HomeMy WebLinkAboutTustin Water Service 7 Year CIP - Item 9Water Enterprise
Capital Planning
October 3, 2023
Water Service Overview
2
City of Tustin served by
Irvine Ranch Water
District
City limits served by
Tustin Water (approx.
60% of service area)
Unincorporated County
area served by Tustin
Water (approx. 40% of
service area)
•Population Served: 66,600
•Avg. Production 9.3 MGD
•183 Miles of water main
•9 Active groundwater wells
•7 Storage Reservoirs (13.8 MG)
•5 Booster pump stations
•7 Imported water connections
•5 Inter-agency emergency
connections
Previous Investments in Water CIP
YEAR FACILITY PROJECT DESCRIPTION COST
2008 Pasadena Well New 3000 gpm groundwater production well $4,400,000
2013 Edinger Well New 2000 gpm groundwater production well $7,500,000
2015 Rawlings Reservoirs
Replacement of existing reservoir with two (2) prestressed
concrete water tanks. Total storage capacity 6 MG $13,700,000
2022
Simon Ranch
Reservoir/Booster
Pump Station
Replacement of existing reservoir with 1.1 MG storage reservoir
and 4000 gpm booster pump station and associated pipeline
improvements $17,400,000
2023 Beneta Well No. 2
New 1000 gpm groundwater production well ($1.5M grant
funding)$6,200,000 est.
TOTAL $49,200,000
Investment in Operational and Emergency
Storage
•6 MG Rawlings
Reservoir
•1.1 MG Simon Ranch
Reservoir
•4000 gpm Simon Ranch
Booster Pump Station
•Total of 7.1 MG
operational and
emergency storage
added
Investment in Local Groundwater
Pasadena Ave Well
•3000 gpm groundwater well
•Completed 2008 ($4.4M)
Edinger Ave. Well
•2000 gpm groundwater well
•Completed 2013 ($7.5M)
Beneta Ave. Well
•1000 gpm groundwater well
•Under construction est. completion Q2 ‘24
7-Year Capital Plan – Funding Plan
6
$250,000
$-
$100,000
$1,100,000
$1,600,000 $900,000 $100,000 $2,730,551
$650,000 $500,000
$3,000,000
$100,000
$500,000
$600,000
FY2024 FY2025 FY2026 FY2027 FY2028 FY2029 FY2030
Distribution Production Storgae
$3.1M $1.15M $1.2M $4.1M $1.6M $0.9M $0.1M
7-Year CIP Projects
OC-43 Improvements
Replacement of import water
connection near Walnut Ave. and
Newport Ave.
East Orange County Water District
lead agency. Approved
reimbursement agreement for City
owned pipeline and valves within
project.
Construction complete ($250K)
Main Line Replacement Program
A continuous
maintenance effort to
replace main line that
has reached the end of
its useful life.
Program involves
design and construction
in alternating fiscal
years.
FY 2026 – Design
($100,000)
FY 2027 – Construction
($900,000)
FY 2028 – Design
($100,000)
FY 2029 – Construction
($900,000)
FY 2030 – Design
($100,000)
FY 2031 – Construction
($900,000)
Mardick Road Main Line Replacement
Design and construct a new water
main on Mardick Road between Red
Hill Avenue and Beverly Glen Drive.
- Existing steel pipe with multiple leaks
-Difficult access including easements
across private property
-Project identified in Master Plan
included surrounding improvements
FY 2027 – Design ($200,000)
FY 2028 – Construction ($1,500,000)
Beneta Well No. 2
•Construction of a new 1000 gpm groundwater well
at the existing Beneta Well Site.
•Phase I – Well Drilling: Complete ($2.5M)
•Phase II – Well Equipping: Under Construction
($3.5M)
•Received $1.5M in grant funding
•Anticipated completion: April 2024
Well Rehabilitation Program
A continuous
maintenance effort to
rehabilitate wells.
3 wells identified in
fiscal years FY 2024-
26. Others to be
determined based on
operational needs.
o FY 2024 – Vandenberg
Well ($350,000)
o FY 2025 – Main St. Well
#3 ($350,000)
o FY 2026 – Pasadena Well
($500,000)
o FY 2027 – TBD
17th St. Treatment Facility Electrical
Replacement
Constructed in
1996, consisting of
2 mgd reverse
osmosis process to
remove Nitrate,
Perchlorate and
Total Dissolved
Solids from
groundwater.
The electrical switchgear,
MCC’s, VFD’s and general
control system are
predominantly original and
no longer supported.
FY2025 - Design ($300K)
FY2026 - Construction
($3M)
John Lyttle Reservoir Improvements
Constructed in 1976, the John Lyttle Reservoir is the sole Zone 3 storage reservoir.
Rehabilitation plans include:
-Reservoir interior and exterior recoating
-Installation of new access ladder, safety railing and roof vent
-Flexible coupling at inlet/outlet and overflow connection
-Cathodic protection improvements
FY 2024 – Design ($100K)
FY 2025 – Construction ($500k)
Newport Reservoir Improvements
The Newport Reservoir was constructed in 1926. Reservoir has met end of
useful life and is recommended for replacement.
FY 2026
Analysis /
Feasibility Study /
Design ($600K)
TBD – Construction
Possible
improvements
include demo and
reconstruction of
new reservoir.
2023 Water Master Plan (WMP)
Objective:
•Evaluate current and future water supply and demand needs
•Define average, max and peak water demands
•Emergency preparedness and operational scenarios
•Develop, update and calibrate hydraulic water model
•Optimization of operations and maintenance programs
•Evaluate infrastructure, provide condition assessment and capital improvement planning
•Deliver Capital Improvement Plan for 20-year planning window
2023 WMP Capital Improvement Plan
High Priority Facility Improvements identified in WMP:
•5 Total projects ($6.6M)
•Pasadena Well Improvements
•Vandenberg Well Rehab
•Newport Reservoir Phase 1
•Lyttle Reservoir
•17th St. Treatment Plan Electrical Improvements
*Planned funding directly in the current 7-year CIP Plan
2023 WMP Capital Improvement Plan
High Priority Pipe and Fire Hydrant Improvements identified in WMP:
•21 Total projects ($8.7M)
•16 of 21 projects are small hydrant specific projects at various locations to improve fire flow conditions
•5 pipeline projects to improve fire flow protection and operational hydraulics
*Planned funding directly or indirectly in current 7-year CIP Plan
A comprehensive WMP presentation will be presented at a future City Council Meeting
Questions