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The comments below were generated from this project's Stormwater Reviewers. All questions shall be routed through this project's Public Works Reviewer <br />Thad Newport with City of Everett Permit Services (TNewportPeverettwa.gov). <br />south, into the 24" pipe in California and continues <br />east across Broadway. <br />4 <br />WWHM <br />Make sure the sizing is for 100% of the 10 year <br />The WWHM calculations have been redone to size for <br />RJK <br />Model <br />through the 100 year storm to size per Section 6.10 of <br />100% of the 10yr through 100yr. See revised WWHM <br />Calculations <br />the DCSS (output on page 2 still has the default of <br />calculations at the end of section D (page 27). <br />50% of the 2 year through the 50 year storm). <br />5 <br />Detention <br />Orifice elevation should be 0.5 ft because it is 6" <br />The orifice and riser have been revised. See sheet <br />RJK <br />Design <br />above bottom of facility to allow for sediment <br />C4.0 and WWHM Report at end of section D of the <br />storage. <br />drainage report (page 27). <br />Riser height does not match plans. Recommend 3.5 <br />ft in the model and set top of riser at elevation 109 in <br />the plans, to provide 6" freeboard from top of <br />detention pipe. <br />6 <br />Civil Plans <br />Detail 1, Dwg C4.0 —elevations are called out for the <br />The detention pipe elevations have been revised to <br />RJK <br />2 and 50 year storm, but the design sizing shall be <br />show the 10yr and 100yr elevations. See detail 1/C4.0 <br />based on the 10 yr and 100 yr storm. <br />Detail 4, Dwg C4.0 - The rectangular notch <br />The notch dimensions have been corrected to feet. <br />dimensions are listed in feet in the model and inches <br />See detail 3/C4.0 <br />in this detail. This is CB#2 correct? Revise. <br />Standard plan 415 is shown, not sure where this is <br />being used. There is already a detail (#4) for the flow <br />Standard Plan 415 has been removed. Detail 3/C4.0 <br />restrictor device and they do not match. Revise <br />will be used for the restrictor device. <br />details to clarify what is being provided. <br />CB#1—can this be moved to the ROW line or closer <br />The detention location has been changed to be under <br />to the ROW? <br />the garage. CB#1 is now located within the alley. <br />Page 3 of 4 <br />