Future patio

Patio will be off the deck, most materials are free or acquired very inexpensively. The main cost will be lumber, sand, limestone and gravel. Patio will be 12' x 12' x 6" depth. The slate and smaller pieces of granite will Incorporate the patio area, with a 10' x 10' or 10' x 8' pergola. The area around the patio will be a walking garden 2 hammocks and a water pond or two.