Practices by Discipline

​This Practice describes the basic characteristics of each PIP Pipeline Systems Piping Material Specification (PMS). Each specification listed is described by pressure class, primary material, design factor, corrosion allowance, service type, and joint construction.

This Practice provides guidance for evaluation, selection, and specification of pipe bends for on-shore metallic pipelines designed and constructed to ASME B31.8 Gas Transmission and Distribution Piping Systems and ASME B31.4 Pipeline Transportation Systems for Liquids and Slurries. This Practice covers the following types of bends: a.   Manufactured fittingsb.   Induction (hot) bends formed off-site c.   Cold bends formed on-siteThis Practice provides guidance for evaluation of which bend type to select by providing pros and cons based on specific site rights-of-way, pipe size and wall thickness, shipping considerations, pipe ovality, pigging requirements, etc. Additional, more explanatory references recommendations are also provided.

The purpose of this document is to provide guidance for the design and installation, maintenance, and operation of in-service pipeline pigging facilities. A pigging facility permits the operator to run pipeline pigs for corrosion control, in-line inspection, and flow assurance programs. This engineering practice covers the design and installation of in-service pipeline pigging facilities for all new and existing pipelines. If there are conflicts between this specification, Owner's requirements, Industry standards and regulatory requirement, the most stringent requirements shall apply. This practice does not apply to temporary construction launchers/receivers or launchers/receivers for offshore use. The installation of "temporary" pig traps shall be performed under the control of a MOC process that includes operations, engineering and safety design reviews.

This Practice describes an engineering work process for gathering the necessary information and applying the applicable codes and standards to develop a documented area classification. This Practice addresses the classification of areas containing flammable liquids, gases, or vapors and combustible dust, but does not address ignitable fibers and flyings.This Practice applies to petroleum and chemical process facilities and other related industries that fall within the scope of the standards being used for the assessment of the area classification. This Practice is applicable for new and existing facilities.This Practice should be used with petroleum and chemical industry codes and standards that define the basis for area classification.

This Practice covers the basic requirements for the lubrication of antifriction and hydrodynamic bearings used in electric motors. These requirements apply to induction, synchronous, and DC motors.Excluded from this Practice:On site vibration analysisOn site mechanical equipment alignmentRepair of the motor, e.g. bearing replacement, rotor repair, stator repair, etc. (PIP ELTFT04 addresses motor repair.)

​This Practice is an overlay to the IEEE document IEEE Std. 1068-2015, IEEE Standard for the Repair and Rewinding of AC Electric Motors in Petroleum, Chemical, and Process Industries.  The intent is to use IEEE 1068-2015, with the exception and clarification as given in below, along with PIP ELTFT04-D and ELTFT04-T to define the requirements for repair, modification, and testing of electric motors.

This Practice covers minimum requirements for the maintenance of switchgear. While the maintenance procedures herein can be applied to all types of switchgear, manufacturer instructions should be reviewed for equipment specific maintenance requirements.This Practice does not cover the calibration, settings, or programming of protective devices such as molded case circuit breakers, protective relays, etc.

This Practice provides standardized reliability terminology and a basis for measurement and data gathering for benchmarking the reliability of rotating machinery. This Practice describes reliability terms and definitions that can be applied to economic performance data generation. This Practice describes reliability data gathering techniques. This Practice provides basic steps to implementing reliability indicators in process industry facilities. This Practice describes levels of data gathering and analysis that may be used to provide the appropriate amount of reliability information.

This Practice provides fabrication details and describes the minimum requirements for fabricating concentric or eccentric square edge orifice plates and the orifice meter run.

​This Practice provides installation details for instrument field junction boxes and instrument conduit and cable connections. This Practice describes the minimum requirements for instrument field junction box installation and wiring. This Practice provides details for installing various arrangements of instrument conduit and cable connections.

This Practice provides guidelines for application, selection, and design of equipment used to measure weight in industrial applications. This Practice includes guidelines for electronic methods of measuring weight and does not include mechanical and hydraulic systems. Specific design criteria requirements are furnished in PIP PCCWE001, Weigh Systems Design Criteria. This Practice does not provide the information needed to ensure that the applicable agreements and regulations for custody transfer are met.

This Practice provides requirements for equipment selection and system design for weight measurement systems. This Practice specifies requirements for design and installation of static, continuous, and scale weigh systems. This Practice does not include criteria for mechanical weigh scales, hydraulic load cells, or pneumatic load cell technology. 

This Practice provides installation details for various instrument air supply and instrument signal arrangements. This Practice describes the minimum requirements for installing instrument air supply components with various air-set and filter arrangements. This Practice provides details for various instrument signal arrangements.

This Practice provides guidelines for the selection, design, and application of fixed gas monitoring detectors installed in process areas to detect the presence of combustible gases, oxygen, or toxic gases. This Practice addresses detectors permanently installed for ambient air monitoring (e.g., leak detection, oxygen depletion). The technologies included are catalytic bead, infrared, electrochemical, paramagnetic. This Practice does not cover portable gas monitoring equipment, process analyzers, or sampling systems. The systems used to perform data acquisition, alarming, and control action are not covered by this Practice because the solutions are diverse and can include stand-alone to advanced multisystem configurations. 

This Practice provides guidelines for selecting lubrication methods for bearings in rotating equipment applications.This Practice describes the product-lubrication, grease, wet sump, dry sump, and pressure-fed lubrication methods for lubricating bearings, and provides guidance for applying the methods to various applications.

​This Practice provides guidance for developing a system of company standards based on the adoption of PIP Practices. This Practice provides information and recommendations regarding the benefits of adopting PIP, how PIP is positioned in a standards system, and strategies for adopting PIP based on corporate capabilities.

This Practice provides guidelines for identifying changes or making comments to all types of engineering drawings, documents, lists, etc, specifically where the changes or comments are made by one or multiple people and incorporated into the native or master document by another person. This Practice covers all revisions/modifications of documents, including documents before and after construction. This Practice does not apply to mark-ups made before the adoption of this Practice.This Practice does not address how to implement a Management of Change (MOC) work process; it does address how to communicate mark-ups consistently. This Practice should be applied to any engineering document, paper or electronic, and is not vendor, hardware, or software specific.Although this Practice provides general guidelines for the markup of engineering documents, individual applications may require differing approaches than those recommended in this Practice. Determinations concerning fitness for purpose and matters of application of the Practice to a particular project or engineering situation should not be made solely on the information contained in this Practice. (This guideline is meant just a starting point.)Example document markups in the Appendix of this Practice are not intended to recommend specific design details or requirements, but are included to provide illustrations of various options available to the user.

​This Practice describes requirements for materials, installation, and testing of underground gravity sewers. This Practice includes requirements for pipe, inlet structures, manholes, and appurtenances for sanitary, storm, and industrial process sewers. This Practice does not include requirements for pressurized pipe, double-contained pipe, or emission-controlled industrial process sewers in environmental applications.

​This Practice provides fabrication details and describes the minimum requirements for assembling field junction boxes used for instrument connections.

​This Practice contains installation details for differential pressure transmitters in liquid level service and includes details for electric or steam tracing of these installations. These details describe the base instrument installations. The bill of material provided with each detail is generic and is complementary to PIP PCSIP001- Instrument Piping and Tubing Systems Specifications.