In saucepan, bring water to a boil. Add green beans and cook until tender crisp, about 5 minutes. (If using frozen corn, add to the beans and cook for 1 minute) Drain and chill in cold water; drain and set aside.
Drain and rinse chickpeas and black beans thoroughly; place in a large bowl. Add orange pepper, corn and onions; set aside.
CHILI LIME DRESSING: Combine the ingredients; pour over the beans and toss to coat (Can be made ahead: cover and chill for up to 24 hours).