Clearances in Hall A for the Crane and Such

19' 1.75" from the box beam surface to the inside bottom of the hook throat at maximum hook height for the Hadron arm.
19' 0.75" from the box beam surface to the inside bottom of the hook throat at maximum hook height for the Electron arm.
5' 8" for point of closest approach of hook to closed door of the detector hut.
17' 7" for point of closest approach of hook to the wall of the hall
19' 11" from the top of the transfer line pipe to the inside bottom of the hook throat at maximum hook height, above the underpass for the beam pipe
19' 11 3/4" from the top of the transfer line pipe to the inside bottom of the hook throat at maximum hook height, above the (e,p) cerenkov counter
4" from the bottom of the hook to the inside bottom of the hook throat

Currently the crane hook requires 2 minutes 36 seconds to travel from maximum hook height to minimum hook height at maximum speed
Currently the gantry requires 3 minutes 40 seconds to travel 360 degrees at maximum speed

20' 11.5" from box beam to inside ceiling of detector hut.
5' 11.25" from the floor of hut to the top of the box beam (Right Arm)
Cooling unit on the right of the ceiling drops 12" below the ceiling. 4 tons of cooling.
Cooling unit on the left of the ceiling drops ??" below the ceiling. 5 tons of cooling.
22' 10" from the hut door to the end of the box beam.
1' 6.25" from the end of the box beam to the rear wall of the hut (Right Arm)
24' 6" from the rear wall to the entrance end of the side wall (Right Arm)
11' 7" from wall to wall of the hut (Right Arm)
32' 4" from floor of hall to top surface of Detector Service Platform on Left Arm (3-20-01)

19' 3.75" from the floor to the top of the relay racks on the second level of the Electron detector frame.
19' 9.75" from the floor to the top of the cable tray on the second level of the Electron detector frame.
1' 1" from the floor to the bottom of the bottom beam on frame.
19' 11" from the floor to the inside bottom of the hook
18' 10" from the bottom of the bottom beam on frame to the inside bottom of the hook
19' 9.75" from the floor to the approximate strap height for the Electron detector frame.
22' 4" from front edge to back end of rear support bracket, used for S3 support on Hadron detector frame, on the Electron detector frame.
5' 0.5" from the centers of the outer S3 mounting holes on the left side to the centers of the outer S3 mounting holes on the right side at the rear of the stack (the center of the holes, not the center of the group of four holes).
15' 2 5/8" from the centers of the lower S3 mounting holes on the bottom end to the centers of the upper S3 mounting holes on the top end at the rear of the stack (the center of the holes, not the center of the group of four holes).