2013-0090 Mahoney Family Dentistry plbg med-gas.pdf
City of Edmonds
PLAN REVIEW COMMENTS
BUILDING DIVISION
(425) 771-0220
DATE: February 11, 2013
TO: Local Plumbing
satko@comcast.net
FROM: Chuck Miller, Plans Examiner
RE: Plan Check: BLD2013-0090
Project: Mahoney Family Dentistry plumbing/med-gas
Project Address: 21727 76thth Avenue W, Suite G
During a review of the plans for the above noted project, it was found that the following
information, clarifications or changes are needed. Please provide written responses as to where the
changes can be found on the plans, cloud all changes on the revised plans, and submit the revised
plans/documents to a Permit Coordinator. Thank you.
On page 1:
1.General Notes Note #1 Provide a listing or approval for the use of Ridgid Pro-Press
fittings in lieu of brazed fittings for a Level 3 distribution system per NFPA 99 section
5.3.10.9(2).
2.General Notes Note #2 Designate the room to be used as the source of compressor intake
air that meets the requirements of NFPA 99 section 5.3.3.5.7.1.
On page 2:
3.Provide the Waste Anesthetic Gas Disposal (WAGD) system, installed to Level 1
requirements, serving areas where nitrous oxide is intended to be administered per NFPA 99
section 14.3.5.2.
4.Indicate that the anesthetizing locations are required to also meet the requirements of NFPA
99 section 13.4.1, including the ventilation system (per sections 6.4.1 & 6.6.1), and the
installation of battery-powered emergency light units.
On page 4:
5.Clarify the use of 1-1/2 vent piping after the branch serving the lavoratories in OP5 and
OP6, the lab sink, and the washing machine join with the branch serving the lounge sink,
the dishwasher, the staff restroom lavoratory and waste closet, and the patient restroom
waste closet. The maximum unit loading for 1-1/2 vent piping is 8.