NCSX Machine Platform FDR

June 15, 2005

Erik D. Perry

NCSX Platform

• Platform to be used during the assembly of NCSX in the high bay area of the CS building (greatly reduces the need for temporary scaffolding and scissor lifts)

• Will be the basic platform to support diagnostics and other equipment for initial NCSX operations

NCSX Platform Design

• Same design as the NSTX platform• Capacity of 150 psf• Floor height of 11’6”• Column and beam construction

– 6061-T6 aluminum with FRT wood and masonite deck

– Bolted construction– Normal spans are 8’, maximum use of

standard 4’ x 8’ panels

NCSX Platform Design

• Platform anchored to second course of shield wall (15.4 ton blocks) to absorb loads from seismic accelerations

• Three stairs to grade and two ramps to control room (each end of control room)

• Hand rails and kick plates included

NCSX Platform Cost and Schedule

• Platform design and fabrication in job 7301– $163K and completion by April 2007

• Installing portions of platform around field period assemblies is part of the assembly job

• Completing installation of the platform will be part of machine operation costs after the device is running