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Correspondence Dan Nelson From: ty bilyeu <tybpureair @hotmail.com> Sent: Wednesday, July 25, 2012 12:29 PM To: Dan Nelson Subject: boardwalk burgars Permit# 2012 -00344 Ty Bilyeu Pure Air Co. ccb 135328 Boardwalk Burgars 12282 SW Scholls Ferry RD. Suite A Scope of Work: Work to be preformed, the existing gas line is 1/2 lb. service. Do to the amount of gas Appliances under the hood, the gas line will need to be upgraded to a 21b. system. The total # of BTU for the building will be 800,000 btu, the longest run goes to the roof top unit, its 125 feet. Under the hood there are 4 fryers © 110,000 btu and 1 48" griddle @120,000 btu and 1 36" griddle @ 90,000 btu. The roof top unit is 150,000 btu. Each piece of equipment will get its own regulator to meter the gas back down to 1 /21b. Once all of the changes are made to the gas line, the line will be retested at 60 lb. Table C402.4(3) 21b. 1 1/4 pipe @ 125 feet = 3,140x1050= 3,297,000 btu's available. The NW Natural is working on the meter upgrade. City of Tigard Approve • Plans By Wok Date REVISION Approved plans shall be on job site. OFFICE COPY 1 July 19, 2012 RE: COMMERCIAL EXHAUST HOODS Protect Information Building Permit: MEC2012 -00344 Occupancy Type: M Tenant Name: Boardwalk Burgers Construction Type: 5B Address: 12282 SW Scholls Ferry Stories: 1 The plan review was performed under the State of Oregon Mechanical Specialty Code (OMSC) 2010 edition and The Oregon Fire Code 2010 edition Ducts exposed to the outside atmosphere shall be protected against corrosion in an approved manner. 506.2 OMSC A Performance Test shall be conducted upon completion and before final approval of the installation of the ventilation system. The performance test shall verify the rate of airflow to be in compliance with the approved plans. 507.17 OMSC The exhaust and make -up air system shall be electronically interlocked to ensure that the make -up air is provided whenever the exhaust system is in operation. 508.1 OMSC An automatic fire suppression system shall be provided to protect the surface of the heat - processing appliances and the exhaust system serving the appliances. 509.2 OMSC Ductwork shall be supported in accordance with Sheet Metal & Air Conditioning Contractors National Association, Inc. (SMACNA) Appliances shall be accessible for inspection, service, repair or replacement without removal of permanent construction. 306.1 OMSC Appliances installed on roofs or elevated structures exceeding 16 feet in height shall be provided with a permanent means of access grade or floor level. 306.5 OMSC Condensate from cooling coils or evaporators shall be collected and discharged to an approved plumbing fixture or disposal area. 307.1 OMSC Exhaust fan mounting An upblast fan shall be hinged and supplied with a flexible weatherproof electrical cable to permit inspection and cleaning. The ductwork shall extend a minimum of 18 inches (457 mm) above the roof surface. OMSC 506.5.3 Supports Type I hoods shall be secured in place by noncombustible supports. All Type I and Type II hood supports shall be adequate for the applied load of the hood, the unsupported ductwork, the effluent loading, and the possible weight of personnel working in or on the hood. OMSC 507.6 Compensating hoods Manufacturers of compensating hoods shall provide label indicating minimum exhaust flow and /or maximum makeup airflow that provides capture and containment of the exhaust effluent. OMSC 508.2 • All deep -fat fryers shall be installed with at least a 406 mm (16 in.) space between the fryer and surface flames from adjacent cooking equipment. 12.1.2.4 • Where a steel or tempered glass baffle plate is installed at a minimum 203 mm (8 in.) in height between the fryer and surface flames of the adjacent appliance, the requirement for a 406 mm (16 in.) space shall not apply. 12.1.2.5 When submitting revised drawings or additional information, please attach a copy of the enclosed City of Tigard, Letter of Transmittal. The letter of transmittal assists the City of Tigard in tracking and processing the documents. Respectfu ly, 1 Dan Nelson, Senior Plans Examiner (503) 718 -2436 dann @tigard- or.gov