DWA Industry Guide Watermanagement, Wastewater-Waste

2.2.3 Cranes, lifting equipment

4.6.3 Access aids

4.6.12 Manhole covers

4.6.18 Climbing rungs, ladder

4.6.20 Protective systems for manhole ladders

12.2.5 Lorry loading cranes

13.1.6 Railings

13.1.19 Ladders

13.5.6 Assembly aids, lifting and transporting equipment

13.5.9 Special structures and trailers

19.3.15 Special cranes