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A revetment protecting a road along a coastal frontage must additionally consider

  • A.the overtopping discharge tolerable for vehicles behind
  • B.the chemistry of the water lying in front of the works
  • C.the number of pedestrians using the beach below
  • D.the tidal range at the nearest standard port

Answer: A

Water and debris on a carriageway create a serious hazard at speed. The tolerable discharge for vehicles is far lower than that for open ground. Water on a carriageway is dangerous at speed. Tolerable limits differ greatly by use behind.

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