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SEWER CONSTRUCTION

BY

HENRY N. OGDEN, C.E.

ASSOC, MEM. AM. SOC. C.E.

PROFESSOR OF SANITARY ENGINEERING, CORNELL UNIVERSITY
SPECIAL ASST. ENGINEER, N. Y. STATE DEPT.

OF HEALTH

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PREFACE

THE following pages comprise, in a somewhat amplified form, à course of lectures given in the College of Civil Engineering, Cornell University.

The course is an elective one, intended for students whose purpose to enter the field of Sanitary Engineering calls for more special and detailed work than is required of all civil engineering students.

The illustrations of the classroom, made possible by a series of lantern slides, a portion of which only have been reproduced, are accompanied by abundant explanation brought out by questions and answers a feature not possible to repeat in this present volume. It is hoped, however, that sufficient detail has been given to make clear the examples of current practice which are offered.

The course represents the second part of a year's work, of which the book on “Sewer Design,” already published, is the first part, and it is assumed that the reader is familiar with that volume. Wherever serious omissions from the present text have been made on that account, references have been given so that duplication may be avoided.

It is believed that due acknowledgment has been made to the various books and periodicals and to the reports of the prominent engineers and city officials from which this monograph has been prepared, and it is hoped that the collection and unification of this scattered material may not only aid the students entering upon the investigation of sewer construction, but may also be of some service to practicing engineers who may have occasion to take up the matter of sewer work for the first time.

A small number of the illustrations have no references cited, due to the fact that they were filed among the author's notes at

201340

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