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INTERWEST-EVERETT CONTRACTOR'S YARD SITE IMPROVEMENTS <br /> SANITARY SEWER PUMP CALCULATIONS <br /> 11 l <br /> From: Arnie Roshak <ARoshak@everettwa.gov> <br /> Thu a Feb 12019 Sent rsd ruary 2 , 3:57 PM <br /> To: Ray Johnsony, <br /> Cc: Sabrina Fandler, David Fillmore;Kathy Hargrave <br /> ISubject: RE:Connection to the existing 48 inch South End Interceptor <br /> Follow Up Flag: Follow up <br /> Flag Status: Flagged <br /> 1 <br /> HI Ray, <br /> The South End Interceptor is pressurized at this location. Operating pressure is in the range of 15-22 psi. I also got some <br /> feedback from Maintenance and they asked that both a check and isolation valve(gate or plug)be provided at the 6"FM <br /> connection to the SEI. <br /> IThanks, <br /> I <br /> CELE3RATING oshak� .E <br /> l 2 5 Associate <br /> ArnieR EngineeP .r I Public Works-Utilities Engineering <br /> A 425.257.7249 13200 Cedar St.,Everett,WA 98201 <br /> A story wort,telling everettwa.&ovJoublicworks I Facebook I Twitter <br /> Note:Emails and attachments sent to and from the City of Everett are public-ecords and may be subject to disclosure pursuant to the Public <br /> Records Act. <br /> IFrom:Ray Johnson<rayj@sittshill.com> <br /> Sent:Thursday,February 21,2019 3:40 PM <br /> To:Arnie Roshak<ARoshak@everettwa.gov> <br /> Cc:Sabrina Fandler<SFandler@everettwa.gov>;David Fillmore<davidf@sittshill.com>;Kathy Hargrave <br /> <kathyh@sittshill.com> <br /> Subject:Connection to the existing 48 inch South End Interceptor <br /> Based upon the asbuilt civil drawings for the South End Interceptor,we assume that this pipe is pressurized based upon <br /> the manhole's flanged riser. Please verify. We were directed to connect our forcemain crossing the 80 utility easement <br /> to the capped DI spool located on top of interceptor. If this interceptor is pressurized,we need to understand what that <br /> is in order to design the 6"DI connection and the Penske onsite temporary sanitary sewer forcemain system. <br /> Ray Johnson,A.S.L.A. ■ ,,,_ r <br /> I SITTS & HILL ENGINEERS, INC. <br /> CIVIL ■ STRUCTURAL • sutvEvzr <br /> htto:llvnaw.Silts-h III-engineers.corn/ <br /> I <br /> I <br /> SITTS & HILL ENGINEERS, INC. 5 <br /> TACOMA, WASHINGTON <br />