Firefighter Challenge/Training Tower

This is not an RFQ. Tower shall be made of aluminum (Rails, Stairs, and Platforms) with 1.9 OD Steel Uprights- 1.9 OD. Tower shall withstand 100 mph sustained winds. The angle of each flight of stairs shall be 6'6" climb over 7' spread. Tower needs to have a 18"-24" overhang on the tower entrance side of the top deck for equipment hoisting. Number of stairs per landing: 12 stair treads between the ground & 1st platform. 9 stair treads between 1st platform & 2nd platform. 9 stair treads between 2nd platform & 3rd platform. 9 stair treads between 3rd platform & 4th platform. 9 stair treads between 4th platform & 5th platform. 9 stair treads between 5th platform & Top Deck. The platform dimensions shall be 6' long x 28 7/8" wide (platforms 1-5) and the Top Deck is 6' long x 53 7/8" wide. The Railing heights shall be: Knee high- 19". Waist-36". Additional Rail for Top Platform- 40". If you cannot meet these exact specifications, please respond with your available products.