The engineering proposal is to inform your audience of a problem and tell them how you will fix it and persuade them to back you.

Engineering Proposal: https://docs.google.com/document/d/1XlKX5bE0dMd2bGebqyvgS0h_Ekk2xHtK/edit

Engineering Proposal Presentation: https://docs.google.com/presentation/d/1BVnraSlQ8Z-yCAJ1tdc2wTIeG7gRsHv9uQ__c0M_n8A/edit#slide=id.p