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<br />DIVERSION, UUTLJ!j".l", ~lJ oru..u.lnn..I. v.u..........................__
<br />
<br />CHAPTER VI-PENSTOCK AND OUTLET TUNNELS
<br />
<br />SECTION
<br />87 General description.... ....................... ............. . .,..........
<br />
<br />PAGE
<br />" 169
<br />
<br />DESIGN
<br />
<br />88 Construction adits.... . . . .. . . . .. . .. . . .. . .. , .. . . . . . , .. . . , . . . . .. . . . . , . . .. . . . . . .. '" 172
<br />89 Inclined tunnels................ .......,......,.........,............,............... 172
<br />90 Lower penstock tunnels. .. .. .. . . . . , .. . , . .. . .. . .. .. . .. , . .. . . . . . . . . .. .. . , . . . . . . . , . ... 173
<br />91, Ul'l"""hea<\w.,__....""."."""..,.."......".........." 174
<br />92 Upper penstock tunnels.............................................................. 175
<br />93 Outlet tunnel.. , , .. , .. , , , , .. , .. , .. , .. , .. , .. .. .. .. .. ' , .. ' , .. ' , .. ' .. ' " 176
<br />
<br />CONSTRUCTION
<br />94 Confitruction adits........................................... . .. . .. . . . .. . . . . . . 176
<br />95 Inclined tunnels.... . ... , . . _ . ...... . . . . ..... .. . .. . . . . ... . .... . . . . . . . . . . .... . . ..' .. 177
<br />96 Upper header tunnels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 178
<br />97 Penatock tunnels. .. ... .. . . . . .. . . . . ." .. . . . . . . . .. . . '-.. . . . . .. :. .. .. .. .. 182
<br />98 PlUlaa.gewaya to _penstock tunnels. . . .. . .. . . . . . . . . . . . . .. . . . . . .. . . . .' .. .. 184
<br />99 Outlet tunnels......................,.... _......... .' ............. .'.. 186
<br />100 Grouting and dra.inage......................................... .. .. " 186
<br />101 Construction costs..... _. .................. .. ...... ...... .... .. ...... 189
<br />
<br />CHAPTER VII-CANYON~WALL OUTLET WORKS
<br />
<br />102 General description................................................ " 191
<br />
<br />DESIGN OF VALVES.AND GATES
<br />
<br />103 Needle va.lves ..... . . . . . . . ... .. . . . . " .. . . . . . . .. . . " . . " . . . . " .. .. .. 194
<br />104 Emergency gates. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 197
<br />105 Operation and <.lontrol.. . . . . ... ... . . . . .. .. . . . . .. . . .. . . " .. .. . . . . . . . '0" 200
<br />
<br />DESIGN OF VALVE HOUSES
<br />
<br />106 Description.........................................,............... 201
<br />107 Architectural considerations... ... . '" .. , . . . . . . . . . . . . . . . . . . . . . . . . . .. .. 202
<br />108 Base sla.bs ._. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 204
<br />109 Rear walls.. . " . . . . . .".. .. .. . .. . . . .. . .. -.. .. . . .. .' . . . . . . . . .. . .. . . 205
<br />110 . Front and end walls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \ . . .. 206
<br />111 Roof.."".."".",....",..".."....""....""""",..""", 208
<br />
<br />AT.,CXILIARY EQUIPMENT
<br />
<br />112 Electric power supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 211
<br />113 Lighting..,..,.."..,..""""..""".,....,.."",....,..", 212
<br />114 Va.lve house cranes.................................................. 213
<br />115 Monorail hoists.................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 213
<br />116 Eleva.tors ...................................,...................... 213
<br />117 Telephone........................................,................. 214
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