The Separate System of Sewerage: Its Theory and ConstructionD. Van Nostrand Company, 1891 - 281 Seiten |
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acre per day ammonias 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 Excavating and Back feet per minute filled filtration fixtures flush-tanks flushing gallons grade 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 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 shown in Plate soil pipe storm water stream street sewer subsoil Superintendent surface syphon system of sewers TABLE tion trap trench typhoid fever velocity ventilating pipes water closets water-closet ΙΟ
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Seite 150 - KNOW all Men by these Presents, That we, are held and firmly bound unto our...
Seite 149 - ... 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 138 - ... hereby covenants and agrees to do the work above mentioned in a substantial and workmanlike manner, in conformity with the plans...
Seite 264 - The results of fifty-one experiments made with this apparatus point to the following conclusions: 1. The liquid entering the pores of the soil displaces the air or liquid previously present, forcing the former upwards into the atmosphere, and the latter downwards into the subsoil or effluent water. 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...
Seite 209 - No brick, sheet-metal, earthen-ware or chimney flue shall be used as a sewer ventilator, nor to ventilate any trap, drain, soil or waste-pipe.
Seite 210 - ... thereof be fined in any sum not exceeding fifty dollars nor less than ten dollars, or imprisonment in the for a period not exceeding twenty days or by both such fine and imprisonment, at the discretion of the court.
Seite 29 - 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.
Seite 133 - The place of residence of every bidder, with postoffice address, county and state, district or territory, must be given after his signature, which must be written in full. 7.
Seite 207 - All connections of lead with iron pipes must be made with a brass sleeve or ferrule, of the same size as the lead pipe, put in the hub of the branch of the iron pipe and calked in with lead.
Seite 148 - 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.