C Demolition/Alteration/Renovation C40 Cleaning Masonry/ Concrete C C41 Repairing/Renovating/Conserving Masonary C C41/692 Make good holes with plastics plugs C41 C45 Damp Proof Course Renewal/ Insertion C C45/150 Remove external render C45 C45/165 Repair/repoint C45 C45/210 Chemical dpc C45 C45/220 Chemical dpc C45 C45/250 Make good holes with mortar C45 C52 Fungus/Beetle Eradication C C52/210 Dry rot eradication C52 C52/220 Wet rot eradication C52 C52/230 Insect eradication C52 C52/310 Inject masonry to protect timber C52 C52/318 Apply preservative paste on timber C52 C52/323 Inject timber with preservative C52 D Groundwork D20 Excavating and Filling D D20/280 Trench Fill Foundations D20 D20/410 Topsoil spoil heap D20 D20/617 Hardcore D20 D20/618 Hardcore D20 D20/625 Compacted subsoil filling D20 D20/626 General filling D20 D20/710 Hardcore backfill D20 D20/730 Blinding D20 D30 Piling (sub-section titles) D D30/--1 Precast/Prestressed Concrete Piles D30 D30/--2 Bored Cast inplace Piles D30 D30/--3 Other bored piles D30 D30/--4 Driven cast inplace piles D30 D30/--5 Steel bearing piles D30 E In Situ Concrete/Large Precast Concrete E05 In Situ Concrete Construction Generally E E05/410 Watertight concrete E05 E05/421 Watertight concrete E05 E05/430 Pressure grouting E05 E05/510 Exposed concrete E05 E05/610 In situ concrete sample E05 E10 Mixing/Casting/Curing in Situ Concrete E E10/132 In situ concrete E10 E10/150 In situ concrete E10 E10/630 Underlay E10 E20 Formwork for In Situ Concrete E E20/180 Collapsible board substructure formwork E20 E20/181 Compressible board substructure formwork E20 E20/195 Ventilated substructure formwork E20 E20/200 Underslab sheet insulation E20 E20/350 Form ties E20 E20/351 Form ties E20 E20/380 Expanded plastics void former E20 E20/390 Coffer unit E20 E20/400 Trough unit E20 E20/410 Expanded steel mesh formwork lining E20 E20/420 Ribbed steel mesh formwork and reinforcement E20 E20/430 Profiled steel sheet formwork and reinforcement E20 E20/620 Plain smooth finish E20 E20/630 Fine smooth finish E20 E20/640 Rough board finish E20 E20/650 Ribbed finish E20 E20/660 Form lining finish E20 E20/665 Form lining finish E20 E30 Reinforcement for In Situ Concrete E E30/140 Plain bar reinforcement E30 E30/150 Deformed bar reinforcement E30 E30/165 Galvanised reinforcement E30 E30/170 Stainless steel bar reinforcement E30 E30/210 Fabric reinforcement E30 E30/240 Prefabricated shear reinforcement system E30 E30/446 Mechanical joint E30 E40 Designed Joints in In Situ Concrete E E40/220 Precast concrete permanent side-forms E40 E40/230 Construction joint faces E40 E40/240 Crack inducer E40 E40/250 Crack inducer E40 E40/260 Crack inducing groove E40 E40/310 Flexible waterstop E40 E40/410 Tie bar E40 E40/420 Mesh tie strip E40 E40/430 Dowel bar E40 E40/510 Sliding joint membrane E40 E40/520 Joint filler E40 E40/530 Sealant E40 E40/540 Sealing strip E40 E41 Worked Finished to In Situ Concrete E E41/110 High strength concrete topping E41 E41/210 Tamped finish E41 E41/220 Scored finish E41 E41/230 Brushed finish E41 E41/240 Wood floated finish E41 E41/310 Smooth floated finish E41 E41/320 Trowelled finish E41 E41/330 Trowelled finish E41 E41/340 Dewatered trowelled finish E41 E41/410 Power ground finish E41 E41/420 Abrasive blasted finish E41 E41/430 Tooled finish E41 E41/510 Surface hardener E41 E41/520 Surface sealer E41 E42 Accessories Cast Into In Situ Concrete E E60 Precast/Composite Concrete Floor/Roof Desks E E60/110 Precast beam and block floor E60 E60/120 Precast beam and pot roof deck E60 E60/130 Precast plank floor E60 E60/140 Composite floor E60 E60/180 Precast stairs E60 E60/340 Lateral restraint strap E60 F Masonry F10 Brick/Block Walling F F10/110 Clay facing brickwork F10 F10/170 Calcium silicate facing brickwork F10 F10/210 Concrete facing brickwork F10 F10/230 Second hand facing brickwork F10 F10/250 Facing blockwork F10 F10/290 Reconstructed stonework F10 F10/310 Clay common brickwork F10 F10/330 Calcium silicate common brickwork F10 F10/340 Concrete common brickwork F10 F10/350 Common blockwork F10 F10/380 Engineering brickwork F10 F10/390 Damp proof course brickwork F10 F10/670 Fire stopping F10 F10/810 Brick slips F10 F10/860 Replace cracked bricks F10 F10/870 Repair cracked joints F10 F10/880 Repointing F10 F11 Glass Block Walling F F11/111 Mortar jointed glass block walling F11 F11/121 Sealant jointed glass block walling F11 F11/131 Mortar jointed glass block walling F11 F11/141 Sealant jointed glass block walling F11 F11/390 Joint reinforcement F11 F11/400 Anchors F11 F11/410 Perimeter joints with sealant F11 F11/420 Spacers F11 F20 Natural Stone Rubble Walling F F20/110 Rubble walling F20 F20/330 Facing stonework at ground level F20 F20/360 Jambs F20 F20/370 Bonders F20 F20/390 Joints F20 F21 Natural Stone Ashlar Walling/Dressings F F21/110 Natural stone ashlar walling F21 F21/330 Natural stone ashlar at ground level F21 F21/370 Joggle joints F21 F21/390 Pointing F21 F22 Cast Stone Ashlar Walling/Dressings F F22/110 Cast stone F22 F22/120 Cast stone dressings F22 F22/300 Reinforcement F22 F22/312 Reinforcement cover F22 F22/450 Cast stone ashlar at ground level F22 F22/520 Joggle joints F22 F22/535 Pointing F22 F30 Accessories/Sundry Items for Brick/Block/Stone Walling F F30/110 Concrete fill to cavity F30 F30/120 Internal precast F30 F30/130 Weep holes F30 F30/131 Weep holes F30 F30/132 Weep holes F30 F30/150 Full Fill Cavity Insulation F30 F30/155 Partial Fill Cavity Insulation F30 F30/160 Air brick F30 F30/171 Ventilation duct F30 F30/175 Cavity ventilator F30 F30/180 Cavity closer F30 F30/210 Cavity Wall ties F30 F30/211 Wall ties F30 F30/220 Wall ties F30 F30/241 Wall starter/connector F30 F30/245 Dovetail slot tie F30 F30/250 Sliding Anchor Restraint Slip Ties F30 F30/251 Wall Head Restraint Slip Ties F30 F30/255 Wind post F30 F30/260 Angle support F30 F30/265 Support system F30 F30/270 Joint reinforcement F30 F30/280 Movement joint lateral restraint tie F30 F30/281 Movement joint lateral restraint tie F30 F30/290 Dowel fixing F30 F30/291 Special Fixings F30 F30/310 Damp Proof Course - Bitumen Based F30 F30/320 Damp Proof Course - Polyethylene F30 F30/330 Damp Proof Course F30 F30/340 Flexible Sheet Cavity Trays - Bitumen Based F30 F30/345 Site Formed Flexible Sheet Cavity Trays F30 F30/360 Gas resistant cavity tray F30 F30/370 Preformed cavity tray F30 F30/380 Preformed Dpc/ Cavity Tray Junction Cloaks/ Stop Ends F30 F30/385 Preformed stop end F30 F30/390 Stop end formed in situ F30 F30/415 Horizontal Dpcs F30 F30/435 Stepped Dpcs In External Walls F30 F30/445 Sill Dpcs F30 F30/455 Coping/ Capping Dpcs F30 F30/465 Sealing Dpcs F30 F30/475 Site Formed Cavity Trays F30 F30/495 Gas Resistant Dpcs/ Cavity Trays F30 F30/560 Vertical Dpcs Generally F30 F30/570 Jamb Dpcs At Openings F30 F30/610 Movement joint with sealant F30 F30/615 Movement Joints Without Sealant F30 F30/616 Fire Resisting Movement Joints Without Sealant F30 F30/630 Contraction joint F30 F30/650 Flashing pointing F30 F30/655 Skirting pointing F30 F30/660 Pin up to soffit F30 F30/670 Wall head restraint F30 F30/720 Proprietary Sill F30 F30/721 Natural Stone Sill F30 F30/735 Precast concrete lintel F30 F30/745 Prestressed concrete lintel F30 F30/755 Prefabricated Steel Lintels F30 F30/760 Stone coping F30 F30/761 Natural stone coping units laid in hydraulic lime F30 F30/765 Precast concrete coping F30 F30/766 Cast stone coping units laid in hydraulic lime F30 F30/770 Cast stone dressings F30 F30/771 Cast stone sill F30 F30/780 Plastics coping F30 F30/810 Tile sill F30 F30/820 Tile creasing F30 F30/830 Building in frames F30 F30/840 Openings for frames F30 F30/850 Wall plates F30 F30/910 Clay/ Ceramic Flue lining system F30 F30/915 Concrete flue lining system F30 F30/920 Concrete Flue block system F30 F30/925 Clay/ceramic flue block system F30 F30/930 Fireplace F30 F30/940 Chimney pots F30 F30/970 Refuse chute F30 F31 Precast Concrete Sills/Lintels/Copings/Features F F31/110 External precast F31 F31/130 Precast concrete lintel F31 F31/140 Precast concrete lintel F31 F31/250 Reinforcement F31 G Structural/Carcassing Metal/Timber G10 Structural Steel Framing G G10/130 General Steel Sections And Plates G10 G10/135 Hollow Steel Sections G10 G10/170 Cold-formed galvanized steel joist G10 G10/176 Profiled galvanized steel sheet G10 G10/225 Steelwork To Be Galvanized G10 G10/305 Indented bolt G10 G10/315 Holding Down Systems G10 G10/325 Load indicating washer G10 G10/335 Spring washer G10 G10/345 Bolt box G10 G10/441 Cement/sand bedding G10 G10/443 Cement based grout G10 G10/444 Fine concrete bedding G10 G12 Isolated Structural Members G G20 Carpentry/Timber Framing/First Fixing G G20/210 Graded softwood G20 G20/250 Graded hardwood G20 G20/310 Plywood for G20 G20/330 Glued laminated timber G20 G20/350 Trussed rafter G20 G20/630 Bolted joint G20 G20/640 Bolted joint with connector G20 G20/650 Glued joint G20 G20/720 Bolt box G20 G20/730 Deformed rod G20 G20/790 Joist hanger G20 G20/791 Joist hanger G20 G20/805 Truss clip G20 G20/820 Vertical restraint strap G20 G20/830 Lateral restraint strap G20 G20/840 Strutting G20 G20/900 Eaves soffit ventilator G20 G20/910 Eaves soffit ventilation G20 G30 Metal Profiled Sheet Decking G G30/110 Profiled steel decking G30 G30/120 Profiled steel decking G30 G30/140 Profiled aluminium decking G30 G30/230 Isolating tape G30 G30/240 Fire resisting profile filler G30 G32 Edge Reinforced Wood Wool Slab Decking G H Cladding/Covering H10 Patent Glazing H H10/115 Patent glazing H10 H11 Curtain Walling H H11/110 Curtain walling H11 H11/540 Test specimen H11 H11/710 Aluminium alloy framing sections H11 H11/712 Aluminium alloy sheet H11 H11/715 Mild steel framing sections H11 H11/717 Mild steel sheet H11 H11/720 Stainless steel sheet H11 H11/725 PVC-U framing sections H11 H11/737 Glass H11 H11/745 Insulating glass units H11 H11/755 Natural stone infill panels H11 H11/760 Gaskets H11 H11/765 Weatherstripping H11 H11/772 Curtain walling joint assembly sealant H11 H11/775 Bonding sealant for structural sealant glazing H11 H11/777 Weathersealing for structural sealant glazing H11 H11/780 Insulation H11 H11/785 Vapour control layer H11 H11/840 Anodising H11 H11/850 Polyvinylidene fluoride (PVF2) coating H11 H13 Structural Glass Assemblies H H13/115 Toughened glass assembly H13 H20 Rigid Sheet Cladding H H20/150 Plywood cladding H20 H20/155 Calcium silicate board cladding H20 H20/230 Timber battens H20 H21 Timber Weatherboarding H H21/110 Timber weatherboarding H21 H21/130 Breather membrane H21 H21/135 Timber battens/counterbattens H21 H30 Fibre Cement Profiled Sheet Cladding/Covering H H30/110 Fibre cement profiled cladding H30 H30/150 Profiled transparent plastic sheet H30 H30/350 Breather membrane H30 H30/360 Profile filler H30 H30/370 Fire resisting profile filler H30 H30/560 Warning notice H30 H31 Metal Profiled/Flat Sheet Cladding/Covering H H31/240 Purlin lining system H31 H31/560 Warning notice H31 H32 Plastics Profiled Sheet Cladding/Covering H H32/110 Plastics cladding H32 H32/220 Profile filler H32 H32/340 Warning notice H32 H40 Glassfibre Reinforced Concrete Panel Cladding/Components H H41 Glassfibre Reinforced Plastics Panel Cladding/Features H H41/110 GRP cladding H41 H41/650 Sealant joint H41 H42 Precast Concrete Panel Cladding/Features H H42/110 Precast concrete cladding H42 H42/660 Sealant joint H42 H51 Natural Stone Slab Cladding/Lining/Features H H51/110 Natural stone slab cladding H51 H60 Plain Roof Tiling H H60/110 Clay plain roof tiling H60 H60/125 Concrete plain roof tiling H60 H60/145 Clay plain vertical tiling H60 H60/155 Concrete plain vertical tiling H60 H60/240 Underlay H60 H60/245 Tiling battens H60 H60/255 Counterbattens on rigid sarking H60 H60/290 Mortar bedding/pointing H60 H60/325 Fire separating wall H60 H60/345 Eaves with combined fascia grilles/ventilator trays H60 H60/355 Eaves with separate fascia grilles and ventilator trays H60 H60/435 Cloaked verge H60 H60/445 Mortar bedded verge with bedded undercloak H60 H60/455 Mortar bedded verge with nailed undercloak H60 H60/525 Mitred hip H60 H60/555 Mortar bedded hip H60 H60/565 Mortar bedded and nailed hip H60 H60/575 Small scale mortar bedded hip H60 H60/585 Arris hip H60 H60/595 Bonnet hip H60 H60/605 GRP valley H60 H60/615 Lead valley H60 H60/625 Curved plain tile valley H60 H60/635 Mitred valley H60 H60/645 Laced valley H60 H60/650 Swept valley H60 H60/660 Side abutment H60 H60/670 Top edge abutment H60 H60/675 Top edge ventilated abutment H60 H60/700 Dry ventilated ridge H60 H60/710 Dry ridge H60 H60/740 Mortar bedded ridge H60 H60/750 Mortar bedded and nailed ridge H60 H60/760 Small scale mortar bedded ridge H60 H60/770 Dry ventilated mono-ridge H60 H60/775 Dry mono-ridge H60 H60/780 Mortar bedded mono-ridge H60 H60/800 Change of roof pitch H60 H60/810 Lead saddle H60 H60/840 Roof slope ventilator H60 H60/841 Roof slope ventilator H60 H60/850 Roof slope terminal H60 H60/860 Snowguard H60 H60/910 Vertical tiling bottom edge H60 H60/920 Vertical tiling top edge H60 H60/930 Vertical tiling side abutment H60 H60/940 Vertical tiling angle with angle tiles H60 H60/950 Vertical tiling angle with soakers H60 H60/960 Vertical tiling junction with roof verge H60 H61 Fibre Cement Slating H H61/110 Fibre cement roof slating H61 H61/120 Fibre cement vertical slating H61 H61/240 Underlay H61 H61/245 Slating battens H61 H61/255 Counterbattens on rigid sarking H61 H61/290 Mortar bedding/pointing H61 H61/345 Eaves with combined fascia grilles/ventilator trays H61 H61/355 Eaves with separate fascia grilles and ventilator trays H61 H61/405 Dry verge H61 H61/445 Mortar bedded verge with bedded undercloak H61 H61/455 Mortar bedded verge with nailed undercloak H61 H61/505 Dry slate hip H61 H61/525 Mitred hip H61 H61/535 Lead roll hip H61 H61/555 Mortar bedded tile hip H61 H61/565 Mortar bedded and nailed tile hip H61 H61/605 GRP valley H61 H61/615 Lead valley H61 H61/635 Mitred valley H61 H61/660 Side abutment H61 H61/670 Top edge abutment H61 H61/675 Top edge abutment H61 H61/690 Roof windows H61 H61/700 Dry ventilated tile ridge H61 H61/705 Dry ventilated capped ridges H61 H61/710 Dry slate ridge H61 H61/730 Lead roll ridge H61 H61/740 Mortar bedded tile ridge H61 H61/750 Mortar bedded and nailed tile ridge H61 H61/770 Dry ventilated tile mono-ridge H61 H61/772 Dry ventilated capped mono-ridges H61 H61/775 Dry slate mono-ridge H61 H61/780 Mortar bedded tile mono-ridge H61 H61/800 Change of roof pitch H61 H61/810 Lead saddle H61 H61/840 Roof slope ventilator H61 H61/841 Roof slope ventilator H61 H61/850 Roof slope terminal H61 H61/860 Snowguard H61 H61/870 Pipe flashing H61 H61/910 Vertical slating bottom edge H61 H61/920 Vertical slating top edge H61 H61/930 Vertical slating side abutment H61 H61/950 Vertical slating angle with soakers H61 H61/960 Vertical slating junction with roof verge H61 H62 Natural Slating H H62/240 Underlay H62 H62/245 Slating battens H62 H62/255 Counterbattens on rigid sarking H62 H62/290 Mortar bedding/pointing H62 H62/325 Fire separating wall H62 H62/345 Eaves with combined fascia grilles/ventilator trays H62 H62/355 Eaves with separate fascia grilles and ventilator trays H62 H62/445 Mortar bedded verge with bedded undercloak H62 H62/455 Mortar bedded verge with nailed undercloak H62 H62/525 Mitred hip H62 H62/535 Lead roll hip H62 H62/555 Mortar bedded tile hip H62 H62/565 Mortar bedded and nailed tile hip H62 H62/605 GRP valley H62 H62/615 Lead valley H62 H62/635 Mitred valley H62 H62/645 Laced valley H62 H62/650 Swept valley H62 H62/660 Side abutment H62 H62/670 Top edge abutment H62 H62/675 Top edge ventilated abutment H62 H62/700 Dry ventilated tile ridge H62 H62/730 Lead roll ridge H62 H62/740 Mortar bedded tile ridge H62 H62/750 Mortar bedded and nailed tile ridge H62 H62/770 Dry ventilated tile mono-ridge H62 H62/780 Mortar bedded tile mono-ridge H62 H62/800 Change of roof pitch H62 H62/810 Lead saddle H62 H62/840 Roof slope ventilator H62 H62/841 Roof slope ventilator H62 H62/850 Roof slope terminal H62 H62/860 Snowguard H62 H62/910 Vertical slating bottom edge H62 H62/920 Vertical slating top edge H62 H62/930 Vertical slating side abutment H62 H62/950 Vertical slating angle with soakers H62 H62/960 Vertical slating junction with roof verge H62 H65 Single Lap Roof Tiling H H65/110 Clay single lap roof tiling H65 H65/120 Concrete single lap roof tiling H65 H65/130 Reconstituted slate single lap roof tiling H65 H65/240 Underlay H65 H65/245 Tiling battens H65 H65/255 Counterbattens on rigid sarking H65 H65/290 Mortar bedding/pointing H65 H65/325 Fire separating wall H65 H65/345 Eaves with combined fascia grilles/ventilator trays H65 H65/355 Eaves with separate fascia grilles and ventilator trays H65 H65/365 Eaves with ventilator trays H65 H65/405 Dry verge H65 H65/435 Cloaked verge H65 H65/445 Mortar bedded verge with bedded undercloak H65 H65/455 Mortar bedded verge with nailed undercloak H65 H65/505 Dry hip H65 H65/525 Mitred hip H65 H65/535 Lead roll hip H65 H65/555 Mortar bedded hip H65 H65/560 Mortar bedded and nailed hip H65 H65/575 Small scale mortar bedded hip H65 H65/605 GRP valley H65 H65/615 Lead valley H65 H65/625 Trough valley H65 H65/660 Side abutment H65 H65/670 Top edge abutment H65 H65/675 Top edge abutment H65 H65/700 Dry ventilated ridge H65 H65/710 Dry ridge H65 H65/730 Lead roll ridge H65 H65/740 Mortar bedded ridge H65 H65/750 Mortar bedded and nailed ridge H65 H65/760 Small scale mortar bedded ridge H65 H65/770 Dry ventilated mono-ridge H65 H65/775 Dry mono-ridge H65 H65/780 Mortar bedded mono-ridge H65 H65/800 Change of roof pitch H65 H65/810 Lead saddle H65 H65/840 Roof slope ventilator H65 H65/841 Roof slope ventilator H65 H65/850 Roof slope terminal H65 H65/860 Snowguard H65 H65/870 Pipe flashing H65 H71 Lead Sheet Coverings/Flashings H H71/110 Lead roofing H71 H71/130 Lead cladding H71 H71/150 Lead covered dormer H71 H71/170 Lead covered panel H71 H71/210 Lead gutter lining H71 H71/211 Lead gutter lining with expansion joints H71 H71/230 Lead pitched valley lining H71 H71/235 Lead pitched valley lining H71 H71/240 Lead pitched valley lining H71 H71/250 Lead weathering H71 H71/322 Lead soakers for mitred hips H71 H71/324 Lead soakers for mitred valley H71 H71/325 Lead soakers for mitred valley H71 H71/326 Lead soakers for swept valley H71 H71/410 Lead apron flashing H71 H71/420 Lead cover flashing H71 H71/430 Lead cover flashing H71 H71/440 Lead soaker and step flashing H71 H71/450 Lead step and cover flashing H71 H71/452 Lead single step and cover flashing H71 H71/454 Lead single step flashing H71 H71/456 Lead step flashing with secret gutter H71 H71/458 Lead step and cover flashing with secret gutter H71 H71/460 Lead change of roof pitch flashing H71 H71/472 Lead chimney flashing H71 H71/474 Lead chimney flashing H71 H71/476 Lead chimney dpc H71 H71/478 Lead chimney dpc H71 H71/480 Lead slate H71 H71/490 Lead bottom edge flashing H71 H71/492 Lead top edge flashing H71 H71/494 Lead side abutment step flashing H71 H71/496 Lead angle soakers H71 H71/630 Plywood underlayment H71 H71/715 Clips H71 H71/760 Continuous clips H71 H71/765 Continuous clips H71 H71/840 Wood-cored roll joint without splash lap H71 H71/845 Wood-cored roll joint with splash lap H71 H71/847 Hollow roll joint H71 H71/860 Drip with splash lap H71 H71/862 Drip with splash lap H71 H71/865 Drip without splash lap H71 H71/880 Welted joint H71 H71/950 Refix existing plaque H71 H71/955 Plaque H71 H72 Aluminium Strip/sheet Coverings/Flashings H H73 Copper Strip/Sheet Coverings/Flashings H H73/110 Copper roofing H73 H73/130 Copper cladding H73 H73/150 Copper covered dormer H73 H73/210 Copper gutter lining with expansion joints H73 H73/220 Copper gutter lining with drips H73 H73/230 Copper valley gutter lining H73 H73/240 Copper valley gutter lining H73 H73/245 Copper valley gutter lining H73 H73/250 Copper weathering H73 H73/308 Copper soakers H73 H73/330 Copper soakers and step flashing H73 H73/335 Copper step and cover flashing H73 H73/365 Copper chimney flashing H73 H73/650 Underlay H73 H73/655 Underlay H73 H73/720 Standing seam fixed clips H73 H73/725 Standing seam sliding clips H73 H73/730 Batten roll fixed clips H73 H73/740 Hip batten roll fixed clips H73 H73/750 Fixed clips for cross joints H73 H73/760 Continuous clips H73 H73/820 Angle standing seam joint H73 H73/830 Batten roll joint H73 H73/850 Single lock welt with additional welt joints H73 H73/870 Double lock welt joint H73 H73/880 Single lock welt joint H73 H73/920 Copper wedge fixing into joint H73 H73/930 Copper wedge fixing into dpc joint H73 H73/940 Screw fixing into joint H73 H73/950 Refix existing plaque H73 H73/955 Plaque H73 H74 Zinc Strip/Sheet Coverings/Flashings H H75 Stainless Steel Strip/Sheet Coverings/Flashings H H92 Rainscreen Cladding H J Waterproofing J20 Mastic Asphalt Tanking/Damp Proofing J J20/110 Horizontal tanking J20 J20/120 Vertical sloping tanking J20 J20/150 Damp proofing J20 J20/240 Glass fibre tissue separating membrane J20 J20/241 Separating membrane J20 J20/250 Keying to existing vertical/sloping concrete J20 J20/270 Keying to smooth faced brickwork/brickwork J20 J21 Mastic Asphalt Roofing/Finishes J J21/110 Warm roof coating J21 J21/120 Inverted roof coating J21 J21/130 Cold roof coating J21 J21/160 Paving J21 J21/165 Paving J21 J21/180 Mastic asphalt J21 J21/185 Mastic asphalt J21 J21/220 Vapour control J21 J21/230 Insulation J21 J21/310 Ancilliary products and accessories J21 J21/320 Primer J21 J21/325 Bonding compound J21 J21/330 Timber for trims etc. J21 J21/345 Edge trims J21 J21/360 Plywood overlay to metal deck J21 J21/367 Overlay to metal deck J21 J21/370 Cover strips to joints in rigid board substrates J21 J21/375 Movement joints J21 J21/395 Vapour control layer J21 J21/410 Expanded polystyrene warm roof insulation J21 J21/420 Rigid polyisocyanurate foam (PIR) roofboard warm roof insulation J21 J21/425 Mineral wool warm roof insulation J21 J21/440 Extruded polystyrene inverted roof insulation J21 J21/445 Mineral wool inverted roof insulation J21 J21/450 Overlay to warm roof insulation J21 J21/460 Stone ballast J21 J21/465 Precast concrete paving slabs J21 J21/470 Paving tiles J21 J21/475 Chippings and dressing compound J21 J21/485 Roof ventilators J21 J21/490 Mineral/metal faced cap sheet J21 J21/495 Solar reflective paint J21 J21/630 Making good existing mastic asphalt J21 J21/635 Remove existing chippings J21 J21/695 Separating layer J21 J30 Liquid Applied Tanking/Damp Proofing J J30/110 Cold applied tanking J30 J30/130 Cold applied damp proofing J30 J30/150 Hot applied damp proofing J30 J30/260 Junctions with dpcs J30 J30/280 Protection of coatings J30 J31 Liquid Applied Waterproof Roof Coatings J J40 Flexible Sheet Tanking/Damp Proofing J J40/110 Hardcore beds J40 J40/115 Venting hardcore beds J40 J40/120 Loose laid polyethylene damp proof membrane J40 J40/130 Loose laid polyethylene oversite damp proof membrane J40 J40/140 Loose laid polyethylene gas retardant/damp proof membrane J40 J40/145 Loose laid weldable polyethylene gas retardant/damp proof membrane J40 J40/150 Loose laid bitumen damp proof membrane J40 J40/160 Loose laid bitumen damp proof membrane J40 J40/170 Loose laid bitumen gas retardant damp proof membrane J40 J40/180 Self adhesive bitumen gas retardant damp proof membrane/tanking J40 J40/190 Self adhesive bitumen damp proof membrane/tanking J40 J40/210 Fully bonded bitumen damp proof membrane J40 J40/220 Fully bonded bitumen damp proof membrane J40 J40/230 Fully bonded bitumen damp proof membrane J40 J40/250 Fully bonded bitumen damp proof membrane/tanking J40 J40/251 Fully bonded bitumen damp proof membrane/tanking J40 J40/260 Fully bonded bitumen damp proof membrane/tanking J40 J40/270 Fully bonded bitumen damp proof membrane/tanking J40 J40/280 Fully bonded bitumen gas retardant damp proof membrane/tanking J40 J40/285 Loose laid bentonite damp proof membrane/tanking J40 J40/290 High density polyethylene/polypropylene studded damp proof membrane J40 J40/295 Geocomposite drainage/venting membrane J40 J40/350 Angles in bonded damp proof membrane/tanking J40 J40/360 Junctions with projecting dpcs/cavity trays J40 J40/365 Junctions with flush dpcs/cavity trays J40 J40/370 "Pipes, ducts, cables etc." J40 J40/380 Protection of external vertical tanking J40 J41 Built-up Felt Roof Coverings J J41/110 Built up builtumen sheet warm roof covering J41 J41/120 Built up builtumen sheet inverted roof covering J41 J41/125 Single layer bitumen sheet inverted roof covering J41 J41/130 Built up builtumen sheet cold roof covering J41 J41/135 Single layer bitumen sheet cold roof covering J41 J41/220 Vapour control J41 J41/230 Insulation J41 J41/370 Cover strips to joints in rigid board substrates J41 J41/410 Expanded polystyrene warm roof insulation J41 J41/420 Rigid urethane foam warm roof insulation J41 J41/425 Mineral wool warm roof insulation J41 J41/455 Corkboard overlay to warm roof insulation J41 J41/460 Stone ballast J41 J41/475 Chippings and dressing compound J41 J41/620 Renewing existing coverings J41 J41/680 Installing warm roof insulation J41 J41/775 Skirtings/upstands J41 J41/780 Welted drips J41 J41/785 Installing edge trim J41 J41/790 Installing roof ventilator J41 J41/810 Laying inverted roof insulation J41 J41/840 Laying precast concrete paving slabs J41 J41/860 Laying paving tiles J41 J41/870 Laying chippings J41 J42 Single Layer Polymeric Roof Coverings J J42/110 Warm roof covering J42 J42/120 Inverted roof covering J42 J42/220 Vapour control layer J42 J42/230 Insulation J42 J42/310 Ancilliary products and accessories J42 J42/330 Timber for trims etc. J42 J42/340 "Preformed sleeves, trims etc." J42 J42/360 Plywood overlay to metal deck J42 J42/395 Vapour control layer J42 J42/410 Expanded polystyrene warm roof insulation J42 J42/415 Extruded polystyrene warm roof insulation J42 J42/420 Rigid urethane foam warm roof insulation J42 J42/425 Mineral wool warm roof insulation J42 J42/440 Extruded polystyrene inverted roof insulation J42 J42/460 Stone ballast J42 J42/465 Precast concrete paving slabs J42 J42/480 Pipe collar J42 J42/765 Perimeter details J42 J42/775 Perimeter details J42 J42/850 Membrane walkways J42 J44 Single Linings for Pools/Lakes/Waterways J J44/230 Geotextile substrate lining J44 K Linings/Sheathing/Dry Partitioning K10 Plasterboard Dry Linings/Partitions/Ceilings K K10/115 Metal stud partition system K10 K10/125 Metal stud partition system K10 K10/145 Wall lining system (Metal stud) K10 K10/155 Wall lining system (Metal stud) K10 K10/175 Wall lining system (Metal furrings) K10 K10/185 Wall lining system (Adhesive) K10 K10/401 Gypsum Plasterboard K10 K10/402 Gypsum Plasterboard (Vapour Control) K10 K10/403 Gypsum Plasterboard (Moisture Resistant) K10 K10/404 Gypsum Plasterboard (Improved Fire Protection) K10 K10/408 Gypsum Plasterboard (Impact Resistant) K10 K10/409 Gypsum Plasterboard (Improved Sound Insulation) K10 K10/515 Acoustic sealant K10 K11 Rigid Sheet Flooring/Sheathing/Decking/Sarking/Linings/Casings K K11/115 Battened plywood floating floor K11 K11/245 Cement bonded particleboard floating floor K11 K11/275 Acoustic separating floor system K11 K11/295 Floating floor system K11 K11/315 Plywood flooring K11 K11/325 Particleboard flooring K11 K11/335 Oriented strandboard flooring K11 K11/415 Plywood wall sheathing K11 K11/435 Oriented strandboard wall sheathing K11 K11/465 Impregnated softboard wall sheathing K11 K11/495 Rigid board insulation fixed through wall sheathing K11 K11/515 Plywood roof decking K11 K11/615 Plywood sarking K11 K11/625 Particle board sarking K11 K11/635 Oriented strandboard sarking K11 K11/665 Impregnated softboard sarking K11 K11/695 Rigid board insulation fixed as roof sarking K11 K11/715 Plywood underlay K11 K11/755 Hardboard underlay K11 K11/816 Marine plywood K11 K11/820 Blockboard/laminboard K11 K11/825 Particleboard K11 K11/851 Wood wool board/slab K11 K11/855 Hardboard K11 K11/875 Medium density fibreboard K11 K11/880 Laminated plastics veneered board K11 K12 Under Purlin/Inside Rail Panel Linings K K12/110 Exposed grid lining system K12 K12/150 Concealed grid lining system K12 K12/250 Mineral wool insulation K12 K12/260 Vapour control membrane K12 K12/330 Cavity barriers K12 K12/340 Inspection/access panels K12 K13 Rigid Sheet Fine Linings/Panellings K K13/110 Wood panelling K13 K13/120 Wood veneered panel lining K13 K13/130 Laminated plastics veneered panel lining K13 K13/140 Laminated plastics veneered panel lining K13 K13/170 Acoustic panel lining K13 K13/370 Sealant pointing K13 K20 Timber Board Flooring/Sarking/Linings/Casings K K20/110 Timber board flooring K20 K20/120 Timber board flooring K20 K20/150 Battened timber board floating floor K20 K20/160 Battened timber board floating floor K20 K20/220 Timber board sarking K20 K20/222 Timber board sarking K20 K20/230 Timber board K20 K20/340 Vapour check membrane to floating floors K20 K20/360 Access panels K20 K21 Timber Strip/Board Fine Flooring/Linings K K21/110 Wood flooring K21 K21/120 Battened wood flooring K21 K21/130 Battened wood floating floor K21 K21/150 Wood lining K21 K21/160 Wood lining on battens K21 K21/310 Vapour control layer installation K21 K21/340 Access panels K21 K30 Panel Partitions K K30/110 Relocatable partition system K30 K30/115 Relocatable partition/ceiling system K30 K30/250 Storage walls K30 K30/470 Perimeter seals K30 K30/475 Fire stopping K30 K32 Panel Cubicles K K32/112 Fully framed panel cubicles K32 K32/120 Panel cubicles K32 K32/130 Privacy screens K32 K40 Demountable Suspended Ceilings K K40/105 Suspended ceiling systems K40 K40/110 Unit suspended ceiling systems K40 K40/115 Unit suspended ceiling systems K40 K40/130 Board suspended ceiling systems K40 K40/140 Fabric membrane ceiling systems K40 K40/370 Installing timber edge battens K40 K40/410 Installing cavity fire barriers K40 K40/420 Installing sound barriers K40 K40/430 Installing air plenum barriers K40 K41 Raised Access Floors K K41/110 Raised access floor K41 K41/130 Raised access floor K41 K41/360 Cavity barriers K41 K41/370 Level changes K41 K41/380 Under-floor air plenum barrier K41 L Windows/Doors/Stairs L10 Windows/Rooflights/Screens/Louvres L L10/210 Wood windows L10 L10/250 Wood windows L10 L10/260 Wood windows L10 L10/310 Steel windows L10 L10/315 Steel windows L10 L10/330 Aluminium windows L10 L10/335 Aluminium windows L10 L10/350 PVC-U windows L10 L10/360 PVC-U windows L10 L10/380 PVC-U windows L10 L10/420 Timber subframes L10 L10/440 PVC-U subframes L10 L10/460 Rooflights L10 L10/480 Roof windows L10 L10/510 Glazed wood screens L10 L10/550 Glazed metal screens L10 L10/610 Wood louvres L10 L10/650 Metal louvres L10 L10/740 Corrosion protection L10 L10/790 Fire resisting frames L10 L10/800 Back filling of steel frame sections L10 L10/810 Sealant joints L10 L20 Doors/Shutters/Hatches L L20/115 Fire resisting doors/doorsets/assemblies L20 L20/450 PVC-U doorset(s) L20 L20/460 Frameless glass doors L20 L20/510 Strong room door L20 L20/520 Sliding doors L20 L20/530 Sliding folding external doors L20 L20/535 Sliding folding shutter doors L20 L20/540 Sliding folding L20 L20/545 Sliding stacking panel partitions L20 L20/550 Flexible doors L20 L20/560 PVC strip curtains L20 L20/565 Flexible folding door(s) L20 L20/610 Roller shutters L20 L20/615 Sectional overhead doors L20 L20/617 Loading bay door and docking system L20 L20/620 Collapsible gates/grilles L20 L20/630 Hatches L20 L20/680 Up and over garage doors L20 L20/740 Corrosion protection L20 L20/810 Fire resisting and/or smoke control doors/doorsets L20 L20/820 Sealant joints L20 L30 Stairs/Ladders/Walkways/Handrails/Balustrades L L30/210 Timber stairs L30 L30/220 Timber stairs L30 L30/230 Timber internal stair L30 L30/235 Timber external stairs L30 L30/250 Metal stairs L30 L30/270 Stairs L30 L30/410 Steel ladders L30 L30/421 Loft ladders L30 L30/430 Companion way ladders L30 L30/450 Walkways/catwalks L30 L30/460 Walkway/catwalks L30 L30/510 Timber balustrades L30 L30/515 Timber balustrades L30 L30/520 Metal balustrade(s) and handrail L30 L30/550 Balustrades L30 L30/560 Balustrades L30 L40 General Glazing L L40/130 Removal of glazing for reuse L40 L40/190 Glass to glass jointing L40 L40/210 Putty fronted single glazing L40 L40/230 Bead fixed single glazing L40 L40/250 Bead fixed single glazing L40 L40/260 Bead fixed single glazing L40 L40/310 Bead fixed single glazing L40 L40/330 Bead fixed single glazing L40 L40/350 Bead fixed single glazing L40 L40/370 Bead fixed insulating glass units L40 L40/380 Bead fixed insulating glass units L40 L40/410 Single glazing into grooves L40 L40/470 Zipper gasket glazing L40 L40/490 Single sided gasket glazing L40 L40/510 Fire resistant channel glazing L40 L40/515 Fire resistant channel glazing L40 L40/530 Internal tape glazing L40 L40/550 Glass mirrors L40 L40/560 Plastic mirrors L40 M Surface Finishes M10 Cement Based Levelling/Wearing Screeds M M10/110 Bonded cement M10 M10/115 Cement M10 M10/120 Fine concrete levelling screeds to M10 M10/130 Proprietary quick drying levelling screeds to M10 M10/140 Proprietary polymer modified levelling screeds to M10 M10/150 Proprietary lightweight aggregate levelling screeds to M10 M10/155 Cement M10 M10/180 Concrete wearing screeds (granolithic) to M10 M10/192 Proprietary self smoothing wearing screeds to M10 M10/386 Coved in situ skirtings M10 M10/405 Joints in levelling screeds generally M10 M10/406 Bay joints in levelling screeds M10 M10/450 Sealant for sawn joints in wearing screeds M10 M10/460 Strip movement joints M10 M10/476 Metal section movement joints M10 M11 Mastic Asphalt Flooring/Floor Underlays M M11/110 Mastic asphalt flooring M11 M11/120 Mastic asphalt flooring M11 M11/140 Mastic asphalt flooring M11 M11/150 Mastic asphalt flooring M11 M11/170 Mastic asphalt flooring M11 M11/180 Mastic asphalt flooring M11 M11/210 Mastic asphalt floor underlay M11 M11/220 Mastic asphalt floor underlay M11 M11/230 Mastic asphalt floor underlay M11 M11/250 Mastic asphalt skirtings M11 M11/260 Mastic asphalt skirtings M11 M11/270 Mastic asphalt skirtings M11 M11/470 Keying to new brickwork/dense blockwork M11 M11/480 Keying to existing brickwork/dense blockwork M11 M11/490 Keying to vertical/sloping dense blockwork M11 M11/495 Keying to metal surfaces M11 M11/500 Steel lathing to vertical/sloping M11 M11/550 Glass fibre tissue separating layer M11 M11/560 Sheathing felt separating layer M11 M11/570 Proprietary separating layer M11 M11/810 Structural movement joints M11 M11/820 Structural movement joints M11 M11/830 Stair nosings/trim M11 M11/840 Edgings/cover strips M11 M12 Resin Flooring M M13 Calcium Sulfate Based Levelling Screeds M M13/120 Proprietary self smoothing levelling screeds to M13 M13/375 Strip movement joints M13 M13/385 Sealant movement joints with metal edgings M13 M20 Plastered/Rendered/Roughcast Coatings M M20/110 Cement M20 M20/120 Roughcast (Harling) cement M20 M20/130 Cement M20 M20/140 Cement M20 M20/150 Proprietary waterproof render M20 M20/160 Proprietary render M20 M20/200 Gypsum plaster on cement guaged render undercoats M20 M20/210 Lightweight gypsum plaster M20 M20/220 Multicoat proprietary render M20 M20/240 One coat proprietary plaster M20 M20/250 X-ray plaster M20 M20/270 Lightweight gypsum plaster on M20 M20/280 Gypsum plaster skim on plasterboard M20 M20/549 Zinc oxychloride plaster M20 M20/596 Repairing holes and cracks in plain plaster on timber laths M20 M20/598 Repairing minor cracks in plasterwork M20 M20/599 Repairing final coat plaster on sound undercoat M20 M20/615 Expanded polystyrene backings M20 M20/624 Waterproof lathing M20 M20/630 Beads/Stops for internal use M20 M20/634 Beads/stops M20 M20/635 Beads/Stops for external use M20 M20/636 Beads/Stops for external use M20 M20/640 Beads/Stops generally M20 M20/645 Dissimilar solid backgrounds for plastering M20 M20/650 Movement joints M20 M20/659 Plasterboard joints M20 M20/680 Fibrous plaster mouldings M20 M20/685 Solid cast plaster M20 M20/689 In situ run plaster mouldings M20 M21 Insulation with Rendered Finish M M22 Sprayed monolithic coatings M M30 Metal Lathing/Anchored Mesh Reinforcement for Plastered/Rendered Coatings M M30/110 Lathing on supports M30 M30/120 Lathing on runners M30 M30/130 Lathing on bearers and runners M30 M30/140 "Lathing on hangars, bearers and runners" M30 M30/150 Lathing and framing for casings M30 M30/160 Anchored mesh reinforcement for render with tiled finish M30 M30/170 Lathing on solid substrates M30 M30/255 Banding for casings M30 M30/275 Access panels M30 M40 Stone/Concrete/Quarry/Ceramic Tiling/Mosaic M M40/110 Tiling to M40 M40/120 Mosaic to M40 M40/590 Coved tile skirtings M40 M40/600 Sit-on tile skirtings M40 M40/805 Sealant movement joints with metal edgings M40 M40/815 Sealant movement joints M40 M40/825 Strip movement joints M40 M40/835 Metal section movement joints M40 M41 Terrazzo Tiling/In Situ Terrazzo M M41/110 Terrazzo tiling to M41 M41/120 In situ terrazzo to M41 M41/130 Precast terrazzo M41 M41/140 Marble tiling to M41 M41/160 Terrazzo tile skirtings M41 M41/445 Strip movement joints M41 M41/455 Sealant movement joints with metal edgings M41 M41/465 Metal section movement joints M41 M42 Wood Block/Composition Block/Mosaic Parquet Flooring M M50 Rubber/Plastics/Cork/Lino/Carpet Tiling/Sheeting M M50/130 Carpet tiling M50 M50/138 Needled carpet tiling M50 M50/146 Needled pile carpet tiling M50 M50/155 PVC sheet flooring in wet areas M50 M50/170 Carpeting M50 M50/178 Needled carpeting M50 M50/186 Needled pile carpeting M50 M50/190 Stair covering system M50 M50/460 Smoothing/levelling underlayment compound M50 M50/461 Smoothing/levelling underlayment compound M50 M50/550 Hardboard underlay M50 M50/551 Hardboard underlay for adhered carpet coverings M50 M50/560 Plywood underlay M50 M50/740 Edgings/cover strips M50 M50/750 Stair nosings/trim M50 M50/770 Skirtings M50 M51 Edge Fixed Carpeting M M51/110 Carpeting M51 M51/150 Carpeting for stairs M51 M51/450 Carpet seams/joints M51 M51/510 Edgings/cover strips M51 M51/530 Laying stair carpet with gripper M51 M51/550 Stair nosings/trim M51 M52 Decorative Papers/Fabrics M M52/110 Wall paper M52 M60 Painting/Clear Finishings M M60/110 Emulsion paint M60 M60/130 Gloss paint M60 M60/160 Decorative woodstain/varnish/preservative M60 M60/170 Masonry coating M60 M60/180 Floor coating M60 M60/190 Special coating M60 M60/210 Coating materials M60 M60/631 Preeviously painted windows frames M60 M60/645 Pointing to internal movement joints M60 M60/651 Existing gutters M60 M61 Intumescent Coatings for Fire Protection of Steelwork M M61/110 On site coating to primed steel M61 N Furniture/Equipment N10 General Fixtures/Furnishings/Equipment N N10/110 Purpose made N10 N10/140 Commercial catering furniture N10 N10/160 Shelving system for N10 N10/170 Benches for N10 N10/220 Lockers for N10 N10/230 Curtain track N10 N10/240 Blinds N10 N10/245 Venetian blinds N10 N10/250 Telephone booths N10 N10/270 Small mirrors for N10 N10/290 Matwell frames N10 N10/300 Entrance matting N10 N10/320 Portable fire extinguishers N10 N10/330 Fireplace N10 N10/410 Solid fuel roomheaters N10 N10/415 Woodburning roomheaters N10 N10/440 Inset open fires N10 N10/760 Sealant pointing N10 N13 Sanitary Appliances/Fittings N N13/110 WC pans/flushing arrangements N13 N13/130 Urinals and cisterns N13 N13/150 Bidets N13 N13/180 Wash basins N13 N13/200 Washing troughs N13 N13/210 Wash fountains N13 N13/220 Baths N13 N13/230 Shower units N13 N13/260 Drinking fountains N13 N13/310 Soap dispensers N13 N13/320 Paper towel dispensers N13 N13/330 Towel rails N13 N13/340 Toilet paper holders N13 N13/350 Handrails/grab bars N13 N13/360 Warm air hand driers N13 N13/370 Sanitary incinerators/macerators N13 N13/380 Small bore macerator/pumping units N13 N13/750 Sealant pointing N13 N15 Signs/Notices N N25 Permanent Access and Safety Equipment N P Building Fabric Sundries P10 Sundry Insulation/Proofing Work/Fire Stops P P10/110 Eaves roof ventilator P10 P10/120 Fibre insulation laid between ceiling joists P10 P10/130 Fibre insulation laid across ceiling joists P10 P10/145 Faced fibre insulation fixed between rafters P10 P10/150 Blown mineral fibre insulation P10 P10/160 Loose laid insulation P10 P10/170 Seal and insulate loft access hatch P10 P10/180 Fibre insulation to water cistern P10 P10/181 Fibre insulation to water cistern P10 P10/210 Fibre insulation fixed between studs P10 P10/215 Faced fibre insulation fixed between studs P10 P10/220 Fibre insulation suspended vertically P10 P10/240 Fibre insulation laid between floor joists P10 P10/250 Fibre insulation supported between floor joists P10 P10/260 Mineral fibre pugging P10 P10/270 Sand pugging P10 P10/310 Vapour check membrane P10 P10/320 Breather membrane P10 P10/410 Flexible cavity barrier P10 P10/420 Sleeved fibre small cavity barrier P10 P10/430 Wired fibre small cavity barrier P10 P11 Foamed/Fibre/Bead Cavity Wall Insulation P P11/210 Urea-formaldehyde cavity fill P11 P11/220 Mineral fibre cavity fill P11 P11/230 Mineral fibre cavity fill P11 P20 Unframed Isolated Trims/Skirtings/Sundry Items P P20/110 Softwood architrave P20 P20/120 Hardwood architrave P20 P20/150 Metal trim P20 P20/170 Clip-on PVC skirting P20 P20/200 Medium board pinboard P20 P20/240 Plywood shelves P20 P20/245 Blockboard shelves P20 P20/250 Wood chipboard shelves P20 P20/260 Wood veneered laminboard shelves P20 P20/270 Plastics veneered laminboard shelves P20 P20/280 Plastics veneered shelves P20 P20/350 Pinboard P20 P20/410 Leg frame P20 P20/415 Leg frame P20 P20/420 Shelf bracket P20 P21 Ironmongery P P30 Trenches/Pipeways/Pits for Buried Engineering Services P P30/155 Granular backfill P30 P30/165 Foamed concrete backfill P30 P30/185 Warning marker tape P30 P30/200 Pipeduct for gas service pipeline P30 P30/206 Pipeduct for gas service pipeline P30 P30/211 Pipeduct for gas service pipeline P30 P30/215 Split pipeduct for existing gas service pipeline P30 P30/300 Access chamber P30 P30/330 Temporary drawpit P30 P30/400 Stop tap surface box P30 P30/410 Valve surface box P30 P30/420 Water valve surface box P30 P30/425 Fire hydrant surface box P30 P30/500 Gas collection pipe P30 P30/520 Brick radon sump P30 P30/525 Plastics radon sump P30 P30/530 Vent pipe P30 P31 Holes/Chases/Covers/Supports for Services P P31/300 Pipe duct P31 P31/310 Pipe sleeve P31 P31/320 Fire resisting pipe sleeve P31 P31/350 Fire resisting barrier P31 P31/370 Access cover P31 Q Paving/Planting/Fencing/Site Furniture Q10 Kerbs/Edgings/Channels/Paving Accessories Q Q10/110 Precast concrete kerb Q10 Q10/120 Stone kerb Q10 Q10/130 Clay brick kerb Q10 Q10/150 Concrete block kerb Q10 Q10/180 Drainage channel system Q10 Q10/530 Concrete foundation Q10 Q10/540 Mortar bedding Q10 Q10/550 Steel dowel Q10 Q10/650 Sealant filled movement joint Q10 Q20 Granular Sub-Bases to Roads/Pavings Q Q20/170 Geotextile filter Q20 Q20/200 Subgrade improvement layer (caping) Q20 Q20/201 Highways Agency Type 1 granular material Q20 Q20/205 Highways Agency Type 2 granular material Q20 Q21 In Situ Concrete Roads/Pavings/Bases Q Q22 Coated Macadam/Asphalt Roads/Pavings Q Q22/110 Coated macadam paving Q22 Q22/120 Coated macadam paving Q22 Q22/130 Coated macadam paving Q22 Q22/140 Rolled asphalt paving Q22 Q22/150 Rolled asphalt paving Q22 Q22/160 Rolled asphalt paving Q22 Q22/170 Coated macadam paving Q22 Q22/180 Surface treatment to existing paving Q22 Q22/185 Thermoplastic pavement marking Q22 Q22/210 Timber edging Q22 Q23 Gravel/Hoggin/Woodchip Roads/Pavings Q Q24 Interlocking Brick/Block Roads/Pavings Q Q24/110 Concrete block paving Q24 Q24/115 Permeable concrete block paving Q24 Q24/120 Clay paver paving Q24 Q24/121 Clay paver paving overlay Q24 Q24/130 Natural stone sett paving Q24 Q24/265 Edge restraint Q24 Q24/440 Geotextile sheet edging strip Q24 Q24/450 Geotextile sheet Q24 Q25 Slab/Brick/Sett/Cobble Pavings Q Q25/145 Geotextile sheet edging strip Q25 Q25/155 Geotextile sheet Q25 Q25/200 Stone slab paving Q25 Q25/205 Stone slab paving Q25 Q25/215 Concrete slab paving Q25 Q25/225 Concrete slab paving Q25 Q25/300 Brick paving on mortar bed Q25 Q25/315 Brick paving on mortar bed Q25 Q25/465 Sealant filled movement joint Q25 Q25/500 Stone sett paving Q25 Q25/550 Stone sett paving Q25 Q25/600 Concrete sett paving Q25 Q25/610 Concrete sett paving Q25 Q25/700 Stone cobble paving Q25 Q25/720 Stone cobble paving Q25 Q25/800 Precast concrete and grass paving Q25 Q25/820 Rubber safety surfacing Q25 Q26 Special Surfacings/Pavings for Sport/General Amenity Q Q28 Topsoiling Q Q30 Seeding/Turfing Q Q30/310 Grass mixture Q30 Q30/311 Grass area sown with seed mixture Q30 Q30/350 Turf edging Q30 Q30/370 Hydraulically seeded bank Q30 Q30/410 Lawn laid with turf Q30 Q30/510 Protective fence Q30 Q30/560 Grass edging strip Q30 Q30/570 Mesh reinforcement Q30 Q31 External Planting Q Q31/215 Nursery stock trees Q31 Q31/255 Advanced nursery stock trees Q31 Q31/405 Shrubs Q31 Q31/415 Hedges Q31 Q31/425 Herbaceous plants Q31 Q31/435 Climbers Q31 Q31/475 Backfilling material Q31 Q31/512 Tree guards Q31 Q31/525 Semi-mature trees Q31 Q32 Internal Planting Q Q35 Landscape Maintenance Q Q35/535 Tree grille Q35 Q40 Fencing Q Q40/110 Chain link fencing Q40 Q40/120 Anti-intruder chain link fencing Q40 Q40/125 Open mesh steel panel fencing Q40 Q40/126 Open mesh steel panel fencing Q40 Q40/140 Wire mesh fencing Q40 Q40/141 Spring steel pattern wire mesh fencing Q40 Q40/150 Strained wire fencing Q40 Q40/210 Wooden post and rail fencing Q40 Q40/220 Mild steel continuous bar fencing Q40 Q40/230 Concrete post and rail fencing Q40 Q40/250 Wood panel fencing Q40 Q40/260 Concrete post and panel fencing Q40 Q40/310 Close boarded fencing Q40 Q40/320 Cleft chestnut pale fencing Q40 Q40/330 Wooden palisade fencing Q40 Q40/340 Mild steel vertical bar railings Q40 Q40/350 Steel palisade fencing Q40 Q40/360 Concrete palisade fencing Q40 Q40/510 Field gate Q40 Q40/520 Bridle gate Q40 Q40/530 Kissing gate Q40 Q40/550 Timber gate Q40 Q40/560 Steel gate Q40 Q40/570 Timber gate Q40 Q41 Barriers/Guardrails Q Q50 Site/Street Furniture/Equipment Q Q50/110 Timber gate Q50 Q50/120 Steel gate Q50 Q50/130 Gate Q50 Q50/190 Bollard Q50 Q50/220 Bench Q50 Q50/230 Table Q50 Q50/240 Litter bin Q50 Q50/250 Poster display unit Q50 Q50/310 Play equipment Q50 Q50/410 Cycle stand Q50 Q50/420 Flagstaff Q50 Q50/430 Rotary clothes drier Q50 R Disposal Systems R10 Rainwater Pipework/Gutters R R10/110 Cast iron rainwater pipework R10 R10/120 Cast iron rainwater pipework R10 R10/130 Cast iron rainwater pipework R10 R10/150 Cast iron gutter R10 R10/170 Galvanized steel rainwater pipework R10 R10/180 Galvanized steel rainwater pipework R10 R10/210 Aluminium rainwater pipework R10 R10/230 Aluminium gutter R10 R10/250 PVC-U rainwater pipework R10 R10/260 PVC-U rainwater pipework R10 R10/270 PVC-U rainwater pipework R10 R10/280 PVC-U gutter R10 R10/290 PVC-U gutter R10 R10/350 Fascia/soffit/gutter system R10 R10/370 Rainwater outlet R10 R10/390 Syphonic roof drainage system R10 R11 Foul Drainage Above Ground R R11/110 PVC-U soil pipe R11 R11/120 Plastics waste pipe R11 R11/140 Cast iron soil pipe R11 R11/150 Cast iron soil pipe R11 R11/160 Copper waste pipe R11 R11/170 Copper pipework assembly R11 R11/180 Galvanized steel pipework assembly R11 R11/250 Floor drain R11 R11/260 Floor channel R11 R11/270 Rodding eye R11 R12 Drainage Below Ground R R12/100 Existing drains R12 R12/103 Sequence of work R12 R12/106 In situ concrete for use in drainage below ground R12 R12/121 Clay pipeline R12 R12/126 Clay pipeline R12 R12/131 Concrete pipeline R12 R12/141 Grey iron pipeline R12 R12/146 Ductile iron pipeline R12 R12/151 PVC-U pipeline R12 R12/156 Ultra-rib PVC-U pipeline R12 R12/157 Structured wall plastics pipelines R12 R12/160 Filter drain R12 R12/165 Fin drain R12 R12/168 Blanket drain R12 R12/175 Ductile iron pressure pipeline R12 R12/180 Plastics pressure pipeline R12 R12/185 Plastics pressure pipeline R12 R12/186 Pressure pipeline air release valve R12 R12/550 Pressure pipe anchorage R12 R12/630 Grease trap R12 R12/640 Manhole interceptor R12 R12/650 Rodding point R12 R12/660 Access point R12 R12/670 Saddle connector R12 R12/710 Brick manhole R12 R12/721 Precast concrete manhole R12 R12/730 Precast concrete manhole R12 R12/740 Plastics inspection chamber R12 R12/751 Granular fill soakaway R12 R12/756 Precast concrete soakaway R12 R12/781 Petrol interceptor unit R12 R12/783 Septic tank unit R12 R12/785 Storage tank unit R12 R12/800 Private packaged pumping station R12 R12/805 Private packaged pumping station R12 R12/851 Outfall R12 R13 Land Drainage R R13/201 Filter drain R13 R13/205 Filter drain with geotextile trench lining R13 R13/211 Filter drain with pipe R13 R13/215 Filter drain with geotextile-wrapped pipe R13 R13/220 Filter drain with pipe and geotextile trench lining R13 R13/225 Narrow slot fin drain R13 R13/227 Fin drain with pipe R13 R13/230 Mole drains R13 R13/235 Trenchless drains R13 R13/241 Pipe drain R13 R13/250 Drainage blanket R13 R13/401 Culverted ditch R13 R13/405 Concrete pipe culvert R13 R13/411 Concrete box culvert R13 R13/530 Granular surround/backfill R13 R13/531 Granular surround/backfill R13 R13/540 Granular surround/backfill R13 R13/541 Granular surround/backfill R13 R13/546 Selected as-dug surround/backfill R13 R13/570 Geotextile trench lining R13 R13/600 Brick silt trap R13 R13/601 Brick silt trap inspection chamber R13 R13/605 Precast concrete silt trap R13 R13/606 Precast concrete silt trap inspection chamber R13 R13/615 Vitrified clay silt trap R13 R13/620 Granular fill soakaway R13 R13/625 Precast concrete soakaway R13 R13/630 Storage tank unit for groundwater R13 R13/640 Cast iron access cover and seating R13 R13/700 Outlet headwall R13 R13/710 Inlet headwall R13 R13/720 Plain pipe outfall R13 R13/730 Connection to surface water drain R13 R13/735 Connection to sewer R13 S Piped Supply Systems S12 Hot and Cold Water S T Mechanical Heating/Cooling/Refrigeration Systems T32 Low Temperature Hot Water Heating T U Ventilation/Air Conditioning Systems V Electrical Supply/Power/Lighting Systems V90 Electrical Installation V V90/510 Luminaires V90 V90/560 External luminaires V90 W Communications/Security/Control Systems X Transport systems Z Building Fabric Reference Specification Z10 Purpose Made Joinery Z Z11 Purpose Made Metalwork Z Z12 Preservative/Fire Retardant Treatment Z Z20 Fixings/Adhesives Z Z21 Mortars Z Z22 Sealants Z Z31 Powder Coatings Z