Specification development

Draft revisions of the specifications will be made available on this site for a 4 week duration for public review and comment.

Please download and read the instructions for providing feedback. Download instructions

Feedback is strongly preferred within the digital specification development tool Jama Connect to allow more efficient compilation and response to comments. Please email feedback@jip33.org for access to the tool including details of the specification you would like to comment on.

Operator staff should contact the SC representative to feed their comments back through their SME.
If returning comments via the digital tool is not possible, please download the document and mark up your comments. Submit the marked up file to

Keep in touch with what’s happening on JIP33 by signing up to our Mailing List. You’ll get automatic notifications when new draft specifications are published for public and/or maintenance review and comment. Each specification has a four-week review period and we’d love to receive your input.

Specifications in development: Drafts will be available here for public review as they are ready.

specificationnumber wdt_ID Specification Description Category Status Review Date Closing Date Download
5 Diesel Generator Package (S-714) Package Closed for comments
6 Firewater Pump Package (S-721) Package On hold
16 Lubrication, Shaft-Sealing and Control Oil Support In development - Q3-2022 Q1 - 2023
25 Basic Process Measurement Instruments (S-718) Equipment – Instruments Closed for comments
45 LV Switchgear & Controlgear (S-560) Equipment - Electrical In maintenance - Q4-2022
46 Line Pipe (S-616) Equipment - General In maintenance - closed for comments
48 HV Synchronous Motors & Generators Equipment - Electrical In development - Q3-2023 Q1 - 2023
49 HV AC Drives Systems (S-747) Equipment - Electrical Closed for comments
57 Centrifugal Pumps (S-615) Equipment - Mechanical In maintenance - Q4-2022
63 Shell & Tube Heat Exchangers (S-614) Equipment - Mechanical Planned maint - Q1-2025
specificationnumber Specification Description Category Status Review Date Closing Date Download