Art. 207.01 Porous Granular Embankment SECTION 207. POROUS GRANULAR EMBANKMENT
207.01 Description. This work shall consist of furnishing, transporting, and
placing porous granular material. For the purpose of this specification, the embankment may be above the original ground line, or it may be below the water elevation.
207.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Coarse Aggregate .............................................................................. 1004.05
b.Fine Aggregate .................................................................................. 1003.04 CONSTRUCTION REQUIREMENTS
207.03 General. The aggregate shall be placed in 6 in. (150 mm) lifts, loose
measurement, and compacted in a manner approved by the Engineer, except that if the desired results are being obtained, the compacted thickness of any lift may be increased to a maximum of 8 in. (200 mm).
207.04 Method of Measurement. This work will be measured for payment in
tons (metric tons) according to Article 311.08(b), or in cubic yards (cubic meters) compacted in place and the volume computed by the method of average end areas.
207.05 Basis of Payment. This work will be paid for at the contract unit price
per ton (metric ton) for POROUS GRANULAR EMBANKMENT, or at the contract unit price per cubic yard (cubic meter) for POROUS GRANULAR EMBANKMENT. SECTION 208. TRENCH BACKFILL
208.01 Description. This work shall consist of furnishing aggregate for
backfilling all trenches made in the subgrade of the proposed improvement, and all trenches where the inner edge of the trench is within 2 ft (600 mm) of the proposed edge of pavement, curb, gutter, curb and gutter, stabilized shoulder, or sidewalk. This work also includes the disposal of the surplus excavated material which is replaced by trench backfill. Such disposal shall be made according to Article 202.03.
208.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Fine Aggregate (Note 1) .................................................................... 1003.04
b.Coarse Aggregate (Note 2) ................................................................ 1004.05 Note 1. The fine aggregate shall be moist. Note 2. The coarse aggregate shall be wet.
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Source: Illinois Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 111–111 of 1,217. View official source ↗