EXHIBIT 3-B
Governance
Committee Comments on Value Engineering Alternatives From
8/25/14 Committee Meeting Refer to pages 7 – 10 of the Final Value Engineering Study
Report |
|
Richard Svindland and Ian Crooks
reviewed Cal-Am’s response to recommendations BD-6;
E1 through E7; M-4; TP-1 through TP-11; and RS-2. Comments from the Governance Committee
are listed below. |
|
E-2 |
If recommendation were to be followed, it would affect plant
sizing, and reliability (with more pumps, operation could continue if some
pumps were down). Committee noted
that any change affecting plant size would be a concern to the
community. Many parties to the
litigation have agreed that 9.6 MGD is recommended or 6.4 mgd
with a groundwater replenishment project. |
TP-1 |
Cal-Am representatives said that this change could cause an
increase in brine concentration to the outfall, and operation of outfall to
the National Marine Sanctuary, which could increase costs. Through use of slant wells, it is possible
that the source water will require less treatment and result in increased
plant efficiency. Committee asked if
the plant could be designed to use 45% recovery rate and later increase the
recovery. CAW responded that yes, if
conditions change, modifications could be made to increase recovery. |
TP-4 |
Committee asked that the report include the annual and
life-cycle cost savings associated with elimination of sulfuric acid
treatment from the process. |
TP-7 |
Committee clarified that if this change were implemented, a
one-month delay in project completion would result. However, due to the time extension recently
granted by the California Public Utilities Commission (CPUC), this delay
would not inhibit timely completion of the project. |
TP-9 |
Cal-Am representatives stated that the review of alternatives
will be completed prior to the September 17, 2014 meeting of the Governance
Committee. |
TP-10 |
Committee agreed that an expenditure of $225,000 to evaluate the
mean size of sand granules so that pump screens can be designed properly, would be a wise expenditure. |
TP-11 |
Cal-Am representatives say they will review this, but have
concerns that implementation would result in increased iron and manganese to
the outfall. |
RS-2 |
The committee requested that this be carefully analyzed, so that
the information is available before State Water Resources Control Board
hearings on this issue. There should
be a plan to accelerate construction so that operation could begin as soon as
possible, especially in the event that drought continues. (Cal-Am’s current
plan is that partial operation of the plant could begin after the first six
months of construction.) There are
permitting and environmental considerations to plan for, if construction were
to be accomplished in shifts at night.
A final decision on whether to implement shifts could be made after
60% design work is complete. Cal-Am
will investigate this, and also ask the test well drillers to provide a quote
for operation with 1, 2 and 3 shifts. |
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