613.1DESCRIPTION—This work is the furnishing and placing of stone backfill for miscellaneous drainage.
613.2MATERIAL—
• Coarse Aggregate, Type C or better (no steel slag), No. 1 and No. 57. Section 703.2
• Local Stone. If allowed, acceptable, clean, sound, hard, and durable slabs of stone, sharply broken, if required, and not more than 6 inches in any dimension.
• Geotextiles, Class 1. Section 735
613.3CONSTRUCTION—Place No. 1 Coarse Aggregate or local stone backfill for miscellaneous drainage
in sumps, springs, wells, sink holes, and other places, where indicated or directed. Place geotextiles, Class 1, as specified in Section 212.3(b). If local stone is used, place a 6-inch layer of No. 57 coarse aggregate as the stone backfill top layer.
613.4MEASUREMENT AND PAYMENT—Cubic Yard
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Source: Publication 408 Highway Construction Specifications, 2026 Edition. Pages 526–0 of 1,522. View official source ↗