chapter
Reversing drum mixer, 179 trussed rafter, 434 Ribbed floor, 581–3 trusses, 433, 465 Rider, 141 underlay, 436 Ridge detail, 438–9, 444–5 ventilation, 457–9 Ridge piece, 468–9 Rooflights, 486–9 Ridge roll, 450 Room sealed appliance, 692 Ridge tiles, 438–9, 441, 444–5 Rotary bored piling, 210, 213–4 Ridge vent, 438, 444, 457–8 Rotational dome, 10, 478 Rigid pavings, 118 Rubble chutes and skips, 164 Rigid portal frames, 415–6, 418 Runners, 260 Ring main wiring, 688 Roads: Saddle vault, 482 construction, 116–9 Safe bearing, 198–9, 578 drainage, 645–6 Safety signs, 49–50, 123 earthworks, 117 Sampling shells, 72 edgings, 121 Sand bulking test, 101 footpaths, 120 Sand compaction, 292 forms, 118 Sand pugging, 534 gullies, 644–6 Sanitary fittings: joints, 119 basin, 671 kerbs, 121 bath, 672 landscaping, 123 discharge systems, 674–5 pavings, 122 shower, 672 services, 123 sink, 671 setting out, 116 WC pan, 673 signs, 123 Sanitation systems, 674–6 Rolled steel joist, 403 Sanitation system testing, 676 Roll over crane skip, 177 Sapele, 632 Roller shutters, 366, 369 Sash weights, 345 Roofs and roof covering: Saws, 628 basic forms, 427–9 Scaffolding: built-up felt, 452–3 birdcage, 131 flat top girder, 471, 474 boards, 125–7 long span, 471–6 cantilever, 133 mastic asphalt, 456 component parts, 124 monitor, 471, 473 gantry, 135 northlight, 471–2 independent, 126 performance, 426 ladders, 125–6, 129 sheet coverings, 467–70 mobile, 129 shells, 477–85 patent, 130 slating, 445–9 putlog, 125 space deck, 476 slung, 131 space frame, 477 suspended, 132 surface water removal, 642–3, truss-out, 134 647–8 tying-in, 128 thatching, 450 working platform, 127
Resorcinol formaldehyde, 422, 633 thermal insulation, 515, 517–8, Restraint straps, 460, 571, 573 521–4 Retaining walls, 227–41 tiling, 437–8, 441–5 Retaining walls – design, 240–1 timber flat, 427, 451–6 Retro-ties and studs, 574 timber pitched, 428–35
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Resorcinol formaldehyde, 422, 633 Restraint straps, 460, 571, 573 Retaining walls, 227-41 Retaining walls – design, 240-1 Retro-ties and studs, 574 Reversing drum mixer, 179 Ribbed floor, 581-3 Rider, 141 Ridge detail, 438-9, 444-5 Ridge piece, 468-9 Ridge roll, 450 Ridge tiles, 438-9, 441, 444-5 Ridge vent, 438, 444, 457-8 Rigid pavings, 118 Rigid portal frames, 415-6, 418 Ring main wiring, 688 Roads: construction, 116-9 drainage, 645-6 earthworks, 117 edgings, 121 footpaths, 120 forms, 118 gullies, 644-6 joints, 119 kerbs, 121 landscaping, 123 pavings, 122 services, 123 setting out, 116 signs, 123