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May 13, 19E2 <br />Dan Olaon <br />KoU Contractor Company <br />2021 - l32 Ave. N.E. <br />Redmond, WA 9EOS2 <br />Subject: PubUc Works Permlt 081-229 <br />O'Donnell-&Igham Pro)ect <br />Dear Ma Olson� <br />1 <br />r •' <br />� ' , :' f.' , �j <br />Y.� � <br />4� T' • <br />,r.�r. <br />± "r�, <br />� <br />i � <br />�..._.._.__..r <br />Have completed the review of the storm sewer system and found the following <br />items r.eed attentlons <br />Bldg. 8 - 34" C.0. south of parking lot. <br />� a expose lT' culverts and clean to manhole <br />b. Inlet at south edge oi parking lot, this wit ha� not been lnetalled. <br />Please install this unit or provide a profeulonal englneer'n <br />, atatement as why It was not necessary. <br />l6th St. - West stde, existlng Inlet, grout new Interlor penetrations <br />lnto lnlet. Clean and treat all surfaces to lnsure a good bond. <br />East slde, existing [nlet, scale loox grout and reapply as above. <br />Bldg. 1 I - Nortfieast cornr.r - Conuol manhole, attach lllt gate chaln <br />pK detall <br />BIEg. 12 - a. Conuol manhole oif of Northeast corner, same as 81dg. l 1. <br />b. Inlet off of Northeast comer on 73th Street S.W. Grout <br />new penetraUon to exisdng inlet. <br />Drlveway unit off of Northeast corner. Thls unit has not <br />been In�talled. [natall or provlde statement irom a professionnl <br />engineer ahy It Is not requlred. <br />Bldg. 13 - Catch basln off of Northweet corner, same as Bldg. l l. <br />RegarAing the newly Installed french dra(n system o� the south properq llne. <br />PJeex submit tor approval e plan ot the aor'< mtalled. <br />Please provide IocWng Iidi for ali "Control Manholes" ae ehown on the detall. � <br />At the Southcaet property corner, bring to gredc the cxisdng sanftary sewer <br />manhole cover. <br />J <br />