i9to.] Water Supply and Small Holdings. 295; 



in the second case, nothing has been estimated for mainten- 

 ance. Interest, depreciation, and sinking fund may for the 

 present purpose also be taken as equal in the two cases. 



Estimate No. i, 



Showing the cost of provision of water-supply to a group of thirty small holdings 

 having no surface-water, each holding to be separately provided in accordance with 

 " good" prevailing conditions : — 



For each Holding. 



(a) One house well, say 4 ft.'x 60 ft., wholly or partly steined in £ s. d. 



brickwork, and protected with oak or stone cover ... 35 o o 



(b) One farm well, say 3 ft. x 30 ft., similarly provided... ... 15 o o 



(c) One single crank hand-wheel pumping apparatus with 3 in. 



pump, air-vessel, rods, stages, suction and delivery pipes, 



&c, to supply tank in roof ... ... ... ... ... 29 10 o 



{d) One galvanised iron 300 gallon house tank with ball valve, 



overflow, and house service pipe fitted with bib' cock ... 8 10 o> 



[e) One 100 gallon galvanised iron collecting rain-water tank and 

 one 300 gallon galvanised iron service tank and rain-water 

 separator ... ... ... .. ... ... ... 11 00 



(/) One single crank iron windlass with ratchet gear, 2 buckets, 



and galvanised iron chain for farm well ... ... ... 95o 



(g) Labour and material in fixing items (c), (d), (e), (/)... ... 15 o o 



^123 5 o 



Add 10 per cent, for contingencies ... ... ... 12 7 o 



£i35 12 



Total cost for the group of 30 holdings £4,068 0 0 



Estimate No. 2, 



Showing the cost of provision of a combined system of water-supply to the same 

 ;roup ; sixty water-points being provided for : — 



(a) Deep well, io ft. in sump ; in brickwork in cement and £ s. d. 



bored and lined with steel tubes 8 in. and 6 in. in 

 diameter to a total depth of, say, 250 ft. ; a 5 in. x 24 in. 

 gun-metal deep well pump 200 ft. down to deliver (at 

 30 revs.) 2,000 gallons per hour ; a 6-b.h.p. oil engine in 

 brick built and slated engine house, and all necessary 

 fittings ready for use... ... ... ... ..' ... 575 o o 



(b) One circular domed reservoir either of brickwork in cement 



or ferro-concrete, with valves, washout, ventilator, float 

 indicator, iron ladder, manhole, &c, total capacity 

 60,000 gallons, * complete and ready for use. (A water 

 tower of similar capacity would cost about twice this 

 amount) ... ... ... ... ... ... 250 o o-' 



(c) Mains and fittings, say, I mile 3 in. ; I mile 2|-in. hydraulic 



main, and 4 miles i^-in. and smaller branch mains and 

 services in plough and frost-proof trenches, with all 

 necessary sluice and air valves in brick pits, surface boxes, 

 frost cocks, house fittings, and draw taps on farm stand- 

 pipes complete and ready for use ... ... ... ... 1,700 o o 



Add 10 per cent, for contingencies 



^2,52: 



Total cost for the group of 30 holdings £2,778 0 0 



* This provides for a reserve supply equal to six days' requirements. 



