National Dam Inspection Program. Tillson Lake Dam (NY00083), Lower Hudson River Basin, Town of Gardiner, Ulster County, New York. Phase I Inspection Program.

Abstract

This report provides information and analysis on the physical condition of the dam as of the report date. Information and analysis are based on visual inspection of the dam by the performing organization. Examination of available documents and visual inspection of the dam did not reveal conditions which constitute an immediate hazard to human life or property. However, the dam has some serious deficiencies which require further investigation and remedial work. Hydrologic and hydraulic analysis indicates that maximum spillway discharge capacity without flashboards is only about 39% of the PMF peak outflow. The 1/2 PMF would overtop the earth embankment and would probably cause failure. Therefore, in accordance with Corps of Engineers' screening criteria for review of spillway adequacy, spillway capacity is considered 'seriously inadequate' and the dam is assessed as unsafe, non-emergency.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Aug 31, 1981
Accession Number
ADA106657

Entities

People

  • Kenneth J. Male
  • W. M. Smith Jr

Tags

Communities of Interest

  • Air Platforms
  • Human Systems

DTIC Thesaurus Topics

  • Climate Change
  • Concrete
  • Construction
  • Drainage Basins
  • Embankments
  • Engineering
  • Floods
  • Maps
  • Materials
  • Measurement
  • New York
  • Plastic Explosives
  • Riprap
  • United States
  • Visual Inspection
  • Warning Systems
  • Water Supplies

Readers

  • Hydrologic Risk Analysis and Mitigation.