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new york n y board of water supply compiler

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Moodna supplementary tunnel. .. Contract 160. April 28, 1915.
Ardsley cut-and-cover.  Finished embankment over aqueduct. Contract 53. November 27, 1913.
Ashokan Reservoir.  Work in progress on cut-off trench under the masonry portion of Olive Bridge dam. Contract 3. September 11, 1908.
Hudson blow-off. ... Contract 90. August 31, 1914.
Kensico reservoir. Placing granite facing on the down-stream face of the dam. Bands of rusticated stone at the expansion-joints in dam. Contract 9. August 12, 1915.
Rondout pressure tunnel. Completed excavation with temporary roof timbering in place. Finished concrete lining in background. Contract 12. April 21, 1911.
Ashokan Reservoir.  View showing construction work on piers in bed of Esopus creec. These piers supported two 8-foot steel pipes. May 30, 1907.
Wallkill pressure tunnel. Side-wall and arch forms in place ready for concrete, with inclined track to platform on level with top of side-wall. Contract 47. April 11, 1911.
Camps. Chemical dosing plant for treating the tunnel drainage and spoil-bank run-off from the South portal of Hunters Brook tunnel. Contract 23. May 13, 1910.
Eastview tunnel. Interior view, showing concrete of arch and side-wall in place. .... Contract 52. August 8, 1912.
Camps. Catskill aqueduct. ... Contract 25.  July 26, 1909.
Bridges. Ashokan reservoir. ... Contract 49. April 28, 1914.
Ashokan Lower gate-chamber, with electrically-driven valves, vertical genartor operated by water turbine and overhead traveling crane. Contracts 31, 42, 43 and 56. August 31, 1917.
Rondout pressure tunnel.  Compressors at power-house. Contract 12. November 22, 1909.
Camps. Catskill aqueduct. .. Contract 11. June 21, 1910.
Camps. Yonkers pressure tunnel. ... Contract 54. October 28, 1910.
Kensico reservoir. View showning excavation of old Kensico dam in progress. Contract 9. October 13, 1911.
Ashokan Reservoir. Excavation completed and concrete floor in place for masonry conduit to divert the flow of the Beaver Kill. Contract 3. August 4, 1908
Hudson pressure tunnel. General view at top of Drainage shaft. ... Contract 90. October 27, 1913.
Rondout pressure tunnel. View showing completed excavation and roof timbering in place. Contract 12. July 20, 1909.
Hill View reservoir.  Downtake chamber showing sluice-gates in place for controlling flow of water to Downtake shaft in center. ... Contract 30. August 8, 1913.
Rondout pressure tunnel. View of concrete ring in place at top of shaft. .... Contract 12. April 21, 1911.
Wallkill pressure tunnel. View showing "trailing" method of placing concrete in  side -walls and arch in one operation. Note high roof excavation.  Contract 47. April 12, 1911.
Kensico reservoir. View from Upper West pavilion showing completed East pavilion, Terrace wall and  paving, Lower pavilions, main pool and driveways.Contract 9.  January 4, 1917.
Ashokan Reservoir. Placing paving on up-stream side of East dike. Contract 3. October 3, 1912.
Hill View reservoir. ... Contract  30. December 21, 1910.
Rondout pressure tunnel. ... Contract 12. September 11, 1916.
Camps. Croton Lake pressure tunnel. ... Contract 24. May 6, 1910.
Peekskill cut-and-cover. ...  Contract 2. June 9, 1910.
Wallkill pressure tunnel. View showing chamber over Shaft 1 with completed grading. Contract 47. June 19, 1912.
Wallkill pressure tunnel. View showing full-section steel forms in place. The concrete is placed in one operation. Contract 47. June 8, 1911.
Borings. Testing porosity of rock on site of Rondout pressure tunnel. June 7, 1907.
Ashokan Reservoir.  Placing first concrete block on down-stream face of Olive Bridge dam. Note grouting machine at work in middle ground. Contract 3. October 18, 1908.
Ashokan Reservoir.  Up-stream face of masonry portion of Olive Bridge dam. Note temporary opening for flow of  Esopus creek. Contract 3. November 19, 1909.
Kensico Influent Weir. View of Influent weir and chamber. To divert water from reservoir the gates in the chamber are opened and water flows into Kensico by-pass. Contract 55, September 20, 1917.
Borings. Dimond drill mounted on platform at Hudson Pressure Tunnel crossing of the Hudson river. June 26, 1908.
Wallkill blow-off. ... Contract  61. July 22, 1914.
Highways. Ashokan reservoir. ... Contract  151. June 10, 1914.
Catskill aqueduct. ... Contract 94. April 28, 1915.
Superstructures. View of Drainage chamber of Wallkill pressure tunnel. ... Contract 117. July 6, 1916.
Stone boubdary walls. ... Contract 11. October 20, 1909.
Silver Lake reservoir and Richmond conduit. ...  Contract 89. December 9, 1913.
Yonkers pressure tunnel.  Contract 54. September 25, 1914.
Hudson pressure tunnel. Corrugated pipe columns in position at top of Drainage shaft. The three columns not corrugated indicate location of blow-off nozzle. Contract 90. October 20, 1913.
Wallkill blow-off. ... Contracts 61 and 107. August 21, 1917.
Organization. City tunnel. Mayor John Purroy Mitchel switching on current to celebrate the excavation of the last heading of the City tunnel. Contract 65. Junuary 12, 1914.
Pleasantville Venturi meter. ... Contract 55. August 22, 1911.
Aerators. General view showing Ashokan aerator, Gaging chamber, Screen chamber and Lower gate-chamber. Contract 10. May 25, 1916.
Ashokan reservoir. Dividing weir with foundation piers for Ashokan bridge. West basin and Winchell hill at right and Discharge channel to East basin at left. Contract 3. October 26, 1914.
Ashokan Reservoir.  View at site of Olive Bridge dam, showing coffer-dam and piers under construction for supporting the 8-foot pipes to carry the flow of water in Esopus creek. May 18, 1907.
Bonticou tunnel. Erecting steel area arch forms for concreting. .. Contract  47. April 12, 1911.
Hudson pressure tunnel. View looking east across Hudson river towards Breakneck mountain with plant at East test-shaft at base of mountain. Contract 90. May 28, 1909.
Superstructures. Wallkill Gaging chamber, located south of Wallkill pressure tunnel, in Ulster county, N. Y.  Contract 117. July 6, 1916.
Yorktown South cut-and-cover.  Aqueduct completed. ...  Contract 23. August 21, 1916.
Highways. Ashokan reservoir. ... Contract 152. September 25, 1915.
Bridges. Ashokan reservoir. ... Contract 111. June  9, 1914.
Police. Kensico, N.Y. Patrolmen-on-Aqueduct.  Troop of mounted policemen in 'columns of fours'. September 15, 1914.
Ashokan Reservoir. View of Glenford dike showing relocated Ulster and  Delaware railroad and water in East basin of reservoir. Contract 60. June 25, 1916.
Ashokan Reservoir. View showing concrete core-wall of West dike with wooden forms in place. Placing and rolling embankment at right. Contract 3. June 21, 1910.
Bridges. Kensico reservoir. ... Contract 9. November 22, 1910.
Camps. Ashokan reservoir. ... Contract 3.  July 27, 1908.
Wallkill  pressure tunnel. End view of section of concrete lining with invert laid in foreground. Erection forms in progress  in background. Contract 47. April 11, 1911.
Hudson pressure tunnel. Fourteen-foot cast-steel dome for Drainage shaft showing method of stressing anchor-bolts. Contract  90. February 19, 1914.
Hudson pressure tunnel. Intrerior of temporary superstructure over Drainage shaft showing gas-engine hoist and switchboard on right, ... Contract 90. August 31, 1914.
Wallkill pressure tunnel. Transition section from cut-and-cover aqueduct to Downtake shaft. .. Contract 47. June 19, 1912.
Camps. Ashokan reservoir. ... Contract 3. October 30, 1908.
Peekskill cut-and-cover.  Method of hadnling concrete. Contract 2. October 16, 1908.
Superstructures. Breakneck Gaging chamber, located south of Breakneck grade tunnel, in Putnam county, N.Y. Contracat 109. August 29, 1916.
Bonticou grade tunnel.  South portal completed. Note stone boundary walls. Contract 47. August 23, 1917.
Ashokan Reservoir. View of Waste weir and concrete-paved Spillway. Waste water is carried through channel to Esopus creek, two miles below Olive Bridge dam. Contract 3. June 18, 1912.
Bonticou tunnel. Competed trimming of tunnel shown in foreground. ... Contract 47. June 9, 1911.
Bridges. Ashokan reservoir. ... Contract 49. October 2, 1912.
Organization. Ashokan reservoir. Group of visitors on top of Olive Bridge dam at celebration of the storag of water in Ashokan reservoir. Contract 3. October 11, 1913.
Ashokan Reservoir. Down-stream face of Olive Bridge dam with concreting plant for placing plug in stream-control conduit. Contract 3. November 18, 1913.
Rondout pressure tunnel. View of head-frame and cage with muck car at Shaft 1. Contract 12. July 20, 1909.
Kensico Influent Weir. Completed Influent weir and partially completed Influent chamber. Water flowing over weir into Knsico reservoir. Contract 55. December 6, 1915.
Mekeel tunnel. View showing steel forms in place for concrete lining. Contract 2. June 27, 1911.
Silver Lake reservoir. Panorama view of Silver Lake before construction operations began. Contract 89. November 5, 1913.
Camps. Rondout pressure tunnel. ... Contract 12. July 21, 1910.
Camps. Ashokan reservoir. ... Contract 3. October 22, 1908.
Millwood North cut-and-cover. ... Contract 25. June 7, 1910.
City tunnel. View of drainage drift showing section of steel interlining riveted to diaphragm. ...  Contract 65. June 24, 1914.
Rondout pressure tunnel.  Columns set up with drills ready to operate in Shawangunk grit. Contract 12.  March 9, 1910.
Highways. Ashokan reservoir. ... Contract  151. August 5, 1914.
Kensico reservoir. General view of excavation and foundation for Kensico dam. Cut-off trench being excavated at right. Contract 9. December 31, 1912.
Hudson pressure tunnel. View showing Drainage shaft with corrugated pipe columns, steel bolts and curb in position.  ... Contract 90. October 27, 1913.
Wallkill pressure tunnel. Work of screeding concrete of invert in progress. Contrct 47, June 7, 1911.
Silver Lake reservoir.  View showing Middle Dike roadway, parapets and gate-chambers. South basin in foreground. Contract 89 and 144. October 2, 1917.
Organization. View of keeper's house at the Kensico reservoir. Contract 135. May 28, 1914.
Wallkill pressure tunnel. View showing details of steel forms for concrete lining of pressure tunnels. Contract 47. October 5, 1910.
Ashokan Reservoir. Dumping earth from cableway for embankment of the West dike. Core-wall with concrete forms in background. Contract 3. October 11, 1910.
Camps. Catskill aqueduct. ... Contract 25. July 26, 1909.
Rondout pressure tunnel.  Head-frame, hoisting engine and bucket at top of Shaft 3. Contract 12. August 18, 1908.
Hill View Reservoir. Spreading and rolling earth to form special impervious enbankments. Contract 30. July 1, 1910.
Grassy Sprain Cut-and-cover. Preliminary clearing before excavation. Contract 53. June 3, 1910.
Superstructures. View of Lower gate-chamber superstructure of concrete-stone, at Ashokan reservoir. Note reinforced-concrete roof tiles. Beaver Kill dikes in background. Contracts 124 and 145. August 31, 1917.
Yonkers pressure tunnel. Steel ribs for concrete forms, made up of 5-inch I-beams spaced 3 feet apart. Lagging plates placed as concrete is built up from the invert. Contract 54. May 1, 1912.
Ashokan Reservoir. View of up-stream face of Olive Bridge dam showing forms for concreting stream-flow opening in place. Note 6-foot opening at bottom for carrying flow of Esopus creek. Contract 3. August 25, 1913.
Yonkers pressure tunnel.  Structural-steel interlining before the concrete lining was placed. ...Contract 54. October 9, 1912.
Sarles tunnel. Completed trimming of tunnel shown in foreground. .. Contract 55. July 3, 1913.
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