British Standards Institution documents within the Construction Information Service

• Internal blinds - Performance requirements including safety (+A1:2014) (Incorporating corrigendum February 2015)
• Intruder and hold-up alarm systems - commissioning, maintenance and remote support - code of practice
• Investigation and assessment of drain and sewer systems outside buildings. Visual inspection coding system (+A1:2011) (Incorporating corrigendum March 2007)
• Investigation of potentially contaminated sites - Code of practice
• Investigation of potentially contaminated sites - code of practice (+A2:2017) (Withdrawn)
• ISO metric precision hexagon bolts, screws and nuts - Specification
• ISO metric screw threads. Principles and basic data (Incorporating corrigendum No. 1)
• ISO metric screw threads. Specification for selected limits of size (Incorporating corrigendum No. 1)
• ISO metric trapezoidal screw threads - Basic and design profiles (Incorporating corrigendum October 2020)
• ISO metric trapezoidal screw threads - Basic dimensions
• ISO metric trapezoidal screw threads - General plan (Incorporating corrigendum October 2020)
• ISO metric trapezoidal screw threads - Tolerances (Incorporating corrigendum October 2020)
• Joint fillers and sealants. Specifications for cold applied sealants
• Joint fillers and sealants. Specifications for hot applied sealants
• Ladders. Terms, types, functional sizes (+A2:2025) (Incorporating corrigendum May 2019)
• Lattice towers and masts. Code of practice for loading (incorporating amendment No. 1) (Withdrawn)
• Lead and lead alloys - rolled lead sheet for building purposes
• Library objects for architecture, engineering and construction. Product and facility declarations - Code of practice (+A1:2023)
• Library objects for architecture, engineering and construction. Recommended 2d symbols of building elements for use in building information modelling (incorporating corrigendum No. 1)
• Library objects for architecture, engineering, construction and use
• Life cycle inventory calculation methodology for steel products
• Life cycle management of concrete structures
• Life cycle management of concrete structures. Structural planning and design stage
• Lifts and service lifts. Code of practice for selection, installation and location of new lifts
• Lifts for the transport of persons and goods. Class I, II, III and VI lifts installation (Incorporating corrigendum December 2020)
• Light and lighting - Basic terms and criteria for specifying lighting requirements
• Light and lighting - Commissioning of lighting systems in buildings
• Light and lighting - commissioning of lighting systems in buildings
• Light and Lighting - Lighting of work places. Indoor
• Light and lighting - lighting of work places. Indoor work places
• Light and lighting - Lighting of work places. Outdoor work places
• Light and lighting - maintenance factor determination - way of working
• Light and lighting - sports lighting (Incorporating corrigendum February 2019)
• Light reflectance value (LRV) of a surface - Method of test (+A1:2010)
• Lighting applications - Adaptive emergency escape lighting systems
• Lighting applications - emergency lighting
• Lighting columns. Definitions and terms (AMD Corrigendum 16175)
• Lighting columns. Design and verification - Specification for characteristic loads
• Lighting columns. Design and verification - Verification by calculation
• Lighting columns. Design and verification - Verification by testing
• Lighting columns. General requirements and dimensions
• Lighting columns. Requirements for fibre reinforced polymer composite lighting columns
• Lighting columns. Requirements for steel lighting columns
• Lighting for buildings. Code of practice for daylighting (Withdrawn)
• Lightning protection system components (LPSC). Requirements for conductors and earth electrodes
• Lightning protection system components (LPSC). Requirements for connection components
• Lightning protection system components (LPSC). Requirements for earth electrode inspection housings and earth electrode seals
• Lightning protection system components (LPSC). Requirements for earthing enhancing compounds
• Lightning protection system components (LPSC). Requirements for lightning strike counters (LSCs)
• Lintels. Method of assessment of load (AMD 4796)
• Liquid fuel firing. Installations for liquid fuelled standby generators, furnaces, kilns, ovens and other industrial purposes - Code of practice
• Live working. Electrical insulating matting
• Loading for buildings. Code of practice for dead and imposed loads (AMD 13669) (Withdrawn)
• Loading for buildings. Code of practice for imposed roof loads (AMD 6033) (AMD 9187) (AMD 9452) (Withdrawn)
• Loading for buildings. Code of practice for wind loads (incorporating amendment No. 1 and corrigendum No. 1) (corrected and reprinted June 2002) (Withdrawn)
• Lock assemblies operated by key from both the inside and outside of the door (+A1:2024)
• Low-voltage electrical installations. Prosumer's low-voltage electrical installations (+A11:2019)
• Low-voltage fuses. General requirements
• Low-voltage fuses. General requirements (+A2:2014) (Superseded but remains current)
• Low-voltage switchgear and controlgear - Product data and properties for information exchange - Engineering data. Switchgear and controlgear assembly objects for building information modelling
• Low-voltage switchgear and controlgear and their assemblies - Security requirements
• Low-voltage switchgear and controlgear assemblies. Assemblies for power distribution in public networks (Incorporating corrigendum February 2025)
• Low-voltage switchgear and controlgear assemblies. Assemblies for power distribution in public networks (incorporating corrigendum September 2015) (Superseded but remains current)
• Low-voltage switchgear and controlgear assemblies. Busbar trunking systems (busways)
• Low-voltage switchgear and controlgear assemblies. Distribution boards intended to be operated by ordinary persons (DBO)
• Low-voltage switchgear and controlgear assemblies. Distribution boards intended to be operated by ordinary persons (DBO) (Incorporating corrigenda September 2013, December 2015 and March 2019) (Superseded but remains current)
• Low-voltage switchgear and controlgear assemblies. General rules (Incorporating corrigendum December 2021)
• Low-voltage switchgear and controlgear assemblies. Particular requirements for assemblies for construction sites (ACS)
• Low-voltage switchgear and controlgear assemblies. Power switchgear and controlgear assemblies (Incorporating corrigendum April 2026)
• Low-voltage switchgear and controlgear. Circuit-breakers
• Low-voltage switchgear and controlgear. Circuit-breakers (+A1:2020) (Incorporating corrigenda November 2016 and July 2019) (Superseded but remains current)
• Low-voltage switchgear and controlgear. Contactors and motor-starters - electromechanical contactors and motor-starters (Incorporating corrigenda April 2020 and April 2021) (Superseded but remains current)
• Low-voltage switchgear and controlgear. Contactors and motor-starters - Electromechanical contactors and motor-starters (Incorporating corrigendum March 2026)
• Low-voltage switchgear and controlgear. Control circuit devices and switching elements - Electromechanical control circuit devices
• Low-voltage switchgear and controlgear. Control circuit devices and switching elements - electromechanical control circuit devices (Incorporating corrigendum April 2020) (Superseded but remains current)
• Low-voltage switchgear and controlgear. General rules (Incorporating corrigenda December 2022 and April 2024)
• Low-voltage switchgear and controlgear. Multiple function equipment - Transfer switching equipment
• Low-voltage switchgear and controlgear. Multiple function equipment - Transfer switching equipment (Superseded but remains current)
• Low-voltage switchgear and controlgear. Switches, disconnectors, switch-disconnectors and fuse-combination units (+A1:2025) (Incorporating corrigendum November 2021)
• Luminaires. General requirements and tests (+A11:2022) (Incorporating corrigendum August 2022) (Superseded but remains current)
• Luminaires. General requirements and tests (+A11:2024) (Incorporating corrigendum March 2025)
• Luminaires. Particular requirements - Luminaires for emergency lighting
• Luminaires. Particular requirements - Recessed luminaires and recessed air-handling luminaires
• Luminaires. Particular requirements. Recessed luminaires (Incorporating corrigendum March 2012) (Superseded but remains current)
• LV and MV polymeric insulated cables for use by distribution and generation utilities. Specification for distribution cables with extruded insulation of rated voltages of 11 kV and 33 kV. Single-core 11 kV and 33 kV cables (Implementation of HD 620) (+A1:2016)
• Maintenance - Maintenance key performance indicators (+A1:2022)
• Maintenance for lifts and escalators - Rules for maintenance instructions (+A1:2008)
• Maintenance of electrical switchgear and controlgear for voltages above 1kV and up to and including 36kV - Code of practice
• Management of moisture in buildings - code of practice (Incorporating corrigendum No. 1)
• Managing fire risk related to photovoltaic (PV) systems on buildings
• Maritime structures. Code of practice for the design of Ro-Ro ramps, linkspans and walkways
• Maritime structures. Guide to the design and construction of breakwaters (incorporating corrigendum January 2010)
• Maritime works. Code of practice for dredging and land reclamation
• Maritime works. Code of practice for the design of quay walls, jetties and dolphins
• Maritime works. Code of practice for the design of shipyards and sea locks
• Maritime works. Design of fendering and mooring systems - Code of practice
• Maritime works. General - code of practice for assessment of actions (+A1:2017) (Incorporating corrigendum No. 1)
• Maritime works. General - code of practice for geotechnical design
• Maritime works. General - Code of practice for materials (+A1:2025)
• Maritime works. General - Code of practice for planning and design for the asset lifecycle