Brick Technical Bulletin
BS 8301: 1985: Clause 5.73 (now replaced by BS EN 752) states that a 40N/mm2 concrete brick with a minimum cement of 350kg/m3 should be used in foul situations. Consequently this Standard is referred to under the Building Regulations. 6. EQ bricks can be used for inspection chambers, manholes and catch pits which are to be adopted by a Local ...
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