# HAR 6-77-90 Plastic pipe; qualifying persons to make joints

- **operation:** document
- **citation:** HAR 6-77-90
- **title:** HAR 6-77-90 Plastic pipe; qualifying persons to make joints
- **source type:** regulation
- **agency:** Hawaii Public Utilities Commission
- **status:** current
- **official:** true
- **published on:** 1994-04-15
- **effective on:** 1994-09-03
- **summary:** plastic pipe joint unless that person has been qualified under the applicable joining procedure by: (1) Appropriate training or experience in the use of the procedure; and (2) Making a specimen joint from pipe sections joined according to the procedure that passes the inspection and test set forth i
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/hi-har-har-6-77-90.json
- **markdown:** https://regulus.evalyn.ai/document/hi-har-har-6-77-90.md
- **app url:** https://regulus.evalyn.ai/document/hi-har-har-6-77-90
- **source url:** https://puc.hawaii.gov/wp-content/uploads/2026/04/HAR-6-77-Transp-of-Gas-03-31-2026.pdf
**body:**

plastic pipe joint unless that person has been qualified under the applicable joining procedure by: (1) Appropriate training or experience in the use of the procedure; and (2) Making a specimen joint from pipe sections joined according to the procedure that passes the inspection and test set forth in subsection (b). (b) The specimen joint must be: (1) Visually examined during and after assembly or joining and found to have the same appearance as a joint or photographs of a joint that is acceptable under the procedure; and (2) In the case of heat fusion, solvent cement, or adhesive joint: (A) Tested under any one of the test methods listed under section 6-77-89(a) applicable to the type of joint and material being tested; (B) Examined by ultrasonic inspection and found not to contain flaws that would cause failure; or (C) Cut into at least three longitudinal straps, each of which is: (i) Visually examined and found not to contain voids or discontinuities on the cut surfaces of the joint area; and (ii) Deformed by bending, torque, or impact, and if failure occurs, it must not initiate in the joint area. (c) A person must be requalified under an applicable procedure, if during any twelve month period that person: (1) Does not make any joints under that procedure; or (2) Has three joints or three percent of the joints made, whichever, is greater, under that procedure that are found unacceptable by testing under section 6-77-149. (d) Each operator shall establish a method to determine that each person making joints in plastic pipelines in his system is qualified in accordance with this section. [Eff ] (Auth: HRS '269-6) (Imp: 49 C.F.R. '192.285, October 1, 1990)
- **truncated:** false
- **body characters:** 1685