Under Ground RTR Piping Installation April 2020 REINFORCED










































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Under Ground RTR Piping Installation April 2020 REINFORCED THERMOSETTING RESIN PIPE
RTR pipe and fittings for Utility Water (UW), Sanitary Water Sewer (SWS), Fire Water (FW) Drinking Water (DW), and Oily Waste Sewer(OWS). 3
U/G RTR PIPING INSTALLATION CONTENTS 1. PURPOSE 2. SCOPE 3. RESPONSIBILITIES 4. TOOLS 5. ITP and CHECKLIST 6. ARAMCO REQUIREMENTS 7. QUALIFICATION OF INSTALLERS 8. MATERIAL HANDLING and STORAGE 9. INSPECTION BEFORE ASSEMBLY 10. ASSEMBLY OF RTR PIPING 11. INSTALLATION 12. LAYING AND ASSEMBLY 13. INSPECTION AND TESTING 14. REPAIR METHOD 15. THRUST BLOCKS 16. BACKFILLING 17. PREPARATION FOR USE 4
U/G RTR PIPING INSTALLATION 1. PURPOSE Guidelines for the installation, testing and inspection. 2. SCOPE OF WORK To provide all details and work sequence 3. RESPONSIBILITIES ØConstruction Team ØQualified Installers ØQC Inspector 5
U/G RTR PIPING INSTALLATION 4. TOOLS ØShaving Tools ØElectric Power Drive ØHacksaw, Disc Grinder or Power Jigsaw ØFlapper Wheel Sanders ØPairs of Winches or Come-alongs ØBand Clamps with Puller Rings ØMeasuring Tapes ØPi-tape , Vernier Caliper ØClean Cloth or Clean Brush ØPipe fitters Wrap Around, Level and Marker ØHeating Blankets ØGloves, Dustmasks and Googles ØTents (due to weather conditions) 6
U/G RTR PIPING INSTALLATION 5. ITP and CHECKLIST SATIP-S-70 -03 SAIC-S-4054 RTR & Thermoplastic Pipe Installer Qualifications SAIC-S-4055 RTR and Thermoplastic Piping Receiving Pressure and Sewer Pipe SAIC-S-4056 RTR and Thermoplastic Piping Handling, Storage and Preservation SAIC-S-4058 Assembly and Laying of RTR piping 7
U/G RTR PIPING INSTALLATION 6. ARAMCO REQUIREMENTS ØTo comply as per standard (SAES-S-070) requirements. 7. QUALIFICATION OF INSTALLERS ØTraining Certificates ØJCC Card 8
U/G RTR PIPING INSTALLATION 8. MATERIAL HANDLING AND STORAGE 9
STACK OF RTR PIPES 10
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U/G RTR PIPING INSTALLATION 9. Inspection Before Assembly Ø Scratches, damaged ends, cracks, delamination, crushing, weathering. Ø Cracked O-rings and gaskets. Ø Cleaned and dried before installation. Ø Solvent and adhesives that expire, gelled and leaking container shall be discarded. 12
U/G RTR PIPING INSTALLATION 10. ASSEMBLY OF RTR PIPING Ø Joints shall be assembled in accordance with the manufacturer’s recommendation for a specific application. TYPES OF JOINT Ø Ø Ø Rubber Seal Key-Lock Joint Taper Joint (Adhesive Bonded) Flange Joint Lamination Joint Mechanical Coupler 13
RUBBER SEAL KEY-LOCK JOINT 14
KEY-LOCK JOINT INSTALLATION 15
KEY-LOCK JOINT INSTALLATION 16
TAPER JOINT (ADHESIVE BONDED) 17
TAPER JOINT (ADHESIVE BONDED) 18
CURING FOR ADHESIVE BONDED JOINT 19
BUTT AND WRAP JOINT (LAMINATION) 20
LAMINATION PHOTOS 21
CURING FOR LAMINATION JOINT 22
FLANGE JOINTS 23
BOLT TIGHTENING OF FLANGE CONNECTION 24
U/G RTR PIPING INSTALLATION 11. INSTALLATION ØTrench Construction ØExcavation ØSand bedding ØInternal Cleanliness ØElevation and Centerlines 25
TRENCH CONSTRUCTION (Trench Width) 26
TRENCH CONSTRUCTION 27
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U/G RTR PIPING INSTALLATION 12. LAYING AND ASSEMBLY ØInspection for damaged and internal cleanliness ØLowered pipes in the trench by using ropes or lifting straps. ØPipes with adhesive bonded joints can be assembled beside the trench end. ØNever move the joint during curing. ØThe pipes must be laid in the middle of the trench at the required B. O. P. level. 29
LAYING AND ASSEMBLY ØAfter the joint had been made the space below the joint must be carefully backfilled and tamped in order to provide full support of the pipe. ØNo joint shall be made during sandstorm or dusty weather for adhesive bond joint or lamination joint. 30
LAYING AND ASSEMBLY 31
U/G RTR PIPING INSTALLATION 13. INSPECTION AND TESTING ØVisual Inspection ØHydro Test ØGravity Test 32
HYDROTEST 33
U/G RTR PIPING INSTALLATION 14. REPAIR METHODS Field repair of RTR pipe shall be made in accordance with the pipe manufacturer’s prequalified repair procedure and SAES-S-070 sec. 20 34
U/G RTR PIPING INSTALLATION 15. THRUST BLOCKS 35
U/G RTR PIPING INSTALLATION 15. THRUST BLOCKS 36
U/G RTR PIPING INSTALLATION 16. BACKFILLING Minimum Cover Over Top of Pipe 37
U/G RTR PIPING INSTALLATION BACKFILLING Minimum Compaction 38
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U/G RTR PIPING INSTALLATION 17. PREPARATION FOR USE ØPotable water (raw water and drinking water) lines shall be disinfected before placed in service. (SAES-S-040) (Saudi Aramco Sanitary Code-G 1 -0151. 006) ØSewers lines shall be flushed with water to remove foreign matter. 40
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