Need a jpg converted to a vector and cleaned up

I've been let down by a freelancer so looking to reallocate this job. I have a floorplan from a ship covering the side profile and decks and need it converted to a vector based image and cleaned up so it can be used at a higher resolution for a proof of concept. Best version I have is attached for reference.

I don't need room labels at this time but would like to keep the rest of the layout such as rooms, stairs, seating etc. I also like to keep the textured deck area. Cabin colours can vary as we can change these later so would rather go with a pastel range of colours so loose the purple and dark orange but as long as they are in a semi unique colour be fine. I can also advise on any area that is unclear if necessary.

Cost wise, Ive put a holding value as Ive no idea the cost. Delivery format, a common vector format we can work with will be fine. The only copy of the floorplan is attached

Any questions please ask but let me know cost and timeframe in any quote. Ill be allocating later today.