scope:

Coverage This specification covers the design manufacture and use of steel derricks portable masts crown block assemblies and substructures suitable for drilling and servicing of wells It includes stipulations for marking inspection standard ratings design loading, and design specifications of the equipment Definitions of commonly used terms are included in Appendix A

Policy

(1) American Petroleum Institute (API) Specifications are published as aids to the procurement of standardized equipment and materials as well as instructions to manufacturers of equipment or materials covered by an API Specification These Specifications are not intended to obviate the need for sound engineering nor to inhibit in any way anyone from purchasing or producing products to other specifications

(2) The formulation and publication of API Specifications and the API monogram program is not intended in any way to inhibit the purchase of products from companies not licensed to us( the API monogram

(3) Nothing contained in any API Specification is to be construed as granting any right by implication or otherwise for the manufacture, sale or use in connection with any method apparatus or product covered neither by letters patent nor as insuring anyone against liability for infringement of letters patent

(4) API Specifications may be used by anyone desiring to do so and diligent effort has been made by the Institute to assure the accuracy and reliability of the data contained therein However the Institute makes no representation warranty or guarantee in connection with the publication of any API Specification and hereby expressly disclaims any liability or responsibility for loss or damage resulting from their use for any violation of any federal state, or municipal regulation with which an API Specification may conflict or for the infringement of any patent resulting from the use of an API Specification

(5) Any manufacturer producing equipment or materials intended to conform to an API Specification IS responsible for complying with all the provisions of that Specification including all the applicable provisions of API Spec Q1 Specification For Quality Programs required by the product specification The American Petroleum Institute does not represent warrant or guarantee that such products do in fact conform to the applicable API standard or specification