HomeMy WebLinkAboutPL 2019-10-10 MN DLI PB P1910-0027 Permit & Review - Data Room MIDEPARTMENT OF 443 Lafayette Road N., St. Paul, MN 55155
LABOR AND INDUSTRY (651) 284-5857 www.dli.mn.gov
PLUMBING PERMIT
PB-P1910-0027
Permit Date: 10/10/2019
Project Name
Stillwater Area High School I.T. Room Cooling Project
Site Address
5701 Stillwater Blvd N, Oak Park Heights, Washington County
Applicant Name NAC MECHANICAL AND ELECTRIAL SERVICES
Address 1001 LABORE INDUSTRIAL CT
Phone (651) 490-9868
Owner Name Tony Willger
Address 1875 South Greeley Street
Phone (651) 351-8374
Contractor Name
Phone
Inspector Kara Topper
Phone (651) 279-3418
Description of Work
(5701 Stillwater Blvd N) Adding a redundant cooling unit
Fees
Total Fees $126.00
Total Fees Paid $126.00
Total Fees Due $0.00
NOTICE
This permit is valid only for the work described and does not grant permission for additional or
related work. A separate permit may be required for work not included in the scope of this permit.
Permits become null and void if the work is not started within 180 days from the issue date and will expire if
the work is suspended or abandoned for a period of 180 days any time after the work has commenced (see
Minnesota Rule 1300.0120).
Contractor:
M1DEPARTMENT OF
LABOR AND INDUSTRY
Division of Construction Codes and Licensing
REPORT ON PLUMBING PLANS
PROJECT: Stillwater Area High School I.T. Room Cooling Project, 5701 Stillwater Blvd N,Oak Park Heights,
Washington County, Minnesota,Plan No. PB-R1909-0213
OWNERSHIP: Tony Willger, Stillwater Area Schools ISD 834, 1875 South Greeley Street, Stillwater, MN
55082
SUBMITTER: Hallberg Engineering, Inc., 1750 Commerce Court, White Bear Lake, MN 55110
Plans Dated: June 25, 2019
Initial Date Received: September 27, 2019
Last Date Received: October 8,2019
Date Approved: October 9,2019
This review is limited to the provisions of the Minnesota Plumbing Code,Minnesota Rules, Chapter 4714 and
assumes the data on which the design is based are correct. Approval is contingent upon meeting the requirements
listed below. A copy of the approved plans and this report must be retained at the project location.
INSPECTIONS: All plumbing installations must be tested and inspected in accordance with the requirements of
the Minnesota Plumbing Code. No plumbing work may be covered prior to inspection. The contractor/installer
must obtain all required inspection permits. The Minnesota Department of Labor and Industry(DLI)will be
inspecting the plumbing for this project. Please contact Kara Topper at 651/279-3418 for all plumbing
inspections. No plumbing work may be covered prior to inspection. The installer must verify that the required
inspection fee has been submitted before scheduling. For additional information,visit our website at: _
http://www.dli.mn.gov/business/plumbing-contractors/plumbing-inspections
REQUIREMENTS:
1. All plumbing shall be installed in accordance with the 2015 Minnesota Plumbing Code(see Minnesota
Rules, Chapter 4714). All plumbing fixtures and materials including backflow devices must be listed to
mandatory standards in accordance with Sections 301.1 and 1401.1.
2. The proposed 3/4-inch softened cold water supply connecting to the new redundant cooling unit(CRAC-2)
is nonpotable and extends from the existing CRAC unit. The following requirements apply:
a. Potable and nonpotable water distribution systems and outlets must be identified per Section 601.2.
b. Potable water connections to cooling or other liquid systems where chemicals may be introduced shall
be protected by an air gap or an approved backflow preventer(see Section 603.1). Where any
possibility of backpressure exists,a reduced pressure principle backflow preventer must be used(see
Table 603.2).
c. The installation of reduced pressure principle assemblies,double check valve assemblies,pressure
vacuum breakers,or spill-proof vacuum breakers is permitted only when a testing and inspection
program acceptable to the administrative authority is provided(see Section 603.5.23). The
administrative authority and water purveyor must be notified prior to installation. Devices must be
tested upon initial installation and not less than annually,and records must be kept. Installations must
be at least 12 inches and not more than 5 feet above the finished floor or ground level unless a
permanent platform for access is provided. A backflow prevention fact sheet may be viewed at:
http://www.dli.mn.gov/sites/default/files/pdf/fs backflow.pdf
443 Lafayette Road N.,St. Paul, MN 55155 • (651) 284-5005 • www.dli.mn.gov
An Equal Opportunity Employer
Stillwater Area High School I.T. Room Cooling Project
Plumbing
Plan No. PB-R1909-0213
Page 2 of 2
October 9, 2019
3. Above-grade horizontal copper tubing 11/2-inch and smaller with soldered or brazed joints must be supported
at least every 6 feet(see Table 313.1).
4. The plumbing system shall be tested in accordance with Sections 609.4 and 712.0.
NOTES:
1. The scope of this plumbing project consists of the remodel of an existing building to extend an existing
nonpotable water supply to a new redundant cooling unit(CRAC-2).
2. This facility is served by existing municipal sewer and water service connections.
3. The 2015 Minnesota Plumbing Code,Chapter 4714,and related information can be found at:_
http://www.dli.mn.gov/business/pl umbing-contractors/2015-minnesota plumbing-code
Authorization for installation may be withdrawn not undertaken within one year. Additional recommendations or
requirements may be made if changed conditions or additional information make improvements necessary.
Approved:
•
Marise A. Widmer
Public Health Engineer
Plumbing Plan Review and Inspections Unit
651/284-5887, marise.widmerri state.mn.us
cc: Hallberg Engineering, Inc.
Tony Willger, Stillwater Area Schools ISD 834
Julie Hultman,Building Official
File