HomeMy WebLinkAbout03/17/1992, C-13 - WHALE ROCK COMMISSION MEETING, MARCH 26, 1992 i118�� ill��� City Of San 1L OBISPO MEETING oar:
March 17, 1992
COUNCIL AGENDA REPORT NUMBER:
FROM: William T. Hetland Utilities~ `
SUBJECT: Whale Rock Commission Meeting, March 26, 1992
RECOMMENDATION: Receive and file. Comment if necessary to provide
direction to City representative/staff.
DISCUSSION:
The Whale Rock Commission meeting on Thursday, March 26, 1992 will address the
following key items:.
Il-2 Energy Efficient Pump Repairs
11-3 Reservoir Fence Replacement
III-1 Presentation on Establishing Trails at Whale Rock Reservoir
�/3
AGENDA
WHALE ROCK COMMISSION MEETING
THURSDAY, MARCH 26, 1992
CITY HALL HEARING ROOM
990 PALM STREET, SAN LUIS OBISPO, CALIFORNIA
12:00 Noon Commissioners lunch at Charlie's Restaurant
Monterey and Osos Streets, San Luis Obispo
1:30 p.m. Commissioners reconvene in City Hall Hearing Room
990 Palm Street, San Luis Obispo
Roll Call: Ron Dunin, City of San Luis Obispo
Commission Chairman
John Dunn, City of San Luis Obispo
Commission Secretary
Carmen Salvato, California Men's Colony
Commission Vice Chair
Carlos Madrid, California Department of Water Resources
Ed Naretto, California Polytechnic State University
Bill Statler, City of San Luis Obispo
PUBLIC COMMENT PERIOD
(5 Minutes)
The Whale Rock Commission will receive public comment on items of interest to the
public within the Commission's jurisdiction.
As a general rule, action will not be taken on issues not listed on the agenda. Staff
will generally be asked to follow up on such items at the discretion of the Chair.
Written material is also encouraged.
I. INFORMATION ITEMS
1. Cavucos Treatment - Information concerning water treatment required by
the State Department of Health Services for the wells serving Cayucos
(Henderson).
2. Pro�ne_M Acquisition - Status of proposed Mainini property acquisition
(Henderson).
3. Financial Statement - June 30, 1991 and 1990 (Hetland).
(Attachment)
4. Reservoir Status - Current storage update (Hetland).
(Attachment)
his -�
5. Coastal Streams Diversion Project - Memo from City of Morro Bay.
(Attachment)
II. ACTION ITEMS
1. Minutes - approval of draft minutes of the October 30, 1991 meeting.
2. Energy Efficient Pump Repairs - Authorize staff to purchase pump
replacement parts to upgrade pump efficiencies thereby reducing energy
expenses (Hamilton).
3. Reservoir Fence Replacement - Authorize staff to proceed with the
plans and specifications and procure bids for the replacement of
approximately 1.25 miles of barbed wire fence (Hamilton).
4. Calendar Annual Budget Meeting - Schedule date in June, 1992.
III. DISCUSSION
1. Establish trails at Whale Rock - Proposal by Tim Gallagher from the
Parks Department, San Luis Obispo County Government Center.
MEETING DATE:
March 26 1992
WHALE ROCK COMMISSION REPORT ATE INUMBER:
'ROM: William T. Hetland, Utilities Director Prepared By: Gary Henderson
SUBJECT:
Receive and file report regarding water treatment required by the State
Department of Health Services for the wells servicing Cayucos
BACKGROUND:
Mr. John Curphey representing the State Department of Health Services recently
informed the Cayucos water agencies that their wells located below Whale Rock
Reservoir have been determined to be "under the direct influence of surface water". This
determination will require treatment of the water to comply with the Surface Water
Treatment Rule or relocation of the wells. These wells also have high levels of iron and
manganese which requires treatment.
There have been questions concerning whether the Whale Rock Commission may be
required to provide the necessary treatment. The City's attorneys have reviewed the
original agreement between the Cayucos water agencies and the Whale Rock Commission
and have determined that the Commission is not responsible for treatment. A letter
transmitting this information was sent to John Curphey and the Cayucos water agencies.
At the February 10, 1992 meeting of the Cayucos Area Water Organization, this
correspondence was discussed. The members requested that their attorney review the
documents and provide a determination of which agency is responsible for the treatment.
The Cayucos agencies still believe that the Commission may be responsible for the water
quality.
Attachment
���II�II�IIIIII��II��f����� III�IIII
l�l1SoBispocit o sAn
955 Morro Street • San Luis Obispo, CA 93401
January 28, 1992
John Curphey
State Department of Health Services
P.O. Box 4339
Santa Barbara, California 93140-4339
Dear John:
This letter is in response to your letters (dated December 11, 1991) to the agencies serving
water in Cayucos. Your letter indicates that the wells which serve Cayucos have been
determined to be "under the direct influence of surface water" and as such will be required
to comply with the California Surface Water Treatment Rule. There has been some
questions concerning whether the Whale Rock Commission may be required to provide this
treatment. Our attorneys have reviewed the original agreement between the Cayucos water
agencies and the Whale Rock Commission and have determined that the commission is not
responsible for treatment. As noted in your correspondence, it will be the responsibility of
the.water utilities involved to construct and operate the treatment facility or develop
alternative ways to meet the Surface Water Treatment Rule.
If you have any further questions, please contact me at 805-781-7237.
Gary, isiHenderson
Vat Divon Manager
c: Morro Rock Mutual Water Company.
Paso Robles Beach Water Association
County Water Works District #8
Cayucos/Morro Bay Cemetery District
MEETING DATE--
March
ATEMarch 26, 1992
WHALE ROCK COMMISSION REPORT ITEMIUMB2R :
"40M: William T. Hetland, Utilities Director Prepared By: Gary Henderson
SUBJECT:
Status of proposed Mainini property acquisition
BACKGROUND:
Staff presented the status of negotiations concerning acquisition of the Mainini property
at the last Commission meeting. The Commission directed staff to return with
information on the surface treatment rule and a legal opinion on the Whale Rock
Commission's responsibility to treat water for the Cayucos district. This is covered in
Item #1 under Information Items. Staff is currently waiting for a response from the
Cayucos agencies concerning the water treatment requirements and responsibilities.
Upon receiving this reponse, staff will return to the Commission for direction concerning
the property acquisition.
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I - 4
WHALE ROCK RESERVOIR
RESERVOIR WATER STORAGE
Conditions at Whale Rock Reservoir have moderately improved this year. We have
received 16.37 inches of rain this season (July 1 to present). This compares to 8.34 inches
of rain for the same period last year. The February storms produced 7.03 inches of rain
with a corresponding increase in storage of 2,142.1 acre-feet.
WHALE ROCK RESERVOIR
s1.o Ft. MAXIMUM STORAGE
3-5-92 CAPACITY = 40,662 A.F. AT
ELEVATION 216.03 FT.
16,803.0 A.F.
Percent
Percent Change
Date Storage (af) Elevation Capaci 1991
3-5-92 167803.0 165.0' 41.39o' +7.9%
I - 5
City of Morro Bay
595 Harbor St • Morro Bay, CA 93442-1900 • 805-772-1214
il .
February 5, 1992
State Water Resources Control Board
Division of Water Rights
P. O. Box 2000
Sacramento CA 95812
Attention: William Van Dyke
Associate W.R.C. Engineer
Application Unit No. 1
SUBJECT: APPLICATIONS 29002, 29003, 29004, 29005, 29006, 29007,
29008 AND 29009 COASTAL STREAMS DIVERSION PROJECTS IN SAN
LUIS OBISPO COUNTY
Reference is made to your January 30, 1992 letter requesting the City
advise as to how it wishes to .proceed with the subject applications.
'his letter will confirm and record the City of . Morro Bay has
determined it does not wish to proceed with the development of. the
subject applications. The- City has made..a.policy decision to;,develop _, ., .... .
water resources from other projects and` will focus - its efforts - in
those areas. '
We appreciate the assistance and cooperation your staff has shown the
City of Morro Bay in its work on the above applications and we look '
forward to continuing good relations with your staff in the pursuance
of existing and future applications.
Very truly yours, -
DEP PUBLIC WORKS
G. H. Nichols
Director of Public Works FB
77
xc: City Administrator
Whale Rock Commission, Attn: William Hetland, Util. Dir. '
Kennedy/Jenks/Chilton, Attn: Elizabeth Teien
Robert H. .Born Consulting Engineers
dr:ghn3:vandyke
CITY HALL FIRE DEPARTMENT PUBLIC WORKS
595 Harbor Street 715 Harbor Street 695 Harbor Stre� �
HARBOR DEPARTMENT POLICE DEPARTMENT RECREATION AND 7{Q
1275 Embasadero 850 Morro Bay Blvd. 1001 Kennedv Wav
Item II - 1
DRAFT WHALE ROCK COMMISSION MEETING
WEDNESDAY, OCTOBER 30, 1991
CITY HALL HEARING ROOM
ROLL CALL: Ron Dunin, City of San Luis Obispo
Commission Chairman
John Dunn, City of San Luis Obispo
Commission Secretary
Carmen Salvato, California Men's Colony
Commission Vice Chair
Carlos Madrid, California Dept. of Water Resources
Ed Naretto, California Polytechnic State University
STAFF PRESENT: Bill Hetland, Utilities Director
Gary Henderson, Water Division Manager
Bob Hamilton, Water Supply Supervisor
Lisa Woske, Recording Secretary
PUBLIC COMMENT:
In accordance with the Brown Act, the floor was opened to public
comments.
George Gibson, San Luis Obispo County representative, discussed
possible exchange between the Cayucos Area Water Organization
(CAWO) and the Nacimiento Project, as well as the feasibility of
participation with the Sate Water Project. Mr. Hetland responded
to Mr. Gibson' s comments and the Commission agreed to have
Commission staff meet with the CAWO representatives and County
representatives to discuss the exchange possibility. The
Commission also directed staff to investigate the specifics and
come back with a report at the next regular Commission meeting.
1. APPROVAL OF MINUTES
The draft minutes of the June 19, 1991 meeting were approved as
submitted.
2 . AMENDMENT NO. 1 TO THE CONTRACT WITH KENNEDY/JENKS CONSULTANTS
FOR THE DESIGN OF THE WHALE ROCK PUMP STATIONS UPGRADE
Mr. Hetland introduced the item and presented the staff report,
recommending that the Commission, by motion, approve and authorize
the Chairman to execute Amendment No. 1 to the contract with
Kennedy/Jenks consultants in the amount of $18, 050 for the design
of the Whale Rock Pump Station and approve the appropriation and
transfer of $18 , 050 from the Whale Rock Fund to the Whale Rock Pump
Station Capital Project.
WHALE ROCK COMMISSION MEETING
OCTOBER 30, 1991
PAGE 2
Mr. Hetland noted that approval of this amendment was only to
complete design. Staff would return with the completed design for
Commission authorization to bid and award construction, and to
formally transfer funds for construction contracts.
Commr. Dunn moved to approve staff recommendation. Commr. Salvato
seconded the motion. The motion passed unanimously.
3 . CHORRO WATER METER REPLACEMENT STATUS REPORT.
Mr. Hamilton introduced the item and presented the staff report,
recommending the Commission receive and file the report.
Commr. Madrid moved to receive and file the report. Commr. Salvato
seconded the motion. The motion passed unanimously.
4. FEASIBILITY STUDY ON STEELHEAD HATCHERY
Mr. Hetland introduced the item and presented the staff report,
recommending continued cooperation with the Department of Fish and
Game in procuring native broodstock for immediate spawning and
maintaining the Whale Rock steelhead, including development of a
feasibility study for maintaining the steelhead fishery at the
Whale Rock Reservoir. He noted the Commission would probably have
to commit a minimal amount of funds towards the feasibility study.
The Commission discussed implementing the fishery and the funding
by the Department of Fish and Game.
Commr. Dunn moved to approve the staff recommendation. Commr.
Naretto seconded the motion. The motion was passed unanimously.
5. PROPOSED MAININI PROPERTY AGREEMENT
Mr. Hetland introduced the item. Bob Hamilton presented the staff
report and recommended the Commission receive the report and direct
staff on the proposed acquisition of these parcels. He noted that
while the 5 acre parcel would be of most benefit, the acquisition
of the contiguous 12 acre parcel would be desirable. He discussed
the lease increase. There was general discussion on the need and
cost of possible water treatment necessary with these ponds.
Commr. , Dunn felt the 5 acre parcel was key to the Whale Rock
Project and endorsed the discussion, and felt the purchase of both
parcels should be pursued or eminent domain should be invoked..
WHALE ROCK COMMISSION MEETING
OCTOBER 30, 1991
PAGE 3
George Gibson discussed upcoming plans for building a water
treatment plant on site and the investigation of same.
George Brett discussed the parameters and responsibilities of the
Commission regarding CAWO and water treatment needs.
Commr. Dunin wanted legal advice regarding water treatment needs
and the pond feasibility, e.g. additional water treatment necessary
and the Commission' s responsibility towards a possible plant's
expenses and maintenance.
Commr. Dunn suggested the item be continued and staff come back at
the next meeting with a report on the legal interpretation and this
should be accomplished prior to meeting with Mainini
representatives.
Mr. Hetland noted the Whale Rock Commission already had property
upon which to build a water treatment plant.
The Commission shared a general concern about responsibility for
the expense and maintenance of a plant for an agency that is not
part of the Whale Rock Commission.
The Commission directed staff to bring back discussion on the
surface water treatment rule and a legal opinion on the Whale Rock
Commission's responsibility to treat water for the Cayucos
district.
Commr. Dunn further suggested staff write to Mainini attorney Ogle
to apprise him of the agreement status. Mr. Hetland agreed to
draft a letter for Chairman Dunin' s signature.
DISCUSSION
Comm s. Madrid and Naretto stated they were not receiving the
monthly reservoir status reports. Staff agreed to remedy that
situation.
Commr. Salvato suggested update reports on operations should be
distributed again to members.
The meeting adjourned at 2 : 30 p.m.
Respectfully submitted,
Lisa Woske
Recording Secretary
e13 19
MEE7NG DATE:
March 26, 1992
WHALE ROCK COMMISSION REPORT n'EMNU—
II 2
2
IOM: William T. Hetland, Utilities Director Prepared By: Robert Hamilton
SUBJECT:
Energy Efficient Pump Repairs
BACKGROUND:
Current energy conservation guidelines and increasing budgetary concerns have expanded
the focus on energy intensive equipment operation and related energy costs. In response,
staff has implemented an annual pump testing program for the six pumps in operation
on the Whale Rock Conduit. Recently, these water pumps were tested by P.G.& E. to
determine their actual energy efficiencies.
DISCUSSION:
Test results indicate the pumps have been operating beyond the efficiency design life of
the internal components. The average overall pump efficiency rating was 61.4%. When
these pumps were installed in the 1960's, they were capable of achieving efficiency ratings
as high as 78.0%.
In order to determine the post-repair efficiency of the pumps and associated energy
savings, staff ordered replacement parts for one of the 150 horsepower units and
completely rebuilt the pump with new components. P.G.& E. was then invited to retest
the pump and report the revised test results. This unit had tested at 60.0% before
repair, and remarkably, the post-repair efficiency rating was 843%. This increase in
efficiency will reduce power requirements for this pump installation, but the Commission
could further reduce energy costs if repairs are made to the remaining pumps. Please
see the attached memorandum to Water Division Manager Gary Henderson.
FINANCIAL INCENTTVES:
If similar post-repair results could be achieved on the five remaining pumps, and
Commission water consumption equalled the 1991 season, an anticipated $34,000.00
savings could be realized from the upgrade annually. Additionally, P.G.& E. has
reviewed the proposed upgrade and agreed to contribute matching funds to the
Commission from an energy efficiency program currently in place.
The pump manufacturer has quoted the component parts necessary to repair the
remainder of the conduit pumps at $24,400.00. If staff is utilized for installation of the
components, the Commission's final share of the upgrade would be $12,200.00, plus
associated labor costs.
Using 1991 calendar year energy consumption totals and P.G.& E. rates, the
Commission's expense would be recovered in approximately four months.
WHALE ROCK COMMISSION REPORT
FISCAL IMPACT:
The proposed improvements would be funded initially by the Commission. The Whale
Rock utility account for electrical service (064-5095-005-052) has a remaining balance of
over $200,000.00. Funds normally available for pump electricity would be used to
purchase the upgrade components, (approximately $24,400.00). Upon completion,
inspection, and acceptance of the improvement by P.G.& E., participating funds would
be redeposited to this account. Assuming a 50% participation by P.G.& E. the net
overall reduction in operating funds would be $12,200.00.
CONSEQUENCES OF NOT TAKING ACTION:
1. Pumping costs will continue to increase
2. Accelerated deterioration of internal pump components
3. Possible loss of participating funds by P.G.& E.
RECOMMENDATION:
1. Authorize purchase of replacement components for the five
remaining pumps in operation
2. Request matching participation in the project by P.G.& E.
3. Access account number 064-5095-005-052 to fund the upgrade
Attachment
����►►ie��illlill�ll11
Il
cltybfsan vuis oBispoa
ems
955 Morro Street • San Luis Obispo, CA 93401
WHALE ROCK PROJECT 108 Old Creek Road Cayucos 93430 995-3701
January 2, 1992
MEMORANDUM
TO Gary Henderson
FROM Bob HamiltrA
SUBJECT Pump testing
The attached results of recent P. G. & E. pump tests indicate that
improved pumping efficiency ratings ca-n be achieved by
replacement of worn components on the Whale Rock pumping system.
BACKGROL114D
The Whale Rock conduit conveys raw water to the three user
agencies in San Luis Obispo from Cayucos, California. After
completion of the 30" pipeline and pump stations in 1961 , the
initial pump installation of two, 150 HP centrifugal pumping
units ( 2100 gpm) operating in series was adequate to meet the
demands of the user agencies for a limited time. In 1964, two
additional pumps were added to each pump station in anticipation
of increased demands by these agencies. The new pumps were 200
HP each (2600 gpm) operating in series and in parallel to the 150
HP pumps already in service.
These centrifugal pumps have given excellent service to the user
agencies over the nearly thirty years that they have been in
operation as evidenced by their superior repair history.
In June of 1991 , the 150 HP unit at the B pump station (B-1 ) was
disassembled and inspected during routine pump maintenance. and
the pump' s rotating element. ( impeller ) was found to be severely
damaged by cavitation. More deta.iled pump inspection and review
of data supplied by the pump manufacturer ( Peerless ) and the
engineerinaj firm of Leedshill - Herkenhoff indicated that pump
efficiencies on all pumps currently in use were not as high as
they should be.
I discussed with the Water Division Manager the results of my
Preliminary findings and ordered a. replacement impeller, pump
shaft , wear rings, and pump sleeves for repair of this 150 HP���-,�,�
During the delivery delay, P. G. & E. was requested to perform a.
before repair pump test to accurately establish the pump' s
baseline efficiency rating . Staff replaced the original
impel .ler in the pump body, installed test taps on the pipeline in
each pump discharge to allow the installation of the pump
tester' s calibration tube, and metered the amperage requirements
of the motor in preparation for the pump test.
After the initial test and subsequent repair of the subject pump,
P. G. & E. was invited to retest the pump in order to compare the
revised pump efficiency. and perform initial tests on the
remaining pumps in service. The results are attached for your
review.
FINDINGS
The initial test and post repair test results for p1Jmp B- 1 are
listed below.
BEFORE REPAIR AFTER REPAIR
GVERALL EFFICIENCY - 60. 0% OVERALL EFFICIENCY - 84. ,1%
FLOW RATE - 1666 GPM FLOW RATE - 2'089 GPM
INPUT TO MOTOR - 160. 1 HP INPUT TO MOTOR - 148. 8 HP
You can see that after this repair we are pumping more water with
less horsepower, and the efficiency rate has been increased by
over 24%. This actual test demonstrates that we can successfully
retrofit our existing pumps to reduce our pumping costs and
increase the pumping capacity of the Whale Reck pumping system.
EXISTING PUMP EFFICIENCIES
Other pump tests conducted on the remaining installations are
listed below in pre-repair condition.
OVERALL EFFICIENCIES ( test date )
PUMP A-1 75. 7 (7/89) 63. 8 ( 12/91 )
PUMP A-2 75. 7 (7/89) 61 . 1 ( 12/91 )
PUMP A-3 76. 9 (7/89 ) 56. 4 ( 12/91 )
PUMP B-1 60. 5 (7/69 ) 60. 0 ( 9i91 )
PUMP B-2 68. 2 (7/89) 61 . 9 ( 11 /91 )
PUMP B-'3 NOT TESTED 65. 1 ( 11/91 )
ESTIMATED POST REPAIR EFFICIENCIES
It is estimated that we could improve the pumping efficiency of
each pump to approximately 84%, based on the preliminary test of
pump B- 1 . This increase in efficiency could improve the
operating characteristics of each of the pumps by the amounts ���
ESTIMATED POST REPAIR EFFICIENCIES
PUMP A- 1 20. 2%
FUMP A 22. 5%
PUMP A-3 27. 6%
PUMP B- 1 24•. 3%
PUMP B-2 22. 1%
PUMP B-3 18. 9%
The average increase in efficiency would be approximately 22. 67%.
which would equate to an annual savings of about $34 , 000. 00 if we
.use energy expenses for calendar year 1991 as an example. There
Would also• be ripple effect increase in efficiency at the B
pump station by improvement of the output pressures from the
station upstream. This increase in pressure would create higher
inlet pressures at the B pump station and result in better pump
Performance at this location.
FINANCIAL INCE14TIVES
There are other reasons to consider replacement of the worn pump
components in the remaining pumps operating on the Whale Rock
conduit.
Aside from the obvious energy savings. the hourly operation of
these pumps would be reduced while pumping an eq,ual quantity of
water to the user agencies. This would in turn reduce routine
maintenance necessary to ensure proper pump operation while
reducing associated wear on the various components of each pump
installation.
ESTIMATED ANNUAL SAVINGS BY P. G. & E.
PUMP NO. E14ERGY SAVINGS DOLLAR SAVINGS
1-A 19341 kwh $ 1934. 00
2-A 31210 kwh $3121 . 00
3-A 49303 kwh $4930. 00
1-B 47318 kwh $4732. 00
2-9 33055 kwh $3305. 00
3-B 15914 kwh $1891 . 00
199141 kwh total $ 19913. 00 total
These estimates by P. G. & E. are based on increasing the pumping
efficiency to 69. 4%, which is a respectable figure for a multi -
staged turbine pump, however, the centrifugal split case pumps
operating on this system are capable of much higher efficiencies.
The certified performance curves for the pump station upgrades
completed by Paul Adamson in March of 1964 indicate efficiencies
of 76% were tested on these units. Our Flump test on B-1
indicates efficiencies in excess of 80% are possible. it is
likely tha.t the above projected savings figures reported by P. G. &
E. could be exceeded.
P. G. & E. is offering rebates which would greatly reduce the
overall cost of these repairs .
The current incentive program is a direct-cost related
participation by F. G. & E. where a.ft.er approval , installation, and
inspection of the energy efficient modification, P. G. & E. would
contribute 50% of the improvement cost . This program could
effectively cut the capital replacement cost of these components
in half , as was the case with pump H- 1 . The estimated actual
cost of the replacement components necessary to repair the
remaining pumps on the system is *:5 , 000. 00.
ESTIMATED ANNUAL SAVINGS
Through a combination of the above incentives . we can estimate
the annusI savings to the Whale Rock Commission after
amortization of associated caRital costs .
ESTIMATED CAPITAL COST $25, 000. 00
PG&E DIRECT PARTICIPATION <$12. 500. 00>
ACTUAL COST TO COMMISSION $12, 500. 00
1991 ENERGY PUMPING COST (est. ) $ 155, 512. 00
ESTIMATED POST REPAIR PUMPING COST $ 121 , 377. 00
ESTIMATED ANNUAL SAVINGS $34, 235. 00
ESTIMATED FIRST YEAR COST REDUCTION $21 , 735. 00
These figures reflect actual uses by Commission agencies in 1991 .
If water use remains fairly consistent with the 1991 season, the
initial $ 12, 500. 00 repair expense would be paid back in 4. 3
months, and the above savings would be fairly accurate. If
however, actual uses exceed those for the 1991 season due to
continuing drought conditions, the capital repayment would be
completed in less time. and the actual savings would increase
dramatically. For example, the 1990 electrical figures would
represent an annual savings of over $60, 000. 00.
SUMMARY AND RECOMMENDATIONS
The existing pumps have provided excellent service to the Whale
Rock Commission for many years, however , current energy
conservation responsibilities require evaluation of energy
intensive equipment on a regular ba.sis. In this case it is
obvious that costs associated with the replacement of this
equipment can be recovered quickly, resulting in energy savings
and reduced cost to the user agencies. 1 recommend that the
Department authorize the purchase of these replacement parts and
request that p. G. & E. participate in the funding and subsequent
monitoring of these pumps. 0-13 cOJ/yM
I would further recommend that the Department review annually
the operational efficiency of these pumps and establish a
maintenance and replacement program that will include pump
efficiency monitoring.
attachments :
1 ) P. G. & E. pump test reports
2) P. G. & E. direct cost application
3) quotation from Peerless Pumps Inc.
4) pump test by Adamson Engineering
�13���
PG&E AGRICULTURAL SERVICES
PUMP TEST REPORT
TEST BY: DENNIS KUNKEL TEST DATE: 12/19/91
H.P. : 150.0 PUMP MAKE: PEERLESS
MOTOR MAKE: MARATHON PUMP TYPE: CENTRIFUGAL
LOCATION: WHALE ROCK PUMP STATION 1A.
CUSTOMER MA ,ING ADDS ACCOUNT INFORMATION
CITY OF SAN LUIS ACCOUNT NO. GBV-58-05001
ATTN: BOB HAMILTON CONTROL NO. 1027684-A
108 OLD CREEK ROAD METER NO. 154266
CAYUCOS, CA 93430 ENERGY USAGE: 263920 KWH/YR
ENERGY COST: 10.00 CENTS/KWH
-----------------------------TEST RESULTS------------------------------
RUN NUMBER 1
STANDING WATER LEVEL(FT) -101.6
DRAWDOWN(FT) -
PUMPING WATER LEVEL(FT) -101.6
DISCHARGE LEVEL(FT) 314.1
DISCHARGE PRESSURE AT GAUGE(PSI) 136.0
TOTAL LIFT( FT) 212.5
PG&E WATER FLOW RATE(GPM) 1788
WELL YIELD -
THOUSAND.GAL PER 24 HOURS 2575
HORSEPOWER INPUT TO MOTOR 150.3
PERCENT OF RATED MOTOR LOAD 93
KILOWATT INPUT TO MOTOR 112.1
KIIOWATT HOURS PER THOUS.GALS 1.0
OVERALL PLANT EFFICIENCY 63.8
----------------------------TEST REMARKS------------------------------
-THE OVERALL PLANT EFFICIENCY IS GOOD BASED ON RUN NUMBER 1"s
NORMAL OPERATING CONDITION.
-TEST RESULTS MAY BE IMPAIRED DUE TO A POOR HYDRAULIC SECTION.
-INLET PRESSURE =44PSI.
DISCHARGE PRESSURE=136PSI.
---------------------------POTENTIAL SAVINGS---------------------------
THE SAVINGS BELOW ARE POSSIBLE IF THE OVERALL EFFICIENCY OF YOUR
PUMPING PLANT WOULD BE IMPROVED TO THE LEVEL INDICATED BELOW.
THE CALCULATIONS BELOW ARE BASED ON NORMAL RUN NUMBER 1.
PRESENT ESTIMATE POTENTIAL
CONDITIONS AFTER REPAIRS SAVINGS
OVERALL PLANT EFFICIENCY:"(%) 63.8 68.9 -
ANNUAL ENERGY USED (KWH1_'. 263920 244579 .. 19341
ANNUAL CAST ($) 26392 24458 .1934
ANNUAL OPERATING HOURS 2354 2186 169
WATER FLAW RATE (GPM) 1788 1926 138
TOTAL LIFT (FT) 212.5 212.5 -
% OF RATED MOTOR LOAD 93 100 -
KILOWATT HOURS PER THOUS.GALS 1.0 1.0 0.0
ANNUAL THOUS.GALS PUMPED 263920 263920 -
��3-17
PG&E AGRICULTURAL SERVICES
PUMP TEST REPORT
TEST BY: DENNIS KUNKEL TEST DATE: 12/19/91
H.P. : 200.0 PUMP MAKE: PEERLESS
MOTOR MAKE: MARATHON PUMP TYPE: CENTRIFUGAL
LOCATION: WHALE ROCK PUMP STATION 2A.
CUSTOMER MAILING ADDRESS ACCOUNT INFORMATION
CITY OF SAN LUIS _ ACCOUNT NO. GBV-58-05001
ATTN: BOB HAMILTON CONTROL NO. 1027684-B
108 OLD CREEK ROAD =;.: METER NO. 154266
CAYUCOS, CA 93430 ENERGY USAGE: 263920 KWH/YR
ENERGY COST: 10.00 CENTS/KWH
-----------------------------TEST --------------•----------------
RUN NUMBER 1
STANDING WATER LEVEL(FT) -110.8
DRAWDOWN(FT) -
PUMPING WATER LEVEL(FT) -110.8
DISCHARGE LEVEL(FT) 325.7
DISCHARGE PRESSURE AT GAUGE(PSI) 141.0
TOTAL LIFT(FT) 214.9
PG&E WATER FLOW RATE(GPM) 1838
WELL YIELD -
THOUSAND.GAL PER 24 HOURS 2647
HORSEPOWER INPUT TO MOTOR 163.0
PERCENT OF RATED MOTOR LOAD 77
KILOWATT INPUT TO MOTOR 121.6
KILOWATT HOURS PER THOUS.GALS 1.1
OVERALL PLANT EFFICIENCY 61.1
---------------------- ----TEST REMARK ------------------------------
-THE OVERALL PLANT EFFICIENCY IS FAIR BASED ON RUN NUMBER 1's
NORMAL OPERATING CONDITION.
-TEST RESULTS MAY BE IMPAIRED DUE TO A POOR HYDRAULIC SECTION.
-INLET PRESSURE=48PSI.
DISCHARGE PRESSURE=141PSI
---------------------------POTENTIAL SAVINGS---------------------------
THE SAVINGS BELOW ARE POSSIBLE IF THE OVERALL EFFICIENCY OF YOUR
PUMPING PLANT WOULD BE IMPROVED TO THE LEVEL INDICATED BELOW.
THE CALCULATIONS BELOW ARE BASED ON NORMAL RUN NUMBER 1.
�e . PRESENT ESTIMATE POTENTIAL
CONDITIONS.: ; AFTER REPAIRS SAVINGS
OVERALL PLANT EFFICIENCYX (%) , -61.1, 69.4 -
ANNUAL ENERGY USED (KWH5sa... .... - 263920 � l 232710 ' 31210
ANNUAL COST W . ._ .26392. 23271 3121
ANNUAL OPERATING HOURS 2170 1904 266
WATER FLOW RATE (GPM) 1838 2095 257
TOTAL LIFT (FT) 214.9 214.9 -
% OF RATED MOTOR LOAD 77 100 -
KILOWATT HOURS PER THOUS.GALS 1. 1 1.0 0. 1 //ff
ANNIIAI, THOUS.GALS PUMPRD 238927 2:19927
PG&E AGRICULTURAL SERVICES
PUMP TEST REPORT
TEST BY: DENNIS KUNKEL TEST DATE: 12/19/91
H.P. : 200.0 PUMP MAKE: PEERLESS
MOTOR MAKE: MARATHON PUMP TYPE: CENTRIFUGAL
LOCATION: WHALE ROCK PUMP STATION 3A.
CUSTOMRR MAILING ADDRESS AOOnUNT INFORMATTON
CITY OF SAN LUIS ACCOUNT N0. GBV-58-05001
ATTN: BOB HAMILTON CONTROL NO:. 1027684-C
108 OLD CREEK ROAD METER N0: 154266
CAYUCOS, CA 93430 "- ENERGY USAGE: 263920 KWH/YR
ENERGY COST: 10.00 CENTS/KWH
-----------------------------TEST RESULTS------------------------------
RUN NUMBER 1
STANDING WATER LEVEL(FT) -106.2 ;.
DRAWDOWN(FT) -
PUMPING WATER LEVEL(FT) -106.2
DISCHARGE LEVEL(FT) 328.0. '
DISCHARGE PRESSURE AT GAUGE(PSI) 142.0 .
TOTAL LIFT(FT) 221.8- >
PG&E WATER FLAW RATE(GPM) 1633
WELL YIELD -
THOUSAND.GAL PER 24 HOURS 2352
HORSEPOWER INPUT TO MOTOR 162.1
PERCENT OF RATED MOTOR LOAD 76
KILOWATT INPUT TO MOTOR 120.9
KILOWATT HOURS PER THOUS.GALS 1.2 `.
OVERALL PLANT EFFICIENCY 56.4
--------------------------TEST REMARKS - -----=-----------------
-THE OVERALL PLANT EFFICIENCY IS IOW BASED'ON. RUN NUMBER 1's
NORMAL OPERATING CONDITION.
-TEST RESULTS MAY BE IMPAIRED DUE TO A POOR.HYDRAULIC SECTION.
-INLET PRESSURE=46PSI
DISCHARGE PRESSURE PRESSURE =142PSI
POTKNTiAr_ SAVTN -
THE SAVINGS BELOW ARE POSSIBLE IF THE OVERALL EFFICIENCY OF YOUR
PUMPING PLANT WOULD BE IMPROVED TO THE LEVEL INDICATED BELOW.
THE CALCULATIONS BELOW ARE BASED ON NORMAL RUN NUMBER 1.
PRESENT ESTIMATE POTENTIAL
CONDITIONS AFTER REPAIRS SAVINGS
OVERALL PLANT EFFICIENCY (x) 56.4 69.4 -
ANNUAL ENERGY USED (KWH) 263920 214617 49303
ANNUAL COST M 26392 21462 4930
ANNUAL OPERATING HOURS 2183 1779 404
WATER FLAW RATE (GPM) 1633 2004 371
TOTAL LIFT (FT) 221.8 221.8 -
% OF RATED MOTOR LOAD-'.' ..-.-.*. - -' 76-'=.J, 100 -
KILOWATT HOURS PER THOUS.GALS- -- 1.2 w_ -- -x..1.0 0.2
ANNUAL THOUS.GALS PUMPED 219933 . -' - 219933 -
7-i.3-�9
PG&E AGRICULTURAL SERVICES
PLITIP TEST REPORT
nOT��R s���E; X� ����E PL�7E P\�MP TYPE : CENl �lFUG�L
WHALE ROCK BOOSTER STATION PUMP B-1 .
CUSTOIvIE1:;'^��ILINC-�DDRES� � ACCOUNT.IuFORMwTIDN
CITY OF SAN LUIS ACCOUNT N(-". J1,V~76~�89O1
ATTI%I: BOB HPIMILTOW CO#TROL NO. 1O27633-A
103 OLD CREEK ROAD METER N )~ G��37T
CAYOCOS, CA 93430 ENERGY USAGE: 3713�6 KWH/YR
ENERGY COST� 10.�� KWH
,
........ -.......................�............~~~....
RUN |�UM�E� 1
STANDING �ATER LE�EL(FT) ��43.2
D R WDGWN(FT) -
PUMPING WATER LEEL�FT�
DIS[H��GE iE�EL� FT) 371 .9
DISCH���E PRESS��E �i G�UGE(PSI ) 161 .<>
TOTAL 228.�
PG&E WR FLOW �7:,ATE(GPM) 1666
14ELL YIELD �
THOUSAAD.��L PER 24 HOURS �3�9
HORSEPO'WER INPUT TU MOTOR 160. 1
PERCENT OF RATED MOTOR L[}�D 99
KILOWATT IHPUT TO MOTOR 119.4
KZLOWi2iTT HOURS PER THOUS.GALS 1 ,2
O�ERALL PLA!1T EFFICIENCY 60.0
-~~�---------
THE
�T ��FFICI NC�~~:I'S FAIR u-~ �
��-ED ON
RUN NUM�ER 1 's
- O�E6ALL PL/� �
N�RMAL OPE�ATI|�G CONDI,rIcN°
-.MEPISURED IN ;DLTSWAMPS
^
S"'VINGS...........~~�~~~-~~�-^^--~~---~�~
THE �A�INGS �ELOW Al:-'E pOSSI-~~--~~~�E~~�-~�~L EFFICIENCY OF
PUMPI�G PLANT WOULD BE IMPRO:ED TO T'HE L-17-VEL INDICATED DELCW.
THE CALCULI-TIONS �ELOW ARE BF.,SILD ON NORMAL F%*UN NUMBER I .
PRESENT E5TIMATE PDT£NTIAL
C � DITIONS AFTER REPAIRS S�VINGS
OVERHLL EFFICIENCY 60.0 68.9 �
�NNU/�L E�EROY USED ( KWH) 371306 32���8 47318
A�4HUAL COST ($) 37131 3239� 4732
ANNUAL DP�I:-'ATIHG HOURS 3110
WATER FLOW 1666 1F�� 239
TOT*`L LIF'F (FT) 2120.7
%
In 1 .l
D 3S�422 �0942� �
��
L4-g-.30
PG�E AGRICULTU�AL �ERVICES
PUMP TEST RE�URT
H.�. : j ��.�, 1::IU�l MAKE: NO F��P MAkE
PiTIP, T\PE: CE�lR�F�G�L
LUC�TIi !�� WHALE ROCK B 1 .
�CCOUNl~I]%.1FbRM�{l01
CITY OF SAN LUIS ACCOUNT NO. ".1"V-76-08��1
ATTN. BOB HAMILTON CONTROL NO. 1027683~A
100 OLD CREEK ROAD METER NO. 88737T
CAYUCOS. CA 93430 E. R
ENER�Y COSl � 1O.O� CENT�> KWH
RESULTS'-.......�~`- - ----~-----^~--�~~- -'
K�H NU�|BFR 1
5TAN1)Iu� R LEVELFT)
DR�WDUuN( FT � �
PUMPIUS Hi�,Ti: LL(F ( ) -1:53.9
l�ISCH�KGE LE�EL( FT) 371 °9
DI3�H��SE P�ESSURE *T
TOTAL FT8.O
PG&I FL("W
WELL YIELD ~
H�RSEF�WER INPtiT TO HOTOR 14B.8
PERCENi ��F �AlED ��TuR LO�D 92
�IL�W�T[ INPUT i'D 111 ,0
THOU�.GALS D.�
O�/EF�RLL |`L�HT EFFICIENCY
84.3
~�~~~~�-�TEST REMARK5~~-~~~�~~-^�~~~-^~-~-~~-~^-^�~
~TBE UVERoLL PL�NT EFFICIENCY IS EXCELLENT BA5ED DN �UN KUM�E� 1 s
NORM�L DPFR���ING� CONDITIO14,
~INLET PRE�SURE EQUALS 56PSI .
~TEST RESULi"S MAY BE IMPAIRED DUE TO A ECTluN.
~� �
F'G.SE
'f EST F.EF'ORT
1•:E I Arl P1.11 d::, I.E:
I'9(:?f C.;R 11 l:l : F., f; 10;1 1 F,E C C:1.4' F:1 F 1..!1..J I...
L,CAM I(Oil WHALE IROC K B-2
MIT UST
CITY 01= Sj'si.li L'6 i S,
ATTIA: BOB FIAMILTON 1,10'.
108 OLD CREE'l< ROt"•iD
CAYUCOSr (:,1-, 93-4-30
E 1.1 FE: C.0 f :1. 0 C E I "v)1.1
..........
... ...... ............
E:R
i...E..)F-EL.(F'I
D1 -10f-'C-L I. i F r) , Z5!3. ..`:
WESCIAR&E. KREVAINE AT 9.u1
WELL Y 1:E L.1.,
THOUSAH'I"l. ... PER IICIURS 2 A 16
THFI.YT "F--') I10TOR 1,5,'.13
PE R C E N " C*jF F..0 HCM.*.:�R
K1L..01).jj"j'iT Tlil I.Y� `Cj 122 1 5
61
......... RIZ.11ARKE.............. .................
-lEC, cil,l Pl.!! ;J.-L Pl. EF71 101 11 y
NG i.._,CA-.:D1T1 ON
1) JAJE 10 A PCICA;.", G S E C
-E TITIF E
E.'.':�UALS 5:31SI .
'I HE P0, OF
FIMPIKIN PUVIT KARA) BE INPROVED TO 'i HE LEVEL
- HE Pof�ISA::D ON F,'UH
PFUESUff 1,:!. FEIi.,:!4T 1,
COHIA:4 TON"i., F T*I.-.,:!Z.,
60 Q
Al loss
AFMAL :.!I !::.I:; 11A WAS 2511.7
F! i..W ;•:44fE kGPITI ) I 67E3
R 0 :....1:> C!
C?F
-
PG&E �GRICULTURAL �ER:ICES
PU/1P TEST REPORT
TEST C�TE� 11/l���1
H.P. � 1-,E: I IO PMA1"E
LENT�IFi�G�L
WH1ALE ROCK B3.
C�ST���R ��lLlNG-����RESS �CCOUN{.I�FUR���I01
CITY OF S�N LUIS /�CCOUNT NOI
ATTA� BB H�MILYON �ONT�DL N0. 10I76��J~C
108 OLD ROAD METER NO. 88737i
CAYUCOS, CA 9�430 � ENERG| US�GE: ��7S13 WH/|R
EN�RGy COST ; 1;.0� CENTS/14:WH
~
-^��~~--`-~'-`~~~~~-~-^-_TE5T R�SULT��-~.......... ............--.. -....~-~~...-...
-
.......' '
ST�#0I. U* LE:EL( FTJ3.�
PUMPl��� U�� ER LE:EL(F7) ~133.9
�IS[HA��E LE�EL<FT) 371 .9
SU1:;:E AT GAUGE(PSI ) 161 .0
TUT�L LIFT/ FT\ 238.0
PG&E TERPAlE' 8PM) 1G2O
WELL YIELD ~
THOL�SAND.GAL PER 24 HOURS 2621
HORSEPGWER UF�T� TO M�TO�� 168.I'D
PERi:ENT OF I"!Ol0R LOAD 79
KILOWATT I�PUT T3 mOTOR 125.3
KILO��A7T HU ........ FER_ THJUS.GALS 1 . 1
OVERALL PLjHT EFFICIENcy 65, 1
-~~----- ... ........-----~~-------
...,�...
-THE OVEKALL PLANT EFFICIENCY IS C300D RUN HUMBER 1 ' s
#O����L UP�RAlING CONDITION,
~-TE�TS MAy }�E IMPMAIRED DUE TO A �OOR HYl/R�ULIC SECTION.
�IAP�T rCESSERE EQUALS 543 PSI .
^` -- '--^ .................
�~
THE SA�IN6S l�ELUW AFIE POSSIDLE IF THE OVERALL EFFICIENCY OF YOUR
PUMPING PL,;�,UT W-DULD BE IMPROVED TO THE LEVEL IIADICATED l:ELCW.
THE �;�L�i�L��i8NS �ELb�� AKE �ASE� �N N�KM�L RUH Ni�M�E� 1 .
PRESENT E5lIMAlE
CONDITIDNS AF"EF" REPAIRS SA;lNGS
OVER�LL PL�N7 EFF��IENCY �%> 65. 1
( KWH) 307013 23�099 1��14
wNAUAL S[ E��lIwG J-.'OURS 2450
WATER FLGW R,�:17E (GPM) 1.620 19O.1 121
TOTHL LlFF iF7 ) 2S.O
L."R, �UUS.GALS
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Pacific Gas and Electric Company Los Padres Division Bill Hopper)
406 Higuera Street Marketing Manager
P.O.Box 592
San Luis Obispo,CA 93406
805/595-6326
January 27, 1992
Mr. Robert Hamilton
Water Supply Supervisor
Whale Rock Project
108 Old Creek Road
Cayucos, CA 93430
Dear Bob:
As we discussed, PG&E will pay a rebate for pump repairs at your two
pump stations. These rebates will be in accordance with the
guidelines/ in our Agricultural Retrofit Program; I have enclosed the
application forms which are to be completed by you after the repair
projects have been completed.
The projected rebates will be 50% of the project costs based upon
your estimates in your examples in your letter of January 6, 1992.
You can see the rebate amounts on the application forms. Your rebate
will be 50% of the project costs.
If you have any questions, please call me at (805) 595-6321 .
Thanks,
G org�— Dennis
Ag Account Representative
GHD:nss
Enclosures
C'a3'3�
DEC - — a i r•tr_, tN 1 3 1 3 PEERLE :=. = Ft= E ": I10
Peerless Pump
r A Sterling Cbm1 pony
17SS Broadway
Bo: 1567
Fra:no. CA 93716
Teiepnona (209) 233-124f
,
FAX NO. (209) 233-2984.
TELECOPIER FORM/COVER SHEET
T6: j[a Lr__ &+ ; DATE /.��'� 9l
i
FAX No:'8o�'- 99 ,?._047_ Ftm: � AA,0k! 2
ATTN: AOA A4 /tri NO. OF PAGES:
SUBJECT: 8A/68
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MESSAGE:.a2,- !Flg; ::L .Z 9lgo
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R• H. MAYSE
1C+8 OLD CREEK Pot
CAYUCOS, CAL. ==z
9343
' IANN
PAUL L. ADAMSON -^
[,J 1
CONSULTING CIVIL ENGINEER
5�3 BYRON STREET, PALO ALTO.CALIFORNIA
TELEPHONE 326-2.470
March 18. 1964
Mr. E. Price Thompson
Water Superintendent
City Hall
San Luis Obispo, California
Re: Whale Pock Pumping Plant Additions
Dear Price:
Enclosed are two copies of certified performance curves and dimensional
data for each of the four new pumps installed in the Whale Rock Pumping
Plants.
In the review of these curves I have noted the following:
1. Test speed is shown as 1775 r.p. m. rather than the 1760 r.p. m. specified.
2. The curves are exactly on the specified requirements of 2600 g. p.m. at
203 feet but discharge is well above that specified at 240 feet and noticeably
lower than that specified at 160 feet. The latter is 0. K. since in any case
the discharge shown at 160 feet is nearly 3000 g.p.m. I believe these
characteristics are probably better than the requirements specified.
3. The maximum shutoff head is shown to be about 288 feet rather than the
280 feet, specified. This is not critical. in any case it would probably
drop to 280 feet at 1760 r.p.m.
4. The pump efficiency is high (about 86-877a). The over-a11 efficiency meets
that specified (7876) but is somewhat lower than the Peerless curves for
the existing pump. This is probably due to the fact that the 200 h.p. motors
operating at about 160 h.p. do not provide quite as high efficiency as did
the 150 h.p. motors.
5. The impeller diameter is shown as 16-1/2 inches rather than the 16 inches
indicated for the existing pumps. I suspect that Peerless purposely changed
the impeller .size to obtain what appears to be a somewhat better curve
for this service.
Over all. I believe that these pump curves and data are satisfactory and
acceptable but will withhold a belated approval pending receipt of your approval
�/3-3�
E. Price Thompson - 2 - tz Ma'?cb 18. 1964
or comments on these units. I have three additional sets of this material
and can furnish you more copies if you desire.
Very truly yourso
f•!`.IGINAL SIGNED B
Paul L. Adamson
PLA:nb
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MEETING DATE:
March 26 1992
_ WHALE ROCK COMMISSION REPORT ITEM NUMBER:
II — 3
r =ROM: William T. Hetland, Utilities Director Prepared By: Bob Hamilton
SUBJECT:
Whale Rock Reservoir Fence Replacement
BACKGROUND:
Proper sanitation and security of reservoir water requires control of public and animal
access to Commission property. The existing barbed wire fencing around the reservoir has
been in place for approximately thirty years. While staff has routinely maintained the
fencing, the Project's proximity to the Pacific Ocean has deteriorated the fence to the
point that it is beyond routine repair. Replacement funds. were requested and approved
in the 1991-1992 Whale Rock operating budget.
FISCAL IMPACT:
The establishment of an ongoing fence replacement program around the reservoir will
cost $13,000 per year for approximately ten years. The current operating budget has
funding available for this program. An additional $8,000 was added, for a total of
$21,000, to facilitate the replacement of approximately 1.25 miles of fence this fiscal year.
ALTERNATIVES:
1. Defer the fence replacement.
2. Replace less than 1.25 miles of fence
RECOMMENDATION:
Authorize replacement of approximately 1.25 miles of barbed wire fence, funded from
account number 064-5095-008-119.