R |
Disposal systems |
R1 |
Drainage |
R10 |
Above ground rainwater drainage systems |
R11 |
Above ground foul drainage systems |
R12 |
Below ground drainage systems |
R13 |
Land drainage systems |
R14 |
Laboratory and industrial waste disposal systems |
R17 |
Septic tanks and cesspits |
R2 |
Sewerage |
R20 |
Sewage pumping |
R21 |
Sewage treatment and sterilisation systems |
R3 |
Refusedisposal |
R30 |
Centralised vacuum cleaning systems |
R31 |
Refuse chutes |
R32 |
Compactors and macerators |
R33 |
Incineration plant |
R9 |
Domesticdiposal |
R90 |
Waste disposal systems - domestic |
R91 |
Refuse disposal systems - domestic |
S |
Pipedsupply systems |
S1 |
Watersupply |
S10 |
Hot and cold water supply systems |
S11 |
Deionised and distilled water supply systems |
S12 |
Water treatment systems |
S13 |
Pressurised water supply systems |
S14 |
Irrigation systems |
S15 |
Fountains and water features |
S16 |
Bore hole systems |
S17 |
Water reclamation systems |
S18 |
Swimming pool water treatment systems |
S2 |
Medicalgas supply |
S20 |
Medical oxygen supply systems |
S21 |
Medical nitrous oxide supply systems |
S22 |
Medical compressed air supply systems |
S23 |
Medical vacuum systems |
S24 |
Medical entonox supply systems |
S25 |
Medical anaesthetic gas scavenging systems |
S3 |
Gassupply |
S30 |
Compressed air supply systems |
S31 |
Instrument air supply systems |
S32 |
Natural gas supply systems |
S33 |
Liquefied petroleum gas supply systems |
S34 |
Laboratory gas supply systems |
S35 |
Industrial vacuum systems |
S4 |
Fuelsupply |
S40 |
Petrol and diesel supply systems |
S41 |
Fuel oil supply systems |
S5 |
Steamsupply |
S51 |
Steam and condensate systems |
S6 |
Firefighting - water |
S60 |
Fire hose reel systems |
S61 |
Dry riser systems |
S62 |
Wet riser systems |
S63 |
Sprinkler systems |
S64 |
Deluge systems |
S65 |
Fire hydrant systems |
S66 |
Fine spray systems |
S7 |
Firefighting – gas and foam |
S70-75 |
Gas fire fighting systems |
S76 |
Foam fire fighting systems |
S9 |
Domesticpiped supply systems |
S90 |
Hot and cold water supply systems - domestic |
S91 |
Gas supply systems - domestic |
S92 |
Sprinkler systems - domestic |
T |
Mechanicalheating, cooling and refrigeration systems |
T1 |
Heating |
T10 |
Heating systems |
T2 |
Heatsources |
T20 |
Gas and oil fired boilers |
T21 |
Coal fired boilers |
T22 |
Electrode and direct electric boilers |
T23 |
Steam boilers and equipment |
T24 |
Alternative fuel boilers |
T25 |
Combined heat and power units |
T26 |
Solar collectors |
T3 |
Heatemitters |
T30 |
Heat emitters |
T36 |
Direct gas fired heating units |
T4 |
Heatingand cooling |
T40 |
Heat pump systems |
T41 |
Variable refrigerant cooling systems |
T42 |
Underfloor heating and cooling |
T43 |
Geothermal heat recovery systems |
T5 |
Cooling |
T50 |
Chilled water systems |
T51 |
Chilled ceilings and beams |
T6 |
Refrigerationplant |
T60 |
Central refrigeration plant |
T7 |
Specialistrefrigeration |
T71 |
Cold rooms |
T72 |
Ice pads |
T9 |
Domesticheating, cooling and refrigeration |
T90 |
Heating systems - domestic |
U |
Ventilationand air conditioning systems |
U1 |
Ventilation |
U10 |
Ventilation systems |
U12 |
Kitchen extract equipment |
U14 |
Smoke extract and smoke control systems |
U2 |
Specialistextract |
U20 |
Dust collection systems |
U21 |
Safety cabinet extract systems |
U22 |
Fume cupboard extract systems |
U23 |
Laboratory extract systems |
U24 |
Industrial fume extract systems |
U3 |
Airconditioning |
U30 |
Air conditioning systems |
U4 |
Airconditioning equipment |
U40 |
Induction units |
U41 |
Fan-coil units |
U42 |
Variable air volume terminal units |
| |
U6 |
Localair conditioning |
U60 |
Local air conditioning units |
U8 |
Generalair handling equipment |
U80 |
Air ductwork and ancillaries |
U81 |
Air handling units |
U82 |
Fans |
U83 |
Air filtration |
U84 |
Heating and cooling coils |
U85 |
Heat recovery |
U86 |
Air treatment |
U87 |
Silencers and acoustic treatment |
U88 |
Air terminal devices |
U9 |
Domesticventilation and air conditioning systems |
U90 |
Ventilation systems - domestic |
U91 |
Air conditioning systems - domestic |
V |
Electricalsystems |
V1 |
Electricitysupply |
V10 |
High voltage connection |
V11 |
Low voltage connection |
V12 |
Generator systems |
V13 |
Wind power systems |
V14 |
Photovoltaic systems |
V2 |
Highvoltage distribution |
V20 |
High voltage distribution systems |
V21 |
High voltage switchgear |
V22 |
Fluid immersed transformers |
V23 |
Dry transformers |
V24 |
High voltage cabling |
V3 |
Lowvoltage distribution |
V30 |
Low voltage distribution systems |
V31 |
Low voltage switchgear |
V32 |
Low voltage cabling |
V33 |
Busbar trunking |
V34 |
Controls and starters |
V36 |
Power factor correction equipment |
V37 |
Harmonic filtering equipment |
V39 |
Electrical inspection and testing |
V4 |
Power |
V40 |
Small power systems |
V41 |
Three phase power systems |
V42 |
Extra low voltage power supply |
V43 |
Direct current power supply |
V44 |
Uninterruptible power supply |
V5 |
Generallighting |
V50 |
General lighting systems |
V51 |
Automatic lighting controls |
V55 |
Self contained emergency lighting and signage systems |
V56 |
Central battery emergency lighting and signage systems |
V57 |
Static inverter emergency lighting and signage systems |
V59 |
General luminaires and lamps |
V6 |
Specialistlighting |
V60 |
Roadway lighting systems |
V61 |
Amenity lighting systems |
V67 |
Underwater lighting systems |
V69 |
Specialist luminaires and lamps |
V8 |
Generalelectrical |
V80 |
Electrical identification |
V81 |
Earthing and bonding |
V9 |
Domesticelectrical systems |
V90 |
Electrical systems - domestic |
V91 |
Electrical systems - landscape |
W |
Communications,security, safety and protection systems |
W1 |
Audio |
W10 |
Radio distribution systems |
W11 |
Public address systems |
W12 |
Music systems |
W16 |
Induction loop systems |
W17 |
Infra red systems |
W18 |
Sound field systems |
W2 |
Audiovisual |
W20 |
Television distribution systems |
W25 |
Presentation and conferencing systems |
W3 |
Voiceand data |
W30 |
Telecommunications systems |
W31 |
Passive data distribution |
W32 |
Active data distribution |
W4 |
Security |
W40 |
Access control systems |
W41 |
Intruder detection and alarm systems |
W44 |
Closed circuit television systems |
W46 |
Detection arch systems |
W5 |
Safety |
W50 |
Fire detection and alarm systems |
W51 |
Voice evacuation systems |
W53 |
Assistance call systems |
W54 |
Incident call systems |
W55 |
Patient call systems |
W57 |
Gas detection and alarm systems |
W58 |
Leak detection and alarm systems |
W6 |
Protection |
W60 |
Lightning protection systems |
W61 |
Electronic surge protection units |
W7 |
Displayand information |
W70 |
Personnel counting systems |
W71 |
Moving message display systems |
W72 |
Customer tracking systems |
W73 |
Timing systems |
W9 |
Domesticcommunications, security, safety and protection |
W90 |
Communications and security systems - domestic |
X |
Transportsystems |
X1 |
Personneltransport |
X10 |
Lift systems |
X15 |
Escalators |
X16 |
Moving pavements |
X17 |
Powered stair lifts |
X18 |
Fire escape chutes and slings |
X2 |
Goodstransport |
X20 |
Hoists |
X21 |
Cranes |
X22 |
Travelling cradles, gantries and ladders |
X23 |
Goods distribution and mechanised warehousing systems |
X3 |
Documentstransport |
X30 |
Mechanical document conveying systems |
X31 |
Pneumatic document conveying systems |
X32 |
Automatic document filing and retrieval systems |
X9 |
Domestictransport systems |
X90 |
Transport systems - domestic |
Y |
Generalengineering services |
Y1 |
Pipelinesand ancillaries |
Y10 |
Pipelines |
Y11 |
Pipeline ancillaries |
Y12 |
Mechanical cleaning and chemical treatment |
Y2 |
Pipelineequipment |
Y20 |
Pumps |
Y21 |
Tanks and cisterns |
Y3 |
Generalmechanical |
Y30 |
Mechanical thermal insulation |
Y31 |
Vibration isolation mountings |
Y32 |
Mechanical plant and equipment identification |
Y4 |
Controls |
Y40 |
Central controls and building management systems |
Y5 |
Commissioning |
Y50 |
Mechanical testing and commissioning |
Y6 |
Generalwired services |
Y60 |
Conduit and trunking |
Y63 |
Cable supports |
Y65 |
Electrical accessories |
