The International Association of Oil & Gas Producers (IOGP) Joint Industry Programme (JIP)33 published its eighth and ninth Phase 3 specifications S-712 General Purpose Gear Units and S-713 Special Purpose Gear Units.
General-purpose specification defines a minimum common set of requirements for procuring general-purpose gear units in accordance with API Standard 677 (Third Edition, November 2016) General-Purpose Gear Units for Petroleum, Chemical and Gas Industry Services.
Special-purpose specification defines a minimum common set of requirements for procuring special-purpose gear units in accordance with ANSI/API Standard 613 (Fifth Edition, August 2007) Special Purpose Gear Units for Petroleum, Chemical and Gas Industry Services.
Both specifications follow a common document structure comprising four documents shown below, which together with the purchase order define the overall technical specification for procurement.
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The specifications are to be applied in conjunction with the supporting data sheet, quality-requirements specification, and information-requirements specification.