Water level determination for transportation projects : mean high water manual, final report, November 2009.

Details

• Alternative Title:
  Mean high water manual : final report, November 2009
• Creators:
  Greenfeld, Joshua S.
• Corporate Creators:
  New Jersey Institute of Technology. National Center for Transportation and Industrial Productivity
• Corporate Contributors:
  New Jersey Department of Transportation ; United States. Federal Highway Administration
• Subject/TRT Terms:
  Bridge Construction Bridges Bridges--Navigation Clearances--New Jersey--Handbooks, Manuals, Etc. Bridges--New Jersey--Design And Construction--Handbooks, Manuals, Etc. Guidelines Handbooks Manuals Sea Level
• Publication/ Report Number:
  FHWA-NJ-2007-014
• Resource Type:
  Tech Report
• Geographical Coverage:
  New Jersey
• Edition:
  Final report; Feb. 2000-July 2002.
• Corporate Publisher:
  New Jersey. Dept. of Transportation
• Abstract:
  To ensure proficient network management and safe usage of navigable waterways especially in waters that are
  
  subject to tides, it is essential that the height of the water at various tidal phases be known. This knowledge is also
  
  essential for property ownership determination and for construction projects in areas that are subjected to tidal waters.
  
  Construction applications that require the knowledge of various tidal water levels include determination and
  
  implementation of bridge clearances, design of caissons, cofferdams, fenders, and weep holes. Bridge clearances are
  
  calculated from tide observations, tide predictions and an assessment of the size of vessels expected to travel beneath
  
  them. Additional considerations that are to be addressed during bridge construction are minimum underclearances
  
  necessary to operate construction equipment, the season of construction and its effect on the water level, regulatory
  
  requirements of agencies such as the US Coast Guard, etc.
  
  Water levels and clearances are expressed in terms of elevations in a particular height system. To avoid
  
  implementation errors, it is essential that proper research, analysis, methods and procedures be exercised prior to
  
  construction to ensure that a consistent height system is being used. Insufficient determination of the current water
  
  levels and misunderstanding of height systems could become a public safety problem and/or result in property damage
  
  or damage to the integrity of the transportation network.
  
  The objective of this manual is to establish a uniform NJDOT procedure for determining water level as applied
  
  to safety, construction projects, and bridge clearances determination in tidal areas. It includes an introduction to the
  
  phenomena of tides, discussions on tidal and vertical datum, legal issues of tides, and methods for establishing the
  
  mean high water (MHW) at a construction site. The manual includes a detailed outline of a MHW study that consists of
  
  planning, observation sessions, data reductions, computations, quality assessment of the established MHW and
  
  documentation of the established MHW. NJDOT co
  
  
• Format:
  PDF
• Collection(s):
  University Transportation Centers US Transportation Collection
• Main Document Checksum:
  urn:sha256:67770bc16ed7ba051d9bb17565d0eeeb27736cf9c21c29e5f5c4fb9712e63e0c
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/17672/dot_17672_DS1.pdf
• File Type:
  [PDF - 2.29 MB ]