___ at least 6 feet in width shall be established at no more than 30-inch vertical intervals
on all cut or fill slopes to control surface drainage or debris. - ANS Terraces
___ is particles of rock with ___ particles that will pass a 3-inch sieve but be retained on
a ¾" sieve and ____ particles that will pass a ¾" sieve but be retained on a No. 4 sieve.
- ANS Gravel;
Coarse;
Fine
___ Passes a No. 4 and is retained on a No. 10 sieve ___ passes a No. 10 and is
retained on a No. 40 sieve. ___ passes a No. 40 sieve and is retained on a 200 sieve. -
ANS Coarse sand;
Medium sand;
Fine sand
___ shall be installed along the top of cut slopes receiving drainage from a tributary with
a *minimum* of ___ measured horizontally. - ANS Interceptor drains; 40ft
____ is soil that passes a No. 200 sieve with a P.I. equal to or greater than 4 and a plot
of P.I. versus L.L. falls on or above the "A" line. - ANS Clay
____ is soil that passes a No. 200 sieve with a P.I. less than 4 and the plot of P.I. versus
L.L. falls below the "A" line. - ANS Silt
_____ is particles of rock that will pass a No. 4 sieve and be retained on a No. 200
sieve. - ANS Sand
_______ are particles of rock that will pass a 12-inch square opening and be retained
on a 3-inch opening, while ___ are particles of rock that will not pass a 12-inch square
opening. - ANS Cobbles;
Boulders
A statement of special inspections is prepped by whom? - ANS RDP
A way to distinguish silt from clay is by mixing soil with water into a ball, spreading it
onto your hand, then striking the side of your hand with your other hand. You then shake
, the material horizontally to note the reaction of water appearing on the surface. This is
known as a ______. - ANS Dilatancy test
All the fill material shall be compacted to a *minimum* of ___ of the maximum density in
lifts *not* greater than ___. - ANS 90%;
12 inches
Choose one: *Organic fine grained soil* is where 50 percent or more *passes through/is
retained on* the No. 200 sieve. - ANS Passes through
Classification symbols are as follows: ____ for gravel, ___ for sand, ___ for clay, ___ for
silt, ___ for well-graded, and ___ for poorly-graded. - ANS G;
S;
C;
M;
W;
P
Classify soil as *coarse grained* soil when 50% or more *passes through/is retained on*
the No. 200 sieve. - ANS retained
During a sieve analysis procedure, you ___ turn or manipulate fragments in the sample
through the sieve by hand. - ANS cannot
Fill in the blank
Upon arrival at a jobsite, the Special Inspector shall check in with the _____. - ANS
Contractor
SIM p.16
Fill material shall not include ___, ____, or other ___ materials nor rock or irreducible
material greater than ___. - ANS Organic;
Frozen;
Deleterious;
12 inches
Fill slopes steeper than ___ % (ratio) shall be justified by the geotechnical report or
engineering data. - ANS 50% (2 to 1)