Your biggest problem, No power! Until your able to get power to the pump, via shore power or a generator, the only thing you could start to do is remove the debris.

Even having it replastered.......your a step ahead, but back to the no power problem.

But, if you want to try the "trash pump & garbage cans homemade filter system", it can be done, but gets expensive gas wise. It will not make the pool perfect, but could make it clear enough for a quick swim. If you decide to go this route, your going to need 3 garbage cans, window screen, pea gravel, filter sand( I used play sand), pvc,vinyl tubing, pvc cement, clamps and some imagination to rig up your filter. After, Hurricane Frances in 04, after the 3rd day without power, I rigged up my homemade system it wasn't pretty and the pool wasn't crystal clear, but good enough for a swim. By the 14th day power was back on....until Hurricane Jeanne knock us out for 9 days.

But I'll go step by step on what I did to rig it up.