1. BS 5306-9:2015. Fire extinguishing installations and equipment on premises - Part 9: Recharging of portable fire extinguishers – Code of practice

2. BS 5308-2:1986. Instrumentation cables - Part 2: Specification for PVC insulated cables

3. BS 5315:1991. Specification for Hose clamps (worm drive type) for general purpose use (metric series)

4. BS 5328-1:1997. Concrete - Part 1: Guide to specifying concrete

5. BS 5328-2:1997. Concrete - Part 2: Methods for specifying concrete mixes

6. BS 5328-3:1990. Concrete - Part 3: Specification for the procedures to be used in producing and transporting concrete

7. BS 5345-1:1989. Code of practice for Selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosives processing and manufacture)

8. BS 5345-2:1983. Selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture) Part 2

9. BS 5345-3:1979. Code of practice for Selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture) - Part 3

10. BS 5345-5:1983. Code of practice for Selection, installation and maintenance of electrical pparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture)-Part 5: Instal