Annual Report of the Metropolitan Water and Sewerage Board, 5. sējums |
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acres April Arlington assessments Brook buildings cement cent Central Massachusetts Railroad Charles River Chestnut Hill Reservoir cities and towns city of Boston Coal Cochituate watersheds construction Cost per million cubic yards December 31 Drainage embankments ending December 31 Engineer excavation expenditures expenses Faintly unpleasant Faintly vegetable filter-beds force employed Framingham Reservoir gallons gallons per day gate-house high water High-level Sewer high-service highway inches January July June Lake Cochituate land low-service maintenance and operation Malden masonry Medford Melrose meters Metropolitan District Metropolitan Sewerage million gallons Newton North Metropolitan System November Nut Island October payment pipe lines politan portion pumping station quantity of water Quincy Rainfall repairs September settlements Sewerage Board sinking fund slight South Dike South Metropolitan Spot Pond square miles Stillwater River Stoneham Sudbury and Cochituate Sudbury Reservoir Sudbury watershed surface TABLE Total Wachusett Aqueduct Wachusett Dam Wachusett Reservoir Wachusett watershed West Boylston West Roxbury Weston Aqueduct
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165. lappuse - Nut Island Screen-house The plant at this house includes two sets of screens in duplicate actuated by small reversing engines of the Fitchburg type. Two vertical Deane boilers, 80 horse-power each, operate the engines, provide heat and light for the house, burn materials intercepted at the screens, and furnish power for the Hough's Neck pumping station.
161. lappuse - Charlestown Pumping Station. At this station are three submerged centrifugal pumps, two of them having impeller wheels 7.5 feet in diameter, the other 8.25 feet in diameter. They are driven by triple-expansion engines of the Reynolds-Corliss type. Contract capacity of 1 pump: 60,000,000 gallons with 8-foot lift. Contract capacity of 2 pumps: 22,000,000 gallons each, with 11-foot lift. Average duty for...
145. lappuse - ... a long series of tables relating to the maintenance of the Metropolitan Water Works, tables showing the length of main pipes and number of service pipes, meters and fire hydrants in the Metropolitan Water District, and a summary of statistics for 1901.
47. lappuse - Works, a complete schedule of which is kept on file in the office of the Board : — Office furniture, fixtures and supplies; engineering and scientific instruments and supplies...
132. lappuse - are included all cases where positive information could not be obtained, and where it is suspected that there may be some objectionable drainage ; under the heading "Premises Vacant" are included all cases which at present furnish no objectionable drainage, but which might furnish such drainage if the premises were occupied ; under the heading "Unsatisfactory...
163. lappuse - SOUTH METROPOLITAN SYSTEM Ward Street Pumping Station At this station are two vertical, triple-expansion pumping engines, of the Allis-Chalmers type, operating reciprocating pumps, the plungers of which are 48 inches in diameter with a 60-inch stroke and one 50,000,000-gallon centrifugal pumping unit actuated by a 500 HP Uniflow engine.
144. lappuse - ... to 1902. It was much higher in the last half of the year than in the first. The results of chemical analyses of the sewage and effluent are given in the following table : — [Parts per 100,000.] The cost of maintaining the filter-beds, exclusive of the cost of removing the dirty sand or gravel from the...
162. lappuse - The latter consists of a specially designed engine of the vertical cross-compound type, having between the cylinders a centrifugal pump rotating on a horizontal axis. Contract capacity of the two original pumps: 4,500,000 gallons each, with 13-foot lift.
212. lappuse - Colors have been determined by the Nessler standard, but the corresponding values by the platinum standard are also given, for the purpose of comparison with colors determined in the laboratory of the Metropolitan Water and Sewerage Board, as given in subsequent tables. The odor recorded is taken in such a way that it is a much stronger odor than would be noticed in samples drawn directly from a tap or collected directly from a reservoir. The more important samples are collected and examined monthly...
59. lappuse - RECEIPTS AND EXPENDITURES. The annual appropriations for the maintenance of the Metropolitan Sewerage Works, the receipts of the Board which are added to the appropriations for maintenance, and the expenditures for maintenance for the year ending December 31, 1905, have been as follows : — North Metropolitan System.