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BENEFIT-COST RATIO: The B/C ratio last presented to Congress (FY 1974) was 1.15 to 1. The current B/C ratio is 1.19 to 1.
The B/C ratio is based on the incremental benefits and costs associated with this project modification.

STATUS OF ENVIRONMENTAL IMPACT STATEMENT: Final Statements were submitted to CEQ on 15 February 1971 for Section 1 (Ocean
to Mile 10.7); 23 June 1972 for Section 2 (Mile 10.7 to Mile 20.0); and, 20 March 1973 for Supplemental Statement on
blasting. Jacksonville Harbor Draft Supplemental Statement on Short Cut Turn (Mile 6.2 to Mile 7.0) was furnished agencies
for coordination on 26 October 1973.

OTHER INFORMATION: Funds to initiate preconstruction planning were appropriated in Fiscal Year 1967. Funds to initiate
construction were appropriated in Fiscal Year 1968.

Jacksonville Harbor, Florida

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APPROPRIATION TITLE: Construction, General Channels and Harbors (Navigation)

PROJECT: Miami Harbor, Florida (Continuing)

LOCATION: Miami Harbor lies in Biscayne Bay, 71 miles south of Palm Beach Harbor and about 130 miles northeast of Key West Harbor. Plan of improvement is a modification to the existing project and provides for enlargement of the entrance channel to 38 feet by 500 feet from the ocean to the existing beach line and thence deepening the channel to 36 feet across Biscayne Bay to and including the turning basin at Biscayne Boulevard terminal and in the turning basin at Fisher Island.

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Estimated Federal Cost (Corps of Engineers) $14,400,000

Fed. Cost (C of E)

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Channel: Enlarging to 38' depth x 500' width from ocean to existing beach line; deepening 400' channel to 36'; and deepening turning basins to 36'.

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Channel Improvement

6,281,000 1/

Allocation to Date

9,640,000

67

Entrance Channel and
Turning Basin

26

4,760,000

100

Entire Project

26

26

Apr 1975
Do.

0

Appropriation Requested for FY 1975

Balance to Complete after FY 1975

1/ Reduction assigned as savings and slippage.

JUSTIFICATION: Miami Harbor is regularly and increasingly used by modern tankers and large general-cargo and cruise ships. Many of these vessels cannot now enter the harbor fully loaded. In recent years Miami Harbor has become one of the principal cruise ship ports in southeastern United States. In 1964 over 250,000 passengers passed through the port. Passenger traffic doubled at Miami Harbor in the 5-year period between 1960 and 1965, increasing from 136,000 to 285,000 embarking and debarking and nearly tripled again in the next 7 years to 851,000 in 1972. Miami port officials anticipate increased visits by larger cruise ships if Miami Harbor is further deepened.

Division: South Atlantic

District: Jacksonville

Region: South Atlantic-Gulf Miami Harbor, Florida

The proposed harbor improvement would result in transportation savings from deeper loading of the tankers now in use as
well as from tankers that would be expected in the future. In addition to prospective savings in transportation of petro-
leum products, benefits would accrue through reduced transportation costs for cruise ship passengers, general cargo car-
ried in deeply laden vessels, and value of dredged material.

With the 36-foot-depth provided, it is estimated that 25,000 passengers will embark from Miami in large deep draft cruise
ships on Caribbean and extended cruises by the year 1998 and 36,500 by the year 2023. Average annual benefits are
$744,000 for navigation.

FISCAL YEAR 1975: Requested amount of $4,760,000 will be used to complete enlarging and deepening entrance channel and
turning basins.

COMPLETED MODIFICATION:

Miami Harbor has been under Federal improvement since about 1902. The existing project provides
for: a 30-foot depth channel 500 feet wide from the ocean to the outer end of the north jetty thence 400 feet wide through
the entrance and across Biscayne Bay to and including a turning basin at Biscayne Boulevard terminals; a 30-foot depth
turning basin at Fisher Island; and two rubble-stone jetties at the entrance 1,000 feet apart, the north one 3,000 feet
long, and the south one 2,750 feet long. The Federal cost of completed work is $9,637,000.

NON-FEDERAL COSTS: Initial investment required of local interests in construction of the modification is estimated as
Follows:

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STATUS OF LOCAL COOPERATION: Assurances required by Public Law 91-646 were accepted in November 1971. Contract agree-
ment required by Section 221 of River and Harbor Act of 1970 has been approved by the Secretary of the Army.

COMPARISON OF FEDERAL COST ESTIMATE: No change from the latest estimate presented to Congress.

BENEFIT-COST RATIO: The B/C ratio last presented to Congress (FY 1974) was 1.15 to 1. The current B/C ratio is 1.11 to 1.
The B/C ratio is based on the incremental benefits and cost associated with this project modification.

Miami Harbor, Florida

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