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• <br /> 410 <br /> Response: Contributing Area Figure included as Figure 5 <br /> v. The report states that perched groundwater was discovered at a relatively shallow <br /> depth.Will floatation be an issue when the vault empties but the groundwater level <br /> remains high? <br /> Response: Buoyant force has been added as appendix G in the Drainage Report. <br /> vi. Ensure that the access requirements in the DCSS are met when the internal wall is <br /> considered.This may need an additional access point over ends of the"V" bottom. <br /> Response: Please see the Final Plan Sheet C4.06,additional access points have been <br /> included and the access meets the requirements in the DCSS. <br /> vii. See the attached structural design vehicle loading for the detention vault. Our policy is <br /> to have the capability to bring COE trucks onsite to vactor the vault if the owner is not <br /> maintaining it.You will need to submit structural calculations, but this can be deferred <br /> to construction. <br /> Response:The contract documents require the vault to be designed to HS 25 Live Load <br /> and Fire Truck outrigger of 43,000 pounds in accordance with the City's stormwater <br /> manual requirements.The vactor truck loading requirements will be provided to the <br /> contractor for incorporating into the vault design.Structural calculations will be <br /> submitted during construction. <br /> b. Grading and Drainage Plan Comments <br /> i. Revise labels that are cutoff on the drawing.One label appears to show the connection <br /> to the private storm pipe at 2510 Casino Rd. <br /> Response: Labels have been revised,please see Final Plans. <br /> ii. There is a cleanout and SDMH that are not connected to anything. <br /> Response:There is an existing storm pipe on the north side that serves the roof drains <br /> that the proposed system will connect to. <br /> iii. Label the existing detention pipe at the north end of the site. <br /> Response:A label has been added for the existing detention pipe. <br /> iv. Drainage Details(C4.04)—The orifice diameters in the drawing do not match the model. <br /> Also,the drawing only shows two orifices. <br /> Response:The Drainage Report and WWHM model have been updated,and the <br /> information on the final WWHM report and detail on sheet C4.04 match. <br /> 3. The comments below were generated from this project's Planning Reviewer. If you have any questions <br /> regarding these comments, please contact Grace Pollard with the City of Everett Planning Department <br /> (425-257-8731 or GPollard@everettwa.gov). <br /> a. Per EMC 19.35 Footnote#1 of Table 35-1, all public right-of-way behind the sidewalk shall also <br /> be landscaped to Type III standards.Additional trees are not required in the portion of the <br /> landscaping in public right-of-way. <br /> Response: Plant material(trees,shrubs and groundcover)exists within the right-of-way of <br /> Kasch Park Road (see attached photo).We added additional shrubs and groundcover where <br /> plant material has failed to meet the requirements of type Ill landscape standards. We added <br /> O3200 Cedar Street © 425.257.8810 O everetteps@everettwa.gov <br /> Everett,WA 98201 425.257.8857 fax everettwa.gov/permits <br /> Page 3 of 4 <br />