The Water-supply of the City of New York. 1658-1895J. Wiley & sons, 1896 - 316 páginas |
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Página v
... excavating the great aqueduct tunnel - the longest tunnel driven thus far - all kinds of material were met with : solid rock , decomposed rock , sand , gravel , and liquid mud . The ordinary methods of tunnelling adopted , and the ways ...
... excavating the great aqueduct tunnel - the longest tunnel driven thus far - all kinds of material were met with : solid rock , decomposed rock , sand , gravel , and liquid mud . The ordinary methods of tunnelling adopted , and the ways ...
Página viii
... Excavation , Weekly Progress on the New Croton Aqueduct .. Tunnel Excavation , Weekly Progress on the New Croton Aqueduct . Flowing Capacity of the New Croton Aqueduct ... Supply from the Croton River ..... Rainfall in the Croton Basin ...
... Excavation , Weekly Progress on the New Croton Aqueduct .. Tunnel Excavation , Weekly Progress on the New Croton Aqueduct . Flowing Capacity of the New Croton Aqueduct ... Supply from the Croton River ..... Rainfall in the Croton Basin ...
Página 14
... excavated through solid rock . The elevation of the bottom of the well was 62 feet below high tide . Within 12 feet of the bottom of the well a gallery , six feet high , four feet wide , and seventy - five feet long , was driven on the ...
... excavated through solid rock . The elevation of the bottom of the well was 62 feet below high tide . Within 12 feet of the bottom of the well a gallery , six feet high , four feet wide , and seventy - five feet long , was driven on the ...
Página 29
... excavation 55 feet deep , a tunnel might be advantageously substituted . After reaching the valley of the Sawmill River the line followed this stream until it turned west near Yonkers . The aqueduct location was continued south along ...
... excavation 55 feet deep , a tunnel might be advantageously substituted . After reaching the valley of the Sawmill River the line followed this stream until it turned west near Yonkers . The aqueduct location was continued south along ...
Página 41
... excavation being thus made in open trench . The work in connection with this coffer - dam was considered by Mr. Jervis to be very hazardous . The cost of the high bridge and of the tunnel was estimated by Mr. Jervis as follows : Cost of ...
... excavation being thus made in open trench . The work in connection with this coffer - dam was considered by Mr. Jervis to be very hazardous . The cost of the high bridge and of the tunnel was estimated by Mr. Jervis as follows : Cost of ...
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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.