This ordinary describes the fabrication and the checking out of nominal 1-in. via 156-in. (25-mm via 4,000-mm) fiberglass pipe and becoming a member of platforms to be used in either aboveground and belowground water structures. provider and distribution piping structures and transmission piping platforms are incorporated. either glass-fiber-reinforced thermosetting-resin pipe (RTRP) and glass-fiber-reinforced polymer-mortar pipe (RPMP) are fiberglass pipes. Epoxy-resin and polyester-resin platforms are defined, and commercial-grade glass-fiber is precise because the reinforcement fabric within the pipe wall. Liner fabrics integrated comprise thermosetting or thermoplastic resin, strengthened or unreinforced, without or with fillers. strain periods defined are 50, a hundred, a hundred and fifty, two hundred, 250, three hundred, 350, four hundred, and 450 psig (345, 689, 1,034, 1,379, 1,724, 2,069, 2,414, 2,759, and 3,103 kPa). Stiffness periods defined are nine, 18, 36, and seventy two psi (62, 124, 248, and 496 kPa). This normal can be utilized to the level appropriate for different diameters, strain sessions, and stiffness periods. for info on layout, hydraulics, and set up, discuss with AWWA handbook M45, Fiberglass Pipe layout. significant revisions made during this version of the normal contain the next: wording alterations to explain "production run" and fabrics approved; the necessary hydrotesting diameter was once elevated from fifty four" to 96"; and, the hydrotesting strain for diameters more than fifty four inch is 1.5x to higher replicate present gear services on hand within the undefined.
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All Rights Reserved. Fiberglass Pressure Pipe 27 SECTION 6: Sec. 1 Delivery Marking Each standard length and random length shall be clearly marked. Marking shall be applied without indentation so as to remain legible during normal handling and installation practices. At a minimum, these markings shall consist of the following: (1) the phrase ANSI/AWWA C950; (2) nominal pipe size, cell classification, and diameter series; (3) AWWA pressure class; (4) stiffness class; and (5) manufacturer’s mark and identity code.
1 hr. This takes into consideration variations in glass-fiber strength and manufacturing methods. Sr is the calculated hoop tensile stress at the pressure class. 4 Axial tensile strength tests. The manufacturer shall perform axial tensile strength tests at a frequency of one test for each 100 lengths of pipe produced or from each manufacturing run, whichever provides the most frequent sampling of each class and size. The minimum axial tensile strength shall be determined from the average of the test results of three specimens cut from the sample when using the apparatus and procedure of ASTM D638, except the provisions for maximum thickness shall not apply; or ASTM D2105, depending on the size of the pipe specimens to be tested.
4 Axial tensile strength tests. The manufacturer shall perform axial tensile strength tests at a frequency of one test for each 100 lengths of pipe produced or from each manufacturing run, whichever provides the most frequent sampling of each class and size. The minimum axial tensile strength shall be determined from the average of the test results of three specimens cut from the sample when using the apparatus and procedure of ASTM D638, except the provisions for maximum thickness shall not apply; or ASTM D2105, depending on the size of the pipe specimens to be tested.
Fiberglass pressure pipe by AWWA