PurchasePurchase SpecificationsSpecifications

PurchasePurchase Specification?Specification?

Precise description of quality Precise description of quality material required to be procured material required to be procured for the purpose it is meant forfor the purpose it is meant for

ORORIt enables to confirm the receipt of It enables to confirm the receipt of material and inspection of goods material and inspection of goods by end user or at storesby end user or at stores

Forms of Purchase SpecificationsForms of Purchase Specifications

Standard specification Standard specification Blue print or dimensioned drawingBlue print or dimensioned drawing Chemical analysis & Physical characteristics Chemical analysis & Physical characteristics

reportreport Materials/ method of manufactureMaterials/ method of manufacture Description of purpose or useDescription of purpose or use Vendor sampleVendor sample Buyer sampleBuyer sample Requirements of code of standards/ Quality Requirements of code of standards/ Quality

standardsstandards

Standard specificationStandard specification

Description of purpose intended forDescription of purpose intended for Commercial standards of specificationCommercial standards of specification Included with units of purchaseIncluded with units of purchase Included with packing specificationsIncluded with packing specifications Capable of being checked with Capable of being checked with

acceptable testing methodsacceptable testing methods Incorporated with Code of practice or Incorporated with Code of practice or

International standardsInternational standards

Blue print or dimensioned drawingBlue print or dimensioned drawing

Easy method for checking against Easy method for checking against specification when item receivedspecification when item received

Advisable as safe method for Advisable as safe method for inspectioninspection

Example of Example of Blue print Blue print oror dimensioned drawing dimensioned drawing

Civil construction or building structuresCivil construction or building structures User defined equipmentsUser defined equipments Tailor made machinesTailor made machines Fabricated structuresFabricated structures

Chemical analysis Chemical analysis & Physical characteristics& Physical characteristics

Ideal for raw material procurementIdeal for raw material procurement To conform metallic class / gradeTo conform metallic class / grade Can be accepted by laboratory test Can be accepted by laboratory test

certificatecertificate

Example of Chemical analysis Example of Chemical analysis & Physical characteristics& Physical characteristics

For raw materials like metal For raw materials like metal sectionssections

For chains and wire ropes used in For chains and wire ropes used in material handling/ liftingmaterial handling/ lifting

Materials / method of manufactureMaterials / method of manufacture

Often used in conjunction with Often used in conjunction with inspection at vendors plant / inspection at vendors plant / workshopworkshop

Example of Example of Materials / method of manufactureMaterials / 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

Description of purpose or useDescription of purpose or use

Purchase of material or tools which Purchase of material or tools which are new to tradesare new to trades

Where no particular knowledge Where no particular knowledge about modern or latest about modern or latest equipment / machinesequipment / machines

Example of Example of Description of purpose or useDescription of purpose or use

TrainersTrainers SimulatorsSimulators Experiment test rigExperiment test rig

Vendor sampleVendor sample

Suitable for purchase of basic Suitable for purchase of basic ores/ metals ores/ metals

Products of which quality is not Products of which quality is not readily measurablereadily measurable

Example of Vendor sampleExample of Vendor sample

PlasticsPlastics Fuel-coal / cokeFuel-coal / coke chemical / lubricantschemical / lubricants leathersleathers textiletextile products involving colourproducts involving colour

Buyer sampleBuyer sample

Recommended only where no other Recommended only where no other type of specifications is possibletype of specifications is possible

Sample too often subject to change, Sample too often subject to change, loss or misinterpretationloss or misinterpretation

Where adequate record of purchase is Where adequate record of purchase is available for referenceavailable for reference

Example of Buyer sampleExample of Buyer sample

Printed forms / certificatesPrinted forms / certificates Machine parts / elements Machine parts / elements Maintenance sparesMaintenance spares

Requirements of Quality standardsRequirements of Quality standards

Specification from which to workSpecification from which to work Checking material bought against Checking material bought against

the specificationthe specification Most satisfactory form of Most satisfactory form of

specificationspecification

Example of Example of Code of standards/Quality standardsCode of standards/Quality standards

BIS (formerly known as Indian standards BIS (formerly known as Indian standards Institution -ISI)Institution -ISI)

ISOISO Safety standardsSafety standards Environmental standardsEnvironmental standards

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.

EPILOGUEEPILOGUE

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