BS 5449:1990

Foreword
Section one - General
1 Scope
2 Definitions
3 Exchange of information
Section two - Materials, appliances and components
4 General
5 Boilers
6 Pipes and pipe fittings
7 Safety valves
Section three - Design considerations
8 General
9 Heating requirements
10 Domestic hot water requirements
11 Boilers
12 Chimney and flue
13 Velocity and pressure loss in circuits
14 Feed and expansion cistern (open vented systems
   only)
15 Feed and expansion pipe and vent pipes for open
   systems
16 Sealed systems
17 Venting
18 Heat emitters
19 Valves
20 Thermal insulation
21 Domestic hot water storage
22 System control
23 Draining
24 Delivery, storage and metering of fuel
25 Air supply
26 Corrosion inhibitor
Section four - Installation work on site
27 Boiler
28 Flueing and air supply
29 Condensate disposal
30 Circulation pipework
31 Pipe fixings and supports
32 Heat emitters
33 Circulation pump
34 Indirect cylinder
35 Electrical work
36 Gas pipework
37 Oil pipework
Section five - Commissioning
38 Filling
39 Boiler
40 Balancing
41 Handing over
Appendix A Heat loss coefficients (U-values)
Appendix B Resistance to hot water flow
Figures
Tables

General planning, design considerations, materials, appliances and components, installation and commissioning. Includes small bore and microbore systems, open systems and sealed systems.