The Separate System of Sewerage: Its Theory and ConstructionD. Van Nostrand Company, 1891 - 281 Seiten |
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... . Bank .. 7.60 Average of 9 Rochester 69 .F . Sewers ( Dr. Lattimore ) 3.78 7.70 70 . D 8.25 Chlorine as Chlorides grains per Imperial gallon . No. Sample . Date . Color . Hardness . Temperary 24 THE SEPARATE SYSTEM OF SEWERAGE .
... Average 78 wells 6.56 84 .... Myrtle . The following table shows table shows the results of the analysis of the water supplied to Schenectady , Troy and Albany . The Nitrites were reduced to nitrates and both appear under that heading ...
... Average mortality per 1,000 before the construction of sanitary works . Average mortality per 1,000 since completion of the works . Saving of life , per cent . Reduction of typhoid fever , rate per cent . 33.2 22.6 32 17 23.7 18.6 22 64 ...
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... average citizen is that of reduced cost . This is the argument which reaches the heart - or , what is quite as necessary , the pocket - of the tax- payer . One of the grave objections to the Combined System is its cost . The actual cost ...
... average citizen is that of reduced cost . This is the argument which reaches the heart - or , what is quite as necessary , the pocket - of the tax- payer . One of the grave objections to the Combined System is its cost . The actual cost ...
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Häufige Begriffe und Wortgruppen
acre per day ammonias amount applied assessing average back-filling bacteria branches brick sewers cement mortar cent City clean Combined System connected construction consumption contractor cost cubic curve depth of flow diem per capita discharge drainage effluent Engineer excavation and back filled filtration fixtures flush-tanks flushing foot for excavation foot for furnishing furnishing and laying gallons grade house drains house sewer inches inches in diameter increased iron pipe joints laid lamp-holes less lineal foot man-holes material maximum method necessary nitrates nitric acid nitrification nitrogen obstructions organic matter outlet oxidation placed plumbing plumbing fixtures population Price per lineal proper quantity removed roof water sand sanitary Schenectady Separate System sewage sewer gas sewer pipe sewerage soil pipe storm water stream street sewer subsoil Superintendent surface syphon system of sewers TABLE tank tion trap trench typhoid fever velocity ventilating pipes water closets water-closet ΙΟ
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Seite 217 - ... then the above obligation to be void ; otherwise to remain in full force and virtue.
Seite vii - PREFACE TO THE SECOND EDITION The first edition of this book was...
Seite 151 - ... for or on account of any injuries or damages received or sustained by any person or persons, by or from the said contractor, his servants or agents, in the construction of said work...
Seite 152 - Stevenson or to his certain attorney, heirs, executors, administrators, or assigns, to which payment well and truly to be made we bind ourselves, our heirs, executors, and administrators, and each and every of them, firmly by these presents. Sealed with our seals, and dated this 20th day of December, one thousand eight hundred and ninety.
Seite 215 - ... be deemed guilty of a misdemeanor, and upon conviction thereof be fined in any sum not exceeding fifty dollars.
Seite 151 - ... of said work, or by or in consequence of any negligence in guarding the same...
Seite 152 - KNOW all Men by these Presents, That we, are held and firmly bound unto our...
Seite 140 - NOW, THEREFORE, In consideration of the payments and covenants hereinafter mentioned, to be made and performed by said...