Trenton Dam: Constructed 1949-1953 |
From inside the book
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Page
... protection : Riprap on gravel blanket on upstream face , seeded topsoil on downstream face Dimensions : Height : 144 feet above lowest ex- cavation in cutoff trench , 100 feet above riverbed Crest length : 8,600 feet Crest elevation ...
... protection : Riprap on gravel blanket on upstream face , seeded topsoil on downstream face Dimensions : Height : 144 feet above lowest ex- cavation in cutoff trench , 100 feet above riverbed Crest length : 8,600 feet Crest elevation ...
Page 15
... protecting the water supply wells and sew- age treatment plant against pollution or damage when this water surface is reached . A maximum allowable reservoir water surface elevation of 2785.0 was established by allow- ing 12 feet below ...
... protecting the water supply wells and sew- age treatment plant against pollution or damage when this water surface is reached . A maximum allowable reservoir water surface elevation of 2785.0 was established by allow- ing 12 feet below ...
Page 22
... protection . The slopes of the embankment were determined largely by the properties of the material , including ... protected with 3 feet of rock riprap placed on 18 - inch gravel or crushed rock bedding to an elevation 8 feet above the ...
... protection . The slopes of the embankment were determined largely by the properties of the material , including ... protected with 3 feet of rock riprap placed on 18 - inch gravel or crushed rock bedding to an elevation 8 feet above the ...
Page 23
... protection against erosion . A 12 - inch toe drain was constructed near the outer toe of the downstream section of the right abutment south of the canal outlet works . This drain provides an outlet for seepage water which otherwise ...
... protection against erosion . A 12 - inch toe drain was constructed near the outer toe of the downstream section of the right abutment south of the canal outlet works . This drain provides an outlet for seepage water which otherwise ...
Page 41
... protected with a metal trashrack ( sec . 26 ) . The vertical portion of the structure is connected by means of a vertical bend to a 5.5 - foot - diameter horizontal pressure conduit 208 feet long having an invert elevation of 2671.0 ...
... protected with a metal trashrack ( sec . 26 ) . The vertical portion of the structure is connected by means of a vertical bend to a 5.5 - foot - diameter horizontal pressure conduit 208 feet long having an invert elevation of 2671.0 ...
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Common terms and phrases
accessory cut-off trench acre-feet Approach channel Axis backfill Berm blanket Blockout BUREAU OF RECLAMATION canal outlet centerline channel capacity coarse concrete conduit construction Contraction joint Counterweight crushed rock cutoff trench dam embankment designed discharge drain outlet emergency gate chamber Expansion joint Figure Float flood control floor gate structure gravel ground surface Grouted high-pressure gate Highway bridge holes horizontal hydraulic hydrostatic head inlet installed intake structure Limits of special load located loess material maximum Metal Nebr NORTH BORROW AREA Pierre shale piezometer Pipe handrail PROJ Radial gate railroad reinforcement relocation Republican River reservoir water surface riprap River outlet Rolled embankment SCALE OF FEET second-feet SECTION A-A Settlement point Shale surface Sheet SILT silty slope special compaction spillway crest spillway gates spillway structure steel stilling basin Stoplog storage Sump Sump pump surface at elevation surfaces where directed Trashrack structure Trenton Dam upstream vertical walls water surface elevation