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Subject: Crossover and Framing for UG pits build.struct. Приветствую, вот это Crossover and Framing for UG pits как понять?
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link 16.11.2013 8:59 |
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Контекст. Про это примерно: If there is a stormwater drainage junction pit behind the kerb (not catching water from the road) a medium duty cast iron manhole cover and frame or an approved equivalent must be fitted to match the new crossing levels. Otherwise 1m offset with barrier kerb and channel type crossover ? |
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open pit (OP) underground pit (UG). |
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