Benefits Accruing from the Hetch Hetchy Project, San Francisco Water Supply PDF Download

Author: Nelson Andrew Eckart
Publisher: Forgotten Books
ISBN: 9780428017798
Category : Technology & Engineering
Languages : en
Pages : 26

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Excerpt from Benefits Accruing From the Hetch Hetchy Project, San Francisco Water Supply It has been pointed out that'the Hetch Hetchy water is of excellent quality bacterially, physically and chemically, at its. In its 142-mile trip to Crystal Springs Reservoir, it is subject to changes in character due to various factors, chief of which are: entry of water from Moccasin Creek into Moccasin Reservoir, entry of tunnel-al. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Author: Nelson Andrew Eckart
Publisher:
ISBN:
Category : Hetch Hetchy Valley (Calif.)
Languages : en
Pages : 32

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Author: NELSON ANDREW. ECKART
Publisher:
ISBN: 9781033535301
Category :
Languages : en
Pages : 0

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Author: Ted Wurm
Publisher: Howell-North Books, Incorporated
ISBN:
Category : Nature
Languages : en
Pages : 308

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Author:
Publisher:
ISBN:
Category : Public health
Languages : en
Pages : 536

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Author:
Publisher:
ISBN:
Category : Hetch Hetchy Reservoir (Calif.)
Languages : en
Pages : 172

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"The Bay Crossing Reach features some of the most complex and critical engineering components in the entire Hetch Hetchy Aqueduct system. In general, the Aqueduct is significant at the state level as it illustrates a pivotal shift in potable water collection and distribution in the San Francisco Bay region from reliance on local private water companies to a reliable, but distant, municipal water supply. In addition, the system utilized multiple innovative engineering structures to efficiently deliver water to the metropolitan region aprimarily by gravity flow. The scale of the water system had few peeers at the national level during the same period as only the Metropolitan System in Boston and the Catskill supply system in New York were larger. The Bay Crossing Reach utilized a unique combination of a pipleine bridge, wooden trestles, submarine pipe, valve houses, and a large concrete caisson to transmit water under and over San Francisco Bay, all concrete caisson to transmit water under and over San Francisco Bay, all while retaining sufficient hydrostatic pressure of the water line generated by gravity alone. By utilizing a complex array of structures to eliminate the need for a costly pumping station, the Bay Crossing Reach engineers, such as John Ripley Freeman and Michael M. O'Shaughnessy, conveyed their mastery in the planning and design of an efficient muicipal water delivery system. Consequently these individuals were also recognized nationally for their accomplishments"--Pages 1-2.

Author:
Publisher:
ISBN:
Category : Water-supply engineering
Languages : en
Pages : 1820

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Vols. for 2012- contain only executive summaries of articles.

Author: Florence Riley Monroy
Publisher:
ISBN:
Category : Hetch Hetchy Valley (Calif.)
Languages : en
Pages : 488

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Author: Water Resources Center Archives (Calif.)
Publisher:
ISBN:
Category : Water-supply
Languages : en
Pages : 774

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Author:
Publisher:
ISBN:
Category : Water-supply engineering
Languages : en
Pages : 834

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