There are a number of different forms of Public Works Contract, each of which is appropriate in different circumstances.
Guidance Note
Guidance Note GN 1.5 – Public Works Contracts (PDF)
Contracts
Building Works designed by the Employer (PW-CF1)
Building Works designed by the Contractor (PW-CF2)
Civil Engineering Works designed by the Employer (PW-CF3)
Civil Engineering Works designed by the Contractor (PW-CF4)
Minor Works, Building and Civil Engineering Works (PW-CF5)
Short Form of Contract (PW-CF6)
Investigation Work, Building and Civil Engineering Works above and below ground (PW-CF7 and PW-CF8)
Public Works Framework Agreement (PW-CF9)
Early Collaboration Contract (PW-CF10)
Term Maintenance and Refurbishment Contract (PW-CF11)