I would get a gas powered generator and use it to power a small sump pump, which, in turn, would feed the pressure washer. Both the generator and sump pump would have other applications. If you don't already have a gas powered pressure washer, the generator could also power an electric one.

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Holey Moley!!I don't post on this forum much anymore, most of the old mosaicers have left for the other site. But I do check in now and then to see what everyone is doing. I especially miss you Slow, you have been here right from the beginning. When I read this story about you and your bro I just couldn't believe it! Columbia LA seems like another world to me, with houses on 8 ft pillars, and you having to take a boat to his house!! What an amazing story! I could have just kept reading, like it was this wonderful novel! When you said "I grabbed my bag, hat, weekender suitcase, jumped out onto the dock, and waved him away" I COULD PICTURE the scene, you looking like Katherine Hepburn, in the rain, "it was cold but exciting" You should write a book!! your life is so interesting and full!! I don't even know you, but I've seen your picture, seen pics of inside and outside your house, watched you create the MOST wonderful art, been reading your posts for years....just love the Texas accent, have never heard you talk but I can hear it in your posts! Lil Heffer! cracks me up! I remember once you said, when you were goin out dancin, "in Texas we wear pearls with jeans" LOVED that! So, Just wanted you to know how much I loved that story, hope your bro is ok, hope you are ok. And a Happy Thanksgiving to you and your family. And thanks Nana, for passing this on to us, I just can't say how much I LOVED the story! Shirley

try the pvc pipe, if that doesn't work can you replace the straps with something else, maybe plastic or rubber.