BS 3998:1966

Safety, season and equipment; workmanship; inspection. Individual operations; cuts; pruning; lifting of crown; cleaning out ; crown thinning; reducing and reshaping; restoration; repair work; bracing; feeding; tree removal. Appendices cover safety precautions, season, method for protecting a large tree to be used as an anchor, three methods for feeding trees after tree work, examples of methods for treatment of roots with ammonium sulphamate or sodium chlorate.