be repaired with factory treated fire -retardant wood shingles or shakes or additions to these structures may be made with factory treated fire- retardant wood shingles or shakes (22) Section 1505.7, delete (23) Add Section 2308 2.3 to read as follows: 2308.2.3 Application to engineered design. When accepted by the code official, any portion of this section is permitted to apply to buildings that are otherwise outside the limitations of this section provided that 1 The resulting design will comply with the requirements specified in Chapter 16, 2 The load limitations of various elements of this section are not exceeded, and 3 The portions of this section which will apply are identified by an engineer in the construction documents (24) Section 29011; add a sentence to read as follows• Page 4 The provisions of this Chapter are meant to work in coordination with the provisions of Chapter 4 of the International Plumbing Code Should any conflicts anse between the two chapters, the Code Official shall determine which provision applies (25) Section 29021, change to read as follows 2902.1 Minimum number of fixtures. Plumbing fixtures shall be provided for the type of occupancy and in the minimum number as follows 1 Assembly Occupancies At least one drinking fountain shall be provided at each floor level in an approved location Exception- A drinking fountain need not be provided in a drinking or dining establishment 2 Groups A, B, F, H, I, M and S Occupancies Buildings or portions thereof where persons are employed shall be provided with at least one water closet for each sex except as provided for in Section 2902 2 3 Group E Occupancies Shall be provided with fixtures as shown in Table 2902 1 4 Group R Occupancies Shall be provided with fixtures as shown in Table 2902 1 It is recommended, but not required, that the minimum number of fixtures provided also comply with the number shown in Table 2902 1 Types of occupancies not shown in Table 2902 1 shall be considered individually by the building code official The number of occupants shall be determined by this code Occupancy classification shall be determined in accordance with Chapter 3 2902 11 Finish material. Finish materials shall comply with Section 1209 2902.2 Unisex toilet and bath fixtures. Fixtures located within unisex toilet and bathing rooms complying with Chapter 11 is permitted to be included in determining the minimum required number of fixtures for assembly and mercantile occupancies Section 28-34. Deletion and Amendments is added to read The following sections of the residential code adopted by section 28-32 are amended to read as follows (1) R102 4 Referenced codes and standards The codes, when specifically adopted, and standards referenced in this code shall be considered part of the requirements of this code to the prescribed extent of each such reference Whenever amendments have been adopted to the referenced codes and standards, each reference to said code and standard shall be considered to reference the amendments as well Any reference made to NFPA 70 or the ICC Electrical Code shall mean the Electrical Code as adopted Where differences occur between provisions of this code and referenced codes and standards, the provisions of this code shall apply Exception. Where enforcement of a code provision would violate the conditions of the listing of the equipment or appliance, the conditions of the listing and manufacturer's instructions shall apply (2) Section R105.2, item #1 and #2, change as follows Page 5 I One-story detached accessory structures, provided the floor area does not exceed 120 square feet (18 58 11 15 in 2) 2 Delete (3) Section R109.1.3; change to read as follows R109.1.3 Floodplam inspections. For construction permitted in areas prone to flooding as established by Table R301 2(1), upon placement of the lowest floor, including basement, and prior to further vertical construction, the building official may shall require submission of a certification, prepared by a registered professional engineer or land surveyor, of the lowest floor, including basement, required in Section R327 (4) Section R110 (RI101 through R110 4); delete (5) Section R112 2.2, delete (6) Section R202, change definition of "Townhouse" to read as follows TOWNHOUSE. A single-family dwelling unit constructed in a group of three or more attached units separated by property Imes in which each unit extends from foundation to roof and with open space on at least two sides (7) Table R301.2(1); fill in as follows Roof Snow Load Wind Seismic Design Category Speed MPH 5lb/ft sq 90 (3-sec-gust) 75 fastest mile A Subi ect to dama e Winter Design Flood Hazards Weathering Frost line Termite I Decay depth Temp Moderate 6" Very Slight to 22 degrees Local code heavy moderate F (8) SectionR302.1; add a second exception as follows Exceptions- 1 Tool and storage sheds, playhouses and similar structures exempted from permits by Section R105 2 are not required to provide wall protection based on location on the lot Projections beyond the exterior wall shall not extend over the lot line 2 Open metal carport structures may be constructed within zero (0) feet of the property line without fire -resistive or opening protection when the location of such is approved as required by other adopted ordinances (9) Section R303.3, exception, change to read as follows Exception: The glazed areas shall not be required where artificial light and a mechanical ventilation system, complying with one of the following, are provided Page 6 I The minimum ventilation rates shall be 50 cfin (23 6 L/s) for intermittent ventilation or 20 cfin (9 4 L/s) for continuous ventilation Ventilation air from the space shall be exhausted directly to the outside 2 Bathrooms that contain only a water closet, lavatory or combination thereof may be ventilated with an approved mechanical recirculating fan or similar device designed to remove odors from the air (10) Section R303.6, change to read as follows. R303.6 Required heating. When the winter design temperature in Table R301 2(1) is below 60 degrees F(16 degrees Q, every dwelling unit shall be provided with heating facilities capable of maintaining a minimum room temperature of 68 degrees F (20 degrees Q at a point 3 feet (914 mm) above the floor and 2 feet (610 mm)from exterior walls in all habitable rooms at the design temperature (11) Section R314.8, change to read as follows R314.8 Under stair protection. Enclosed accessible space under stairs shall have walls, under stair surface and any soffits protected on the enclosed side with 5/8-inch (15 8 mm) fire -rated (12 7 mm) gypsum board or one -hour fire -resistive construction (12) Section R321.1; add a second exception to read as follows Exceptions- 1 (Existing exception unchanged) 2 Two-family dwelling units that are also divided by a property line through the structure shall be separated as required for townhouses (13) Section R322.1, change to read as follows• R32i1 Moisture control. In all framed walls, floors and roof/ceilings comprising elements of the building thermal envelope, a vapor retarder, when installed, shall be installed in a manner so as to not trap moisture on the warm-m-winter side of the insulation (Delete the exceptions) (14) Section R327.1; change to read as follows R327,1 General. All buildings and structures, when permitted to be erected in areas prone to flooding as identified in Table R301 2(1) and classified as either flood hazard areas � (including V-Zones), shall be constructed and elevated as required by the provisions contained in this section or by other local provisions as applicable (1 S) Section R328, added to read as follows R328 All Occupancies. An automatic sprinkler system shall be installed throughout all buildings 7,500 sq ft or larger For the purpose of this provision, fire walls shall not define separate buildings (16) Section R703.7 41; add a second paragraph to read as follows Page 7 For 31/a square feet (0 302 in 2 ) of wall area, the following dimensions shall be adhered to 1 When ties are placed on studs 16" o c , they shall be spaced no further apart than 29" vertically starting approximately 15" from the foundation 2 When ties are placed on studs 24" o c , they shall be spaced no further apart than 19" vertically starting approximately 10" from the foundation (17) Section R703.7.4.2, add a second paragraph to read as follows: When using ties that will flex when pushed, spot bedding of cement mortar shall be installed on all ties (18) Add Section R902.3 to read as follows R902.3 Minimum Roof Class. All roof coverings shall be a minimum Class C All individual replacement shingles or shakes shall be a minimum Class C Exception: Non -classified roof coverings shall be permitted on buildings of U occupancies having not more than 120 sq ft of projected roof area When exceeding 120 sq ft of projected roof area, buildings of U occupancies may use non -rated non- combustible coverings (19) Section R9071; add a sentence to read as follows All individual replacement shingles or shakes shall comply with Section R902 3 (20) Section R1005 2, changed to read as follows R100$.2 Exterior air intake The exterior air intake shall be capable of providing all combustion air from the exterior of the dwelling or from spaces within the dwelling ventilated with outside air such as crawl or attic spaces The exterior air intake shall not be located within the garage or basement of the dwelling nor shall the air intake be located at an elevation higher than the firebox The exterior air intake shall be covered with a corrosion -resistant screen of 1/4 —inch mesh (21) Section N1101.2, amend as follows: N1101.2.1 Residential Buildings, Type A-1 Compliance shall be demonstrated by either one of the following 1 Meeting the requirements of this chapter for buildings with a glazing area that does not exceed 15 percent of the gross area of exterior walls, or 2 Meeting the requirements of this chapter for buildings with a glazing area that is greater than 15 percent but not exceeding 20 percent of the gross area of exterior walls and air conditioning equipment rated 12 SEER or higher, 3 Meeting the requirements of this chapter for buildings with a glazing area that is greater than 20 percent but not exceeding 25 percent of the gross area of exterior walls and air conditioning equipment rated 14 SEER or higher, or 4 Meeting the requirements of the International Energy Conservation Code for residential buildings, Type A-1 (22) Add Section N1101.3.4 to read as follows Page 8 N1101.3.4 Exterior basement or slab insulation When susceptibility to termite damage is classified as "very heavy" according to Table R301 2(1), designs employing basement or slab exterior insulation capable of harboring termites shall not be utilized (23) Section N11021 amend as follows: N1102.1 Thermal performance criteria The minimum required insulation R-value or maximum required U-factor for each element in the building thermal envelope (fenestration, roof/ceiling, opaque wall, floor, slab edge, crawl space wall and basement wall) shall be in accordance with the criteria in Table N101 4 2 5 of the International Energy Conservation Code Residential building, Type A-1, with greater than 15-percent glazing area, residential buildings, Type A-2, with greater than 25-percent glazing area, and any building in climates with HDD equal to or greater than 13,000, shall determine compliance using the building envelope requirements of the International Energy Conservation Code (24) Replace Table NI1021 with: TABLE N1102.1 SIMPLIFIED PRESCRIPTIVE BUILDING ENVELOPE THERMAL COMPONENT CRITERIA MINIMUM REQUIRED THERMAL PERFORMANCE (U-FACTOR AND R- VALUE) Maximum MINIMUM INSULATION R-VALUE ((HR-FT SQ) Glazing DEGREES F/Btu U-Factor Ceilings Rafter Walls Floors Basement Slab Crawl (Btu/(hr*ft sq. * open to Assembly Walls Perimeter Space degrees F)) Attic Walls Space 65 R-38 R-22 R-13 I R-19 R-0 R-0 R-0 (25) Section N1102.2 amend as follows N1102.2 Maximum solar heat gam coefficient for fenestration products The area - weighted -average solar heat gam coefficient (SHGC) for glazed fenestration installed in climate zones 1 and 2 (to a maximum of with less than 3,500 HDD) shall not exceed 040 (26) Add Section M1304 2 to read as follows• M1304.2 Minimum burial depth. Underground fuel piping systems shall be installed a minimum depth of 18 inches (458 mm) below grade (27) Section M130513, change to read as follows• M1305.1.3 Appliances in attics. Attics containing appliances requiring access shall be provided with an opening and a clear and unobstructed passageway large enough to allow removal of the largest appliance, but not less than 30 inches high and 22 inches wide and not more than 20 feet in length when measured along the centerline of the passageway from the opening to the appliance The passageway shall have a continuous solid flooring in accordance with Chapter 5 not less than 24 inches wide A level service space at least 30 inches deep and 30 inches wide shall be present along all sides of the appliance where Page 9 access is required The clear access opening dimensions shall be a minimum of 20 inches by 30 inches (508 mm by 762 mm), or larger where such dimensions are not large enough to allow removal of the largest appliance As a minimum, access to the attic space shall be provided by one of the following 1 A permanent stair 2 A pull down stair 3 An access door from an upper floor level Exception: The passageway and level service space are not required where the appliance is capable of being serviced and removed through the required opening (28) Add Section M1305.1 5, M1305 151 to read as follows M1305.1.5 Water heaters above ground or floor When the mezzanine or platform in which a water heater is installed is more than eight (8) feet (2438 mm) above the ground or floor level, it shall be made accessible by a stairway or permanent ladder fastened to the building (29) M1305.1.51 Whenever the mezzanine or platform is not adequately lighted or access to a receptacle outlet is not obtainable from the main level, lighting and a receptacle outlet shall be provided in accordance with Section M1305 13 1 (30) Section M1305.131, add a sentence to read as follows: Low voltage wiring of 50 Volts or less shall be installed in a manner to prevent physical damage (31) Section M13051.4.1, change to read as follows M1305.1.4.1 Ground clearance. Appliances supported from the ground shall be level and firmly supported on a concrete slab or other approved material extending above the adjoining grade a mimmum of 3 inches (76 mm) Appliances suspended from the floor shall have a clearance of not less than 6 inches (152 mm) above the ground (32) Section M1305.1.4.3; add a sentence to read as follows Low voltage wiring of 50 Volts or less shall be installed in a manner to prevent physical damage (33) Section M1307 3. 1, delete. (34) Section M1501.2; change to read as follows M1501.2 Exhaust duct size. The minimum diameter of the exhaust duct shall be as recommended by the manufacturer, and shall be at least the diameter of the appliance outlet and shall be a mimmum nominal size of 4 inches (102 mm) in diameter The size of duct shall not be reduced along its developed length nor at the point of termination (35) Section M1501.3; change to read as follows M1501.3 Length limitation. The maximum length of a clothes dryer exhaust duct shall not exceed 25 feet (7620 min) from the dryer location to the wall or roof termination with not more than two bends When extra bends are installed, the maximum length of the Page 10 duct shall be reduced 2 5 feet (762 mm) for each 45-degree (0 79 rad) bend and 5 feet (1524 mm) for each 90-degree (1 6 rad) bend that occur after the first two bends, measuring in the direction of airflow The maximum length of the exhaust duct does not include the transition duct (36)Section M16013.4, item #1; change to read as follows 1 Duct insulation shall conform to the requirements of Table M1601 3 4 and Section N1101 2 Should there be any conflicts between this section and the energy efficiency provisions, the energy efficiency provisions shall take precedence A vapor retarder in accordance with Table M1601 3 4 having a maximum permeance of 0 05 perm [2 87 ng/(s in 2 Pa)] in accordance with ASTM E 96, or aluminum foil having a minimum thickness of 2 mils (0 051 mm), shall be installed on the exterior of insulation on cooling supply ducts that pass through nonconditioned spaces conducive to condensation Insulations having a permeance of 0 05 perms [2 87 ng/(Pa s in 2 )] or less shall not be required to be covered Page 11 (37) Add Table M1601.3.4 to read as follows Duct Location Insulation Types Heating Insulation Types Mechanically Zone Heating only Cooled On roof on exterior of building C,V (2) W I A & W II B&W III C & W Attics, garages & crawl spaces A & V (2) I A II A III B In walls (3), within floor ceiling A & V (2) I A spaces (3) II A III B Within conditioned space or in None Required None Required basements, return ducts in air plenums Cement slab or within ground None Required None Required Note: Where ducts are used for both heating and cooling, the minimum insulation shall be as required for the most restnctive condition 1 Heating Degree Days Zone I below 4,500 D D Zone II 4,501 to 8,000 D D Zone III over 8,000 D D 2 Vapor retarders shall be installed on supply ducts in spaces vented to the outside in geographic areas where the summer dew point temperature based on the 2 '/2 percent column of dry-bulb and mean coincident wet -bulb temperature exceeds 60 0 F (15 4 0 C) 3 Insulation may be omitted on that portion of a duct which is located within a wall- or a floor-peiling space where 3 1 Both sides of the space are exposed to conditioned air 3 2 The space is not ventilated 3 3 The space is not used as a return plenum 3 4 The space is not exposed to unconditioned air Ceilings which form plenums need not be insulated INSULATION TYPES 4 A -- A material with an installed conductance of 0 48 [2 72 W/(m*K)] or the equivalent thermal resistance of 2 1 [0 367 (m*K)/W] Example of materials capable of meeting the above requirements I -inch (25 mm), 0 60 lb /cu ft (9 6 kg/m 3 ) mineral fiber, rock, slag or glass blankets Page 12 '/Z-inch (13 mm), 15 to 3 lb /cu ft (24 to 48 kg/m 3 ) mineral fiber blanket duct liner '/2-inch (13 mm), 3 to 10 lb /cu ft (48 to 160 kg/m 3 ) mineral fiber board B -- A material with an installed conductance of 0 24 [1 36 W/(m*K)] or the equivalent thermal resistance of 4 2 [0 735 (m*K)/W] Example of materials capable of meeting the above requirements 2-inch (51 mm), 0 60 lb /cu ft (9 6 kg/m 3 ) mineral fiber blankets 1-inch (25 mm), 15 to 3 lb /on ft (24 to 48 kg/m 3 ) mineral fiber blanket duct liner 1-inch (25 mm), 3 to 10 lb /cu ft (48 to 160 kg/m 3 ) mineral fiber board C -- A material with an installed conductance of 0 16 [0 9 W/(m*K)] or the equivalent thermal resistance of 6 3 [1 1 (m*K)/W] Example of materials capable of meeting the above requirements 3-inch (76 mm), 0 60 lb /cu ft (9 6 kg/m 3 ) mineral fiber blankets 1 '/x-inch (38 mm), 15 to 3 lb /cu ft (24 to 48 kg/m 3 ) mineral fiber blanket duct liner 1 '/z-inch (38 mm), 3 to 10 lb /cu ft (48 to 160 kg/m 3 ) mineral fiber board V --Vapor Retarders Material with a perm rating not exceeding 0 05 perm [29 ng/Pa*s*m 2 ] All joints to be sealed W - Approved weatherproof barrier 4 The example of materials listed under each type is not meant to limit other available thickness and density combinations with the equivalent installed conductance or resistance based on the insulation only (38) Section M2005 2, change to read as follows M2005.2 Prohibited locations. Fuel -fired water heaters shall not be installed in a room used as a storage closet Water heaters located in a bedroom or bathroom shall be installed in a sealed enclosure so that combustion air will not be taken from the living space Access to such enclosure may be from the bedroom or bathroom when through a solid door, weather-stripped in accordance with the exterior door air leakage requirements of the International Energy Conservation Code and equipped with an approved self -closing device Direct -vent water heaters are not required to be installed within an enclosure (39) Section G2403, amend definition of "Unvented Room Heater" to add a sentence to read as follows. For the purpose of installation, this definition shall also include "Unvented Decorative Appliances " (40) Section G2407.15, item #1, change the exception to read as follows. Exception: Unobstructed stud and joist spaces within dwelling units shall not be prohibited from conveying combustion air, provided that not more than one required fireblock is removed (41) Section G2408.3, delete Page 13 (42) Section G2411.5, add a second paragraph to read as follows. Both ends of each section of medium pressure corrugated stainless steel tubing (CSST) shall identify its operating gas pressure with an approved tag The tags are to be composed of aluminum or stainless steel and the following wording shall be stamped into the tag "WARNING 1/2 to 5 psi gas pressure Do Not Remove" (43) Section G2412.3; add an exception to read as follows Exception: Corrugated stainless steel tubing (CSST) shall be a minimum of 1/2" (44) Section G2414.6, change to read as follows G2424.6 (404.6) Piping in solid floors. Piping in solid floors shall be laid in channels in the floor and covered in a manner what will allow access to the piping with a minimum amount of damage to the building Where such piping is subject to exposure to excessive moisture or corrosive substances, the piping shall be protected in an approved manner As an alternative to installation in channels, the piping shall be installed in accordance with Section G2414 11 (404 11) a casing of schedule 40 steel, wrought iron, PVC or ABS pipe with tightly sealed ends and joints Both ends of such casing shall extend not less than 2 inches (51 mm) beyond the point where the pipe emerges from the floor (45) Section G2414 9; change to read as follows. G2414.9 (404.9) Minimum burial depth Underground piping systems shall be installed a minimum depth of 12 18 inches (305 458 mm) below grade, except as provided for in Section G2414 9 1 (46) Section G2414 91, delete (47) Section G2416 4; add a sentence to read as follows The equipment used shall be of an appropriate scale such that pressure loss can be easily determined (48) Section G2416 41, change to read as follows G2416 4.1 (406 4 1) Test pressure The test pressure to be used shall be not less than one and one-half times the proposed maximum working pressure, but not less than 3 10 psig (20 68 9 kPa gauge), or at the discretion of the Code Official, the piping and valves may be tested at a pressure of at least six (6) inches (152 mm) of mercury, measured with a manometer or slope gauge irrespective of design pressure Where the test pressure exceeds 125 psig (862 kPa gauge), the test pressure shall not exceed a value that produces a hoop stress in the piping greater than 50 percent of the specified minimum yield strength of the pipe For welded piping, and for piping carrying gas at pressures in excess of fourteen (14) inches water column pressure (3 48 kPa), the test pressure shall not be less than sixty (60) pounds per square inch (413 4 kPa) (49) Section G2416.4 2; change to read as follows. G2416 4.2 (406 4.2) Test duration. Test duration shall be held for a length of time satisfactory to the Code Official, but in no case for less than fifteen (15) minutes For Page 14 welded piping, and for piping carrying gas at pressures in excess of fourteen (14) inches water column pressure (3 48 kPa), the test duration shall be held for a length of time satisfactory to the Code Official, but in no case for less than thirty (30) minutes (50) Add Section G2419.1.4 to read as follows. G2419.1.4 Valves in CSST installations. Shutoff valves installed with corrugated stainless steel (CSST) piping systems shall be supported with an approved termination fitting, or equivalent support, suitable for the size of the valves, of adequate strength and quality, and located at intervals so as to prevent or damp out excessive vibration but in no case greater than 12-inches from the center of the valve Supports shall be installed so as not to interfere with the free expansion and contraction of the system's piping, fittings, and valves between anchors All valves and supports shall be designed and installed so they will not be disengaged by movement of the supporting piping (51) Section G2420.1; add a second paragraph and exception to read as follows: Access to regulators shall comply with the requirements for access to appliances as specified in Section M1305 Exception: A passageway or level service space is not required when the regulator is capable of being serviced and removed through the required attic opening (52) Section G2437 5, add a sentence to read as follows The size of duct shall not be reduced along its developed length nor at the point of termination (53) Section G2437.5.1; change to read as follows• G2437.5.1 (613.6.1) Maximum length. The maximum length of a clothes dryer exhaust duct shall not exceed 25 feet (7620 nun) from the dryer location to the outlet terminal with not more than two bends When extra bends are installed, the maximum length of the duct shall be reduced 2 1/2 feet (762 mm) for each 45-degree (0 79 rad) bend and 5 feet (1524 min) for each 90-degree (1 6 rad) bend that occur after the first two bends, measuring in the direction of airflow (Exception is unchanged) (54) Section G2443.2, change to read as follows G2443.2 (620.2) Prohibited use. One or more unvented room heaters shall not be used as the sole source of comfort heating in a dwelling unit Exception Existing approved unvented heaters may continue to be used in dwelling units, in accordance with the code provisions in effect when installed, when approved by the Code Official unless an unsafe condition is determined to exist as described in International Fuel Gas Code Section 108 7 (55) Section G2446.1.1; change to read as follows. G2446.1.1 (623.1.1) Installation requirements. The requirements for water heaters relative to access, sizing, relief valves, dram pans and scald protection shall be in accordance with tlus code access ) Page 15 (56) Section P2503.5.1, item 1, add a second paragraph to read as follows Shower receptors shall be tested for water tightness by filling with water to the level of the rough threshold The dram shall be plugged in a manner so that both sides of pans shall be subjected to the test at the point where it is clamped to the drain (57) Section P2503.7 2; change to read as follows P2503.7.2 Testing. Reduced pressure principle backflow preventers, double check assemblies, double -detector check valve assemblies, and pressure vacuum breaker assemblies shall be tested at the time of installation, immediately after repairs or relocation and at regular intervals as required by applicable state or local provisions least annually (58) Add Section P2603.6.1 to read as follows. P2603.6.1 Sewer depth. Building sewers shall be a minimum of 12 inches (304 mm) below grade (59) Section P27081, change to read as follows P2708.1 General. Shower compartments shall have at least 900 square inches of floor area and be sufficient size to inscribe a circle with a diameter not less than 30 inches Hinged shower doors shall open outward The wall area above built-in tubs having installed shower heads and in -shower compartments shall be constructed as per Section R307 2 R702 4 Such walls shall form a water -tight joint with each other and with either the tub, receptor or shower floor (60) Section P2708.1; add a sentence to read as follows Thresholds shall be of sufficient width to accommodate a minimum twenty-two (22) inch (559 min) door (61) Section P2709.1; add an exception to read as follows Exception: Showers designed to comply with ICC/ANSI A117 1 (62) Section P2710.1, change to read as follows P2710.1 Finished. Shower walls shall be finished in accordance with Section R307 2 R702 4 (63) Section P2803.6.1; change to read as follows: P2803.6.1 Requirements for discharge The outlet of a pressure relief valve, temperature relief valve or combination thereof, shall not be directly connected to the drainage system The discharge from the relief valve shall be piped full size separately to the outside of the building or to an indirect waste receptor located inside the building In areas subject to freezing, the relief valve shall discharge through an air gap into an indirect waste receptor located within a heated space, or by other approved means The discharge pipe shall not discharge into the pan required in Section P2801 5 The discharge shall be installed in a manner that does not cause personal injury or property damage and that is readily observable by the building occupants The discharge from a relief valve shall not be trapped The diameter of the discharge piping shall not be less Page 16 than the diameter of the relief valve outlet The discharge pipe shall be installed so as to drain by gravity flow and shall terminate atmospherically not more than 6 inches (152 mm) above the floor When discharging outside the building, the point of discharge shall be with the end of the pipe not more than two (2) feet (610 mm) nor less than six (6) inches (152 mm) above the ground or the floor level of the area receiving the discharge and pointing downward The end of the discharge pipe shall not be threaded (64) Table P2904 4.1; delete "Polybutylene (PB) plastic pipe and tubing". (65) Sections P2904.5, 2904 5.1 and 290412, delete reference to "PB "plasticpipe (66) Section P3005.2.6, changed to read as follows P3005.2.6 Upper terminal Base of stacks Each horizontal drain shall be provided with a cleanout at its upper terminal Accessible cleanouts shall be provided near the base of each vertical waste or soil stack Alternatively, such cleanouts may be installed outside the building within 3 feet (914 mm) of the building wall Exception: Cleanouts may be omitted on a horizontal drain less that five (5) feet (1524 mm) in length unless such line is serving sinks or urinals (67) Section P3103.1; changed to read as follows P3103.1 Roof extension All open vent pipes which extend through a roof shall be terminated at least six (6) inches (152 mm) above the roof or [number] inches above the anticipated snow accumulation, except that where a roof is to be used for any purpose other than weather protection, the vent extensions shall be run at least 7 feet above the roof (68) Sections P3105 2 and P3105.3 and Figure P3105 3, delete (69) Section P3111.1, change to read as follows P3111.1 Type of fixture A combination waste and vent system shall not serve fixtures other than floor drains, standpipes, sinks and lavatories indirect waste receptors Combination dram and vent systems shall not receive the discharge of a food waste grinder (70) Section P3111.2; change to read as follows P3111.2 Installation The only vertical pipe of a combination drain and vent system shall be the connection between the fixture dram of a sink, lavatory or standpipe, and the horizontal combination waste and vent pipe The maximum vertical distance shall be 36 inches 8 feet (914 2438 mm) (71) Section E3301 1; add a sentence to read as follows: All references to NFPA 70 shall mean the Electrical Code as adopted (72) Section E3306 3; change to read as follows: E3306.3 Minimum size of conductors. The minimum size of conductors for feeders and branch circuits shall be No 14 copper and No 12 aluminum The minimum size of Page 17 service conductors shall be as specified in Chapter 35 The minimum size of class 2 remote, signaling and power -limited circuits conductors shall be as specified in Chapter 42 (73) Section E3306.6, change to read as follows E3306.6 Conductors in parallel. Circuit conductors that are electrically joined at each end to form a single conductor shall be limited to sizes No 1/0 and larger Conductors in parallel shall be of the same length, same conductor material, same circular mil area and same insulation Conductors in parallel shall be terminated in the same manner Where run in separate raceways or cables, the raceway or cable shall have the same physical characteristics (74) Section E3802.8; change to read as follows. E3802.8 Exempt receptacles. Receptacles installed under exceptions to Sections E3802 2 and E3802 4 E3802 5 shall not be considered as meeting the requirements of Section E3801 10 E3 8019 Section 28-124. Deletion and Amendments is added to read (1) Section 102.2; add an exception to read as follows Exception: Existing dwelling units shall comply with Section 620 2 (2) Section 102.8, change to read as follows. 102.8 Referenced codes and standards The codes and standards referenced herein shall be those that are listed in Chapter 7 and such codes, when specifically adopted, and standards shall be considered part of the requirements of this code to the prescribed extent of each such reference Where differences occur between provisions of this code and the referenced standards, the provisions of this code shall apply Whenever amendments have been adopted to the referenced codes and standards, each reference to said code and standard shall be considered to reference the amendments as well Any reference to NFPA 70 or the ICC Electrical Code shall mean the Electrical Code as adopted (3) Section 202, amend definition of "Unvented Room Heater" to add a sentence to read as follows• For the purpose of installation, this definition shall also include "Unvented Decorative Appliances " (4) Section 302 3, change to read as follows 302 3 Cutting, notching and boring in wood members. When permitted by the International Building Code, the cutting, notching and boring of wood members shall comply with Sections 302 3 1 through 302 3 3 (5) Section 305 4, delete (6) Add Section 305.5 to read asfollows* Page 18 305 5 Clearances from grade. Equipment and appliances installed at grade level shall be supported on a level concrete slab or other approved material extending above adjoining grade a mimmum of 3 inches (76 mm) or shall be suspended a minimum of 6 inches (152 mm) above adjoining grade (7) Section 306 3; change to read as follows. 306 3 Appliances in attics. Attics containing appliances requiring access shall be provided with an opening and unobstructed passageway large enough to allow removal of the largest appliance The passageway shall not be less than 30 inches high and 22 inches wide and not more than 20 feet in length measured along the centerline of the passageway from the opening to the appliance The passageway shall have a continuous solid flooring not less than 24 inches wide A level service space not less than 30 inches deep and 30 inches wide shall be present at the front or service side of the equipment The clear access opening dimensions shall be a minimum of 20 inches by 30 inches (508 mm by 762 mm), or larger where such dimensions are not large enough to allow removal of the largest appliance As a minimum, access to the attic space of residential uses shall be provided by one of the following 1 A permanent stair 2 A pull down stair 3 An access door from an upper floor level Exception- The passageway and level service space are not required where the appliance is capable of being serviced and removed through the required opening (8) Section 306.3.1; add a sentence to read as follows Low voltage wiring of 50 Volts or less shall be installed in a manner to prevent physical damage (9) Section 306.41, add a sentence to read as follows Low voltage wiring of 50 Volts or less shall be installed in a manner to prevent physical damage (10) Section 306 5, change to read as follows: 306.5 Appliances on roofs or elevated structures Where appliances requiring access are installed on roofs or elevated structures at a height exceeding 16 feet (4877 mm), such access shall be provided by a permanent approved means of access the extent of which shall be from Permanent exterior ladders providing roof access need not extend closer than 8 feet (2438 mm) to the finish grade or floor level below and shall extend to the appliance's level service space Such access shall not require climbing over obstructions greater than 30 inches high or walking on roofs having a slope greater than 4 units vertical in 12 umts horizontal (33-percent slope) (11) Add Section 306 5.1.1 to read as follows: 306.5.1.1 Catwalk. On roofs having slopes greater than 4 units vertical in 12 units horizontal, a catwalk at least 16 inches in width with substantial cleats spaced not more than 16 inches apart shall be provided from the roof access to the working platform at the appliance Page 19 (12) Section 306.5.2; add a sentence to read as follows: Low voltage wrong of 50 Volts or less shall be installed in a manner to prevent physical damage (13) Add Section 306.7 to read as follows. 306 7 Water heaters above ground or floor. When the attic, roof, mezzanine or platform in which a water heater is installed is more than eight (8) feet (2438 mm) above the ground or floor level, it shall be made accessible by a stairway or permanent ladder fastened to the building 306.7.1. Whenever the mezzanine or platform is not adequately lighted or access to a receptacle outlet is not obtainable from the main level, lighting and a receptacle outlet shall be provided in accordance with Section 306 3 1 (14) Section 4015, add a second paragraph to read as follows• Both ends of each section of medium pressure corrugated stainless steel tubing (CSST) shall identify its operating gas pressure with an approved tag The tags are to be composed of aluminum or stainless steel and the following wording shall be stamped into the tag "WARNING 1/2 to 5 psi gas pressure Do Not Remove" (15) Section 402.3; add an exception to read as follows Exception. Corrugated stainless steel tubing (CSST) shall be a minimum of 1/2" (16) Section 404.6, change to read as follows 404.6 iPiping in solid floors. Piping in solid floors shall be laid in channels in the floor and covered in a manner that will allow access to the piping with a minimum amount of damage to the building Where such piping is subject to exposure to excessive moisture or corrosive substances, the piping shall be protected in an approved manner As an alternative to installation in channels, the piping shall be installed in accordance with Section 404 11 a casing of schedule 40 steel, wrought iron, PVC or ABS pipe with tightly sealed ends and joints Both ends of such casing shall extend not less than 2 inches (51 mm) beyond the point where the pipe emerges from the floor (17) Section 404.9, change to read as follows: 404 9 Minimum burial depth. Underground piping systems shall be installed a minimum depth of 18 inches (305 458 mm) below grade, except as provided for in Section 404 9 1 (18) Section 404.9.1; delete (19) Section 406.4, add a sentence to read as follows The equipment used shall be of an appropriate scale such that pressure loss can be easily determined (20) Section 406.4.1; change to read as follows Page 20 406.4.1 Test pressure The test pressure to be used shall be not less than 1 1/2 times the proposed maximum working pressure, but not less than 10 psig (20 68 9 kPa gauge), or at the discretion of the Code Official, the piping and valves may be tested at a pressure of at least six (6) inches (152 mm) of mercury, measured with a manometer or slope gauge irrespective of design pressure Where the test pressure exceeds 125 psig (862 kPa gauge), the test pressure shall not exceed a value that produces a hoop stress in the piping greater than 50 percent of the specified minimum yield strength of the pipe For welded piping and for piping carrying gas at pressures in excess of fourteen (14) inches water column pressure (3 48 kPa), the test pressure shall not be less than sixty (60) pounds per square inch (413 4 kPa) (21) Section 406.4 2, change to read as follows 406 4.2 Test duration. Test duration shall be held for a length of time satisfactory to the Code Official, but in no case for not less than fifteen (15) minutes For welded piping, and for piping carrying gas at pressures in excess of fourteen (14) inches water column pressure (3 48 kPa), the test duration shall be held for a length of time satisfactory to the Code Official, but in no case for less than thirty (30) minutes 1/2 hour for each 500 cubic feet (14 in 3 ) of pipe volume or fraction thereof When testing a system having a volume less than 10 cubic feet (0 28 in 3) or a system in a single-family dwelling, the test duration shall be permitted to be reduced to 10 minutes For piping systems having a volume of more than 24,000 cubic feet (680 in 3), the duration of the test shall not be required to exceed 24 hours (22) Add Section 409.1.4 to read as follows 409.1.4 Valves in CSST installations Shutoff valves installed with corrugated stainless steel (CSST) piping systems shall be supported with an approved termination fitting, or equivalent support, suitable for the size of the valves, of adequate strength and quality, and located at intervals so as to prevent or damp out excessive vibration but in no case greater than 12-inches from the center of the valve Supports shall be installed so as not to interfere with the free expansion and contraction of the system's piping, fittings, and valves between anchors All valves and supports shall be designed and installed so movement of the supporting piping will not disengage them (23) Section 410.1, add a second paragraph and exception to read as follows: Access to regulators shall comply with the requirements for access to appliances as specified in Section 306 Exception. A passageway or level service space is not required when the regulator is capable of being serviced and removed through the required attic opening (24) Section 613 6, add a sentence to read as follows The size of duct shall not be reduced along its developed length or at the point of termination (25) Section 613.61; change to read as follows 613.6.1 Maximum length The maximum length of a clothes dryer exhaust duct shall not exceed 25 feet (7620 mm) from the dryer location to the outlet terminal with not more Page 21 than two bends When extra bends are installed, the maximum length of the duct shall be reduced 2 5 feet (762 mm) for each 45-degree (0 79 rad) bend and 5 feet (1524 mm) for each 90-degree (1 6 rad) bend that occur after the first two bends, measuring in the direction of airflow (Exception is unchanged) (26) Section 620.2, change to read as follows 620 2 Prohibited use. One or more unvented room heaters shall not be used as the sole source of comfort heating in a dwelling unit Exception. Existing approved unvented heaters may continue to be used in dwelling units, in accordance with the code provisions in effect when installed, when approved by the Code Official unless an unsafe condition is determined to exist as described in Section 108 7 (27) Section 623.11; change to read as follows 623.1.1 Installation requirements. The requirements for water heaters relative to access, sizing, relief valves, drain pans and scald protection shall be in accordance with the International Plumbing Code Section 28-145 Deletions and amendments is amended to read (1) Section 102.8, change to read as follows. 102.8'Referenced codes and standards The codes and standards referenced in this code shall be those that are listed in Chapter 13 and such codes, when specifically adopted, and standards shall be considered part of the requirements of this code to the prescribed extent of each such reference Where the requirements of reference standards or manufacturer's installation instructions do not conform to minimum provisions of this code, the provisions of this code shall apply Whenever amendments have been adopted to the referenced codes and standards, each reference to said code and standard shall be considered to reference the amendments as well Any reference to NFPA 70 or the ICC Electrical Code shall mean the Electrical Code as adopted (2) Section 305.6.1; change to read as follows. 305.6.1 Sewer depth Building sewers that connect to private sewage disposal system shall be a minimum of [number] inches (mm) below finished grade at the point of septic tank connection Building sewers shall be a minimum of 12 inches (304 mm) below grade disposal because a private sewage disposal code is not typically adopted in this region ) (3) Section 305 9, change to read as follows* 305.9 Protection of components of plumbing system Components of a plumbing system installed within 3 feet along alleyways, driveways, parking garages or other locations in a manner in which they would be exposed to damage shall be recessed into the wall or otherwise protected in an approved manner (4) Section 310 4, delete Page 22 (5) Sections HZ91 and 312 9 2; change to read as follows 312 9.1 Inspections. Annual inspections shall be made of all backflow prevention assemblies and air gaps to determine whether they are operable In the absence of local provisions, the owner is responsible to ensure that testing is performed 312.9.2 Testing. Reduced pressure principle backflow preventer assemblies, double check -valve assemblies, double -detector check valve assemblies and pressure vacuum breaker assemblies shall be tested at the time of installation, immediately after repairs or relocation and at least annually The testing procedure shall be performed in accordance with applicable local provisions In the absence of local provisions, the owner is responsible to ensure that testing is done in accordance with one of the following standards ASSE 5010-1013-1, Sections 1 and 2 ASSE 5010-1015-1, Sections I and 2 ASSE 5010-1015-2 ASSE 5010-1015-3, Sections 1 and 2 ASSE 5010-1015-4, Sections I and 2 ASSE 5010-1020-1, Sections 1 and 2 ASSE 5010-1047-1, Sections 1,2,3 &4 ASSE 5010-1048-1, Sections 1,2,3 &4 ASSE 5010-1048-2 ASSE 5010-1047-3, Sections 1,2,3 &4 ASSE 5010-1047-4, Sections 1,2,3 &4 CAN/CSA B6410 (6) Section 314.21, modify second sentence to read as follows 314.2.1 Condensate disposal. Condensate from all cooling coils and evaporators shall be conveyed from the dram pan outlet to an approved place of disposal Condensate shall not discharge in a publicly exposed area such as into a street, alley, sidewalk or other areas so as to cause a nuisance (7) Section 314.2.2; add a second paragraph to read as follows: Condensate waste pipes from air-cooling coils may be sized in accordance with equipment capacity as follows Equipment Capacity in tons of refrigeration Minimum Condensate Pipe Inside Diameter Up to 20 tons 3/4 inch Over 20 to 40 tons 1 inch Over 40 to 90 tons 1 1/4 inch Over 90 to 125 tons 1 '/2 inch Over 125 to 250 tons 2 inch The size of condensate waste pipes may be for one unit or a combination of units, or as Page 23 recommended by the manufacturer The capacity of waste pipes assumes a 1/8-inch-per- foot slope, with the pipe running three-quarters full (8) Section 314.2.3; add item #4 to read as follows 4 Discharge, as noted, shall be to a conspicuous point of disposal to alert occupants in the event of a stoppage of the drain However, the conspicuous point shall not create a hazard such as dripping over a walking surface or other areas so as to create a nuisance (9) Section 4011; add a sentence to read as follows• The provisions of this Chapter are meant to work in coordination with the provisions of the Building Code Should any conflicts anse between the two chapters, the Code Official shall determine which provision applies (10) Section 403.1; change to read as follows• 403 1 Minimum number of fixtures. Plumbing fixtures shall be provided for the type of occupancy and in the minimum number as follows 1 Assembly Occupancies At least one drinking fountain shall be provided at each floor level in an approved location Exception: A drinking fountain need not be provided in a drinking or dining establishment 2 Groups A, B, F, H, I, M and S Occupancies Buildings or portions thereof where persons are employed shall be provided with at least one water closet for each sex except as provided for in Section 403 2 3 Group E Occupancies Shall be provided with fixtures as shown in Table 403 1 4 Group R Occupancies Shall be provided with fixtures as shown in Table 403 1 It is recommended, but not required, that the minimum number of fixtures provided also comply with the number shown in Table 403 1 Types of occupancies not shown in Table 403 1 shall be considered Individually by the code official The number of occupants shall be determined by the International Building Code Occupancy classification shall be determined in accordance with the International Building Code (11) Add Section 403.1.2 to read as follows. 403.1.2 Finish material. Finish materials shall comply with Section 1209 of the International Building Code (12) Section 404.2, change to read as follows: 404.2 Unisex toilet and bathing rooms. In assembly and mercantile occupancies, an accessible unisex toilet room shall be provided where an aggregate of six or more male or female water closets are required provided In buildings of mixed occupancy, only those water closets required for the assembly or mercantile occupancy shall be used to determine the unisex toilet room requirement In recreational facilities where separate -sex bathing rooms are provided, an accessible unisex bathing room shall be provided (13) Section 405 6, delete Page 24 (14) Section 409.2; change to read as follows: 409 2 Water connection. The water supply to a commercial dishwashing machine shall be protected against backflow by an air gap or backflow preventer in accordance with Section 608 (15) Section 4101, change to read as follows: 410.1 Approval. Drinking fountains shall conform to ASME Al12191, ASME A112 19 2 or ASME A112 19 9, and water coolers shall conform to ARI 1010 Where water is served in restaurants or where bottled water coolers are provided in other occupancies, drinking fountains shall not be required Exception- A drinking fountain need not be provided in a drinking or dining establishment (16) Section 412.4; change to read asfollows, 412 4 Required location Public laundries and central washing facilities. Floor drains shall be installed in the following areas 1 In public coin -operated laundries and in the central washing facilities of multiple family dwellings, the rooms containing the automatic clothes washers shall be provided with floor drains located to readily drain the entire floor area Such drains shall have a minimum outlet cross section of not less than 3 inches (76 mm) in diameter 2 Commercial kitchens (In lieu of floor drains in commercial kitchens, the code official may accept floor sinks) (17) Section 413.4, change to read as follows: 413 4 Water supply required. All food waste grinders shall be provided with a supply of cold water The water supply shall be protected against backflow by an air gap or with the installation of a backflow preventer in accordance with Section 608 (18) Section 417.5, change to read as follows. 417.5 Shower floors or receptors. Floor surfaces shall be constructed of impervious, noncorrosive, nonabsorbent and waterproof materials Thresholds shall be a minimum of 2 inches (51 mm) and a maximum of 9 inches (229 mm), measured from top of the dram to top of threshold or dam Thresholds shall be of sufficient width to accommodate a minimum twenty-two (22) inch (559 mm) door Exception: Showers designed to comply with ICC/ANSI Al 17 1 (19) Section 417.5.2; change to read as follows. 417 5,2 Shower lining Floors under shower compartments, except where prefabricated receptors have been provided, shall be lined and made water tight utilizing material complying with Sections 417 5 2 1 through 417 5 2 4 Such liners shall turn up on all sides at least 2 3 inches (51 mm) above the finished threshold level and shall extend outward over the threshold and fastened to the outside of the threshold lamb Liners shall be recessed and fastened to an approved backing so as not to occupy the space required for wall covering, and shall not be nailed or perforated at any point less than 1 inch above the finished threshold Liners shall be pitched one -forth unit vertical in 12 units horizontal (2-percent slope) and shall be sloped towards the fixture drains and be securely Page 25 fastened to the waste outlet at the seepage entrance, making a water -tight joint between the liner and the outlet (20) Add Section 417.7 to read as follows 417 7 Test for shower receptors. Shower receptors shall be tested for water tightness by filling with water to the level of the rough threshold The dram shall be plugged in a manner so that both sides of pans shall be subjected to the test at the point where it is clamped to the drain (21) Section 419.3; change to read as follows• 419.3 Surrounding material. Wall and floor space to a point 2 feet (610 mm) in front of a urinal lip and 4 feet (1219 mm) above the floor and at least 2 feet (610 mm) to each side of the urinal shall be waterproofed with a smooth, readily cleanable, hard, nonabsorbent material (22) Section 502.5, change to read as follows• 502.5 Water heaters installed in attics Attics containing a water heater shall be provided with an opening and unobstructed passageway large enough to allow removal of the water heater The passageway shall not be less than 30 inches high and 22 inches wide and not more than 20 feet in length when measured along the centerline of the passageway from the opening to the water heater The passageway shall have continuous solid flooring not less than 24 inches wide A level service space at least 30 inches deep and 30 inches wide shall be present at the front or service side of the water heater The clear access opening dimensions shall be a minimum of 20 inches by 30 inches (508 mm by 762 mm), or larger where such dimensions are not large enough to allow removal of the water heater (23) Add Section 502.51 to read as follows: 502.5.1 Electrical requirements. A lighting fixture controlled by a switch located at the required passageway opening and a receptacle outlet shall be provided at or near the equipment location in accordance with the electrical code (24) Add Section 502 7 to read as follows 502.7 Water heaters above ground or floor When the attic, roof, mezzanine or platform in which a water heater is installed is more than eight (8) feet (2438 mm) above the ground or floor level, it shall be made accessible by a stairway or permanent ladder fastened to the building 502 7.1 Whenever the mezzanine or platform is not adequately lighted or access to a receptacle outlet is not obtainable from the main level, lighting and a receptacle outlet shall be provided in accordance with Section 502 5 1 (25) Section 504.6.1, change to read as follows 504.6, 1 Discharge. The relief valve shall discharge through full size piping to a safe place of disposal such as the floor drain, outside the building, or an indirect waste receptor The discharge pipe shall not have any trapped sections When the drain pipe run is exposed, in an area outside of the room where the water heater is located, in a manner that would make it subject to damage, the dram and shall have a visible air gap or air gap Page 26 fitting located in the same room as the water heater The discharge shall be installed in a manner that does not cause personal injury to occupants in the immediate area or structural damage to the building The end of the discharge pipe shall not be threaded The discharge pipe shall not discharge into the pan required in Section 504 7 When discharging outside the building, the point of discharge shall be with the end of the pipe not more than two (2) feet (610 mm) nor less than six (6) inches (152 mm) above the ground or the floor level of the area receiving the discharge and pointing downward (26) Section 505.1; change to read as follows: 505.1 Unillred vessel insulation. Unfired hot water storage tanks shall be insulated so that heat loss is limited as specified in Section 504, International Energy Conservation Code {Delete remainder of section) (27) Add Section 506, 506.1 to read as follows SECTION 506 COMBUSTION AIR AND VENTILATION 506.1. Combustion air and ventilation. Combustion air and ventilation for fuel burning water heaters, other than gas -fired, shall be in accordance with the International Mechanical Code Combustion air and ventilation for gas -fired water heaters shall be in accordance with the International Fuel Gas Code (28) Add Section 604 41 to read asfollows* 604 4.1 State maximum flow rate. Where the State mandated maximum flow rate is more restrictive than those of this section, the State flow rate shall take precedence (29) Tables 605.4 and 605 5, delete "Polybutylene (PB) plastic pipe and tubing" (30) Section 606.1; delete items #4, 5 and 6 (31) Section 606.2; items #1 and 2 changes to read as follows 1 On the fixture supply to each plumbing fixture in other than one- and two-family and multiple family residential occupancies, and other than in individual guestrooms that are provided with unit shutoff valves in hotels, motels, boarding houses and similar occupancies Exception: Tub and shower valves 2 On the water supply pipe to each sillcock when subject to freezing (Reason To provide shut-off valves to every fixture) (32) Section 6072.1; change to read as follows 607.2.1 Piping insulation. Piping in required return circulation systems shall be insulated as required in Section 504, International Energy Conservation Code (Delete remainder of section) (33) Section 608.1; change to read as follows• 6081 General. A potable water supply system shall be designed, installed and maintained in such a manner so as to prevent contamination from nonpotable liquids, solids or gases being introduced into the potable water supply through cross -connections Page 27 or any other piping connections to the system Back flow preventer applications shall conform to applicable local regulations, Table 608 1, except and as specifically stated in Sections 608 2 through 608 16 9 (34) Section 60817, change to read as follows: 608.17 Protection of individual water supplies An individual water supply shall be located and constructed so as to be safeguarded against contamination in accordance with applicable local regulations In the absence of other local regulations, installation shall be in accordance with Sections 608 17 1 through 608 17 8 (35) Section 708.3.4, change to read as follows 708.3 4 Upper terminal Base of stack Each horizontal drain shall be provided with a cleanout at its upper terminal A cleanout shall be provided at the base of each waste or soil stack Exception: Cleanouts may be omitted on a horizontal drain less those five (5) feet (1524 mm) in length unless such line is serving sinks or urinals (36) Add Section 712.5 to read as follows• 712.5 Dual Pump System All sumps shall be automatically discharged and, when in any "public use" occupancy where the sump serves more than 10 fixture units, shall be provided with dual pumps or ejectors arranged to function independently in case of overload or mechanical failure For storm drainage sumps and pumping systems, see Section 1113 (Reason To address dual pump system To provide reference for storm drainage systems ) (37) Section 714, 7141, change to read as follows SECTION 714 ENGINEERED COMPUTERIZED DRAINAGE DESIGN 714.1 Design of drainage system The sizing requirements for plumbing drainage systems shall be determined by approved computer program design methods (38) Section 802.1.1; delete the exception (39) Section 802.4, add a sentence to read as follows. No standpipe shall be installed below the ground (40) Section 904.1; changed to read as follows. 904.1 Roof extension. All open vent pipes that extend through a roof shall be terminated at least six (6) inches (152 mm) above the roof, except that where a roof is to be used for any purpose other than weather protection, the vent extensions shall be run at least 7 feet (2134 mm) above the roof (41) Section 912.1, change to read as follows. 912.1 Type of fixture. A combination drain and vent system shall not serve fixtures other than floor drains, standpipes, sinks and lavatories indirect waste receptors Combination drain and vent systems shall not receive the discharge of a food waste grinder Page 28 (42) Section 912.2; change to read as follows. 912 2 Installation. The only vertical pipe of a combination drain and vent system shall be the connection between the fixture dram of a sink, lavatory or standpipe, and the horizontal combination dram and vent pipe The maximum vertical distance shall be 8 feet (2438 mm) (43) Section 1002.10, delete (44) Section 10031, added to read as follows. Minimum construction standards for food service establishments are required when 1 A new building is constructed and occupied, 2 Prior to the issuance of a certificate of occupancy for an existing building which has not been previously used as a food service establishment within the last six (6) months 3 A change to a more restrictive class of food preparation occurs Heavy Food Preparation shall mean any area in which foods are prepared utilizing a grill, griddle, deep -fat flyer, commercial type ovens, and/or any similar food preparation equipment, or any area subject to flooding type of wet cleaning procedures due to the cutting or processing of meat, poultry, fish or pork Heavy food preparation includes but is not limited to cafeterias, fast food restaurant, full service restaurants, pizza preparation, donut preparation Meat and fish markets, (et cetera) A minimum 1,000- gallon grease interceptor is required for heavy food preparation establishments Light Food Preparation shall mean any area in which foods are prepared exclusive of the use of fryers, grills or similar equipment Light food preparation is usually limited to the preparation of hot dogs, sandwiches, salads or other similar foods and fountain -type cold drinks Light food preparation includes, but is not limited to, sandwich shops, limited menu concession stands (et cetera) A minimum 200-gallon grease interceptor is required for light food preparation establishments No Food Preparation shall mean any area in which foods are provided prewrapped, from an approved source, with microwave oven type heating being the maximum handling involved No food preparation is limited to pre -packaged sandwiches or similar foods, candies and containerized beverages A grease interceptor is not required for no food preparation establishments (45)Section 1106.1, change to read as follows 1106.1 General. The size of the vertical conductors and leader, building storm drains, building storm sewers, and any horizontal branches of such drains or sewers shall be based on six (6) inches per hour the 100-year hourly rainfall rate indicated in Figure 1106 1 or on other rainfall rates determined from approved local weather data (46) Section 1107.3, change to read as follows• 1107.3 Sizing of secondary drains. Secondary (emergency) roof drain system shall be sized in accordance with Section 1106 based on the rainfall rate for which the primary Page 29 system is sized in Tablesl106 2, 1106 3 and 1106 6 by two Scuppers shall be sized to prevent the depth of pondmg water from exceeding that for which the roof was designed as determined by Section 11017 Scuppers shall not have an opening dimension of less than 4 inches The flow through the primary system shall not be considered when sizing the secondary roof drain system (47) Chapter 12; delete Section 28-252 Deletions and amendments is amended to read (1) Section 102.8, change to read as follows 102.8 Referenced codes and standards. The codes and standards referenced herein shall be those that are listed in Chapter 15 and such codes, when specifically adopted, and standards shall be considered part of the requirements of this code to the prescribed extent of each such reference Where differences occur between provisions of this code and the referenced standards, the provisions of this code shall apply Whenever amendments have been adopted to the referenced codes and standards, each reference to said code and standard shall be considered to reference the amendments as well Any reference to NFPA 70 or the ICC Electrical Code shall mean the Electrical Code as adopted (2) Section 302.3; change to read as follows• 302.3 Cutting, notching and boring in wood framing When permitted by the International Building Code, the cutting, notching and boring of wood framing members shall comply with Sections 302 3 1 through 302 3 3 (3) Section 304.5, delete (4) Section 304 8; change to read as follows 304.8 Clearances from grade. Equipment and appliances installed at grade level shall be supported on a level concrete slab or other approved material extending above adjoining grade a minimum of 3 inches (76 mm) or shall be suspended a minimum of 6 inches (152 mm) above adjoining grade (5) Add Section 30411 to read as follows 304.11 Minimum burial depth. Underground fuel piping systems shall be installed a minimum depth of 18 inches (458 mm) below grade (6) Section 306.3; change to read as follows. 306 3 Appliances in attics Attics containing appliances requiring access shall be provided with an opening and unobstructed passageway large enough to allow removal of the largest component of the appliance The passageway shall not be less than 30 inches high and 22 inches wide and not more than 20 feet in length when measured along the centerline of the passageway from the opening to the equipment The passageway shall have continuous solid floonng not less than 24 inches wide A level service space not less than 30 inches deep shall be present at the front or service side of the appliance The clear Page 30 access opening dimensions shall be a minimum of 20 inches by 30 inches (508 mm by 762 imn), or larger where such dimensions are not large enough to allow removal of the largest appliance As a minimum, access to the attic space of residential uses shall be provided by one of the following 1 A permanent stair 2 A pull down stair 3 An access door from an upper floor level Exception: The passageway and level service space are not required where the appliance is capable of being serviced and removed through the required opening (7) Section 306.3.1; add a sentence to read as follows Low voltage wiring of 50 Volts or less shall be installed in a manner to prevent physical damage (8) Section 306.41, add a sentence to read as follows Low voltage wiring of 50 Volts or less shall be installed in a manner to prevent physical damage (9) Section 306.5, change to read as follows 306.5 Equipment and appliances on roofs or elevated structures Where equipment and appliances requiring access are installed on roofs or elevated structures at a height exceeding 16 feet (4877 mm), such access shall be provided by a permanent approved means of access the extent of which shall be from Permanent exterior ladders providing roof access need not extend closer than 8 feet (2438 mm) to the finish grade or floor level below and shall extend to the equipment and appliance's level service space Such access shall not require climbing over obstructions greater than 30 inches high on roofs having a slope greater than 4 units vertical in 12 units horizontal (33-percent slope) A receptacle outlet shall be provided at or near the equipment and appliance location in accordance with the Electrical Code Low voltage wiring of 50 Volts or less shall be installed in a manner to prevent physical damage (10) Section 306.6, add a second paragraph to read as follows A receptacle outlet shall be provided at or near the appliance location in accordance with the Electrical Code Low voltage wiring of 50 Volts or less shall be installed in a manner to prevent physical damage (11) Add Section 306.6.1 to read as follows: 306 6.1 Catwalk. On roofs having slopes greater than 4 units vertical in 12 units horizontal, a catwalk at least 16 inches in width with substantial cleats spaced not more than 16 inches apart shall be provided from the roof access to the working platform at the appliance (12) Add Section 306.7 to read as follows. 306 7 Water beaters above ground or floor. When the mezzanine or platform in which a water heater is installed is more than eight (8) feet (2438 mm) above the ground or floor Page 31 level, it shall be made accessible by a stairway or permanent ladder fastened to the building 306.7.1 Whenever the mezzanine or platform is not adequately lighted or access to a receptacle outlet is not obtainable from the main level, lighting and a receptacle outlet shall bb provided in accordance with Section 306 3 1 (13) Section 3072.1; modify second sentence to read as follows 307.2.1 Condensate disposal Condensate from all cooling coils and evaporators shall be conveyed from the drain pan outlet to an approved place of disposal Condensate shall not discharge in a publicly exposed area such as into a street, alley, sidewalk or other areas so as to cause a nuisance (14) Section 307.2 2, add a second paragraph to read as follows Condensate waste pipes from air-cooling coils may be sized in accordance with equipment capacity as follows Equipment Capacity in tong of refrigeration Minimum Condensate Pipe Inside Diameter Up to 20 tons 3/4 inch Over 0 to 40 tons 1 inch Over 40 to 90 tons 1 1 /4 inch Over 90 to 125 tons 1 %2 inch Over 125 to 250 tons 2 inch The size of condensate waste pipes may be for one unit or a combination of units, or as recommended by the manufacturer The capacity of waste pipes assumes a 1/8-inch-per- foot slope, with the pipe running three-quarters full (15) Section 307.2.3; add item #4 to read as follows. 4 Discharge, as noted, shall be to a conspicuous point of disposal to alert occupants in the event of a stoppage of the drain However, the conspicuous point shall not create a hazard such as dripping over a walking surface or other areas so as to create a nuisance (16) Section 403 2, add an exception to read as follows Exception: Where the design professional demonstrates that an engineered ventilation system is designed in accordance with ASHRAE 62, the minimum required rate of outdoor air shall be permitted to be as specified in such engineered system design (17) Section 403.2.1; add an item #4 to read as follows 4 Toilet rooms within private dwellings that contain only a water closet, lavatory or combination thereof may be ventilated with an approved mechanical recirculating fan or similar device designed to remove odors from the air (18) Table 403.3, footnote g. change to read as follows Page 32 g Transfer air permitted in accordance with Section 403 2 2 Toilet rooms within private dwellings that contain only a water closet, lavatory or combination thereof may be ventilated with an approved mechanical recirculating fan or similar device designed to remove odors from the air (20) Section 504.6, add a sentence to read as follows The size of duct shall not be reduced along its developed length or at the point of termination (21) Section 504.61, change to read as follows 504 6.1 Maximum length The maximum length of a clothes dryer exhaust duct shall not exceed 25 feet (7620 mm) from the dryer location to the outlet terminal with not more than two bends When extra bends are installed, the maximum length of the duct shall be reduced 2 5 feet (762 mm) for each 45-degree (0 79 rad) bend and 5 feet (1524 mm) for each 90-degree (1 6 rad) bend that occur after the first two bends, measuring in the direction of airflow (Exception is unchanged) (22) Section 506.3.11; change to read as follows• 506 3.11 Duct enclosure A grease duct serving a Type I hood that penetrates a ceiling, wall or floor shall be enclosed from the point of penetration to the outlet terminal A duct shall only penetrate exterior walls at a point where unprotected openings are permitted by the International Building Code Ducts shall be enclosed in accordance with the International Building Code requirements for shaft construction The duct enclosure shall be sealed around the duct at the point of penetration and vented to the outside of the building through the use of weather -protected openings The enclosure shall be separated from the duct by a mimmum of 3 inches (152 76 mm) and a maximum of 12 inches (305 mm) and shall serve a single grease exhaust duct system (Exceptions remain unchanged) (23) Section 510.7, add a second exception to read as follows Exceptions 1 (Existing exception unchanged) 2 Ducts where the largest cross -sectional diameter of the duct is less than 10 inches (254 mm) (24) Section 604.1, change to read as follows: 604 1 General. Duct insulation shall conform to the requirements of Sections 604 2 through 604 1, Table 604 1 and the International Energy Conservation Code Should there be any conflicts between this section and the energy code, the energy code shall take precedence Page 33 (25) Add Table No. 6041 to read as follows Table 604.1 - Insulation of Ducts Duct Location Insulation Types Heating Zone 1 Insulation Mechanically Types Cooled Heating Only On roof on exterior C, V 2 and W I A and W of building II B and W III C and W Attics, garages and A and V 2 I A crawl spaces II A III B Within the None required None required conditioned space or in Basements, return ducts in air plenums Cement slab or None required None required within ground Note. Where ducts are used for both heating and cooling, the minimum insulation shall be as required for the most restrictive condition 1 Heating Degree Days Zone I below 4,500 D D Zone II 4,501 to 8,000 D D Zone III over 8,000 D D 2 Vapor retarders shall be installed on supply ducts in spaces vented to the outside in geographic areas where the summer dew point temperature based on the 2 3/2 percent column of dry-bulb and mean coincident wet -bulb temperature exceeds 60 0 F (15 4 0 C) 3 Insulation may be omitted on that portion of a duct which is located within a wall- or a floor -ceiling space where 3, Both sides of the space are exposed to conditioned air 3 2 The space is not ventilated 3 3 The space is not used as a return plenum 34 The space is not exposed to unconditioned air Ceilings, which form plenums, need not be insulated INSULATION TYPES 4 A -- A material with an installed conductance of 0 48 [2 72 W/(m*K)] or the equivalent thermal resistance of 2 1 [0 367 (m*K)[W] Example of materials capable of meeting the above requirements Page 34 1-inch (25 mm), 0 60 lb /cu ft (9 6 kg/m 3 ) mineral fiber, rock, slag or glass blankets '/2-mch (13 mm), 15 to 3 lb /cu ft (24 to 48 kg/m 3 ) mineral fiber blanket duct liner Y2-inch (13 min), 3 to 10 lb /cu ft (48 to 160 kg/m 3 ) mineral fiberboard B -- A� material with an installed conductance of 0 24 [1 36 W/(m*K)] or the equivalent thermal resistance of 4 2 [0 735 (m*K)/W] Example of materials capable of meeting the above requirements 2-inch (51 mm), 0 60 lb /cu ft (9 6 kg/m 3 ) mineral fiber blankets 1-inch (25 mm), 15 to 3 lb /cu ft (24 to 48 kg/m 3 ) mineral fiber blanket duct liner 1-inch (25 mm), 3 to 10 lb /cu ft (48 to 160 kg/m 3 ) mineral fiber board C -- A material with an installed conductance of 0 16 [0 9 W/(m*K)] or the equivalent thermal resistance of 6 3 [1 1 (m*K)/W] Example of materials capable of meeting the above requirements 3-inch (76 mm), 0 60 lb /cu ft (9 6 kg/m 3 ) mineral fiber blankets 1 '/2-mch (38 mm), 15 to 3 lb /cu ft (24 to 48 kg/m 3 ) mineral fiber blanket duct liner I '/2-inch (38 mm), 3 to 10 lb /cu ft (48 to 160 kg/m 3 ) mineral fiber board V --Vapor Retarders Material with a perm rating not exceeding 0 05 perm [29 ng/Pa*s*m 2 ] All joints to be sealed W - Approved weatherproof barrier 4 The example of materials listed under each type is not meant to limit other available thickness and density combinations with the equivalent installed conductance or resistance based on the insulation only (26) $ecdon 604.11 Vapor retarders. Where ducts used for cooling are externally insulated, the insulation shall be covered with a vapor retarder in accordance with Table 604 1 having a maximum permeance of 0 05 perm [2 87 ng/(Pa s in 2 )] or aluminum foil having a minimum thickness of 2 mils (0 051 mm) Insulations having a permeance of 0 05 perms [2 87 ng/(Pa s in 2 )] or less shall not be required to be covered All joints and seams shall be sealed to maintain the continuity of the vapor retarder (27) Section 607.2.2; change to read as follows 607.23 Hazardous exhaust ducts. Hazardous exhaust duct systems shall extend directly to the exterior of the building and shall not extend into or through ducts and plenums Penetfation of structural elements shall conform to this section and the International Building Code except that fire dampers are not required at penetration of fire -resistance - rated assemblies for hazardous exhaust duct system shall comply with Section 510 (28) $ecdon 607.5.1, change to read as follows: 607.5.1 Fire Walls. Ducts and transfer openings permitted in firewalls in accordance with Section 705 11 of the International Building Code shall be protected with approved fire dampers installed in accordance with their listing Hazardous exhaust ducts shall not penetrate firewalls Page 35 (29) Section 607.6.1; change to read as follows. 607 61 Through penetrations In occupancies other than Groups I-2 and I-3, penetrations by an air duct through a fire -resistive -rated floor/ceiling assembly that connects not more than two stones are permitted without shaft enclosure protection where a fire damper is installed at the floor line (30) Chapter 14, delete. Section 28-254 Deletions and amendments is amended to read (1) Section 101.3; amend as follows. 1013 Compliance. Compliance with this code shall be determined in accordance with Sections 1013 1, and 1013 2, or 1013 3 (2) Add the following item 101.3.3. Alternative compliance. A building certified through a voluntary energy performance testing program approved as meeting or exceeding the provisions of this code may be deemed to comply with the requirements of this code (3) Section 302.1; Replace blank Table 302.1 Exterior Design Conditions with the following: CONDITION VALUE Wintef a, design dry bulb o F 99 6% 17 Summer a, desi -bulb o F 0 4% 100 Summer a, design wet -bulb o f 0 4% 78 Degree days heating b 2407 days cooling b 2603 -Degree Climate zone c 5B (4) Delete note "a" and replace with the following a These values are from ASHRAE Handbook of Fundamentals for Dallas/Ft Worth International Airport 99 6% Winter DB, 0 4% Summer DB, and 0 4% Summer WB, and from Local Climatological Data for Dallas -Ft Worth published by the National Climatic Data Center, National Oceanic and Atmospheric Administration These values are for the purpose of providing a uniform basis of requirements for North Central Texas This will not preclude licensed professionals from submitting design analyses based on site measurements or published data more specific to the building site Adjustments shall be permitted to reflect local climates that differ from the tabulated values, or local weather experience determined by the code official (5) Delete Figures 3021 (1-43, 45-51). (6) Section 502.1.1; delete exception #2 and substitute the following. 2 Buildings located in Climate Zones 1 through 9 as indicated in Table 302 1 Page 36 (7) Section 5021.5, add the following exceptions Exceptions: 1 Any glazing facing within 45 degrees of true north, 2 Any glazing facing within 45 degrees of true south which is shaded along its full width by a permanent overhang with a projection factor of 0 3 or greater 3 Any fenestration with attached screens where the screens have a rated shading coefficient of 6 or less (8) Section 502.2; Replace blank Table 502 2 Heating & Cooling Criteria with the following. Table 502.2 a,g HEATING AND COOLING CRITERIA Element Mode Type A-1 Type A-2 Residential Residential Buildings Buildings Uo Uo Walls Heating or cool= 0 15 022 Roof/ceiling Heating or cooling 003 003 Floors over Heating or cooling 005 005 unheated spaces Heated slab on Heating R-value = 6 R-value = 6 -grade Unheated slab on Heating R-value = 0 R-value = 0 -grade, Basement wall Heating or coolie U-Factor = 0 15 U-factor = 0 15 Crawls ace wall Heating or coolie U-factor = 0 15 1 U-factor = 0 15 (9) Delete Note "a" and replace with the following. a The above values have been determined for all counties in the North Central Texas Councyil of Governments region (10) Add Note "g ": g These requirements apply only to the boundaries of conditioned space Air conditioning equipment is recommended, but not required, to be located within the conditioned space in North Central Texas zones (11) Delete Figures 502 2(1-6) (12) Section 502.2; Add note to Fig 502 2(7) All counties within the North Central Texas Council of Governments region are designated as within the area of very heavy termite infestation probability for purpose of uniform interpretation of this requirement Page 37 (13) Section 502.2 4, Delete prescriptive Tables 502 2 4(1-9) and substitute the following: Table $02 2.4(1) Prescriptive Building Envelope Requirements, Type A-1 Residential Buildings, Based on Window Area as a Percent of Gross Exterior Wall Area (for zones 5b and 6b) % Maximum Minimum Glazing Glazing U-factor Ceiling R-value Exterior Wall R- value Floor R- value Basement Wall R- value Slab Perimeter R-value and depth Crawl space wall R- value <8% 0 70 R-26 R-11 R-11 R-5 R-0 R-6 <12% 0 65 R-26 R-13 R 11 R-5 R-0 R-5 <15% 0 65 R-30 R-13 R-11 R-6 R-0 R-7 <18% 0 52 R-30 R-13 R-19 R-6 R-0 R-7 <20% 0 50 R-38 R-13 R-19 R-6 R-0 R-7 <25% 0 46 R-38 R-16 R-19 R-6 I R-0 R-7 (14) Replace Tables 502.2 4 (7-9) with: Table 502 2 4(2) Prescriptive Building Envelope Requirements, Type A-2 Residential Buildings, Based on Window Area as a Percent of Gross Exterior Wall Area % Maximum Minimum % Glazing Glazing Ceiling Exterior Floor Basement Slab Crawl U-factor R-value Wall R- R- wall R- perimeter space value value value R-value wall R- and value depth <20% 0 55 R-30 R-13 R-11 R-5 R-0 R-6 <250X 055 R-30 R-13 R-11 R-5 R-0 R-5 <30% 047 R-38 R-13 R-19 R-7 R-0 I R-8 (15)Section 503.3.3 3, amend as follows• All supply and return -air ducts and plenums installed as part of an HVAC air -distribution system shall be thermally insulated in accordance with Table 503 3 3 3 or where such ducts or plenums operate at static pressures greater than 2 in w g (500 Pa) in accordance with Section 503 3 3 4 1 Page 38 (16) Section 503.3.3.4, amend subsections asfollows, 503 3.3.41 High- and medium -pressure duct systems All ducts and plenums operating at static pressures greater than 2 in w g (500 Pa) shall be insulated and sealed in accordance with Section 803 2 8 High pressure and medium pressure Ducts operating at static pressures in excess of 3 in w g (750 Pa) shall be leak tested in accordance with SMACNA HVAC Air Duct Leakage Test Manual with a rate of air leakage not to exceed the maximum rate specified in that standard Section 803 3 6 Pressure classifications specific to the duct system shall be clearly indicated on the construction documents in accordance with the International Mechanical Code 503 3.3.4 2 Low-pressure duct systems. All longitudinal and transverse ,joints, seams and connections of low-pressure supply and return ducts operating at static pressures less than or equal to 2 in w g (500 Pa) shall be securely fastened and sealed with welds gaskets, mastics (adhesives), mastic -plus -embedded fabric systems or tapes installed in accordance with the manufacturer's installation instructions Pressure classifications specific to the duct system shall be clearly indicated on the construction documents in accordance with the International Mechanical Code (Exception is unchanged) (17) Section 802.2, Replace blank tables 802 2 (1-4) with the completed tables provided on the following four pages. Delete tables 802 2 (5-37) TABLE 802 2(1) BUILLDING ENVELOPE REQUIREMENTS WINDOW AND GLAZED DOOR !+AREA 10 PERCENT OR LESS OF ABOVPE GRADE WALL AREA ELEMENT CONDITIONNALUE Zoness 5B 6B Sk II hta U•faotor 1 SI b or below fade wall R value R 0 Windows and glass doors PF < 0 25 0 25 < PF < 0 50 PF > 0 50 SHGC U factor An An An An An An Roof assemblies (R value) All -wood jolst/truss Metal joisVtruss Concrete slab or deck Metal purlln with thermal block Metal purlln without thermal block Insulation between framin Continnuous Insulation R 19 R-16 R 25 R-17 NA RIB R 25 R-17 X R 17 Floors over outdoor air or unconditioned space (R.value) All -wood joisVtruss Metal joist/truss Concrete slab or deck Insulation between framin Continnuous insulation R-11 R 6 R-11 R 6 NA R 6 Above- rade walls(R-value No framin Metalframing Wood framing Framed -value cavil NA R 11 R-11 value continuous NA R-0 R 0 C U > 8 in with Into ral insulation i value cavit NA R 0 R 0 -value continuous R 0 R O R-0 Other mason walls value cavity NA R 0 R 0 R-value continuous R 0 R 0 R-0 Page 39 TABLE 802 2(2) BUILDING ENVELOPE REQUIREMENTS WINDOW AND GLAZED DOOR AREA OVER 10 PERCENT BUT NOT GREATER THAN 25 PERCENT OF ABOVE GRADE WALL AREA ELEMENT CONDITIONNALUE Sk II is U'actor 1 Slab or below- tads wall R value R-0 Wind ws and glass doors PF < 0 25 025<PF<050 PF > 0 50 SHGC U factor 06 An 07 An Any An Roof assemblies (R-value) All wood joist1truss Metal lolsVtruss Concrete slab or deck Metal purlin with thermal block Metal purlm without thermal blockR-20 Insulation between framing_. Continuous Insulation R-19 R-20 R 19 R 20 MInsulatlon Floor$ over outdoor air or unconditloned space (R value)All woodjoistltruss Metal jolst/truss Concrete slab or deck Continuous insulation R-6 R 11 R 6 NA R-6 Abov • rade walls(R-value) No framing Metal framing Wood framin Framed R va ue cavil NA R 11 R 11 R va ue continuous NA R 0 R-0 CMU > 8 in, with integral insulation R-va ue cavity NA R 11 R 11 R value continuous 11 R 5 R 0 R O Othermasonry walls 11 R value cavity NA R 11 R 11 R value contlnuous R-5 R O R-0 Page 40 TABLE 802 2(3) BUILDING ENVELOPE REQUIREMENTS WINDOW AND GLAZED DOOR AREA OVER 25 PERCENT BUT NOT GRREATER THAN 40 PERCENT OF ABOVE GRADE WALL AREA ELEMENT CONDITIONNALUUE Skylights U factor 1 Slab or below grade wall R value R 0 Windows and glass doors PF<025 0255PF<050 PF>050 SHGC U factor 04 07 05 07 06 07 Roof assemblies (R-value) All -wood loistltruss Metal JolsUtruss Concrete slab or deck Metal purlin with thermal block Metal purlm without thermal block Insulation between framin Contirinuous insulatlon _ R 25 R 19 _ R 25 R 20 NA R 19 R 30 R 20 X R 20 Floors over outdoor air or unconditioned space (R value) Alkwood IoisUtruss Metaljoist/truss Concrete slab or deck Insulation between framin Continnuous Insulation R 11 R 6 R 11 R 6 NA R 6 Above -grade walls(R-value No framin Metal framin Wood framin Framed R value cavity NA R 11 R 11 R value continuous NA R O R O CM > 8 in with into ral Insulation R value cavIty NA R-11 I R-11 R value continuous R 5 R O R O Other mason walls R value cavit NA R 11 R 11 R-value continuous R 5 R O R O Page 41 TABLE 802 2(4) BOIL DING ENVELOPE REQUIREMENTS WINDOW AND GLAZED DOOR ARREA OVER 40 PERCENT BUT NOT GRIEATER THAN 50 PERCENT OF ABOVE GRADE WALL AREA ELEMENT CONDITIONNALUIE Sk I "a U factor 1 Slab or below rade wall R value I R 0 Windows and glass doors PF<025 026<PF<050 PF>050 SHGC U factor 04 07 05 07 06 07 Roo assemblies (R value) All wood joist/truss Metal joistltruss Concrete slab or deck Metal purlin with thermal block Metal purlin without thermal block Insulation between framing Contimuous insulation R 25 R-19 R-25 R 20 NA R 19 R 30 R 20 R 38 R 20 Floors over outdoor air or unconditioned space (R value) All wood joistltruss Metal joistltruss Concrete slab or deck Insulation between framing Contimuous insulation R 11 R-6 R 11 R 6 NA R 6 Above grade walls R value No framing Metal framing Wood framing Framed R-value cavil NA R-13 R 11 R value continuous NA R 3 R O CM > 8 in with Integral insulation R-value caw' NA NA R 11 R 11 R value continuous R 5 R O R O Other masonry walls R value cavity NA R 11 R 11 R value continuous R 5 R O R-0 (18) Section 805.21 Interior Lighting Controls; add a third sentence to read. Large ispaces shall have a separate switch or control for each 2500 square feet of floor area (19) Chapter 9, Replace referenced standard as follows ASHRAE/IES -- 93 Energy Code for Commercial and High -Rise Residential Buildings — Based on ASHRAE/IES 90 1-1989 — with Revisions thru October 7, 1997 including Errata and Addendum 90 is-1993 ASHRAE/IES -- 99 Energy Efficient Design of New Buildings Except Low -Rise Residential Building -- 1999 Edition SECTION 2. That if any provision of this ordinance or the application thereof to any person or circumstances is held invalid, such invalidity shall not affect other provisions or applications, and to this end the provisions of this ordinance are severable SECTION 3. That all provisions of the ordinances of the City of Denton in conflict with the provisions of this ordinance are hereby repealed, and all other provisions of the ordinances of the City of Denton, not in conflict with the provisions of this ordinance, shall remain in full force and effect Page 42 SECTION 4. That any person violating any provision of this ordinance shall, upon conviction, be fined a sum not to exceed two thousand dollars ($2000 00) Each day that a provision of this Ordinance is violated shall constitute a separate and distinct offense SECTION 5 That this ordinance shall become effective fourteen (14) days from the date of its passage, and the City Secretary is hereby directed to cause the caption of this ordinance to be published twice in the Denton Record Chronicle, the official newspaper of the City of Denton, Texas,,, within ten (10) days of the date of its passage PASSED AND APPROVED this the 60 day of �1tgej4 � , 2001 &de'�Aj- Euline Brock, Mayor ATTEST JENNIFER WALTERS, CITY SECRETARY BY APPROVED AS TO LEGAL FORM HERBERT L PROUTY, CITY ATTORNEY BY/ S \Our Documents\Ordinances\01\2000 Building I CODES doc Page 43