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Item 423 Retaining Walls
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AASHTO Soil Classification System - Wikipedia
WebNYSDOT Geotechnical Page 7-8 June 17, 2013 Design Manual • Suitable quality control/quality assurance (QC/QA) procedures should be included in all specifications using recycled materials. 7.2 SUBBASE COURSE Subbase Course is the layer of aggregate material of the pavement structure placed on the subgrade. Weba height of 12 inches (30.5 cm) above its top by densely compacted backfill placed in lifts not exceeding 4 inches (10.2 cm) in thickness. C. First Class Bedding, Class B - The Contractor shall provide for the bedding of a ditch conduit in accordance with the standard detail titled Class B Bedding in which WebSLUMP - 8"-11" or, an alternative method is to achieve an 8"-15" diameter spread from a 6" long 3" diameter tube filled vertically and lifted off vertically Unconfined Compressive Strength Targets: @ 3 days @ 7 days @ 28 days @ 90 days MIN 10 PSI 25 PSI 30 PSI how do you find ssn