- S-
IDE
HARBOR
LAKE
I
STONE
CAPPING
,
EDGE DUMPINGS
SECTION OF OLD BREAKWATER -D-
SUB-STRUCTURE BUILT 1869-1893
I
- S-
LAKE
IDE
CHANNEL
'I
!
Slope I
SECTION OF SOUTH ENTRANCE
ARM BREAKWATER
(BUILT I N
- Minimum weight 5 tons
Deck Stone
"A " Stone -
Minimum weight 3 tons,
not less thon 50%
tons or more.
- Minimum weight 3 tons
Stone
- Minimum weight tons
Toe Stone
Stone -
Minimum weight
C " Stone -
Not less thon 35 % 7 5 pounds or more, not more than
3 % less tkon onepound.
Figure 267. Typical old and south entrance arm breakwater
cross sections, Buffalo Harbor, New York
392