Lifetime does have assembly services available. To inquire about assembly contact our customer service team at 800-336-3865 for questions/scheduling.
The pole pad is not included but can be purchased separately if you'd like one. You will need (0644) 4 in. Pole Pad for this model.
The bottom plate and template are 11” square, with a 9” hole pattern (that is “center hole to center hole). The J-Bolts are .625” x 23.677”. The part that bends (to make the “J”) extends 1.969”.
It is a 5 inch pole yes. We do not test our products with other brands so cannot say for sure if it would be compatible. The easiest way to determine compatibility is to contact our customer service department and email in photos of your unit. They can be reached at 800-225-3865 or by email at email@example.com. Customer Service hours are Monday-Friday, 7:00 am to 5:00 pm and Saturday, 9:00 am to 1:00 pm (MT).