split contract(The split construction contract is characterized by several contractors having contracts with the client but not with each other. akelius.dezara-rush)
milestone contract(A milestone contract is a contract that satisfies the following conditions: -The asset which is being constructed under the contract becomes the property of the purchaser as it is being constructed; -Payment becomes due as and when agreed stages of the work (milestones) are satisfactorily completed. 4uzhoj)