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Home My WebLink AboutRe: additional plumbing info 443 Lafayette Road N. [y11NNES�T'A �EPARTMEC�T OF (651) 284-5005 St. Paul, Minnesota 55155 � 1-800-DIAL-DLI www.dli.mn.gov ; LABOR � II�II�USTRY TTY: (651) 297-4198 � April 4, 2012 REcEIV"^^� City View Plumbing And Heating Company APp ^� (� 1880 B W Wayzata Blvd C/7y ,z Long Lake, MN 55356 ��RON� Gentlemen/Ladies: Subject: REQUEST FOR ADDITIONAL INFORMATION regarding plumbing at Creative Kids Academy, 2180 North Share Dr., Orono, Hennepin County, Minnesota, Plan No. PLB 1203-00024 We are NOT able to grant approval at this time of the plans and specifications submitted for the above- designated project. The following comment(s) outline the changes andior additional inf�rmatiou t11at must be submitted so that we can further evaluate the plans and specifications for compliance with the standards of this department: 1. All pot, scullery, food prep, and bar sinks must be provided with a floor drain on the individual drainage branch serving each sink. This floor drain must not be equipped with a backwater valve (see Minnesota Rules, part 4715.1390, subpart 2). Each food prep and each pot/scullery sink must comply with this requirement. Please revise the plans and show this accordingly. 2. All commercial kitchen sinks, with the exception of mop sinks and hand sinks, shall be provided with 3/4- inch hot and cold water supply branch lines as a minimum (see Minnesota Rules, part 4715.1730, subpart 2). 3. Sufficient hot water shall be provided to adequately serve fixtures that require hot water for the proper functioning of the fixtures. Please review and verify compliance for this requirement. 4. Our understanding is that the plumbing system designer, Mr. Mike Garrity, PM061582 is no longer with your company. Minnesota licensing law allows a master plumber to design and install his own installation. Therefore, a new set of plans must be submitted with a signature of the master plumber for your company. Please submit the requested information promptly so we may complete our plan review. No construction related to the above-referenced plans shall begin until approval is provided by our office. When submitting additional information, please refer to Plan No. PLB 1203-00024. If you have any questions, please contact me at 651/284-5898. Sincerely, � Cathy M. Tran, PE Plumbing Plan Review and Inspections Unit cc: Raj ir Garg ' City Of Orono Building Official� Hennepin County EHS This information can be provided to you in alternative formats(Braille, large print or audio). An Equal Opportunity Employer � � vEo ��SO�EPARTMENT OF LABOR AND INDUSTRY .� �i n of Construction Codes and Licensing �;�G �R�N�REPORT ON PLANS Plans and specifications��p�'u�ibing: Hill School,2180 Northshore Drive,Orono,Hennepin County, Minnesota,Plan No. 065378 OWNERSHIP: SUBMITTER(S): Dale Sorensen Company,9201 East Bloomington Freeway, Suite 1,Bloomington,Minnesota 55420 Plans Dated: ' Date Received: August 9,2006,June 21,2006 Date Reviewed: August 9, 2006 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 ta.ken 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 aze 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 retiuned to Dale Sorensen Company. Enclosed is a copy of the report and transmittal letter to be forwarded to the project owner. 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 roughing-in 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 fmished 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. REQi1IItEMENT(S): 1. The construction and location of the water supply well shall be in compliance with Minnesota Rules, Chapter 4725. The project owner,owner's agent or well driller should contact the Minnesota Deparhnent of Health,Well Management Unit,at 651/215-0811 before the well construction begins to allow verification that the well is properly sited. 2. If a new water softener is to be installed,the following requirements apply: a. The floor drain to receive the water softener discharge must be individually vented in accordance with Minnesota Rules,part 4715.2620, subpart 4. b. The water softener shall be provided with a bypass valve which will permit the equipment to be serviced or removed without the need for shutting off the water service completely(see Minnesota Rules, part 4715.5200). .► � , � Hill School Plumbing Plan No. 065378 Page 2 August 9,2006 c. When water conditioning or other point of entry water treatment equipment is installed in a water distribution system served by an on-site well, a sampling tap is needed prior to the equipment that will allow sampling of untreated water. 3. Verify that the drainage branches on the first and second floors that serve the lavatories,floor drain,and urinal increase to a minimum 2%Z-inch diameter pipe at the point of connection of the urinal.The drainage load on this section of pipe is seven drainage fixture units and the maximum dra.inage load on a 2-inch diameter pipe is six drainage fixture units(see Minnesota Rules,part 4715.2310,subpart 2). 4. At the point where a 2-inch drainage branch increases in size,a cleanout must be provided.If a fixture drainage branch is installed at the point where the pipe increases in size and if the fixture drainage branch is the same diameter as the lazger pipe,it may serve as the cleanout for this portion of the system. Cleanouts must be of the same nominal size as the pipes they serve up to 4 inches in diameter and not less than 4 inches for larger piping(see Minnesota Rules,part 4715.1010). 5. Changes in direction in dramage 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). 6. The size of the urinal supply fixture branch was not noted on the submitted riser diagram.Urinals equipped with flush valves must be provided with a 3/o-inch minimum water supply branch(see Minnesota Rules, part 4715.1730,subpart 2). 7. A full-way valve must be provided on the cold water supply line to the water heater(see Minnesota Rules, part 4715.1800). 8. Water closets in public bathrooms must have open-front seats. 9. It is recommended that a cleanout be provided where new waste and vent piping connects with existing plumbing to facilitate required testing of the new installation. 10. The polyethylene used for the water service must meet ANSI Standard B72.1 or ASTM Standards D2239 or D2737. This ma.terial may only be used up to the pressure tank and there may be no more than two feet exposed within the building(see Minnesota Rules,part 4715.0510). 11. Materials used for the building sewer must comply with the standards specified in Minnesota Rules,part 4715.0530.The PVC plastic pipe material to be used for the building sewer must meet one of the following ASTM Standards: D3034,F789,D2665, or F89L The installation must comply with ASTM Standard D2321 (see Minnesota Rules,part 4715.0530). 12. PVC plastic pipe used for the drain,waste, and vent system shall comply with ASTM Standard D 2665, D 2949 or F 891 (see Minnesota Rules,part 4715.0570 through part 4715.0600). Solvent weld joints in PVC and CPVC pipe must include use of a primer which is of contrasting color to the pipe and cement(see Minnesota Rules,part 4715.0810, subpart 2). 13. The copper water distribution piping must meet ASTM Standard B 88 (see Minnesota Rules, part 4715.0520). � Hill School Plumbing Plan No. 065378 Page 3 August 9, 2006 14. In all buildings other than dwellings, shutoff valves shall be installed which permit the water supply to all equipment in each separate room or to each individual fixture to be shut off without interference with the water supply to any other room or portion of the building(see Minnesota Rules,part 4715.1800, subpart 6). NOTE(S): 1. The scope of this project consists of the addition to an existing building. The plumbing installation includes water closets,urinals, lavatories,mop sinks,a break room sink,water heater, and floor drains. 2. This facility will be served by a new private well and an existing municipal sewer service connection. 3. The plans and specifications were prepared by a licensed master plumber. The plumber who has prepared the plans is the only one that can 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. A roved: Todd Schaefe Public Health Engineer Plumbing Plan Review and Inspections Unit 443 Lafayette Road North St. Paul,Minnesota 55155-4343 651/284-5884 TDS:sas cc: Project Owner Dale Sorensen Company Mr. Lyle Oman,Building Official/ File