Specifications ♦
4 hta,
, r
t 1 y ,
.
.f; CALCULATION ,,Y
�r: COVER SHEET
? , ; Project Name
`'^ ` 1 Dick Brown R esidence Pipe Pile Retainin. Wall
-
4 Project Description
, Design calculations for max. 7'A' tall steel pipe pile retaining wall
,- . ," in backyard of residence at 13001 SW Gallin Court, Tigard,
y Oregon.
Owner
.;; Dick Brown
Client
- Dick Brown _
Date P roject No
June 12, 2002 453 -1 _
From This Page To Page
1 12
- Table of Contents CITY OF TIGARD "
A ppro "ed t ^t
Page 2 Design Cross - Section of Wall Conditionally Approved
Page 3 Site Plan • of only thew k as descrld boots
_
PERMIT NO. Z�
Page 4 Description of Wall see Letter to: Fonow I i
Page S Assumed Soil Propr ;rties A IC ach f-,i fir. (a i
�L
Page 6 -7 Lateral Earth Pressures Job f , r _ _
Page g Pile Properties By.
Page 9 Method o'. Analysis and Free -Body Diagram ,
Page 10 Summary of Results
Page 1 I Shear, Moment and Deflection Diagrams
Page 1 Computer Program Input, c1- Shornig(Ver 6 4,Civil Tech Software)
,,4 PRa ,
N G 1 N 4. /
47 13501 44' .
•
1 .1
. r /N :: t
'O 4 '�H 19. \ , p
1/ CUNK�
Alder Geotechnicall Services
3910 NE 10 Avenue phone (503) 282 -7482
Portland, Oregon 97212 - 1221 fax (503) 282 - 7402
i s
,
17'00
• i. .
: CITY OF TIGARD
.:r August 19, 2002
.:" OREGON
Richard Brown
` 13001 SW Gatlin Ct.
Tigard, OR 97223
RE: Slope Stabilization Steel Pipe Retaining Wall
13001 SW Gatlin CL
Permit # Sit2002 -00018
Dear Mr. Brown,
The plan submittal for the steel pipe retaining wall that is proposed to stabilize
the slope of your rear yard has been reviewed and approved by the City of Tigard
Building Division. The following comments relate to the construction and final
acceptance of the wall by the City.
1. Alder Geotechnical Services shall provide visual inspection of the setting of
the steel pipes, backfill material, drainage and final grading. A final
acceptance letter from the Geotechnical Engineer shall be provided to the
City of Tigard Building Div;sion upon final completion of the work. This letter
shall state the wall was constructed in conformance to the design. Address
this letter to the attention of Hap Watkins, Supervising Inspector.
2. Please call the Building Division inspection line at (503) 639 -4175 prior to the a
start of the backfill of the wall and request an inspection. A final inspection will
be required at the completion of the job.
3. All conditions of the U.S army Corp of engineers must be met prior to the City
of Tigard granting final approval of this wall.
4. A copy of the approved plans shall be on -site for inspection purposes.
Sincerely,
Gary Lampella
Building Official •
c. Brian Rager, Engineering
Hap Watkir.F. Inspection Supervisor, Building Division
13125 SW Hall Blvd., Tigard, OR 91223 (503) 639 -4171 TDD (503) 684 -2772
114 4-7K
kf
09/09/2002 16:50 5032827402 ALDER GEOTECHNI PAGE 02
`` f
Alder Geoitechrincal Services 3910 NE 10' Avenue
Portland, Oregon 97212 -1221
Phone 503.282.7482
Fax 503 282 7402
September 9, 2002
Project No. 364 -2
t.,
;..' Mr Hap Watkins, Supervising Inspector
City of Tigard Building Division
13125 SW Hall Boulevard FILE C
Tigard, Oregon 97223
FINAL REPORT OF SPECIAL INSPECTIONS
SLOPE STABILIZATION STEEL PIPE PILE RETAINING WALL
BROWN RESIDENCE, 13001 SW GALLIN COURT
TIGARD, OREGON
Permit No, Sit2002 -0018
Dear Mr Watkins
I have completed by observation of the subject retaining wall construction. The purpose of my
four site visits was to determine whether the wall construction was performed in general
accordance with my approved plans dated June '12, 2002. This letter presents my opinion that the
work was performed in substantial accordance with my design.
The new steel pipe pile retaining wall was constructed behind the Brown Residence. The wall
was constructed using 21' long, 4 "- diameter, Schedule 80 steel pipes driven into the ground at
approximately 2' spacing. The maximum height of the wall is approximately 7W, the maximum
height allowed by the design.
The backs of the pipes were lined with Maccafferi zinc - coated, double twist 8x10 mesh and
backed with zinc - coated 16 -gage mesh. The mesh was bacldlled with 4" -minus crushed rock
and slope up approximately 3' to the backyard fence line.
In my opinion, the wall was constructed in substantial accordance with my design Please call me
if you have questions.
Sincerely,
ALDER GEOTECHNICAL SER '.
V . 13507
John N. Cunningham, P.E
Geotechnical Engineer CR!®CM
„e0/ / 4 CH19 1T ' 4'
(1) Addressee y - CUNii�� , t Z,- 31-.01
•
(1) Mr, Manuel Castaiieda, Pro Landscape, Inc
(1) Mr. Dick Brown
tY i
� 4,T�T a DEPARTMENT OF THE ARMY h/ � L
..
l/
ae ^`� / " . PORTLAND DISTRICT, CORPS OF ENGINEERS �// ;; :;
? � P.O. BOX 2946 p
\ %+ � PORTLAND, OREGON 97208 -2946 At �1`4t1 y ,.n ' ,
REPLY 10 August 12, 2002 Cif r OF I.i �v�n 2
ATnt OF
Operations Division �R6
Regulatory Branch
Corps No.: 2002 -00060
Mr. Dick Brown
13001 SW Gallin Court
Tigard, Oregon 97223
Dear Mr. Brown:
The U.S. Army Corps of Engineers (Corps) has received your permit application requesting
Department of the Army authorization to stabilize an eroding bankline. The project involves the
placement of riprap below a culvert and construction of a pipe wall along an unnamed tributary
to Summer Creek as shown in the enclosed drawings (Enclosure 1). The site is in Section 4 of
Township 2 South, Range 1 West. The project is located at 13001 SW Gallin Court, Tigard,
Washington County, Oregon.
This letter verifies that your project is authorized under the terms and limitations of
Nationwide Permit No. 13. Your activities must be conducted in accordance with the conditions
found in Special Conditions (Enclosure 2), General Conditions (Enclosure 3), and the following
project specific conditions:
a. To compensate for the diminishment of aquatic system functions, the applicant shall
plant a combination of red -osier dogwood (Corpus s[olonifera) and Pacific willow (Salix
lasiandra) sakes every 2 feet on both banks of the creek, along the length of the property.
Planting will occur in the early spring immediately following construction of the pipe pile wall.
b. A compliance report will be submitted to the Corps detailing the completion of the t
project. The compliance report will contain the following information:
i. Permit number.
ii. Name of permitice.
iii. Project name and location.
iv. Description of all activities that have occurred on the project site. •
v. Report will be mailed to:
U.S. Army Corps of Engineers
CENWP UP (iA Attn • 1 ,. ton County
P.O Box 2946
•
Portland, Oregon 97208-2946
& � +4 t a yi a vc • ; --r. 1 i T ' t ,�. ... ,v a * t a- . w s t 7' p �, .n -n 7 � t '� 1 q , e p. 4. ` `r -t fir.- -�. 41`,..,:_.;:.:',-- • -. c ... - . pit ; a � d < 3 , , �'
l �
MEMORANDUM
CITY OF TIGARD, OREGON
Yi
Y �
r
DATE: June 28, 2002
TO: Gary Lampella, Building Official
FROM: Brian Rager, Development Review Engineer
RE: Dick Brown Permit Request for Retaining Wall
Please see the attached le'iter and background information for a new retaining wall for Dick
Brown's residence. Be advised that Dick is the one who filed a claim with the City because of the
sloughing of the drainageway bank behind his house. We have e$ °.antially refused the claim and
he acknowledges that he has some responsibility to stabilize his bank himself.
He is attempting to do that, but I would imagine you will need him to fill out the proper
applications as well. He also has a question about installing a private drain line (french drain I
would imagine) between his parcel and the City's water quality tract area. That, in my mind,
would be a private storm line to be permitted by a plumbing permit. Please contact Dick and
guide him through what he needs. I am sending this to you because I know you are aware of the
• situation and I want to make sure Dick gets on the right path soon. Dick's phone number is (503)
620 -8860.
Regarding the other question about access across City parcel, I will contact Dick on that one.
Thanks.
•
i ∎ eny bnanncorrespondence1062802 -brown•lampena -memo doc
is
4
t
•
p O � ) U
U SUN 2 7 0Z
C
Mr. Brian Rager June 19, 2002
Development Review Engineer
•'d
City of Tigard
13125 SW Hall Blvd
Tigard, Oregon 97223
Dear Brian,
Re: Quail Hollow -West ENG 98-0U007
Enclosed is information submitted to the US Army Corps of Engineers regarding the
erosion occuring behind my home at 13001 SW Gallin Court, Tigard. I am hereby
applying for a permit from the City of Tigard to build the gabien wall assuming the US
Army Corps agrees to allow the project. As 1 told you in a previous letter, Brownstone
Homes, LLC is the owner of record of Tract S. An easement was recorded yesterday
from Brownstone to my wife and I to allow for work in the creek with all the necessary
approvals. I will provide you with a copy of the easement once our copy is returned.
In addition, I would like to make a request from the City of Tigard for access from
City property abutting ours to allow for this work. It seems other people just use it
without permission. Also, I would like to have a discussion with you regarding the
installation of a drait, line along our joint property line to make sure there is a way for
water to make it to the creek during heavy down pours, or if there is another leak in the
detention pond. As you may or may not be aware, we experienced a substantial leak last
year along the private drive in Tract U serving the four homes That leak was never
fixed, however, the City has since filled the leaking detention pond and piped all the
water to the last detention area which means more retention in that pond
I will schedule an appointment with you in the near future to review the information
enclosed and discuss any suggestions you may have regarding this project.
Sincere,
Richard K Brown
( 9)2 ( _ Becao
t ?ti r z
�L t f • N( xF
` '.
Ms. Kathryn Harris June 19, 2002
Regulatory Project Manager
US Army Corps of Engineers
CENWP-OP-G
r. . - aT
P. 0. Box 2946
Portland, Oregon 97208 -2946
Dear Kathryn,
Re Richard K. Brown Erosion Army Corp Case #2002 -00060
During the past several weeks I have reviewed my situation with a number of
engineers to try and determine the best method to stop the erosion and yet be as non-
invasive to the stream area as possible. In the past you received a proposal from Bill
Parks which was submitted to both the Division of State Lands and to the Army Corp
The original proposal was a boulder wall. At this time I want to change the method of
erosion control to a gabien wall, which details and engineering are attached . Therefore,
this information is a modification to the proposal prepared and submitted for me by Bill
Parks
Since time is an issue to get this approved and built during the dry season, I am
sending/submitting a copy of the proposal to DSL for their file and information and the
City of Tigard to'obtain a permit. I have also enclosed a copy of a ietter from DSL. which
states that I do not need a permit from them.
I hope that the information that I have provided is adequate for the intended purpose
If you have any questions, please call me at my office 503- 620 -8860, or cell phone 503-
789 -2010.
Thank you for your assistance and consideration for this request.
Sincerely,
Richard K. Brown
cc Lori Warner, Manager, Field Operations, Division of State Lands #24994 -NSP
Brian Rager, Development Review Engineer, City of Tigard (Quail Hollow West,
• ENG 98-0U007)
•
a r r , I .+i: ' . y t '�• "' ;,' ii C{�. f f
A Y ✓ �" �' 1 n J 45' t I �' h t
; �, . �.p ,• • h r S t3 1w i } L'�„� x y � ue 1 inf r e ."�Y zT y , I �' - j
5 s><'� t � F' i ) k e 1 r.., k t: '� s . � r .hr .� �. I
... r 3. u 1 •.� q, y .i',.:. .. ti � 9�� ] � , . . I .... .. .
f, a a
•
34 Ms Lori Warner, Field Operations Manager June 19, 2002
Division of State Lands
775 Summer Street NE, Suite 100
Salem, Oregon 97301 -1279
• ys,
Dear Ms. Warner
Re: State Application Number 24994 -NSP
Enclosed is a request to the US Army Corp of Engineers for a modification of our
original request to retain any further erosion at 13001 SW Gallin Ct., Tigard, Oregon
The new request only changes the method of construction of the wall from boulders to a
gabien wall indicated on the attached engineering drawings. After discussing the project
with numerous engineers it seemed a consensus that this type of wall would do a great
job and be less invasive into the stream area
Based on your January 2E, 2002 letter I am assuming I need no further permission or
permits from you. If I am incorrect, please contact me and let me know what additional
information you need.
Thank you for your assistance
Sincerely,
Richard K. Brown
•
COPY
4 1.' Division of State Lands
1J jjOfl
775 Summer Street NE, Suite 100
v Salem, OR 97301 -1279
:. John A Kii haber. M D . Go%emur (503) 378 - 3805
y s'
FAX (503) 378 -4841
'' January 28, 2002
http: / /statelands dsLstate.or.us
State Land Board
JD02/24994 John A Kitzhaber
DICK BROWN Governor
12670 SW 68 AVE STE 300 Bill Bradbury
TIGARD OR 97223 -8338 ."ecretary of State
RE: State Application Number 24994 NSP Rai doll Edwards
State Treasurer
Dear Mr. Brown
We have received your application to place 35.5 cubic yards of riprap along a tributary to
Summer Creek in Section 9, Township 2S, Range 1W, Washington County, Oregon. The
Division of State Lands requires a permit if you plan to remove, fill or alter 50 cubic yards or
more of material within the banks of most waters of the state. State designated Essential
Salmon Habitat streams and State Scenic Waterways are exceptions in that any amount of
removal, fill or alteration typically requires a permit.
Based on your application, your project involves removal or filling of less than 50 cubic yards of
material IN WATERS THAT ARE NOT CURRENTLY DESIGNATED Essential Salmon Habitat
or State Scenic Waterways; therefore, a State removal -fill permit is not required.
You must also receive authorization, when required, from the U.S. Army Corps of Engineers and
local planning department before beginning construction.
If you have any questions, please call Colin MacLaren at 503 -378 -3805, extension 244.
Sincerely,
•
Lori Warner
{ Manager
Field Operations— Western Region
CM led
• J:IAIIachmen1AwestLASINSP No State Permit Required LAS\24994 -NSP doc
•`� c . Kathryn Harris, Corps of Engineers
, r
Washington County Planning
J JI 1 r t `• r
t , ?. .
i
q
t. f
t • �". , r "' Y ,� ;t } ,� ry 3 r w ` u 5 3y } J .,
X13 �, v ;`
�_� h 'ti ,, ���� • '1x � 'a+ �w t � vt , v ' s w � r ? r 'Or