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Saturday 0 250 40 2567 Church S <br /> Sunday 3 0 0 45 <br /> Surge Tank Sizing <br /> Column A B C <br /> INFLOW OUTFLOW CUMULATIVE <br /> STORAGE VOLUME <br /> Projected Sewage Surge[gallons] <br /> g llong Tank [gallons] <br /> Heading Flow ] <br /> [gallons] <br /> Calculation See Sizing Table Up to 2,500 gpd for a C-I permit =C[previous row]+A-B <br /> Monday 30 30 0 <br /> Tuesday 60 60 0 <br /> Wednesday 160 160 0 <br /> Thursday 30 30 0 <br /> Friday 60 60 0 <br /> Saturday 2,567 2,500 67 <br /> Sunday 45 112 0 <br /> Maximum Storage Volume Required 67 <br /> FYI—for this Church/denomination,the primary service occurs on Saturdays. Please let me know if you have any <br /> questions at this time. <br /> Christopher Cotton, PE I Project Engineer <br /> Valley Science and Engineering —a Valmont company 13511 Pacific Blvd SW I Albany,OR 97321 USA <br /> Phone +1 541.812.6625 I Mobile 541.220.0189 <br /> christopher.cottonOvalmont.com I www.vallevirrigation.com/se <br /> From: Aidan Bammes<ABammes@co.marion.or.us> <br /> Sent:Tuesday, August 8, 2023 8:44 AM <br /> To: Cotton, Christopher S. <Christopher.Cotton@valmont.com>; kwtexcavation@aol.com <br /> Cc: Kimberlee Aldrich <KAldrich@co.marion.or.us> <br /> Subject: 5575 Fruitland Road NE - Church <br /> Tyler and Chris, <br /> Here is what I have worked up so far regarding the church in East Salem. <br /> As you notice, the flow numbers are >2500 gallons per day, I cannot permit something with that much <br /> flow without attenuation /timed dosing. <br /> Chris, if you could please put together a narrative describing how you calculate the design flow <br /> including any attenuation techniques if you decide to use them, otherwise I will likely need to pass this <br /> project to Oregon DEQ. <br /> Thank you, <br /> 2 <br />