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20170714165914.pdfGASLINE MECHANICAL 9926 ELLIOTT RD SNOHOMISH, WA 98296-5022 DATE: July 12, 2017 TO: Chuck Miller City of Edmonds — Building Division FROM: Darren Neubauer — Gasline Mechanical PROJECT. Pt. Edwards Building 10 BLD2017-0499 — 2nd review SUBJECT- City of Edmonds Building Division Dated July 6th, 2017 DISCUSSION: R E"S U B JUL 13 2017 BUILDING DEPARTMENT CfTY OF EDMONDS The purpose of this memo is to provide narrative responses to subject plan check comments. Gasline Mechanical responses to comments are in BOLD PRINT. MECHANICAL & ENERGY On sheet M001 — Schedules: 4. Split System Heat Pump Schedule — Indoor Unit — FCU-1 — Clarify on the plans the specified minimum 'OSA' to be provided for the 'Exercise Room'. It does not appear to meet the minimum requirements of International Mechanical Code (IMC) Table 403.3.1.1. Response: OSA increased to accommodate 40 ppl/1000 sf of usable floor area. Ref sheet M001. On sheet M206.W — Roof Plan West: 65. Roof Plan West — Clarify on the plans the 'vent hoods' protecting the termination point of various exhaust outlets and ducts represented at the following locations: 11 'Gridline''16/J.5'— near'RTU-512' 11 'Gridline''l 5/H.6'— near'RTU-51 0' 11 'Gridline''l 3.9/J.3'— near'RTU-1' 11 'Gridline''l 3/H.6'— near'RTU-509' Li 'Gridline' '12.9/J.3'— near'RTU-509' 11 'Gridline''l 1/J.3'— near'RTU-507' They do not appear to meet the required minimum distance from the mechanical air intake of the adjacent rooftop mechanical units (RTUs) per IMC 501.3.1, Item 3. Page 1 of 2 Response: With the exception of RTU-1, no units pull outside air. The OSA intake for RTU-1 has been extended to pull from outside of the 10' limit from the exhaust hoods. Ref M206.W On sheet M301 — Enlarged Unit Plans: 66. Plan 4 — Unit A3 — Roof — Enlarged Unit Plan - Clarify on the plans the specified whole house ventilation rate for fan 'EF-1'. It does not appear to meet the required minimum ventilation rate per IMC Table 403.8.1 for the represented floor area/number of bedrooms. Response: Ventilation rate changed. Ref sheet M301. END OF MEMORANDUM Page 2 of 2