Table 8-5.-Number of 16-Inch Blocks per Course
SAFE HANDLING OF MATERIAL
sufficient strength to withstand the pressure, should
be set back one bag every five tiers, the same as the
When you handle cement or lime bags, wear
end tiers. During unpiling, the entire top of the pile
should be kept level and the necessary setbacks
Lime and cement must be stored in a dry place.
This helps prevent lime from crumbling and the
cement from hydrating before it is used.
goggles and snug-fitting neckbands and wristbands.
Always practice good personal cleanliness and never
wear clothing that has become stiff with cement.
Cement-impregnated clothing irritates the skin and
may cause serious infection. Any susceptibility of the
skin to cement and lime burns should be reported.
Personnel who are allergic to cement or lime should
be transferred to other jobs.
Bags of cement or lime should not be piled more
than 10 bags high on a pallet. The only exception is
when storage is in bins or enclosures built for such
storage. The bags around the outside of the pallet
should be placed with the mouths of the bags facing
the center, The first five tiers of bags each way from
any corner must be cross piled. A setback starting
with the sixth tier should be made to prevent piled
bags from falling outward. If you have to pile bags
above 10 tiers, another setback must be made. The
back tier, when not resting against an interior wall of
LEARNING OBJECTIVE: Upon completing
this section, you should be able to explain the
elements of concrete masonry
Good workmanship is a very important factor in
building masonry walls. You should make every
effort to lay each masonry unit plumb and true. In the
following paragraphs, we will discuss the basic steps
in laying up masonry walls.