WebApr 1, 2009 · The structure backfill type shall be as specified. Within each of the following structure backfill types, the Contractor shall choose from the listed options for each type: (a) Type 1 1. structure backfill in accordance with 904.05 2. non-removable or removable flowable backfill in accordance with 213. (b) Type 2 1. WebThese soils meeting the unified soil classifications of a GW, GP, SW, SP (ASTM D-2321 Class II) and GM, GC, SM, SC (ASTM D-2321 Class III) What is the cost comparison to …
Standard Specification for Reinforced Concrete Culvert, Storm …
Web• A test hole drilled for each City block, or minimum 600 linear foot of Class 2 or 3 Trench Cut to the depth of street cut proposed. • Tests on each layer proposed to be used in the backfill, to determine its suitability under Section X. • Proctor curves for material(s) to be actually used during backfill, according to Section XI. - 4 - Web• Native soil meeting class II, III, or IVA, as described in Table 1, are NOT acceptable initial backfill materials. However, they may be used as final backfill once the initial backfill is placed and compacted. • Class I materials shall be compacted to a minimum Standard … うごメモ 肌
Class II landfill facility Definition Law Insider
WebCaltrans Specifications for Aggregate Base and Recycled Aggregate. Aggregate Base (AB) is typically made of a recipe of mixing different sizes of crushed rock together forming the aggregate which has certain desirable properties.20 mm or 3/4 inch Aggregate Base, Class 2, is used in roadways and is an aggregate made of a specific recipe of different sizes … Webundercut, backfill, and compact the trench as directed by the Engineer. Use 6A, 17A, 34R, or 46G aggregate as backfill material for undercutting due to unstable soil conditions. Use 34R aggregate for bedding material instead of granular material Class IIIA. Place the backfill up to 4 inches below the proposed bottom of the pipe. Web18 CLASS I 19 Class I select material is silty or clayey soil material meeting AASHTO M 145 for soil 20 classification A-4. Soil materials which meet AASHTO M 145 for soil classifications A-2, 21 A-5, A-6 and A-7 are acceptable provided such materials do not have a LL greater than 50, 22 nor a PI of less than 7 or greater than 20. 23 CLASS II palancole a perdere prezzo