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Re: project jurisdiction
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0685 Old Crystal Bay Road North - 33-118-23-21-0002
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Re: project jurisdiction
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Last modified
8/22/2023 4:48:06 PM
Creation date
2/27/2018 1:19:09 PM
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x Address Old
House Number
685
Street Name
Old Crystal Bay
Street Type
Road
Street Direction
North
Address
685 Old Crystal Bay Road North
Document Type
Correspondence
PIN
3311823210002
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Orono Elementary and Intermediate School Phase II Renovations <br /> Plumbing <br /> Plan No.096475 <br /> Page 3 <br /> April 13, 2009 <br /> 13. The Water Heater Flow Diagram, 16/M814,shows that a heat exchanger will be provided for domestic <br /> water heating. The double-wall heat exchanger must be designed in a way that any failure of a single wall <br /> will allow discharge to the atmosphere of the heat transfer medium or potable water contained by the wall. <br /> The discharge location must be visible to the operator or owner,and located so that no hazards are created <br /> by the discharge(see Minnesota Rules,part 4715.1941, subpart 2). <br /> 14. Equipment used for heating water or storing hot water shall be protected by approved safety devices in <br /> accordance with Minnesota Rules,part 4715.2210 and part 4715.2230. Verify that a temperature and <br /> pressure relief valve is provided for the water heater. <br /> 15. Materials used for the plumbing system shall comply with the standards set forth in the Minnesota Plumbing <br /> Code(see Minnesota Rules,part 4715.0420). Verify that the following pipe material requirements are met: <br /> a. PVC plastic pipe used for the drain,waste,and vent system shall comply with ASTM Standard D2665, <br /> D2949 or F891 (see Minnesota Rules,part 4715.0570 through part 4715.0600). <br /> b. Solvent weld joints in PVC and CPVC pipe must include use of a primer which is of contrasting color to <br /> the pipe and cement. A one-step solvent cement complying with ASTM Standard F493 or D2846 may <br /> be used for CPVC joints(see Minnesota Rules,part 4715.0810,subpart 2). <br /> c. Verify that the service weight cast-iron pipe used for the drainage,waste, and vent piping complies with <br /> ASTM Standard A 74(see Minnesota Rules,part 4715.0570 through part 4715.0600). <br /> d. ASTM Standard D1785 PVC pipe is only approved for underground storm water piping in sizes <br /> between 14 inches and 24 inches(see Minnesota Rules,part 4715.0550). <br /> 16. The plumbing system shall be tested in accordance with Minnesota Rules,part 4715.2820. <br /> NOTE(S): <br /> 1. The scope of this project consists of the renovations to an elementary/intermediate school.The plumbing <br /> includes the following: <br /> a. Area A-Replace several water closets and electric water coolers.Provide two sinks and two teacher's <br /> stations.Relocate the domestic water mains to the main level. <br /> b. Area B-Replace several electric water coolers.Provide sixteen floor drains, five water closets,one <br /> urinal, one electric water cooler,one sink,and six lavatories.Provide a new sump for the floor drains <br /> located at the lowest elevation in Room No.B002 and connect the pumped discharge piping to the <br /> existing 4-inch sanitary piping in Room No.B007.Provide a new drain tile sump in Room No.B002 <br /> and connect the pumped discharge piping to the existing storm water riser before it leaves the building. <br /> Replace the existing water heaters with a double wall heat exchanger connected to the heating water <br /> system. <br /> c. Area C-Replace the water softener,the water meter,and several electric water coolers and sinks. <br /> d. Area D-Replace one urinal,twenty shower valves,and several lavatories.The lavatories will be <br /> replaced with new multi-user wash fountains.Provide four floor drains,three water closets, one sink, <br /> and three lavatories. <br /> e. Area E-Replace two multi-user wash fountains,one mop sink, one electric water cooler,and four sinks. <br /> Provide one electric water cooler and one hose bib.Modify storm water piping to route two roof drains <br /> along east perimeter to new discharge locations.Relocate the domestic water mains to the main level. <br />
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