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lsi lighting, sound, audio visual

location :
Venue :
Technical Consultant:
Technical Fit–Out:

Abu Dhabi – United Arab Emirates
Main Auditorium Entertainment Complex
Theatre Projects Consultants
LSI Projects

Built within a 1.5km plot of land including a beautiful 1.3km long sandy beach, and with an entrance arch some 40 metres high and 36 metres wide stands the magnificent 7 star EMIRATES PALACE HOTEL

Project Brief
The technical specifications were prepared by Theatre Projects Consultants from the client’s brief which was to provide technical facilities such that the main auditorium could effectively be used as an International Conference Centre, as well as a 1,200 seat Professional Theatre.

Contract Award
In subsequently winning what was an international tender; LSI Projects was awarded the contract for the Design, Supply and Installation of the production lighting and stage engineering systems for the Art Deco Auditorium in the entertainment complex of the magnificent 7 star Emirates Palace Hotel.

Stage Engineering
Designed, supplied and installed by LSI Projects, this comprised of a system of
chain hoists and trusses from which all of the following are suspended:
*  Adjustable curtain masking,
*  Stage lights,
*  A framed & flown film screen,
*  Motorised house curtain,
*  Flown acoustic reflector ceiling panels,
*  Rolling acoustic towers,
*  Fixed and movable curtain tracks, stage draperies and masking.

Trusses During Installation showing Flip Flop Cable Trays
A total of 10 motorised Medium Duty truss sections each 22 metres long were provided. 3 of the trusses house the over stage acoustic reflectors, one supports the film screen and associated masking which also acts as LX 1, along with 3 more LX trusses, one supports the rear curtains or cyclorama cloth and a further two form side trusses for lighting and curtaining.

Each truss is suspended from the very latest generation of Liftkit motorised chain hoists each rated to carry a working load of 1250kg. A total of 3 motors are provided for each truss due to the average lifting load requirement of 1000kg per 22 metre truss. As the system is likely to be operated by a wide variety of personnel it was felt that the highest level of safety should be in built to the system.
The Liftkit SB 8.2 motors feature a lifting speed of 4 metres per minute, two independent dc brakes, sliding clutch for over load protection, encoder for positional control together with operational and under/over load sensing. The motors are fully compliant with the new BGV-C1 that replaces the VGB70 standard. This standard, developed in Germany, covers the requirements of a suspension system over an audience. Use of these motors allows the trusses to be suspended without the use of additional safety devices such as load arrestors.

ARC Touch Screen for Film Screen/LX1 Control
The motors are controlled from a central control system using LSI Project's unique ARC control system now installed in 8 venues around the world. ARC is used throughout the Auditorium for controlling working lights, house lights, non dims and the stage engineering system. The ARC system allows each truss to be selected and then lifted or lowered to a specified height via the wall mounted touch screen or via a remote blue tooth driven control panel. All motor control panels only being operable when a dead mans
handle is held on by a second operative. The touch screen reports fault conditions as well as detailing actual height measurements. The ARC system limits the number of hoists that can be moved simultaneously in order to restrict the dynamic shock load on the building steelwork.
Curtain tracks were provided with electrically operated tracks controlled via the ARC system.

LSI's Truss Cable Management Flip Flop
The lighting system is designed to provide high levels of illumination from what will probably be a relatively fixed rig. Over the stage four lighting trusses are provided. The luminaire stock comprises of 30 zoom and 60 fixed beam cool profiles, 30 x 1.2kW Prism Convex, 12 x 2kW TV wide angle Fresnels, 60 Thomas Par Cans with the Cyclorama illuminated by 18 x 4 in-line Cyclorama light battens.      

With a 22 metre truss width a total of 4 six lamp bars are provided for each truss. On these trusses 2 flip flop trays are provided to carry the necessary DMX data, Ethernet, Working Lights, 3kW Non Dim supplies and 3kW and 5kW dimmed supplies down to the socket boxes fitted at the base of each flip flop. The dimmed outlets appear on Socapex outlets for 3kW dimmers and CEE 32 Amp for 5kW split down via MCB's to 3kW CEE outlets. A quantity of Chroma Q colour scrollers and power supplies are provided for use on the stage as well as front of house luminaires.

Auditorium Side Lighting positions
Dedicated front of house lighting positions are provided built into the auditorium ceiling accessed via catwalks and technical corridors. With such a high shaped ceiling care was taken to ensure that the long projection distances would still allow high levels of light to illuminate the stage. Side lighting positions are achieved by carefully designing the booms to be flowed into the room shapes. The bridges and slots are equipped with a combination of 1.2kW and 600 watt zoom profiles.

Lighting Control System
The lighting control system is centred around an ADB Phoenix 10XT lighting console with facilities for generic and motorised luminaires. The system is equipped with 4 visual displays to ensure the operator is rapidly fed with all the necessary information. A tracking Phoenix RB back-up system is provided together with an extensive Ethernet network with outlets throughout the installation.

Dimming and Non Dim System   
The control system links through to a complete modular dimming and non dim system housed in a purpose built dimming and electrical room located above the Auditorium ceiling to keep cable runs to an acceptable length. A total of 288 x 3kW and 36 x 5kW dimmers with 24 x 3kW Non dims are provided housed in 4 Eurodim 3 cabinets. Also housed within the dimmer room is the network rack allowing Ethernet and DMX patching to be carried out.

LSI's project manager was Andrew Nu who supervised a team of primarily UK personnel with some local support to complete the installation. The project took some 15 months to complete including operator training of the clients staff.

The LSI Projects completed Production Lighting and Stage Engineering Systems delivered a highly flexible solution matching the opulence of the auditorium and hotel complex and provided a conference and theatre facility to rival the best in the world.