Platoro Dam: Constructed 1949-19511954 - Dams - 71 pages |
From inside the book
Page 10
... noted that the topography of the foundation area was such that it would contain and direct seepage into natural outlets and that artificial drains would require considerable rock excavation . Consequently , the antic- ipated costs of ...
... noted that the topography of the foundation area was such that it would contain and direct seepage into natural outlets and that artificial drains would require considerable rock excavation . Consequently , the antic- ipated costs of ...
Page 15
... noted that the valve house access road crosses the spillway discharge channel and may require maintenance and repair following the infrequent use of the spillway . ( e ) Just prior to issuance of the specifications it was decided to ...
... noted that the valve house access road crosses the spillway discharge channel and may require maintenance and repair following the infrequent use of the spillway . ( e ) Just prior to issuance of the specifications it was decided to ...
Page 22
... noted . In order to provide adequate rigidity for fabrication and handling , and resistance to vibration and corrosion during operation , the pipe shell was made 5 / 16- inch thick though a smaller thickness would have sufficed for ...
... noted . In order to provide adequate rigidity for fabrication and handling , and resistance to vibration and corrosion during operation , the pipe shell was made 5 / 16- inch thick though a smaller thickness would have sufficed for ...
Page 23
... noted , the valve chamber near the axis of Platoro Dam houses a 4- by 5 - foot high - pressure gate ( fig . 10 ) . This gate is used only for emergency closure or to permit unwatering and necessary inspection and maintenance of the ...
... noted , the valve chamber near the axis of Platoro Dam houses a 4- by 5 - foot high - pressure gate ( fig . 10 ) . This gate is used only for emergency closure or to permit unwatering and necessary inspection and maintenance of the ...
Page 25
... noted , the downstream end of the 56- inch outlet pipe is divided into two 48 - inch - diameter branches , with a 48 - inch butterfly valve controlling the flow in each branch . ( a ) Design Requirements . --In selecting the valves it ...
... noted , the downstream end of the 56- inch outlet pipe is divided into two 48 - inch - diameter branches , with a 48 - inch butterfly valve controlling the flow in each branch . ( a ) Design Requirements . --In selecting the valves it ...
Common terms and phrases
5-Foot High-Pressure acre-feet andesite Bolt bulldozed butterfly valves channel cofferdam completed conduit Conejos River contract cost cubic feet cubic yards cutoff trench dam and dike dam embankment dam foundation Denver dike section discharge drain emergency gate end-dump trucks engineer equipment excavation fault feet per second Figure fill zone flange flow fractured gate chamber Government camp grout cap Grout holes haul high-pressure gate impervious material inches inlet installation joints July Aug Sept June 21 laboratory leaf-Class left abutment load located main dam maximum Metal metalwork mixer moisture Order for changes outlet pipe outlet tunnel PARTIAL RUNOFF percent placed placement plates Platoro Dam pumpcrete machine reservoir right abutment Rio Grande Compact RIO GRANDE COUNTY riprap ROCK BORROW AREA rockfill SAN LUIS VALLEY separation plant SLIDE ROCK BORROW specifications spillway bridge steel pipe support rings talus tests trashrack structure unit valve house zone 1 material
Popular passages
Page 18 - ... PARTS 151. Character of Structure.— The structure is to be of the skeleton, curtain-beam type, resting on I-beam footings or grillages. The building is to be (18) stories high, with a basement story and a (flat) (mansard) (pointed) (hipped) roof. 152. Floor Loading.— The floors are to be calculated for a live load of (100) pounds per square foot, and a dead load of (50) pounds per square foot. The roof is to be calculated for a live load of (50) pounds per square foot, and a dead load of...
Page 22 - Specifications for Low and Intermediate Tensile Strength Carbon-Steel Plates of Flange and Firebox Qualities (Plates 2 in. and Under in Thickness) (ASTM Designation: A 285),' or Tentative Specifications for Low and Intermediate Tensile Strength Carbon-Steel Plates of Structural Quality (Plates 2 in.
Page 22 - Standard Specifications for FORGED- OR ROLLED-STEEL PIPE FLANGES, FORGED FITTINGS, AND VALVES AND PARTS FOR HIGH-TEMPERATURE SERVICE...