The herald., 1897-04-04
Add for engineering and contin-
gencies 10 per cent. ....,.....,
s77o45
S2. Sa0.67S


Total. Observation-Disclosures. ", $50, $40
The east end of this breakwater is in
eight fathoms of water The estimated
cost of one foot Of breakwater in eight
fathoms of water Is 1887, with no allow
ance for contingencies. One foot OF set
tlement over the whole base of the break
, water corresponds to $4,000 cubic yards
of substructure, costing $67500. One
foot of settlement therefore corresponds
to 200 feet of length of breakwater. 10
keep the cost of the breakwater within
the limit authorized by law, it must be
shortened 200 feet for each foot OF settle-
ment If, therefore. we assume an aver
age settlement of five feet, which is not
excessive, the length of the breakwater
must be reduced 1900 feet If lower prices
are obtained at the letting, the surplus
should be used to provide for settlement
as far as it will go.
This breakwater would afford good pro-
lection from southerly and southwesterly
swells; against southeast winds 1t would
afford little protection, but as these winds
have little sweep over the water, no pro-
lection against seas from that direction
is needed. The protected area behind
the 1900 feet of breakwater, estimated on
the basis heretofore specified, which gives
results rather 100 large, is as follows,
Between breakwater and 6-fathom
line, 1888 acres.
Between g. -fathom line and 5-fathom
Between 5-fathom line and 4-fathom
line, 1853 acres.
Between breakwater and 4-fathom
line. 673 acres.
The east end of the breakwater comes
opposite point little west of the Santa
Monica Canyon.
Such breakwater would afford an ex-
cellent anchorage for as large fleet as is
likely ever to be forced there by stress OF
weather or to have occasion to wait there
for commercial purposes.
The anchorage within the protected area
is good. As a harbor of refuge the har-
bor so made would meet all necessary re-
quirements. As a harbor for commerce,
the only manner in which it could be used
is by constructing piers out from the
shore to water of necessary depth, and
these piers, to accommodate vessels draw
ing 80 feet, must be about as long as the
pier already built Shorter piers could be
built to accommodate vessels of lighter
draught, at the shorter the piers, the
greater the distance from the breakwater
and consequently the rougher the water.
1t has been proposed, and it is feasible,
to construct bulkhead wall little out
side of the three fathom line and fill in
behind it; plans and estimates have been
proposed for such work. These estimates
indicate that land can be made in this
location at a cost of about $4,000 per acre
or $3.50 per lineal foot of bulkhead 'front.'
age. This would afford a strip of ground
outside the present railroad track about
1850 feet wide and of such length as might
be constructed. This strip of made
ground and limited tract at the mouth
of and In the Santa Monica Canyon con-
stitute the area within the proper limits
of the port on which the facilities for
storage would mostly be located 1t
would also constitute the site of the
various industries and business develop
ments finding encouragement in the i'm
mediate vicinity of the harbor. Shops
for repairs and dry docks, when built,
would necessarily be located in the same
area, as no other location would be avail
abl 9. A system of short piers could be
built out from the bulkhead, at which
small vessels could land, and various
plans for other improvements might be
sugges ted.