Dravo Corp. v. Municipality of Metropolitan Seattle

In response to an advertisement for bids, published by the Municipality of Metropolitan Seattle, called Metro herein, Dravo Corporation submitted the low bid for the construction of the Enatai interceptor, a sewer pipeline near the East Channel Bridge on the edge of Lake Washington in the city of Bellevue. According to the con tract documents, the sewer was to be laid on hardpan where such hardpan existed at the elevation of the sewer. At other points, where the hardpan lay below the elevation of the sewer, which was designed to allow for gravity flow, the pipe was to be supported on piles…