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TM 10-3835-231-13
c.
The six units are to be installed as determined by operating management for the particular TPT site. Particular
attention should be given to the lighting of fuel dispensing areas, around the pumps and the switching manifold.
Suggested locations are shown on (figures 4-1 and 4-2).
4-17. HOSELINE SUSPENSION SET.
Install suspension sets at road crossings, small streams, and other areas where a nestable culvert may not be used.
Crossings must provide clearance from flood stages. Each hoseline suspension kit provides adequate material for one
200 foot wide crossing or two shorter crossings. Materials for the construction of towers (timber, bolts, nails, etc.) are not
included in the kit and must be obtained locally. (See figure 4-14.)
NOTE
·
Materials for the construction of towers (timbers, bolts, nails, etc.) are not
included in the kit and must be obtained locally.
·
Anchor stakes must be driven into the ground with the open side of the V
toward the direction of pull to obtain maximum holding strength.
a.
Suspension Towers. When constructing suspension towers for spans up to 75 feet, short towers constructed of
4x4 timber or similar material can be utilized as long as adequate clearance is ensured. For spans over 75 feet,
towers must be constructed of 6x8 timber or similar material to provide adequate clearance and strength.
Naturally occurring trees along the hoseline route may be used as towers provided there is adequate clearance.
Trees must be a minimum of 10 inches in diameter, sound, and well rooted. All suspension towers shall be
anchored by guy-lines to anchor stakes provided in the suspension kit. When constructing tripod suspension
towers, (see figure 4-14), position one leg of each tower toward the other with the remaining two legs angled
backward and toward either side of the first leg. This will provide maximum strength and stability.
b.
Cable and Hoseline. Install cable and hoseline as follows:
(1)
Drive anchor stake into the ground approximately 15 feet from each tower in line with both towers. Stake
should protrude from ground approximately 6 inches. Use the driving head to drive stakes.
(2)
Hang a pulley block from each tower and thread wire rope through pulley on near side.
(3)
Pull wire rope across stream or obstruction.
4-39
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