The major difference between lump sum and EPC is that, in EPC the contractor has the responsibility of design and construction. b. Where as in lump sum contract the design and drawings are prepared by the technical team of the owner.
How to draft a contract between two parties: A step-by-step checklist Know your parties. Agree on the terms. Set clear boundaries. Spell out the consequences. Specify how you will resolve disputes. Cover confidentiality. Check the legality of the contract. Open it up to negotiation.