hree Alimak construction hoists were
utilized in the construction of three 140
m (450’) solar receivers/boiler towers
at the Ivanpah Solar Generating Facility
in the Mohave Desert. Ivanpah is the world’s largest
solar thermal power plant currently in operation.
Three Alimak Scando 650 passenger &material hoists
with dual hoist cars were used during construction of
three 140 meter (450’) solar receivers / boiler towers
at the Ivanpah Solar Generating Facility in the Mohave
Desert. With a payload of 3,200 kg (7,100 lbs) and a lifting
height of 140 meter (450’), the Alimak hoists provided ef-
ficient vertical access for both men and materials during
the construction of the solar receivers / boiler towers.
Alimak Hek working with Bechtel Power & Bechtel
Equipment performed an engineering evaluation and
specified the Alimak Scando 650 FC 32/32 II system for this
Traveling at 54 m/min (177 fpm), the hoists have a 1.5
m wide x 3.2 m long x 2.3 m high (4’-11” x 10’-6” x 7’-6”)
car size and a 3,200 kg (7,100 lbs) capacity which was more
than sufficient to transport site workers and bulky pal-
letized materials to working height.
The Alimak machines were anchored to structural steel
at approximately 12 meter (40’) intervals and the mast was
allowed to extend above the deck 12 meter (40’) to allow
for access when the modular components were hoisted.
The strength of the Alimak mast made this possible.
Access for the
Ivanpah Solar Power Facility, Mohave
Ivanpah Solar Power Facility,
Mohave Desert, USA
Solar receivers / boiler towers
ALIMAK SCANDO 650 FC 32/32 II
No. of hoist cars:
3,200 kg (7,100 lbs)
Hoist car size (W x L
1.5 m x 3.2 m x 2.3 m (4’-11” x
10’-6” x 7’-6”)
54 m/min (177 fpm)
140 m (450’)
Work to jump the hoists in progress. The unique
design of the mast made it possible to meet the
challenging conditions of the unique job site.
Contractors World International Vol 5 No 5