Scenario: A single engine aircraft is cleared for takeoff RWY 19C with a turn to the southwest. Aircraft is instructed to maintain visual separation with a photoshoot helicopter heading east toward Apron W. Single engine aircraft loses visual with helicopter due to sun glare and they collide over the approach end of RWY 1L. A B767 previously cleared to land on RWY 19R is breaking hard to avoid the debris from the midair collision, but impacts the debris at the departure end of RWY 19R. Falling debris hits construction vehicles that are near TWY U. The Alert Phone is ringing...