• BS 5440-1:1990

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Installation and maintenance of flues and ventilation for gas appliances of rated input not exceeding 60 kW net (1st, 2nd and 3rd family gases). Specification for installation of flues

    Available format(s):  Hardcopy, PDF

    Superseded date:  15-12-2000

    Language(s):  English

    Published date:  28-02-1990

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Committees responsible
    1 Scope
    2 Definitions
    3 Preliminary design considerations
    3.1 Types of flue system
    3.2 Flue termination
    3.3 Fire precautions
    4 Individual open flue: natural draught
    4.1 Design
    4.2 Installation
    4.3 Commissioning
    5 Individual open flue: fanned draught
    5.1 Design
    5.2 Installation
    5.3 Commissioning
    6 Shared open flue: natural draught
    6.1 Design
    6.2 Installation
    7 Balanced flue: natural draught
    7.1 General
    7.2 Installation
    7.3 Post installation check
    8 Balanced flue: fanned draught
    8.1 General
    8.2 Installation
    8.3 Post installation check
    9 Shared room-sealed: natural draught
    9.1 Design
    9.2 Sizing
    9.3 Terminal design and location
    9.4 Inspection
    9.5 Appliance selection and installation
    9.6 Commissioning
    10 Special categories of flue system
    10.1 Flue systems for use with condensing appliances
    10.2 Closed flue systems
    10.3 Balanced compartment
    10.4 Shared open flue fanned draught systems
    10.5 Other categories of flue system
    A Calculation method for flue sizing
    B Flue terminal positions
    C Balanced flue installation in properties of timber
          framed construction
    1 Location of roof mounted terminals for individual
          natural draught open flue systems (minimum height
          of base of terminal)
    2 Condensate-free lengths of individual open flue
          used with a gas fire
    3 Appliance/chimney combinations which require the
          chimney to be lined
    4 Voids below appliance connections
    5 Minimum flow rates for fanned flues
    6 Appliances discharging by way of subsidiary flues
          into a main flue
    7 Normal Se-duct block sizes
    8 Se-duct sizes for continuously burning appliances
          in flats
    9 Se-duct sizes for combinations of instantaneous
          water heaters (30 kW input rating) and
          continuously burning appliances in flats
    10 Balanced compartment air inlet duct sizing
    11 Resistance factors for use in calculating
          equivalent heights
    12 Inlet and outlet resistances
    13 Minimum equivalent heights needed
    14 Minimum dimensions of flue terminal positions (all
    1 Flue systems
    2 Flat roof, with parapet
    3 Flat roof, envelope method
    4 Flat roof, where the flue outlet is more than 10
          heights (h) away from all structures
    5 Flat roof, with flue close to parapet
    6 Flat roof, with no parapet
    7 Flat roof, with structure close to flue outlet
    8 Pitched roof, not greater than 45 degrees
    9 Pitched roof, within 1.5 m of a structure on roof
    10 Pitched roof, exceeding 45 degrees
    11 Pitch roof, internal route, pitch not exceeding
          45 degrees and ridge termination
    12 Pitch roof, chimney within 1.5 m from dormer
          window measured horizontally
    13 Maximum lengths for condensate-free flues for
          appliances other than gas fires
    14 Connections to existing brick chimney
    15 Typical methods of sealing flue liner
    16 Sealing of false chimney areas
    17 Shared flue systems and flue block types
    18 Shielding of plastics gutters
    19 Shared room-sealed systems
    20 Balanced compartment installation
    21 Worked example 1
    22 Worked example 2
    23 Flue terminal positions
    24 Circular balanced flue fitted to timber framed
    25 Rectangular balanced flue fitted to timber framed

    Abstract - (Show below) - (Hide below)

    Complete flue equipment from the appliance connection to the discharge to outside air. For domestic or commercial purposes.

    General Product Information - (Show below) - (Hide below)

    Committee GSE/30
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded

    Standards Referencing This Book - (Show below) - (Hide below)

    BS 1289-1:1986 Flue blocks and masonry terminals for gas appliances Specification for precast concrete flue blocks and terminals
    BS 1179-6:1980 Glossary of terms used in the gas industry Combustion and utilization including installation at consumers\' premises
    BS 1289-2:1989 Flue blocks and masonry terminals for gas appliances Specification for clay flue blocks and terminals
    BS 3813-1:1964 Specification for incinerators for waste from trade and residential premises Capacities between 50 lb/h and 1000 lb/h
    PD 6501-1:1982 The preparation of British Standards for building and civil engineering Guide to the types of British Standard, their aims, relationship, content and application
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