questions, answers, and solutions.
Trenches parallel to footings shall not be below a plane having a downward 1:2 slope
starting ________________" above the bottom of the footing, and not closer than
_____________". - Answer- 9
18
1809A.14
An expansion index greater than ____________ is a characteristic of expansive soil? -
Answer- 20
1803A.5.3
What is the minimum slump for deep foundation pours? - Answer- 4"
1808A.8.1
What is the max slope of a stepped footing? - Answer- 1:2
1809A.3
Where pipes pass through footings, pipe sleeves shall provide a minimum of
_________________" clearance all around? - Answer- 1
1809A.14
When testing identified reinforcing bars with mill certs, 1 tensile and bend test shall be
done per ____________ tons of rebar size? - Answer- 10
1913A.2
When testing post installed anchors, the test frequency for non structural anchors
should be _______________% - Answer- 50
1905A.5
What is the minimum reinforcement requirements at intersections of walls with floors,
columns, and footing? - Answer- #4 @ 12" o.c. for each layer of wall reinforcement
1905A.1.8
What is the minimum psi for shotcrete? - Answer- 4,000
1910A.1
When should rebar lap splices and developmental lengths be increased? - Answer- 1.
Closely spaced parallel bars
2. Tight edge distance
3. More than 12" concrete cast below bar (increase 1.3)
4. Lightweight aggregate
(ACI 318 12.14.2) written in
, When are "hook type" (J hook) anchor sill bolts acceptable? - Answer- Interior, non-
shear walls
(ACI 318 Appendix D2 written in)
When is waiver of continuous batch plant allowed? - Answer- 1. Batch plant certification
acceptable to DSA
2. Single story light framed buildings and isolated equipment foundations where deep
foundations are not used
(1705A.3.3.1)
Project construction documents typically require _________________% max moisture
content of wood at fabrication - Answer- 19%
(2303.1.8.2)
During wood construction, what is considered fabrication? - Answer- Fastener
installation
(2303.1.8.2)
Why is 19% max moisture content required during fabrication? - Answer- Bolts values
reduced up to 60% and nails 75%
(NDS Table 11.3.3)
Each glulam member must be market by whom? - Answer- Manufacturer
Special inspector
(1705A.5.4)
What items of a wood structural panel shall be verified? - Answer- Grade
Thickness
Span Rating
Exposure Rating
Sill plates should be made from what type of wood u.n.o? - Answer- Preservative-
treated (PT) Douglas Fir.
Fasteners, nuts, and washers at preservative treated & fire retardant treated wood shall
be what type? - Answer- Hot-dipped, zinc-coated galvanized steel, stainless steel,
silicon bronze or copper.
(2304.9.5.1)
What is the minimum clearance from grade for wood supported by exterior foundation
walls? - Answer- 8" minimum
(2304.11.2.2)
What is the minimum clearance from grade between wood and slab on grade at shower
or toilet rooms with more than 2 plumbing fixtures? - Answer- 6" minimum