4 Rule 516. Table R301.2(1) of the code is amended and figures R301.2(7) and R301.2(8) are added to the code to read as follows:

 

 

 

TABLE R 301.2(1)

CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA

Ground Snow Load	Wind Speed d (mph)	Seismic Design Categor yf	Subject to Damage From			Winte r Desig n Tempe	Ice Barrier Underla yment Require dh	Flood Hazar dsg	Air Freezin g Indexi	Mean Annual Tempj
			Weatheri nga	Frostlin e depthb	Termi tec	See Note e	Yes	See Note g	Figure R403.3( 2)	See footnote J
Figure R301.2(5)	90	See Sec.R30 1.2.2.1 & Figure R301.2( 2)	Severe	42” See Note b	Figure R301. 2(6)

For SI: 1 pound per square foot = 0.0479 kN/m2, 1 mile per hour = 1.609 km/h.

 

a.    Weathering may require a higher strength concrete or grade of masonry than necessary to satisfy the structural requirements of this code. The weathering column shall be filled in with the weathering index (i.e., “negligible”, “moderate” or “severe”) for concrete as determined from the weathering probability map [figure R301.2(3)]. The grade of masonry units shall be determined from ASTM C 34, C 55, C 62, C 73, C 90, C 129, C 145, C 216 or C 652 as listed in chapter 43.

b.    The frost line depth may be modified as provided in section R403.1.4 of the code.

c.    The jurisdiction shall fill in this part of the table to indicate the need for protection depending on whether there has been a history of local damage.

d.    The jurisdiction shall fill in this part of the table with the wind speed from the basic wind speed map [figure R301.2(4)]. Wind exposure category shall be determined on a site-specific basis in accordance with section R301.2.1.4 of the code.

e.    The winter design temperature criteria shall be taken from appendix D of the Michigan plumbing code, R 408.30701 to R 408.30796.

f.    Design category determined from section R301.2.2.1 of the code.

g.    The jurisdiction shall fill in this part of the table with (a) the date of the jurisdiction’s entry into the national flood insurance program (date of adoption of the first code or ordinance for management of flood hazard areas), (b) the date(s) of the currently effective FIRM and FBFM or other flood hazard map adopted by the community, as may be amended. Absent (a) or (b), flood hazard areas as determined by the state under its administration of the Part 31, floodplain regulatory authority of the natural resources and environmental protection act, 1994 PA 451, MCL 324.101 to 324.90106, shall become the basis for regulation of floodplain development within the community and section R324 of the code shall apply to buildings and structures within those areas

h. In accordance with sections R905.2.7.1, R905.4.3.1, R905.5.3.1, R905.6.3.1, R905.7.3.1 and R905.8.3.1 of the code, for areas where the average daily temperature in January is 25 degrees Fahrenheit (-4 degrees Celsius) or less, or where there has been a history of local damage from the

 

 

effects of ice damming, the jurisdiction shall fill in this part of the table with “YES”. Otherwise, the jurisdiction shall fill in this part of the table with “NO”.

i.     The jurisdiction shall fill in this part of the table with the 100-year return period air freezing index (bf-days) from figure R403.3(2) or from the 100-year (99%) value on the national climatic data center data table “air freezing index- USA method (base 32 degrees Fahrenheit)”.

j.     The jurisdiction shall fill in this part of the table with the mean annual temperature from the national climatic data center data table “air freezing index-USA method (base 32 degrees Fahrenheit)” at www.ncdc.noaa.gov/fpsf.html.

 

R 408.30518 Means of egressModular ramps.

Rule 518. Sections R311.6.4 and R311.4.2.1 areis added to the code and R311.4.2 of the code is amended to read as follows:

R311.6.4 Modular ramps. Modular ramp systems approved pursuant to section 21 of 1972 PA 230,  MCL 125.1521the act are not required to comply with the requirements of section R403.1.4 of the code. R311.4.2. Door type and size. The required exit door shall be a side-hinged door not less than 3 feet (914 mm) in width and 6 feet, 8 inches (2032 mm) in height. Other exterior hinged or sliding doors shall not be less than 24 inches in width and 6 feet, 6 inches in height.

R311.4.2.1. Interior doors. Interior doors shall be not less than 24 inches in width and 6 feet, 6 inches in height.

Exception: Doors to areas less than 10 square feet of floor area.

 

R 408.30520 Doors.Wood wall framing.

Rule 520. Section R311.4.2R602.10.5 of the code is amendedand section R311.4.2.1 is added to the code to read as follows:

  R311.4.2. Type and size. The required exit door shall be a side-hinged door not less than 3 feet (914  mm) in width and 6 feet, 8 inches (2032 mm) in height. Other exterior hinged or sliding doors shall not be less than 24 inches in width and 6 feet, 6 inches in height.

  R311.4.2.1. Interior doors. Interior doors shall be not less than 24 inches in width and 6 feet, 6 inches in height.

  Exception: Doors to areas less than 10 square feet of floor area.

R602.10.5. Continuous structural panel sheathing. When continuous wood structural panel sheathing is provided in accordance with method 3 of R602.10.3 of the code, including areas above and below openings, braced wall panel lengths shall be in accordance with table R602.10.5 of the code. Wood structural panel sheathing shall be installed at corners in accordance with figure R602.10.5 of the code. The bracing amounts in table R602.10.1 of the code for method 3 shall be permitted to be multiplied by a factor of 0.9 for walls with a maximum opening height that does not exceed 85% of the wall height or a factor of 0.8 for walls with a maximum opening height that does not exceed 67% of the wall height.

 

R 408.30521 Elevation requirements.

Rule 521. Section R3234.2.1 of the code is amended to read as follows;

R3234.2.1. Elevation requirements. (1) Buildings and structures shall have the lowest floor elevated  1 foot above the design flood elevation. Buildings and structures shall have the lowest floor including basements elevated so the lowest point of the floor’s concrete or subfloor surface is 1 foot (305 mm) or more above the design flood elevation. The bottom of the lowest horizontal structural member of the floor system shall not be lower than the design flood elevation.

Compliance with this elevation requirement shall be based upon measurement taken from the

 

 

floor surface without the final floor covering and from the bottom of the lowest horizontal structural member of the floor system.

(2)     In areas of shallow flooding (AO zones), buildings and structures shall have the lowest floor (including basement) elevated at least as high above the highest adjacent grade as the depth number specified in feet (mm) on the FIRM, or not less than 2 feet

(51 mm) if a depth number is not specified. Crawl space interior floor grade elevation shall comply with R408.6 of the code.

(3)     Basement floors that are below grade on all sides shall be elevated to or above the design flood elevation. Basement floors that are below grade on all sides shall be considered lowest floors and shall be elevated so that the lowest point of the floor surface is 1 foot (305 mm) or more above the design flood elevation. Compliance with this elevation requirement shall be based upon measurement taken from the floor surface without the final floor covering.

Exception: Enclosed areas below the design flood elevation, including basements that have floors which are not below grade on all sides, shall meet the requirements of section R3234.2.2 of the code.

 

R 408.30522 Minimum depth.

Rule 522. Section R403.1.4 of the code is amended to read as follows:

R403.1.4. Minimum depth. All exterior footings and foundation systems shall extend 42 inches below actual grade. Where applicable, the depth of the footings shall also conform to sections R403.1.4.1 to R403.1.4.2 of the code.

Exceptions:

  1. Frost-protected footings constructed in accordance with section R403.3 of the code and footings and foundations erected on solid rock shall not be required to extend below the frost line.

2. The footings in detached accessory structures not exceeding 400 square feet in area (37.16 m2) or 10  feet in height (3048 mm) shall extend 12 inches (305 mm) below grade to undisturbed soil or soils of  sufficient bearing capacity. All vegetation and topsoil shall be removed for placement of accessory structures.

  3. Upon evidence of the existence of any of the following conditions, the building official may modify the footing depth accordingly:

(a)      Freezing temperatures (freezing degree days).

(b)      Soil type.

(c)      Ground water conditions.

(d)      Snow depth experience.

(e)      Exposure to the elements.

(f)      Other specific conditions identified by the building official that may affect the foundation system.

  4. Constructed in accordance with section R403.3.

  5. Constructed in accordance with ASCE 32-01 as listed in chapter 43.

  6. Decks not supported by a dwelling need not be provided with footings that extend below the frost line.

 

R 408.30525 Scope.

Rule 525. Section M1301.1 of the code is amended to read as follows:

M1301.1. Scope. The provisions of this chapter shall govern the installation of mechanical systems not specifically covered in other chapters applicable to mechanical systems. Installations of mechanical appliances, equipment, and systems not addressed by the code shall comply with the applicable provisions of the Michigan mechanical code, R 408.30901a to R 408.30998a and the international fuel gas code listed in chapter 43.

 

 

 

R 408.30526 Sizing.

Rule 526. Section M1401.3 of the code is amended to read as follows:

M1401.3. Sizing. Heating and cooling equipment shall be sized in accordance with ANSI/ACCA manual S 3-2004, as listed in chapter 43, based on building loads calculated in accordance with the provisions of ACCA Manual J-1987, as listed in chapter 43 or other approved heating and cooling calculation methodologies. Ductwork shall be sized in accordance with the provisions of ACCA Manual D-1995, as listed in chapter 43.

 

R 408.30528 Terms defined in other codes.

Rule 528. Section G2402.3 of the code is amended to read as follows:

G2402.3. Terms defined in other codes. Where terms are not defined in the code and are defined in the Michigan electrical code, R 408.30801 to R 408.30880, Michigan building code, R 408.30401 to R 408.30499a547, international fire code listed in chapter 43, Michigan mechanical code, R 408.30901a to R 408.30998a or Michigan plumbing code, R 408.30701 to R 408.30796, the terms shall have the meanings ascribed to them as in those codes.

 

R 408.30529 Lining required.

Rule 529. Section P2709.2 of the code is amended as follows:

P2709.2. Lining required. The adjoining walls and floor framing enclosing on-site built-up shower receptors shall be lined with sheet lead, copper, or a plastic liner material that complies with ASTM D 4068 or ASTM D 4551 listed in chapter 43. The lining material shall extend not less than 3 inches (76 mm) beyond or around the rough jambs and not less than 3 inches (76 mm) above the finished thresholds.

 

R 408.30530 Relief valve dischargeRequirements for discharge pipe. Rule 530. Section P2803.6.1 of the code is amended to read as follows:

P2803.6.1. Relief valve dischargeRequirements for discharge pipe. Relief valve discharge pipes shall be rigid pipe approved for water distribution with a rating of 210 degrees Fahrenheit. The discharge pipe shall be the same diameter as the relief valve outlet and shall drain by gravity flow.

Valves shall not be connected in the relief valve discharge pipe. Relief valves shall not discharge so as to be a hazard, a potential cause of damage, or a nuisance. Discharge pipe from relief valves shall terminate atmospherically not more than 4 inches from the floor with an unthreaded end and shall not be directly connected to the drainage system.Relief valves shall not discharge so as to be a hazard, a potential cause of damage, or a nuisance. A relief valve discharge pipe shall be provided for each individual relief valve and shall meet all of the following:

a.    Shall terminate atmospherically not more than 4 inches (102 mm) from the floor with an unthreaded end.

b.    Shall not be interconnected.

c.    Valves shall not be connected in the relief valve discharge pipe.

d.    Shall be rigid pipe approved for water distribution, with a minimum temperature rating of 210 degrees Fahrenheit.

e.    Shall have the same nominal inside diameter as the relief valve outlet and shall drain by gravity flow.

The outlet of a pressure, temperature, or other relief valve shall not be directly connected to the drainage system.

 

 

R 408.30531 Solvent cementing.

  Rule 531. Section P2904.8.1 is added to the code to read as follows:

  P2904.8.1. Solvent cementing. Joint surfaces shall be clean and free from moisture and an approved primer shall be applied. Solvent cement, orange in color and conforming to ASTM F 493, as listed in chapter 43, shall be applied to all joint surfaces. The joint shall be made while the cement is wet and in accordance with ASTM D 2846 or ASTM F 493 as listed in chapter 43. Solvent-cement joints shall be permitted above or below ground.

  Exception: A primer is not required where all of the following conditions apply:

  a. The solvent cement used is third-party certified as conforming to ASTM F 493 as listed in chapter  43.

  b. The solvent cement used is yellow in color.

  c. The solvent cement is used only for joining 1/2 inch (12.7 mm) through 2-inch (51 mm) diameter  CPVC pipe and fittings.

  d. The CPVC pipe and fittings are manufactured in accordance with ASTM D 2846 as listed in chapter  43.Duct construction.

Rule 531. Section M1601.3.1 of the code is amended to read as follows:

M1601.3.1. Joints and seams. Joints of duct systems shall be made substantially airtight by means of tapes, mastics, gasketing, cleats, or other approved closure systems. Joints of duct systems located outside the building thermal envelope shall be made airtight by means of tapes, mastics, caulk, gasketing, or other approved sealants. Closure systems used with rigid fibrous glass ducts shall comply with UL 181A and shall be marked “181A-P” for pressure-sensitive tape, “181A-M” for mastic or “181A-H” for heat-sensitive tape. Closure systems sued with flexible air ducts and flexible air connectors shall comply with UL 181B and shall be marked “181B-FX” for pressure-sensitive tape or “181B-M” for mastic. Duct connections to flanges of air distribution system equipment or sheet metal fittings shall be mechanically fastened. Mechanical fasteners for use with flexible nonmetallic air ducts shall comply with UL 181B and shall be marked 181B-C. Crimp joints for round ducts shall have a contact lap of at least 1.5 inches (38 mm) and shall be mechanically fastened by means of at least 3 sheet metal screws or rivets spaced around the joint.

 

R 408.30534 Individual venting required.Venting.

Rule 534. Section P3105.1 and tables 3002.1 (1), 3002.1 (2) and 3002.2 are amended and section 3105.4P3106.2and figure 3105.4 isare added to the code to read and figure N3 in appendix N of the code is amended to read as follows:

P3105.1. Distance of trap from vent. Each fixture trap shall have a protecting vent located so that the slope and the developed length in the fixture drain from the trap weir to the vent fitting are within the requirements set forth in table P3105.1 of the code.

  P3106.2. Individual venting required. When fixtures other than water closets discharge into a 3-inch horizontal branch downstream from a water closet, then each fixture connected to the branch within 54  inches (1371.6 mm) downstream of the water closet flange shall be vented individually. P3105.4.

Vertical leg for waste fixture drains. A vertical leg (see figure P3105.4) is permitted within a fixture drain of a waste fixture in accordance with the following criteria:

1.    Minimum trap diameter shall be in accordance with table P3201.7 of the code.

2.    The diameter of section A shall be equal to the diameter of the trap.

3.    The length of section A shall not be less than 8 inches (203 mm) and in accordance with table P3105.1 of the code.

4.    The diameter of section B shall be 1 pipe size larger than the diameter of Section A.

5.    The length of section B shall not be more than 36 inches (914 mm).

 

 

6.    The diameter of section C shall be 1 pipe size larger than the diameter of section B.

7.  The total length of section A and section C shall not exceed the distance allowed in table P3105.1 of the code.

8.  Bends shall be the diameter of the largest connected section.

 

 

 

 

 

Figure N3. Typical horizontal wet venting.

 

 

 

 

 

 

 

TABLE P3002.1 (1)

ABOVE-GROUND DRAINAGE AND VENT PIPE

MATERIAL	STANDARD
Acrylonitrile butadiene styrene (ABS) plastic pipe	ASTM  D  2661;  ASTM  F  628;  CSA  B 181.1
Brass pipe	ASTM B 43
Cast-iron pipe	ASTM A 74; CISPI 301; ASTM A 888
Coextruded  composite  ABS  DWV  schedule  40  IPS  pipe (solid)	ASTM F 1488
Coextruded  composite  ABS  DWV  schedule  40  IPS  pipe (cellular core)	ASTM F 1488
Coextruded  composite  PVC  DWV  schedule  40  IPS  pipe (solid)	ASTM F 1488
Coextruded  composite  PVC  DWV  schedule  40  IPS  pipe (cellular core)	ASTM F 1488; ASTM F 891
Coextruded composite ABS IPS-DR, PS140, PS200 DWV	ASTM F 1488

 

 

Coextruded composite PVC IPS-DR, PS140, PS200 DWV	ASTM F 1488
Copper or copper-alloy pipe	ASTM B 42; ASTM B 302
Copper or copper-alloy tubing (Type K, L, M or DWV)	ASTM B 75; ASTM B 88; ASTM B 251; ASTM B 306
Galvanized steel pipe	ASTM A 53
Polyolefin pipe	CSA B181.3
Polyvinyl chloride (PVC) plastic pipe (Type DWV)	ASTM  D  2665;  ASTM  D  2949;  CSA B181.2; ASTM F 1488
Stainless steel drainage systems, Types 304 and 316L	ASME A112.3.1

 

TABLE P3002.1(2)

UNDERGROUND BUILDING DRAINAGE AND VENT PIPE

MATERIAL	STANDARD
Acrylonitrile butadiene styrene (ABS) plastic pipe	ASTM D 2661; ASTM F 628; CSA B181.1
Asbestos-cement pipe	ASTM C 428
Cast-iron pipe	ASTM A 74; CISPI 301; ASTM A 888
Coextrueded composite ABS DWV schedule 40 IPS pipe (solid)	ASTM F 1488
Coextruded composite ABS DWV schedule 40 IPS pipe (cellular core)	ASTM F 1488
Coextruded composite PVC DWV schedule 40 IPS pipe (solid)	ASTM F 1488
Coextruded composite PVC DWV schedule 40 IPS pipe (cellular core)	ASTM F 891; ASTM F 1488
Coextruded composite ABS IPS-DR, PS140, PS200 DWV	ASTM F 1488
Coextruded composite PVC IPS-DR, PS140, PS200 DWV	ASTM F 1488
Copper or copper alloy tubing (Type K, L, M or DWV)	ASTM B 75; ASTM B 88; ASTM B 251; ASTM B 306
Polyolefin pipe	ASTM F 1412; CSA B181.3
Polyvinyl chloride (PVC) plastic pipe (Type DWV)	ASTM D 2665; ASTM D 2949; CSA B181.2
Stainless steel drainage systems, Type 316L	ASME A112.3.1

 

 

 

 

TABLE P3002.2 BUILDING SEWER PIPE

MATERIAL	STANDARD
Acrylonitrile butadiene styrene (ABS) plastic pipe	ASTM D 2661; ASTM D 2751; ASTM F 628
Asbestos-cement pipe	ASTM C 428
Cast-iron pipe	ASTM A 74; ASTM A 888; CISPI 301

 

 

Coextruded composite ABS DWV schedule 40 IPS pipe (solid)	ASTM F 1488
Coextruded composite ABS DWV schedule 40 IPS pipe (cellular core)	ASTM F 1488
Coextruded composite PVC DWV schedule 40 IPS pipe (solid)	ASTM F 1488
Coextruded composite PVC DWV schedule 40 IPS pipe (cellular core)	ASTM F 1488; ASTM F 891
Coextruded composite ABS IPS-DR-PS DWV, PS140, PS200	ASTM F 1488
Coextruded composite PVC IPS-DR-PS DWV, PS140, PS200	ASTM F 1488
Coextruded composite ABS sewer and drain DR-PS in PS35, PS50, PS100, PS140, PS200	ASTM F 1488
Coextruded composite PVC sewer and drain DR-PS in PS35, PS50, PS100, PS140, PS200	ASTM F 1488
Coextruded composite PVC sewer and drain PS 25, PS 50, PS 100 (cellular core)	ASTM F 891
Concrete pipe	ASTM C 14; ASTM C 76; CSA A 257.1M; CSA A 257.2M
Copper or copper-alloy tubing (Type K or L)	ASTM B 75; ASTM B 88; ASTM B 251
Polyethylene (PE) plastic pipe (SDR-PR)	ASTM F 714
Polyolefin pipe	ASTM F 1412; CSA B181.3
Polyvinyl chloride (PVC) plastic pipe (Type DWV, SDR 26, SRD35, SDR41, PS50 or PS100)	ASTM D 2665; ASTM D 2949; ASTM D 3034; ASTM F 1412; CSA B182.2; CSA B182.4
Stainless steel drainage systems, Types 304 and 316L	ASME A112.3.1
Vitrified clay pipe	ASTM C 425; ASTM C 700

 

R 408.30536 GeneralElectrical, general, electrical conductors and connections and electrical grounding.

Rule 536. Sections E3301.1, and E 3301.2, E3306.7, E3808.8.1, E3808.8.2, and table E3502.2 of the code are amended to read as follows:

E3301.1. Applicability. The provisions of chapters 33 to 42 of the code shall establish the general scope of the electrical system and equipment requirements of the code. Chapters 33 to 42 of the code cover those wiring methods and materials most commonly encountered in the construction of 1- and 2- family dwellings and structures regulated by the code. Other wiring methods, materials, and subject matter covered in the Michigan electrical code, R 408.30801 to R 408.30880 are also allowed by the code.

E3301.2. Scope. Chapters 33 to 42 of the code shall cover the installation of electrical systems, equipment, and components indoors and outdoors that are within the scope of the code, including services, power distribution systems, fixtures, appliances, devices, and appurtenances. Services within the scope of the code shall be limited to 120/240 volt, 0- to 400- ampere, single-phase systems. These chapters specifically cover the equipment, fixtures, appliances, wiring methods, and materials that are most commonly used in the construction or alteration of 1- and 2-family dwellings and accessory structures regulated by the code. The omission from these chapters of any material or method of construction provided by the Michigan electrical code, R 408.30801 to R 408.30880, shall not be

 

 

construed as prohibiting the use of such material or method of construction. Electrical systems, equipment, or components not specifically covered in these chapters shall comply with the applicable provisions of the Michigan electrical code, R 408.30801 to R 408.30880.

E3306.7. Conductors of the same circuit. All conductors of the same circuit and, where used, the grounded conductor and all equipment grounding conductors shall be contained within the same raceway, cable, trench or cord.

 

TABLE E3502.2

MINIMUM SERVICE LOAD CALCULATION

 

LOADS AND PROCEDURE

3 volt-amperes per square foot of floor area for general lighting and general use receptacle outlets.

Plus

1,500 volt-amperes total number of 20- ampere-rated small appliance and laundry circuits.

Plus

The nameplate volt-ampere rating of all fastened-in-place, permanently connected or dedicated circuit-supplied motors and appliances such as ranges, ovens, cooking units, clothes dryers, and water

heaters.

Apply the following demand factors to the above subtotal:

The minimum subtotal for the loads above shall be 100% of the first 10,000 volt-amperes of the sum of the above loads plus 40% of any portion of the sum that is in excess of 10,000 volt-amperes.

Plus the largest of the following:

Nameplate rating(s) of the air-conditioning and cooling equipment.

Nameplate rating(s) of the heating where a heat pump is used without any supplemental electric heating.

Nameplate rating of the electric thermal storage and other heating systems where the usual load is expected to be continuous at the full nameplate value. Systems qualifying under this selection shall not be figured under any other category in this table.

One hundred percent of nameplate rating of the heat pump compressor and 65 percent of the supplemental electric heating load for

 

 

central electric space-heating systems. If the heat pump compressor is prevented from operating at the same time as the supplementary heat, the compressor load does not need to be added to the supplementary heat load for the total central electric space-heating load.

Sixty-five percent of nameplate rating(s) of electric space-heating units if less than 4 separately controlled units.

Forty percent of nameplate rating(s) of electric space-heating units of 4 or more separately controlled units.

The minimum total load in amperes shall be the volt-ampere sum calculated above divided by 240 volts.

 

E3808.8.1. Grounding of flexible metal conduit. Flexible metal conduit shall not be permitted as an equipment grounding conductor.

E3808.8.2. Grounding of liquid-tight flexible metal conduit. Liquid-tight flexible metal conduit shall not be permitted as an equipment grounding conductor.

 

R 408.30539 Plastic pipeSolvent cementing.

Rule 539. Sections P3003.3.6.1 and P3003.3.6.2P3003.14.2 are added toof the code is amended to read as follows:

 P3003.3.6.1. ABS plastic pipe. Solvent cement for ABS plastic pipe conforming to ASTM D 2235, as  listed in chapter 43, shall be applied to all joint surfaces.

P3003.3.6.2 PVC plastic pipe. A primer complying with ASTM F 656, as listed in chapter 43, shall be applied to all PVC solvent-cemented joints. Solvent cement for PVC plastic pipe conforming to ASTM D 2564, as listed in chapter 43, shall be applied to all joint surfaces.P3003.14.2 Solvent cementing.

Joint surfaces shall be clean and free from moisture. A primer that conforms to ASTM F 656, as listed in chapter 43, shall be applied. Solvent cement not purple in color and conforming to ASTM D 2564, CSA B137.3 or CSA B181.2, as listed in chapter 43, shall be applied to all joint surfaces. The joint shall be made while the cement is wet, and shall be in accordance with ASTM D 2855, as listed in chapter 43. Solvent-cement joints shall be permitted above or below ground.

 

R 408.30540 Distance of trap from vent.Elevators and platform lifts.

Rule 540. Sections R323.1 and R323.2 P3105.1 of the code isare amended to read as follows:

  P3105.1. Distance of trap from vent. Each fixture trap shall have a protecting vent located so that the slope and the developed length in the fixture drain from the trap weir to the vent fitting are within the requirements set forth in table P3105.1.

R323.1. Elevators. Where provided, passenger elevators, limited-use/limited-application elevators or private residence elevators shall comply with the Michigan elevator rules R 408.7001 to R 408.8695.

R323.2. Platform lifts. Where provided, platform lifts shall comply with the Michigan elevator rules, R 408.7001 to R 408.8695.

 

 

R 408.30543 Boiler low-water cutoff.

Rule 543. Section M2002.5 of the code is amended to read as follows:

M2002.5. Boiler low-water cutoff. All steam and hot water boilers shall be protected with a low-water cutoff control. The low-water control shall automatically stop the combustion operation of the appliance when the water level drops below the lowest safe water level as established by the                manufacturer. The low-water cut off on all low-pressure boilers shall be installed in accordance with  the Michigan boiler rules, R 408.4001 to R 408.5507.ASME code section IV which is adopted by  reference in these rules. The code is available for inspection at the Michigan Department of Labor & Economic Growth, Bureau of Construction Codes and Fire Safety, 2501 Woodlake Circle, Okemos,  Michigan 48864, or from the American Society of Mechanical Engineers, Three Park Avenue, New York, New York, 10016-5990, at a cost as of the time of adoption of these amendatory rules of $260.00. A low-water cutoff shall be of the float or probe type or paddle-type non-reversing flow switch.

 

R 408.30544 Concrete and masonry foundation dampproofing.

  Rule 544. Section R406.1 of the code is amended to read as follows:

  Exception: Parging of unit masonry walls is not required where a material is approved for direct application to the masonry.Light, ventilation and heating.

Rule 544. Section R303.4.2 of the code is amended to read as follows:

R303.4.2. Exhaust openings. Outside exhaust openings shall be located as not to create a nuisance. Exhaust openings shall not be directed onto walkways. Exhaust openings shall not terminate within 2 feet of a ventilated section in a soffit.

 

R 408.30545 Exterior covering.

  Rule 545. Sections R703.2, R703.6, and R703.8, and table R703.4 of the code are amended to read as follows:

  R703.2. Weather-resistive sheathing paper. A minimum of one layer of No. 15 asphalt felt complying with ASTM D 226, as listed in chapter 43, for type 1 felt or other approved weather-resistive materials shall be applied over sheathing of all exterior walls. See table R703.4. Such felt or material shall be applied horizontally, with the upper layer lapped over the lower layer not less than 2 inches (51 mm).

Where joints occur, felt shall be lapped not less than 6 inches (152 mm). Building paper or other approved material shall be continuous up to the underside of the rafter or truss top chord and terminated at penetrations and building appendages in such a manner to meet the requirements of the exterior wall envelope as described in section R703.1.

  Exception: Such felt or material is permitted to be omitted in detached accessory buildings.

Table R703.4

WEATHER-RESISTANT SIDING ATTACHMENT AND MINIMUM THICKNESS

 

SIDING MATERIAL		NOMIN AL THICK NESS a  (INCHE S)	JOINT  TREAT  MENT	SHEAT HING PAPER  REQUI RED	TYPE OF SUPPORTS FOR THE SIDING MATERIAL AND FASTENERS bcd
					Wood or Wood  Structu ral Panel sheathi ng	Fiberb oard Sheathi ng  Into stud	Gypsu  m Sheathi ng Into stud	Foam Plasti c Sheat hing Into stud	Direct to studs	Num  ber or Spaci ng of  fasten ers
Horiz	Witho	0.019f	Lap	Yes	0.120	0.120	0.120	0.120	Not	Same
	ut				nail	nail	2” long	nailz	allowe	as
	Insula				1½”	2” long			d	stud
ontal	tion				long					spaci
Alumi		0.024	Lap	Yes	0.120 nail 1½” long	0.120 nail 2” long	0.120 nail 2” long	0.120 nailz	Not allowe d	ng
numc
	With	0.019	Lap	Yes	0.120	0.120	0.120	0.120	0.120
	Insula				nail	nail	nail	nailz	nail
	tion				1½”	2½”	2½”		1½”
					long	long	long		long
Hardboardl Panel siding- vertical		7/16	Note g	Yes	Note o	Note o	Note o	Note o	Note o	6” panel edges 12” inter. Sup.p
Hardboardl Lap-siding-  horizontal		7/16	Note r	Yes	Note q	Note q	Note q	Note q	Note q	Same  as stud spaci ng
Steeli		29ga.	Lap	Yes	0.113	0.113	0.113	0.113	Not	Same
					nail	nail	nail	nailz	allowe	as
					1¾”	2¾”	2½”	2½St	d	stud
					Staple-	Staple-	Staple-	aplez		spaci
					1¾”	2 ½”	2 ¼”			ng
Particleboard panels		3/8-1/2	Note g	Yes	6d box nail	6d box nail	6d box nail	Box nailz	6d box  nail, 3/8 not allowe  d	6” panel edge 12” inter. Sup.

 

5/8

Note g

Yes

6d box nail

8d box nail

8d box nail

box nailz

6d box  nail

Plywood panelj (exterior grade)

3/8

Note g

Yes

0.099 nail-2”

0.113 nail- 2½”

0.099 nail-2”

0.113 nailz Stapl ez

0.099 nail- 2”

6” on edges

Vinyl Siding n

0.035

Lap

Yes

0.120

0.120

0.120

.0120

Not

Same

nail

nail 2”

nail 2”

nailz

allowe

as

1½”

Staple-

Staple-

Stapl

d

stud

Staple-

2½”

2½”

ez

spaci

1¾”

ng

Wood k Rustic,

3/8 Min

Lap

Yes

Fastener penetration into stud-1”

0.113

Face

drop

nail-

nailin

Shiplap

19/32 Average

Lap

Yes

2½” Staple -2”

g up to 6” width s, 1  nail

Bevel

7/16

Butt tip

3/16

Lap

Yes

per

beari

ng;

8”

width

s and

over,

2

nails

per

beari

ng

Brick veneer

2

Section

Yes

See Section R703 and Figure R703.7h

Concrete

2

R703

(Note m)

masonry

veneer

Stone veneer

2

Section R703

Yes  (Note m)

See Section R703 and Figure R703.7h

Fiber cement panel sidings

5/16

Note t

Yes

6d corrosion resistant nailu

6d corrosi on resista nt nailu

6d corrosi on resistan t nailu

4 d corro sion resist ant nailv

6” oc on edges , 12” oc on inter med. Studs

 

 

Fiber cement lap sidings

5/16

Note w

Yes  Note y

6d corrosion resistant nailu

6d corrosi on resista nt nailu

6d corrosi on resistan t nailu

6d corro sion resist ant nailx

Note x

 

For SI: 1" = 25.4 mm

  a. Based on stud spacing of 16 inches on center where studs are spaced 24 inches, siding shall be applied to sheathing approved for that spacing.

  b. Nail is a general description and shall be T-head, modified round head, or round head with smooth  or deformed shanks.

  c. Staples shall have a minimum crown width of 7/16-inch outside diameter and be manufactured of  minimum 16 gage wire.

  d. Nails or staples shall be aluminum, galvanized, or rust-preventative coated and shall be driven into the studs for fiberboard or gypsum backing.

  e. Aluminum nails shall be used to attach aluminum siding.

  f. Aluminum (0.019 inch) shall be unbacked only when the maximum panel width is 10 inches and the maximum flat area is 8 inches. The tolerance for aluminum siding shall be +0.002 inch of the nominal dimension.

  g. Sheathing paper required.

  h. All attachments shall be coated with a corrosion-resistive coating.

  i. Shall be of approved type.

  j. Three-eights-inch plywood shall not be applied directly to studs spaced greater than 16 inches on center when long dimension is parallel to studs. One-half-inch plywood shall not be the face grain perpendicular to the studs or over sheathing approved for that stud spacing.

  k. Wood board sidings applied vertically shall be nailed to horizontal nailing strips or blocking set 24  inches on center. Nails shall penetrate 1.5 inches into studs, studs and wood sheathing combined, or  blocking. A weather-resistant membrane shall be installed weatherboard fashion under the vertical siding unless the siding boards are lapped or battens are used.

  l. Hardboard siding shall comply with AHA A135.6 as listed in chapter 43.

  m. For masonry veneer, a weather-resistant sheathing paper is not required over a sheathing that performs as a weather-resistive barrier when a 1-inch air space is provided between the veneer and the sheathing. When the 1-inch space is filled with mortar, a weather-resistant sheathing paper is required over studs or sheathing.

  n. Vinyl siding shall comply with ASTM D 3679 as listed in chapter 43.

  o. Minimum shank diameter of 0.092 inch, minimum head diameter of 0.025 inch, and nail length shall accommodate sheathing and penetrate framing 1.5 inches.

  p. When used to resist shear forces, the spacing must be 4 inches at panel edges and 8 inches on  interior supports.

  q. Minimum shank diameter of 0.099 inch, minimum head diameter of 0.240 inch, and nail length shall accommodate sheathing and penetrate framing 1.5 inches.

  r. Vertical end joints shall occur at studs and shall be covered with a joint cover or shall be caulked.

  s. Fiber cement siding shall comply with the requirements of ASTM C 1186 as listed in chapter 43.

  t. See section R703.10.1 of the code.

  u. Minimum 0.102 inch smooth shank, 0.255 inch round head.

  v. Minimum 0.099 inch smooth shank, 0.250 inch round head.

 

 

  w. See section R703.10.2 of the code.

  x. Face nailing: 2 nails at each stud. Concealed nailing: one 11 gage 1-1/2 galvanized roofing nail  (0.371 inch head diameter, 0.120 inch shank) or 6d galvanized box nail at each stud.

  y. See exceptions in section R703.2 of the code.

  z. Minimum nail length shall accommodate sheathing and penetrate framing 1.5 inches.

  R703.6. Exterior plaster. Installation of these materials shall be in compliance with ASTM C 926,  which is adopted by reference in these rules and ASTM C 1063, as listed in chapter 43. The ASTM C 926 standard is available for inspection at the Michigan Department of Labor & Economic Growth,  Bureau of Construction Codes and Fire Safety, 2501 Woodlake Circle, Okemos, Michigan 48864, or  from ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA, 19428, at a cost as of the time of adoption of these amendatory rules of $30.00.

  R703.6.3. Weather-resistant barriers. Weather-resistant barriers shall be installed as required in section R703.2 and, where applied over wood-based sheathing, shall include a weather-resistive vapor permeable barrier with a performance at least equivalent to 2 layers of grade D paper.

  R703.8. Flashing. Approved corrosion-resistive flashing shall be provided in the exterior wall envelope in such a manner as to prevent entry of water into the wall cavity or penetration of water to the building structural framing components. The flashing shall extend to the surface of the exterior wall finish and shall be installed to prevent water from reentering the exterior wall envelope. Flashing shall extend to, or beyond, the finished exterior face of the wall. Approved corrosion-resistive flashing shall be installed at all of the following locations:

  1. At top of all exterior window and door openings in such a manner as to be leakproof, except that self-flashing windows having a continuous lap of not less than 1 1/8 inches (28 mm) over the sheathing material around the perimeter of the opening, including corners, do not require additional flashing; jamb flashing may also be omitted when specifically approved by the building official.

  2. At the intersection of chimneys or other masonry construction with frame or stucco walls, with projecting lips on both sides under stucco copings.

  3. Under and at the ends of masonry, wood, or metal copings and sills.

  4. Continuously above all projecting wood trim.

  5. Where exterior porches, decks, or stairs attach to a wall or floor assembly of wood-frame construction.

  6. At wall and roof intersections.

  7. At built-in gutters.Exterior covering.

Rule 545. Sections R703.7.3, R703.7.4.1, 703.7.5 and R703.7.6 and figures R703.7, R703.7.2.1,

and R703.7.2.2, of the code are amended to read as follows:

R703.7.3. Lintels. Masonry veneer shall not support any vertical load other than the dead load of the veneer above. Veneer above openings shall be supported on lintels of noncombustible materials and the allowable span shall not exceed the values set forth in Table R703.7.3 of the code. The lintels shall have a length of bearing not less than 4 inches (102 mm). Steel lintels shall be corrosion-resistant.

R703.7.4.1. Size, spacing, and corrosion protection. Veneer ties, if strand wire, shall not be less in thickness than no. 9 U.S. gauge [(0.148 in.) (4 mm)] wire and shall have a hook embedded in the mortar joint, or if sheet metal, shall be not less than no. 22 U.S. gauge [(0.0299 in.) (0.76 mm)] by 7/8 inch (22 mm) corrugated. Each tie shall be spaced not more than 24 inches (610 mm) on center horizontally and vertically and shall support not more than 2.67 square feet (0.25 m2) of wall area. Corrosion protection shall be provided for all veneer ties as required by section R606.15.1 of the code.

 

 

703.7.5. Flashing. Approved flashing shall be installed beneath the first course of masonry above finished ground level above the foundation wall or slab and at other points of support, including structural floors, shelf angles and lintels when masonry veneers are designed in accordance with section R703.7 of the code. See section R703.8 of the code for additional requirements.

R703.7.6. Weepholes. Weepholes shall be provided in the outside wythe of masonry walls at a maximum spacing of 33 inches (838 mm) on center. Weepholes shall not be less than 3/16 inch (5 mm) in diameter. Weepholes shall be located immediately above and directly on the flashing.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R 408.30546 Smoke alarm locations.

Rule 546. Sections R313.34 and R313.-4-5 of the code are addedamended to readthe code as follows:

R313.34. Smoke alarm locations in existing buildings constructed before November 6, 1974. Within each dwelling unit or sleeping unit, a single-station smoke alarm shall be installed in the following locations:

1.    In each sleeping room or each area directly outside the sleeping room.

2.    On each floor level including the basement level.

For sleeping units with split levels and without an intervening door between the adjacent levels, a smoke alarm installed on the upper level shall suffice for the adjacent lower level provided that the lower level is less than 1 full story below the upper level.

R313.-4-5. Equipment requirements. The required equipment for smoke alarms shall consist of the

following:

1.    Installation. Smoke alarm devices shall be listed and installed in accordance with the manufacturer’s installation requirements, the provisions of the code and the provisions of NFPA 72  which is adopted by reference in these rulesas listed in chapter 43.The standard is available for inspection at the Michigan Department of Labor & Economic Growth, Bureau of Construction Codes  and Fire Safety, 2501 Woodlake Circle, Okemos, Michigan, 48864, or from NFPA, 1 Batterymarch  Park, Quincy, MA, 02269-9101, at a cost as of the time of adoption of these amendatory rules of $- 48.00.

2.    Power Source. The equipment shall be operable by power from 1 of the following primary sources.

 

 

a.     The building wiring provided that such wiring is served from a commercial source and is equipped with a battery backup. Wiring shall be permanent and without a disconnecting switch other than as required for overcurrent protection.

b.     A non-rechargeable battery that is capable of operating the smoke alarm in the normal condition for a life of 5 years.

c.     A rechargeable battery, with proper charging, able to power the alarm for a life of 5 years and shall be automatically recharged by an AC circuit of the commercial light and power source.

d.    A household use alarm system with battery backup listed and approved in accordance with the household fire warning equipment provisions of NFPA 72, as referenced in Section R313.4 of the code.

3.    Audible Alarm Notification. The activation of the alarm signal shall produce a sound that is audible in all occupiable dwelling areas.

4.    Testing and Maintenance. The owner of a dwelling unit, in which required or optional fire detection or fire protection systems equipment is installed, shall be responsible for the proper operation, testing, and maintenance of the equipment in accordance with the manufacturer’s instructions included with     the equipment. The occupant of rental dwelling units shall be responsible for the periodic operational testing and periodic cleaning of the installed equipment within the rental unit in accordance with          the testing instructions provided in the manufacturer’s instructions for the equipment. If the system fails, breaks, or is out of service, it shall be repaired and functional within 30 days.

Exception: Smoke alarms and devices installed in buildings constructed before November 6, 1974 where an installation was approved by the appropriate enforcing agency under regulations in effect at the time of the installation shall be considered to comply with the provisions of the code.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R 408.30547. Referenced standards Barrier requirements.

 

 

Rule 547. The TPI standard in chapter 43 of the code is amended to update the standard to the TPI 1- 2002 editionSection AG105.5 of the code is amended to read as follows.

Section AG105.5. Barrier exceptions. Spas or hot tubs with a safety cover which complies with ASTM F 1346, as listed in section AG107 of the code, shall be exempt from the provisions of sections AG105.2, AG105.3, and AG105.4 of the code.