AGREEmENT mODIFICATIONS. ​​ Keep the owner-architect agreement up to date.Subcontractor's payment contingent upon general contractor's receipt of funds from owner. Subcontractor bears risk of owner's insolvency. DDC's construction contracts are handled through an open competitive bid process. As seasoned architects in Queens, Banji Awosika Architect PC is well situated to handle multiple contract preparation. Edit, sign, and share architect contract online. No need to install software, just go to DocHub, and sign up instantly and for free.