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T

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

project.

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

world’s largest

solar power

facility

Ivanpah Solar Power Facility, Mohave

Desert, USA

Location:

Ivanpah Solar Power Facility,

Mohave Desert, USA

Application:

Solar receivers / boiler towers

Hoist type:

ALIMAK SCANDO 650 FC 32/32 II

No. of hoist cars:

6

Capacity:

3,200 kg (7,100 lbs)

Hoist car size (W x L

x H):

1.5 m x 3.2 m x 2.3 m (4’-11” x

10’-6” x 7’-6”)

Speed:

54 m/min (177 fpm)

Lifting height:

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.

Page 13

Contractors World International Vol 5 No 5