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PURCHASE SPECIFICATIONS

SPECIFICATIONS FOR DECIDING PROCUREMENT

KLAKSHMINARAYANAN
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PURCHASE SPECIFICATIONS

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  1. PurchaseSpecifications K.Lakshminarayanan, Asst.Training Officer Hi-Tech

  2. PurchaseSpecification? Precise description of quality material required to be procured for the purpose it is meant for OR It enables to confirm the receipt of material and inspection of goods by end user or at stores

  3. Forms of Purchase Specifications Standard specification Blue print or dimensioned drawing Chemical analysis & Physical characteristics report Materials/ method of manufacture Description of purpose or use Vendor sample Buyer sample Requirements of code of standards/ Quality standards

  4. Standard specification Description of purpose intended for Commercial standards of specification Included with units of purchase Included with packing specifications Capable of being checked with acceptable testing methods Incorporated with Code of practice or International standards

  5. Blue print or dimensioned drawing Easy method for checking against specification when item received Advisable as safe method for inspection

  6. Chemical analysis & Physical characteristics Ideal for raw material procurement To conform metallic class / grade Can be accepted by laboratory test certificate

  7. Materials / method of manufacture Often used in conjunction with inspection at vendors plant / workshop

  8. Description of purpose or use Purchase of material or tools which are new to trades Where no particular knowledge about modern or latest equipment / machines

  9. Vendor sample Suitable for purchase of basic ores/ metals Products of which quality is not readily measurable

  10. Buyer sample Recommended only where no other type of specifications is possible Sample too often subject to change, loss or misinterpretation Where adequate record of purchase is available for reference

  11. Requirements of Quality standards Specification from which to work Checking material bought against the specification Most satisfactory form of specification

  12. Specifications as required for procurement (as per the guidelines provided by SPIU) • The specifications shall be suitable to impart training as per the prescribed syllabus. • Unbiased technical specifications shall be prepared without mentioning brand names, catalogue numbers, make & model numbers • While preparing specifications use BIS code numbers for standards wherever necessary.

  13. Example of Blue print or dimensioned drawing • Civil construction or building structures • User defined equipments • Tailor made machines • Fabricated structures

  14. Example of Chemical analysis & Physical characteristics For raw materials like metal sections For chains and wire ropes used in material handling/ lifting

  15. Example of Materials / method of manufacture • For cutting tools HSS-Cobalt % • For spanners drop forged chrome vanadium steel • For hardness values in HRC • For pipes ERW or seamless • For sheets CRCA

  16. Example of Description of purpose or use Trainers Simulators Experiment test rig

  17. Example of Vendor sample Plastics Fuel-coal / coke chemical / lubricants leathers textile products involving colour

  18. Example of Buyer sample Printed forms / certificates Machine parts / elements Maintenance spares

  19. Example of Code of standards/Quality standards • BIS (formerly known as Indian standards Institution -ISI) • ISO • Safety standards • Environmental standards

  20. EPILOGUE Purchasing organisation is complete only with references to various directories of specifications and copies of individual specifications applying to particular field of engineering / industry/ institution

  21. Thank you

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