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Monday, August 3, 2020 | History

2 edition of Evaluation of culvert condition and road closure methods in southern Southeast Alaska found in the catalog.

Evaluation of culvert condition and road closure methods in southern Southeast Alaska

Stephen P. Levesque

Evaluation of culvert condition and road closure methods in southern Southeast Alaska

by Stephen P. Levesque

  • 295 Want to read
  • 11 Currently reading

Published .
Written in English

    Subjects:
  • Culverts -- Alaska -- Evaluation.,
  • Forest roads -- Alaska -- Maintenance and repair.

  • Edition Notes

    Statementby Stephen P. Levesque.
    The Physical Object
    Pagination38 leaves, bound :
    Number of Pages38
    ID Numbers
    Open LibraryOL15530070M

    •AWC, NHD, and Culvert data do not agree •can be calculated manually – time consuming •favors culverts in lower watershed 2) Habitat Quantity Downstream •same as upstream data challenges •favors culverts in upper watershed 3) Perch Height •For MatSu - different data collection methods •For MatSu - can be used for post surveys. This user's guide contains information on using the culvert analysis program (CAP). The procedure used is based on that presented in Techniques of Water-Resources Investigations of the United States Geological Survey, book 3, chapter A3, "Measurement of Peak Discharge at Culverts by Indirect Methods." The program uses input files that haveCited by: 8.

    • Southeast Alaska lacks a high-quality gravel runway that is open to the public, and the lack of a Some attendees stated a preference for an airport location closer to the village because of road conditions in Angoon, difficulty of road maintenance, and fuel costs. Of all the ANCSA land selections by the villages in southern File Size: 45MB. (ADFG Tongass Road Condition Survey. Report, ) If the initial survey using the Matrix indicated ‘Green’ or ‘Red’ the crossing was not further evaluated. A second TWC-Natural Channel Design Inc. engineering-grade survey was completed on a subset of the culverts determined to be ‘Red’ in the initial survey and that.

    2. The method of the culvert condition scoring. The culvert condition estimation usually consists of two steps. On the first step the culvert is inspected by methods of the direct observation (visual, video) and methods of nondestructive monitoring (radar, sonar, ultrasound, acoustic emission), : M.G. Ryumin, E.S. Shepitko. U.S. GEOLOGICAL SURVEY Open-File Report Investigations of the United States Geological Survey, book 3, chapter A3, "Measurement of Peak Discharge at Culverts by Indirect Methods." The program uses input files that have formats compatible with those used by the Water-Surface Profile (WSPRO) program. File Size: KB.


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Evaluation of culvert condition and road closure methods in southern Southeast Alaska by Stephen P. Levesque Download PDF EPUB FB2

The population of corrugated metal pipes consisted of ditch-relief and stream-crossing structures. Culvert condition was evaluated based on changes in the cross-sectional area of the culvert barrel reduced by damage or blockage.

Overall, 47% of drainage structures were operating with at lest a 10% reduction in culvert end : Stephen P. Levesque. The population of corrugated metal pipes consisted of \ud ditch-relief and stream-crossing structures.

Culvert condition was evaluated based on\ud changes in the cross-sectional area of the culvert barrel reduced by damage or blockage.\ud Overall, 47% of drainage structures were operating with at lest a 10% reduction in culvert\ud end area.

EVALUATION OF CULVERT CONDITION AND ROAD CLOSURE METHODS IN SOUTHERN SOUTHEAST ALASKA INTRODUCTION Forest roads dissect the rugged, island landscapes of the Tongass National Forest in Southeast Alaska. Though road location, design, and construction practices have certainly.

Evaluation of culvert condition and road closure methods in southern Southeast Alaska the condition of culverts in order to address current maintenance and road closure. King, M., and J. Cope. Evaluation of culvert influences on seasonal movements of juvenile salmonids, Slikok Creek, Alaska.

Jaecks, T., M. Bond, J. Miller and T. Quinn. A false-positive for anadromy in Dolly Varden otoliths in Alaska reveals likely diet effect of Pacific Salmon subsidies on resident fishes. I write on behalf of the Southeast Alaska Regional Health Consortium (SEARHC) to provide comment on the Draft Written Re-Evaluation of July Environmental Impact Statement and Record of Decision issued by the Federal Aviation Administration for.

condition of in-service culvert and storm drain systems to ensure system safety, functional performance, and the economical use of owner resources. The final deliverable for NCHRP is the Culvert and Storm Drain System Inspection Manual.

The new manual represents a complete overhaul of the conditionFile Size: KB. A culvert is a cutting under or beside a road which allows water to drain, rather than becoming stagnant and making road conditions hazardous. Technically, only an enclosed tunnel under a road can be classified as a culvert, and a cutting next to a road is called a ditch, but some English speakers use the term “culvert” to refer to either.

methods. Chapter 7 discusses the operation, inspection and assessment of culverts, these being important components of good asset management. Chapter 8 then addresses the subject of works to existing culverts including both hydraulic and structural improvements, as well as the removal of culverts (daylighting).

Chapter 9 addresses the design of File Size: 2MB. After the excavation is done and the slope of the culvert has been determined and achieved, the floor of the culvert is well compacted and casting for the concrete blinding begins.

When the bottom of the trench excavated does not provide a suitable firm foundation for the culvert. SUMMARY The deterioration of pipes and culverts is a growing problem for transportation agencies. As transportation drainage infrastructures age, the need for repair or rehabilitation often be- comes more critical.

As a result, the number of pipes and culverts being repaired or reha- bilitated is increasing each year. Sometimes culverts are installed with a break in bottom slope. At other times a break in slope will occur as a result of uneven settlink in soft fill material.

Determine the elevation and location of the invert at the break. A break in slope frequently occurs where a culvert is lengthened during road reconstruc- Size: 4MB. A Hydraulic Evaluation of Fish Passage Through Roadway Culverts in Alaska. Final Report to the Alaska Department of Transportation and Public Facilities, Division of Planning and Programming, Research Section.

o edge of culvert or ford inlet C. P3 o road surface near middle of culvert; mark spot with marking paint that will not move during the course of the survey D.

P4 o edge of culvert or ford outlet E. P4b o edge of outlet apron, when present place stadia rod. A HYDRAULIC EVALUATION OF FISH PASSAGE THROUGH ROADWAY CULVERTS IN ALASKA. FINAL REPORT. Culverts are a very simple hydraulic structure. However, because the engineer must design for peak flows passing through the culvert while fish are trying to move upstream serious problems arise.

Almost all culvert installations in interior and northern. A typical consideration in cost analysis for culvert selection is material cost. Other costs include excavation, backfill, compaction, labor, traffic control, and road repair.

When only pipe material costs are considered for an initial installation, the future implications for replacing the pipe are often Size: KB. Slip Lining Twin Culverts Eliminates Road Closure, Saves Time and Slashes Rehabilitation Cost.

Posted on Aug To complete the CSP rehabilitation project for twin culverts at Big Slough on behalf of The Corporation of Delta, PW Trenchless, of Surrey, B.C.

opted to slip line each structure one at a time, thus eliminating the need to. conditions for a range of culvert installation types.

The WFLHD study also includes an evaluation of an older culvert that was replaced by a newer culvert that is included in the present study. This evaluation gives insight into channel conditions that may have existed at the time of culvert installation. Analysis frameworkFile Size: KB.

ARRC Economic Stimulus Projects () Chief Executive Officer Certification-Sec. of the American Recovery and Reinvestment Act of Alaska Railroad Corporation Implementation Plan. Where existing culverts are being modified or retrofitted to improve fish passage, the Hydraulic Design Option criteria should be the design objective for the improvements.

However, it is acknowledged that the conditions that cause an existing culvert to impair fish passage may also limit the remedies for fish passage Size: KB. Fish passage through culverts in Alaska is a very real and important problem.

In the design of a culvert, one is interested in regard to conditions in Alaska; ~, hydrologic regions of Alaska. The three regions are the southern coast, south central and, basically, north of the Alaska Range.

Estimates of.Batteries & Battery Chargers; Circuit Protection Devices & Accessories; Conduit Fittings & Connectors; Conduit, Raceway & Strut; Distribution, Control Centers & Accessories.Southeast Culvert, Inc. Bankhead Hwy Winder, GA ()