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Permit Review Detail

Permit Number: T21CM05947
Parcel: 13604814A

Review Status: Completed

Review Details: RESUBMITTAL

Permit Number - T21CM05947
Review Name: RESUBMITTAL
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
09/20/2021 ROBERT SHERRY PLUMBING-COMMERCIAL REVIEW Reqs Change Comment not resolved. The plumbing plan and the water & waste isometric are coordinated but both show the wrong size for the cold water supply to the water closet. A 1-1/4" Type L copper pipe is needed to keep the water velocity under 8 FPS. [Second comment: Comment not resolved. The plumbing plan shows a 1" cold water supply to the flush valve while the waste & water isometric shows a ¾" cold water supply to the flush valve. In both cases the water velocity exceeds 8 FPS and the maximum 5 FPS you note in your water calculation.] [Initial comment: Verify that the pipe sizes called out for the flush valves will not result in water velocities greater than that recommended by the pipe manufacturer (e.g. limit the water velocity to less than 8 FPS for copper piping). At a minimum design flow rate of 25 GPM for a siphonic, flush-valve water closet, a 1" Type L copper pipe has a flow velocity of 9.7 FPS and a ¾" Type L copper pipe has a flow velocity of 16.6 FPS. Reference: Table 604.3, IPC 2018.]