Payment arrangements, risks and project cost estimating

3.1 Methods of payment under different types of contract
” -(a) Rates only contracts
” -(b) Rates and prices for re-measurement contracts
” -(c) Lump sum contracts
” -(d) Cost reimbursement contracts
” -(e) Target contracts
” -(f) Payment under design, build and operate contracts
3.2 Other payment provisions
” -(a) Price variation provisions
” -(b) Payment terms
” -(c) Bonus payments
” -(d) Ex-contractual payments
” -(e) Pre-payments
3.3 Contractual risks arising during construction
3.4 Producing an initial cost-estimate of a project
3.5 Estimating the cost of a project at design stage
3.6 Project cost control