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OCAG-64-765, A —dden #1 11
CITY OF RENTON & SOOS CREEK WATER AND SEWER DISTRICT
ADDENDUM TO THE MARCH 27, 1964 CASCADE INTERCEPTOR AGREEMENT
SUBJECT: REHABILITATION AND MAINTENANCE OF THE CASCADE INTERCEPTOR
THIS ADDENDUM is entered into this 5th day of January, 2011, by and between SOOS
CREEK WATER AND SEWER DISTRICT, a Washington municipal corporation, hereinafter referred
to as "SODS CREEK", and the CITY OF RENTON, a Washington municipal corporation,
hereinafter referred to as "RENTON", both being duly organized and existing under and by
virtue of the laws of the State of Washington,
WITNESSETH:
WHEREAS, RENTON and SOOS CREEK (operating as Cascade Sewer District) entered into
an agreement March 27, 1964 pertaining to the construction, operation and maintenance of a
certain interceptor sewer line, hereinafter referred to as "Cascade Interceptor"; and
WHEREAS, Some parts of the Cascade Interceptor are in need of immediate
rehabilitation while other parts will potentially need rehabilitation in the near future; and
WHEREAS, It is in the best interest of RENTON and SOOS CREEK to rehabilitate those
portions of the Cascade Interceptor in immediate need and to perform additional maintenance
and inspection on the Cascade Interceptor in order to extend the useful life of those portions
not in immediate need of rehabilitation; now, therefore,
IT IS HEREBY AGREED by and between the parties hereto as follows:
1. Rehabilitation of Portions of the Cascade Interceptor. RENTON will design, permit, bid
and manage a project to rehabilitate the structures and sewer mains between manhole
5321-009 and 5321-015, as shown on "Exhibit A", an approximate distance of twelve
hundred lineal feet. Rehabilitation will exclude that portion of the sewer main replaced
during the emergency repair in 2010.
The total cost of the rehabilitation (including design, construction, etc) is
estimated at $200,000. The total cost shall be divided such that RENTON will pay
twenty percent (20%) of the cost and SOOS CREEK will pay eighty percent (80%) of the
cost. RENTON will invoice SOOS CREEK, at the conclusion of the project, eighty percent
(80%) of the actual costs incurred by RENTON for the construction contract, staff costs
for design and construction management.
It is understood that RENTON may rehabilitate some sewer mains and / or
manholes adjacent to the Cascade Interceptor. If done as part of the same project, the
additional work will be identified as a separate h
p schedule in the protect and SOOS CREEK
will not be responsible for participation in this work.
i
2. Additional Maintenance to Extend the Life of the Cascade Interceptor. Recognizing that
hydrogen sulfide (H2S) is a problem within this system and is accelerating the
degradation of the Cascade Interceptor, SOOS CREEK will introduce a chemical
treatment at their Lift Station #5. The treatment will involve the use of BIOXIDE
solution from Siemens. Alternate treatment product(s) may be utilized under
agreement of both parties.
SOOS CREEK will occasionally access the Cascade Interceptor, utilizing proper
maintenance and safety procedures, at RENTON manhole 5321-013, 5321-014, or 5321-
015 to monitor H2S levels in the system to ensure proper dosing is occurring.
The estimated cost of chemical for treatment is estimated to be $60,000 (2010 dollars)
per year. RENTON will pay twenty-two percent (22%) of the invoiced cost of the
chemical as RENTON's share of all costs incurred by SOOS CREEK. SOOS CREEK will
invoice RENTON every six months.
3. Monitoring the condition of the Cascade Interceptor. RENTON will perform television
inspection of the Cascade Interceptor approximately every two years. SOOS CREEK will
pay eighty percent (80%) of the cost of the television inspection including the use of
RENTON's television inspection equipment, staff, and any required uired e ui ment or
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methodology for reducing flow in the interceptor to allow proper visual inspection.
RENTON will invoice SOOS CREEK at the conclusion of the inspection.
4. Obligations Intact. Nothing herein shall be construed to alter the rights, responsibilities,
,
liabilities, or obligations of either RENTON or SODS CREEK regarding provisions of
sanitary sewer services to their customers pursuant to any agreements previously
executed by the parties, except as specifically set forth herein.
DATED this 18,14 day of , 20�_.
Authorized by Resolution No. 1109'A of the City Council of the City of Renton,
Washington, at its regular meeting held on /'y'µ day of , 20
CITY OF E TON
Denis Law, Mayor Date
ATTEST: y
Bonnie I. Walton, City Clerk Date
APPR D AS TO LEGAL FORM:
Lawrence J. Warren, City Attorney
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Approved by Resolution No. 3271-S of the Board of Commissioners of SOOS CREEK
WATER AND SEWER DISTRICT of King County, Washington, adopted at its regular
meeting held on the 5th day of January, 2011.
SOOS CREEK WATER AND SEWER DISTRICT
C
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Ron TTSpeer, Dis r' Manger
I
I
EXHIBIT "A"
N
♦a
5321
010 5321
,Q 009
O
5321
20. 008
5321 32 5321
O 200201 011 218 5321
5321 2 17 5321
5321 '� 20(6� ti �Y46-(((
321 202 5321 Q c0 � .
521 18 321 203 z 3 �. 5321
019 017 5321 'Sl 215
0291 �' 5321' 204 4 �, Z10 `�~ene Cir Sr: `o
, 5321 <_ 5321 02131
532 co 03 205 �., -\211 5321
�.�,.{.
V5321 53 0214
O 32 0 212
,014
53Ty 321
532 23 /15
3 1 2-1 521
31 072 53 1
321
5121 32 025 5 1 0 3 321
028 02 0 6 8
5,21 21 532
7
G> 53 74 7 532
tir 533 0 1 1 321
53 X63
4
CJ 29 521
1 321 5321 t 532
1
5 2 2 2 061 5 1 65
5321
035 53,z1 557 56 2 53� 5761 7 5
C, 63 32 0 4 533 781 0 1
$32 5641 055 66 60 t S
532 21 6 53 1 32 5321 1151 5321 E fh C 2 5� 1 3�1
81 65 0 OS 0 10
5321 067
5391 114 '532 21 532
X 06 069 0 10
532 521 e 1 532
17 C 5321 1
5 6
8 6 Oi> 113 532
�o O 11 53?1
53 6 2� 107
88 d/ 8
321
6 9 11 1 1
ffj
Ad O O 0 112 09 5321
82� 566 5 821
18
21
048 531 51
21 E 9
810 1 5321 t 321
5321 050 116 5 21 5321 1
:321 12 532 1 9 120
811
321
J S S
T22
5321 h t
r 1/j.O 117 5 241
5321 23
118
Legend
PORTION OF INTERCEPTOR
TO BE REHABILITATED