The Separate System of Sewerage: Its Theory and ConstructionD. Van Nostrand Company, 1899 - 324 páginas |
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Página 28
... cleaned , No. 6 about six weeks after . There is a vault a short distance from the well , with which it is evidently in direct communication , the chlorine being more in the second analysis than in the first . No. 7 was fur- nished by a ...
... cleaned , No. 6 about six weeks after . There is a vault a short distance from the well , with which it is evidently in direct communication , the chlorine being more in the second analysis than in the first . No. 7 was fur- nished by a ...
Página 38
... cleaned . He accomplished the task by turning a stream of water through them . This famous exploit- " cleansing the Augean stables " is repeated over and over again wherever abundant water supply is supplemented by thorough sewerage ...
... cleaned . He accomplished the task by turning a stream of water through them . This famous exploit- " cleansing the Augean stables " is repeated over and over again wherever abundant water supply is supplemented by thorough sewerage ...
Página 41
... clean , soon becomes a cess - pool , charged with filth from the streets and gutters , which soon decomposes . The flushing cannot be very thoroughly accomplished , owing to the rough interior surface of brick sewers , and to the large ...
... clean , soon becomes a cess - pool , charged with filth from the streets and gutters , which soon decomposes . The flushing cannot be very thoroughly accomplished , owing to the rough interior surface of brick sewers , and to the large ...
Página 43
... clean and wholesome . Besides , when the earth of inhabited places is kept so clean as to preserve the purity of the water , no exhalations will arise from it deleterious to health and dangerous to life . * * * * * " This is not the ...
... clean and wholesome . Besides , when the earth of inhabited places is kept so clean as to preserve the purity of the water , no exhalations will arise from it deleterious to health and dangerous to life . * * * * * " This is not the ...
Página 44
... cleaning the streets frequently and well . Most cities would thereby be greatly improved , both in appearance and ... clean . Laborare est orare - ' to labor is to pray ' - said the wise old monk , and the most effective prayer for ...
... cleaning the streets frequently and well . Most cities would thereby be greatly improved , both in appearance and ... clean . Laborare est orare - ' to labor is to pray ' - said the wise old monk , and the most effective prayer for ...
Otras ediciones - Ver todas
The Separate System of Sewerage, Its Theory and Construction Staley Cady 1840-,George Spencer Joint Author Pierson Sin vista previa disponible - 2016 |
Términos y frases comunes
ammonias amount assessing average back-filling bacteria branches brick sewer cent clean Combined System connected construction consumption contractor cost cubic curve dead end depth of flow diagram diem per capita discharge distance drainage effluent Engineer Excavating and Back feet per second filled filter filtration fixtures flush-tanks gallons grade horizontal house drains house sewer inches inches in diameter increased iron pipe joints laid lamp-holes length less lineal foot man-holes material maximum method necessary nitrification nitrogen obstruct ordinary organic matter outlet pipe sewers placed plumb-bob plumbing plumbing fixtures population Price per lineal proper properly pumping purified removal sand sanitary Schenectady Separate System sewage sewer gas sewer pipe sewerage shown in Plate soil pipe storm water stream street sewer subsoil Superintendent surface syphon system of sewers TABLE tank tion trap trench typhoid fever velocity ventilating pipes waste pipes ΙΟ
Pasajes populares
Página 155 - ... 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...
Página 156 - 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.
Página 247 - ... be deemed guilty of a misdemeanor, and upon conviction thereof be fined in any sum not exceeding fifty dollars.
Página 312 - With the gravels and sands, from the coarsest to the finest, we find that purification by nitrification takes place in all, when the quantity of sewage is adapted to their ability, and the surface is not allowed to become clogged by organic matter to the exclusion of air.
Página 140 - Engineer. [INSTRUCTIONS TO CONTRACTORS.] TO CONTRACTORS. 1. All bids must be made upon the printed forms, to be obtained at the office of the Engineer, and enclosed in a sealed envelope, directed to the Engineer of Sewers and endorsed upon the outside of the envelope, Proposal for Constructing Sewers in the City of 2. Each bid must be accompanied by a deposit of Dollars, to be left in the hands of the City Clerk, subject to the conditions specified in the proposal hereto annexed, as a guarantee of...
Página 143 - NOW, THEREFORE, In consideration of the payments and covenants hereinafter mentioned, to be made and performed by said...
Página 246 - No brick, sheet metal, earthenware or chimney flue shall be used as a sewer ventilator, nor to ventilate any trap, drain, soil or waste-pipe.
Página 304 - ... 2. In order that the effluent water may not be directly polluted by the sewage liquid, the maximum supply of the latter must not be more than can be taken up by the pores of the soil. 3. Dry loamy soil absorbs more than peaty soil and gives up less, whilst dry sandy soil on the contrary absorbs less and gives up more.
Página 30 - Smith, in a very comprehensive paper on the "Influence of sewerage and water supply on the death rate in cities" writes as follows: "Data drawn from sewered cities is now available for study and comparison.
Página 154 - If such alterations diminish the quantity of work to be done they shall not constitute a claim for damages, or for anticipated profits on the work that may be dispensed with ; if they increase the amount of work, such increase shall be paid for according to the quantity of the work actually done and at prices and rates established for such work under this contract.