|
<br />~.
<br />.t:"
<br />It')
<br />~
<br />e-.l
<br />
<br />c
<br />
<br />CONTENTS
<br />
<br />SECTION
<br />
<br />PAGE
<br />
<br />Introductroy statement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
<br />Engineering organization during construction. . . . . . . . . . . . . . . vi
<br />Foreword .....,.................................................... vii
<br />Contents ........................................................... 1
<br />Listoffl.gures.. ............. ................................ 7
<br />List of.tables..................,.,.................................. 11
<br />
<br />CHAPTER I-INTRODUCTION
<br />
<br />1 Scope of bulletin... '" . .. . . . . . . . ..... . .. . .. . . .. . . . . . . . , .. . . . . .. . . ... 13
<br />2 Diversion system. . . . ',' . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . , . . . . . . . . . . 13
<br />3 Spillways .....,..,..,.."",..,.."""..,",""',....,",......,' 13
<br />4 Penstock and outlet system.................................., .. ....., 14
<br />5 Intake towers.. . . . . . . . , . . . . . . . . . . . . . , . . . , . . . . . . . . . . . . , . . . . . . . . " . . . . . 16
<br />6 Surveys........................................................... . 16
<br />7 Geology,..",.."""""",....,........"........,''',..,......,, 18
<br />8 Cost summaries............. ................. ... ......... ........... 20
<br />9 Personnel .......................................................... 23
<br />10 Bibliography ....................................................... 24
<br />
<br />CHAPTER II-DIVERSION TUNNELS
<br />
<br />11 Preliminary statements.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
<br />
<br />GENERAL INFORMATION
<br />
<br />12~~.......................................,.,........." 26
<br />13 Stream-flow data. . . . . . . . . . . . . . . . . . . . . . . . . .". . . . . . . . . . . . . . . . . . . . . . . . . . 27
<br />14 Tunnel- capacity. ". . . . . . . . . . . " . . . . . . . . . . . . . . . . . . . . . . , . . . . _' . . . . . . . . . . . . 27
<br />15 Pla.n of procedure... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . .. 29
<br />16 Drill ca.rriage......" . . . . ... ... .. . . ., .. . . . . . .. .. , . . . .. .. , . .' .. .. .. 30
<br />
<br />EXCAVATION
<br />
<br />11 Construction adits. . . . . . . . . . . . . . . . . . . . , . . , . . . . . . , . . . . . . , . . . . . . . . . . . .. 32
<br />18 Top hea.dings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
<br />19 Drilling main hea.dings............................................... 34
<br />20 Bla.sting ........................................................... 37
<br />21 Removing broken rock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
<br />22 Disposal of material................... ........ ........ ........ ,..... 39
<br />23 Scaling tunnel walls........................ .'.,....................... 40
<br />24 Excavating invert sections... . . . . . . . .. . . . . ... . ,. . . . . .. " .. .. . . . . . . . . ,. 41
<br />25 Compressed-air requirements......................................... 42
<br />26 Ventilation......................................................... 44
<br />27 Rates of progress... ... .' . . " " . . . . .. . . . . . . . . . . .. . . .. ..' . . . .. . . .. . ... ,. 45
<br />
|