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FP-96 English Version - Eastern Federal Lands Highway Division

FP-96 English Version - Eastern Federal Lands Highway Division

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Section 614.) LEAN CONCRETE BACKFILLDescription614.01 This work consists of constructing lean concrete backfill.Material614.02 Conform to the following Subsections:Aggregate 703.16Portland cement 701.01Water 725.01Construction Requirements614.03 Composition of Mix. Furnish an aggregate which is uniformlygraded from coarse to fine, has a maximum size of 1 inch, and has no morethan 10 percent passing the No. 200 sieve.Proportion aggregate, cement, and water by mass or volume.Furnish lean concrete backfill which contains 185 to 190 pounds of cement percubic yard.Submit the following:(a) Type and source(s) of aggregates(b) Type and source of cement(c) Scale mass or quantity of each aggregate proposed per cubic yard of leanconcrete backfill(d) Quantity of water proposed per cubic yard of lean concrete backfill(e) Quantity of cement proposed per cubic yard of lean concrete backfill(f) Slump614.04 General. Perform the work described under Section 209.Do not place lean concrete backfill in contact with aluminum or aluminumcoatedstructures.Do not use lean concrete backfill above the top of subgrade.567

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