cuced -
afford sites for Reservoirs better in proportion to en this however can only be settled by a!· personal examinatore and stewey of this grounde-
The conduits from Potzfodener Elbercan und Tykum will require careful cousiteratou on the
ground.
The Contours
!
way
be made available
So as k obtani a graduated fail of about five
fect in each hike
should be covered
ali Cases The Obreduct
Lu
Funds, ok Heatings, every
be cheaper than longer contours, and inverted
Syphons of cast Iron pipe to ecoss interning talleys
muy save lenght and bost
Here are twowwep
questions also to be settled by the Engineer
ground.
any
LAZA-
ou the
Reserveve making is a difficult operation ou site and under any estimate, but the operation will be specially difficult at Hong Kong of the subsoil
Granite. ou account of the
the thountant Liches
cu accuut
ele CRIC
Configurations, step slopes with lart suooth surface _ the vecasional deluging falls of rain oslooking off
as off a stated house roof - These contingencies must be anticipated and must be provided for - Overflows ou By wash - space for incli reservove must be in and down the Solid wek. not lefs in lengthy than 5 feet for each que hundred acres of Gathering Ground
way
The outlet Culvert anust be in the solidt aud be teu fut above the bottour of the Reservoiry
?
X
62
on the inside
If the outlet Culvert is taken well
wite the stolic hill side, the valve-well
way
be us
the souit also and not in the made part of this Bank us at Pokfortum, the Water can be falsen in from the Reservove by
heading.
The Puddle-wall must rest on concrete ands must be supportect on both sides with selectedf and Watertight material
M
The finished Embankment should be 33 to $
· inside 2/2 h 1 outside, Six feet above top watery
As subsidence! level, and finish 12 feet Write will take place, this unust be provicted fox
as it takes place
be made goods
oo unat
The Valves
should be so arranged as to draw the Waterf
that is, the valves
clown at 10 feet intervals
stiuld be 10 feet apart vertically.
Exhinates unust be made ou
the site.
(8) Robert Rawlinsons
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