301
pipes laid with open joints and surrounded with broken stone, the remaining part of the pipe trenches being filled in with screened sand. The sand in the valley bottoms is thus turned to account as a natural filtering agent and even during the heaviest rains the water arrives clear at the wells.
From the wells, which are at a level of 30 to 40 feet above the sea, the water is conveyed in iron pipes, laid in deep trenches, to a storage tank of 150,000 gallons capacity at Yau Ma Tei. It is then pumped into a reservoir constructed on an adjacent hill, 215 feet above the sea level and having a capacity of 160,000 gallons, and from there it is distributed through cast iron mains varying from 7 inches to 3 inches in diameter and aggregating about 10 miles in length.
For the supply of the native population, numerous fountains are fixed in the various villages, most of the European houses having a private supply laid on in the usual manner. All private supplies, whether for domestic or trade purposes, are measured by meter. To assist in regulating the supply, a second reservoir of 40,000 gallons capacity was constructed on a hill at Hung Hom, about 2 miles distant from Yau Ma Tei, at a height of 160 feet above the sea.
The engines and pumps, which are in duplicate, are of the Worthington type and were supplied by Messrs. James Simpson & Co., London. Each set is capable of delivering 10,000 gallons per hour.
301
pipes laid with open joints and surrounded with broken stone, the remaining part of the pipe trenches being filled in with screened sand. The sand in the valley bottoms is thus turned to account as
national filtering agent and even
as a
during the heaviest rains the water arrives clear at the wells.
From the wells, which are at a level of the water is conveyed
30 to 40 feet above the sea,
in iron pipes, laid
deep trenches, to a
(LO
so as to avoid
syphons storage lank of 150,000 gal.
·lons capacity at Yaumali. It is then pumped.
G
into
魂
reservoir constructed
adjacent hill, 215 feet above
Jeu
the top of
level and having
capacitis of 160,000 gallons, and from there it is distributed through cast iron mains varying. from 7 inches to 3 inches in diameter and aggregat.
miles in length.
ing
about
numerous
10
For the supply of the native population,
fountains are fixed in the various
villages, most of the European houses having
a
supply
purposes,
laid
are
on in the usual manner. Ali
a
private supplies, whether for domestic or trade
however measured by mater. To assist in regulating the supply, second reservoir of 40,000 gallons capacity constructed on a hill at Hung Kom, about 2 mileo distant from Youmuti, ut a height of 160 feet above the
sea.
The engines and pumps, which are in
duplicate are of the Worthington type and were supplied by Mesoro James Simpson C., London. Each set is cupable of delivering 10,000 gallons per
3.
hour
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