Camanche Reservoir Water Treatment Plant Project

1
Camanche Reservoir Water Treatment Plant Project

Cornerstone Engineering Group The Foundation for
Your Civil Engineering Needs
Final Design
Camanche Reservoir South Shore (CASS) Camanche
Reservoir North Shore (CANS)

• Cecilia Zamora
• Evangelina Reyes
• Kathryn Garcia
• Michael Bockrath
• 04/28/04

2
Overview

• Project Review
• Overview w Approach
• Alternatives
• Design Features
• Membrane Selection w Obstacles
• Constructability w Sustainability
• Environmental Impact
• Final Design
• Final Recommendations w Future Requirements
• Vendor Selection w Costs
• Schedule
• Summary

3
Project Review

• Overview
• Single Water Treatment Plant
• Serving both South Shore and North Shore
• Supply pipeline through Camanche reservoir to
  existing North Shore storage tanks
• Minimum Capacity
• 0.5 Million Gallons Per Day
• 100 redundancy
• Expandable to up to 2 Million Gallons Per Day
• Water quality regulations
• Current and Future
• Reduce OM cost

4
Project Review (continued)
5
Project Review (continued)

• Approach
• Evaluate Alternatives
• No Build
• Retrofit Existing Plants
• New Consolidated Plant
• Regulations
• Existing
• Future
• Cost Analysis
• Calculations Drawings

6
Overview

• Project Review
• Overview w Approach
• Alternatives
• Design Features
• Membrane Selection w Obstacles
• Constructability w Sustainability
• Environmental Impact
• Final Design
• Final Recommendations w Future Requirements
• Vendor Selection w Costs
• Schedule
• Summary

7
Design Features

• Membrane Selection
• Types of Membranes
• Micro Filtration
• Ultra Filtration
• Nano Filtration
• Reverse Osmosis
• Ultra Filtration Selected
• Log credits
• Budgetary Costs
• Chemical Byproducts (TTHM)

8
Design Features (continued)

• Obstacles
• Obtaining information from vendors
• Data Sheets Technical Information
• Costs and Pricing
• System Specifications Drawings
• Creation of profile from incompatible programs
• 3D TopoQuadsf AutoCAD
• Unavailability of topographic data
• Utilize project drawings from client

9
Design Features (continued)

• Constructability
• Pre-fabricated fully assembled system
• Skid mounted modules ready for operation
• Easily expandable up to 2.0 Million Gallons per
  Day
• Fully-automated controls
• Remote monitoring limits operator attention
• Automated chemical dosing for disinfection
• Cleaning in place

10
Design Features (continued)

• Constructability (continued)
• Operator training provided by Manufacturer
• Ultraviolet system
• Operation, cleaning, sampling, maintenance
• Building layout
• Adequate space for system expansion
• Adequate clearance and spacing for operators
• Performing maintenance and daily procedures

11
Design Features (continued)

• Sustainability
• Building
• Storage space
• Office space
• Laboratory testing space
• Repair/shop space/work space
• Maintenance
• Calibration of equipment
• Building maintenance
• Annual Water System inspections

12
Design Features (continued)

• Sustainability (continued)
• Chemicals
• Purchase chemicals as needed
• Environmental Impact
• Mitigated Negative Impact Statement
• No Significant Potential Impacts

13
Overview

• Project Review
• Overview w Approach
• Alternatives
• Design Features
• Membrane Selection w Obstacles
• Constructability w Sustainability
• Environmental Impact
• Final Design
• Final Recommendations w Future Requirements
• Vendor Selection w Costs
• Schedule
• Summary

14
Final Design

• Final Recommendations
• Ultra Filtration Membrane System
• Ultraviolet Disinfection
• Multiple Barrier
• Supply Lines
• 10-inch Diameter Pipe from Aqueduct
• 8-inch Diameter Pipe to Storage Tanks
• Booster Pump to North Shore Tanks
• Future Requirements
• Room for Additional Skids
• Expansion of Ultraviolet System
• Additional pumps to South Shore Tanks

15
Final Design
16
Final Design (continued)

• Vendor Selection
• Vendor scored 1 to 3 (3 for best 1 for worst)

17
Final Design (continued)

• Costs
• Estimated price
• Obtained from Aquasource manufacturer
• 16-module skid, strainer, backwash pump, clean in
  place system, and controls.
• 1 Million /- 10
• One year operation and maintenance cost
• estimated from MWH costs
• 171,000 /- 25

18
Final Design (continued)

• Costs
• Pipeline cost
• including tees, fittings and valves for all
  connections
• 1.1 Million /- 10
• Pipeline across water
• 962,500 /- 25
• Ultraviolet System
• Megatron 250M with digital monitor and automatic
  wiper
• Excluding Installation, Training and Power
  required
• 28,175

19
Overview

• Project Review
• Overview w Approach
• Alternatives
• Design Features
• Membrane Selection w Obstacles
• Constructability w Sustainability
• Environmental Impact
• Final Design
• Final Recommendations w Future Requirements
• Vendor Selection w Costs
• Schedule
• Summary

20
Schedule

• Causes for delay
• Vendor Selection and Participation
• Costs, Specifications, and drawings
• Difficulties obtaining profile data
• Modification
• Environmental Impact Checklist
• Risk Analysis

21
Overview

• Project Review
• Overview w Approach
• Alternatives
• Design Features
• Membrane Selection w Obstacles
• Constructability w Sustainability
• Environmental Impact
• Final Design
• Final Recommendations w Future Requirements
• Vendor Selection w Costs
• Schedule
• Summary

22
Summary

• Single Water Treatment Plant
• South Shore Location
• Mokelumne Aqueduct water source
• Membrane filtration system
• Ultra Filtration Modules
• Ultraviolet Disinfection

23
Acknowledgements

• Mentors
• Andy Enos East Bay Municipal Utility District
• Dr. Gary Litton University of the Pacific
•  Instructors
• Dr. David Fletcher University of the Pacific
• Dr. Abel Fernandez University of the Pacific
• Dr. Camilla Saviz University of the Pacific
• Organizations
• Michael Price Montgomery Watson
• Simon Morris Infilco Degremont, Inc.
• Joseph Spano Department of Health Services
• Dave Remick Department of Health Services

24
Questions