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The coil wires weighing
about 1 ton for each were carried to the site. The coil
wires were placed at the swifter and a wire was drawn
out from the coil.
For continuous erection of the cable, the wire was rolled
up using a reeler as a larger coil weighing about 5 ton.
Shop joints were used for connecting the end of a wire
to the beginning of anchor wire. After that, the wire
was passed through the counter balance tower to get constant
tension. The speed of the spinning wheel was controlled
by the driving winch of the hauling system.
At the anchorage, wires drawn out from the counter balance
tower were hung on the strand shoe by workmen and then
hung on the spinning wheel. Two wires were hung on the
spinning wheel.
When the spinning wheel arrived at the opposite anchorage,
it was stopped and the wires were taken out from the spinning
wheel and hung on the strand shoe. After that, the sag
of the wires were adjusted. When 480 wires (1 strand)
were erected, they were banded to form a strand. This
procedure was repeated to form 14 strands. |
