Airfield Sand Specs.pdf

Airfield Sand Specifications

MEMORANDUM FOR 3 CONS/LGCS

FROM: 3 CES/CEOR

SUBJECT: Specifications for Airfield Sand

Airfield Sand must be dried, free running and shall consist of clean, sound, durable particles of crushed stone or crushed gravel and be free from vegetable matter, excess coatings of clay, silt and other objectionable materials and shall contain no clay balls. Graduation will have 100% passing through a # 10 U.S. standard testing sieve, 60% - 75% must pass a #20 standard testing sieve, 25% - 40% must pass a # 40 standard testing sieve, 0% - 8% must pass a #100 standard testing sieve, 0% - 2% must pass a # 200 standard testing sieve, with less than 1% passing a # .02 MM standard testing sieve. All sieves must comply with American standard of testing material (ASTM) E-11.

The gradation (job mix) of the final mixture shall fall within the design range indicated in Table 1.

TABLE 1. REQUIREMENTS FOR GRADATION OF AGGREGATE

Sieve Designation Percent by Weight U.S. Standard Sieve Passing

#10 100 #20 60 - 75 #40 25 - 40 #100 0 - 8 #200 0 - 2 #.02mm 0 - 1

The sand shall be delivered by end dump to building 10-550 located on Elmendorf Air Force Base. The rate of delivery shall be no more than four end dumps per hour, Monday through Friday from 0800 through 1600 hours. Due to the restricted dumping area in Building 10-550, coordination will be required between vendor and government personnel. A government representative shall perform random samples. Weight tickets must be turned in for each load delivered. The government shall provide personnel or a drop box for ticket collection.

TABLE 1. REQUIREMENTS FOR GRADATION OF AGGREGATE