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Permit Review Detail

Permit Number: T12CM00271
Parcel: 12620001C

Review Status: Completed

Review Details: RESUBMITTAL

Permit Number - T12CM00271
Review Name: RESUBMITTAL
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
02/21/2012 ERIC NEWCOMB BUILDING-COMMERCIAL REVIEW Approved
02/27/2012 ROBERT SHERRY PLUMBING-COMMERCIAL REVIEW Denied 1. Comment not resolved; show how the water piping in the plumbing chase is to be protected from freezing. [Original comment: The drinking fountains (P-5 and P-6) require the installation of a freeze-resistant box to be mounted on an "interior, heated wall" where the temperature does not drop below 50 degrees Fahrenheit. Verify that the temperature of the plumbing chase will not drop below 50 degrees Fahrenheit. Reference: Section 310.4, UPC 1006.]
2. Comment not addressed. Revise the water pressure and pipe sizing calculations using Appendix A, UPC 2006. Include the pressure drops for the water meter, the reduced pressure backflow preventer, the static lift, the developed pipe length from the water meter to the furthest fixture, and the minimum pressure required for operation of the fixtures. The specified water closets and urinal require a minimum flow pressure of 25 PSI; the specified drinking fountain requires a minimum flowing water pressure of 20 PSI. Reference: Sections 608.1, 610.1, 610.2, and 610.5, UPC 2006.
3. Comment not resolved; clarify the materials to be used for the water piping. [Original comment: Clarify the materials to be used for the domestic water piping; Specification 15050, Section 2.01 B allows the use of schedule 40 galvanized carbon steel, Type K soft-drawn copper tubing, or Type L hard-drawn copper tubing. These materials have different internal diameters and different allowable water velocities. If copper tubing is to be used, the size of the branches serving the water closets and the urinal are too small to limit the water velocity to less than 8 FPS (a 1.6 GPF blow out water closet flows about 35 GPM and a urinal flows about 15 GPM). Reference: Sections 610.12 and A 6.1, UPC 2006 and IS 3-2003, Section 2.6.]