How to say “Describe excessive assistance” professionally

Level 1: Thank you for your proactive engagement with this task. To ensure optimal resource allocation and avoid duplication, I wanted to confirm the specific areas where you'd like me to focus, as I believe I have a solid grasp on [specific aspect].

Level 2: I appreciate your thoroughness here. My current approach to [task] is focused on [methodology], and I believe we can achieve efficiency by streamlining our efforts. Perhaps we can align on key checkpoints rather than concurrent execution.

Level 3: I've noted the additional inputs on [project name]. While comprehensive, the initial RACI matrix clearly delineated ownership for this particular deliverable. We should ensure all subsequent contributions align with the established sprint plan to prevent scope creep.

Level 4: I understand your intent, but the current level of intervention is creating redundancies and extending timelines. Moving forward, I need to manage this segment independently to meet the deadline. I will provide updates at [X time/interval].

Level 5: Are you done yet?

Level 1: We appreciate your comprehensive input on this deliverable. To maintain focus on our agreed-upon scope and timeline for [project phase], we'll integrate feedback aligned with the original requirements. For additional enhancements, we can explore a subsequent phase.

Level 2: Thank you for your extensive contributions. Our current engagement, as outlined in the Statement of Work, prioritizes [specific objectives]. We'll ensure all efforts align with these core deliverables to maintain project efficiency and cost-effectiveness.

Level 3: We've received your detailed overlay. While your engagement is valued, our project governance stipulates that additional work beyond the signed SOW impacts resource allocation and budget projections. Shall we initiate a change request for this expanded scope?

Level 4: The scope of this project was clearly defined and approved. Your recent submissions introduce elements outside that agreed-upon scope and will incur additional costs and delays. We need to adhere to the original plan, or we can discuss a formal change order.

Level 5: Pay for it then.

Level 1: Thanks for jumping in! For this particular component, I actually have a specific approach outlined, so I'll handle that. Perhaps you could lend your expertise to [related task] which also needs attention?

Level 2: I appreciate your willingness to help. To maintain efficiency and ensure no efforts are duplicated, I'm going to proceed with my current plan for [task]. If you're looking for areas to contribute, [another task] might benefit from your input.

Level 3: I've observed your contributions to [my task]. While valuable, our team's standard operating procedure emphasizes individual task ownership post-allocation. Let's ensure our efforts remain distinct to optimize overall sprint velocity.

Level 4: I need you to step back from [my task]. Your involvement is creating rework for me, and I need to complete this independently to meet my deliverables. I will reach out if I require assistance.

Level 5: I'm not asking for help.