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HomeMy WebLinkAboutBuilding Permit 10-0015 - BUFFET PALACE MINNESOTA DEPARTMENT OF LABOR AND INDUSTRY Division of Construction Codes and Licensing REPORT ON PLANS Plans and specifications on plumbing: Buffet Palace, 6880 Bowden Street, Suite 140, Prior Lake, Scott County, Minnesota, Plan No . 101083 OWNERSHIP : EFH, Inc . , 2999 West County Road 42 , Burnsville, Minnesota 55306 SUBMITTER(S) : Legend Mechanical, 8555 West 123rd Street, Savage, Minnesota 55378 Plans Dated: Date Received: February 11 , 2010, January 28 , 2010 Date Renewed: February 18 , 2010 SCOPE : This review is limited to the design of this particular project only insofar as the provisions of the Minnesota Plumbing Code, as amended, apply, and does not cover the water supply or sewerage system to which this plumbing system is connected. The review is based upon the supposition that the data on which the design is based are correct, and that necessary legal authority has been obtained to construct the project. The responsibility for the design of structural features and the efficiency of equipment must be taken by the project designer. Approval is contingent upon satisfactory disposition of any requirements included in this report. Special care should be taken to insure that the material and installation of the plumbing system are in accordance with the provisions of the Minnesota Plumbing Code . A copy of the approved plans and specifications should be retained at the project location for future reference. A set of the identified plans and specifications is being returned to Legend Mechanical . INSPECTIONS : All plumbing installations must be tested and inspected in accordance with the requirements of the Minnesota Plumbing Code . As specified in Minnesota Rules, part 4715 .2830 , no plumbing work may be covered prior to completing the required tests and inspections . Provisions must be made for applying an air test at the time of the roughing4n inspection as outlined in Minnesota Rules, part 4715 .2820, subpart 2, of the code . A manometer test, as specified in Minnesota Rules, part 4715 .2820, subpart 3 , is required at the time of the finished plumbing inspection. It is the responsibility of the contractor/installer to notify 'the Minnesota Department of Labor and Industry when an installation for a state contract job, licensed facility, or project in an area where there is no local administrative authority is ready for an inspection and test. To schedule inspections , contact the state plumbing standards representative for your region, or call Jim Peterson at 651 /284-5889 . REQUIREMENT(S) : 1 . Verify that the existing water supply and waste systems are sized to accommodate the added fixtures (see Minnesota Rules, part 4715 . 3800 and part 4715 .2310) . 2 . Changes in direction in drainage piping must be made by appropriate use of wyes and bends . Sanitary tees are not allowed where the direction of flow changes from either vertical to horizontal or horizontal to horizontal (see Minnesota Rules , part 4715 . 2410) . 3 . Verify that the building is served by a full-sized vent stack that is continuous in size from its base to its terminal (see Minnesota Rules, part 4715 .2520 , subpart 1 ) . 4 . Floor drains which receive substantial amounts of liquid waste must be individually vented in accordance with Minnesota Rules, part 4715 . 2620 and part 4715 . 1300 , subpart 4 . Buffet Palace Plumbing Plan No . 101083 Page 2 February 18 , 2010 5 . Each horizontal drain branch, including floor drain branches, shall be provided with a cleanout at its upper terminal with the following exceptions (see Minnesota Rules, part 4715 . 1000) : a. A fixture trap or a fixture with an integral trap, readily removable without disturbing concealed piping, may be accepted as a cleanout equivalent for this purpose . b . A floor drain cleanout may be omitted if the floor drain or fixture branch line is less than 5 feet in length. c . Floor drains used for shower drains, recessed slop , or similar receptors may have the full-sized cleanout installed on the individual vent pipe serving the fixture or on the fixture . 6 . Using Minnesota Rules, part 4715 .3700, it appears that the maximum recommended flow velocity of 10 feet per second is reached, or exceeded, in the following locations : a. The l4nch cold water distribution branch that serves the flushometer valve water closet and the lavatory. The cold water distribution branch serving these fixtures must be at least 11/4 inches in size . b . The 1 %- inch cold water distribution branch serving the new fixtures . The cold water distribution branch serving the new fixtures must be at least 2 inches in size . 7 . Grease interceptors should be installed only where required by the local jurisdiction. If a grease interceptor is required by the local jurisdiction, it must be constructed and installed in accordance with Minnesota Rules, part 4715 . 1110 . The interceptor installation shall be capable of passing the final manometer test: 8 . It is recommended that the sanitizing compartment of the three-compartment sink be individually trapped and vented, and connected to the sanitary drain system downstream of the grease interceptor. 9 . Water closets in public bathrooms must have open-front seats, except closed-front seats may be used in residential or dwelling-type occupancies (see Minnesota Rules, part 4715 . 1420) . 10 . Pot or scullery sinks must be provided with waste outlets not less than 2 inches in diameter (see Minnesota Rules, part 4715 . 1390 , subpart 1 ) . 11 . The Waste and Vent Floor Plan shows a floor drain on the individual drainage branch serving the prep sink, _ but the floor drain was not shown on the waste and vent riser diagram_. Verify that a tell-tale drain is provided on the individual drainage branch serving the prep sink (see Minnesota Rules, part 4715 : 1390, subpart 2) as shown on the Waste and Vent Floor Plan . 12 . The following requirements pertain to the installation of the commercial dishwasher (see Minnesota Rules, part 4715 . 1250) : a. The floor drain installed on the individual dishwasher drainage branch must not include a backwater valve . b . The water supply to any dishwasher in which the supply opening is located below the spill line of the machine must be protected with a vacuum breaker. 13 . Verify that the floor drains installed on the individual drainage branches serving the prep sink and the three- compartment sink are not equipped with backwater valves (see Minnesota Rules, part 4715 . 1390 , subpart 2) . 14 . A full-way valve must be provided on the cold water supply line to the water heater (see Minnesota Rules, part 4715 . 1800) . Buffet Palace Plumbing Plan No . 101083 Page 3 February 18 , 2010 15 . Water supply connections to fixtures or equipment which have submerged inlets, or inlets below the spill line of the fixture or equipment, must be provided with an air gap arrangement, approved backflow preventer or backflow preventer assembly as specified in Minnesota Rules, part 4715 .2000 and part 4715 .2010 . This shall include each of the potable water connections to the buffet ,counters . 16 . Materials used for the plumbing system shall comply with the standards set forth in the Minnesota Plumbing Code (see Minnesota Rules, part 4715 .0420) . Verify that the following pipe material requirements are met: a. The cast iron pipe used for the drainage, waste, and vent piping must comply with ASTM Standard A 745 CISPI Standard 301 -05 , or ASTM Standard A88 &07a (see Minnesota Rules, part 4715 . 0570 through part 4715 . 0600) . b . Plastic pipe must be installed in accordance with Minnesota Rules, part 4715 .0580(F) and part 4715 . 0600 . Above-grade horizontal runs of plastic waste and vent pipe cannot exceed 3 5 feet in total length. Above-grade vertical stacks constructed of plastic pipe may exceed 35 feet in total height only if an approved expansion joint is used. c . Solvent weld joints in PVC and CPVC pipe must include use of a primer which is of contrasting color to the pipe and cement. A one-step solvent cement complying with ASTM Standard F493 or D2846 may be used for CPVC joints (see Minnesota Rules , part 4715 . 0810, subpart 2) . NOTE(S) : 1 . The scope of this project consists of the remodel of a restaurant. The plumbing includes the following: a. Two restrooms . b . Wait Station - A floor drain and a hand sink. c . Serving - Four floor drains and potable water connections to the buffet counters . d. Kitchen - A dishwasher, a three-compartment sink, a mop sink, two hand sinks, a prep sink, two floor sinks by the woks, and four floor drains. The floor sinks, one floor drain, and the three-compartment sink discharge to a grease interceptor. The fixtures connect to the existing sanitary sewer and to the existing water distribution system. 2 . This facility is served by existing municipal sewer and water services . 3 . This plan review is for the plumbing systems only and does not pertain to the licensing requirements for the facility. The licensing authority will report separately on any licensing requirements which must be met. Additional plans, information and fee may be required by the licensing authority for their review. Please note that changes to the plumbing system may be required as a result of their review. Revised plumbing plans must be submitted showing any significant changes to the plumbing system. 4 . The plans and specifications were prepared by a licensed plumber. Only the plumber who has prepared the plans may use the plans for construction. If another plumber is contracted to install the plumbing, they must submit their own plans and specifications for the project. Authorization for construction in accordance with the approved plans may be withdrawn if construction is not undertaken within a period of two years . The fact that the plans have been approved does not necessarily mean that recommendations or requirements for change will not be made at some later time when changed conditions, additional information, or advanced knowledge make improvements necessary. Buffet Palace Plumbing Plan No . 101083 Page 4 February 18 , 2010 Approved: Scott A. Sawyer, P.E . Public Health Engineer Plumbing Plan Review and Inspections Unit 443 Lafayette Road North St. Paul, Minnesota 551554343 651 /284-5803 SAS :jat cc : Legend Mechanical EFH, Inc . Mr. Robert Hutchins, Building Official jee000� Minnesota Department of Health Environmental Health Services Section File