BLD20161717_Geers_ENG2.pdf
CITY OF EDMONDS
PLAN REVIEW COMMENTS
ENGINEERING DIVISION
(425) 771-0220
City Website: www.edmondswa.gov
June 5, 2017
DATE:
April 11, 2017
TO:Jeff Geers
jeffgeers@outlook.com
FROM:Mitch Boyd,Stantec Consulting Services
@edmondswa.com
Mitch.Boyd
RE:Application #: bld20161717
Project: Geers-Single Family Residence
th
St SW(Parcel #27033600109800)
Project Address: 9401 234
During review of the above noted application, it was found that the following information,
corrections,or clarifications are needed. Reviews by other divisions, such as Planning, Building, or
Fire may result in additional comments. Please submit three (3) sets of revised plans/documents
with a response letter addressingeach of the items below.
nd
Resubmittals can be made at the Development Services Department on the 2floor of City Hall.
Permit Center hours are M, T, Th & F from 8am-4:30pmand on Wednesdays from 8:30am-noon.
City of Edmonds handouts, standard details and development code can be referenced on the City
website; edmondswa.gov.
All bold comments were authored June 5, 2017.
Sheet 1 of 3 –SITE PLAN, & DRAINAGE
OK
1)
Show footing drain line around perimeter of foundation and specify pipe material, pipe lengths,
invert elevations, and pipe slopes.
OK
2)
Revise dimensions of raingarden to equal proposed bottom area of 124 SF.
Please provide the invert elevation of the modular block wall footing drain at the modular
3)
block wall and at the discharge location.
Show proposed drain line for the modular block wall including pipe size, pipe material, pipe
lengths, pipe slope, and proposed outfall.
Sheet 2of 3–GRADING, SWPPP& TESC
OK
4)
Specify sediment controls to be used to meet Element #4 of the SWPPP and provide standard
details.
OK
5)
A silt fence is required. Show location of silt fence on plans and provide standard detailE1.1.
OK
6)
Contractor shall maintain access to adjacent properties via the private lane. Provide onsite
construction entrance so that trucks can stage off of the lane for loading.Provide standard detail
for construction entrance, standard detail E1.2.
OK
7)
Show fencing around proposed bioretention area and do not allow compaction of proposed
bioretention area.
OK
8)
Show existing sanitary sewer line for existing residence to the east.
OK
9)
Showtheinvert elevation of sanitary sewer line at north EX SSMH.
OK
10)
Specify proposed sewer pipe material.
OK
11)
Specify sewer invert elevation at connection to main, property line and within 2 feet of house.
OK
12)
Show sewer cleanout locations at property line and within 2 feet of house.
OK
13)
Change the line type for the proposed 8” sewer line between the two existing SSMHs and label
the sewer line with pipe size, pipe material, invert elevations, and pipe slope.
Sheet 3 of 3 –NOTES AND DETAILS
OK
14)
Fire sprinkler system requires a 1” meter and 1.5” service line. Correct water meter size, service
size and service provider on sheet 3.
OK
15)
Show proposed water main tap location, proposed disturbance area for the street cut, and
provide a detail for the backfill and restoration of the right-of-way.Please include standard
detail E2.3 on the details sheet
Page 2of 5
OK
16)
Specify the depth of the water service line.
OK
17)
Specify the depth of theproposedsewer service line where it crosses the water service line.
OK
18)
Revise the driveway transition zone detail to specify the final slope of finished grade.
OK
19)
Specify the rock type and sizerequired for the bioretention inlet and the size of the rock pad.
OK–Footing drains now discharge to a proposed drywell
20)
Based on the minimum dimensions required for the foundation footings and the proposed
finished floor elevation, it does not appear that the bioretention pond will be able to collect the
footing drain lines. Provide footing drain invert elevations at the house, pipe lengths and slopes
and the invert elevation of the bioretention pond inlet and bottom.
OK–Footing drains now dischargeto a proposed drywell
21)
Based on the minimum dimensions required for the garage slab and drainage, it does not appear
that the bioretention pond will be able to collect the garage footing drain lines. Provide footing
drain invert elevations for the garage slab, pipe lengths and slopes.
Please provide copies of the easement for utility installation and access.
22)
Provide copies of the easement for utility installation and access to the proposed residence.
OK
23)
Specify proposed restoration of private lane and easement at the end of construction.
OK
24)
Correct the title of sheet 3 from“DETIALS” to “DETAILS.”
Please provide written confirmation from OVWSD.
25)
Olympic View Water and Sewer District(OVWSD)are the purveyors of water and sewer for
this property. Please provide written confirmation from them stating they have reviewed the
proposal and have no issues with the proposed location of the utilities.
OK
26)
If the Fire District requires sprinkling in the residence, a larger water meter may be required.
Check with OVWSD.
OK
27)
Please revise Utility Note to state “All existing and proposed utilities serving the property will
be placed underground.”
OK
28)
Page 3of 5
Show the location where dry utilities will enter the site and where they will enter the house.
OK
29)
Add the following note to plan stating “Allutility separation requirements will be met per
industry standards.”
Please complete the Special Inspection Agreement
30)
Please complete and return the attached Special Inspection Agreement for the “soils
professional” per note on plan to confirm soil type in trench bottom.
ADDITIONAL COMMENTS
31)A Stormwater Covenant is required to be recorded against the property based on the
proposed stormwater facilities for the project. Please complete the covenant, including
notarization and any required exhibits and submit to the city. The document must be
complete, but will not be recorded prior to permit issuance. Prior to construction final
location of facilities are to be verified (by field inspection and asbuilt) and then the
covenant will be recorded.
Provide the drywell inlet IE to verify slope for footing drains
32)
The SD between the bioretention and the house does not have appropriate cover. The
33)
finished grade at the house is approximately 379 and the IE of the SD is 378.9. Please
revise.
Please remove the silt fence in front of the construction access. Also, silt fence is not
34)
required upstream of the property (along north and west property lines).
Please provide a north arrow and scale onall drawings.
35)
Please relocate the inlet IE callout on the bioretention detail.
36)
Provide proposed grades. Ensure the proposed grades are of a different linetype than
37)
existing grades.
Please relocate the proposed water service connection point. The water service currently
38)
connects into a proposed post.
Please also see attached comments provided by the City of Edmonds Stormwater Engineer.
Page 4of 5
Stormwater Review
Date of Review: May 15, 2017
th
File/Address:BLD20161717 / 9333 234St SW
Reviewer: Robert C. Edwards,PE, Stormwater Engineer, City of Edmonds
Background
This is classified as a Category 1 Small Site Project because it creates/adds impervious area more
than 2,000 SF and less than 5,000 SF.
Category 1 Small Site Projects are subject to Small Site Minimum Requirements 1, 2, 3, 4, and 5
Minimum Requirement #1 –Preparation of Stormwater Site Plan
Comments: None, previous comments addressed
Minimum Requirement #2 –Construction Stormwater Pollution Plan
Comments: None, previous comments addressed
Minimum Requirement #3 –Source Control of Pollution
Comments: N/A per SFR
Minimum Requirement #4 –Preservation of Natural Drainage Systems
Comments: N/A per LID
Minimum Requirement #5 –Onsite Stormwater Management
Comments:
1.Small Scale PIT: Provide 15-minute records per DOE SWMMWW. This comment has not
been addressed.
Minimum Requirement #7 –Flow Control
Comments: Flow control by LID
Minimum Requirement #8 –Wetland Protection
Comments: N/A
Minimum Requirement #9 –Operation and Maintenance
Comments: None
Minimum Requirement #11 –Financial Liability
Comments: N/A for SFR
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