The requirement involves removing two fuel pit door lids, designated 22B and 21D, and reinstalling 21D in the location previously occupied by 22B. The doors are model DAB-725WP, approximately 30 inches wide by 78 inches long, and weigh about 660 lbs each. Detailed specifications and visual references are provided in Attachment 1. Offerors must complete and submit Attachments 4 through 6 with their proposal, as these are part of the evaluation criteria. No budget, timeline, or performance location is specified in the description.