Specifications for supply of recycled material for . - NSW EPAApr 1, 2010 . industry wide specification for the use of recycled materials in a ... there is a need to conserve natural aggregates and to use recycled concrete, bricks, . Backfilling material for stormwater pipes, sewer pipes or sub-surface drainage lines . in wetter conditions, resulting in less down time in wet weather.recycled concrete used as aggregate for storm and sewer pipe,recycled concrete used as aggregate for storm and sewer pipe,storm drain design and construction standards . - City of Petalumaapply when asbestos cement pipe is used in a storm drain culvert. 3102.4D .. of the contractor, such gravel or crushed rock shall be furnished at the contractor's.Public Works Standard Construction Specifications . - City of Salem402 Pipe and Fittings (Sanitary Sewer and Storm Drain) . .. Use 1-inch-minus crushed aggregate or Portland Cement concrete as shown on the appropriate.
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