HomeMy WebLinkAboutPermit 90-38-SPE - SEATTLE WATER DEPARTMENT - CEDAR RIVER PIPELINE SENSITIVE AREA WAIVER90-38-spe 53rd avenue south southcenter parkway cedar river pipeline
Minutes - Regular Meeting
December 3, 1990
Page 2
Public Hearing (con's)
Hearing Postponed
Request for; Waiver TO CRITICAL AREA SENSITIVE AREAS MORATORIUM ORDINANCE 1544 and 1550 -
(Moratorium) from
Seattle Water Dept.
Public hearing closed -
7:45 p.m.
As the proponent had not yet arrived at the meeting, Mayor
VanDusen postponed the hearing on this issued until later in the
agenda.
City Engineer Ron Cameron reported the applicant, Seattle Water
Department, is requesting a waiver in order to maintain/repair the
existing Cedar River water pipeline located west of 53rd Ave. So., east
of Southcenter Parkway, and perpendicular to an extension of So.
158th Street or Tukwila Parkway, generally located under the Tukwila
I -5/I -405 interchange. The repair is to line the inside of the 16 inch
pipe with a new pipe, going from a 60 inch to a 54 inch line. Three pits
will be trenched m order to re -line the pipe.
Walter Anton,,Chief Engineer Seattle Water Department, explained
that because of the construction effort, the department needs to
relocate the point at which Tukwila takes their service. There will be
no change in service, only a change in the location of the tap. Mr.
Anton explained that a consultant discovered an error in the design of
the 60 inch pipe line that comes across the valley and serves Tukwila
and the southern part of the Seattle water system. Extensive cracking
and deformation of the pipe line was found and must be repaired in
order to re- establish the structural strength under the interstate
highway. This pipe line must be in service during the late spring and
summer months; however, it can be shut down during low use period
in the winter. Construction would take place in developmentally
sensitive areas at Southcenter Parkway opposite the movie theater and
an access pit would be constructed near Gilliam Creek. The last
access pit would be located at the end of So. 160th Street where it
deadends. Shored structures, designed by registered civil engineers,
will be used to hold back surrounding soils. Access pits will be filled
when the pipe insertion and grouting is completed. Ground conditions
will be restored using appropriate surface erosion control.
Construction can be accomplished within two months (January and
February).
Councilmember Robertson voiced his concern for work at pits two and
three as the hillside is unstable. Mr. Anton responded that he is aware
of the problem and reiterated that steel shoring will be used to help
stabilize the slope during construction. When construction is
completed, the holes will be filled with compacted soil which will leave
the hillside strong, if not stronger, than it was originally. Robertson
inquired about the City's liability if Council grants the waiver and the
construction causes the hillside to cave in. Attorney Mike Kenyon
responded that if Council knows, or ought to know, that permitting this
project could lead to soil problem or cave in, the City could have some
Lability. He suggested obtaining an indemnity agreement if Council
approves the waiver.
Mr. Anton concluded that it is the intent of the City of Seattle to take
the responsibility for the work of the contractor. They have signed a
letter from their risk manager to the City of Tukwila certifying their
liability. A construction inspector will be on site any time the
contractor
is there.
MOVED BY ROBERTSON, SECONDED BY DUFFIE, THAT
THE WAIVER BY GRANTED.*
Councilmember Robertson asked Attorney Kenyon if the standard
waiver contract makes sense in this situation as the applicant is
performing basic maintenance rather than developing the property.
Attorney Kenyon responded that the current moratorium waiver
ordinances provide for exceptions for maintenance of existing utilities.
He suggested adding a stronger indemnity clause to the contract.
Decembe 3, 1990
7:00 p.m.
CALL I ORD
ROLL C
OFFIC
Request t • Amend Agenda
CITIZEN COMMENTS:
•
Request t
Agenda
CONS
AGENDA
PUBLIC
Request f
Property
Blvd. fro
by Lindar
Amend Consent
GS
r Rezone for
t 5900 Southcenter
PO to C -1
is Design
TUKWILA CITY COUNCIL
Tukwila City Hall
Council Chambers
Regular Meeting
M
Mayor VanDusen called the Regular Meeting of the
Tukwila City Council to order and led the audience in
the Pledge of Allegiance.
JOE DUFFLE; DENNIS ROBERTSON; JOAN HERNANDEZ,
Council President; CLARENCE MORIWAKI; ALLAN EKBERG;
STEVE LAWRENCE, JOHN RANTS.
\ MIKE KENYON, City Attorney; JOHN McFARLAND, City
Administrator, ALAN DOERSCHEL, Finance Director; ROSS
EARNST, Public Works Director; RON WALDNER, Chief of Police;
DON WILLIAMS, Parks and Recreation Director; DARREN
ON, Assistant Planner.
Co cilmembers Robertson and Moriwaki requested a discussion and
on t WSDOT dump site on Highway 99 and 118th be addedto the
agen • ►: under New Business.
Catherin . Harris, 5610 So. 141st Street, asked to jdclress items 6c and
6d (Conse t Agenda).
Councilmem • r Duffle requested Items and 6d be removed from
the Consent nda and discussed unndder Old Business.
a. Approval of utes: N ' ember 5 and November 19.
b. Approval of Vou
General Fund $ 132,706.38
City Street 23,269.63
Arterial Str . t 49,749.98
Land Building, De 22,046.07
Water F d 309.89
Sewe and 69,504.22
Wa r/Sewer Construction 2,470.57
F ter Golf Course 6,553.29
urface Water (412) 1,169.98
Equipment Rental 15,065.05
Firemen's Pension \ 3,598.10
TOTAL t $326,443.16
c. Moved to Old Business for discussion
d. Moved to Old Business for discussion.
e. An ordinance levying the general taxes for the City of Tukwila
for the fiscal year commencing January 1, 1991.
f. Acceptance of recreational/river bank/dike trail easement;
authorize Mayor to sign easement agreement.
MOVED BY DUFFLE, SECONDED BY HERNANDEZ, THAT
THE CONSENT AGENDA BE APPROVED AS SUBMITTED.
MOTION CARRIED.
The hearing was opened at 7:30 p.m.
Darren Wilson, Associate Planner, explained that the applicant,
Linardic Design, is requesting approval to rezone property located at
5900 Southcenter Blvd., from PO (Professional Office) to C -1
(Neighborhood Retail). The Planning Commission has recommended
approval to grant the rezone based upon the staff reports /findings and
conclusions.. In 1984 the property was rezoned from RMH (I-Ugh
Density Residential) to PO (Professional Office). The comprehensive
plan has designated the area C -1 (Neighborhood Retail). Council
approved a waiver from the SAO earlier in the year to process the
rezone only. In July of 1990 the Board of Architectural Review
approved the request for an office /retail building at this location.
Minutes - Regular Meeting
December 3, 1990
Page 3
Public Hearing (con't)
Mayor's Proposed 1991
Budget
N6W BUSINESS
Ordinance Adopting a New
Cabaret Ordinance and
Repealing Ordinances
1170 and 470. (6c)
An Ordinance Declaring
an Emergency for River
Bank Erosion Repairs (6d)
*MOTION CARRIED.
MOVED BY LAWRENCE, SECONDED BY ROBERTSON, TO
AMEND THE MOTION BY INCLUDING THE ADDITION OF A
STRONGER INDEMNITY CLAUSE TO THE STANDARD
WAIVER CONTRACT. MOTION CARRIED.
*MOTION CARRIED AS AMENDED. The waiver is granted with
conditions.
At 7:55 p.m. the public hearing was opened for public comment.
Catherine Harris, resident, read from a prepared statement in which
she noted her objections to all that has been done to date regarding
the Human Services Policy and Plan. She objected also to the
allocation of $20,000 to the Green River Flood Control Zone District
from the Storm and Surface Water Utility and the allocation of
$243,000 to Green River Dike Improvements from the same utility. It
is Mrs. Harris' opinion that these projects are not functions of the
Storm and Surface Water Utility.
Councilmembers commented on issues raised by Mrs. Harris.
The hearing was closed at 8:27 p.m.
MOVED BY MORIWAKI, SECONDED BY DUFFLE, THAT THE
PROPOSED ORDINANCE BE READ BY TITLE ONLY.
MOTION CARRIED.
Attorney Kenyon read an Ordinance of the City of Tukwila,
Washington, repealing Ordinance Nos. 1170 and No. 470 codified as
TMC 5.08 and adopting a new cabaret ordinance to be codified as
TMC 5.08.
MOVED BY MORIWAKI, SECONDED BY DUFFIE, THAT
ORDINANCE NO. 1586 BE ADOPTED AS READ.*
Catherine Harris, resident, commented that in her opinion the title of
the ordinance is unclear. She pointed out areas of the ordinance she
felt were incorrect or questionable.
Chief of Police Ron Waldner noted that this type of ordinance is a
preventative ordinance needed to keep the criminal element out of
our community. Councilmember Robertson commented that Council
had requested a clear identification of "entertainer" in order to keep
from infringing on an individual's civil rights. Councilmember Rants
commented that Council has left options under Section 5.08.080 (a),
Appeals and Hearings, that the City Board of Adjustment or other
hearing body established by the Council may hear appeals.
MOVED BY DUFFLE, SECONDED BY MORIWAKI, THAT THE
PROPOSED ORDINANCE BE READ BY TITLE ONLY.
MOTION CARRIED.
Attorney Kenyon read an Ordinance of the City of Tukwila,
Washington, declaring an emergency for river bank erosion repairs
and authorizing emergency expenditures.
MOVED BY ROBERTSON, SECONDED BY RANTS, THAT
ORDINANCE NO. 1587 BE ADOPTED AS READ.*
Mayor VanDusen stated he had had concerns regarding the correct
use of funds for this project. Broadly taken, the enabling ordinance
does include does include the
we want to continue mixing our surface water funds which are now
going to be also Green River Control District funds. River and the
flood control issues have always been identified separately. Until last
Minutes - Regular Meeting
December 3, 1990
Page 4
New Business (con't)
Recess - 9:05 -9:15 p.m.
PUBLIC HEARING (CON'T)
Request for Rezone -
for Property Located at
5900 Southcenter Blvd. by
Linardic Design
Citizen Comment
Hearing Closed - 9:55 p.m.
year, the surface water problems were in the Street Fund until the
taxing authority was created, and it was separated into a utility.
Public Works Director Ross Earnst stated there was no known cause
for the erosion around the tree. The bank softened up and the river
water going by took it out. It could be that the increased runoff from
the storm weakened the road above and the filtration underneath, or
the acceleration of the river itself, or a combination of both that
caused the problem. Councilmember Moriwaki commented that if it's
a cause from surface water, it's directly related to surface water
management. If it's a cause from the river itself, it may be best
addressed by the Green River Fund. Since no one knows for sure,
either fund is justified. Councilmember Ekberg added that currently
we are paying a King County Flood Control tax, a Green River Flood
Control Zone District tax was just authorized, and we also have a
surface water tax —all taxes for water. In his opinion there are two
outstanding taxes, one King County -wide, one Green River -wide,
spec�cally set aside for river purposes, i.e., dikes, river runs, repairs.
H e feels those funds should be used for repairs of existing facilities,
riverbanks, improvements to riverbanks, etc. Since there is a surface
water tax being charged the City, we should use it on non -
designated river areas an d dikes, etc., because there are two other
taxing authorities that provide for the Green River. Councilmember
Lawrence added that the other funding sources are underfunded; what
we would use on this one dike would use up the funding for the whole
Green River.
*MOTION CARRIED
Mayor VanDusen called the meeting back to order. All
Councilmembers were in attendance as listed above.
Attorney Kenyon explained the procedures for the quasi-judicial
rezone hearing.
The hearing was opened at 9:20 p.m. Assistant Planner Darren Wilson
reviewed his earlier explanation of the applicant's request.
Ed Linardic, 1319 Dexter Ave. No., Suite 260, Seattle, stated that by
his request he is trying to achieve a project that would be financially
feasible and of benefit to the City by providing a mixture of uses.
Councilmember Duffle noted his concern for the volume of traffic at
the location of the project. Mr. Linardic stated there was not much
difference in the amount of traffic generated between a professional
office and a retail establishment. Councilmember Ekberg inquired
about a revised traffic signal at the intersection. Public Works
Director Ross Earnst replied that a revised signal would most likely be
investigated.
Councilmember Robertson noted that a specific building proposal has
not been offered at this time. The applicant is unsure of the type of
business he will operate in the building. Robertson also expressed .
concern for the current traffic congestion in the area.
Mr. Linardic feels the additional traffic between the C -1 and PO zones
is minimal under the circumstances.
Catherine Harris, resident, spoke in favor of the rezone because of the
possible benefit to the neighborhood residents.
Councilmember Rants remarked that the allowable parking spaces for
the establishment is determined by code. A developer can lease only
so many spaces until those spaces are gone. The access to the
property is terrible and hard to get into even though the visibility is
good.
MOVED BY EKBERG, SECONDED BY RANTS, THAT THE
PROPOSED ORDINANCE BE READ BY TITLE ONLY.*
CITY OF TUKWILA
6200 SOUTHCENTER BOULEVARD, TUKWILA, WASHINGTON 98188 PHONE # (206) 433.1800 Gary L. VanDwun, Mayor
STAFF REPORT
TO THE CITY COUNCIL
PETITIONER: City of Seattle Water Department
PROPERTY LOCATION: West of 53rd Avenue S., East of Southcenter
Parkway, and perpendicular to an extension of
S. 158th Street or Tukwila Parkway, generally
located under the Tukwila I -5 /I -405
interchange. '
PROPOSAL: Maintenance /repair of existing Cedar River
Water Pipeline by inserting new pipe into
existing line.
IMPACT OF SENSITIVE AREAS ORDINANCE:
Due to a miscalculation of loading from the I -5 freeway on the
pipeline, slight compression of the pipe has occurred.
Reinforcing through insertion of new lining within the existing
pipe is proposed.
To accomplish the relining of the pipeline, trenches or access
pits, approximately fifteen (15) by fifteen (15) feet need to be
dug at three locations (access pits 1 -3). At these points the .
new pipe will be inserted and slipped through the existing line.
The westernmost access pit ( #3) is on land with an approximate
slope of less than 10 percent and is located upslope and
downslope of Class 2 Landslide Hazard Areas.
The middle access pit ( #2) is located within the WASHDOT right -
of -way, which the City maps show as modified material and
therefore unclassed and has a slope of approximately twenty -one
(21) percent.
The easternmost access pit ( #1) is located, at its closest point,
twenty (20) feet east of the centerline of Gilliam Creek.
The draft SAO permits maintenance of existing utilities in
sensitive areas and their buffers.
DECISION CRITERIA:
Ordinance 1550 states the City Council must use the following
criteria to review waiver requests:
1. Intent of . the moratorium
2. Best interest of the City weighed against the interests of
the individual.
3. Circumstances and hardship caused by the moratorium.
4. Damage that could result from strict adherence to the
moratorium.
Seattle
Engineering- Department
Gary Zarker, Director
Norman B. Rice, Mayor
Mr. Les Nelson
Project Manager
Seattle Water Department
9th Floor - Dexter Horton Building
710 2nd Avenue
Seattle, Washington 98104
Dear Mr. Nelson:
o-3s -SM.
Our investigation addresses the soils at three access pit loca-
tions for the Seattle Water Department's proposed Cedar River
Pipeline #4 Protection construction project (see vicinity map).
The soils investigation included drilling one Soil Boring, TB1,
at Access Pit #3; performing portable penetrometer determinations
at Access Pits #1 and #2; and referencing several reports of
previous geotechnical investigations at and near the access pit
areas.
The soils reports we reviewed for this project are as follows:
- GeoEngineers' report' "Geotechnical and Hydrological
Studies, Proposed Valley View Estates, Slade Way and 53rd
Avenue South, Tukwila, Washington" for Dr. H.N. Allenbach;
- Shannon and Wilson's report "Report on Foundation
Investigation, Existing Slide Area, Tukwila Interchange,
PSH 1 (SR5), Agreement Y- 713 ", dated June 12, 1964;
- Shannon and Wilson's report "Report on Foundation
Investigation, North of Existing Slide Area, Tukwila
Interchange, PSH 1 (SR5), Agreement Y -713, Supplement No.
2 ", dated July 14, 1964 and
- Shannon and Wilson's report "Slope Stability
Investigation, Tukwila Interchange ", dated April 30, 1966.
Our portable penetrometer determination consisted of dropping a
25 pound hammer over a 24 inch drop driving a 1 and 3/8 inch
diameter steel tip 18 inches into the soil. The number of blows
for each 6 inch depth increment were recorded.
"Prinled on Recycled Paper"
An equal employment opportunity - affirmative action employer
Les Nelson
November 9, 1990
Page 2
Access Pit ' #1
Access Pit #1 will be located just northwest of Southcenter
Parkway near an existing chain link fence. The surface soils at
this access pit location are indicated as a well graded sandy
fill. At a rather shallow depth, these sandy fill soils increase
in silt content. It appears that the upper fill soils have mixed
with the native soils. All soils were found wet; however, this
indicated subsurface moisture condition may have resulted from
the intrusion of surface ponding waters observed in this area.
Our portable penetrometer determinations indicate an upper 10
feet of loose to medium dense soil overlying a stiffer or denser
consistency soil (see Soil Log HH2 - labelled "A ").
Additional soil boring and test pit information was obtained from
Nordstrom's Southcenter Expansion; from Dames and Moore's soils
investigation for the Seattle Water Department's pipeline north
and west of Southcenter; and from Shannon and Wilson's soils
investigation for Southcenter (labelled "B" through "H ".
We recommend that the excavation bracing be designed by ar
'Licensed Professional Engineer.:': The proposed Access Pit #1
excavation is expected to penetrate select fill materials used as
backfill for the 60 inch watermain. The observed areas of
surface water and generally wet surface soils suggest that the
contractor be prepared for dewatering. The soil loading for
access pit #1 excavation bracing should consider the lateral
effects the adjacent roadway fill supporting Southcenter Parkway.
Backfill should be with a select structural fill compacted to 95%
ASTM D -698 maximum dry density as this backfill should provide
lateral support for soils supporting the nearby built -up roadway.
Access Pit #2
Access Pit #2 will be located approximately one third up the
slope just west of Interstate I -5. Our portable penetrometer
determinations and test pit excavation (see Soil Logs HH1 and TP1
- labelled "I" and "J" in this report) indicate an upper loose to
medium dense silty sand overlying a hard silt to clayey silt with
sandy silt pockets and seams. Groundwater was not observed in
test pit TP1. No indication of past slide activity was observed
in the soils of test pit TP1. It appears that the very stiff to
hard sandy silty and clayey silty soils indicated in Boring
Numbers 231 and 233 and Profiles 3, 4 and 5 of Shannon and
Wilsons' report dated April 30, 1966 (labelled sheets "K" through
"0" in this report) are representative of this area.
Access Pit #3
Les Nelson
November 9, 1990
Page 3
The slide activity investigated in Shannon and Wilson's reports
and also in GeoEngineer's report is indicated as both deep seated
and shallow. The deep seated slope stability will not be
affected as the proposed Access Pits #2 and #3 are much too
shallow. The potential for shallow instability of the slope at
Access Pit #2 is extremely low as the dry to slightly moist
clayey silt and silty sand soils observed in the test pit TP1
suggest that any native soils exposed by the proposed Access Pit
#2 excavation will be as indicated in Boring Numbers 231 and 233.
These soils are indicated as either at or below the plastic limit
moisture content and are very stiff to hard. However, we expect
the proposed excavation to penetrate the backfill soils for the
installed watermain.
We recommend that, t h e ex cavati a on brae ng, ,
be desi�gnedd -by,
, .e le ;tg-) � ; f.f �i L. nl 7- •l: k�1 ' s. ?. e... .r ' .. ..
h.icensed `Pirofess `onal Eng :veer. , di also recommend that at this
location, a diversion ditch upslope of the .: access pit be ; exca ,'
, vated to capture storm runoff and that : this water be discharged
at the toe of the slope .° Excavated soils should be off ;
"slope and may be stored for reuse as backfill., if protected from
rainwater intrusion. Backfill should be placed and compacted to
95% maximum dry density, as determined by ASTM D -698, to within 3
feet of the surface. The remainder of backfill should be with
compacted, native, relatively impermeable silty soils thus
forming a surface seal to prevent rainwater infiltration. The
entire area should be hydroseeded with a WSDOT seed mix.
Access Pit #3 is located just east of the asphalt access road on
the east side of 53rd Avenue South. The eastern edge of this
access pit is expected to be about 50 feet from the crest of the
slope leading to Klickitat Drive.
Our Soil Boring TB1 (labelled "P" in this report) indicates an
upper approximate 12 feet of very loose, moist silty sand over-
lying a very stiff to hard layering of nonplastic silt inter-
bedded with sand seams and pockets. Groundwater is indicated at
17 foot depth. Our Soil Boring is relatively close to the Soil
Boring DH -7A shown on Profile 5, sheet "0", with very similar
soils and depth to groundwater. These soils are also very
similar to the soils indicated in Shannon and Wilsons' Soil
Borings 231 and 233.
Les Nelson
November 9, 1990
Page 4
JM
cc: .Herb Johnson
in f x 1... rate th s lope
-:.4xcayation bracts g for the proposed;:;;Access
a Licensed Professional Engineer. Ups'lope
irectedaway - .' from :. ; the excavation and ;r
into' 'o'r ' oin the slope . The contractor
sur
no t
s hould be prepared to control; groundwater near the base of the
excavation, pit. Any groundwater'pumpe from the excavation_,;,
' st ould not ' onto the slope or be allowe
Excavation spoils are expected to be backfill for the watermain
and should be stored upslope of the excavation, away from the
crest of the slope. , If these excavatedrsoils da re found suitable,
they should bey pro't`ected` yf*m stormwa and may be
used for backfill, compacted'to 95 % D -698 maximum dry
density, to within 3 feet of the surface. The remaining 3 feet
can be backfilled with compacted native silts to form a surface
seal for the prevention of stormwater infiltration. The finished
surface should then be hydroseeded.
The Materials Laboratory is available to review the proposed soil
loading for all excavation bracing systems.
Very truly yours,
Albert C. Rice, P.E.
Senior Materials Engineer
Access Pit 3
VICINITY MAP-
Access Pit 2
Access Pit 1
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Southcenter Parkway
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'TLE ENGINEERING DEPARTMENT
MATERIALS LABORATORY
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10/31/90 14:43 FAX 206 41, 3665
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SOIL DESCRIPTION
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SOIL DESCRIPTION
Oround Series• Elevation Approalmately
Very dense (1)■ moist, brown, fine to medium
SAND with trace silt (Fill)
Very dense, moist, orange -brotm mottled, silty
SAND (Weathered glacial till)
•
- 6 to1gray, gravelly, silty SAND
Boring terminated at 14 feet
Completed 8 October 1986
NOTE: Asphalt concrete pavement section
not indicated on log.
SAMPLING
1 Z co SPLIT SPOON SAMPLE
n r 00 SHELBY SAMPLE
ID RING SAMPLE
5 BULK SAMPLE
* SAMPLE NOT RECOVERED
Feet
W z
a. m 3 0
0 3 0 10 20
-5
-10
-16
-20
-25
^30
-35
TUK PUB WORKS
40
GROUND WATER
BORING NUMBER . 84— W.O. W..5O ?M
PROJECT NAME Nordstrom Southcenter Expansion
SEAL
DATE
STANDARD PENETRATION RESISTANCE
1. BLOWS PER FOOT
(140 Ib. hammer. 30 MCA drop)
•
WATER LEVEL
AT TIME OF DRl1 MK1 T 0 OBSERVATION
WELL TIP
30 40 50 60 TO BO 90 100
S0/2" A
( rock?)
a
•
79/11`A
76/11
86)11 "A
•
i
LABORATORY TEST'S
• 1L WATER CONTENT
NP NON PLASTIC
1 �--- N-- -- LIONID LIMIT -- NATURAL WATER
CONTENT
PLASTIC LIMIT
e9/ 11 "A
J/1818'0 11:31
1
.
REFERENCE:
DRAWING NO. 3, 408 1146, BY
JOHN GRAHAM At s COMPANY,
DATED 4.21.61.
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WITH LENSED Of SPAT 111,0 TO i't01UN
1.4110 II1061Ma1111 101/1
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OF 01141 FM 1110 Ir tA41f • • • .
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110+•1 1111• lc:, MN POCRLII Or 0111? • • r WWII. a 211 100.4 01110111 • sr meNt;.
MOT CUT temI'.D Oat PIA[TONE01N1
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t ' • 'SAWS/ 1t1 LY►AAp>r1 • G. 9.4111 NO WIftA stint C/lERYtO. • . ■ 1 ' ' . /, •
I
•
• '
1 • 1 •• • t
,0111, LOG I . OF ' BORINGS' • : .. •' .
• n 1vtT104: R►•rtl TO .A.E. 42A
0. 11, t0 I11 E . 1!:! H. ,L. . •
,1 • �• • ' 1 bA1Y1123fJ! d M1b0►ttt! •
f.ItY01 .B. , •• . �,.
V
Z.0
5.0
.D
13A
C
TP1
y1J,(I( TOPSDI'.
CC :FACT S0.TY
�61iD 4. CaNEL
HARD 83 * 1
i &RAY SILT
VERY HARD
CRAY SI
TP4
¢5 t0PSoil
CROWN GRAY
SANDY CLAY
6.0
1
DROWN WET
M ITT GierdElu'
AN WITH
its OCC_ COMES
1.4A:ER SLEPRiG
INTO TEST PIT
BELOW Z fT.
0
r
•
T
•
LO
tLT
1F U b WW1
GRAY
51LT
(0.0
'3.0
o..
VERY YRRD
GRAY SILT
TPA
WS011 --
MOWN
CLATEY SILT
5.0
&WWI VET
SU.TY• #
J GRM LI.1Y WOO
15
*USX 5EE?I45
iTiTO TESL PIT
&IOW a rr.
TEST PIT LOGS
Test pits excavated. by power back hoe
. Jan. L6 through t6 1959
Ni1•] X1•1
BROWN
SILT
IO
SS
4.
TP6
bPN. StLTY _OO
4 GP.MEt
53ME WYE
r.Ta:�s�c�a
M. SIND
S
NEPintatIODID
YSLOt aC mi
K;✓1/46
WATER SEEPING
‘N TO P.T XT 4.5
TO 5.5 F'. DEPT1i
1
•
0TP4
0 71'3
Limits of Project •
_Cou..tisce - "
•
1.0
10/91/90
Bt3 •
GRAY- BROWN
CLAYEY $11.7
W1T1i OCC.
eROwN 4
GRAY PEAT
I . DARK •
•
• ;GRAY;
RGANIC
SILT
i
GRAVE L
5✓11" MINUS
10
VERY ;oMwt
"KTY SAND
:4- GRAVEL
3
B
0 --
• . BROWN ' •
SAND X I 19/12
• BECOMING
• • ••GRAVELLY
../ VAIN DEPTH, 2Y 27/12
• .SOME SILT
11X- --
= f ,
19.01
. • .VERY
. •HARO
• GRAY
• CLAYEY
• SILT
• WITH 6I 90/ 10 •• • • OCCASIONAL
• LAYERS • 7 57/6
F,INE
SAND,
•41U SOME SA ND 8 z 47/6
14:25 FAX 208 5.( )988 SHANNON & WILSON
2.0
wC 7•zi1o
•1
i:C /G
91a: 9. 32-X ,
• I.566
e
q X G6/12.
SI 90/i re.
B14
0
GRAY -BROWN
CLAYEY SAND
Willi ScME RAV
8.a 5 /LGEL
q GR AY BROWN
dRGANtC SILT
4 .PEAT •
GRAN-moat .
Q i
0
3.0
DATE
- 26 - 59
DRAWN
0
I m t1 /, 5.0
w.c.: �q.oy
8.0
LEGEND
B15 •
•. • BRowN
ORGANIC • SILT.;
GI;A% SILTY
MED. SAND
W.c. • 6a
InISA
a..
2,2a 16/4
16.0 31444/6
16.0 BLUE • GRAY q x 1 69/6
c:MP+CT SILT W1c1 % Z.8.7x l9 S 3m Ws
RAY SILIV
MEDIUM S AKD
, CLEAN MED.
SAND WITH
SOME PEP,
GRAVEL
"MARINE SHELLS
DEPTh OF BORING IN FEET
LOCATION 0F' EsOR1NG
LoCA'TIoN ' OF TEST Pr r.
PORTER SAMPLE
DISTURBED SAMPLE FROM POWER. NG Ft.pft
SAMPLE NOT RECOVERED
. IL
NATURAL WP CONTENT
. •Z SPLIT SPOON •STANO PENE'TRP •ION SAMPL
• • •..f • ti+
• 'V6 , . -7/l?. ' ETC. t KATE Tl1E NUMBER OE: 81.17WS PER DRIV N
• DISTANCE IN INCITES U 51NG A • 39 p1.,
DROPPED IS INCHES. (PaR.TER SAMPI'4S) • '
SPLVT SPOON 1310W couN T ; I4P
QROPPED • 30 ltyCHES . , '°
a l t;•.:
IB.O. GRAY S11DY
19.5 MED, SAND
WITH OCC.
•'p E GRAVEL •
•
•
RS
•
,3m 66/6
•
PLAN. anc LOGS •'
of
r vn1 t'1D A"T' :.
•
• X. •
•
STRATA
SAMPLE
DEPTH NO.
CNCM
BLOW
COUNT
STD.
• DESCRIPTION OF MATERIAL
WATER
LEVEL
PEN.
COMPOSITION
CONSISTENCY
MOISTURE
COLOR
•
•
•
6• �
12 '
16"
2iti
361 P
5 r
66 "
66"
72s
•
•
'
.
_ •
�
• � ) A ubL :1?
1
TURNNINAJI. S 11'RIF
•
/'TWIST si LT Li, trN
t, t rrLt- S/}kh 7 - 0 `
I •
60 fivW 6 I. PTN.
12
•
•
8
-
MIr01gM
.
S
f1F KSC
• '
78"
`
'
P3
son
50
4
ID�
96"
10
109"
!
•
—
x
50+
tiAan
3v7
iv L
id P
—
Sot
NAaP ?
•
Nor 251ti. IuAMM ER
•
• Et mew DRO •
• 13/*"0 TIP
•
Mo r(? — 2 I iJ 5 S /0
•
.
AAC.K 11QC
1z'xt AAVA TION
Da 7.241
PROJECT
SEATTLE ENGINEERING DEPARTMENT
MATERIALS LABORATORY
LOG OF TEST BORING
DATE — a 90 - aeZi Pit .2)
5410- C L DnR RIvt. A PI PIsums Y' Pnorticwom
GRD. ELEV.
LOCATION 20� S IO 6 � � r � ,k � ATLiltMpfN A BiDEiT II,r FROM ro /I Ole SiOPG' �A EIot 3 /-c 's
eIStI4VON t rgle.t S
INSPECTOR
JON MARSH
HOLE NO N N i
STRATA
DEPTH
ri;
SAMPLE
NO.
stow
COUNT
STD,
DESCRIPTION OF MATERIAL
WATER
LEVEL
PEN,
COMPOSITION • .
CONSISTENCY
MOISTURE
COLOR
•
fly
3'
,
sal 6 It tI.Y
MI
.
•
•
. .
'
MOtt:T
aOCsr
. .
u r
• L.
B R...,
0 t_�cs
HOIST
;.
1
1.14`IL'Rt D
DRY
TO
t4/ITN 5 NV) Y Stt.T
St.
PO 4 sl;a?ts
/JOIST
•
NUM — z c to5' N /■
14 it i
.
5'
•
BoT
•
CB 7.141
DATE 1 "- 8 - Q O
PROJECT
C ATTLE ENGINEERING DEPARTMENT
MATERIALS LABORATORY (.
LOG OF TEST BORING
[jri,j P tr *•Z ) •
1t/D - C.t_=DAR RIV1r1 PIPMINV - I PROTtutO,v
INSPECTOR
•
HOLE NO.
JON MARSH
oxt
GRD. ELEV. .
LOCATION ""k Z- s it E /0 kt 15470 10' 'k d O t' l.: 3 4P $t,OPC:
SAMPLE
STRUCTURE
W S
N
SOIL DESCRIPTION ,
i 1
.
°
1V'Hid30
ev,.a11Iec
. '
• WATER CONTENT.%
29 49
°0...,
•
PIEZOMETER DATA
Top elev. riser A 94.7'
Top elev. riser B 94.6'
'Ft` 1 °$
k7.
.
Hord,proy, fine sandy SILT
(ML) w/thIn r tine,sond
seams a layers of clayey slit
P.
•. 'f.
•
11
21
•
•
r
J�
10
20
to 20
10 20
�! J
10
3I
4 1 20
. • "
`•-''
B
•
4
61
•
•
: •
!
A •-----Th.
Gray- b rown, silty f ine SAND
Hard, gray, clayey SILT(ML
B CL) d sandy SILT w/t Ins
sand.
•
•
Bottom of boring
71
a!
40
91
IOJ 60
60
70
eo
So
100
110
120
i
130.
•
•
,
,
I.
1'
1
•t
A
•
t
.
.
•
•
•
•
'
-
-
I.
f
✓�
Much 31,11ee w- S• -4eee
SHANNON S WILSON
TUKWILA INTERCHANGE
AGREEMENT V- 717 SUPPLEMENT e
3O'
SUMMARY OF FIELD .a LABORATORY DATA
BORINGsNO. E3 1_• •
srow 102 +70 offset 66 R E1iv. 94.6
FIG. 3.30
SAMPLE
STRUCTURE
E W 3
N
J SOIL DESCRIPTI■A r
'
•
I
VH1d3G
cvs
(
• WATER OONTENT,% .
29 49 80
l
PIEZOMETER DATA`
Top of riser elev. 106.7'
JAN FEB MAR
Stiff, tan to brown, clayey,
sandy SILT vf/tra a of
I
2
3 10
4
3
s
T 20
It
9
10 •
II
1 30
13
14
13 . 40
50
GO
To
50
90
100
110
120
130
• •
•
• ~
0
l0 2b
_
l0 7A
10 20
Very stiff, pprraay, layered,
silty CLAY(CU. clayey SILT
(ML.1 and silty SAND ISM) vl/
zones of fractures and
sfickensides, pockets of sand
of tlnearIin s and pockets
•
Bottom of boring
125•
23•
u
•
•
r •
•
er`•
— �•
I
f y
�I -�
15%..13°L--.1
C
. •
•
•
•
2Z.�
13•
•••••-w—.
•
•
•
. '
.
•�
- ---44—'—}1—.
-
•
.
•
•
•
• •
•
•
-
•
-
•
MNOA SI, Ifes . • W- e4 •Iese
SHANNON • WILSON
• TUKWILA INTERCHANGE
AGREEMENT Y- TI) SUPPLEMENT •
SUMMARY OF FIELD A LABORATORY DATA
BORING : NO. 23 ,,.,. 3 -1"
sto.W 99410 O 95 Etev, 106.7
FIG. 3.32
I
t50
IS0
0`
230
200
ISO
100
50
5.tS0t• Se
Aee.m.Ilwits of
ma slide sere
SAND 8 GRAVEL FILL
53111 -. S.
H (S4
1864
Fine to msd.SAND8GRAVEL
very stit n a 19 S3
Y
Dark graY.silty SAND
Hard. gray, sandy SILT
•
•
•
saelsMdie
2.315.66
F _-i _ ip-rA
43rd A..S.
238
Sandy SILT
ra...
ltns ro
medium SAND"
DH-7A
28
2A SoS64 S5
Brorrktlaysy WLT
Gray•cy SILT
w /50nd11 homes
i
SL
PROFILE 5 ' — W102+70 --
7
l
Massive gray. clayey SILT
Laminated, gray SILT w /line sand
Dense, gre' (Ine'maad sANe —.
ate growl
~' 6 W I05 +20
•
hard,
ItUMM••••
. • W Line
M
clayey SILT ' r
graydayeySILT St
L Line
•
250
200
I50
100
50
0
ar ea• 2 Mass -
PreeesedAUse set
- A Line _
235
16
SCALE. feet
TUKWILA INTERCHANGE
AGREEMENT Y --713, SUPPLEMENT 6
250
200
Om
'0
0 'SO 100 LSO 200
GENERALIZED SOIL PROFILES
NO. 5 & 6
n
lE
t
r
Nerd, gray, clayey to sandy SILT
et al etenslde
c aaad;
S/LT
Den
N.Oroy SAND
Gray, fine to medium SAND
Groy eatyp(TILL)
T111-like structure
•150
Tan
re " fine to mad. UM)
Hard, grey, clayey SILT
SAND &GRAVEL r � —r
DH-8A
53n 1.16.4S.
Lin
.luw.196
=
G bo.n,ft SAND 238
, Cr aw elo
NOTES
L Soil conditions shown between borings are an
interpretation of the data and do not neces-
sarily represent those actually present.
2. Water levels shown Ste far 2 -15 -66 except
. as noted on the profile.
DH -3A
IA
IB GUM euega
Gray, sandy Ito clayey S'ILT.„.
ft T
Getty, layered I SAND S SILT
Gray, fine SAND
t
. PROFILE 3 W 97 + 53
Sandy
S
l
Stied,
sI Gear clayey SILT
d � ' _, 7
d W LMe cut
232
Laminated, gray SILT with fine sand
Dense, gray. fine te....dt SAND
\ Gro II jay ........
J a 233
Sryj
r Da -..-____,...
ense, sin f. St .....
SAND
`_ !a � '
Very dense SAND
Hard,groy,clayq SILT
W Line
4 1 2 - + 8T ,
A Li
Dsnee,gray- brown,sondy SILT
Browny clayey ?SILT
Gray, clayey SILT
with sand lenses
t �
DH-
1954
A Line Lw Line
S-5 • .
W Line
GIP
0
20•
200
z
0
rear 2 pens -
231
15•Groy, sandy SIL
Silty SAND
+ ray, clayey to sandy SILT
• A Line
r
TUKWILA U41
AGREEMENT Y - T13.
GENERALIZED S
NO. 3
MARCH 31. DU
SHANNON &
so.,. reo•rece a POUF
• . TTLE ENGINEERING DEPARTMENT
" MATERIALS LABORATORY
LOG OF TEST BORING
C8 7.111
STRATA
I-
N
DATE I) ` 1 o
PROJECT S W D - Ce R r %AER PI P t: LINE # Poorecnom
LOCATION 20 d
1 S/0 ^- 60,116 .tiJmrvR 114.,, kit 36' &ML Asi1#41..r Atot: Rona ( 53
DEPTH SAMPLE
N0.
511
10-
IS-
20
2S
30
80H 31'
R
C.
D
2
11
BLOW STD.
COUNT PEN.
Ae:GtSS Plr *31
DESCRIPTION OF MATERIAL
COMPOSITION CONSISTENCY MOISTURE
RL.OGkY SrPLlGr14RI;
v� IZY VkRy
2 3 SR/ wtrlf LIWLLr d1 LT LOOSIz MOIST
4 NI? I Law 6,RAVI
(TIP- 6RA1 t11.T,
STRRTI F!LiD NOM- PL14Sne+
JD 1_L7 SILT WITH Oc.RS10N! . VERY VAR
sn FF 110167
VEERY FINti SAND THIN .S 4,j
A w1 L.IrrI.Ls SILT • WLT
VERY
9 rf} 27.12." - 5TRA F/tia Not4 -PLA srv_ StiFr rtol'J
slt_r wfGRAVr -tty 5RNt1 SLRf
Arlo FIHtT shkn Pitarl u6S
S TRAT I t-1Cr'D /J RPlR NOM
PLASTIC sl 6RA01N6 TO
11 '?_Z 3 � NARD
VERY Feuer 5AND6104t40
STRB rIF•00. I'
MOIST
To
Vi
HOL T
HOLE NO.
GRD. ELEV.
COLOR
BI.P STRUGTURL" _Thu
/t V �R� � 8ROwxs
2. 2 . LI- SRAi 0 Lui rH LIWL.tr $14T LoOSl:' MP /ST Re =ns
'vitro . • a
f7tAl 0
SWIRLS °
c Q 11 -s - -9v
- 11 -2 - 90
0
B ROII4V o
GRAY
TS i
• WATER
LEVEL
•
we TN
T'v°' o
•
GRAY
'INSPECTOR Jo W M ARS H
GRAVUL.
PAt lG
EDUCATION
RESUME
Albert C. Rice
June, 1964 B.S. degree in Civil Engineering
Utah State University, Logan, Utah
June, 1978 Master of Engineering, Geotechnical Engineering
Utah State University, Logan, Utah
LICENSE • • .
Professional Engineer, State of Washington, License No. 12361
TRAINING
1. Wave Equation Seminar on Pile Driving, 2 days, February,
1977.
2. Drill Shaft Foundation Seminar, 2 days, November, 1979.
3. Fundamentals of Deep Foundation Design, 40 hour course,
University of Missouri, November, 1980.
4. Construction Claims, 2 day Seminar, Battelle, October, 1983.
5. Hazardous /Toxic Waste Management, 2 day.Seminar, Washington
State University, October, 1987.
EXPERIENCE
June, 1984 to Present
Plan, coordinate and direct the functions of the Materials
Laboratory including materials testing, investigation, quality
control and materials research. Supervise materials engineering
in project development, construction and maintenance. Review and
approve materialf.o design reports. Contract for and schedule
commercial testing and inspection services as needed. Supervise
research.into new methods, techniques, processes, materials,
instruments and equipment for improved construction, maintenance
and inspection of public works projects. Supervise soils
engineering work for Seattle Engineering Department.
• -J
Page 1
September. 1980 to June, 1984. Associate Engineer. Seattle
Engineering Department
Assigned to Corps of Engineers, West Seattle Freeway Bridge
Project, Foundations Section for:
1. Inspect and monitor contractor operations related to
foundation construction (e.g. pile- driving, tie -back retaining
walls, soil densification), to assure contract compliance with
plans, specifications and safety regulations.
2. Interpret plans and specifications, review test data, perform
engineering studies and make recommendations related to
foundation /geotechnical engineering problems encountered during
construction.
3. Train and closely supervise a staff of four subordinates
involved in inspection and monitoring of foundation construction.
4. Monitor, . coordinate and review work by
Consultant.
August, 1975 to September. 1980. Associate Engineer. Seattle.
Engineering Department .
1. Engineering design and preparation of contract plans and
technical specifications for upgrading of Seattle's major water
distribution reservoirs.
2. Hydraulic design for the new Riverton Heights Reservoir
including preparation of plans and specifications for piping,
overflow structure, valving and telemetry controls.
3. Hydraulic network analysis for development •of recommended
improvement required to upgrade existing pipe distribution
networks to the present fire code-- Water 61 and First
Hill watermains.
4. Consultant selection and supervision for:
(a) Tolt River Slide $ 23,000
(b) Tolt River Dam Safety Study $245,000
(c) Reservoir Seismic Analysis $200,000
5. Special Studies:
(a) "South Beacon Reservoir, Subsurface Investigation and
Groundwater Study" to determine cause of excessive leakage and
slope failure and to recommend alternate solutions.
Page 2
(b) "South Beacon Reservoir, Selection of Membrane Liner"
for reservoir rehabilitation.
April. 1969 to August. 1975. Associate Engineer. Seattle
Engineering Department
Conduct and /or supervise soil and foundation investigations
including- -test borings, lab testing, engineering analysis and
reports for projects such as pipelines, tunnels; building,
landslides, retaining walls, interceptor drains, transmission
lines and landfills. Also, evaluation and inspection of
construction procedures related to foundation.
June. 1968 to March. 1969. Geotechnica Engineer. Terra Tec. Inc.
Involved in design, manufacture and installation of field
instrumentation, pneumatic piezometers, earth pressure cells,
extensometers and settlement systems for various earth fill
structures. Supervised the installation of Terra Tec equipment.
June, 1967 to June, 1968, Assistant Engineer, Seattle Water
Department
Primary responsibility was development of Comprehensive Longrange
Water Supply Plan 'for King County. Twofold purpose of study:
analyze and project water needs within metropolitan area and
present plan of development to meet this need.
March. 1966 to June. 1967. Geotechnical Engineer. Shannon and
Wilson. Inc.
Conducted foundation investigations including field inspection,
lab testing, engineering analysis, and reports.
•
• ...'DRA1`T
MATERIALS /GEOTECRNICAL ENGINEERING SUPERVISOR •
7006507
Class Summary! • ' • .!! .
Positions in this class, under limited supervision, supervise professional
and technical staff in a Material$ Testing Laboratory which is responsible
for: (1) testing and researching' of•'•materials in'Public Works
construction projects to ensure compliance with applicable standards and
specifications; and (2) geotechnical investigations'by the engineering
design division or other City departments.
:priva: ^
'Distinguishing Characteristics of the Class:
This is a first -line supervisory in the Materials Engineering Group.
The Materials /Geotechnical Engineering Supervisor is responsible for buc.get
management, quality control' assurances and over all program administration
for the :rste=_als laboratory. This class has full supervisory
responsibilities over subcrd_ rate Engineer and'Specialist positions in
addition to the Materials /Geotechnical staff.
Knowledge of materials engineering testing and standards applicable to such
tests, geotechnical engineering andix'westiga:ionS,' Soil mechanics and
various types of testing 'equipment :s Requires - ability to
supervise professional employees: • .. ";• r.r.'! to C• '.~r!t (:'r a ':mbi.-'j' . c!
?. le_ ican Society of Testing Materials Manuals ;' • ' Transportation Standards
and Specifications and State Construction Manuals are available for
directing the testing of materials. •
Employee in . this class is responsible 'for establishing: and
subordinates' priorities, deadlines and.resolving problems... Judgment is
exercised in applying standards to unusual or complex situations'and when
test results are marginal. 'Employee is expected to resolve most problems
with only general supervisory direction. Supervisor seldom reviews work.
. . t .. 1) ,I: 1 .. • i 4. r. 4 . i . 1., •.. C .••. ; .. • ,. • . .
Typical contacts include,inspectors,. project.managers,,design engineers,
contractors, consultants, and representatives from private testing agencies '
to coordinate tests and provide information on test results= and with
product manufacturers, and suppliers to exchange information and coordinate.'
tests.
. .' . .
Examples of Work: '
o Supervises and directs' the work of engineers, engineering
specialists, and student' interns involved in testing of materials
used in public works construction projects and conducting
geotechnical investigations. . •• .
ti
Title: Materials /GeoteCnical Engineering Supervisor (: .;`
Schematic Humbert 7006507
o Directs the planning, scheduling, and coordinating of work of
Materials Lahora :or; staff.
•∎•' :i•. • ... :as!•t 1!Tic . • ...
c Approves /disapproves materials and tests used on public works
projects.
o Provides input /consultation to design engineers and project managers
in various departments.
rir• 1 !t' ` { R 7►!' i �t';'t r ' ti. ! . t +... n ':
o Reviews technical•specificationst• :consultant reports and contractor
submittals related to materials and geotechnical engineering issues.
o Prepares and administers budget for the Materials Laboratory.
o Contracts for and monitors commercial testing and specialty
inspection services. :.
o Performs other related duties of a comparable level /type as assigned.
: Vf•5!! •i•i•r• 31 1 • Ar%colci .t••? F. tr•.Y !.. •
Work Environment /Physical Demands: *•:•i • :•! ':1
c M.: s: ::crk .s perfc•rr.ed in. a laboratory environment. ,• : ;! :; .
Minimum Qualifications: r . '
•
....t :r :r+: erg r':;t:i R:.,rJ {.- ,. •4. r .;..! „ !., •,
Requires a batchelor's decree•in Civil;'Chemical :•• or Mechanical ' '
Engineering, or closely related field•ard five•years of. professional•level
work in engineering materials"testing and' research (or a combination of
education and /or training and /or experience which provides an equivalent
background required to perform• the work .of. the ;class) .• t : I.::•{ t: .
Licensing and Other Requirements:..•;'.•
Registration as a Professional Engineeriin the State of Washington.
Comments: R °• { , i.tt,k3 ;. 4. t: t,h Lee, r'_ct'NL•
✓ , �•� �fi i <�tiv :` �t'p4r�'G ' •i�lt�i�'. :. � • i`lis�7(M11.hi w'! r� ;
i. •
This description was prepared to indicate the kinds of activities and
levels of work difficulty, required of positions in this class. It is not
intended as a complete list of'specific duties and responsibilities. ,
r! • •:r s elf3 :•i :; i..� t : •'. • 4:.1 t•%7.1 t l:i,� i f; x• :i : . t• . �
Class History: ' ' • • : ;:li,'• • '. ... ,e9tch+tn,i4 !tit inn and •ot :In r t.1'.
Materials Engineer, Sr., 06203 •"':i;
Class adopted January 2, 1991 '
. t••.: •9 • • !• *Kirk :. . t9t: , ' t.tlt =.fi'r: , e;.i•" ^f` is 4 . / •
• . °•' :i: 1.'. ,.tK .int•.I.vo.. In 'ilt7.!'r'o . t•: ls:* n
• 1, •.. • .•1 • i.t-, := •,;nn• r 'r i ytiil'to. .t.1;t
2
City of Seattle
Executive Department -Office of Management and Budget
Andrew J. Lofton, Director
Norman B. Rice, Mayor
November 8, 1990
Rick Beeler
City of Tukwila
6300 South Center Boulevard #100
Tukwila, Washington 98188
Re: Cedar River Pipeline #4 Protection
This is to certify that the City of Seattle is self - insured for all incidents. Should an incident
occur which is deemed to be attributed to the negligence of the City of Seattle, self insurance
would apply.
L ONARD H. BOIS
Risk Manager
STATE OF WASHINGTON
COUNTY OF KING
LHB /nct
)ss
ibed and sworn (affirmed) before me this /3 da o
1990.
cc: Liz Stanton, Water Management, SWD
Office of Management and Budget 300 Municipal Building Seattle Washington 98104 (206) 684 -8080 An equal opportunity employer
"Printed on Recycled Paper
NOTARY : BLIC in and for the
State of . shington
Seattle Water Department
Robert P. Groncznack. Superintendent
Norman B. Rice, Mayor
November 5, 1990
Joan Hernandez
6200 Southcenter Blvd
Tukwila, WA 98188
RE: Waiver of Grading Moratorium
Dear Ms Hernandez:
As provided by Section 3.E of Ordinance 1550, The Seattle
Water Department wishes to petition the City Council of the
City of Tukwila for a waiver of the city's moratorium on
development in environmentally sensitive areas. A waiver
would be required to perform grading for the protection of
the Seattle Water Department's Cedar River Pipeline #4 at
Southcenter.
In response to a break which occurred on the Tolt River
pipeline in 1987, the Seattle Water Department is engaged in
an ongoing process of examination and assessment of the
concrete cylinder pipe in it's water supply system. An
investigation was recently made of the portion of the 60
inch diameter Cedar River Pipeline #4 beneath 1 -5 near
Southcenter.
This segment of the pipeline is of particular interest
because it was installed previous to the construction of I-
5. In some areas the pipeline is overlain by as much as 35
feet of structural backfill used in achieving the final I -5
grades. Although the design work done for I -5 attempted to
account for the effects of backfill on the pipe, it is
apparent that highway construction has had some impact on
its structural integrity.
Seattle Water Department— Dexter Horton Building, 10th Floor
710 Secona Avenue. Seattle, Washington 98104
NOV 12 1990
Joan Hernandez
November 5, 1990
Page 2
The analysis consisted of review of original suppliers data,
structural calculations, and a physical examination of the
pipe interior. The results of that effort are documented in
a report being prepared by our consultant, CTL. The
physical exam in March 1990 indicated that in some locations
the pipe is undergoing deflections to the cylindrical shape.
These deflections are the result of vertically applied
static loading vs. lateral support provided from backfill.
Actual deflection exceeds allowable design limits under the
deeper freeway fill sections and cracking of the mortar
lining has occurred. Weakening of the steel pipe structure
due to water infiltration at the cracks is a likely
consequence of the deflection which was observed.
Our evaluation concluded with the decision to proceed with
protection of the portion of the pipeline which runs beneath
the Tukwila Interchange. Approximately 1200 linear feet of
54 inch inside diameter steel pipe is to be inserted inside
the existing pipe. Access to the pipe will be through three
pits as shown on the accompanying vicinity map. In
addition, a 130 -foot long 12" service line will be installed
to restore an existing water service to the City of Tukwila.
Moira Bradshaw of the Tukwila Department of Community
Development has informed us that the slope on the west end
of the project where access pit #3 is located is of special
concern to the City. We have thoroughly researched the
available reports on this area and are performing additional
geotechnical borings in support of the excavation permit.
The amount of excavation required for the access pit will be
limited in scope and will involve less than 200 cubic yards
in a soil volume of approximately 15 feet square by 15 feet
deep. The soil to be removed is non - native structural
backfill which was placed as part of the installation of the
original pipeline. We believe that the slope will generally
support the construction anticipated but are prepared to
ensure the maintenance of slope stability.
To maintain the reliability of the water supply system, it
is imperative that the project, in its entirety, proceed
during off peak periods of the year, i.e. not between May
and October. Construction is scheduled to occur during
January and February of 1991. In our professional
judgement, the most prudent course of action is to proceed
with the proposed work as described to avoid potential
disruption to the water supply system.
Joan Hernandez g r
November 5, 199
Page 3
In support of our waiver request, I have enclosed the SEPA
Determination of Non - Significance for the project as well as
project plans and specifications in their entirety. Please
contact the Project Manager, Les Nelson, at 684 -5919 if you
have questions or require additional information. I would
also appreciate knowing the schedule for your review and any
dates we might expect to appear before the City Council.
Sincerely,
WALTER F. ANTON
Chief Engineer
Water Management and Engineering
WFA:ees
EES /tukexc
Enclosures
cc: Jay Laughlin, Assoc Env Analyst
Les Nelson, Assoc CE
12/04/90 08:57
MEMORANDU
SENT BY:
PHONE NO: 6
FAX COVER SHEET
crtm-rfari
4
444
TUK W RKS
M VO "
TRANSACTION D TE: TIME: TOO MIKA
FAX NUMBER: (206) 684-4631
TOTAL NUMBER P PAGES: 5 NAtrkvtt'i CeAreir_ 'Owe
• TO: CA11 - 1\-A<•^At-e■ FAX NO:1St-VAS
ATTN: tACAN4 1:4146A*AN4
COMMENTS: sir_ L-01.1.4- kw ticoM, t4 %tow Ai) 014
\Atm* k NAVE. fr Jib Mart oF fl
ta 1 tserePtC0 lb S. Aril SPY' 'MM.
t4 th1147t1S OP - MC ValeVVR.
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411 001
City of Seattle
Executive Department -Office of Management and Budget
Andrew J. Lofton, Director
Norman B. Rice, Mayor
November 8, 1990
Rick Beeler
City of Tukwila
6300 South Center Boulevard #100
Tukwila, Washington 98188
Re: Cedar River Pipeline #4 Protection
This is to certify that the City of Seattle is self - insured for all incidents. Should an incident
occur which is deemed to be attributed to the negligence of the City of Seattle, self insurance
would apply.
L ONARD H. BOIS
Risk Manager
STATE OF WASHINGTON
COUNTY OF KING
LHB /nct
)ss
ibed and sworn (affirmed) before me this /.3, da o
1990.
cc: Liz Stanton, Water Management, SWD
NOTARY BLIC in and for the
State of . shington
Office of Management and Budget 300 Municipal Building Seattle Washington 98104 (206) 684 -8080 An equal opportunity employer
"Printed on Recycled Paper"
The'City of Seattl
Seattle Standard S
Construction)
City of Seattle St
Construction 1986,
"Traffic Control M
September 1, 1987
junction with the
Streets and Highwa
Department of Trans
Washington State De
Permit No 14649, s
+-04 TUK PUB WORKS Q003
( 7► p•c•C 0,116100.
RIVER PIPELINE 14 PROTECTION
PLANS AND SPECIFICATI
The CEDAR RIVER PIPEL NE 14 PROTECTION improvement together with
incidental work in co nection therewith shall be done in accordance
with:
. The Superintenden of Water Plans, Drawing No. 120 -23, Sheets 1
to 9.
Standard Specifications. (1989 City of
ecifications for Road, Bridge, and Municipal
ndard Plans for Municipal Public Works
Eleventh Edition.
nual for In- Street Work, Seattle, Washington,
which supplements and is to be utilized in con -
Manual on Uniform Traffic Control Devices for
(MUTCD), 1978 Edition," as published by the
ortatlon, Washington, D.C.
artment of Transportation (WSDOT) Franchise
e Appendix.
City of Tukwila Con truction Permit No. , being acquired
by SWD.
Washington State Department of Wildlife Hydraulic Permit No.
, being acquired by SWD.
iver.to City of Tu wile Grading Moratorium, being acquired by
3WD.
ity of Tukwila Exca ation Permit, being acquired by SWD.
=tract from City o Tukwila Noisd Ordinance, see Appendix.
this Project Manual.
LEGAL RELATIONS AND RESPONSIBI
Except as provided for otherwise herein
ncluding Change Order Work, shall be the
'.ontractor until the Acceptance Date.
lestruction of, either permanent or temporar
naterials, or equipment and plant shall b
eplaced by the Contractor, at the Contra
egardless of the cause of damage. '
Exceptions to the above shall be limited e
)slowing•.
(1)A part of the permanent Work pert
Contractor which is damaged by earthq
other act of God, or by slides occurri
slopes before final acceptance of the
however, that this exception shall no
damages be by reason of the Contrac
comply with the Contractor's contractual
or to perform sound engineering an
practices in the conduct of the Wo
reasonable precautions under the circum
(2)Third party damage or vandalism occ
Actual Completion Date.
r 'S TO THE PUBLIC
(5) Disqualification of a bidder, contractor, aibcontractors or
other business from eligibility for pro ding goods and
services to the City for a period not to ceed two years.
No contract shall be awarded to any n or business
which is disqualified from doing busin as with the City
pursuant to SMC 20.46 or similarly d squallfied from
doing business with another governmen agency based
upon a failure to comply with WMB requirements
substantially the same as SMC 20.46.
1.07.13 CONTRACTOR'S RESPONSIBL FOR
WORK AND DAMAGE
fter, the Work,
ole risk of the
amage to, or
work, utilities.
corrected or
tor's expense,
lusively to the
rmed by the
e or flood of
g on finished
ork; provided,
apply should
or's failure to
esponsibilities
construction
k, or to take
ces.
ring after the
Damage qualifying under the exceptions lis d above shall
corrected promptly when ordered by the ngineer, and
tmpensation therefor shall be made at the nit Bid Item
ices, if applicable, and as extra work if not. Where public
fety is affected and an emergency exists, the Engineer may
:et to accomplish repair by means of Owner p ' vided forces.
)thing contained in this section shall be onstrued as
lieving the Contractor of responsibility fo , or damage
suiting from the Contractor's own operation • or from the
intractor's own negligence, nor shall the ontractor be
lieved from full responsibility for making goo any defective
unauthorized work.
The Contractor shall bear sole responsibility or damage to
operty located off the Project Site cause by erosion,
tation, run -off, or other related cause during the
natruction of the project and for any pollu on of rivers,
earns, ground water, or other waters which y occur as a
;ult of construction operations.
)7.14 INDEMNIFICATION
The Contractor shall defend, indemnify and ve harmless
Owner and its officers, employees and agen s from every
im, risk, loss, damage. demand, suit, ju gment and
gney's fee, and any other kind of expense n account of
try to or death of any and all persons, or account of
perty damage of any kind, whether tangible r intangible,
loss of use resulting therefrom arising out of or in any
nner connected with the Work performe under this
itract. or caused or occasioned by reason of th presence of
property, or an officer, employee or agent f either the
itractor or a subcontractor upon or in pro miry to the
arty of the Owner, at any time before the Acc trance Date.
I the claim, suit, or action for injuries, death, r damage is
ed by or results from the concurrent neg ce of (a) the
tractor or its officer, agent, or employee and ) the Owner
33
A
1.07
or its officer, agent or employee, these indemnity provisions
shall be valid and enforceable only to the extent of the
Contractor's negligence.
The Contractor shall also indemnify, defend, and save
harmless any county, city or district and the officers and
employees of said county, city or district connected with the
Work within the limits of which county, city or district the Work
is being performed hereunder all in the same manner and to
the same extent as provided above for the protection of the
Owner and the Owner's officers, employees and agents
provided that no retention of money due the Contractor will be
made by the Owner except as provided in RCW 60.28, pending
disposition of suits or claims for damages brought against the
county, city or district.
1 -07.15 TEMPORARY WATER
POLLI.TI'ION /EROSION CONTROL
Temporary water pollution /erosion control work shall
consist of temporary measures which may be indicated in the
Contract Documents, proposed by the Contractor and
approved by the Engineer, or ordered by the Engineer during
performance of the Work. This temporary work is intended to
provide prevention, control, and abatement of water
pollution /erosion within the limits of the project, and to
minimize damage to the Work, adjacent property, streams, and
other bodies of water.
The Contractor shall coordinate temporary water pollution/
erosion control work with the permanent drainage and erosion
control work that may be specified in the Contract Documents
to the extent that effective and continuous water
pollution /erosion control is maintained during performance of
the Work.
The Contractor is hereby notified that compliance with
these requirements may necessitate performance of certain
items of work at a different time or in a different manner than
has been considered normal construction practices in the past
and that such revisions in scheduling of Work may interfere
with said normal construction practices.
Therefore, if required by the Contract Documents, the
Contractor shall, before starting the Work, submit to the
Engineer for approval an effective temporary water
pollution /erosion control plan. The plan shall show the
scheduling for permanent pollution /erosion control work and
for temporary erosion control measures the Contractor
proposes to take to prevent water pollution /erosion due to the
Work on areas within the limits of the project or on other work
areas outside the Project Site, haul roads, and upon adjacent
property, streams, and other bodies of water. The Contractor
shall not perform clearing, grubbing or earthwork on the
project, other than that specifically authorized in writing by the
Engineer, until the plan has been approved. The Contractor
shall revise and bring the plan up to date whenever the
Engineer makes written request for revisions.
The Owner will not be liable to the Contractor for failure to
approve all or any portion of an originally submitted or revised
water pollution /erosion control plan, nor for any delays to the
work due to the Contractor's failure to submit an acceptable
plan. The Contractor shall allow the Engineer not less than 5
working days for the review of a submitted or revised plan.
When the Engineer determines that water pollution/
erosion is likely to be a problem, clearing and grubbing
operations shall be so scheduled and performed that grading
operations and permanent erosion control features can follow
immediately, If the project conditions do not permit this
scheduling, temporary water pollution /erosion control
measures shall be taken between successive construction
stages.
The area of excavation, borrow, and embankment
operations in progress will be limited commensurate with the