The Water-supply of the City of New York. 1658-1895J. Wiley & sons, 1896 - 316 páginas |
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Página 22
... slope of the lands in the vicinity of that stream to Tarrytown , about eleven miles from the point of commencement . In this distance it would be necessary to cross the valley of Sleepy Hollow and several.considerable ravines , and ...
... slope of the lands in the vicinity of that stream to Tarrytown , about eleven miles from the point of commencement . In this distance it would be necessary to cross the valley of Sleepy Hollow and several.considerable ravines , and ...
Página 26
... slopes of the Hudson . For the inland route the water of the branches and tributaries of the Croton River was to be collected by means of iron feed - pipes in a small confluent reservoir , located in a natural basin of solid rock near ...
... slopes of the Hudson . For the inland route the water of the branches and tributaries of the Croton River was to be collected by means of iron feed - pipes in a small confluent reservoir , located in a natural basin of solid rock near ...
Página 33
... slopes of solid rock against which the dam would abut . The advantages of this site were already reported in 1832 by Col. DeWitt Clinton . According to the plans of Major Douglass the dam at Garretson's Mill was to be 33 feet high above ...
... slopes of solid rock against which the dam would abut . The advantages of this site were already reported in 1832 by Col. DeWitt Clinton . According to the plans of Major Douglass the dam at Garretson's Mill was to be 33 feet high above ...
Página 40
... slope of the abrupt bank to the effluent chamber . This wall was to be formed of dry masonry except the upper two feet and the faces of the wall to a depth of two feet , which were to be laid in cement . The rock fill mentioned above ...
... slope of the abrupt bank to the effluent chamber . This wall was to be formed of dry masonry except the upper two feet and the faces of the wall to a depth of two feet , which were to be laid in cement . The rock fill mentioned above ...
Página 49
... slope of about forty - five degrees . Major Douglass located the dam originally four hundred feet further up stream , but his successor , Chief Engineer Jervis , in making the final examinations , changed the location to the site we ...
... slope of about forty - five degrees . Major Douglass located the dam originally four hundred feet further up stream , but his successor , Chief Engineer Jervis , in making the final examinations , changed the location to the site we ...
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Términos y frases comunes
according additional amount Aqueduct Commissioners arch Avenue bank bottom brick Bridge building built carried cast-iron castings cement Central chamber charge Chief Engineer Commissioners Common completed conduit connected consists constructed contract Contractor cost covered Croton Aqueduct Department depth described diameter directed discharge Division drills earth elevation embankments Engineer estimated excavation expense face feet flow formed four furnished gallons gate gate-house given grade ground Harlem River heading height Hundred inches Ingersoll iron Island joints laid Lake length located mains Manhattan manner masonry materials means measured miles necessary obtained Park passed pipes placed plans Plate pond pressure proposed Public pump Quaker quantity receiving removed reservoir River rock Shaft shown side slope stone stream Street supply surface thick timber tunnel Valley wall whole wide York
Pasajes populares
Página 110 - An act to provide new reservoirs, dams and a new aqueduct with the appurtenances thereto, for the purpose of supplying the city of New York with an increased supply of pure and wholesome water...
Página 239 - ... attached hereto, are approximate and only for the purpose of comparing, on a uniform basis, the bids offered for the work under this contract ; and...
Página 241 - ... any improper materials used in its construction, or by or on account of any act or omission of the said Contractor or his agents...
Página 241 - ... specified, or if at any time the Engineer shall be of opinion, and shall so certify in writing to the said...
Página 247 - The plans and specifications are intended to be explanatory of each other, but should any discrepancy appear, or any misunderstanding arise as to the import of anything contained in either, the explanation of the Engineer shall be final and binding on the Contractor...
Página 4 - Meanwhile, the aldermen and assistants were requested, "to set on foot in their respective wards representations to this Board in writing and subscribed by the citizens in order more fully to ascertain their sense whether the corporation ought to grant to individuals the privilege of supplying the city with water or whether the same ought to be undertaken by the corporation and that the moneys necessary for the purpose should be raised by a tax on the citizens.
Página 241 - ... injury to the person or property of another, resulting from negligence or carelessness in the performance of the work, or in guarding the same...
Página 242 - And it is hereby expressly agreed and understood by and between the parties hereto, that the said parties of the first part, their successors and assigns, shall not, nor shall any department or officer of the City of New York, be precluded or estopped by any return or certificate made or given by any engineer...
Página 242 - That in order to enable the said contractor to prosecute the work advantageously the engineer shall, once a month, make an estimate in writing of the amount of work done and materials delivered to be used in the work and...
Página 239 - ... shall in all cases decide every question which may arise relative to the execution of this contract on the part of the contractor, and his estimate and decision shall be final and conclusive upon snld contractor; and such estimate and decision.