Louisiana Contractor's Exam - Site
Work & Foundation. Latest 2026-2027.
Questions & Correct Answers. Graded
A
1 foot - ANSWhat is the minimum depth to which exterior footings must be
placed.
1.5 - ANSWhat safety factor is used in the design of retaining walls?
12 inches - ANSminimum size of a footing of a two-story light-frame
construction home on soil with a load bearing value of 2,000psf.
2,000 - ANSBackfill in the annular space surrounding retaining wall
columns must be concrete with a compressive strength of ___psi
2% - ANSWhat is the minimum slope percentage for ground directly
adjacent to the foundation
3 mil PVC - ANSWhich of the folllowing is not an acceptable concrete or
foundation waterproofing system?
a. 6 mil PVC
b. 60 mil Flexible Polymer Cement
c. two-plyhot mopped felts
d. 3 mil PVC
1
Work & Foundation. Latest 2026-2027.
Questions & Correct Answers. Graded
A
1 foot - ANSWhat is the minimum depth to which exterior footings must be
placed.
1.5 - ANSWhat safety factor is used in the design of retaining walls?
12 inches - ANSminimum size of a footing of a two-story light-frame
construction home on soil with a load bearing value of 2,000psf.
2,000 - ANSBackfill in the annular space surrounding retaining wall
columns must be concrete with a compressive strength of ___psi
2% - ANSWhat is the minimum slope percentage for ground directly
adjacent to the foundation
3 mil PVC - ANSWhich of the folllowing is not an acceptable concrete or
foundation waterproofing system?
a. 6 mil PVC
b. 60 mil Flexible Polymer Cement
c. two-plyhot mopped felts
d. 3 mil PVC
1
