During-construction cost management under ACMM Vol 1 §3 — documentation forms (specification + drawings, BOQ, schedule of rates, tenderer-assessed quantities), tendering procedures (open / selective / negotiation / registration & selection), tender appraisal, specialist engagement (sub-contracts / nominated / separate), liquidated damages, delay claims (Preliminaries-based evaluation), variations (pricing methods — Bill rates / Schedule / pro rata / agreed / labour / daywork), monitoring and reporting (the FF1–FF12 forms), and cost adjustment (agreed cash flow vs theoretical cash flow, K-formula contract time). Use when administering a construction contract, valuing varia…