The purpose of the IOGP S-618 specification documents is to define a minimum common set of requirements for the procurement of offshore pedestal-mounted cranes in accordance with API Specification 2C, 8th Edition, published October 2020 and Errata 1, published June 2021, Offshore Pedestal-mounted Cranes, for application in the petroleum and natural gas industries. The IOGP S-618 specification documents follow a common structure comprising a specification, also known as a technical requirements specification (TRS), a procurement data sheet (PDS), an information requirements specification (IRS) and a quality requirements specification (QRS). These four specification documents, together with the purchase order, define the overall technical specification for procurement.