Final Report: The Columbia River Interstate Bridge, Vancouver, Washington to Portland, Oregon, for Multnomah County, Oregon, Clarke County, Washington

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A. W. Hirsch Ptg. Company, 1918 - Columbia River Interstate Bridge - 61 pages
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Page 11 - Of all inventions, the alphabet and the printing-press alone excepted, those inventions which abridge distance have done most for the civilization of our species. Every improvement of the means of locomotion benefits mankind morally and intellectually as well as materially ; and not only facilitates the interchange of the various productions of nature and art, but tends to femove national and provincial antipathies, and to bind together all the branches of the great human family.
Page 11 - Therefore, when we build, let us think that we build forever. Let it not be for present delight, nor for present use alone; let it be such work as our descendants will thank us for, and let us think...
Page 11 - I answer, ideals are like stars; you will not succeed in touching them with your hands. But like the sea-faring man on the desert of waters, you choose them as your guides, and following them you will reach your destiny.
Page 11 - Let it not be for present delight, nor for present use alone; let it be such work as our descendants will thank us for, and let us think, as we lay stone on stone, that a time is to come when those stones will be held sacred because our hands have touched them, and that men will say as they look upon the labour and wrought substance of them, "See! this our fathers did for us.
Page 42 - ... embankment were built up by these means in steps 8 ft. wide and 4 ft. high. The first bulkheads were placed upon the natural ground surface by driving in the 6 by 8-in. posts with a hand maul and setting the lower plank into a small trench so that the bulkhead sheathing extended perhaps 8 to 12 in. below the ordinary ground surface. When the sand had been filled in about the top of such first bulkheads, posts for succeeding bulkheads were set in place and the lower plank placed so that it extended...
Page 11 - YOU MAY TELL ME THAT MY VIEWS ARE VISIONARY, THAT THE DESTINY OF THIS COUNTRY IS LESS EXALTED, THAT THE AMERICAN PEOPLE ARE LESS GREAT THAN I THINK THEY ARE OR OUGHT TO BE. I ANSWER, IDEALS ARE LIKE STARS.
Page 41 - The material was excavated from the Oregon Slough by means of a suction dredge with a cutting head and was transported to place by being pumped through a line of pipe 24 inches in diameter.
Page 42 - ... ground surface. When the sand had been filled in about the top of such first bulkheads, posts for succeeding bulkheads were set in place and the lower plank placed so that it extended about 12 in. below the top of the first bulkhead below. These posts were tied back into the embankment by 2 x 6-in. ties spiked on near the top of each post and extending back to a short post, in front of which were placed a few pieces of lagging to offer additional resistance. The pipe was laid to discharge into...
Page 43 - ... velocity decreased. At some convenient low point there was provided an outflow down the side of the embankment for which the steps of the embankment were paved with plank to prevent wash. The methods of constructing the bulkheads and of the discharge arrangement are shown by the accompanying illustration After sections of the finished embankments became thoroughly drained as the work proceeded, the posts of the bulkheads were cut away and the planks removed and carried forward for repeated use....
Page 42 - ... For periods of a few hours at .a time the dredge pumped as much as 1,000 cu. yd. per hr. There was of course a very considerable run-off- of sand from the embankment, as well as a certain amount of fine material which flowed away with the waste water, and it is estimated that about 250,000 cu. yd. more than the above net amount was transported. The discharge pipe line was extended to a length of about 5,500 ft. working from the dredge alone. For greater distances a booster pump was installed...

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