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Correspondence 411.60 luaii January 22, 1998 Sheeler Refrigeration, Inc. CITY OF TIGARD 3961 North Williams Avenue OREGON Portland, OR 97215 RE: Safeway #4383 Mechanical Plan Review 250 Tigard Plaza PC #: 01 -19c MEC #: 98 -0016 Submittal documents for the above referenced project have been reviewed for conformance with the applicable 1996 Oregon Specialty Codes and other applicable codes and standards. The following comments are noted: • MEC.tiAIVICAL '•`;:: :'.: 1. Provide engineering showing the mezzanine will support all loads imposed. Documentation shall take in account snow loads, vertical, and horizontal loads and seismic restraints. OSSC, Chapter 16 and OMSC, Section 1125. 2. Drains, overflows and blowdown provisions shall have indirect connection to an approved sanitary sewer. Provide details. OMSC, Section 1125.4. 3. Water supplies and backflow protection shall be required. Provide details. OMSC, Section 1125.3. 4. The equipment shall be provided with a vibration switch to shut fans off operating with excessive vibration. The equipment shall also be provided with lighting protection. PLUMBING / ELECTRfCAL ::< >; :: ::::. ;::::; . 1. Separate permits shall be required. Please submit two copies of revised submittal documents and a letter indicating your response to the above comments for review. Please call me at (503) 639 -4171 if you have any questions. Sincerely, w•J Ro ert Poskin, CBO PLANS EXAMINER 13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772 January 27, 1998 M I L L E R CONSULTING Steve Jefferis ENGINEERS Shepler, Inc. PO Box 12146 Portland OR 97227 RE: Safeway Store #383, Tigard, Oregon New Cooling Unit MCE Project No. 980041 Dear Mr. Jefferis: At your request, Rob Aman of Miller Consulting Engineers, Inc. performed a visual structural site observation of the subject project. The purpose of this site visit was to observe any structural deficiencies at the location for the new cooling unit. Per a phone conversation between Mr. Aman and Mr. Jefferis, the new cooling unit will replace the existing cooling unit, and will be placed precisely at the same location. The existing cooling unit is located on a structural concrete slab at the second floor mezzanine in the northeast corner of the store. Per information provided by you, the new cooling unit operating weight of 4600 pounds is less than that of the existing cooling unit weight of 5050 pounds. In addition, the new and existing cooling units have essentially the same overall dimensions. Based on this information, the existing structural slab will be adequate to support the new cooling unit. However, the new cooling unit will require anchorage to the structural slab for seismic loading requirements. See the attached calculations and detail sheet for anchorage specifications. If you have any questions regarding these issues please call me. Respectfully, MILL j . R CONSU: T G EN NEERS, INC. il,nd T. Mi le , P.E. President RTM:raa Enclosures _ 9570 SW Barbur Blvd., Suite 100 Portland, Oregon 97219 -5412 Phone 1503) 246 -1250 Fax (503) 246 -1395 American Consulting d Engineers Council