POWER May 2013 - 9

The planning document says energy efficiency
will be India's most cost-effective
option for achieving short- to mediumterm
energy savings. India recently initiated
the National Mission for Enhanced
Energy Efficiency under the National Action
Plan for Climate Change, outlining
necessary technologies, financing, and
fiscal incentives, and even creating energy
efficiency as a market instrument.
Construction Begins at
Two U.S. Nuclear Reactors
In the U.S., where construction of new
nuclear reactors has stalled for three
decades, two separate nuclear projects
completed placement of basemat structural
concrete for new AP1000 reactors a
few days apart this March. SCANA Corp.'s
South Carolina Electric & Gas Co. (SCE&G)
marked the milestone on March 11 (Figure
2), completing concrete placement of the
nuclear island basemat for its V.C. Summer
Unit 2 in Fairfield, S.C., while Southern
Co.'s Georgia Power completed placement
for a nuclear island at its Vogtle Unit 3
nuclear expansion site near Waynesboro,
Ga., on March 14 (Figure 3).
Each company has proposed two Westinghouse
AP1000 reactors for its chosen
site. The basemat provides a foundation
for the containment and auxiliary buildings
that are within the nuclear island.
About 6 feet thick, it requires 7,000 cu2.
A long haul. Within one week this
March, SCANA Corp. and Southern Co. separately
completed placement of nuclear island
basemat for the first AP1000 reactors under
construction at the V.C. Summer site in South
Carolina and the Plant Vogtle site in Georgia.
This image shows workers laying the 6-footthick
basemat for the nuclear island of V.C.
Summer Unit 2. The task required about 7,000
cubic yards of concrete to cover an area 250
feet long and 160 feet at its widest section.
The pour lasted 51.5 hours. Courtesy: SCE&G
bic yards of concrete, taking-in SCE&G's
case at least-51.5 hours of continuous
concrete pour to cover a surface totaling
about 32,000 square feet. Units 2 and
3 at V.C. Summer are scheduled to enter
commercial operation in 2017 and 2018,
3. Pressing on. Placement of basemat
structural concrete for the nuclear island at
Vogtle Unit 3 near Waynesboro, Ga., was
completed in March. Georgia Power said full
outlines of both nuclear islands at Vogtle have
been completed to " grade level. " The first full
components for erecting the Unit 3 containment
vessel are completed and staged for
installation once the basemat concrete has
cured, including the CR10 cradle and the
containment vessel bottom head. Courtesy:
Georgia Power
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POWER May 2013

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