UNITED STATES DEPARTMENT OP AGRICULTURE 
BULLETIN No. 906 
Contribution from the Bureau of Public Roads 
THOMAS H. MACDONALD, Chief 
Washington, D. C. 
March 23, 1921 
THE USE OF CONCRETE PIPE IN 
IRRIGATION 
By 
F. W. STANLEY, Senior Irrigation Engineer, with Introductory 
Paragraphs by SAMUEL FORTIER, Chief of 
Irrigation Division 
CONTENTS 
Introduction 1 
The Use of Pipe in Irrigation . .4. . 2 
"Incasing Old Pipes of Metal and Wood 
with Concrete 4 
Concrete Pipe 4 
Reinforced Concrete Pipe 6 
Manufacture of Plain Concrete Pipe . . 8 
Quality of Concrete Pipe 9 
Cost of Unreinforced Pipe ...... 12 
Page 
Laying Concrete Pipe 13 
Causes of Failure in Concrete Pipe . . 15 
Pipe Systems for Irrigation 23 
Settling Basins and Screens 27 
Air Vents 29 
Relief Stands , . . . . 30 
Measuring Devices for Pipe Irrigation 
Systems 31 
Distributing Hydrants 44 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1921 
