Milford chronicle., 1925-11-20
WILL COST $4,000
TO PROPERLY OPEN
INDIAN RIVER INLET
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the newly-cut banks and much Di
the eroded material will be deposit
ed at the bay end of the cut AS
soon as these deposits begin to re-
duce the currents in the inlet the
dredge must pull off from the bay
section, return to the inlet sectlOn
and redredge it to full dimensions
This operation must be repeated con
tinually as long as there is a con-
tinuation of shoaling at the bay
end of the inlet section. By the time
the bay section is completed it is
expected, however, that the inlet
section will have become fairly well
adjusted to conditions and its clean
ING out will not have to be repeated
altogether more than four or five
times. This thorough cleaning out
of all deposits in this channel is es-
sential to the success of the enter
prise.
Upon completion of the bay and
inlet sections, the Rehoboth Bay
section may or may not be provided
as conditions then existing may IN
dicate to be necessary. 1t is be-
lieyed that it will not be found nee
essary unless it is desired to en-
large the inlet and to provide for a
greater salt water inflow.
up to this point no recommen-
dation has been made as to the
actual dimensions of channel to be
adopted, in order that all phases of
the problem might be presented
previously to assist in coming to a
conclusion as to the most suitable
dimensions.
Examining Table l, we find that
the most efficient channel given
therein in discharge per cubic yard
of dredging done, is that Is feet deep
and $50 feet bottom width, the inlet
section of which would cost round
numbers $4,000, and the bay sec
ton, in round numbers would cost
S222,OOO or a total cost of $342,OOO.
The channels of lesser dimensions
become less efficient in discharge
until we come to the smallest size
of inlet channel which it is deemed
wise to consider, viz: eight feet deep
at mean low water and 100 feet bot
tom width. The inlet section of this
channel will cost in round numbers |
$4,000, and the bay section of the |
same dimensions and located in pro-
longation of the inlet section loca- |
ton (a) $4,000, making a total cost |
of S127,0OO. If the bay section be |
shifted somewhat to the southwark |
to deeper water, location (b) its cost
will be $4,000, making a total of
100000.
1T would appear, however, that
the bay section of this channel need
not be quite so large as the inlet
section. A reduction of its worth to
so feet instead of 100 feet would re-
duce the cost of an S-foOt channel
100 feet wide in the inlet and go feet
wide in the bay to $4,000, for lOca-
ton (a), and $4,000 for location
(b). This is the smallest and least
expensive channel considered to
have any prospect of success what
ever, and that only with the under
standing that it must be maintained
at these depths continually for at
least six months after completion,
and thereafter restored annually.
The cost of this maintenance work
IS estimated to be $4,000 for the
irst six months and thereafter
$500 annually.
Should available funds permit,
iome channel of larger dimensions I
nay be adopted, with less probable l
costs in proportion as +
he adopted channel approaches the +
5-foot channel.
Should available funds not suf- !
ioo 70 tho cr1a11ncf chan
iel recommended and to provide
or its maintenance, the project
hould be abandoned, as the chances
f success would be adverse.
1.-The plans of reference used in e
his report is mean low water at p
Delaware Breakwater." C