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AWWA F101

2013 Edition, January 20, 2013

Complete Document

Contact-Molded, Fiberglass- Reinforced Plastic Wash-Water Troughs and Launders



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Product Details:

  • Revision: 2013 Edition, January 20, 2013
  • Published Date: January 20, 2013
  • Status: Active, Most Current
  • Document Language: English
  • Published By: American Water Works Association (AWWA)
  • Page Count: 28
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

This standard describes the minimum requirements for fiberglass-reinforced plastic wash-water troughs and launders made by the contact-molding process, including flat-bottom, round-bottom, and V-bottom troughs and launders. Requirements are included for materials, properties, design, construction, dimensions, tolerances, work quality, and appearance. This standard also describes the requirements for using general-purpose and chemical-resistant resins. These fabrications are used in municipal water supply service and industrial water supply service applications.

Classification. Resistance to the corrosive or chemical environment shall be determined prior to molding either Type I or Type II fabrications. Typically, municipal water supply service applications use Type I, while industrial water supply service applications may use either Type I or Type II, depending on the environment. Troughs and launders shall be classified according to type as follows:

Type I. Fabrications shall be manufactured with a polyester resin of the orthophthalic or isophthalic formulation. Type I fabrications shall be manufactured of materials suitable for general purpose applications having a temperature range not exceeding 150°F (83°C).

Type II. Fabrications shall be manufactured with a chemicalresistant polyester resin, such as vinylester, bisphenol-A fumarate, or chlorendic formulations. Type II fabrications shall be manufactured for chemical-resistant applications having a temperature range not exceeding 200°F (111°C).

Purpose

The purpose of this standard is to provide the minimum requirements for contact-molded, fiberglass-reinforced plastic wash-water troughs and launders, including laminate construction and design, chemical and physical requirements, verification, and delivery.
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