9 PROPOSED ADMINISTRATIVE RULES

 

SOAHR 2009-007

 

DEPARTMENT OF ENERGY, LABOR, AND ECONOMIC GROWTH DIRECTOR’S OFFICE

CONSTRUCTION CODE

 

Filed with the Secretary of State on

 

These rules take effect 120 days after filing with the Secretary of State

 

(By authority conferred on the director of the department of energy, labor, and economic growth by section 4 of 1972 PA 230, MCL 125.1504, and Executive Reorganization

Order Nos. 2003-1 and 2008-20, MCL 445.2011 and MCL 445.2025)

 

Draft December 8, 2009

 

R 408.30701, R 408.30711, R 408.30717, R 408.30721, R 408.30725c, R 408.30749, R

408.30758, R 408.30785 of the Michigan Administrative Code are amended, and R 408.30713 and R 408.30724 are added to the Code as follows:

 

PART 7. PLUMBING CODE

 

AMENDMENTS AND ADDITIONS TO BASIC PLUMBING CODE

 

 

R 408.30701 Applicable code.

Rule 701. Rules governing the installation, replacement, alteration, relocation, and use of plumbing systems or plumbing materials shall be those contained in the international plumbing code, 20069 edition, including appendices B, C, D, F, and G, except for   sections 102.10, 102.11, 103.2, 103.4, 104.2, 106.6.1, 106.6.2, 106.6.3, 107.1.2, 107.1.2.1,

107.1.2.2, 107.1.2.3, 107.2.5, 107.2.5.1, 107.2.5.2, 107.2.5.3, 109.2 to 109.7, 312.1.1,

602.3 to 602.3.5.1, 604.11, 608.17 to 608.17.8, 708.3.2, 708.3.6, 1106.6, and tables

1106.2(2) and 1106.6. With the exceptions noted, the code is adopted in these rules by reference. All references to the International Building Code, International Residential Code, International Energy Conservation Code, International Electrical Code, International Mechanical Code, and International Plumbing Code mean the Michigan Building Code, Michigan Residential Code, Michigan Uniform Energy Code, Michigan Electrical Code, Michigan Mechanical Code, and Michigan Plumbing Code respectively. The code is available for inspection at the Okemos office of the Michigan department of energy, labor, &and economic growth, bureau of construction codes. The code may be

purchased from the International Code Council, 500 New Jersey Avenue, N.W., 6th Floor, Washington, D.C. 20001, or from the Michigan Department of Energy, Labor, &and

 

 

Economic Growth, Bureau of Construction Codes, 2501 Woodlake Circle, Okemos, Michigan 48864, at a cost as of the time of adoption of these rules of $560.00 each.

 

R 408.30711 Title and scope.

Rule 711. Sections 101.1 and 101.2 of the code are amended to read as follows:

101.1.    Title. This part shall be known as the Michigan plumbing code and is hereinafter referred to as “the plumbing code” or “the code.” This part shall control all matters concerning the installation, replacement, alteration, relocation, and use of plumbing systems or plumbing materials as herein defined and shall apply to existing or proposed buildings and structures in the state.

101.2.    Scope. The design and installation of plumbing systems, including sanitary and storm drainage, sanitary facilities, medical gas systems, water supplies, and storm water and sewage disposal in buildings, shall comply with the requirements of the code. The design and installation of gas piping, chilled water piping in connection with refrigeration process and comfort cooling, and hot water piping in connection with building heating systems shall conform to the requirements of the Michigan mechanical code. The design and installation of all fire sprinkler systems and standpipe systems shall conform to the requirements of the Michigan building code. Water and drainage connections to such installations shall be made in accordance with the requirements of the code.

Exception: Detached 1-and 2-family dwellings and multiple single-family dwellings (townhouses) not more than 3 stories high with separate means of egress and their accessory structures shall comply with the Michigan residential code.Plumbing  facilities within 1- and 2-family dwellings shall be constructed and maintained in accordance with the Michigan residential code for 1- and 2-family dwellings.

 

R 408.30713  Vertical conductors and leaders.

Rule 713.  Section 1106.2 and table 1106.2(1) of the code is amended to read as follows:

1106.2  Vertical conductors and leaders shall be sized for the maximum projected roof area, in accordance with Table 1106.2.

 

TABLE 1106.2

SIZE OF VERTICAL CONDUCTORS AND LEADERS

 

DIAMETER OF LEADER (inches)a				HORIZONTALLY PROJECTED ROOF AREA (square feet)
				Rainfall rate (inches per hour)
	1	2	3	4	5	6	7	8	9	10	11	12
2	2,880	1,440	960	720	575	480	410	360	320	290	260	240
3	8,800	4,400	2,930	2,200	1,760	1,470	1,260	1,100	980	880	800	730
4	18,400	9,200	6,130	4,600	3,680	3,070	2,630	2,300	2,045	1,840	1,675	1,530
5	34,600	17,300	11,530	8,650	6,920	5,765	4,945	4,325	3,845	3,460	3,145	2,880
6	54,000	27,000	17,995	13,500	10,800	9,000	7,715	6,750	6,000	5,400	4,910	4,500
8	116,000	58,000	38,660	29,000	23,200	19,315	16,570	14,500	12,890	11,600	10,545	9,600

2

For SI: 1 inch = 25.4 mm, 1 square foot = 0.0929 m .

a.   Sizes indicated are the diameter of circular piping. This table is applicable to piping of other shapes provided the cross-sectional shape fully encloses a circle of the diameter indicated in this table.

 

 

R 408.30714 Plumbing official; qualificationsRescinded.

Rule 714. Section 103.1 of the code is amended to read as follows:

  103.1. General. The position of plumbing inspector is created. The plumbing inspector shall be appointed in accordance with 1986 PA 54, MCL 338.2301 et seq.

 

 

R 408.30717 Duties and powers of code official.

Rule 717. Sections 104.1 and 104.54 of the code are amended to read as follows:

104.1 General. The code official shall enforce all of the provisions of the code and shall act on any question relative to the installation, alteration, repair, maintenance, or   operation of all plumbing systems, devices, and equipment except as specifically provided for by statutory requirements or as provided for in sections 104.3 through to 104.8.

 

104.54. Right of entry. In the discharge of duties, the code official may enter any building, structure, or premises in the jurisdiction to enforce the provisions of the act and the code.

 

R 408.30721 Required tests.

Rule 721. Section 312.1 of the code is amended to read as follows:

312.1. Required tests. The permit holder shall make the applicable tests prescribed in sections 312.2 to 312.910.2 to determine compliance with the provisions of the code. The permit holder shall give reasonable advance notice to the code official when the plumbing work is ready for testsing.   The equipment, material, power, and labor necessary for the inspection and test shall be furnished by the permit holder and the permit holder shall be responsible for determining that the work will withstand the test pressure prescribed in this rule. All plumbing system piping shall be tested with either water or, for piping systems other than plastic, by air. After the plumbing fixtures have been set and their traps filled with water, the entire drainage system shall be submitted to final tests. The code official shall require the removal of any cleanouts if necessary to ascertain if the pressure has reached all parts of the system.

Exception: Drainage and vent low pressure air tests for plastic piping systems shall be acceptable as prescribed in section 312.3 of the code.

 

R 408.30724 Piping.

Rule 724. Section 1113.1.4 of the code is amended to read as follows:

1113.1.4.  Discharge piping shall meet the requirements of section 1102.2, 1102.3, or

1102.4 and shall include a gate valve and a full flow check valve. Pipe and fittings shall be the same size as, or larger than, pump discharge tapping.

 

R 408.30725c Venting of fixture drains.

Rule 725c. Section 906.2 of the code is amended to read as follows:

906.2. Venting of fixture drains. The vent for a fixture drain, except where serving a fixture with integral traps, such as water closets, shall connect above the weir of the fixture trap being vented. The total slope shall not exceed the diameter of the fixture drain.

 

 

R 408.30749  Special equipment; water supply protection.

Rule 749. Section 608.3.1 of the code is amended to read as follows:

608.3.1. Special equipment; water supply protection. The water supply for hospital fixtures shall be protected against backflow with a reduced pressure principle backflow preventer, an atmospheric or spill-proof vacuum breaker, or an air gap. Vacuum breakers for bedpan washer hoses, autopsy tables, and hose connections in health care or laboratory areas shall not be located less than 6 feet (1829 mm) above the floor.

 

R 408.30758 Minimum number of fixtures.

Rule 758. Sections 403.1 and 403.3.1 and Table 403.1 of the code isare amended 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 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 in accordance with the Michigan building code. Occupancy classification shall be determined in accordance with the Michigan building code.

Exceptions:

1.    The actual number of occupants determined by a supporting affidavit from the owner or agency.

2.    Hand washing sinks in food service establishments shall be provided in accordance with the requirements of regulation no. 553, food establishments, R 285.553.1 to R

285.553.26 of the Michigan department of agriculture.

3.    Toilet facilities for public swimming pools shall be provided in accordance with the requirements of public swimming pools, R 325.2111 to R 325.2199 of the Michigan department of environmental quality.

4.    Toilet facilities for child care center, day care center, and nursery school facilities shall be provided in accordance with the requirements of child day care licensing – child care centers, R 400.5101 to R 400.5940 of the Michigan department of human services.

5.    Toilet facilities for children’s camps shall be provided in accordance with the requirements of children’s and adult foster care camps, R 400.11101 to R 400.11319 of the Michigan department of human services.

403.3.1.    Access.  The route to the public toilet facilities required by section 403.3 shall not pass through kitchens, storage rooms, or closets.  Access to the required facilities shall be from within the building.  All routes shall comply with the accessibilities requirements of the Michigan building code. The public shall have access to the required toilet facilities at all times that the building is occupied.

 

TABLE 403.1

MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURESa

(See Sections 403.2 and 403.3)

 

NO.	CLASSIFICATION	OCCUPANCY	DESCRIPTION	WATER CLOSETS (URINALS SEE SECTION 419.2)		LAVATORIES			BATHTUBS/ SHOWERS	DRINKING FOUNTAIN (SEE SECTION 410.1)	OTHER
				MALE	FEMALE	MALE		FEMALE
1	Assembly	A-1d	Theaters and other buildings for the performing arts and motion pictures	1 per 125	1 per 65	1 per 200				1 per 500	1 service sink
		A-2d	Nightclubs, bars, tav- erns, dance halls and buildings for similar purposes	1 per 40	1 per 40	1 per 75				1 per 500	1 service sink
			Restaurants, banquet halls and food courts	1 per 75	1 per 75	1 per 200				1 per 500	1 service sink
		A-3d	Auditoriums without permanent seating, art galleries, exhibition halls, museums, lecture halls, libraries, arcades and gymnasiums	1 per 125	1 per 65	1 per 200				1 per 500	1 service sink
			Passenger terminals and transportation facilities	1 per 500	1 per 500	1 per 750				1 per 1,000	1 service sink
			Places of worship and other religious services.	1 per 150	1 per 75	1 per 200				1 per 1,000	1 service sink
		A-4	Coliseums, arenas, skating rinks, pools and tennis courts for indoor sporting events and activities	1 per 75 for the first 1,500 and 1 per 120 for the remainder exceeding 1,500	1 per 40 for the first 1,500 and 1 per 60 for the remainder exceeding 1,500	1 per 200	1 per 150			1 per 1,000	1 service sink
		A-5	Stadiums, amusement parks, bleachers, and grandstands for outdoor sporting events and activities	1 per 75 for the first 1,500 and 1 per 120 for the remainder exceeding	1 per 40 for the first 1,500 and 1 per 60 for the remainder exceeding	1 per 200	1 per 150			1 per 1,000	1 service sink

 

				1,500	1,500
2	Business	B	Buildings for the transaction of business, professional services, other services involving merchandise, office buildings, banks, light industrial, and similar uses	1 per 25 for the first 50 and 1 per 50 for the remainder exceeding 50		1 per 40 for the first 80 and 1 per 80 for the remainder exceeding 80			1 per 100	1 service sink
3	Educational	E	Educational facilities	1 per 50		1 per 50			1 per 100	1 service sink
4	Factory and industrial	F-1 and F-2	Structures in which occupants are engaged in work fabricating, assembly, or processing of products or materials	1 per 100		1 per 100		(see Section 411)	1 per 400	1 service sink
5	Institutional	I-1	Residential care	1 per 10		1 per 10		1 per 8	1 per 100	1 service sink
		I-2	Hospitals, ambulatory nursing home patientsb	1 per room c		1 per room c		1 per 15	1 per 100	1 service sink per floor
			Employees, other than residential careb	1 per 25		1 per 35			1 per 100
			Visitors, other than residential care	1 per 75		1 per 100			1 per 500
		I-3	Prisonsb	1 per cell		1 per cell		1 per 15	1 per 100	1 service sink
			Reformitories, detention centers, and correctional centersb Employeesb	1 per 15   1 per 25		1 per 15   1 per 35		1 per 15   -	1 per 100   1 per 100	1 service sink   -

2009 MR 23 –January 1, 2010

 

 

I-4

Adult day care and child care

1 per 15

1 per 15

1 per 100

1 service sink

 

 

 

 

NO.	CLASSIFICATION			WATER CLOSETS (URINALS SEE SECTION 419.2)		LAVATORIES		BATHTUBS/ SHOWERS	DRINKING FOUNTAIN (SEE SECTION 410.1)
		OCCUPANCY	DESCRIPTION	MALE	FEMALE	MALE	FEMALE			OTHER
6	Mercantile	M	Retail stores, service stations, shops, salesrooms, markets, and shopping centers	1 per 500		1 per 750			1 per 1000	1 service sink
7	Residential	R-1	Hotels, motels, boarding houses (transient)	1 per sleeping unit		1 per sleeping unit		1 per sleeping unit		1 service sink
		R-2	Dormitories, fraternities, sororities, and boarding houses (not transient)	1 per 10		1 per 10		1 per 8	1 per 100	1 service sink
		R-2	Apartment house	1 per dwelling unit		1 per dwelling unit		1 per dwelling unit	-	1 kitchen sink per dwelling unit; 1 automatic clothes washer connection per 20 dwelling units
		R-3	One- and two-family dwellings	1 per dwelling unit		1 per dwelling unit		1 per dwelling unit	-	1 kitchen sink per dwelling unit; 1 automatic clothes washer per dwelling unit
		R-3	Congregate living facilities with 16 or fewer persons	1 per 10		1 per 10		1 per 8	1 per 100	1 service sink
		R-4	Residential care assisted living facilities	1 per 10		1 per 10		1 per 8	1 per 100	1 service sink

 

 

246

 

 

8

Storageg

S-1 S-2

Structures for the storage of goods, warehouses, storehouse, and freight depots. Low and Moderate Hazard

1 per 100

1 per 100

See Section 411

1 per 1,000

1 service sink

a.  The fixtures shown are based on one1 fixture being the minimum required for the number of persons indicated or any fraction of the number of persons indicated. The number of occupants shall be determined by the International Building Code.

b.  Toilet facilities for employees shall be separate from facilities for inmates or patients.

c.  A single-occupant toilet room with one1 water closet and one lavatory serving not more than two2 adjacent patient sleeping units shall be permitted where such room is provided with direct access from each patient room and with provisions for privacy.

d.  The occupant load for seasonal outdoor seating and entertainment areas shall be included when determining the minimum number of facilities required.

e.  The minimum number of required drinking fountains shall comply with Table 403.1 and Chapter 11 of the International Building Code.

f.  Drinking fountains are not required for an occupant load of 15 or fewer.

g. Structures not designed for occupants, or as an employee’s regular working area, are not required to have toilet facilities.

 

 

R 408.30785 Requirements for discharge piping.

Rule 785. Section 504.6 of the code is amended to read as follows:

504.6. Requirements for discharge piping. (1) 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 (1220 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.

(f) Shall discharge to the floor, to the pan serving the water heater or storage tank, or to a waste receptor.

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