5.6.1-1
Central heating systems
Component Information
- Code:
- 5.6.1-1
- Sequence:
- 1
- Unit:
- m2
- Sub-Element:
- 5.6.1 - 1 Central heating
Central heating systems
details to be stated
Component Statistics
Measurement Rules
Included Items
Excluded Items
Measurement Rules (6)
The area measured is the area serviced by the system (i.e. the area of the rooms and circulation spaces that are served by the system, which is not necessarily the total GIFA of the building). The area serviced is measured using the GIFA.
Where more than one system is employed, the area measured for each system is the area serviced by the system.
Installations for residential units, hotel rooms, student accommodation units, etc. may be enumerated (nr). The type of residential unit or room, and size (by number of bedrooms) of unit, is to be stated.
Work to existing buildings is to be described and identified separately.
Where the contractor is only responsible for designing specific elements and/or components of the building project (i.e. not the entire building project), contractor-designed work is to be described and identified separately.
The percentage additions for testing and commissioning are to be applied to the total cost of the items comprising the sub-element. A single combined percentage addition can be applied to cover the costs of both testing and commissioning.
Included Items (27)
Heating systems from, and including everything within, the plant room specifically related to the heating system, excluding the heat source (including domestic heating and hot water systems).
Heat distribution pipelines from heat source to heat emitter or other equipment.
Heat emission units, such as: heat emitters; skirting heaters (e.g. natural convectors and perimeter skirting heaters); radiant strip heater systems; radiator systems; natural convectors; fan convectors; unit heaters; radiators (e.g. cast iron, steel and aluminium); convector heaters; continuous convectors; painting radiators.
In-screed embedded pipelines (i.e. underfloor heating).
Electrical underfloor heating systems.
Heated ceiling panels.
Warm air heating.
Convection systems.
Fan-assisted convection systems, including underfloor systems.
Cable heating systems.
Plenum air heating system.
Off-peak heating system, including storage radiators.
Distribution pipelines and pipeline fittings.
Heated towel rails, where an integral part of a heating system.
Valves and fittings.
Ductwork.
Air handling equipment.
Grilles, fans, filters and other ancillary components of central heating systems.
Plate recuperator.
Thermal wheel – rotary heat recuperator.
Duct heater battery – electric.
Cables.
Instrumentation and control components for heating systems.
Thermal insulation.
Sundry items.
Testing and commissioning.
Where works are to be carried out by a subcontractor, the subcontractor’s preliminaries, design fees, risk allowance, overheads and profit, with allowance for these to be made within unit rate applied to element or component.
Excluded Items (5)
Heat source (included in element 5.5).
Electrically operated heaters other than in storage radiator (included in sub-element 5.6.2).
General-purpose LVLV power supplies (included in sub-element 5.8.2).
Building management systems and other control systems (included in sub-element 5.12.3).
Builder’s work in connection with services (included in element 5.14).
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