BSI PD 6472
BS PD 6472 1974-JAN-01 Gude to Specfyng the Qualty of Buldng Mortars
Includes general considerations; forms of specification, assessment of job, drafting of specifications; general clauses for all specifications; preamble materials, storage and preparation, batching, mixing, use of mortar; prescription specifications; basis choice of proportions, control, inspection; performance specifications; basis and control.