34 Pa. Code § 7.465 - Towers
(a) Towers shall be
located to conform to the profile of the terrain and be so located that, under
the most adverse loading conditions, the towing device is unable to lift any
passenger off the snow. Also, under the most adverse conditions, the hauling
rope shall be high enough to clear the passenger's head by at least 2 feet.
Towers shall also be so arranged that descending empty towing outfits are clear
of the snow.
(b) Towers shall be of
a height and so located that, if the rope comes off the supporting sheaves of a
tower, the towers on either side will support the rope clear of grade by at
least 2 feet.
(c) In areas of deep
snow, it may be imperative to use variable tower heights. In such cases,
changes in tower height shall be made in a manner to avoid overloading or
underloading of tower sheave units. This control, when necessary, shall be
provided in the manner prescribed in §
7.445(b)
(relating to towers).
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