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Correspondence nT� M MIMI NM • ti fi � ti fi ti • HEATING & AIR CONDITIONING Main Office: P.O. Box 1265 • 6990 S. Anderson Rd. • Canby, OR 97013 • 266 -1249 • FAX: 266 -3478 Newberg Office: 2410 E. Hancock • Newberg, OR 97132 • 538 -1949 Don Roth, President Kory MacGregor, Manager, Vice President Karlene MacGregor, Secretary CS‘v S° RE A :. � kl Robert Poskin, CBO A DE \‘ .C1? D � 1 Senior Plans Examiner Dp�;n� 13125 SW Hall Blvd. Tigard, Or. 97223 Letter of response PC #: 8 -22c / 23c / 24c Mech. #: 98 -0333 / 0334 / 0335 1. Structural engineering is attached. 2. Ventilation specs have been added to plan. A. Occupancy load for ventilation is on plan for each tenant space. • B. No modification necessary. The damper is located on the roof and will be set by installer. C. The heating energy requirements for 120 cfm of fresh air in a three ton system is going to be minimal. D. Honeywell T7300 thermostats will be installed and set for continuous fan operation in the occupied mode. 3. each unit will be labeled with the space # it serves. 4. None of the areas being served have mechanical systems that move air in excess of 2000 cfin. If you have any questions please call me at 209 -5341. • Thank you Sincerely, Roger Ediger Roth Heating and Air Conditioning. LENNO Member: Association of General Contractors, Association Air Conditioning Contractors of America, National Federation of Independent Business, Canby Area Chamber of Commerce. Newberg Chamber of Commerce, Molalla Chamber of Commerce /4114 August 13, 1998 CITY OF '11GARD OREGON Roth Heating PO Box 1265 Canby, OR 97013 RE: All Star Travel, Fireplaces & More, Allstate Ins. Mechanical Plan Review 11945 SW Pacific Hwy, Suites 215 & 228 PC #: 8- 22c/23c/24c MEC #: 98 -0333/0334/0335 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: I MECHANICAL 1. The attachment of permanent equipment (HVAC) supported by the building's structural components shall be designed to resist the total design seismic forces prescribed in Section 1603.2 of the Structural Specialty Code. Provide an engineer's design specifying attachment requirements [OSSC, Section 106.3.2 and OMSC, Section 304.4]. 2. Where required by OSSC, Section 1202.2 natural ventilation or a mechanically operated ventilation system capable of supplying occupancy air in accordance with OSSC, Table 12 -A shall be provided. When proposing to use the economizer of the HVAC system with the outside air damper set to stay partially opened to provide occupancy ventilation, the designer shall: A. Document within the construction plans the anticipated occupancy load for the design of the occupancy ventilation system and, B. Provide detail of the modification to the HVAC economizer that will • prevent the building operator from adjusting the air damper to a fully closed position at any time and, C. Provide design specifications for the additional energy requirements resulting from the air damper being partially open during the heating cycle and, D. Specify on the plans that the system shall operate during such times the building or space is occupied. i. Provide outside air specifications on revised plans. 13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772 • i All Star Travel, Fireplaces & More, Allstate Ins. Mechanical Plan Review PC #: 8- 22c/23c/24c BUP#: 98- 0333/0334/0335 • Page #2 3. Each individual roof - mounted HVAC shall be permanently labeled as to the areas it serves [OMSC, Section 305.5]. In addition, each unit shall be equipped with a power disconnect. A 120 -volt receptacle shall be located within 25' of each unit [OMSC, Section 309.1]. 4. Air moving systems (combination of units), supplying air in access of 2000 CFM to enclosed spaces, shall be equipped with an automatic shut -off. The smoke detectors shall be supervised when a fire detection or alarm system is provided [OMSC, Section 608]. 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, api-j/46 ert Poskin, CBO • SENIOR PLANS EXAMINER • • • • • •