This article is about RTR and Thermoplastic Piping Material Receiving Inspection for Pressure and Sewer Pipe and Technical Requirement in commercial buildings, plants and refinery projects related to Plumbing Engineering System as per international codes and standards.
RTR and Thermoplastic Piping Material Receiving Inspection (Pressure and Sewer Pipe)
Delivered equipment/material shall be free of damage
Verify that all the requirements specified on the Saudi Aramco Inspection Requirement form 175-012000 for RTRP and RPMP have been met.
The Vendor shall provide the parts’ data and documentation as specified in Form NMR-7930, Nonmaterial Requirements, if the form is attached to the Quotation Request and the Purchase Order
“All components shall clearly be marked. The marking shall include the following:
• Manufacturer’s name or trade name, and identification code
• Pressure/temperature rating
• Nominal diameter
• Cell classification in accordance with manufacturing industry
standards (See item No. A9 in this check list)
• Inspection and hydrotesting mark
• Date and shift of manufacture
• SAMS stock number (if applicable)
• Purchase Order number
• Flange designation code
• Seal or Mark of the certifying organization (such as NSF for potable water certification or FM for Fire Water Certification) shall be indicated on the pipe as applicable.
Note: Marking shall remain legible under normal handling and installation”
Verify that stenciled paint markings or labels are covered by a catalyzed resin topcoat. Adhesive-bonded paper or plastic labels without a catalyzed resin topcoat shall not be used.
Small fittings and flanges that cannot be marked shall be tagged.
“All pipes, fittings, flanges, and gaskets material shall be sourced from approved manufacturers by Saudi Aramco)
Note: SAES-L-101 lists all the approved manufacturers”
All pipes, fittings, flanges, and gaskets material shall comply with the applicable Saudi Aramco & Industry Specifications and confirmed through proper material identification and certifications.
All pipes, joints, fittings, coupling, flanges and spools shall be identified by cell classifications method stated in Table 1.
Table 1 – Cell Classifications** |
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| Service | Pipe Size | Pressure Rating | Classification | |||||||||||||||||||||||||||||||||||||||||||||
| Water | 25 mm – 3600 mm | 10 bar (150 psig)- 18 bar (250 psig) |
AWWA C-950-01 | |||||||||||||||||||||||||||||||||||||||||||||
| Water | 25 mm – 400 mm | 20 bar (300 psig)- 70 bar (1000 psig) |
API 15LR | |||||||||||||||||||||||||||||||||||||||||||||
| Sanitary & Oily Water Sewer | 200 mm – 3600 mm | Up to 18 bar (250 psig) | ASTM D3754* | |||||||||||||||||||||||||||||||||||||||||||||
| Other fluids | 25 mm – 400 mm | Up to 70 bar (1000 psig) | API 15LR | |||||||||||||||||||||||||||||||||||||||||||||
*For pipes to be installed in buried application
**Equivalent cell classifications by other ASTM standards such as ASTM D2996, are also acceptable.
International Codes and Standard References for RTR and Thermoplastic Piping
1- 01-SAMSS-034 – RTR (Fiberglass) Pipe and Fittings.
2- SAES-L-350 – Construction and Plant Piping.
Sanitary Sewer Pipe LayOut and Design Guidelines
Sanitary Sewer Manhole Installation & Inspection Checklist