Transcript Town of Cave Creek Water & Wastewater Capital Improvement

Presented by:
David S. Prinzhorn, P.E.
Town Engineer/Public Works Director/Utilities Manager
Town of Cave Creek
Who I am
 Town Engineer/Public Works Director/Utilities Manager
 Registered Professional Engineer w/35 years experience
 Worked for some of the largest and smallest consulting
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firms in the world
Operator-of-Record for all four Water & Wastewater
Utilities
Responsible for a $12.0 million per year operating budget
Oversee 20 Utilities and Public Works employees
Responsible for Water, Wastewater, Roadways, Right-ofWay, Stormwater, and Roadside Maintenance
Some Basics about the Water System
 Approximately 11,000 people served
 58 Square Mile Service Territory
 20 Pump Stations
 18 Pressure Zones
 Over 177 miles of Distribution Pipelines
 13 Miles of Water Transmission Pipeline
 4 Million Gallons of Water Storage Capacity
 5 Million Gallons of Water Treatment Capacity
 4 Active Water Wells
Some Basics about the Wastewater System
 Comprised of Wastewater Collection System Pipelines,
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Manholes, Lift Stations, and Treatment Plant
WWTP is a 0.66 million gallon per day facility that is
classified as a Complete Mix Activated Sludge plant
WWTP operates 24 hours per day, 7 days per week
WWTP is a Sequencing Batch Reactor (SBR) facility
Facility is currently performing per original design
Working to improve the WW Collection System
Also responsible for Restaurant Grease Trap Oversight
Need for a Capital Improvement Plan
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To establish a regulated flow of monetary spending
To identify areas needing immediate expenditures
To provide a mechanism for public awareness
To allocate staff resources towards long-term goals
To provide a dynamic document that can be changed
To provide a mechanism to measure performance
Because it’s just good business!
 This years W & WW CIP Budget is:
$1,093,420
Areas identified in the 2015 budget
 Water Treatment Plant/Wastewater Treatment Plant
 CAP Water Transmission Pipeline& Pump Stations
 Galloway Water Pump Station
 Neary Water Pump Station
 Ocotillo Water Pump Station
 Desert Hills 10th Street Facility
 Desert Hills 3rd Avenue Facility
 3 Wastewater Lift Station Sites in Cave Creek
Water Treatment Plant - $100,000
 Replacement of old valves, pumps, and motors on
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original three treatment trains (Units 1, 2, & 3)
Updating of electrical equipment to current codes
General facility wide cleaning and facelift
New chemical metering pumps
Re-establishment of the solids processing and effluent
recycling system (recovers ~ 250,000 gallons per day)
Computer & telemetry upgrades
County compliance issues remediation
Cave Creek Water Treatment Plant
Wastewater Treatment Plant – $70,000
 New filter discs for Kruger tertiary filtration units
 Upgrade sludge processing polymer feed system
 Rehabilitation of two wastewater effluent pumps
 Purchase of a spare WAS pump for emergency backup
 General site cleanup for relocation of entire utility
operations group and public works department to one
common staging area
 Ongoing monitoring of Odor Control Equipment
 Continued Preventative Maintenance Program
Cave Creek Wastewater Treatment Plant
CAP Water Transmission Pipeline - $300,000
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Work to resolve Quagga Mussel issues
CAP requested ASME tank inspection
CAP Station 2 Pump Replacement ($9,567.00 – done)
Feasibility investigation and conceptual design of
major pump station replacements (CAP 2 & CAP 3)
Facility security upgrades – fencing/barriers/video
Possible upgrade of one site this year
Possible elimination of one entire pump station
Investigation in energy savings rebates and cost
savings
CAP Water Transmission Pipeline
Galloway Water Pump Station - $10,000
 Demolish old
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hydropneumatic tank
Perform wall and fence
repairs/reinforcing
Perform site cleanup and
pipe repairs
Purchase and install new
CL2 building
Obtain backlog
inventory of spare parts
Neary Water Pump Station - $12,000
 Obtain spare pump seals
and check valve
replacement parts
 Secure site with new
fencing and razor wire
 Perform regular
Preventative
Maintenance
Ocotillo Water Pump Stations - $23,000
 Demolish old Ocotillo 1
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Pump Station
Install new 8” diameter spool
piece
Install 3 new Variable
Frequency Drive Units at
Ocotillo 2 facility
Install 4 new digital Mercoid
units at Ocotillo 2 facility
Install 3 new check valves at
Ocotillo 2 facility
Purchase a spare pressure
transducer assembly
Desert Hills 10th Street Facility - $125,000
 Upgrade chlorination
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system
Repaint water storage and
hydropneumatic tanks
Replace pressure controls
Upgrade SCADA System
and Controls to
Wonderware
Demolish small
abandoned storage tank
Desert Hills 3rd Avenue Facility - $175,000
 Install new Tigerflow
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skid mount pump
system
Paint water storage and
hydropneumatic tanks
Replace pressure
controls
Paint on-site piping
Install new chemical
eyewash station
Cave Creek WW Lift Stations - $23,000
 Purchase spare backup
pumps for Rancho
Manana, Chuparosa, and
Stagecoach wastewater
lift stations
 Rehabilitate Chuparosa
WWLS
 Install Omnisite
telemetry units at
Chuparosa and
Stagecoach WWLS sites
Future CIP Items!
 WTP Treatment Train
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Overhauls
Backup Pumps & Motors
for WWTP
Rancho Manana WWLS
Rehabilitation
CAP Pump Station
Upgrades
Repaint two storage
tanks in Desert Hills
 Abandon old Water
Wells
 Obtain Portable Standby
Generator
 Upgrade
Carriage/Sentinel Rock
Pump Stations
 Consider putting Linda
Drive tank back in
service
Long-Term Water Issues
 Ongoing Drought
 Implementation of a Cave
Conditions and Projections
of Severe Water Level
Decline in Lake Mead
 Effect of Drought on CAP’s
ability to deliver water via
Canal
 Implementation of
significant water
conservation initiatives!
 Interconnection with City
of Phoenix
Creek Sub-Basin
Groundwater Recharge
Program
 Upgrade or Drilling of New
Water Production Wells in
Cave Creek and Desert
Hills
 Consideration of
Recharging 100% of
Treated Wastewater
Effluent