Most Spas Require 44” Clearance to get through gates, between houses and side fences and around corners. 9’-10’ of overhead clearance in order to move the spa into place.
Your New Arctic Spa should be placed on a prepared and uniformly firm surface (Concrete pad, wood deck, patio blocks, gravel pad), not on bare ground.
If you are using 4X4 railroad ties, they should be a maximum of 12-inch centers to properly support the entire underside of your spa.
Balconies and decks should be constructed to meet all builder codes and should be able to support up to exceed 100lbs/square foot. Remember that a gallon of water weighs roughly about 10 lbs
Your Spa can weigh as much a 1000lbs (454kg)