APi
CONSTRUCTION COMPANY IS CURRENTLY WORKING ON UNIT
3 AT TUCSON ELECTRIC POWER'S SPRINGERVILLE GENERATING STATION
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APi Construction
Company is currently working on Unit 3 at Tucson Electric
Power's 400 Mega Watt Coal Power Generating Station
in Springerville, Arizona. Overall project construction is more
than 50 percent complete and proceeding ahead
of schedule toward an anticipated start-up date in the third
quarter of 2006.
With significant advancements in control
technologies and equipment to limit emissions, today's super-clean, high-efficiency
power plants like Unit 3, have made coal
a
viable
energy source. Coal is relatively cheap and plentiful. We have
more coal in the United States than any other country which makes us the "Saudi
Arabia" of coal.
Unit 3 will use new technology to limit emissions, including
dry scrubbers
for sulfur dioxide
reduction, selective catalytic reduction and low NOx burners
to control oxides of nitrogen, and baghouses to capture particulates.
Fly ash and bottom ash byproducts from the coal combustion
process will be collected and stored on-site in sealed landfill
facilities.

APi
Pre-Fabricated Panel Installation in Progress on the
Baghouse
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In
addition to Unit 3 other work on this project will upgrade
the emission control equipment on existing
facilities at Units 1 and 2. The plan includes upgrading existing sulfur
dioxide scrubber systems and installing improved low-nitrogen
oxide burners on those
units.
With this new equipment,
total combined emissions from all three units will
be significantly
less
than previous
emissions from the
two existing units.
APi
Construction's project scope includes: insulation & lagging
work on the boiler, ductwork, piping, SCR, SDA and baghouse. This
8-month project involves over 100 skilled craftsmen.
To appreciate the shear size of this project, consider that
at the project conclusion APi will have provided and installed
the following:
- 400,000
pounds of sheet metal lagging and flashing
- 60 truckloads
of blanket insulation
- 46,000
lineal feet of pipe insulation
APi Construction Company's scope of work at Springerville
includes the complete insulation and lagging of:
- Boiler
- Dry
scrubbers
- SCR
equipment
- Baghouse
- Turbine
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- All
air and flue gas ductwork
- All
associated piping
- Air
heaters
- Feedwater
heaters
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Fabrication
and Material Storage Area
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Installation
of Insulation
and Lagging on Ammonia Storage Tank
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Some
of the Thousands of Feet of Pipe Insulation and Jacketing
APi has Installed at Springerville |

Mounting
Structure Called "Subgirt" is Attached Before Insulation &
Lagging can be Installed |
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A
Nearly Finished Hopper on the Baghouse |

Blanket
Insulation on a Wall is Now Ready to be Covered with Metal
Lagging |
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Parts of this headline rely on extracts from www.tucsonelectric.com
which are reproduced here by permission of Tucson Electric Power
Company. For more information, visit their website at: www.tucsonelectric.com
As a national
scope union contractor, APi Construction Company has successfully
completed industrial insulation projects throughout the United
States and Canada and is known as an industry leader. With
over 70 years of experience APi Construction Company is the insulation
contractor of choice on many power plant projects because it
offers customers
an advantage when schedule, efficiency and performance are of
utmost importance. It consistently provides product and service
at competitive prices and is well recognized and respected within
it's industry. |
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For
more information visit their website at www.apiconst.com
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