Agenda - Council - 10/14/1980 - Laserfiche WebLink

Home

NEC Sec. 300-22(b) - Is amended by adding an exception for Group B-2 Occupancies, permitting communication wiring in return air plenums outside of metal conduct or raceways when the building is protected throughout by an automatic sprinkler system~ smoke detectors in the plenum or listed wire. 2MCAR 8701 - The 1979 edition of the Minnesota Plumbing Code is referenced. Fourteen amendments to the plumbing code are adopted. MHD 122(g) - Is amended to require an independent connection to the public sewer for each building. MHD Table 123(c)(3) VI. - Minimum water service working pressure for plastic pipe is reduced from 160 PSI to 150 PSI for Municipal water service and from 120 PSI to 100 PSI for others. M~D 123(d) (2) - Is amended to accept copper tube & plastic pipe for water service in other than yard areas, limiting plastic water service to a maximum length of 2 ft. within the building. Plastic water service piping must be installed in accordance with ASTM D-2274-72. MHD 124(a)(2)(11-4) - Is amended to permit use of additional joining methods for hubless cast iron soil pipe. MHD I24(a)(4) - New Section (ff) added, permitting use of transition couplings. MHD 125(b)(3) - Amendment permits use of other material for cleanout covers. MHD 130(b)(2)(aa) - Amendment permits additional materials for water service and sewer connections to be installed in the same trench and also where water and sewer lines cross. MHD 130(e)(9)(gg)(ggl) - Amendment defines where pressure type vacuum breakers are required. MHD 130(f) - New-section (6) is added-requiring ~that water heaters be accessible. MHD Table 131 (a)(2)(A) - Is amended to require a minimum sewer service of 4". M~D 131(b)(5) (aa 5) - Requires that the minimum capacity of a sump in single family dwellings be 18 gallons. MHD Table 123(C)(3) VI - Is amended to list ABS schedule 30 pipe, meeting ASTM D 2751 standards. MHD 123(d)(4)(gg) - Is amended to permit use of schedule 30 ABS for building sewers. MHD 130(e)(5) - Is amended to provide necessary protection from back siphonage where toxic solutions are used in systems connected to potable water supplies. 2MCAR Sec. 1.18801-18813 - The entire section on Elevators~ Dumbwaiters~ Escalators, Manlifts, Moving Walks~ Hoists & Lifts has been re-arranged in format to be consistant with the State Building Code. The 1978 ANSI Al7.1 Standard and the 1979 Supplement has been adopted with amendments. New Sections 2MCAR 1.18811 through 1.18813 have been adopted permitting the use of' vertical lifts for wheelchair elevating devices in existing buildings and establishing standards of safety for those devices. Maximum travel is limited to 54". 5 of 6