SPECIFICATION. FOR A WATER SE RVICE INSTALLATION , 
at 
THE SINGAPORE BOTANICAL_GARDENS. 
An Oil Engine 2i H.P. coupled direct to a 3” Centrifugal 
OIL ENGINE 
& Gwynne’s Pump; of 150 Gallons per Minute capacity, at 55C Re- 
CENTRIFUGAL * ■ 
volutions per minute, against a 20 ft head as per sketch, the 
PUMP . 
Engine and Pump to be fixed over the existing well near the 
Lake, having a two way Cock on the Suction Pipe one branch lead¬ 
ing into the well the other into the Lake thus enabling to 
Pump from either the Well or Lake. 
SUCTION 
PIPES. 
The Suction Pipe to the Lake t: be a 5" Galvanised Iron 
m 
Pipe laid under the road way between the Y/ell and Larie, having 
a Large Rose and Strum Box fitted to keej) weeds and grass from 
being drawn up by the Pump. The Suction pipe to the veil will 
also have a Rose and Strum Box fitted. 
TWO WAY The Two way Cock to be of C.I. with a Brass plug Cock 
COCK . 
properly marked so that Man in charge can see from which Suction 
the Pump is drawing water. 
ENGINE. A suitable Engine House to be erected over the Engine and 
-HOUSE. 
Pump about 15 1 x IB* x 3”. 
STORAGE 
TANK. 
The Storage Tank to be built of Brick and Cement, 
sions 16* x 16' x 6'S" deep, capable of holding 10,000 
of / 
dimen- 
Gallons 
