Part 11Basic requirements about design and

Part 11 Basic requirements about design and construction, erection, use, maintenance, inspection and testing with particular reference to cranes, lifts, hoists, scaffolding and plant 122 186 Wind loads 123 197 Horizontal forces (other than those due to wind) 124 201 Dynamic and repealed loadings 125 202

Page contents 9 Maximum permissible stresses 126 203 127 226 Stability 128 259 Test loads 129 263 Mechanical 130 264 131 283 Fencing—general 132 287 Jointers 132A 289 133 289 Stiff-leg derrick cranes 134 296 Caterpillar cranes and mobile cranes 135 299 Gravity operated overwinding limit devices 136 301 Fork-lift trucks 137 303 Commercial type hoists 138 305 Tower hoists for constructional, building, demolition, or excavation works 139 307

Page contents 10 Scaffolding and Lifts Regulation 1950 Whip or sheerleg hoists for constructional, building, demolition, or excavation works 140 315 141 318 142 318 Chain for use in connection with cranes, lifts, hoists, scaffolding, plant, gear, or building work, excavation work, or 143 338 Steel wire ropes for use in connection with cranes, lifts, hoists, scaffolding, plant, gear, or building work, excavation work, or 144 351 Fibre rope for use in connection with cranes, lifts, hoists, scaffolding, plant, gear, or building work, excavation work, or 145 389 Airlocks 146 393 Bordeaux connections 147 393 Sockets for wire ropes 148 393 Thimbles for wire and fibre rope 149 393 Steel eye bolts 150 394 Mild steel rigging screws, and stretching screws and turnbuckles 151 394

Page contents 11 Mild steel shackles 152 394 Rings, links alternative to rings, egg links and Intermediate links 153 395 154 395 Rope clips 155 396 Gin blocks used with fibre rope 156 396 Lift boxes 157 397