Jeres l-610 nonmetallic piping

Jubail Export Refinery Engineering Standard

JERES-L-610 Non Metallic Piping and

Equipment

Revision 1

Responsibility JER Engineering Division

10 September 2008


JERES-L-610 Rev. 1 Non Metallic Piping and Equipment 10 September

2008

This document is the property of Jubail Export Refinery and no parts of this document shall be reproduced by any

means without prior approval by the Company.

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Revision Tracking

Revision Revision Date Scope of Revision

1 10 September 2008 Revised to update page numbering.

0 29 April 2008 Issued for bid package.

03 24 April 2008 To incorporate equipment as part of this standard

02 31 March 2008 Issued for bid package only for review

01 03 August 2007 The first official JERES-L-610 is issued.

00 16 February 2007 First draft issued is based on Saudi Aramco SAES-L-610 “Nonmetalling Piping” issue date November 30, 2005. Document was modified to incorporate amendments and modifications.



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Table of Contents

Section Contents Page

1 Scope 4

2 Conflicts, Deviations and Clarifications 4

3 References 4

4 Definitions 6

5 Limitation 6

6 Installation, Testing and Inspection 10



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Scope

This Standard covers requirements and limitations for the design, installation and testing of non-metallic piping and equipment in all areas and in all applications, except for plumbing systems in buildings, which are covered by JERES-S-060. Non-metallic tanks are not part of this standard.

This Standard supplements the requirements of ASME B31 Series, Code for Pressure Piping and the ASME-X for equipment.

2 Conflicts, Deviations and Clarifications

2.1 Any conflicts between this standard and other applicable Company Engineering Standards (JERES), Material Specifications (JERMS), Standard Drawings (JERSD), Engineering Procedures (JEREP), Company Forms or Industry standards, specifications, Codes and forms shall be brought to the attention of Company Representative by the Contractor for resolution.

Until the resolution is officially made by the Company Representative, the most stringent requirement shall govern.

2.2 Where a licensor specification is more stringent than those of this standard, the Licensor’s specific requirement shall apply.

2.3 Where applicable Codes or Standards are not called by this standard or its requirements are not clear, it shall be brought to attention of Company Representative by Contractor for resolution.

2.4 Direct all requests for deviations or clarifications in writing to the Company or its Representative who shall follow internal Company procedure and provide final resolution.

3 References

The selection of material and equipment, and the design, construction, maintenance, and repair of equipment and facilities covered by this standard shall comply with the latest edition of the references listed below as of the CUT-OFF DATE as specified in the Contract unless otherwise noted.

Company References

Company Engineering Standards



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JERES-B-017 Fire Water System Design

JERES-L-105 Piping Material Specifications

JERES-L-132 Velocity Criteria and Basic Material Selection for Process Piping

JERES-S-020 Industrial Drainage and Sewers

JERES-S-040 Jubail Export Refinery Water Systems

JERES-S-050 Sprinkler and Standpipe Systems in Buildings

JERES-S-060 Plumbing Code

JERES-S-070 Installation of Utility Piping Systems

Company Materials Specifications

JERMS-L-1029 Unrestrained Gasketed Joint RTR Sewer Pipe and Fittings

JERMS-L-1034 RTR (Fiberglass) Pressure Pipe and Fittings

Industry Codes and Standards

American Society of Mechanical Engineers

ASME B31.3 Chemical Plant and Petroleum Refinery Piping

ASME X Fiber-reinforced Plastic Pressure Vessels

American Society for Testing and Materials

ASTM D1785 Polyvinyl Chloride Plastic Pipe

ASTM D4024 Reinforced Thermosetting Resin (RTR) Flanges

Uniform Plumbing Code

American Water Works Association

AWWA C950 Fiberglass Pressure Pipe

Other References



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Saudi Arabian Standards Organization

SASO SSA/14 Pipes of Unplasticized Plastic for Potable Water

4 Definitions

4.1 Definitions presented in this Standard and other JER documents have precedence over other definitions. Conflicts between various definitions shall be brought to the attention of Company Representative by the Contractor for resolution.

Company: Jubail Export Refinery.

Company Representative: A designated person from the Company or an assigned third party representative.

Company Inspector: A designated person or an agency responsible for conducting inspection activities on behalf of the Company.

4.2 List of Definitions

Purposely left blank.

5 Limitation Plastic pipe and equipment may involve proprietary materials and designs that are not well covered by industry standards. The safety and reliability aspects vary with product, piping, equipment design, and installation, inspection, testing, etc. Temperature limits are given in table 1, appendix A.

Materials

The use of non-metallic piping is prohibited in hydrocarbon services except of particular application, which require Company Representative approval and as follow.

Exceptions:

1) RTR (Fiberglass) piping for aviation refueling facilities shall be in accordance with JERMS-L-1034 provided it is buried, its size is limited to maximum 4-inch nominal pipe size and the joints are adhesive bonded. Additional protection shall be provided to ensure the integrity of the system against physical damage. As a minimum, red concrete slabs shall be laid midway between the pipe and grade, and markers indicating the location of the buried pipe shall be installed at intervals not exceeding 30 m.



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2) RTR piping if accepted for oily water sewer services as per JERES-S-020, shall be in accordance with JERMS-L-1034 utilizing epoxy resin with restrained joints as defined in AWWA C950, and buried. The use of nonmetallic pipe for any hydrocarbon service, including oily water sewers, is prohibited on offshore structures.

3) RTR piping, if used for pressure sewer services as defined in JERES-S-020, shall be in accordance with JERMS-L-1034 utilizing epoxy resin with restrained joints as defined in AWWA C950 and buried.

4) RTR (Fiberglass) piping for flue gas blow down system shall be in accordance with JERMS-L-1034 provided it is buried, and the joints are restrained type as defined in AWWA C950. The intended service shall conform to the RTR piping manufacturer's recommended temperature and pressure limits.

RTR piping is approved for use in firewater service. It shall be in accordance with JERMS-L-1034 with restrained joints as defined in AWWA C950 and buried. Refer to JERES-B-017 for fire water system design.

RTR piping, if approved to be used for other than firewater and hydrocarbon services on offshore structures shall be in accordance with JERMS-L-1034 with restrained joints as defined in AWWA C950.

PVC piping including PVC/UPVC and CPVC, if approved to be used in services not listed in any other Company Engineering Standards, shall be in accordance with ASTM D1785, Schedule 80 or SASO SSA/14, Class 5 for pressure service and ASTM D1785, Schedule 40 or SASO SSA/14, Class 3 for non pressure service. Refer to JERES-L-005 for pipe sizes limitations.

Plastic pipes, equipments, fittings, and plastic valves that do not have built-in protection from Ultraviolet (UV) light (exposed to sunlight) shall be shielded by painting with an exterior-grade, water-based emulsion, or tapewrap with UV resistant pressure sensitive tape utilizing adhesive that will not affect the plastic material.

The use of metal piping with an internal thermoplastic lining is limited to those specific services listed by Underwriters Laboratories (UL).

Acrylonitrile-butadiene-styrene (ABS) and polybutylene (PB) piping shall not be used for new installations. These materials may be used for maintenance including replacement at existing ABS and PB installations.

Asbestos cement piping shall not be used.



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Equipment in RTR or any other non metallic construction material must be limited in temperature in order to comply with the maximum allowable pressure as describe in the ASME X.

Design

Allowable pressure/temperature ratings for RTR piping shall be in accordance with JERMS-L-1034 and JERMS-L-1029.

Threaded flanges shall not be used on non-metallic piping systems.

Lap joint flanges may be used if one piece construction flanges are not available within the industry at the specified nominal pipe sizes. Prior approval from the Company Representative is required.

For RTR piping system, pre-qualified jointing procedures and methods in accordance with JERMS-L-1034, shall be used.

Threaded joints and unions may be used for thermoplastic piping except PVC pipes, (see UPC Section 606.2.2) 15 mm through 50 mm nominal pipe sizes only, provided they are factory made. Prior approval from the Company Representative is required for the use of factory made threaded joints and unions of larger nominal pipe sizes and alternate material types.

Branch connections to threaded metallic piping may only be used for RTR pipe up to and including 75 mm nominal pipe size, provided they are factory made.

Flexibility requirements of non-metallic piping system shall be as follows:

a) Flexibility, support and anchoring requirements shall be in accordance with ASME B31.3 Chapter VII. This requirement also applies to off-plot applications.

b) Flexibility, if required, shall be provided by using bends, loops, offsets, bellows, expansion joints and slip joints.

c) Cold spring is not permitted in non-metallic piping systems.

Vessels shall be designed for future field hydrostatic testing with water to the maximum liquid level or the overflow, in its operating position. The additional thickness provided in excess of thickness required for strength, may be considered as effective in calculating hydrostatic test stresses only.



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The maximum deflection of vertical vessels for all loadings, except earthquake, shall not exceed H/100, or as defined by the fabricator for his specific material, under normal operating loads, including wind load as specified by the Company Engineer. (H is the overall vessel height from the base of the support ring to the top of the vessel.). If required, appropriate supports should be present. Installation and location should be Company Representative's approved.

Nozzles on equipment should fit the requirements for piping (paragraphs 5.2.3 to 5.2.6 and 5.3). They should have NPS of 2" (50mm) and larger unless approved by the Company Representative.

Flanges shall not be located within the skirt in order to reduce the chance of leakage and also to facilitate inspection. If a dissimilar material joint weld must be located inside the skirt, Company Representative's approval is required. Flanges drilling holes shall comply with ANSIB16.5 bolt holes to straddle respective centerlines.

Manways shall be provided for all process vessels with diameters larger than 910 mm. Smaller vessels shall have handholes or flanged heads, or both, as specified. Manway and handhole quantity and locations will be specified by the vendor or on the Purchasing order. Manways shall have a minimum clear inside diameter of 480mm (19"). Blind flange type clsing device is preferred. The design and use of quick opening closures shall be approved by the Company Representative. Detailed drawings and calculations, including safety devices, shall be submitted for approval.

Additional Requirements

Flanged joints shall have the following requirements:

a) Flanged joints on non-metallic piping system shall be made with flat face flanges and full-faced elastomeric gaskets.

b) Flanges shall have pressure rating equal to or greater than the non-metallic piping pressure rating.

c) Bolt tightening procedures and maximum torque for bolting on non-metallic flanges shall be in accordance with ASTM D4024.

d) Washers shall be used for bolting non-metallic flanges.

Transition from non-metallic to metallic piping shall be done in a manner that the weight of metallic piping shall not be transferred to non-metallic piping (PVC female threaded fittings are prohibited by UPC Section 6.2.2), and flexibility requirements shall be taken into account separately for both piping materials.



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Transition from non-metallic to metallic piping in firewater and oily water sewer services shall be made underground or in a buried valve box.

In pressurized systems, connections to metal valves, larger than 50 mm nominal pipe sizes, shall be by means of flanges.

Non-buried metal valves including metal valves in buried valve boxes, shall be supported independently of non-metallic piping. In buried condition, metal valves 4 inch in size and larger shall be supported independently of non-metallic piping.

Non-metallic pipe shall be carried through a metallic sleeve in a valve box wall. Non-metallic sleeve is acceptable provided the sleeve shall have mechanical characteristics and properties at least similar to that of the pipe passing through the sleeve. The space between the pipe and sleeve shall be sealed with approved flexible waterproof mastic sealant.

The distance between the valve box wall and the back of the non-metallic flange, inside the valve box, shall be not less than 150 mm to permit work access.

Non-metallic piping in water systems, covered within the scope of JERES-S-040, shall conform to the requirements of JERES-S-040 for aboveground applications.

Non-metallic piping shall not be used aboveground outside buildings for firewater and fire extinguishing systems; neither shall it be used for firewater services on offshore structures. Refer to JERES-S-050 for non-metallic piping in fire water systems inside buildings, and JERES-B-017 for fire water system design.

Non-metallic piping joints shall be clear of concrete anchor blocks. Thrust block requirements on non-metallic pipe shall be in accordance with JERES-S-070.

Refer to JERES-L-132 for the requirements and limitations regarding chemical, mechanical and dimensional properties including maximum allowable flow velocities in non-metallic piping systems.

6 Installation, Testing and Inspection

Piping:

This Standard adopts the requirements of JERES-S-070, "Installation of Utility Piping Systems."

Installation (including joint make-up) shall be in accordance with Manufacturer's specification.



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Plastic spacers are permitted between plastic-lined pipe and other types of flanged equipment in non-flammable or non-combustible service. Spacers longer than 13mm shall be armored. Spacer locations shall be indicated on As-Built drawings.

Polyethylene piping shall be joined by heat fusion welding only. Flanges shall be used, as required, to connect dissimilar systems. Refer to paragraph 5.3.1.

Mechanical joints that incorporate O-ring seals are acceptable for RTR piping. Bell and spigot joints using elastomeric seals are acceptable for underground RTR pipe.

Inspection of thermoplastic and thermoplastic-lined pipe and fittings shall be per ASTM F 1545

RTR pipe shall be inspected and tested per AWWA C950

After installation, plastic piping shall not be hydrostatically tested until all fusion joints have cooled to ambient temperature and all solvent cemented joints or adhesive bonded joints have fully cured.

Equipment:

Vessels shall be install on continuous concrete base. The vessel should shall rest on a 12mm thick neoprene pad.

Horizontal drums on saddle supports shall be investigated for buckling, local circumferential bending, and shear stresses.

7 Documentation

Designer will supply temperature, pressure and fluid service conditions.



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Appendix A:

Table 1: Temperature Limits for Plastic Pipe

Temperature Limitation(1) Minimum Maximum(2) Material

[°F] [°C] [°F] [°C] PP (Polypropylene) 30 –1 210 99 PVDC (Polyvinylidene Chloride) 40 5 160 71 PTFE (Polytetrafluoroethylene) –20 –29 500 260 FEP (Perfluoro (Ethylene-Propylene)

(Copolymer) –20 –29 300 149

ETFE (Ethylene-tetrafluoroethylene) –20 –29 300 149 PFA (Perfluoroalkoxy) –20 –29 500 260 PVDF (Polyvinylidene Fluoride) 0 –18 275 135 Notes to Table 1: (1) For exposure to corrosive environments, the recommendation of the pipe

manufacturer shall be submitted for review by the Company Representative. (2) Values represent maximum design temperature of contained fluid.

Jeres l-610 nonmetallic piping

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