Specifications include, but are not limited to: 203.07 Select Granular Fill The top size can be up to 4 inches in maximum dimension Used for backfill around pipes, etc. It is usually a sandy type material 203.20 Select Granular Fill Sub-grade The maximum size is 12 inches Used to construct roadway subgrades, which are placed under sub-bases 304.11 304.12 304.14 Type 1 Sub-base Coarse Type 2 Sub-base Coarse Type 4 Sub-base Coarse Type 1 is the most commonly used sub-base coarse. Different items and densities correspond with different gradations Used to construct pavement sub-bases. Commonly referred to as gravel, although it may be crushed stone, slag, etc. Not for use as a finished surface for a gravel road. 620.02 620.03 620.04 620.05 620.06 Fine Stone Fill Light Stone Fill Medium Stone Fill Heavy Stone Fill Rip Rap Stone Ranges from 3 inches in diameter for fine stone fill to 2 feet for heavy stone fill. Used for bank and channel protection (erosion control). This material is dumped from trucks, not individually placed. 703-0201A 703-0201B 703-0201C 703-0201D 703-0201F Crushed Stone – Size 1A Crushed Stone – Size 1ST Crushed Stone – Size 1 Crushed Stone – Size 2 Crushed Stone – Size 3 Top sizes range from 3/16 inches to 1.5 inches. Produced from ledge rock. Not available locally in the entire state. Used for bituminous surface treatment, hot mix asphalt, concrete, etc. Equivalent performance to crushed gravel. 703-0202A Crushed Gravel – Size 1A 90-100% passing the ¼” sieve, 0-15% passing the 1/8” sieve Used for bituminous surface treatment, hot mix asphalt, concrete, etc. Equivalent performance to crushed stone. 703-07 Concrete Sand Natural sand or manufactured sand. Gradations for each item are specified in the NYSDOT Standard Specifications, most current version. Used as fine aggregate component in Concrete. 712-15A Gabion Stone 4”-8” Used for gabion baskets A1 A2 A3 A4 A5 Crusher Run Maximum top size 1” Maximum top size # 1 Maximum top size 1” Maximum top size 1.5” Maximum top size 2” Generally used as bulk fill to stabilize structures. May also be used for footpaths and shoulder backup. Abrasive A Abrasive-Gradation A Natural sand or manufactured sand. Gradations for each item are specified in Attachment 10 – Abrasive A Detailed Specifications Used to treat snow and ice on pavements