Originally Posted by cgoing
What model cadet and year are you getting ? Some of them have fittings on the transom that the rear board fits under. That fitting has a slot through it that a strap can be fed through to hold down a tank or battery.
My Old Zodi SIB had An Alloy floor that slotted together...just a matter of lifting and bolting/securing anything straight through and using rounded SS bolts facing down...as I did with plastic fuel tank,and load carry straps...although I had a pull start in those days!
Pop rivets won't cut it long term...and why go to the considerable bother and exspence of welding??