I am looking for someone who can point me in a good direction on how to make a trap door on the floor of a set. The set will be apprx 5 ft off the ground and the door/floor and hinges need to be able to support 75 - 100 pounds. It also needs to be able to release easily. Does anyone have some ideas on how to complete this task? I'm trying to have this build in the next few weeks so it's ready for Easter.