Place a large skillet over medium heat, once hot add the ground beef.
Brown the meat and break into small pieces with a wooden spoon, drain any excess grease.
Stir in the taco seasoning and 1/3 cup water. Simmer until the water is absorbed, then remove from heat.
In a small bowl, mix the sour cream with the ranch dip mix and chill until ready to serve.
Add the chopped lettuce to a large serving bowl. Pour 1/2 cup Catalina dressing on top and toss to combine.
Top with the taco meat, beans, bell pepper, and sweet corn.
Next pile on the crushed chips, tomatoes, green onions, olives, jalapeno, avocado slices, and cheese.
Drizzle some of the ranch sour cream mixture and the remaining Catalina dressing. Garnish with crushed chips and serve!