bld20120662_Echelbarger_ENG2.pdf
City of Edmonds BLD20120662
TH
121 5 AVENUE NORTH EDMONDS, WA 98020 • (425) 771-0220 FAX(425) 771-0221
Website: www.ci.edmonds.wa.us
PUBLIC WORK DEPARTMENT
Planning • Building • Engineering
Engineering Plan Review Comments
Permit Application :Date:
# BLD20120662 October 23, 2012
Project Name/Address:
Echelbarger – 1052 Alder St
Contact Person/Address, Fax or E-mail:
Echelbarger
Reviewer: JENNIFER LAMBERT Division:
ENGINEERING
During review of the subject submittal, it was found that the following information, corrections, or
clarifications would need to be addressed. All Handouts referred to in these comments can be accessed at
our website: www.ci.edmonds.wa.us under City Government / Development Services Department /
Engineering Division then scroll down to Handouts:
st
1 Review – 9/25/12
nd
2 Review – 10/23/12
GENERAL
Construction Sequence
1)OK
Notes:
2)OK
GRADING AND TESC PLAN
1)OK
Additional Comments:
2)10/23/12 – Please show a barrier fence around the tree located near the driveway. The barrier
fence should be placed at the drip line of the tree and must be in place prior to the start of any
construction. Please note as such on the plans.
DRAINAGE AND UTILITY PLAN
SEWER
3)OK
DATE E-MAILED 10/23/2012 PAGE(1)
City of Edmonds BLD20120662
TH
121 5 AVENUE NORTH EDMONDS, WA 98020 • (425) 771-0220 FAX(425) 771-0221
Website: www.ci.edmonds.wa.us
PUBLIC WORK DEPARTMENT
Planning • Building • Engineering
Engineering Plan Review Comments
4)OK
5)OK
6)OK
Additional Comments:
7)10/23/12 – Please show the sewer lateral as a straight line from the main to the property line.
Once on private property you may angle the line as needed.
8)10/23/12 - Please show the proposed underground utilities (power, phone, cable, etc)
perpendicular to the right-of-way. Please also show that utilites maintain a 5’ separation from the
sewer and placed where no trenching will occur within the drip line of the tree.
WATER
1)OK
2)OK
STORM
1)OK
2)OK
3)OK
Additional Comments:
4)10/23/12 - Please show and observation well at the east end of the infiltration system.
5)10/23/12 - It appears that the driveway located between the property line and the edge of road is
not included in the impervious surface calculations. Please revise the impervious surface
calculations accordingly.
Additional comments from Jerry Shuster, Stormwater Eng Program Mngr.,
1)OK
2)10/23/12 – Comment was addressed; however, during interpolation and using the infiltration rate
of 1.2 in/hr., the sizing factor should be 3%. Please revise your calculations and adjust the
infiltration system accordingly.
DATE E-MAILED 10/23/2012 PAGE(2)
City of Edmonds BLD20120662
TH
121 5 AVENUE NORTH EDMONDS, WA 98020 • (425) 771-0220 FAX(425) 771-0221
Website: www.ci.edmonds.wa.us
PUBLIC WORK DEPARTMENT
Planning • Building • Engineering
Engineering Plan Review Comments
9/25/12 Comment: The geotechnical report indicates a considerable variation in the recommended long-
term infiltration rate between the two test pit sample near the proposed infiltration rate. Choosing the
highest rate is not approved. The Dsize is a better indication of the infiltrating ability of the soil than
10
the other test. By averaging the long-term infiltration rates from the Dsize, a rate of 1.2 in/hr. is
10
obtained. Use Table 5 in Engineering Handout #E72B to linearly interpolate a sizing factor for a design
infiltration rate of 1.2 inches per hour, and size the trench accordingly.
3)OK
Frontage Improvements /Driveway
1)OK
2)10/23/12 – Comment was addressed; however, please make sure and clearly note that the driveway
cannot be located within the drip line of the tree.
9/25/12 Comment: The tree located in the right-of-way and driveway shall not be removed. Please
revise the plans showing the tree to remain and proper separation from the driveway such as not to
damage the tree during construction or final completion of the project.
Please resubmit 3 copies of the revised plans and associated documents with a written response to each
item to a Permit Coordinator. Please contact me at 425-771-0220 ext 1321 or by e-mail at
jennifer.lambert@ci.edmonds.wa.us if you have specific questions regarding these plan corrections.
DATE E-MAILED 10/23/2012 PAGE(3)