Agriculture Reference
In-Depth Information
of the bus shelter, with the wood forms for the paving work around the
periphery. Figure 13.19-B is a detail of the access ramp and curb from the
street leading to the sidewalk. The forms for the curb are set in place at
the proper elevation by a system of stakes. The use of surveyor's string is
shown Figure 13.19-C. The elevation of the string line is fastened to a nail
on a stake. The position of the nail represents a spot elevation taken from
the grading plan. The surveyor's string line shown in Figure 13.19-D guides
the location of the proposed curb and pavement taken from the staking plan,
Figure 13.19 - C
Method of establishing correction eleva-
tion of wood form. The nail represents the spot elevation
shown in grading plan and the string guides the con-
struction of the wood concrete form to correct height.
Figure 13.19 - d
String level used to guide the location
of wood concrete forms at their correct elevation before
pouring concrete
Figure 13.19 - e
Concrete truck in position before con-
crete pour
Figure 13.19 - F
Concrete is distributed to meet height
of wood forms and fill in low spots
