WATERWORKS OF EAST LONDON. 34I 



i s. d 



Engine oil, 100 gallons per annum at 3s. 6(1. per gall. ... 17 10 o 



Cylinder Oil, 140 gallons per .innum at 3s. gd. per .gall. ... 26 5 



Solidified Oil. 700 Ihs. per annum at ;6s. pei^ cwt 17 jo 



f6i 5 

 Say i64 



You will require to make anv modification necessary to suit price of 

 oil, etc., obtained at East London, and delivered at site. The same 

 remarks apply to Waste. Spares for En.gine and Pump are based on 

 our experience of the plant for Glasgow Main Drainage, and are what 

 we consider ample for one year's running. 



Spares for Boiler are as recommended bv ]\Iessrs. Babcock and 

 Wilcox, Ltd. 



Spares for Economiser are as recommended by Messrs. Green and Co, 



Electrically Operated Plant. 



I s. d- 

 Oil, 290 gallons Engine Oil at 3s. 6d. per gallon ) 56 o 



2 cwt- Solidified Oil at 56s- per cwt. ( 



Waste, 4 cwts. at 70s. per cwt 14 o 



Spares Parts for Pumps, as per list 60 00 



Spare Parts for Motor, as per list 50 o o 



Power, 223 B.O.T. units per hour for 23^ hours per 



day at .66d. per unit 5,260 3 



Wages of Staff, as per specification 951 o 



Total per annum 6,391 3 o 



Electric Pumping Plant. 



Working cost for 240 days per annum, 222, Pump Horse Power : — 



£ s. d. £ s. d. 



Current at 0.66 pence per Unit, i.e., 



i,28^%48o units 3,532 6 5 



Labour: Engineer in charge, £5 i6s. per week 301 12 



1st Shiftsman, £4 lis. 7d. per week 238 2 4 



2nd Shiftsman, £3 17s. per week . . . 200 4. 



3 Natives at £1 per week 102 17 2 



I Messenger at 13s. 6d. per week (52) 35 2 877 17 6 



Stores : 35 cases oil at 42s. per case, £73 10 

 224 lbs. solidified Oil at lod. 



per lb Q 6 8 



448 lbs. waste at 9d. per lb. 16 16 o 



For 357 days £99 12 8 



For 240 days 66 19 7 



Plant : Capital charges on £7,320 546 o 6 



Capital charges on Mains . . . £8,434 

 Tunnel . . . 560 

 Buildings . . . 847 10 



£9,836 10 o at £6 4 9 



per £100 613 ir o 



Depreciation Plant, IMains, Buildings, etc., 2^* 



per cent- on £17,156 10 o 428 18 3 



:£6,o65 13 3 

 Cost £10 19s. 5*1. per million gallons. 



