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<br /> <br />00 <br />.:') <br />C\,J <br />C'l <br /> <br />-I <br /> <br />l..:"" <br />;..,... <br /> <br />CONTENTS (Continued) <br /> <br />Diversion and care of river during <br />construction and unwatering <br />fOUlidations! <br /> <br />51. Diversion and care of river <br />during construction and <br />un~tering foundation <br /> <br />Earthwork & <br /> <br />520 Clearing <br />53. Classification of excavation <br />54. Blasting <br />55. Open-cut excavation, general <br />56. Excavation in open-cut for <br />outlet works <br />57. Excavation in tunnel and <br />gate chamber <br />58. Permanent tunnel supports <br />59. Temporary timbering in tunnel <br />and gate chamber <br />60. Draining. lighting, and <br />ventilating tunnel <br />61. Excavation for foundations <br />of dam and dike embankments <br />62. Excavation for spillway <br />63. Excavation for grout cap, <br />spillway crest wall. and <br />foundations for spillway <br />bridge ' <br />64. Borrow areas <br />65. Disposal of excavated mate~ <br />rials <br /> <br />Embankment & <br /> <br />66. Embankment construction, <br />general <br />67. Earth fill in dam 'and dike <br />embankments, zone 1 <br />68. Sand and gravel fill in <br />dam embankment, zone 2 <br />69. Rock and cobble-fill in dam <br />and dike embankments. zone 3 <br />70. Zone 4'material in dam em- <br />bankment <br />71.' Riprap on upstream slopes of <br />embankments <br /> <br />Drainage& <br /> <br />72. Drainage, general <br />73. Constructing sewer-pipe drains <br />, with uncemented joints <br />74. Laying sewer pipe with cemented <br />" joints <br />75. Drilling drainage holes <br /> <br />Pressure groutingl <br /> <br />76. Requirement for grouting <br />77. Drilling grout holes <br />78. Pipe for foundation grouting <br />79. Pipe and grout outlets for <br />grouting construction joints <br />80. Pressure grouting <br />81. Pressure grouting with packers <br /> <br />Concrete& <br /> <br />82. Composition <br />83. Cement <br />84. Admixtures <br />85. Water <br />86. Sand <br />87. Coarse aggregate <br />88. Handling and 'stock piling sand <br />and coarse aggregate, <br />89. Batching <br />90. Mixing <br />91. Temperature of concrete <br />. 92. Forms <br />93. Preparations for placing <br />94. Placing <br />95~ Repair' cf concrete <br />96. Finishes and finishing <br />97. Protection <br />98. Curing <br />99. Reinforcement bars <br />100. Measurement of concrete <br />101. Payment <br />102. Concrete construction, general <br />103. Concrete in grout cap, spill- <br />way crest, wall, and founda- <br />tion for spillway bridge. pier <br />104. Concr~te in outlet tunnel <br />