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10 11 QUALITY CONTROL Quality Facilities InterWrap’s manufacturing facilities maintain high capacity testing laboratories outfitted with modern equipment capable of performing most of the referenced tests . InterWrap also utilizes hard and soft Quality Management database to house all of its raw material product specifications, raw material and finished fabric product inspection plans and records, and related process inspection data . Quality Assurance Incoming Raw Materials InterWrap Group has developed and maintains full specifications for the resins used in the manufacture of Geomembranes sheet . Resins Resins are the base polyolefin materials used in the manufacture of Geomembranes fabrics . Each resin lot is provided with a product quality certification from the vendor . All incoming resins are inspected and tested prior to production use . Inspection results are entered into InterWrap’s different tools MS Log Quality Management Database . InterWrap has developed clear policies for the identification and traceability of resin material to ensure that only tested and approved materials are used in the manufacture of Geomembrane fabric . Additive Masterbatches Various additive masterbatches are blended with natural resins in different proportions to achieve the desired properties of Geomembrane fabric . All masterbatches are purchased and verified against the approved material specifications before these are released to manufacturing . Product Identification and Traceability InterWrap has developed a system to identify the Geomembrane products . Each Geomembrane product is assigned with a unique product identifier or stock keeping unit (SKU) . An enterprise resource planning (ERP) software is utilized to manage these product identifiers . Each Geomembrane roll is labelled with the product identifier, job number, roll number and the product description . Details of the labelling specifications are provided in Appendix E - Finished Product Packaging and Labelling . Any Geomembrane roll that does not meet the product specifications is identified and segregated to prevent its release or delivery . The process owner of a quality system database maintains the records of non-conforming Geomembrane products . The traceability of raw materials and Geomembrane product lot is maintained in the electronic quality system database and the ERP software . Quality Control Capabilities InterWrap’s manufacturing facilities maintain a quality control system with capabilities anchored on three facets: QUALITY CONTROL 3 . Methods: Industry standard test methods are employed to monitor the product quality . Sampling and Inspection Plans InterWrap has instituted a product inspection system that is guided by industry standards and by customer requirements . A Geomembrane lot must meet both the sampling and inspection requirements to qualify for shipment . Finished Geomembrane Sampling and Testing Specifications define the minimum sampling and testing protocol for all Geomembrane products . A selection of roll samples from each manufacturing lot is retained should future testing be required . These samples have the same label information as the Geomembrane rolls . The storage method prevents the deterioration of the samples . Inspection Records InterWrap maintains a quality system database to collect, store and analyze the inspection data . All the inspection data are available to different work groups within the organization . InterWrap can provide signed mill certificates for each Geomembrane lot or roll produced . The mill certificate provides the actual results for the specified quality attributes and validates that each product meets the Geomembrane roll specifications as published on the InterWrap website or as submitted by the InterWrap authorised personal to the respective customer for the respective product . Verification and Approval . The InterWrap quality system requires that the test results have to be reviewed and signed off or Acknowledged by approving authorities prior to shipment for their correctness within specification . This prevents the shipping of Geomembrane rolls that do not meet the product specifications . The Quality system database indicates the status of a Geomembrane roll . The database is integrated with the shipping process through existing process controls . When necessary, an independent verification is carried out by an external laboratory . The selection of a third-party laboratory is done in concurrence with the customer requirements . Finished Product Packaging and Labelling The packaging and labelling specifications are communicated to the production group through the job order # system . The Geomembranes rolls are weather resistant and do not require further packaging . The minimum packaging and labelling requirements are indicated in the Finished Geomembrane Packaging and Labelling Specifications . Records Control and Documentation The documentation required to effectively implement the quality system are electronically controlled and maintained . The majority of the quality and manufacturing records are maintained electronically in soft files and hard files as well . A back-up and redundancy protocol is in placed to ensure that electronic records are available and protected . The quality system defines the accountability, method and retention period for all paper- based quality and manufacturing records . 1 . 2 . People: The required testing are performed by highly capable and well trained personnel . Training programs of personnel are on file for review . Equipment: State-of-the-art equipment that is suitable for performing the required product testing . Calibration and maintenance records are on file for review . 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