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.Cross References: BS 12*BS 146*BS 890*BS 915*BS 1014*BS 1198, 1199 and 1200*BS 3148*BS 3587 *BS 3892*BS 4027*BS 4248*BS 4551*BS 4721*BS 4887*CP 111:Part 2*CP 121:Part 1 *CP 121.201*CP 211*CP 221*