Owner Builder Exam | Complete Questions
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Terms in this set (302)
,At what depth of trench is 1.2 M or 4 Feet
shoring require / At what depth
of an excavation is shoring
required?
How can shoring be done past 4 This can be done with purpose-built shoring,
feet? or, it is acceptable to
use plywood if it is properly constructed.
Which of the following is not an experienced contractor says it's ok
acceptable method for
determining the correct grading
for a trench?
,
, Before a worker enters any (a) sloped as specified in writing by a
excavation over 1.2 m (4 ft) in qualified registered professional,
depth or, while in the excavation, (b) sloped at angles, dependent on soil
approaches closer to the side or conditions, which will ensure stable faces, but
bank than a distance equal to the in no case, may the slope or combination
depth of the excavation, the of vertical cut and slope exceed that shown in
employer must ensure that the Figure 20-1,
sides of the excavation are (c) benched as shown in Figure 20-2,
(d) supported as specified in writing by a
professional engineer,
(e) supported in accordance with the
minimum requirements of section 20.85, or
(f) supported by manufactured or
prefabricated trench boxes or shoring cages,
or other effective means.
and Correct Answers | Graded A+ | Verified
Answers | Latest Version | Brand New
Version!
Save
Terms in this set (302)
,At what depth of trench is 1.2 M or 4 Feet
shoring require / At what depth
of an excavation is shoring
required?
How can shoring be done past 4 This can be done with purpose-built shoring,
feet? or, it is acceptable to
use plywood if it is properly constructed.
Which of the following is not an experienced contractor says it's ok
acceptable method for
determining the correct grading
for a trench?
,
, Before a worker enters any (a) sloped as specified in writing by a
excavation over 1.2 m (4 ft) in qualified registered professional,
depth or, while in the excavation, (b) sloped at angles, dependent on soil
approaches closer to the side or conditions, which will ensure stable faces, but
bank than a distance equal to the in no case, may the slope or combination
depth of the excavation, the of vertical cut and slope exceed that shown in
employer must ensure that the Figure 20-1,
sides of the excavation are (c) benched as shown in Figure 20-2,
(d) supported as specified in writing by a
professional engineer,
(e) supported in accordance with the
minimum requirements of section 20.85, or
(f) supported by manufactured or
prefabricated trench boxes or shoring cages,
or other effective means.
