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HomeMy WebLinkAboutPlans & specs on plumbing • MINNESOTA DEPARTMENT OF LABOR AND INDUSTRY' Division of Construction Codes and Licensing REPORT ON PLANS Plans and specifications on plumbing: Amberwoods Office Center, 2060 West Wayzata Boulevard, Orono, Hennepin County,Minnesota,Plan No. 086456 OWNERSHIP: Interspace Companies, Inc.,P.O. Box 184, Wayzata, Minnesota 55391 SUBMITTER(S): Palo Companies, Inc., 14208 US Highway 12 Southwest, Cokato, Minnesota 55321 Plans Dated: Date Received: January 25, 2008,December 31, 2007 Date Reviewed: January 29, 2008 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 Palo Companies, Inc. 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 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. A full-size vent stack(3-inch minimum)must be provided for every building(see Minnesota Rules, part 4715.2520, subpart 1). This stack must be continuous in size from its base to its terminal and should be the most remote stack from the location where the building drain leaves the building. 2. Installation of fixtures in regards to separation from the walls and fixtures shall be in accordance with Minnesota Rules,part 4715.1220. No water closets may be set closer than 15 inches from the center to any side wall Please assure the water closets are installed accordingly. 3. The cold water line shall be at least 1-inch in size between the restroom 104 up to the wall hydrant. 4. A water distribution branch serving two tank-type water closets must be at least 3/4-inch in size(see Minnesota Rules,part 4715.3800). 5. All external sillcocks and wall hydrants must be provided with separate shut-off valves inside the building (see Minnesota Rules,part 4715.1800, subpart 7). Amberwoods Office Center Plumbing Plan No. 086456 Page 2 January 29, 2008 6. Full-way valves must be provided at all locations described under Minnesota Rules,part 4715.1800, including the following locations: a. At the water service entrance to the building. b. On the discharge side of the water meter. c. On the cold water supply line to the water heater. 7. Faucets equipped with threaded hose connections must be provided with approved backflow preventers(see Minnesota Rules,part 4715.2110, DD). 8. 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. 9. A cleanout must be provided at or near the base of each stack(see Minnesota Rules,part 4715.1000). 10. The PVC plastic pipe material to be used for the building sewer must meet one of the following ASTM Standards: D3034,F789,D2665,or F891. The installation must comply with ASTM Standard D2321 (see Minnesota Rules,part 4715.0530). 11. If plastic pipe is used for the drain, waste and vent system: a. PVC plastic pipe shall comply with ASTM Standard D2665,D2949,F891. b. It 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 35 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(see Minnesota Rules,part 4715.0810, subpart 2). 12. The installation of cross-link polyethylene(PEX)tubing was specified for the water distribution system. If all of the following requirements cannot be met, a different material that complies with Minnesota Rules, part 4715.0520 must be used: a. The tubing system must comply with ASTM Standard F877 and F876. b. The fittings must comply with ASTM Standard F1807 or F1960. c. The system must be installed by an individual trained by the manufacturer of the particular PEX system to be installed. Certain manufacturers require installation by licensed plumbers who have been trained to install their material. d. All persons installing PEX materials shall have a card on their possession documenting completion of training by the manufacturer or his agent for the material to be installed. e. The tubing and fittings must be marked as required by the applicable standard specification and with the appropriate ASTM designations by the manufacturer. f. The installation must be in accordance with the manufacturer's installation guidelines. Amberwoods Office Center Plumbing Plan No. 086456 Page 3 January 29,2008 13. The plumbing system shall be tested in accordance with Minnesota Rules,part 4715.2820. All portions of the storm sewer system located within 10 feet of the building or water service line must be tested in accordance with Minnesota Rules,part 4715.2820. All storm sewer connections and joints shall be watertight(Minnesota Rules,part 4715.2820). 14. All plumbing shall be installed in accordance with the Minnesota Plumbing Code (see Minnesota Rules, part 4715.0320). NOTE(S): 1. The scope of this project consists of 5 new identical buildings. Installation in each building includes two restrooms finished restrooms in the lower level, four rough-ins for future restrooms, a wall hydrant, a water heater, and a mop sink. 2. This facility is served by new municipal water and sewer service connections. All of sanitary sewer and watermain in Lot No 6 is owned and maintained by the City of Orono as documented by Loucks Associates, dated January 18, 2008. 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. Appro 1 . Tran,P.E. Pu.lic Health Engineer Plumbing Plan Review and Inspections Unit 443 Lafayette Road North St. Paul, Minnesota 55155-4343 651/284-5898 CMT:jat cc: Palo Companies, Inc. Interspace Companies, Inc. Mr. Lyle Oman,Building Official File