BOARD00531

• Board Meeting Date: 5/7/1969
• Description: Agenda or Table of Contents, Minutes, Memos
• Board Meetings - Doc Type: Meeting

MR. 'l'HOMAS I

"The channel capacity in the area below
where the dam is being constructed is only
on the order of. well. off the top of my
head. it's in the 2.000 to 3.000 second foot
range. It is not a big channel capacity.
This would give you minor overflow. I think
that in order to do substantial damage it
would have to be probably several times that
flow and I can't tell you exactly what that
is."

I

MR. XROMER:

"Are there any possibilities of losing
some of the Chatfield development if we get
some substantial rain here now?"

MR. 'l'HONAS :

"Not with the water that we think is
flowing there now. No. sir. You might lose
some of the work to a minor degree but no
major loss would take place unless you got
something like Mr. Sparks alluded to which
would be the 1965 flood. Then I am sure
that we would sustain considerable damage
at and around the dam site."

MR. XROEGER:

"Are there any other questions? Thanks
for your report.

Larry. do you wish to comment?"

MR. SPARKS:

"Yes. I think the South Platte River
below Bear Creek at this time is reaching
a discharge of several thousand second
feet. We will get some finite readings on
that. If the entire flow that is now in
the South Platte River. we'll say at Colfax
Avenue. were passing chatfield there would
be some problem at Chatfield right this day
because the flow does considerably exceed
the present channel capacity. Fortunately
there is not too great a flow coming out of
Plum Creek at this time. Most of the flow
is coming in from lower tributaries. from
Bear Creek on down. Clear Creek and so on.

I

Did I understand you to say that now we
expect to complete Chatfield in 1975?"