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Bridge Alteration

Published on AidPage by IDILOGIC on Jun 24, 2005

Administered by:

US Federal Government Agency (see all agencies)
Department Of Homeland Security
CFDA #: 97.014

Criteria for selecting proposals...

The selection criteria are primarily based on the benefit to navigation and the cost of alteration of the obstructive bridge. The following Criteria are used to determine if a bridge is obstructive under the Truman Hobbs Act: The District Commander receives complaints that a bridge is obstructive to navigation, or he can initiate an investigation because of numerous accidents. Through informal discussions with the complainant and other affected and or concerned parties, if sufficient information is available, the District Commander may formulate an opinion on whether or not the bridge in question is an unreasonable obstruction to navigation. If the District Commander determines that further investigation is not warranted, the District Commander informs the complainant there is not enough evidence to warrant an investigation and takes no further action. If the District Commander concludes that the bridge could be an unreasonable obstruction to navigation, the District Commander conducts a Preliminary Investigation, which involves: analyzing the existing bridge to determine if the navigational clearances are restrictive and to what extent; describing the waterway in the vicinity of the bridge (with charts of the area) for the record to establish, area and location of bridge in question, and any naturally occurring aspects of the environment which may impact navigation; collecting data on bridge openings to establish amount of use, accidents attributed to restrictive navigational clearances and not pilot error, all costs associated with accidents as described above, and other costs associated with the need to alter for the benefit of navigation (i.e., the cost of double tripping); computing the navigation benefits; and recommending a course of action. A Preliminary Investigation Report is sent to the Commandant for review. If the Commandant determines that the bridge is not an unreasonable obstruction to navigation, the Commandant then notifies the District Commander that the bridge does not qualify for alteration under the Truman-Hobbs Act and no further action is required. The case may be reopened if changes in navigation occur. If the Commandant determines that the bridge may be an unreasonable obstruction to navigation, the Commandant then directs the District Commander to conduct a detailed investigation. The purpose of the investigation is to gather additional facts to determine if the bridge is indeed an unreasonable obstruction to navigation, what clearances are needed, and any other circumstances that need disclosing. The District Commander forwards a Detailed Investigation Report to the Commandant. The report contains detailed information and substantiated data collected during the investigation in support of the recommendation. The Commandant reviews the Detailed Investigation Report and conducts a Benefit/Cost Analysis. The Commandant then determines if the benefit to navigation which will result from the alteration is at least equal to the cost of making the bridge alterations. If the benefit does not at least equal the cost then the bridge can not be altered under the Truman-Hobbs Act. The Navigation Benefit is used to calculate the Benefit-to Cost Ratio (B/C). The B/C will be used to determine eligibility under the Truman-Hobbs Act and to justify for funding before Congress. The Navigational Benefits generally will be calculated in three categories, namely: (1) Vessels delays resulting from limited clearances of the bridge (or Transit Time Savings, resulting from a reduction in transit time and thus operating expenses in clearing the bridge zone); (2) Collision damage resulting from accidents caused by the limited clearance of the bridge (or Water Accident Reduction Savings, due to elimination/reduction of future damages to the bridge, fenders, and vessels); and (3) Certain other savings have been eliminated. Examples of these savings are