Alump sum price may be called for, or a series of lump sums. This is best suited to easily defined, relatively simple constructions, involving little below-ground work. However, some quite large above-ground constructions are paid for by lump sum. Sometimes a separate section of the bill for pricing allows for the foundation work of a building to be paid for ‘on measure’. In some kinds of civil engineering work the lump sum payment method can pose serious risks upon a contractor, causing him to add a substantial sum to his tender. This is particu- larly so for design-and-build or ‘turn-key’ projects where the contractor has to undertake detailed.
