CAWS |
Block/Section title |
|
|
Block/Section title |
B |
Complete buildings /structures/
units |
|
B |
Complete buildings /structures/
units |
B20 |
Residential projects |
|
B06
|
Engineering services general
description |
C |
Existing site /buildings /services |
|
C |
Existing site /buildings /services |
C10 |
Removal of complete
systems |
|
|
|
C12 |
Underground services survey |
|
|
|
C14 |
Building services survey |
|
|
|
C20 |
Demolition |
|
C20 |
Demolition |
C21 |
Toxic/hazardous material removal |
|
|
|
C90 |
Alterations - spot items |
|
|
|
|
|
|
K |
Linings/ Sheathing/ Dry partitioning |
|
|
|
K45
|
Suspended ceiling system
alterations
|
|
|
|
K46
|
Raised access floor system
alterations
|
|
|
|
L |
Windows/ Doors/ Stairs |
|
|
|
L35
|
Fixed utilitarian access
systems
|
N |
Furniture/ Equipment |
|
N |
Furniture/ Equipment |
N10 |
General fixtures/furnishings / equipment |
|
|
|
N11 |
Domestic kitchen fittings |
|
|
|
N12 |
Catering equipment |
|
|
|
N13 |
Sanitary appliances/fittingss |
|
N13 |
Sanitary appliances and fittings |
|
|
|
N15
|
Fire and safety signage systems
|
N20 |
Special purpose fixtures |
|
|
|
|
|
|
P |
Building fabric sundries |
|
|
|
P12
|
Fire stopping systems
|
|
|
|
P30 |
Trenches/ Pipeways/ Pits for buried engineering
services |
|
|
|
P31 |
Holes/ Chases/ Covers/ Supports for services |
|
|
|
P32
|
Services painting systems
|
|
|
|
P33
|
Plinths and bund systems
|
R |
Disposal systems |
|
R |
Disposal systems |
R1 |
Drainage |
|
R1 |
Drainage |
R10 |
Rainwater pipework/gutters |
R10 |
R10 |
Rainwater drainage systems |
R11 |
Foul drainage above ground |
R11 |
R11 |
Above ground foul drainage systems |
R12 |
Drainage below ground |
R12 |
R12 |
Below ground drainage systems |
R13 |
Land drainage |
R13 |
R13 |
Land drainage systems |
R14 |
Laboratory/Industrial waste drainage |
R14 |
R14 |
Laboratory and industrial waste disposal
systems |
|
|
|
R16 |
Ground water pressure relief drainage |
R19 |
Rainwater and foul
drainage above ground - (self contained) |
|
R17 |
Soakaways, septic tanks and sewage treatment
plant |
|
|
|
R18 |
Pumping stations and pressure pipelines |
R2 |
Sewerage |
|
R2 |
Sewerage |
R20 |
Sewage pumping |
R20 |
R20 |
Sewage pumping |
R21 |
Sewage treatment/sterilisation |
R21 |
R21 |
Sewage treatment and sterilisation systems |
|
|
|
R23 |
Sewage treatment systems |
|
|
|
R24 |
Constructed wetlands |
R3 |
Refuse disposal |
|
R3 |
Refuse disposal |
R30 |
Centralised vacuum cleaning |
|
R30 |
Centralised vacuum cleaning systems |
R31 |
Refuse chutes |
R31 |
R31 |
Refuse chutes |
R32 |
Compactors/Macerators |
R32 |
R32 |
Compactors and macerators |
R33 |
Incineration plant |
R33 |
R33 |
Incineration plant |
|
|
|
R9 |
Domestic disposal |
|
|
|
R90 |
Waste disposal systems - domestic |
|
|
|
R91 |
Refuse disposal systems - domestic |
S |
Piped supply systems |
|
S |
Piped supply systems |
S1 |
Water supply |
|
S1 |
Water supply |
S10 |
Cold Water |
S10 + S11 |
S10 |
Hot and cold water supply systems |
S11 |
Hot water |
|
|
|
S12 |
Hot and cold water - self contained |
S20 |
S12 |
Water treatment equipment |
S13 |
Pressurised water |
S13 |
S13 |
|
S14 |
Irrigation |
S14 |
S14 |
Irrigation |
S15 |
Fountains/Water features |
S15 |
S15 |
Fountains and water features |
S16 |
Borehole/well supply |
|
S16 |
Bore hole systems |
S17 |
Water reclamation system |
|
S17 |
Water reclamation systems |
|
|
S21 |
S18 |
Swimming pool water treatment systems |
|
|
|
|
|
S2 |
Treated on site water supply |
|
S2 |
Medical gas supply |
S20 |
Treated/Deionised/Distilled water |
S34 |
S20 |
Medical oxygen supply systems |
S21 |
Swimming pool water treatment |
S34 |
S21 |
Medical nitrous oxide supply systems |
S22 |
High purity water |
S34 |
S22 |
Medical compressed air supply systems |
|
|
S34 |
S23 |
Medical vacuum systems |
|
|
S34 |
S24 |
Medical entonox supply systems |
|
|
U17 |
S25 |
Medical anaesthetic gas scavenging systems |
|
|
S34 |
S29 |
Medical gas equipment |
|
|
|
|
|
S3 |
Gas supply |
|
S3 |
Gas supply |
S30 |
Compressed air |
S30 |
S30 |
Compressed air supply systems |
S31 |
Instrument air |
S31 |
S31 |
|
S32 |
Natural gas |
S32 |
S32 |
Natural gas supply systems |
S33 |
Liquefied petroleum gas |
S33 |
S33 |
Liquefied petroleum gas supply systems |
S34 |
Medical/Laboratory gas |
S34 |
S34 |
Laboratory gas supply systems |
|
|
S50 |
S35 |
Biogas systems |
S4 |
Petrol/Oil storage |
|
S4 |
Fuel supply |
S40 |
Petrol/Diesel storage/distribution |
S40 |
S40 |
Petrol and diesel supply systems |
S41 |
Fuel oil storage/distribution |
S41 |
S41 |
Fuel oil supply systems |
|
|
|
S42 |
Biofuel systems |
S5 |
Other supply systems |
|
S5 |
Steam supply |
S50 |
Vacuum |
S51 |
S51 |
Steam and condensate systems |
S51 |
Steam |
|
|
|
S52 |
Clean steam |
|
|
|
S53 |
High pressure steam |
|
|
|
S6 |
Fire fighting - water |
|
S6 |
Fire fighting - water |
S60 |
Fire hose reels |
S60 |
S60 |
Fire hose reel systems |
S61 |
Dry risers |
S61 |
S61 |
Dry riser systems |
S62 |
Wet risers |
S62 |
S62 |
Wet riser systems |
S63 |
Sprinklers |
S63 |
S63 |
Sprinkler systems |
S64 |
Deluge |
S64 |
S64 |
Deluge systems |
S65 |
Fire hydrants |
S65 |
S65 |
Fire hydrant systems |
|
|
|
S66 |
Water mist systems |
S7 |
Fire fighting - gas/foam |
|
S7 |
Fire fighting - gas and foam |
S70 |
Gas fire fighting |
S70 |
S70 |
Gaseous fire-extinguishing systems |
S71 |
Foam fire fighting |
S71 |
S76 |
Foam fire fighting systems |
S72 |
Powder fire fighting |
|
|
|
|
|
|
S9 |
Domestic piped supply systems |
|
|
S12 |
S90 |
Hot and cold water supply systems - domestic |
|
|
|
S91 |
Gas supply systems - domestic |
|
|
|
S92 |
Sprinkler systems - domestic |
T |
Mechanical heating/ Cooling/ Refrigeration
systems |
|
T |
Mechanical heating, cooling and
refrigeration systems |
T1 |
Heat source |
|
T1 |
Heating |
T10 |
Gas/Oil fired boilers |
T30, T31, T33 |
T10 |
Heating systems |
T11 |
Coal fired boilers |
|
|
|
T12 |
Electrode/Direct electric boilers |
|
|
|
T13 |
Packaged steam generators |
|
|
|
T14 |
Heat pumps |
|
|
|
T15 |
Solar collectors |
|
|
|
T16 |
Alternative fuel boilers |
|
|
|
T19 |
CHP |
|
|
|
T2 |
Primary heat distribution |
|
T2 |
Heat sources |
T20 |
Primary heat distribution |
T10 |
T20 |
Gas and oil fired boilers |
|
|
T11 |
|
|
|
|
T12 |
T22 |
Electrode and direct electric boilers |
|
|
|
T23 |
Steam boilers and equipment |
|
|
T14 |
T24 |
Solid fuel boilers |
|
|
T15 |
T25 |
Combined heat and power equipment systems |
|
|
T16 |
T26 |
Solar collectors |
|
|
|
|
|
T3 |
Heat distribution/utilisation -
water |
|
T3 |
Heat emitters |
T30 |
Medium temperature hot water heating |
T30, T31, U70 |
T30 |
Heat emitters |
T31 |
Low temperature hot water heating |
|
|
|
T32 |
Low temperature hot water heating (self-contained
specification) |
|
|
|
T33 |
Steam heating |
|
|
|
|
|
T40 |
T36 |
Direct gas fired heating units |
|
|
|
|
|
T4 |
Heat distribution/utilisation -
air |
|
T4 |
Heating and cooling |
T40 |
Warm air heating |
T50 |
T40 |
Heat pump systems |
T41 |
Warm air heating (self-contained specification) |
|
T41 |
Variable refrigerant flow systems |
T42 |
Local heating units |
|
T42 |
Underfloor heating and cooling systems |
|
|
|
|
|
T5 |
Heat recovery |
|
T5 |
Cooling |
T50 |
Heat recovery |
T60, T61 |
T50 |
Chilled water systems |
|
|
|
T51 |
Climatic ceiling and beam systems |
|
|
|
|
|
|
|
|
|
|
T6 |
Central refrigeration/Distribution |
|
T6 |
Refrigeration plant |
T60 |
Central refrigeration plant |
T60 |
T60 |
Central refrigeration plant |
T61 |
Primary/secondary cooling
distribution |
|
|
|
T62 |
VRV systems |
|
|
|
T69 |
Chilled water - self
contained |
|
|
|
T7 |
Local cooling/Refrigeration |
|
T7 |
Specialist refrigeration |
T70 |
Local cooling units |
|
|
|
T71 |
Cold rooms |
T71 |
T71 |
Cold rooms |
T72 |
Ice pads |
T72 |
T72 |
Ice pads |
|
|
|
T9 |
Domestic heating, cooling and refrigeration
systems |
|
|
T32 |
T90 |
Heating systems - domestic |
U |
Ventilation/Air conditioning systems |
|
U |
Ventilation and air conditioning
systems |
U1 |
Ventilation/Fume extract |
|
U1 |
Ventilation systems |
U10 |
General ventilation |
U10, U11, U16 |
U10 |
Ventilation systems |
U11 |
Toilet ventilation |
|
|
|
U12 |
Kitchen ventilation |
U12 |
U12 |
Kitchen ventilation equipment |
U13 |
Car parking ventilation |
U13 |
U13 |
Car parking ventilation systems |
U14 |
Smoke extract/Smoke control |
U14 |
U14 |
Smoke and heat control systems |
U15 |
Safety cabinet/Fume cupboard extract |
|
|
|
U16 |
Fume extract |
|
|
|
U17 |
Anaesthetic gas extract |
|
|
|
U19 |
Ventilation - self
contained |
|
|
|
U2 |
Industrial extract |
|
U2 |
Specialist extract |
U20 |
Dust collection |
U20 |
U20 |
Dust collection systems |
|
|
U15 |
U21 |
Safety cabinet and fume cupboard extract
systems |
|
|
|
|
|
|
|
|
U24 |
Industrial fume extract systems |
|
|
|
|
|
U3 |
Air conditioning - all air |
|
U3 |
Air conditioning - all air |
U30 |
Low velocity air conditioning |
U30, U31, U32, U33
|
U30 |
Air conditioning systems |
U31 |
VAV air conditioning |
|
|
|
U32 |
Dual duct air conditioning |
|
|
|
U33 |
Multi-zone air conditioning |
|
|
|
U39 |
Air conditioning -
self contained |
|
|
|
U4 |
Air conditioning - air/water |
|
U4 |
Air conditioning - air and water |
U40 |
Induction air conditioning |
U40 |
U40 |
Induction units |
U41 |
Fan-coil air conditioning |
U41 |
U41 |
Fan-coil units |
U42 |
Terminal re-heat air conditioning |
U31 |
U42 |
Variable air volume terminal units |
U43 |
Terminal heat pump air conditioning |
|
|
|
U5 |
Air conditioning - hybrid |
|
|
|
U50 |
Hybrid system air conditioning |
|
|
|
U6 |
Air conditioning - local |
|
U6 |
Local air conditioning |
U60 |
Air conditioning units |
|
U60 |
Local air conditioning systems |
U61 |
Passive cooling |
|
|
|
U7 |
Other air systems |
|
|
|
U70 |
Air curtains |
|
|
|
|
|
|
U8 |
General air handling equipment |
|
|
Y30 |
U80 |
Air ductwork and ancillaries |
|
|
Y40 |
U81 |
Air handling units |
|
|
Y41 |
U82 |
Fans |
|
|
Y42 |
U83 |
Air filtration |
|
|
Y43 |
U84 |
Heating and cooling coils |
|
|
|
U85 |
Heat recovery |
|
|
Y44 |
U86 |
Air treatment |
|
|
Y45 |
U87 |
Silencers and acoustic treatment |
|
|
Y46 |
U88 |
Air terminal devices |
|
|
|
U9 |
Domestic ventilation and air conditioning
systems |
|
|
|
U90 |
Ventilation systems - domestic |
|
|
|
U91 |
Air conditioning systems - domestic |
V |
Electrical supply/ power/lighting
systems |
|
V |
Electrical systems |
V1 |
Generation/Supply/HV distribution |
|
V1 |
Electricity supply |
V10 |
Electricity generation plant |
V11 |
V10 |
High voltage connection |
V11 |
HV supply/distribution/public utility supply |
V12 |
V11 |
Low voltage connection |
V12 |
LV supply/public utility supply |
V10 |
V12 |
Generator systems |
|
|
|
V13 |
Wind power systems |
|
|
|
V14 |
Photovoltaic systems |
V2 |
General LV distribution/lighting/power |
|
V2 |
High voltage distribution |
V20 |
LV distribution |
V11 |
V20 |
High voltage distribution systems |
V21 |
General lighting |
Y70 |
V21 |
High voltage switchgear |
V22 |
General LV power |
V11 |
V22 |
Fluid immersed transformers |
|
|
V11 |
V23 |
Dry-type transformers |
|
|
Y61 |
V24 |
High voltage cabling |
V3 |
Special types of supply/distribution |
|
V3 |
Low voltage distribution |
V30 |
Extra low voltage supply |
V20 |
V30 |
Low voltage distribution systems |
V31 |
DC supply |
Y71 |
V31 |
Low voltage switchgear |
V32 |
Uninterruptible power supply |
Y61 |
V32 |
Low voltage cabling |
|
|
Y62 |
V33 |
Busbar trunking |
|
|
Y72 |
V34 |
Controls and starters |
|
|
Y72 |
V36 |
Automatic power factor correction equipment |
|
|
Y72 |
V37 |
Harmonic filtering equipment |
|
|
Y81 |
V39 |
Electrical inspection and testing |
V4 |
Special lighting |
|
V4 |
Power
|
V40 |
Emergency lighting |
V22 |
V40 |
Small power systems |
V41 |
Street/Area/Flood lighting |
V22 |
|
|
V42 |
Studio/Auditorium/Arena lighting |
V30 |
V42 |
Extra low voltage power supply |
|
|
V31 |
V43 |
Direct current power supply |
|
|
V32 |
V44 |
Uninterruptible power supply |
V5 |
Electric heating |
|
V5 |
General lighting |
V50 |
Electric underfloor/ceiling heating |
V21 |
V50 |
General lighting systems |
V51 |
Local electric heating units |
V21 |
V51 |
Automatic lighting controls |
|
|
V40 |
V55 |
Self contained emergency and signage systems |
|
|
V40 |
V56 |
Central battery emergency and signage systems |
|
|
V40 |
V57 |
Static inverter emergency and signage systems |
|
|
Y73 |
V59 |
General luminaires and lamps |
|
|
|
V6 |
Specialist lighting |
|
|
V41 |
V60 |
External lighting systems |
|
|
V41 |
|
|
|
|
|
V67 |
Underwater lighting systems |
|
|
Y73 |
V69 |
Specialist luminaires and lamps |
|
|
|
V8 |
General electrical |
|
|
Y82 |
V80 |
Electrical identification |
|
|
Y80 + W51 |
V81 |
Earthing and bonding systems |
V9 |
General/Other electrical work |
|
V9 |
Domestic electrical systems |
V90 |
Electrical installation (self-contained
specification) |
V90 |
V90 |
Electrical systems - domestic |
W |
Communications/Security /Control
systems |
|
W |
Communications, security, safety
and protection systems |
W1 |
Communications - speech/audio |
|
W1 |
Audio |
W10 |
Telecommunications |
W20 |
W10 |
Radio distribution systems |
W11 |
Paging/Emergency call |
W12 |
W11 |
Public address systems |
W12 |
Public address/Conference audio facilities |
|
W12 |
Music systems |
W14 |
Patient to nurse call |
|
W16 |
Induction-loop systems |
|
|
|
W17 |
Infra red systems |
W15 |
Facilities for disabled |
|
W18 |
Sound field systems |
W2 |
Communications - audio-visual |
|
W2 |
Audio visual |
W20 |
Radio/TV/CCTV |
W20 |
W20 |
Television and radio distribution systems |
W21 |
Projection |
W21 + W22 |
W25 |
Presentation and conferencing systems |
W22 |
Information/Advertising display |
|
|
|
W23 |
Clocks |
|
|
|
W3 |
Communications - data |
|
W3 |
Voice and data |
W30 |
Data transmission |
W10 |
W30 |
Telecommunications systems |
|
|
W30 |
W31 |
Data distribution systems |
|
|
W30 |
W32 |
Active data distribution |
W4 |
Security |
|
W4 |
Security |
W40 |
Access control |
W40 |
W40 |
Access control systems |
W41 |
Security detection and alarm |
W41 |
W41 |
Intruder detection and alarm systems |
|
|
W20 |
W44 |
Closed circuit television systems |
|
|
|
W46 |
Detection arch systems |
|
|
|
|
|
W5 |
Protection |
|
W5 |
Safety |
W50 |
Fire detection and alarm |
W50 |
W50 |
Fire detection and alarm systems |
W51 |
Earthing and bonding |
|
W51 |
Voice evacuation systems |
W52 |
Lightning protection |
W11 |
W53 |
Assistance call systems |
W53 |
Electromagnetic screening |
W11 |
W54 |
Incident call systems |
W54 |
Liquid detection alarm |
W11 |
W55 |
Nurse call systems |
|
|
|
W57 |
Gas detection and alarm systems |
|
|
W54 |
W58 |
Water leak detection and alarm systems |
W6 |
Central control |
|
W6 |
Protection |
W60 |
Central control/Building management |
W52 |
W60 |
Lightning protection |
W69 |
Central control/Building
management - self contained |
|
W61 |
Electronic surge protection units |
|
|
|
W7 |
Display and information |
W70 |
Structured cabling
system |
|
W70 |
Personnel counting systems |
|
|
|
W71 |
Moving message display systems |
|
|
|
W72 |
Customer tracking systems |
|
|
|
W73 |
Timing systems |
|
|
|
|
|
|
|
|
W9 |
Domestic communications, security,
safety and protection |
|
|
|
W90 |
Communications and security systems - domestic |
X |
Transport systems |
|
X |
Transport systems |
X1 |
People/Goods |
|
X1 |
Personnel transport |
X10 |
Lifts |
X10 |
X10 |
Lift systems |
X11 |
Escalators |
|
|
|
X12 |
Moving pavements |
X11 |
X15 |
Escalators |
X13 |
Powered stairlifts |
X12 |
|
|
X14 |
Fire escape chutes/slings |
X13 |
X17 |
Powered stair lifts |
X19 |
Lifts - pre-engineered
- (self contained) |
X14 |
X18 |
Fire escape chutes and slings |
X2 |
Goods/Maintenance |
|
X2 |
Goods transport |
X20 |
Hoists |
X20 |
X20 |
Hoists |
X21 |
Cranes |
|
|
|
X22 |
Travelling cradles/gantries/ladders |
X22 |
X22 |
Travelling cradles, gantries and ladders |
X23 |
Goods distribution/ Mechanised warehousing |
X23 |
X23 |
Goods distribution and mechanised warehousing
systems |
X3 |
Documents |
|
X3 |
Documents transport |
X30 |
Mechanical document conveying |
X30 |
X30 |
Mechanical document conveying systems |
X31 |
Pneumatic document conveying |
X31 |
X31 |
Pneumatic document conveying systems |
X32 |
Automatic document filing and retrieval |
X32 |
X32 |
Automatic document filing and retrieval
systems |
|
|
|
X9 |
Transport systems - domestic |
|
|
|
X90 |
Transport systems - domestic |
Y |
Services reference specification |
|
Y |
General engineering services |
Y1 |
Pipelines and ancillaries |
|
Y1 |
Pipelines and ancillaries |
Y10 |
Pipelines |
Y10 |
Y10 |
Pipelines |
Y11 |
Pipeline ancillaries |
Y11 |
Y11 |
Pipeline ancillaries |
|
|
Y25 |
Y12 |
Mechanical cleaning and chemical treatment |
Y2 |
General pipeline equipment |
|
Y2 |
Pipeline equipment |
Y20 |
Pumps |
Y20 |
Y20 |
Pumps |
Y21 |
Water tanks/cisterns |
Y21 |
Y21 |
Tanks and cisterns |
Y22 |
Heat exchangers |
|
|
|
Y23 |
Storage cylinders/Calorifiers |
|
|
|
Y24 |
Trace heating |
|
Y24 |
Trace heating |
Y25 |
Cleaning and chemical treatment |
|
|
|
Y3 |
Air ductlines and ancillaries |
|
Y3 |
General mechanical |
Y30 |
Air ductlines/ancillaries |
Y50 |
Y30 |
Mechanical thermal insulation |
|
|
Y52 |
Y31 |
Vibration isolation mountings |
|
|
Y54 |
Y32 |
Mechanical plant and equipment identification |
|
|
|
Y35 |
Flues and chimneys |
Y4 |
General air ductline equipment |
|
Y4 |
Controls |
Y40 |
Air handling units |
W60 + Y53 |
Y40 |
Central controls and building management
systems |
Y41 |
Fans |
|
|
|
Y42 |
Air filtration |
|
|
|
Y43 |
Heating/Cooling coils |
|
|
|
Y44 |
Air treatment |
|
|
|
Y45 |
Silencers/Acoustic treatment |
|
|
|
Y46 |
Grilles/Diffusers/Louvres |
|
|
|
Y5 |
Other common mechanical items |
|
Y5 |
Commissioning |
Y50 |
Thermal insulation |
Y51 |
Y50 |
Mechanical testing and commissioning |
Y51 |
Testing and commissioning of mechanical
services |
|
|
|
Y52 |
Vibration isolation mountings |
|
|
|
Y53 |
Control components - mechanical |
|
|
|
Y54 |
Identification - mechanical |
|
|
|
Y6 |
Cables and wiring |
|
Y6 |
General wired services |
Y60 |
Conduit and cable trunking |
Y60 |
Y60 |
Conduit and trunking |
Y61 |
HV/LV cables and wiring |
Y63 |
Y63 |
Cable supports |
Y62 |
Busbar trunking |
Y74 |
Y65 |
Electrical accessories |
Y63 |
Support components - cables |
|
|
|
Y7 |
General electrical equipment |
|
|
|
Y70 |
HV switchgear |
|
|
|
Y71 |
LV switchgear and distribution boards |
|
|
|
Y72 |
Contactors and starters |
|
|
|
Y73 |
Luminaires and lamps |
|
|
|
Y74 |
Accessories for electrical services |
|
|
|
Y8 |
Other common electrical items |
|
|
|
Y80 |
Earthing and bonding components |
|
|
|
Y81 |
Testing and commissioning of electrical
services |
|
|
|
Y82 |
Identification - electrical |
|
|
|
Y9 |
Other common mechanical and/or electrical
items |
|
|
|
Y90 |
Fixing to building fabric |
|
|
|
Y91 |
Off-site painting/Anti-corrosion treatments |
|
|
|
Y92 |
Motor drives - electric |
|
|
|
