20070222093443.pdfEpi City of Edmonds
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TPPLAN REVIEW COMMENTS
BUILDING DIVISION
�sr 1890 (425) 771-0220
DATE: February 22, 2007
TO: Robert Asmon
Olympus Construction
P.O. Box 50082
Bellevue, WA 98015
FROM: Ann Bullis, Assistant Building Official
RE: Plan Check #2007-0159
Project: Endontics — Tenant Improvement
Project Address: 21911 76cn Ave West, Suite 208
During review of the plans for the above noted project, it was found that the following information,
clarifications or changes are needed. Provide written responses to each comment and where changes can be
found on the plans. Submit revised plans/documents to Marie Harrison, Permit Coordinator.
I. The medical gas room must be 1 -hour fire rated, including 1 -hour walls, I -hour roof -ceiling and 1 -hour
floor ceiling (IFC 3006.2 and NFPA 99C 5.1.3.3.2). This building is Type IIB, therefore the floor -
ceiling and roof -ceiling at the proposed location of the medical gas room are not currently 1 -hour fire
rated. The floor and ceiling must meet IBC 711 for horizontal assemblies. Walls must be constructed
per IBC 706 for fire barriers, which must extend to the underside of the roof deck. Revise construction
section details to show 1 -hour fire rated assemblies as described above. Provide listed and tested
assemblies for the 1 -hour rated floor -ceiling and roof -ceiling.
2. Provide calculation to determine the minimum cfm for the ventilation system (IFC 3006.2). Dimension
the height of the medical gas room so the cubic feet of the room can be verified.
3. Provide calculation showing that the ventilation system for the room will operate at a negative pressure
in relation to the surrounding areas. (IMC 502.8.2)
4. The ventilation ducts must be enclosed in a 1 -hour shaft enclosure from the room to the exterior. The
proposed duct wrap is not an approved method in the IBC to provide a continuous 1 -hour shaft
enclosure.
5. Show the location and label equipment for the medical air and vacuum systems. These systems are
regulated as medical gas systems per UPC Chapter 13 and will be included in the medical gas permit
below (see below for submittal requirements). .
6. A portion of the customer/reception counter must be accessible from the waiting room side where
patients check in. Provide a detail of the height, width and depth. ICC/ANSI Al 17.1 Section 904
7. Label all fixtures and equipment on the plans.
8. Please be aware that cross -connection control assemblies will be required on connections to the potable
water system to prevent contamination. Common equipment/fixtures where this is required in dental
offices are at the autoclave, washer/disinfector, cuspidor, sterilizer, etc. which will require Reduced
Pressure Backflow Assemblies. This information must be included with the deferred plumbing permit
submittal.
9. Show the accessible maneuvering distances and clear floor spaces at doors 3, 5, & 12 (see enclosed
handout).
10. Publication 201 by the NW Wall and Ceiling Bureau appears to be no longer valid on their website due
to the requirements in the IBC. Non-bearing walls must be anchored to the roof deck to resist lateral
movement per IBC 1621.1. Provide new detail.
11. Mechanical ventilation will be required for the tenant space and is listed as a separate permit below.
12. List all Separate Permits on the coversheet of the plans. Separate permits are required for:
a. Plumbing (plans required — see City handout for submittal requirements)
b. Medical Gas System (see below for minimum submittal requirements)
c. Fire Sprinkler system alterations, including sprinklering the med gas room (plans required ---
see City handout for submittal requirements)
d. Fire Alarm system alterations (plans required — see City handout for submittal requirements)
e. Mechanical/HVAC (plans required — see City handout for submittal requirements)
£ State Electrical Permit (Obtain from Labor and Industries)
MEDICAL GAS (AIR & VACUUM SYSTEMS):
Permit submittal requirements:
❑ Provide 2 sets of plans showing the piping layout, alarms, valves, user outlets/inlets, piping
materials.
❑ Provide manufacturer's information for dental compressor and vacuum system.
❑ Provide copy of contractor's L&I medical gas installer license.
❑ Third party system verification is required per UPC/WAC 1331.0 and 1331.2 (code requires
that testing shall be performed by a party other than the installing contractor or material
vendor). Provide name of third party verifier and their qualifications.
❑ A condition of the permit will be that the installer's report and third party verifier's report be
submitted to the Building Official prior to final inspection and use of the system.
Page 2 of 2
Chapter 4. Accessib€e Routes
18
ICCJANSI All 7-1-2003
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Fig. 404.2.3.1
Maneuvering Clearance at Manual Swinging Doors
610