2021-06-24_REVISION - M2012032 - Laserfiche WebLink

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ASME B31.3-2016 (b) In addition to the procedure for making the bonds, (a) Test Assembly. The assembly shall be fabricated in the BPS shall specify at least the following: one pipe size in accordance with the BPS and shall con- (1) all materials and supplies (including storage tain at least one of each different type of joint identified requirements) in the BPS.More than one test assembly may be prepared (2) tools and fixtures (including proper care and if necessary to accommodate all of the joint types or to handling) assure that at least one of each joint type is loaded in (3) environmental requirements (e.g.,temperature, both circumferential and longitudinal directions. The humidity, and methods of measurement) size of pipe and fittings in the assembly shall be as (4) joint preparation follows: (5) dimensional requirements and tolerances (1) When the largest size to be qualified is DN 100 (6) cure time (NPS 4)or smaller,the test assembly shall be the largest (7) protection of work size qualified. (8) tests and examinations other than those (2) When the largest size to be qualified is greater required by para. A328.2.5 than DN 100 (NPS 4),the size of the test assembly shall (9) acceptance criteria for the completed test be between 25% and 100% of the largest piping size assembly qualified,but shall be a minimum of DN 100 (NPS 4). (b) Burst Test Method. The test assembly shall be sub- A328.2.2 Procedure Qualification by Others. Subject jected to a burst test in accordance with the applicable to the specific approval of the Inspector,a BPS qualified sections of ASTM D1599 5 The time to burst in this stan- by others may be used provided that dard may be extended. The test is successful if failure (a) the Inspector satisfies him/herself that the initiates outside of any bonded joint. proposed qualified BPS has been prepared and executed (c) Hydrostatic Test Method. The test assembly shall be by a responsible recognized organization with expertise subjected to hydrostatic pressure of at least PT for not in the field of bonding less than 1 hr with no leakage or separation of joints. (b) by signature, the employer accepts both the BPS (1) For thermoplastics, PT shall be determined in and procedure qualification record (PQR) as his own accordance with eq. (27) (c) the employer has at least one currently employed bonder who, while in his employ, has satisfactorily PT = o.8oT�SS+SH) 27 passed a performance qualification test using the pro- D -T posed qualified BPS where A328.2.3 Performance Qualification by Others. D = outside diameter of pipe Without the Inspector's specific approval, an employer SH = mean long term hydrostatic strength (LTHS) shall not accept a performance qualification test made in accordance with ASTM D2837.Use twice the by a bonder or bonding operator for another employer. 23°C(73°F)HDB design stress from Table B-1 if If approval is given,it is limited to work on piping using listed, or use manufacturer's data. the same or equivalent BPS.An employer accepting such Ss = mean short term burst stress in accordance performance qualification tests shall obtain a copy of the with ASTM D1599,5 from Table B-1 if listed, performance qualification test record from the previous _ otherwise from manufacturer's data employer showing the name of the employer by whom T = nominal thickness of pipe the bonder or bonding operator was qualified,the date of such qualification,and the date the bonder or bonding (2) For RTR (laminated and filament-wound) and operator last bonded pressure piping under such per- RPM,PT shall be three times the manufacturer's allow- formance qualification. able pressure for the components being joined. A328.2.4 Qualification Records. The employer shall (3) The test shall be conducted so that the joint maintain a self-certified record, available to the owner is loaded in both the circumferential and longitudinal or owner's agent and to the Inspector, of the BPS used directions. and the bonders or bonding operators employed by A328.2.6 Performance Requalification. Renewal of him/her,and showing the dates and results of BPS quali- a bonding performance qualification is required when fications and bonding performance qualifications. A328.2.5 Qualification Tests. Tests, as specified in 5 Titles of referenced standards and specifications are listed in para. A328.2.1(a), shall be performed to qualify each Table A326.1,except ASTM D1599,Test Method for Resistance to BPS and the performance of each bonder and bonding Short-Time Hydraulic Pressure of Plastic Pipe,Tubing,and Fittings; operator.Test assemblies shall conform to(a)below and ASTM D2657,Practice for Heat Fusion Joining of Polyolefin Pipe and Fittings;ASTM D2855,Practice for Making Solvent-Cemented the test method shall be in accordance with either (b) Joints with PVC Pipe and Fittings;and ASTM F1290,Practice for or (c). Electrofusion Joining Polyolefin Pipe and Fittings.