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~~~~o~~o <br />D <br />FEB 2 5 1999 <br />MARION COUNTY SUPPORT <br />SERVICES DEPARTMENT <br />February 24, 1999 <br />Mark Young <br />Service and Design Consultant <br />Portland General Electric Company <br />4245 Kale Street NE <br />Salem, Oregon 97305 <br />RE: Transformer Vault Room <br />Courthouse Square <br />Project No. 9828 <br />Dear Mark: <br />, ~.: <br />~~ <br />- . . ,~ ,,~ <br />ARBUCKLE COSTIC ARCHITECTS, INC. <br />_ ~ `~~~~~~~ _..~ <br />j,. -, ~~i? „ 3`;3' <br />..~;`~ ~:'~- ~~1.( r 1 i~`;i3i ., ~;~~ <br />., ,,-„~~_~~a <br />We have received your letter dated January 25, 1999. In it you requested design information for the <br />transfoRner vault room. We note that the requested infoRnation is contained in the complete set of <br />construction documents pricked up from our office on January 21, 1999. <br />Please note the following: <br />1. The vault room plan and profile are shown specifically on the following sheets: <br />A2.2.3, A3.2.1 on cross Section 2, A3.3.2 Section 2, A6.2.3, as well as on <br />Mechanical a~d Electrical Drawings. <br />2. Oil containment is provided by setting the transformer on a housekeeping pad, and <br />providing curbs at the man door as well as the overhead door. An oil sump pit is <br />located just to the southeast of the overhead door. <br />3. Interface Engineering has provided you with additional information regarding <br />ventilation. <br />4. The sill or curb at the ovefiead door will exceed the 6" you request. Reducing the <br />curb height would require one of the following altematives: <br />a. Raising the Sidewalk Curb and Gutter and Parts of the Church Street <br />Paved Surface: This option has already been reviewed by our Civil <br />consultant and is deemed to be unacceptable to the City of Salem Public <br />Works Department. <br />~ <br />