Replacement of manual counterweights and counterweight assist hoists with direct lift hoists, replacement of overstage and understage control system including electrical drives with pluggable and/or switchable spares and integrated control system with multiple desks. Replacement of revolve drive mechanism and upgrading of lighting bridge hoists.
Provision of design, manufacturing, installation, and commissioning services to:
1) Install new direct lift hoists to flybars.
2) Install new up/downstage flybars.
3) Install new portal rigging bars.
4) Add load cells, crossed groove and slackwire sensors to Lighting Bridge Hoists.
5) Provide a cable management rail system.
6) Integrate the Moving Header and Chandelier Hoist into the new control system.
7) Provide distributed electrical drive cabinets for all overstage machines complete with cross-pluggable spare drives.
8) Replace the revolve drive mechanism and add barcode absolute position encoder.
9) Replace electrical drive for revolve.
10) Replace control electronics on all four stage elevators.
11) Replace central control system, servers, network, and UPS equipment.
12) Provide a number of both large fixed and smaller wireless control desks with new cabling infrastructure to control outlets.
13) Install a new machinery mezzanine above the grid with machine guarding to all hoists.
14) Decommissioning, strip-out and transfer to stage level of all redundant equipment.
Please see Appendix 1 for further description.