Method Statement Underground GRPPiping Installation WorksTitle:Underground GRP Piping Installation ProcedureTCC Prepared ByName : Position :Signature :Date :DAELIM ApprovalName :Position :Signature :Date :Approved By ClientName :Position :Signature :Date :Rev. 0This Document is the property of TCC. Issued to, and used by others needs the written approval of the TCC Quality Manager.CONTENTS1.0 Purpose2.0 Scope 3.0 Reference4.0 Responsibilities5.0 Equipments and Tools6.0 Lamination Process Sequence7.0 Bonding Materials8.0 Receiving Handling and Storing of Pipe9.0 Arrange Pipe in Trench10.0 Joint Laminate Procedure11.0 Quality Requirements12.0 Safety Precaution13.0 Attachments1. PurposeThis method statement is to guide butt joint wrap lamination work of U/G GRP piping system in the Arabian Chlor Vinyl Project.2. ScopeThis Method Statement covers the field lamination joints installation method of underground GRP piping. This procedure is applicable to all U/G GRP pipe diameters.Related data of U/G piping GRP part is as following:System descriptionMaterial classDiameter rangeConnection MethodW WDGAANA4”,6”,8”,10”,12”,20Butt & wrap joint laminationACWDGAANA4”Butt & wrap joint laminationPCSDGAANA4”Butt & wrap joint lamination3. Reference1 The drawing of 080036-AA-DA-100201400207 U/G Composite DWG2 Specification:080036-AA-SG-007Specification for Underground Piping & Surface Drainage080036-XH-SG-003Specification for piping construction080036-XZ-SG-001Specification for Piping Design080036-QZ-PL-001Project Quality Plan080036-XH-SG-006Specification for Identification of Piping Material080036-XH-SL-005Specification for Piping Material AMIANTIT document:Field Butt & Wrap Joint Procedure For GRP/FRP PipingInstallation and Handling Instructions For Rigid Joint PipeField Lamination Process sheet4. Responsibilities4.1 GRP ManagerIn charge of all the activity during the GRP pipe construction. Mainly involve the safety, technique and quality problems during the construction, preparing and carrying out the construction schedules.4.2 QC SupervisorIn charge of skill training for all the personnel who will engage the GRP piping work, analyzing the safety issues and providing precautions. Applying for work permits4.3 QC InspectorCompiling QC precautions, solving the QC issues during GRP piping construction, taking part in quality inspection and acceptance and taking the major responsibilities for the quality of the GRP piping.5. Equipments and ToolsThe below items are used for the GRP Piping handling and Construction: Boom trucks, trailers and cranes, shackles, slings belts, supports, crosstie for piping transportation Angle grinder, diamond blades, die grinder and flap wheels for cutting and grinding Square basin, paint rollers, brushes and Steel grooved rollers for lamination Hot air dryer and Digital infrared thermometer for curing(if required) Measuring tape and Barcol hardness tester for lamination test. Mobile drum cradle, spill decks, plugless tap and steel gantries for resin store. Glass cutting table, rolling tubes, knives, blades and scissors for glass prepare. Buckets, Liquid storage containers, platform balance, stirrer, spill trays for resin measure and mixture. Dispensing bottles(or similar tools) and chemical agent bottles for measuring and bringing catalyst to site. Brass bristles, plastic brush, cleaning basin, duster cloth for tools cleaning.6. lamination Process SequenceMaterial receivingExcavation and bedding(by civil)TransportationAnd Arrange SpoolCutting(if required)GrindingInside cleanness Inspection and Fit uplaminating of JointVisual inspectionBarcol hardness testFull water testCoordinate and elevation measurement7. Bonding MaterialsUsed components RESIN: Epoxy vinyl ester resin supplied from Amiantit, and to be mixed it with catalyst.CATALYST: Methyl ethyl ketone peroxide .Mat & WOVEN ROVING: glass reinforcement for joint structure.BONDING MATERIALS STORAGE and USAGE:Details see attachment A: Field Butt & Wrap Joint Procedure Page 4 to 5.The location of resin, W-Fluid, catalyst & glass reinforcement container as show in figure 7-1 Figure 7-1Storage outline of chemical container details see attachment-F: Interior layout for Amiantit Resin & Catalyst8. Receiving, Handling and Storing of PipeDetails see attachment B: Installation and Handling Instructions For Rigid Joint Pipe Page 2 to 4.Inspecting Pipe All pipes receiving at site shall be inspected according to Specification for Piping Material. Broken pipe bundles, crushed fittings boxes should be checked ca