MONTH. Total Pumping Time. TABLE NO. 16.—Statement of Operations of Engine No. 3 at Chestnut Hill High-service Pumping Station for the Yer 1907. [7.5 per cent. allowed for slip ] Amount pumped, corrected for Slip (Million Gallons). Amount of Coal consumed (Pounds). Amount of Ashes and Clinkers (Pounds). 29 20 25.69 25,594 3,279 12.8 1,003.75 130.47 109,090,000 925.55 122.92 117,870,000 94,770,000 102,400,000 1 53 25 50.17 47,156 8,158 17.3 1,063.92 125.03 110,810,000 119,730,000 Duty in Foot-pounds per 100 Pounds of Coal, no Deduction for Heating or Lighting; corrected for Slip. Duty in Foot-pounds per 100 Pounds of Coal, on Basis of Plunger Displacement, no Deduction for Heating or Lighting. MONTH. Total Pumping Time. TABLE NO. 17. — Statement of Operations of Engine No. 4 at Chestnut Hill High-service Pumping Station for the Year 1907. [3 per cent. allowed for slip.] Hrs. Min. MONTH. Total Pumping Time. Amount pumped, cor rected for Slip (Mil lion Gallons). Total Pumping Time. Amount pumped, cor rected for Slip (Mil lion Gallons). Total Pumping Time. TABLE NO. 18.-Statement of Operations of Engines Nos. 5, 6 and 7 at Chestnut Hill Low-service Pumping Station for the AVERAGE LIFT (FEET). Amount pumped, cor rected for Slip (Million Gallons). Total Amount pumped (Million Gallons). Daily Average Amount pumped (Million Gallons). Total Amount of Coal consumed (Pounds). Engine No. 5. Engine No. 6. Engine No. 7. Hrs. Min. 825.85 1,986.33 64.075 438 48 533.17 640 35 792.85 663 35 485 19 593.84 1,919.87 68.566 865,835 14.2 2,217.35 59.83 57.01 57.75 571 15 688.85 2,084.25 67.234 942,260 12.1 2,211.97 62.11 61.44 61.81 323 20 386.98 1,819.55 60.652 764,034 13.1 2,381.50 54.90 54.76 56.75 651 797.77 1,792.03 57.807 755,046 13.3 2,373.40 53.18 54.47 53.95 675 40 836.10 1,652.59 55.087 686,320 14.3 2,407.90 53.16 53.65 52.80 547 40 668.57 1,789.68 57.732 769,790 14.9 2,324.90 56.16 54.74 55.45 436 35 538.87 1,839.67 59.344 790,646 12.8 2,326.79 57.50 58.62 55.93 1,583.84 52.795 636,900 14.7 2,486.80 50.47 50.89 50.17 51.00 47.77 48.33 1,611.11 51.971 662,045 15.2 2,349.74 2,433.54 42.79 48.56 48.20 93,680,000 96,540,000 98,070,000 101,060,000 Total, 6,348 23 7,664.54 6,701 55 8,147.15 4,397 04 5,386.38 21,198.08 SUMMARY FOR ENGINES Nos. 8 AND 9. TABLE NO. 19. — Statement of Operations of Engines Nos. 8 and 9 at Spot Pond Pumping Station for the Year 1907. MONTH. TABLE NO. 20.- (Meter Basis.) Average Daily Consumption of Water during the Year 1907, in the Cities and Towns supplied by the Metropolitan Water Works, including Boston, Somerville, Chelsea, Malden, Everett, Quincy, Medford, Melrose, Revere, Watertown, Arlington, Lexington, Milton, Stoneham, Winthrop, Swampscott, Belmont, Nahant and a Small Portion of Saugus. (For Consumption of Water in Whole Metropolitan Water District, see Table No. 23.) In addition to the above quantities, the United States Government Reservation on Peddocks Island was supplied with 18,068,000 gallons, equivalent to a daily average rate of 50,000 gallons. TABLE NO. 21.- (Meter Basis.) Average Daily Consumption of Water, in Gallons, from the Low-service System in 1907. |