20150115114800755.pdf13"' January 2045
City of Edmonds Public Works Department
121 - 5th Ave. North
Edmonds, WA. 98020
Re: Plan Check # BLD 20140613
622 Bell Street — Phoenix United 4-plex
Attn: JoAnne Zulauf — Engineering Division
This is a response to your correction letter of November 12"' 2014. for the above noted
project along with our discussion at the city January 7 th 2015. The responses are shown
per the Ws shown on the letter. The responses marked "done" are not included. Some
additional notes have been added to address comments. Several revisions have been
made in drafting mainly to sheet 3 to present a plan that is more clear and readable.
4. Note added to cover sheet "A separate right-of-way construction permit ...... ..
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6. The landscaping plan revised to show revisions with the 30-foot entrance.
STORM DRAINAGE
7. The drawing has been revised and printed on the proper scale.
8. The handout E72 is enclosed. The proposed impervious surfacing is 5893 sq. ft.
9. A revised Stormwater Report is attached.
10. Revised calculations for detention are included using WWHM 2012
SHEET 1 OF 2: EROSION CONTROL AND GRADING PLAN
12. A detail has been show filter fabric protection for the alley catchbasins.
The Construction Notes have been revised as requested per the following:
2. The revised detention calculations required a revision to the pipe lengths and the
plans show 42 and 54 foot sections totaling 96 feet of the 30-inch detention pipe.
3. Plan revisions shoe a 12-inch catchbasins have been shown in both of the alley
driveways.
4. The note has been revised for the correct wording.
5. Detail E 5.3 has been removed and the pipe materials noted.
6. Detail E 5.3 is added here.
7. Revised as necessary
8. The design has been revised to show catch basin in both driveways and connected
directly to the 48-inch basins # 2 and 3.
11. All meters are shown a 3/4-inch. They will revised to 1-inch if the fire department
requires the units to be sprinkled.
12. The driveway approach form Bell has been revised to 30 a width.
13. The landscaping strip is shown
18. The pipe is shown as concrete and an Inserta Tee is noted.
23. An invert for the sewer main has been added
24. The sleeving has been increase to 20 feet as required. The water line have been
relocated to cross the middle of the sleeve. It should be installed at least 18 inches
below the sewer line per city's requirement in #E86.
Additional notes 25, 26 and 27 have been added to detail the drainage engineers
requirements.
18, A concrete slab is noted for trash enclosure surfacing.
22. The trench drains have been removed and catch basin added.
23. Rim elevations have been revised to match.
25. Existing catch basin Grate and invert are shown on revise plan.
26. DIP is shown as pipe in Bell street to insure future stability.
27. Type -I catch basin shown in gutter line
29. Footing drains are shown around entire building and are outleting into the
proposed catch basin in Bell Street gutter.
30. The 6--inch cleanout is noted as 12" cast lamphole cover with 112, " hexbolts.
32. Sanitary Sewer connection in alley has a call invert noted. The 6-inch side sewer is
designed with 1.5% slope. See special note requiring existing invert elevation
verification.
33. The crossing has a 20-foot sleeving as required.
SHEET 4 OF 5: FRONTAGE IMPROVEMENT'S
34. The Frontage Improvement Plan has been revise for clarification. The propose
street trees, 2-foot sawcut lines, sidewalk widths, utility locations and -various
other item are noted.
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37. Tree removal is shown on the Erosion Control and Grading Plan. The two street
trees are shown on the plan with proper grating. The species are noted on the plan.
A revised DRAINAGE & DETENTION DESIGN NARRATIVE and Requirements for
Small Sites Category # 2 Development is attached which clarifies most of the issues
requested. The revised detention calculations are also enclosed for Minimum
Requirement # 7 changes. The second page of the Requirement for Small Sites is
enclosed which appears was misplaced in a pervious submittal. Notes have been added to
the plans for soil composting and pavers runoff collection. The pavers detail has been
removed. A special existing sanitary sewer invert elevation verification note has also
been added.
The following enclosures are noted:
* Drainage Detention Design Narrative I page)
* Requirements for Small Site Category # 2 Development 2 pages'
* WWHM 2012 Detention Calculations Printout ( 4 pages
* Stormwater Worksheet E72 ( I page )
® ResizinR Detention Pipe Length for Catchbasin Volume ( I page
* Design Sheets 1, 2, 3, 4 & 5 ( 24 x 36 ")
Respectfull Submit�ed
.. .. .. ....
R. Michael Spazo PE
RMS Engineering
1 ,, M 111i isi 2 0 8 \1, // k', WA Q�,,,'020