Handbook of Polyethylene Pipe PDF Download
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Author:
Publisher: Plastics Pipe Institute
ISBN: 9781952632006
Category :
Languages : en
Pages : 620
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Book Description
Published by the Plastics Pipe Institute (PPI), the Handbook describes how polyethylene piping systems continue to provide utilities with a cost-effective solution to rehabilitate the underground infrastructure. The book will assist in designing and installing PE piping systems that can protect utilities and other end users from corrosion, earthquake damage and water loss due to leaky and corroded pipes and joints.
Author:
Publisher: Plastics Pipe Institute
ISBN: 9781952632006
Category :
Languages : en
Pages : 620
Get Book Here
Book Description
Published by the Plastics Pipe Institute (PPI), the Handbook describes how polyethylene piping systems continue to provide utilities with a cost-effective solution to rehabilitate the underground infrastructure. The book will assist in designing and installing PE piping systems that can protect utilities and other end users from corrosion, earthquake damage and water loss due to leaky and corroded pipes and joints.
Author: American Association of State Highway and Transportation Officials. Task Force for Roadside Safety
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 560
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Book Description
Author: United States. Bureau of Public Roads. Bridge Division
Publisher:
ISBN:
Category : Pipe, Concrete
Languages : en
Pages : 24
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Book Description
Author: Lester A. Herr
Publisher:
ISBN:
Category : Culverts
Languages : en
Pages : 68
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Book Description
Author: David C. Wyant
Publisher: Transportation Research Board
ISBN: 0309069203
Category : Culverts
Languages : en
Pages : 82
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Book Description
TRB's National Cooerative Highway Research Program (NCHRP) Synthesis 303: Assessment and Rehabilitation of Existing Culverts summarizes the state of the practice of pipe assessment, the selection of appropriate repair or rehabilitation methods, and the management aspects of a pipe program.
Author: Bridget M. Donaldson
Publisher:
ISBN:
Category : Culverts
Languages : en
Pages : 34
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Book Description
Cured-in-place (CIPP) rehabilitation is a commonly used technology for pipe repair, and transportation agencies are using CIPP technology to repair damaged pipe culverts. In typical CIPP applications, a lining tube saturated with a thermosetting resin is installed into the damaged pipe and cured with a heat source to form a pipe-within-a-pipe. This study focused on CIPP installations that use forced steam through the lining tube both to press the liner to the inside dimensions of the host pipe and to harden the resin-impregnated liner material. Of the thermosetting resins used in CIPP applications, styrene-based resins are the most common. This research focused on styrene-based CIPP products. To evaluate the potential for impacts on water quality from the steam-cured CIPP process, seven CIPP installations in surface water and stormwater conveyances were identified and observed over the course of a 1-year study in Virginia. Water samples were collected from each project site and analyzed for styrene. The results were then evaluated for compliance with established regulatory standards and published aquatic toxicity criteria. Water samples collected from pipe outlets at five of the seven CIPP installations showed detectable levels of styrene. Styrene concentrations were generally highest in water samples collected during and shortly following installation. The maximum duration that styrene was detected at any site was 88 days following the CIPP installation. Although the sites in this study were not directly linked to sources of drinking water, styrene levels at five sites were higher than the U.S. Environmental Protection Agency's maximum contaminant level for drinking water of 0.1 mg/L. Styrene was detected at five sites for a minimum of 5 days to at least 71 days after installation and was detected at these sites up to 40 m downstream. Certain measurements were also found to exceed the values for EC50 (the concentration required to have a defined effect on 50 percent of a study population) or LC50 (i.e., the concentration required to kill 50 percent of a study population) for several freshwater aquatic indicator species. The findings suggest that the elevated styrene levels could have resulted from one or a combination of the following: (1) installation practices that did not capture condensate containing styrene, (2) uncured resin that escaped from the liner during installation, (3) insufficient curing of the resin, and (4) some degree of permeability in the lining material. A summary of the actions taken by the Virginia Department of Transportation (VDOT) in response to the preliminary findings of this study is also provided in this report. VDOT suspended the use of styrene-CIPP for pipes that convey surface or stormwater while further evaluating CIPP repair and subsequently developing new requirements for these installations. The new measures include substantial modifications to VDOT's CIPP specifications; an inspector training program; increased project oversight; and water and soil testing prior to and after CIPP installation. Reinstatement of statewide VDOT CIPP installations using the new procedures and specifications is planned for May 2008.
Author: United States. Army. Corps of Engineers
Publisher:
ISBN:
Category : Aqueducts
Languages : en
Pages : 54
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Book Description
Author: Craig A. Ballinger
Publisher:
ISBN:
Category : Culverts
Languages : en
Pages : 348
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Book Description
Author: Travis Hollingshead
Publisher:
ISBN:
Category : Culverts
Languages : en
Pages : 52
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Book Description
This synthesis study evaluated culvert rehabilitation (repair) methods involving trenchless technologies that may be appropriate for use in Utah. This report is not intended as a replacement for installation manuals provided by the manufacturers but rather provides a brief description of each method, installation procedures, and highlights the advantages and disadvantages of each. Segmental lining is cost effective in Utah and the most common method of culvert rehabilitation in most western state highway culverts. Cured-in-place pipe and fold-and-form methods are also common but the costs are higher than segmental lining. DOT maintenance personnel can often carry out segmental lining, while contractors with specialized skills and equipment are required for all other methods. This report also presents a survey of culvert relining project costs (western states) and a discussion on burial depth limitations and end treatments. The information provided was obtained through a literature review, surveys of various western State DOTs and interaction with the Utah Department of Transportation (UDOT).
Author: United States. Bureau of Reclamation
Publisher:
ISBN:
Category : Barrages
Languages : en
Pages : 860
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Book Description
