850 Page 523850 SELECT GRANULAR BACKFILL
850.1REQUIREMENTS
This material will be free from dirt, vegetation, or other foreign substance. The material will meet the following gradation requirements by dry weight: Sieve Size Percent Passing 1½ inch 100 1 inch 95 - 100 1/2 inch 25 - 80 #4 0 - 20 #8 0 - 5 LA Abrasion loss will not exceed 40%. Sampling and Testing: Sampling .......................................................................................................... SD 201 Gradation ......................................................................................................... SD 202 LA Abrasion ..................................................................................................... SD 204 860 Page 524860 PREFORMED EXPANSION JOINT FILLER FOR CONCRETE
860.1REQUIREMENTS
Preformed expansion joint filler for concrete will conform to the requirements of AASHTO M 213, AASHTO M 153, AASHTO M 33, ASTM D7174, or ASTM D8139.