5.6.8-1

Self-contained air conditioning units

Unit: nr Sub-Element: 5.6.8 - 8 Local air conditioning
Component Information
Code:
5.6.8-1
Sequence:
1
Unit:
nr
Sub-Element:
5.6.8 - 8 Local air conditioning
Description:

Self-contained air conditioning units

Details to State:

details to be stated

Component Statistics
5
Measurement Rules
14
Included Items
4
Excluded Items
Measurement Rules (5)
C1 1

Where components are to be enumerated, the number of components is to be stated.

C2 2

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.

C3 3

Work to existing buildings is to be described and identified separately.

C4 4

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.

C5 5

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 (14)
1.

Self-contained air conditioning units providing conditioned air to rooms or areas, including units with remote condensers. These include room air conditioners such as unitary reverse cycle heat pump terminal units with electric heating and reversing valve, and split systems such as air-cooled with direct expansion (DX) evaporator, plus gas, hot water or electric heaters.

2.

Separate clean room or other local air conditioning systems requiring air management, e.g. terminal reheat and terminal heat pump air conditioning systems. These include computer room air conditioners, minicomputer room enclosures, telecom equipment precision air conditioning systems and units.

3.

Distribution pipelines and pipeline fittings.

4.

Valves.

5.

Pumps.

6.

Distribution ductwork, ductwork fittings and ancillaries, e.g. supports, hangers, access openings and dampers (control, fire and smoke).

7.

Grilles, fans, filters and other ancillary components of local air conditioning systems.

8.

Vibration isolation mountings.

9.

Instrumentation and control components for local air conditioning systems.

10.

Thermal insulation.

11.

Air curtains (i.e. air movement systems for circulating a ‘curtain’ of tempered air across the dividing space between two areas of differing temperatures).

12.

Sundry items.

13.

Testing and commissioning.

14.

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 (4)
1. Ref: 5.5

Heat source (included in element 5.5).

2. Ref: 5.8.2

General-purpose LVLV power supplies (included in sub-element 5.8.2).

3. Ref: 5.12.3

Building management systems and other control systems (included in sub-element 5.12.3).

4. Ref: 5.14

Builder’s work in connection with services (included in element 5.14).

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