Resolution No. 18-05 CITY OF TIGARD, OREGON
TIGARD CITY COUNCIL
RESOLUTION NO. 18-0-5'
A RESOLUTION OF THE TIGARD CITY COUNCIL ADOPTING AN OPERATIONS MANUAL
RELATING TO AN INTERGOVERNMENTAL AGREEMENT BETWEEN LAKE OSWEGO AND
TIGARD FOR WATER SUPPLY FACILITIES,DESIGN,CONSTRUCTION,AND OPERATION.
WHEREAS,on August 6,2008,the Parties executed the Intergovernmental Agreement Regarding Water
Supply Facilities,Design,Construction,and Operation ("Agreemene');and
WHEREAS,the Partnership has completed construction of an expanded water supply system("Supply
Facilities") for supply of drinking water to the two cities and their respective retail and wholesale customers;and
WHEREAS,the Agreement requires the Parties to jointly develop and adopt an Operations Manual("Plan'
for the Supply Facilities;and
WHEREAS,the Plan is developed;and
WHEREAS,an Oversight Committee,created by the Agreement,has reviewed the Plan and recommends it be
adopted by the Parties;and
WHEREAS,Lake Oswego City Council considered and enacted adoption of the Plan at the regular meeting of
the City Council of the City of Lake Oswego on the 5th day of December,2017;and
WHEREAS, the Tigard City Council reviewed and recognizes that the Plan currently assigns Lake Oswego as
the Managing Authority of the Lake Oswego-Tigard Water Treatment Plant. Tigard anticipates this will change
in the future and any changes to the status of the Managing Authority,as agreed by the partnership will require
an update to the Plan,as adopted.
NOW,THEREFORE,IT IS RESOLVED by the Tigard City Council that
SECTION 1. City Council approves and adopts the Lake Oswego-Tigard Water Partnership
Operations Plan,in the form attached hereto as Exhibit"A."
SECTION 2. This resolution is effective immediately upon passage.
PASSED: This day of Qatl&aI'd 2018.
ity of Tigard
ATTEST:
City Recorder-City of Tigard
RESOLUTION NO. 18-0-5-
Page
8-05Page 1
Lake Oswego - Tigard
Water Partnership
sharing water x connecting comniur)ities
Lake Oswego-Tigard Water Partnership
Operations Plan
Table of Contents
(1/10/2018)
I. INTRODUCTION
II. PURPOSE OF MANUAL
III. DEFINITIONS
IV. SUPPLY FACILITIES
A. River Intake Pump Station (RIPS)
B. Raw Water Pipeline (RWP)
C. Water Treatment Plant (WTP)
D. Finished Water Pipeline (FWP)
E. Waluga Reservoir No. 1 (WR1)
F. Waluga Reservoir No. 2 (WR2)
G. Bonita Pump Station (BPS)
H. Aquifer Storage/Recovery (ASR)
I. Appurtenances
J. West Linn/LO/Tigard Emergency Intertie Pump Station
V. LAND AND EASEMENTS—See Appendix B
Vl. SUPPLY FACILITIES OPERATIONS
A. Managing Agency
a. Authorities
b. Communications
c. Interruptions to Service
d. Supply to Tigard
e. Emergency supply
f. Supply to/from Others
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g. Water Quality
h. Energy Efficiency
i. Hours of Operations
j. Curtailment
VII. INSPECTION AND MAINTENANCE
A. Objectives
a. Extended life cycle
b. Safety
c. Reliability
d. Performance +< > Nf{ >
4a.v v::r
VIII. SPECIFICATIONS AND STANDARDS
IX. RECORDS AND REPORTING
X. TECHNOLOGY
XI. PURCHASING PROCEDURES v
XII. PERSONELL POLICIES
XIII. APPENDICES
A. Intergovernmental Agreement Regarding Water Supply Facilities, Design,
Construction, and Operation.
a. Amendment No. 1
b. Amendment No. 2
c. Amendment No ' .
d. Amendment No. 4
B. Lands and Easements.
C. Supply Faciliti.6,Map.
D. WR1/WR2-Valve positions for modes of operation.
E. Master list of wholesale and emergency supply agreements.
F. PGE/Enernoc Agreement.
G. PGE Alternate Service Agreements.
a.WTP
b. RIPS
H. West Linn/Lake Oswego/Tigard Emergency Intertie Agreement.
I. Communications Plan
J. WES Industrial Discharge Permit
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K. DEQ 200J Backwash Water NPDES Discharge Permit
L. Hazardous Materials Management Plan
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I. INTRODUCTION
This Operations Manual has been prepared and adopted to meet the requirements of Article XII
of the Intergovernmental Agreement Regarding Water Supply Facilities, Design, Construction,
and Operation.'
II. PURPOSE OF MANUAL
This Operations Manual establishes standards and protocols for the supply of water from the
Supply Facilities to the retail and wholesale customers of the Party's to the Agreement in
addition to generally accepted utility operations best management practices for all aspects of
the Supply Facilities.
OPERATIONS COMMITTEE
City of Lake Oswego: Primary: Kari Duncan
Water Treatment Plant Manager
Secondary: Kevin Batridge
Assistant'Water Treatment Plant Manager
City of Tigard: Primary: John Goodrich
Public Works Manager
Secondary: Aaron Beattie
Water Operations Supervisor
III. DEFINITI �u
1.1 Definitions {
As used .in this Operations Plan, the following terms when capitalized shall have the
following meanings:
1.1;1 Agreement the document also known as "Intergovernmental Agreement
Between Lake Oswego and Tigard Regarding Water Supply Facilities, Design,
Construction, And Operation" and any amendments thereto.
1.1.2 Capacity — capability from the various components of the Supply Facilities to
produce or deliver water; measured in cubic feet per second (cfs), gallons,
gallons per day (gpd), gallons per minute (gpm), million gallons per day (mgd), or
other comparable measurement and available based on current operating
conditions consistent with generally accepted engineering and operating
practices.
1.1.3 Curtailment Plan — A written plan developed for curtailment of water service in
accordance with OAR Chapter 690 Division 86 rules. Lake Oswego's Curtailment
Plan was adopted through Ordinance 2517.
1 See Appendix A.
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1.1.4 Demand — the amount of water used or projected to be used by a Party and
imposed on the Supply Facilities to serve a Party's Retail Customers, its existing
Wholesale Customers and ultimate service area measured in cubic feet per
second (cfs), gallons, gallons per day (gpd), gallons per minute, (gpm), million
gallons per day(mgd), or other appropriate measurement.
1.1.5 Existing Wholesale Customers — for Lake Oswego these are Lake Grove Water
District, River Grove Water District, Skylands Water Company, Glenmorrie Water
Cooperative, and Alto Park Water District. For Tigard, these are the cities of King
City and Durham and the Tigard Water District. <,
1.1.6 Fiscal Year—the time period as defined unde.r ORS 294.311(17). July 1—June 30.
1.1.7 Planning Forecast — the document sub.mitted<'0Y,the Parties in accordance with
Article 8.2 of the Agreement whichi shows the rDemands of each Party to be
imposed on the Supply Facilities and the Capacity owned or leased by each Party
in such facilities.
1.1.8 Summer Period—June 1 through"OCItober 31.
1.1.9 Supply Facilities — the, facilities utiliied by` the Parties consisting of Water
Treatment Plant Facilities; Transmission Facilities, Water Storage Facilities, and
other facilities necessary for treatment and'conveyance of potable water to the
Parties. A map of the Supply Facility components.is provided in Appendix C.
1.1.10 Surface Water Rights — those water'rights held by Lake Oswego registered with
the State of Oregon;Water Resources Department, which allow for diversion of
water for use at the Water Treatment Plant Facilities.
1 1 11 Winter Period November 1 through May 31.
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IV. SUPPLY FACILITIES DESCRIPTION
A. RIVER INTAKE PUMP STATION (RIPS)
Physical address: 105 E. Clackamas Blvd., Gladstone, OR 97027.
Lat: 450, 22', 39.80" N; Long: 122°, 35', 31.77" W.
General facility description:
Reinforced concrete construction with access-bridge rated for 120,000 Ib crane support (see
Crane Load detail below). Pump arrangement: 4 vertical turbine pumps with variable frequency
drives (space provided for future 5th pump/VFD); 480v, 3 phase, 60 Hertz. Electrical service
includes 13kV primary service (Jennings Lodge sub-station) and fully redundant 13kV secondary
service (Abernethy-Clackamas Heights sub-station).
Current nominal capacity—32 mgd; Current firm capacity @ rated head-28.5 mgd (19,800
gpm)
Future nominal capacity—38 mgd; Future firm capacity @ rated head—38 mgd (26,400 gpm)
Reference Documents:
Work Order#204—Construction record drawings and specifications.
Agreement for Alternate Electrical Service (see Appendix G).
Pump Removal SOP (template name: RIPS-T05-02-PumpRemoval.doc).
THE BRIDGE IS DESIGNED FOR THE FOLLOWING LIVE LOADING IN ACCORDANCE WITH THE 2010 AASHTO LRFD MIDGE
DESIGN BPECIFIGATIONIS (5TH EDITION). ALL LIVE LOADS INCLUDE A 33% IMPACT FACTOR.
SERVICE AND STRENGTH-1 LIMIT STATES:
HL-93: DESIGN TRUCK (OR TRUCKS PER LRFD 3.6.1.3) OR THE DESIGN TANDEMS AND THE DESIGN LANE LOAD.
STRENGTH-II LIMIT STATE:
BRIDGE DESIGNED FOR THE FOLLOWING CRANE PICKING SCENARIOS. MAXIMUM OUTRIGGER LOADS NOT TO EXCEED
THE FOLLOWING:
(30K MAX. CONCURRENT LOAD)
p� 2'-0• MIN. DIAMETER
('R-601
g (50K MAX. LOAD ANY PAD)
R p' O•-0' 'O '°
ON
N N
F_�
111-0 '-D (30K MAX. 0ONCURRENT LOAD)
50 TON CRANE LOADS
NO SCALE
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B. RAW WATER PIPELINE (RWP)
RIPS to Meldrum Bar Park
7,668 feet of 48-inch diameter, double lap welded steel pipe. 0.25" wall thickness,
polyurethane coating, cement mortar lined. Working pressure: 100 psi; working pressure with
surge allowance: 150 psi.
Meldrum Bar Park to Mary S. Young Park
3,930 feet of 36-inch diameter, butt welded steel pipe. 0.625" wall thickness, polyurethane
lining and coating. Working pressure: 150 psi; working pressure with surge allowance: 225 psi.
Mary S. Young Park to WTP
1,488 feet of 46-inch diameter, double lap welded steel pipe. 0.25" wall thickness,
polyurethane coating and cement mortar lining. Working pressure 100 psi; working pressure
with surge allowance: 150 psi.
Reference Documents:
Work Order#205—Construction record drawings and specifications.
Also see Section 8 "Appurtenances".
C. WATER TREATMENT PLANT (WTP) s
Physical address: 4260 Kentharpe Way, West Linn, Oregon 97068.
Lat: 450, 23', 08.64" N; Long: 1221, 37', 55.75" W.
General facility description
Conventional water treatment facility with ballasted sedimentation, ozone, high rate granular
activated carbon filtration and 2 million gallon buried clearwell. Pump arrangement: 5 vertical
turbine pumps: 2 constant speed, 3 with variable frequency drives (space provided for future
6t" pump with RVSS). 2 vertical turbine1`ackwash pumps with variable frequency drives. All
pumps 480v, 3 phase, 60 Hertz. Electrical service includes 12.47kV primary service (Sullivan-
Robinwood sub-station) and fully redundant 12.47kV secondary service (Oswego-Marylhurst
sub-station).
Current nominal capacity-39 mgd; firm capacity @ rated head —31.4 mgd (21,800 gpm)
Future nominal capacity—47 mgd; firm capacity @ rated head— 39 mgd (27,250 gpm)
Reference Documents:
Work Order#206—Construction record drawings and specifications.
Agreement for Alternate Electrical Service (see Appendix G).
WL/LO/Tigard emergency intertie Agreement (see Appendix H).
WES Industrial Discharge Permit (see Appendix J).
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DEQ 200J Backwash Water NPDES Discharge Permit. (see Appendix K)
Hazardous Materials Information System (HMIS)/Hazardous Materials Management
Plan (HMMP). (see Appendix L)
OMS Connect Electronic Operations and Maintenance Manual for the Lake Oswego
Tigard Water Partnership.
INFOR Configured Assets Asset Management Database for the Lake Oswego Tigard
Water Partnership.
HACH WIMS, Water Information Management System, Water Quality Database.
D. FINISHED WATER PIPELINE (FWP)
WTP to Laurel St. @ Erickson St.
12,877 feet of 48-inch diameter, double lap welded steel pipe.0.25" wall thickness,
polyurethane coating, cement mortar lined. Working pressure: 145 psi;working pressure with
surge allowance: 225 psi.
Laurel St. @ Erickson St. to Iron Mtn. Blvd. @ Mulligan St.
13,308 feet of 42-inch diameter, double lap welded steel pipe. 0.25" wall thickness,
polyurethane lining and cement mortar lined.Working pressure: 150 psi; working pressure with
surge allowance: 225 psi.
Iron Mtn. Blvd. @ Mulligan St.to Quarry Rd. @ Douglas Way.
11,154 feet of 36-inch diameter, double lap welded steel pipe. 0.25" wall thickness,
polyurethane coating and cement mortar lining. Working pressure: 133 psi; working pressure
with surge allowance: 200 psi.
Quarry Rd. @ Douglas Way to Waluga Reservoir#1.
1,285 feet of 24-inch diameter, pressure class 150, ductile iron water main with joint restraint.
Asphaltic exterior coating with polyethylene encasement, double thick cement mortar lining
with asphaltic seal coat. Working pressure: 150 psi; working pressure with surge allowance: 250
psi.
Waluga Reservoir#1 to Bonita Road Pump Station
626 feet of 30-inch and 1,832 feet of 24-inch diameter, pressure class 150, ductile iron water
main with joint restraint. Asphaltic exterior coating with polyethylene encasement, double thick
cement mortar lining with asphaltic seal coat. Working pressure: 150 psi; working pressure with
surge allowance: 250 psi.
Reference Documents:
Work Order#207—Construction record drawings and specifications.
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E. DISTRIBUTION STORAGE (WR1 &WR2)
Physical address: 4800 Carman Drive, Lake Oswego, OR 97035.
Lat: 450, 24', 50.32" N; Long: 1220, 43', 30.73" W.
General facility description:
Waluga 41 - Circular, pre-stressed wire wrapped and post tensioned reinforced concrete
reservoir constructed in 1981. The reservoir is approximately 192-feet in diameter and
approximately 20-feet deep from floor to the overflow. Capacity when full is 4 MG.
Waluga 42 - Circular, pre-stressed wire wrapped and post tensioned reinforced concrete
reservoir constructed in 2014. The reservoir is approximately 131-feet in diameter and
approximately 34-feet deep from floor to the overflow. Capacity when full is 3.5 MG.
Reference Documents:
Work Order#208— Construction record drawings and specifications.
Reservoir isolation SOP (see Appendix D)
F. BONITA PUMP STATION (BPS) � ?
Physical address: 14344 SW Milton Ct.,Tigard, Oregon 97223
Lat: 45°, 24', 58.11" N; Long: 122°, 45', 1.45W.
General facility description: ;
Reinforced concrete and cement masonry unit construction. Dual pressure zone pumping
capability as follows:
Pressure Zone (PZ) 470—VTP 10, 20, 30,and 40: Vertical turbine diffusion vane pumps
with variable frequency drives; rated capacity of 2,550 gpm @ 235 feet of dynamic head. 250
HP, 480v,3 phase, 60 Hertz.
Pressure Zone (PZ) 410--VTP 60, and 50 (future): Vertical turbine diffusion vane pumps
with variable frequency drives; rated capacity of 3,130 gpm @ 180 feet of dynamic head. 200
HP, 480v, 3 phase, 60 Hertz.
Electrical supply— Primary supply from PGE. Alternate supply: Diesel engine generator—800kW
with 2,200 gallon sub-base tank and automatic transfer switch. Generator is sized to run
heating and cooling equipment and to operate two PZ 470 and one PZ 410 VTP's.
Reference Documents:
Work Order#209—Construction record drawings and specifications.
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7. AQUIFER STORAGE RECOVERY (ASR) SYSTEM
The City of Tigard ("Tigard") developed an ASR program beginning in 2002 with the ASR-1 well
system located in the 410 Pressure Zone ("PZ"), and adding increased capacity in ASR-2 well
system, located in the 470 PZ in 2006. Tigard has operated the program for 13 years to provide
supplemental peak water supply. Tigard has partially developed a third ASR well system in the
550 PZ, scheduled for completion before 2020.
The ASR well systems design concept is using excess winter finished water supply to inject into
ground water aquifers ("Aquifer") for short-term storage ("Storage"). Stored water
("Recovery") is pumped from the aquifer into the distribution system to provide supplemental
water for peak day demand. Water quality and aquifer level monitoring are required under the
limited license agreement with Oregon Water Resources Department (OWRD).
Under normal operations, the system is cycled from recovery to storage through injection, and
then recovery again. However, with the new water treatment plant expansion and water
supply system upgrades constructed under the auspices of the Lake Oswego-Tigard water
partnership, ASR is taking on a different role as an emergency supplemental water supply
system. Emergency supply would be necessary to supplement loss of capacity due to
diminished plant capacity or river intake diversions (conditional water rights use).
Tigard also has perfected groundwater rights within the aquifer that allow up to 1,634 gpm
duty recovery or about 2.35 mgd. These are in conjunction with ASR stored water. Based on
this, Tigard has the ability to pump a minimum of 1,634 gpm in "native" ground water. Tigard
has one well located in the 410 PZ built in 1948, and capable of about 400 gpm or 0.6 mgd.
Tigard does not have any other "dedicated" well water only pump units.
ASR-1 System Specifications:
Single ASR well pump and injection system, with maintenance chlorination using 12.5%
commercial product hypochlorite in 40-gallon transportable container and single pulse pump.
• Injection rate (using small booster pump) is 600 gpm
• Storage'capability of about 100 million gallons; 143 million gallons achieved in 2004
• Recovery rate (using well turbine pump) is 1,000 gpm or about 1.4 mgd
• Requires water quality sampling prior to "start-up"—Tigard may begin routine
monitoring to ena'*faster emergency response time.
t.;
• Emergency Power provided by on site system.
ASR-2 System Specifications:
Single ASR well pump and injection system, with maintenance chlorination using on site
hypochlorite generator (salt system) in batch container and dual pulse pump.
• Injection rate is 600 to 1,200 gpm.
• Storage capability of about 200 million gallons; 201 million gallons achieved in 2012.
• Recovery rate (using well turbine pump) is 1,400 gpm or about 2 mgd.
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• Requires water quality sampling prior to "start-up"—Tigard may begin routine
monitoring to enable faster emergency response time.
• Emergency Power provided by on site system.
ASR-3 System Specifications:
• Single ASR well drilled and tested.
• Pump tests indicated recovery response at about 1,400 gpm.
• Similar building and equipment as constructed at ASR-2 well system.
• Project completion scheduled in 2020.
• Emergency Power included in design parameters.
2016 ASR Groundwater Capacity:
ASR-1: 1,000 gpm — 1.4 mgd. ,
ASR-2: 1,400 gpm —2.0 mgd.
Well 2: 400 gpm - 0.6 mgd.
TOTAL:2,800 gpm—4.0 mgd.
8. APPURTENANCES
o Impressed current cathodic protection system — (see eOM template https://lo-
oms.ci.oswego.or.us/#6864906.)
o Combination air vacuum/air release valves (see eOM template https://lo-
oms.ci.oswego.or.us/#7006001.)
o Drain assemblies (see eOM template https://lo-oms.ci.oswego.or.us/#7006001.)
o Seismic safety valve(WR2) (see eOM template https://lo-
oms.ci.oswego.or.us/#5226608.)
9. OTHER ASSETS
o Emergency intertie''pump station
V— LAND AND EASEMENTS:See Appendix B.
VI—SUPPLY FACILITIES OPERATIONS
A. Managing Agency
The Supply Facilities described herein and graphically depicted in Appendix C, shall be
operated by the City of Lake Oswego for the exclusive benefit of the citizens of Lake Oswego
and Tigard and their respective wholesale customers.
In the performance of its duties established in this Operations Manual, the Managing
Agency shall adopt and implement best utility practices to assure economy of operation,
longevity of life-cycle performance and mitigation of supply shortfall risks.
a. Authority of Managing Agency-To achieve its water supply objectives, the Managing
Agency shall have the authority to:
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1. Temporarily interrupt normal supply service for the purposes of inspection,
maintenance, repair or replacement of the Supply Facilities.
2. Enter into contracts for services relating to the operation, inspection,
maintenance, repair or replacement of the Supply Facilities.
3. Supply surplus water to existing wholesale customers.
4. Supply emergency water to others if available.
5. Create, modify or adjust treatment techniques or processes as necessary for
compliance with all relevant drinking water regulations and standards.
6. Create, modify or adjust supply operations as necessary for compliance with the
following federal and state regulatory documents:
i. Biological Opinion, NWR -2012-1675,July 18, 2013; titled "Endangered
Species Act Biological and Conference Opinion and Magnuson-Stevens
Fishery Conservation and Management Act Essential Fish Habitat
Consultation for the Lake Oswego-Tigard Water Supply Project, Willamette
River (HUC 170900120104), Gladstone, Clackamas County, Oregon (Corps
No.: NWP-2012-105."
ii. Final Order in the Matter of Lake Oswego Water Use Permits S-32410 and 5-
37839, Oregon Water Resources Department, April 20, 2011.
7. The annual effective dates during which diversions at the River Intake Pump
Station may be reduced to achieve compliance with the above regulations are as
follows:
i. Biological Opinion - First Period: August 21 through September 15;
Second Period: September 15 through September 30.
ii. Final Order- First Period: the day after the first Monday in September
through June 30; Second Period: July 1 through the first Monday in
September.
b. Communications -The Managing Agency has developed communications and
reporting protocols for a variety of anticipated conditions or events including:
1. Normal operating conditions.
2. Non-normal operating conditions.
3. Emergency operating conditions.
The communications and reporting plan is incorporated as Appendix I to this Plan.
c. Interruptions to Service—Minimize frequency and duration of interruptions in supply
through vigilance and sustained preventative maintenance efforts. Interruptions to
supply service may occur for a variety of reasons including:
1. Planned inspections, maintenance or repairs.
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2. Corrective or emergency inspections and repairs.
3. Regulatory restrictions or constraints.
4. Emergency supply to others.
5. Acts of God.
At a minimum, the following agencies must be notified of planned or unplanned
supply interruptions:
• Tualatin Valley Fire & Rescue.
• Cities of Tigard, West Linn and Lake Oswego (Public Works Departments).
• Lake Oswego Fire Department.
• Lake Oswego Communications (LOCOM).
In the event of an interruption to water supply service, the Managing Agency will
implement the appropriate communication protocol. Unless the interruption to
supply service results from an unanticipated event or actor an emergency, the
Managing Agency shall provide not less than 72-hours advance notice of the
interruption to affected parties. The notice will include the following details:
1. Cause for the service interruption.
2. Anticipated duration of the interruption.
3. Estimated date/time for resumption of water service.
4. Special instructions to affected parties to facilitate the interruption and later
resumption of service.
d. Supply to Tigard—The Managing,-Agency shall operate the Supply Facilities in a
manner that provides for a continuous supply of potable water to the City of Tigard
via the Waluga Reservoir complex and Tigard's Bonita Road Pump Station.The total
storage volume of Waluga Reservoir No. 2 is 3.5 million gallons (MG) of which 1.8 MG
is allocated for the exclusive use of Tigard. Refer to Appendix D for valve positions for
the following modes of reservoir operations:
1. WR1/WR2 in service-Normal operating mode.
2. WR1 in service/WR2 out of service.
3. WR1 out of service/WR2 in service.
4. Emergency supply from Tigard—WR1/WR2 in service.
e. Emergency Supply-The City of Lake Oswego maintains intersystem connections
with other water suppliers. Supply of water to or receipt of water from others on an
emergency basis is subject to availability and the terms of the emergency supply
agreements.
f. Non-emergency Supply to/From Others—The City of Lake Oswego has entered into
wholesale water supply agreements with the following agencies:
1. Rivergrove Water District (RGWD).
2. Lake Grove Water District (LGWD).
3. Skylands Water Company(SWC).
4. Glenmorrie Water Cooperative (GWC).
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5. Alto Park Water District (City of Portland).
Rivergrove, Skylands, and Glenmorrie are groundwater systems of limited quantity
and quality. Lake Oswego and Portland supply Lake Grove water on a wholesale basis,
with each supplying about 50% of Lake Groves annual supply volume. Supply of water
to the above agencies is subject to availability of surplus treated water capacity.
Due to hydraulic constraints or limited supply capacity, RGWD, SWC, GWC, and City
of Portland have not historically supplied water to Lake Oswego. Appendix E, is a
tabulation of information concerning each of the above agencies and their respective
agreements for receiving surplus water from the Lake.Oswego distribution system.
This document should be reviewed annually and up4l,ted as necessary.
PGE/ ENERNOC Demand Response Program—The City of Lake Oswego participates in
the PGE/ENERNOC demand response program. This is a voluntary program where
large power users are asked to curtail their use during several (2-3) peak demand
events in the summer and winter. Prior notification is given and if sufficient storage
is available the Partnership can elect to participate in the program by shutting down
or cutting back pumping at the RIPS, WTP and Bonita Pump Station.The City would
be paid per Kwh for the amount of power use curtailed during each event and can
make up the difference in use before and after the event. Refer to Appendix F for the
terms and duration of the Enernoc Agreement.
g. Water Quality—The Partnership owns a state-of-the-art water treatment facility
capable of treating and delivering up to 32 million gallons per day (mgd) of drinking
water to Lake Oswego and Tigard residents. In Table 1 below, minimum water quality
standards are listed along with partnership goals.
In the event treated water quality does not satisfy LOTWP goals at the locations
specified in table 1, notification will be made to each partner explaining the
circumstances along with a plan for correction of the excursion including required
modification of operations and/or additional resources. Where no standard of goal is
given, the EPA and State Regulatory limits are the goal.
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TABLE 1 Water Quality Goals
Water Quality Units EPA/OHA LOTWP Note
Parameter Standard Treatment Goal
Total/fecal coliform #/100 mL 0%positive
leaving WTP
Turbidity CFE NTU < 0.3 95% of < 0.195% of the Follow OHA
(Combined Filter time, Always< time, Always< Optimization
Effluent) 1.0 0.3 Goals
Turbidity IFE NTU <0.3 for 151W <0.2 for 15
(Individual Filter minute minute intervals
Effluent) intervals
Turbidity Settled NTU None < 2.0 95% of the
time
mg/L >0.2 at entry >0.5,target As'a d upon
point, <4.0 0.8-2.0 by Operations
Committee
Pathogen 4-log 4-log
� �
Removal/Inactivation
Viruses
Giardia 3-log 3-log
Cryptosporidium 2-log 2-log
Disinfection by Ug/L LRAA 80 LRAA< 60
product
Trihalomethanes
Haloacetic Acids ug/L LRAA 60 LRAA<40
Bromate ug/L 10 10
Synthetic Organic ug/L Varies < MCL
Chemicals
Volatile Organic ug/L Varies <MCL
Chemicals
Inorganic Chemicals ug/L Varies < MCL
Unreg(AL,B, Mn,Ag, mg/L Varies <Secondary
V,Zn) MCL 0.2
pH Secondary 7.8 target, Based on lead
MCL 6—8.5 allowed range and copper
of 7.2-8.5 optimization
Alkalinity mg/L CaCO3 18-30
Algal Toxins Unregulated Follow Increase Ozone
State/EPA Dose if Toxin is
guidance for detected in
Algal Toxins source water
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Lake Oswego-Tigard Supply Facilities Operations Manual
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ENERGY EFFICIENCY
Wherever possible the operations team will run the facilities in the most energy efficient
manner. This may involve running for the longest possible hours at the lowest flow rates,
taking advantage of off peak pumping hours, and maintaining equipment so that it performs
optimally. The Partnership operations shall strive to run the facilities for optimum energy
efficiency within reasonable staffing parameters.
ASR INJECTION
Tigard shall operate its ASR system in a manner that will allow for emergency supply in the
event of a water curtailment requirement or trigger...If Tigard uses ASR water to mitigate for a
curtailment event, then LO shall share the cost of this water.
HOURS OF OPERATION Ihi
The RIPS, WTP and Bonita Pump station shall be operated in a manner which meets daily water
demands and Storage requirements of both Tigard and Lake Oswego in a manner agreed upon
by all members of the Operations Committee. Operating hours and staff schedules shall be in
conformance with the Lake Oswego Municipal Employees Association and/or all other
employee contracts in effect.
A planned change in operating hours of RIPS, WTP or Bonita Pump Station must be noticed and
agreed upon verbally by members of the Operations Committee one week in advance of the
change unless an emergency or an ENERNOC demand response event. In the event of an
ENERNOC demand response event, notification may be less than one week but participation in
the event must still be mutually agreed upon by members of the Operations Committee.
CURTAILMENT
In accordance with Article XII, paragraph 12.3 of the Partnership Agreement, the partners, (Lake
Oswego and Tigard) agree to share in temporal reductions in diversions due to low river flow
conditions. Additionally, pending conditions of approval expected to be issued in conjunction
with the issuance of water right permit extensions as well as each partners "Water
Management and Conservation Plan" will address this issue.
The Partners also agree to apply the same curtailment conditions and strategies to current
wholesale customers as the partners apply to their respective retail customer base.
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In practice, Tigard intends to use its ASR (Aquifer Storage and Recovery) capacity to mitigate
any extended flow reductions from the LOT supply system to avoid the triggering of its level
one curtailment condition.
Depending on the size and duration of the diversion reduction,Tigard may be able to increase
its ASR use to mitigate similar impacts in Lake Oswego and avoid triggering their level one
curtailment conditions.
In the above mentioned scenario where Tigard's additional ASR use benefits Lake Oswego,
Tigard's additional costs shall be calculated and submitted as a future credit to normal LOT
operational expenses.
VII. INSPECTION AND MAINTENANCE
A. Objectives
a. Extended life cycle
b. Safety
c. Reliability
d. Performance
Staff in charge of inspection and maintenance of the Partnership facilities shall track and follow
a preventative maintenance work management plan using a Computer Maintenance
Management System (CMMS). All Assets provided as part of the Lake Oswego Tigard Water
Partnership facilities project include preventative maintenance work schedules established in
an Equipment Record Form. Work orders have been developed by WTP staff and will generate
automatically when a piece of equipment is due for service. Readings and rounds lists are also
developed that contain specific inspection requirements for facilities and equipment.
IX. SPECIFICATIONS AND STANDARDS
Planning, design, construction and operation of drinking water facilities is subject to a variety of
federal, state and local codes, regulations and standards. It shall be the responsibility of the
Managing Agency to assess the applicability of such codes, regulations and standards when
making planning, design, construction or operating decisions. Design and construction for new
water system facilities shall comply with the following:
• Oregon Standard Specifications for Construction —2018 or current edition; and
• City of Lake Oswego General Conditions and Special Provisions for Construction;
and
• City of Lake Oswego Engineering Design Standards; and
• Oregon Administrative Rules Chapter 333, Division 061 "Public Water Systems".
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In the event of conflict between these regulations, codes and standards, the most stringent will
apply.
X. RECORDS AND REPORTING
The managing agency shall maintain comprehensive treatment, water quality and maintenance
records. Local, State and Federal regulatory reporting is listed in Table 2 and shall be strictly
adhered to. If the Managing agency fails to monitor in a timely manner and/or submit a report
on time this shall be brought immediately to the attention of the Operations committee and
Partner agencies. Appropriate corrective action shall be determined and followed by the
managing agency.
Table 2 Reports
Report Due Date Frequency Receiving Agency
Monthly Water Quality 10th of each Month Monthly Oregon DHS
Report
Bromine/Bromate 10th of each Month Monthly Oregon DHS
Gladstone Sewer Last Day of each Bi-Monthly City of Gladstone
Discharge Report Month
WES Industrial Discharge Last Day of each Monthly Water Environment Services
Report Month and City of West Linn
Disinfection Byproducts Jan. Apr.
Report TTHM's and Quarterly OR-DHS
HAA5's (4) July, Oct.
Consumer Confidence July 1 Annually Water Customers/Oregon
Reports DHS
Annual Water Use Report December 31 Annually Oregon WRD
Nitrate, Arsenic, VOC's December 31 Annually Oregon- DHS
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NPDES #200-J Discharge January 15 Annually Oregon DEQ
Monitoring Report
SOC's 2019/2021/2024 Every 3 Years / Oregon-DHS
2 Cons. Qtrs.
Lead and Copper 2020/2023 June— Every Three Oregon-DHS
Sept. Years
Asbestos 2020 Every 9 Years OR-DHS
Inorganic Chemicals 2022 Every 9 Years Oregon-DHS
Radiological 2022 Every 9 Years Oregon-DHS
LT 2 Cryptosporidium 10th of each Month Monthly Oct Oregon DHS
2016-Sept 2018
UCMR 4 2018-2020 2018-2020 US EPA (CDX System)
Future Reports As released
XI. TECHNOLOGY
The Partnership recognizes the critical importance of security and appropriate use of
technology in the operation of the water supply facilities. The Partnership and managing
agency shall follow all EPA and OHA guidelines and requirements for cybersecurity in the
design, management and operation of the water control system (SCADA).
For business technology systems, the Water Treatment Plant and supply facilities shall use and
follow the Information Technology policy and procedures of the Managing Agency.
XII. PURCHASING PROCEDURES:
Partnership staff will follow the Managing Agency Finance Policy and Procedures and the State
of Oregon Public Procurement Requirements.
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XIII. PERSONELL POLICIES
All staff and managers that operate and maintain Partnership facilities will follow the
Personnel Policies and Contract of the Managing Agency in full.
The City of Lake Oswego Personnel Policy Manual: htt lo-
webl.ci.oswego.or.us/private/HR/CityofLakeOswegoPersonnelPolicies.htm
The Lake Oswego Municipal Employee Agreement Contract:
http://www.ci.oswego.or.us/hr/labor-agreements .
a. TRAINING AND DEVELOPMENT:
The Partnership recognizes the importance of training and professional
development for all employees. Continuing education related to certifications and
licenses required for the position will be supported. Participation in professional
organizations and professional development may be approved by the Manager as
long as it does not place an undue burden on staff ability to perform their work.
Partnership employees shall follow The City of Lake Oswego Personnel Policy No. 3-5
"Courses, Classes, Seminars" and the LOMEA Article 24 "Training."
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