The Committee reconsidered whether Kingsway Avenue
should be treated with Calcium Lignosulfonate. In view of the
heavy truck tratfic on the street and the continuous need to
grade the shoulders, it was felt that Calcium Lignosulfonate
would not be effective and the shoulders might be difficult to
grade once the gravel! has set after dust treatment. |
Committee recommends that we try a flush coat surface treatment
on these shoulders at an estimated cost of about $3,000. There
are some problems with the use of flush coat, one of which is
that if pot holes develop, as they would if heavy traffic
drives on the shoulder, these pot holes cannot be removed by
‘grading but must be patched. This will increase our

maintenance costs.

h Aes
F.E. Peters., P. Eng.)

City Engineer

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