Project in Review

1. Project in Review • Project Objectives • Challenges: Design Phase • Challenges: Construction Phase • Questions Freescale Semiconductor Chandler Groundwater Pipeline

2. Objectives • Groundwater Source and Water Quality • Desired Flow Rate and Required Pipe Size • Project Cost • Project Complete Before Funding Deadline • Other Freescale Semiconductor Chandler Groundwater Pipeline

3. Design Challenges • City’s Acceptance of Final Design Concept • Establishing & Satisfing City &County requirements for industrial use • Tie-ins and interface with City (pump station wells & distribution lines) • Running alignment in congested utility corridors Freescale Semiconductor Chandler Groundwater Pipeline

4. Design Challenges “An air gap or a reduced pressure principle backflow prevention assembly is recommended at each service connection when the auxiliary water supply is or may be contaminated to a degree that would constitute a health hazard;” • City’s Acceptance of Final Design Concept • Establishing & Satisfing City &County requirements for industrial use • Tie-ins and interface with City (pump station wells & distribution lines) • Running alignment in congested utility corridors Freescale Semiconductor Chandler Groundwater Pipeline

5. Design Challenges Evergreen/Apache Well Site • City’s Acceptance of Final Design Concept • Establishing & Satisfing City &County requirements for industrial use • Tie-ins and interface with City (pump station wells & distribution lines) • Running alignment in congested utility corridors Orchid Lane Well Site Freescale Semiconductor Chandler Groundwater Pipeline

6. Design Challenges • City’s Acceptance of Final Design Concept • Establishing & Satisfing City &County requirements for industrial use • Tie-ins and interface with City (pump station wells & distribution lines) • Running alignment in congested utility corridors Proposed Alignment/Utilities Installation of Pole Bracing Bluestaked Utilities Completed Pole Bracing Freescale Semiconductor Chandler Groundwater Pipeline

7. Construction Challenges Blue Staked Utilities • Utilities • Locations Differ • Sizes Differ • Abandoned or Live • Tie-ins • Pipe materials differs from City as-builts • Location of desired tap line differs from City as-builts Abandoned Telco. Line Live ACP Water Line Freescale Semiconductor Chandler Groundwater Pipeline

8. Construction Challenges • Utilities • Locations Differ • Sizes Differ • Abandoned or Live • Tie-ins • Pipe materials differs from City as-builts • Location of desired tap line differs from City as-builts D.I.P. to A.C.P. Connection Freescale Semiconductor Chandler Groundwater Pipeline

9. Construction Challenges • City Shutdowns • Old inoperable valves • Familiarity with distribution system for isolation • Acceptance Testing on Industrial Line • Initial disinfectant injection point was downstream of City well feed • Construction production with City work hour restrictions in traffic Valves, South of Orchid Lane Well Freescale Semiconductor Chandler Groundwater Pipeline

10. Construction Challenges • City Shutdowns • Old inoperable valves • Familiarity with distribution system for isolation • Acceptance Testing on Industrial Line • Initial disinfectant injection point was downstream of City well feed • Construction production with City work hour restrictions in traffic Chlorine Injection, Evergreen/Apache Well Site Freescale Semiconductor Chandler Groundwater Pipeline

11. Construction Challenges • City Shutdowns • Old inoperable valves • Familiarity with distribution system for isolation • Acceptance Testing on Industrial Line • Initial disinfectant injection point was downstream of City well feed • Construction production with City work hour restrictions in traffic Intersection of Alma School Rd. & Knox Rd. Freescale Semiconductor Chandler Groundwater Pipeline

12. Project in Review • Project Objectives • Challenges Design Phase • Challenges Construction Phase • Contracting & Agreements • Questions Project Completed Under Budget & On Schedule Freescale Semiconductor Chandler Groundwater Pipeline