THE COnPOR TION OF THE CITY OF PORT COQUITLAM

With reference to 6. above, this was discussed at the meeting of
the Public Works Committee held Tuesday, January 21st, 1975. The Committee
recommends that Grippen Engineering Ltd. be engaged by the City to investigate
the following: ‘

- a 1. Hydrological study to estimate the instantaneous flow resulting
from a rainfall of 10 year return period encompassing the area south of the
C.P.R. tracks which drains to the Harbour Street Pump Station and the Cedar
Ditch - Hyde Creek area. L

; 2.. Preliminary design of the main drainage ditches, pump station
and flood boxes necessary to dispose of the instantaneous flow detailed in
‘1. above.

; 3. Estimates to determine the capital cost of the disposal required
. for flow conditions in the selected areas in 1. above. . ws

This work would not commit the City to proceed with any capital
‘expenditure beyond the scope of the Fraser River Flood Control Programme.
“It would outline what’ could be done,either at the time of the programme
project or subsequent to the project completion,to provide for the 10 —
year: rainfall. fiow in the two areas where it might be felt. necessary to 60
provide. The cost of engaging Crippen Engineering Ltd. will be approximately
$10,000. . .

Respectfully submittéd,
We

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v.G. Borch, P. Enge,
City Engineer.