C Demolition/ Alteration/ Renovation
C41 Repairing/ Renovating/ Conserving masonry: 530, 610, 630, 640, 675
C42 Repairing/ Renovating/ Conserving concrete: 310
D Groundwork
D30 Piling: 480
D40 Embedded retaining walls: 480
E In situ concrete/Large precast concrete
E10 Mixing/casting/curing in situ concrete: 20, 105, 132, 418, 430
E40 Designed joints in in situ concrete: 310, 530
E41 Worked finishes to in situ concrete: 335, 520
F Masonry
F10 Brick/ block walling: 5, 10, 18, 20, 25, 36, 110, 170, 230, 255, 290, 295, 335, 345, 355
F11 Glass block walling: 15, 116, 121, 136, 141
F20 Natural stone rubble walling: 10, 110
F21 Natural stone/ ashlar walling/ dressings: 110
F22 Cast stone ashlar walling/dressings: 110
F30 Accessories/ sundry items for brick/ block/ stone walling: 76, 610, 670
G Structural/Carcassing metal/timber
G10 Structural steel framing: 55, 443
H Cladding/Covering
H11 Curtain walling: 772, 775, 777
H13 Structural glass assemblies: 740, 750
H20 Rigid sheet cladding: 10, 150
H30 Fibre cement profiled sheet cladding/ covering: 10, 20, 25, 110, 120, 150, 151, 155, 160, 234, 247
H31 Metal profiled/ flat sheet cladding/ covering: 10, 30, 110, 120, 150, 155, 160, 234
H32 Plastics profiled sheet cladding/covering: 110, 111, 115, 120
H41 Glass fibre reinforced plastics cladding/ features: 655
H42 Precast concrete panel cladding/ features: 661
H43 Metal composite panel cladding/ covering: 10, 30, 120, 130, 150, 155, 160, 234
H51 Natural stone slab cladding/ lining/ features: 610, 630
H60 Plain roof tiling: 40, 290
H61 Fibre cement slating: 40, 290
H62 Natural slating: 40, 290
H65 Single lap roof tiling: 40, 290
H71 Lead sheet coverings/ flashings: 83, 85, 770, 780, 790
H72 Aluminium strip/ sheet coverings/ flashings: 65, 770, 780, 790
H73 Copper strip/ sheet coverings/ flashings: 73, 770, 780, 790
H74 Zinc strip/ sheet coverings/ flashings: 65, 770, 780, 790
H75 Stainless steel strip/ sheet coverings/ flashings: 65, 770, 780, 790
J Waterproofing
J10 Cementitious mortar tanking/ damp proofing: 110
J21 Mastic asphalt roofing/ insulation/ finishes: 770
J30 Liquid applied tanking/ damp proofing: 10, 110, 130
J31 Liquid applied waterproof roof coatings: 5, 10, 35, 110, 120, 130, 335
J40 Flexible sheet tanking/ damp proofing: 40, 190
K Linings/ Sheathing/ Dry partitioning
K10 Plasterboard dry linings/ partitions/ ceilings: 15, 25, 30, 35, 41, 45, 50, 115, 125, 145, 155, 165, 175, 185, 205, 215, 220, 245
K13 Rigid sheet fine linings and panelling: 370
K21 Wood strip/ board fine flooring/ linings: 10, 20, 115, 145, 146
L Windows/ Doors/ Stairs
L10 Windows/ Rooflights/ Screens/ Louvres: 810
L20 Doors/ shutters/ hatches: 80, 820
M Surface finishes
M10 Cement based levelling/ wearing screeds: 12, 115, 130, 140
M12 Resin flooring: 10, 110
M20 Plastered/ Rendered/ Roughcast coatings: 19, 160
M21 Insulation with rendered finish: 20, 210
M40 Stone/ concrete/ quarry/ ceramic tiling/ mosaic: 5, 10, 75, 110, 115, 120, 470, 805, 815
M41 Terrazzo tiling/ in situ terrazzo: 455
M42 Wood block/composition block/mosaic parquet flooring: 10, 20, 110, 120, 150
M50 Rubber/ plastics/ cork/ lino/ carpet tiling/ sheeting: 65, 460, 640
N Furniture/ Equipment
N10 General fixtures/ furnishings/ equipment: 80, 760
N13 Sanitary appliances and fittings: 755
Q Paving/Planting/Fencing/Site furniture
Q10 Kerbs/ edgings/ channels/ paving accessories: 650
Q25 Slab/ brick/ sett/ cobble pavings: 440, 465
Q37 Green roofs: 110, 120, 130, 340, 360
R Disposal systems
R10 Rainwater drainage systems: 360
R12 Below ground drainage systems: 773