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Correspondence April 9, 1997 CITY OF TIGARD OREGON Oregon Electric Group Attn: Milton J. Plews 1010 SE 11th Avenue Portland, OR 97214 -2507 Project: Providence Health Clinic Subject: Electrical Plan Review The plans submitted were reviewed for conformity with the 1996 National Electrical Code (NEC) and the State of Oregon Electrical Specialty Code. The following was noted: • 1. The 1996 NEC is the minimum electrical requirement. 2. The service equipment (MDP) to have buss rating that exceeds fault current projections. The secondary (subpanels) equipment to have series fault current listing with MDP. -- 3. The service grounding per NEC 250 requires use of Ufer (Rebar) ground. The additional bonding requirements will connect water lines and building steel. 4. NEC 517 -14 requires panelboard ' bonding of continuous insulated copper conductor in patient treatment areas. This requirement is also covered in NEC 517 -50. Please contact Michael Rudd at 503 - 639 -4171, x356, to discuss the electrical notes. Thank yo or yo coo eration Michael Rudd Electrical Inspector • c .�.n.nrts,_m me 13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772