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buitd the sewer now, and later to construct the deeper pipe from
public funds, in conjunction with the Davi d/Pathan Connector
construction. This two sewer concept, however, appears excessively
costly, and involves a future expenditure of pubite funds.

Based on Golder's observations, and the necessity of accommodating
the David/Pathan Connector, our conclusion is that construction of
the sewer as suggested by the Developer would-be quite risky in
terms of possible erosion and sloughing in the construction zone,
and that a shallow sewer would require reconstruction at a Jater
date at public expense. If Council chose to accept the Developer's
Suggestien, then it would be prudent to provide several additional
safeguards to protect the Municipality and the public against
future excessive costs. For instance, the maintenance guarantee
for the works should be extended to no less than five years,
secured by a maintenance surety bond, or by a cash deposit. In
addition, a restrictive covenant should be registered against the
land, saving the District harmless from claims for damage or loss
attributable to erosion, slope failure or other like damage.

The private sewer system intended to be used by the Developer of
Camex was constructed between 1978 and 1980 largely in accordance
with the B. C. Plumbing Code. Some trunk main manholes were
required to be built to Subdivision Control By-law standards, but
no as-built drawings were ever submitted to the Municipality. The

-hybrid system of Plumbing Code and Subdivision Control By-law

standards poses certain potential maintenance problems, especially
if sewer connections were not checked at the main to ensure no ~~
obstruction or protuberance occurred to block flow in the trunk
sewer. The strata corporation has had the responsibility for
maintaining these sewer lines from construction, so any problems
or data on the conditions of the pipes is not known. We would,
therefore, think it prudent to perform a complete video inspection
of the affected trunk line proposed to be used by the Developer,
to check for damages and obstructions. Prior to any consideration
of takeover of the part of the private system by the Municipality,
this inspection, and the necessary repairs and alterations, should
be completed. Following correction of any outstanding defects, the
strata corporation could be asked to provide a 3 m easement over
the sewer for maintenance purposes. In addition, following video
inspection of the mains, it should be possible to confirm whether
additional flows can be accommodated without alteration to the
trunk sewer.

Potential specified areas for Sewerage. Development of the Camex

‘site will create the expectation among adjoining landowners that

their land can be sewered. One pessible approach is to establish
a specified area, or development cost charge area, which would
embrace an entire service area and apportion the cost of the
necessary sewers among al? users on an equitable basis. Serviced
areas should conveniently drain by gravity to the selected outfall
location, and the amount of sewer discharge collected, should be
limited to that which can be handled by the existing, or by the

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