The Water-supply of the City of New York. 1658-1895J. Wiley & sons, 1896 - 316 páginas |
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Página ix
... Finished Shaft , " under pressure . " . 59. Shaft 26 , Overflow ..... " " 66 66 66 60. New Aqueduct in compact and loose rock .... 61. New Aqueduct in South Yonkers Cut 66 ( 6 ' ' PLATE 62. Special bricks for " horseshoe section " After ix.
... Finished Shaft , " under pressure . " . 59. Shaft 26 , Overflow ..... " " 66 66 66 60. New Aqueduct in compact and loose rock .... 61. New Aqueduct in South Yonkers Cut 66 ( 6 ' ' PLATE 62. Special bricks for " horseshoe section " After ix.
Página x
... pressure " ..... 64. Timber - sections for New Aqueduct . 65. Location of New Croton Gate - house 66. General Plan of New Croton Gate- house ... 67. Section of New Croton Gate - house . 68. Sections of New Croton Gate - house . 69 ...
... pressure " ..... 64. Timber - sections for New Aqueduct . 65. Location of New Croton Gate - house 66. General Plan of New Croton Gate- house ... 67. Section of New Croton Gate - house . 68. Sections of New Croton Gate - house . 69 ...
Página 29
... pressure when drawn down by any cause . In such a case this reservoir would draw on the nearer equalizing reservoir , and this , in its turn , on the further one , an increased flow being produced by the abnormal differences in head ...
... pressure when drawn down by any cause . In such a case this reservoir would draw on the nearer equalizing reservoir , and this , in its turn , on the further one , an increased flow being produced by the abnormal differences in head ...
Página 66
... pressure . ' Three gates - houses were constructed in connection with the reservoir , viz . : A junction gate - house on Ninth Avenue , where the branch conduit joins the aqueduct . summer of 1862 , but the water was This was done with ...
... pressure . ' Three gates - houses were constructed in connection with the reservoir , viz . : A junction gate - house on Ninth Avenue , where the branch conduit joins the aqueduct . summer of 1862 , but the water was This was done with ...
Página 70
... pressure of the outer slope of the reservoir dam . The waste - pipes are connected by brick culverts with the waste - drain of the gate- house , which is 4 feet in diameter and discharges into one of the ponds in Central Park near One ...
... pressure of the outer slope of the reservoir dam . The waste - pipes are connected by brick culverts with the waste - drain of the gate- house , which is 4 feet in diameter and discharges into one of the ponds in Central Park near One ...
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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.