Trademark Notice: Product or corporate names may be trademarks or registered trademarks, and are used only for identification and explanation, without intent to infringe. Government works International Standard Book Number 0-8493-2097-6 Library of Congress Card Number 2004057108 Printed in the United States of America 1 2 3 4 5 6 7 8 9 0 Printed on acid-free paperĭedication Dedicated to my beloved wife, Roshi, and my children, Maria, Adam, and Harris Visit the CRC Press Web site at © 2005 by CRC Press No claim to original U.S. Preface To fully appreciate the benefits of GIS applications consider the following hypothetical scenario. On March 10, 2004, following a heavy storm event, a sewer customer calls the Sewer Authority of the City of Cleanwater to report minor basement flooding without any property damage. An Authority operator immediately starts the GIS and enters the customer address. GIS zooms to the resident property and shows all the sewers and manholes in the area. ![]() The operator queries the inspection data for a sewer segment adjacent to the customer property and finds that a mini movie of the closed-circuit television (CCTV) inspection dated July 10, 1998, is available. ![]() ![]() The operator plays the movie and sees light root growth in the segment. ![]() A query of the maintenance history for that segment indicates that it has not been cleaned since April 5, 1997. This information indicates that the roots were never cleaned and have probably grown to “heavy” status. #Pcswmm subcatchment attributes upgrade#.
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