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PD — British Published Document (PD) Single-File Series Overview (56 Standards)
British Published Document (PD) Single-File Series Overview — 56 Standards
📋 PD (Published Document) is a class of non-standard technical documents issued by the British Standards Institution (BSI) to provide practical guidance, background information or application interpretation for a standard. Unlike a British Standard (BS), a PD does not itself constitute a formal standard; its foreword usually states that “this publication is not to be regarded as a British Standard”, yet it carries significant reference value in standard application, engineering practice and industry management. This review brings together the 56 single-file Published Documents in this batch, covering information security management, pressure vessels, steel and concrete structural design, building fire protection, smart cities, business continuity management, machinery safety, gas safety and water quality management.
💡 PD documents often act as a “bridge” or “guide”: when an international or European standard has been published but UK industry needs additional application guidance, BSI issues a PD to provide interpretation, advice or supplementation, helping users understand and implement the standard correctly.
1. Series Background 📌
The Published Document (PD) is an important non-normative class within the BSI framework. It may reproduce a European report (e.g. the CR series) or an international document, or it may be drafted by a UK technical committee to provide a usage guide, background information or interpretation for a particular standard. PD fills the gap between a formal standard and engineering practice: a standard says “what shall be done”, while a PD goes further to explain “how, why, and what to watch out for”.
This batch of 56 PDs spans many technical fields. In information and security, the PD 3001-3005 series gives systematic guidance for the certification, risk assessment, control selection and auditing of BS 7799 (information security management). In pressure vessels, PD 5500 is one of the most authoritative non-direct-fired fusion-welded pressure vessel specifications in the UK. In buildings and structures, the PD 6693-6703 series provides design and interpretation guidance for the UK application of the Eurocodes. In smart cities and business continuity, PD 8100/8101 and PD 25111-25888 provide management and planning guidance.
⚠️ When using a PD, note its non-standard nature: it is not mandatory and cannot replace mandatory clauses in a formal BS or EN. When a PD is cited in a contract or engineering document, treat it as “guidance/advice” rather than “specification/requirement”, and verify the current edition.
2. Document Inventory (56 items) 📚
The table below lists all 56 single-file PD documents in this batch, ordered by number, with the document number and subject.
| Document | Subject |
|---|---|
| PD 476-3:2012 | Classification rules for the end-use application of test results arising from BS 476-3 |
| PD 970:2005 | Wrought steels for mechanical and allied engineering purposes |
| PD 1000:2002 | Universal Decimal Classification (UDC) – Common auxiliary tables |
| PD 2754-2:1993 | Classification of contact protection (IEC 536-2) |
| PD 3001:2002 | Preparing for BS 7799-2 certification – Guidance for certification |
| PD 3002:2002 | Guide to BS 7799 risk assessment |
| PD 3003:2002 | Are you ready for a BS 7799 Part 2 audit – Compliance assessment workbook |
| PD 3004:2002 | Guide to the implementation and auditing of BS 7799 controls |
| PD 3005:2002 | Guide on the selection of BS 7799 Part 2 controls |
| PD 5304:2014 | Guidance on safe use of machinery |
| PD 5454:2012 | Guide for the storage and exhibition of archival materials |
| PD 5482-3:2005 | Code of practice for domestic butane and propane gas-burning installations |
| PD 5500:2015 | Specification for unfired fusion welded pressure vessels |
| PD 6079-4:2006 | Project management – Part 4: Guide to project management in the construction industry |
| PD 6438:1969 | A review of present methods for design of bolted flanges for pressure vessels |
| PD 6446:1970 | Recommendations for the co-ordination of dimensions in building |
| PD 6472:1974 | Guide to the principles of design of bolted flanged joints |
| PD 6481:1977 | Recommendations on the use of preferred numbers and preferred sizes |
| PD 6512-3:1987 | Use of elements of structural fire protection with particular reference to BS 5950-8 |
| PD 6525:1990 | Guide for the protection of the individual against external fire and heat |
| PD 6531:2010 | Queries and interpretations on BS 5839-1 |
| PD 6547:2004 | Guidance on the use of BS EN 40-3-1 and BS EN 40-3-3 |
| PD 6575-2:1995 | Calculation of short-circuit currents (IEC 865-2) |
| PD 6585-2:1996 | Guide to the preparation of documents for product design |
| PD 6604:1997 | Nomenclature system for medical devices (CR 12361) |
| PD 6609:2007 | Environmental cleanliness in enclosed spaces – Guide to in situ HEPA filter leak testing |
| PD 6612:2004 | Guidance on the preparation of codes of practice for building |
| PD 6630:1998 | Guide to the selection of materials for medical devices (CR 13217) |
| PD 6635:1999 | Guide to the evaluation of the properties of heat-treated steels |
| PD 6678:2005 | Guide to the specification of masonry mortar |
| PD 6680:2002 | Guidance on the new European Standards for thermal insulating products |
| PD 6689:2009 | Guidance on the use of BS EN 12271 and BS EN 12273 for surface dressing |
| PD 6691:2015 | Guidance on the use of BS EN 13108 for asphalt mixtures |
| PD 6692:2006 | Guidance on the use of BS EN 12697 for testing asphalt |
| PD 6693-1:2012 | Guidance on the design of timber structures to BS EN 1995-1-1 |
| PD 6694-1:2011 | Recommendations for the design of structures subject to traffic loading to BS EN 1997 |
| PD 6696-2:2007 | Guidance on the design of steel-concrete composite bridges to BS EN 1994-2 |
| PD 6697:2010 | Recommendations for the design of masonry structures to BS EN 1996-1-1 |
| PD 6698:2009 | Recommendations for the design of structures subject to seismic loading |
| PD 6702-1:2009 | Structural use of aluminium – Recommendations for the design of aluminium structures to BS EN 1999-1-1 |
| PD 6703:2010 | Structural bearings – Recommendations for the design of bridges |
| PD 6900:2016 | Guidance on the design of composite structures for the construction industry |
| PD 7503:2003 | Introduction to knowledge management in construction |
| PD 7777:2009 | Guidance on the use of BS EN 13445 for unfired pressure vessels |
| PD 8100:2014 | Guide to the role of standards and guidance documents in smart cities |
| PD 8101:2014 | Smart cities – Guide to the planning and development process |
| PD 13846:2000 | Sludge characterization – Guide to the use of sludge standards (CR 13846) |
| PD 156865:2008 | Practical guidance for the application of BS ISO 15686-5 (life cycle costing) |
| PD 25111:2011 | Business continuity management – Guidance on human aspects of business continuity |
| PD 25666:2011 | Business continuity management – Guidance on exercising and testing for continuity and contingency programmes |
| PD 25888:2011 | Business continuity management – Guidance on organization recovery management |
| PD 54823:2010 | Guide to the safe use of LPG at domestic premises |
| PD 60417:2013 | Graphical symbols for use on equipment (IEC 60417 snapshot) |
| PD 62305-2:2012 | Lightning protection – Risk assessment supplement for the UK |
| PD 68888:2014 | Guide to the training of personnel in the use of BS 8888 |
| PD 855468:2006 | Code of practice for the cleaning and disinfection of potable water supply systems |
3. Technical Points of Representative Documents 🔬
1. PD 5500:2015 — Specification for Unfired Fusion Welded Pressure Vessels
PD 5500 is one of the most authoritative non-mandatory UK specifications for the design, manufacture and inspection of unfired fusion welded pressure vessels. It sets systematic requirements for material selection, design calculations (wall thickness, opening reinforcement, flanges and supports), manufacturing processes, non-destructive testing, pressure testing and documentation, running in parallel with the EN 13445 framework under the EU Pressure Equipment Directive (PED). It is widely applied in the petrochemical, energy and chemical industries, and its technical content is a key reference for understanding UK pressure-vessel engineering practice.
2. PD 3001-3005 Series — Information Security Management (BS 7799) Application Guides
This series is a set of companion guides for BS 7799 (information security management, the predecessor of ISO/IEC 27001): PD 3001 covers certification preparation; PD 3002 introduces risk assessment methods; PD 3003 provides a compliance-assessment workbook; PD 3004 explains implementation and auditing of controls; and PD 3005 guides the selection of controls. The series converts abstract security-management requirements into actionable processes and checklists, and is a key reference for establishing, implementing and auditing an ISMS.
3. PD 6693-1:2012 — Timber Structure Design Guide (BS EN 1995-1-1)
PD 6693-1 provides guidance for applying the European timber design code BS EN 1995-1-1 (Eurocode 5 Part 1-1) in the UK, covering design values for materials and products, structural analysis, ultimate-limit-state design, connection design, member fire protection and site work. As a national application document, it helps UK engineers correctly use clauses of Eurocode 5 that are not fully covered or require local interpretation, and is an important aid for timber design and review.
4. PD 8100:2014 — Guide to the Role of Standards and Guidance Documents in Smart Cities
PD 8100 systematically sets out the role of standards and guidance documents in smart-city development, explaining how standards can support smart-city planning and implementation from dimensions such as data, infrastructure, citizen engagement, governance and resilience. It defines the concept of a “smarter city” and gives a framework for the role of standards, providing a common language and roadmap for city managers, planners and standards developers.
5. PD 25111:2011 — Business Continuity Management: Human Aspects Guide
This document focuses on the human aspects of business continuity, explaining how to care for, manage and support employees during and after a disruptive incident, including emergency arrangements, communication, mental wellbeing, return-to-work and recovery. It complements the relatively thin “people” dimension of a business continuity management system (BCM, corresponding to ISO 22301), offering practical guidance for organisations protecting their most valuable asset during a crisis.
✅ The five representative groups above cover pressure vessels, information security management, structural design, smart cities and business continuity management — typical fields illustrating the “interpreting standards and guiding practice” role of PD documents. The remaining documents are listed in the full inventory table.
4. Engineering Practice 🛠️
- 🔍 Selection and referencing: a PD is a non-normative document; when citing it, make clear its “guidance” nature to avoid misusing it as a mandatory requirement, and check the edition and amendment status.
- 🔧 Pressure vessels: PD 5500 runs in parallel with EN 13445; engineering practice chooses the applicable framework (e.g. PED/EN or the traditional UK system) according to the contract.
- 📊 Structural design: the PD 6693-6703 series are UK national application documents (NA) for Eurocodes 5/6/7/9 and similar; engineers should use them together with the corresponding EN.
- 📋 Management and safety: documents such as information security (PD 3001-3005), business continuity (PD 25111-25888) and gas safety (PD 54823) provide methodology for safety governance at organisational and community level.
5. Frequently Asked Questions ❓
❓ Q: What is the difference between a PD (Published Document) and a British Standard (BS)?
A: A BS is a formal British Standard approved through the standardisation process and has normative status. A PD is a non-normative public document issued by BSI to provide guidance, background or application interpretation; its foreword states that it is “not to be regarded as a British Standard”.
A: A BS is a formal British Standard approved through the standardisation process and has normative status. A PD is a non-normative public document issued by BSI to provide guidance, background or application interpretation; its foreword states that it is “not to be regarded as a British Standard”.
❓ Q: Are PD documents mandatory?
A: No. They are voluntary technical documents that guide the implementation and application of standards. They become binding only where legislation or a contract explicitly references them.
A: No. They are voluntary technical documents that guide the implementation and application of standards. They become binding only where legislation or a contract explicitly references them.
❓ Q: Why do some PDs state that they reproduce CR/ENV/IEC documents?
A: Some PDs reproduce European reports (e.g. CR) or international documents (e.g. the IEC 60417 extract) so UK industry can access European or international technical content directly while keeping the UK numbering system coherent.
A: Some PDs reproduce European reports (e.g. CR) or international documents (e.g. the IEC 60417 extract) so UK industry can access European or international technical content directly while keeping the UK numbering system coherent.
🔍 Q: Can a PD be superseded by a formal standard?
A: Yes. When a formal BS or EN for the field is issued, or when the standard a PD is based on is updated, the PD may be revised or withdrawn. Always confirm current status via the BSI catalogue before use.
A: Yes. When a formal BS or EN for the field is issued, or when the standard a PD is based on is updated, the PD may be revised or withdrawn. Always confirm current status via the BSI catalogue before use.