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Would construction of the maintenance and reception shafts use the same staging areas (e.g., parking lots, roads, etc.) as the launch shafts?


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June 15, 2020

Would construction of the maintenance and reception shafts use the same staging areas (e.g., parking lots, roads, etc.) as the launch shafts?

The locations of the maintenance, reception and launch shafts would be in separate locations, so access, support and staging facilities would also be separate.
June 15, 2020

Have there ever been three intakes of a similar size using tee screens within the same proximity on the same river?

Intake fish screens constructed along the Sacramento River near the city of Sacramento or in the Delta were smaller than the intake fish screens being considered […]
June 15, 2020

How much water is being pulled out and from where?

In the Notice of Preparation (NOP), DWR identified that the proposed project could divert up to 6,000 cfs with two intake facilities. These intake facilities are […]
June 15, 2020

Is the corridor that was proposed through the Deep Water Ship Channel with an intake near Rio Vista still a possibility?

DWR did not identify the corridor through the Deep Water Ship Channel as part of the proposed project in the NOP. However, this approach may be […]
June 15, 2020

Will there be discussion about the flow capacity used, and will it be pressurized or not pressurized?

The NOP described the project with a capacity of 6,000 cubic feet per second (cfs) with a possible range in capacities of 3,000 to 7,500 cfs. […]
June 15, 2020

Will the sediment basin be lined and, if not, will the basins be in groundwater from 4 or 5 feet below existing ground level and below? Does DCA expect the slurry walls to keep them out of the groundwater?

The bottom of the sedimentation basins at the intakes would be located below the groundwater elevation. As described at the January 22, 2020, SEC meeting, the […]
June 15, 2020

How will this facility be kept operational once it is constructed considering the amount of dewatering that needs to occur?

After construction, the water level in the facility would be higher than the surrounding groundwater. Also, the site would be surrounded by a slurry cutoff wall. […]
June 15, 2020

Is there a possibility that the geotechnical reports DWR is currently conducting could change where the intakes are located?

It is possible that geotechnical conditions may result in minor adjustments to facility locations within currently identified intake sites; however, major changes are not anticipated at […]
June 15, 2020

Can we have the GPS coordinates of the three favorable intake sites?

“The approximate GPS coordinates for the intakes described at the January 22, 2020, SEC meeting are provided below. As discussed in the January 22, 2020, SEC […]