Specifications

36
AVANTI Service Lift for Wind Turbines
The gaps on the loading side of the service lift shall
conform to applicable requirements of 5.11 of ASME
A17.1-2013/CSA B44-13
1)
.
The components subjected to possible movement
inside the tower may include, but are not limited to,
dampers, cables, doors, hatches, etc. The service lift
needs a gap of 500mm below the lowest landing area
to accommodate the bottom buffers.
11.1.3 Tower support brackets
The ladder rack is attached to the tower structure at a
distance of max 3000 mm. The tower support
brackets must be so designed that the ladder rack
anchorages can be mounted. The connection
between the tower support brackets and the ladder
rack anchorages is done with M12 bolts A2-70 tighten
with a torque of 50 N·m in the tower factory but with a
torque of 12 N·m on site once the tower has been
erected and before the cabin is going up. Reaction
forces on connection bolts must be considered in the
design of the tower brackets. This information may
vary with the installation characteristics. Contact
AVANTI to get the information.
11.1.4 WTG electrical supply requirements
Electrical supply requirements
Version CE AECO
Power Supply Type 3 Phase +PE + N 3 Phase + PE
Voltage 400 V ± 5 % 400 V ± 5 %
Frequency 50 / 60 Hz 60 Hz
Fuses 16 A 16 A
Protection Acc. To EN 60204 - 1 UL 508A
11.1.5 Other requirements
The WTG manufacturer must provide any other
means necessary to ensure the safe use of the
service lift according to AVANTI recommendations
and its own risk assessment for the integration that
shall include items which are not under AVANTI´s
scope.
11.2 Cautions on site
All installation process must be made according to
the installation drawing supplied by AVANTI.
F
1
1
0
Ø
1
3
M12x40 (2x)
Torque 12 N·m
Prior to installation, check the instructions and drawings.
Prior to installation, ensure that building sections involved
will be able to withstand the service lift loads.
Prior to installation, ensure that all necessary parts and tools
are available and fully functional.
Prior to installation, ensure that platform holes are protected
with fences.
Wear PPE for protection against falls if falling height is higher
than 2 m.
Installation shall be performed by AVANTI or qualified
personnel authorised by AVANTI.
The customer must define the maximum allowable wind
speed ensuring safe installation.
At the end of the workday security
measures must be taken to put the elevator out of service
and make the ladder accessible. Place a warning sign:
SERVICE LIFT OUT OF SERVICE. DO NOT USE
1)
Optional for CE versions. Mandatory for AECO version.
LADDER RACK
ANCHORAGE
Service lift
Less than or equal
to 65 mm (2.5 in.)
Between
90 mm (3.5 in.)
and 150 mm (6 in.)
Platform fence
Platform floor
Greater than or equal
to 25 mm (1 in.)