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  2. Research Design and Standards Organisation - Wikipedia

    en.wikipedia.org/wiki/Research_Design_and...

    The Research Designs & Standards Organisation (RDSO) is the research and development and railway technical specification development organisation under the Ministry of Railways of the Government of India, which functions as a technical adviser and consultant to the Railway Board, the Zonal Railways, the Railway Production Units, RITES, RailTel and Ircon International in respect of design and ...

  3. List of circulars - Wikipedia

    en.wikipedia.org/wiki/List_of_circulars

    Circular 230, a document that sets forth the rules to practice before the United States Treasury Department; Court Circular, the official record that lists the engagements carried out by the Monarch of the United Kingdom; Massachusetts Circular Letter, a 1768 statement written by Samuel Adams and passed by the Massachusetts House of Representatives

  4. Railway Board Secretariat Service - Wikipedia

    en.wikipedia.org/wiki/Railway_Board_Secretariat...

    The recruitment and promotion to various grades of RBSS are governed by Railway Board Secretariat Service Rules, 1969 notified on 11 Oct 1969 and a number of modifications and amendments made to the principle rules thereafter last being through Railway Board Secretariat Service (Amendment) Rules, 2004 notified in December 2004. [12]

  5. British railway technical manuals - Wikipedia

    en.wikipedia.org/wiki/British_railway_technical...

    A copy of the 2002 edition of the National Routeing Guide. The railway network of Great Britain is operated with the aid of a number of documents, which have been sometimes termed "technical manuals", [1] because they are more detailed than the pocket-timetables which the public encounters every day.

  6. List of OMB Circulars and Bulletins - Wikipedia

    en.wikipedia.org/wiki/List_of_OMB_Circulars_and...

    Circular A-131: Value Engineering, issued 26 January 1988, revised 21 May 1993 [2] and 26 December 2013. Contains guidance to support the sustained use of value engineering by federal departments and agencies; Circular A-133: Audits of states, local government and non-profit organizations: see OMB A-133 Compliance Supplement

  7. North American railroad signaling - Wikipedia

    en.wikipedia.org/wiki/North_American_railroad...

    Form D Control Form D Control System, or DCS, is a system similar to Track Warrant Control that is used by railroads subscribing to NORAC (Track Warrant Control is a GCOR term). The name comes from the form that train crews copy the authority onto. A sample Form D is available here; line two is used to grant authority for occupying the track.

  8. List of IEC standards - Wikipedia

    en.wikipedia.org/wiki/List_of_IEC_standards

    IEC 62278 Railway applications – Specification and demonstration of reliability, availability, maintainability and safety ; IEC 62279 Railway applications – Communication, signalling and processing systems – Software for railway control and protection systems

  9. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    Push-to-pull fittings are easily removed compression fitting that allows pipes to be connected with minimal tools. These fittings are similar to regular compression fittings but use an O-ring for sealing and a grip ring to hold the pipe. The main advantage is that it can easily be removed and re-used, it is easy to assemble, and the joints are ...