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CART SYSTEM |
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CART SYSTEM |
Here's a system that can make your SpeedStand
warning line system cheaper and easier to use.
The backbone of the system is the
efficient use of carts and pallets to handle SpeedStands.
A special pallet is
built that will fit on a 2-(or 4) wheel cart and serve as storage
for about 20 stands. As shown in Fig. 1, the pallet fits in the
cradle of the cart. It includes posts and a rear side to easily
and safely stack the stands along the length of the cart.
The benefits of this arrangement
include: 
1) Pallets of stands can be
forklifted onto carts.
2) Loaded carts can be forklifted
onto trucks (Fig. 2).
3) The carts and stand fit
conveniently inside the cart frame and use less room in the
truck.
4) The carts and stands can be
easily positioned in the truck.
5) At the job site, the carts can either be hoisted onto the deck (after suitably securing the stands to the cart) or if loading is performed with a liftbed truck, can be rolled on a ramp directly onto the roof deck. (Figs. 3 & 4)
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6) Carts quickly distribute the stands on the roof to set up the warning line system and begin the roof work (Fig. 5).
7) After setup, the carts can be
used to unload materials and equipment, haul debris, and aid the
roof work (Fig. 6).
8) When roof construction is
complete the carts are used to gather and transport the stands to
the unloading area.
9) The carts and stands can be
either rolled or hoisted into the trucks.
10) The stands are easily
forklifted to storage at the shop.
A warning line system is basically
several hundred pounds of stands that, like other equipment, are
handled several times. This cart sytem reduces handling labor,
and allows one semi-skilled worker to quickly set up the warning
line system so that the roofing job can be attacked directly by a
fresh crew.
The constructin details of the pallet are shown in Figs. 7-10. The width and length are adjusted to match the bed of your carts. The pallet can be built from scratch or can be modified from a similar pallet.
Safety pays. Instruct the crew in
safe practices to use when using this system. A cart loaded with
20 SpeedStands can weigh as much as 600 pounds and requires
special caution.
Stack the stands on the pallets so
the carts will resist tipping over. A Garlock 2-wheel cart has a
long bed and a long axle-to-rear distance. To prevent tipping the
stands must be stacked with their top ends to the rear (Fig. 11).
A Cleasby 2-wheel cart has a short axle to rear distance and can
allow stacking with the bottom end of the folded stands to the
rear (Fig. 12). Other carts should be tested to decide the safest
stacking direction.
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Forklift carefully. Inspect the
roof structure and deck to ensure it will support the weight of
the loaded cart. When hoisting a loaded cart with a crane, secure
the stands in the cart with a strong rope and lift with straps so
the the cart remains horizontal. When moving from a raised
liftbed truck onto the roof, provide a sturdy, well supported
ramp that can easily support the weight of the cart and the
workers necessary to control it on the roof. Use care when moving
to control and avoid damage to people and property.
from the manufacturers of :
Warning Line
Systems
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(800)460-7576(541)459-5571 |
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