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SECTION 02200
EARTHWORK
Based on NFGS-022OOP (Feb 1982)
1.  WORK INCLUDED:  All required excavation and embankment for the
new building and parking and landscaped areas.
2.
MATERIALS :
2 . 1 S o i l M a t e r i a l s :  In general, s h a l l be free of debris. roots,
wood. s c r a p material, v e g e t a b l e matter, refuse, soft unsound
p a r t i c l e s , deleterious or objectionable materials.
2 . 1 . 1 Granular Fill:  F o r capillary water barrier shall conform
to the general requirements for soil materials above and shall be a
c l e a n , coarse grained crushed stone. uncrushed gravel. Or Crushed
g r a v e l conforming to the following gradation:  90 to 100 percent
passing the 3/4-inch sieve and zero to five percent passing the No.
4 sieve, and with a sand equivalent of not less than 50 when tested
in accordance with ASTM D 2419.
2 . 1 . 2 F i l t e r M a t e r i a l :  F o r capillary water barrier shall conform
to the general requirements for soil materials above and shall be
gravel conforming to JIS A 5005, class 5005.
2 . 1 . 3 B a c k f i l l a n d F i l l :  For structures and under spread
f o o t i n g s , paving, o r concrete slabs-on-grade which are not pile
s u p p o r t e d shall conform to the general requirements for soil
materials above and shall be classified as GW, GP, GM, SW, SP, SM by
ASTM D 2487 and conform to the following:  l i q u i d limit shall not
exceed 35 percent when tested in accordance with ASTM D 423:
p l a s t i c i t y index shall not be greater than 12 percent when tested in
accordance with ASTM D 424, and-no more than 25 percent by weight
shall. be finer than No. 200 sieve when tested in accordance with
ASTM D 1140.
Y-SPEC 1/89
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