J. R. Clancy Inc. Theater and Stage Equipment Specification

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SECTION 11060

THEATER AND STAGE EQUIPMENT

** NOTE TO SPECIFIER ** JR Clancy Inc.; theater and stage equipment.

This section is based on the products of JR Clancy Inc., which is located at:
7041 Interstate Island
Syracuse, NY 13209
Tel: 315-451-3440
Toll Free Te1: 1-800-836-1885
Fax: 315-451-1766
Email: info@jrclancy.com
Web: www.jrclancy.com

For over a century J.R. Clancy has been designing and supplying stage rigging systems and services to the entertainment industry around the world.

As the leading manufacturer of theatrical stage equipment in the United States, we provide everything from simple stage hardware to highly sophisticated automated systems for every rigging requirement in theaters, concert halls, arenas, television studios, auditoriums, convention centers, casino showrooms, opera houses, and even cruise ships!

To ensure a consistently high level of product and customer service J.R. Clancy has developed a quality management system that has been certified as meeting the ISO 9001:2008 standard. We're the only North American stage rigging manufacturer to have achieved this certification.

Every project poses unique challenges. With thousands of successful projects to our credit, we have proven our ability to meet every challenge. Some can be solved with standard materials, while others require carefully defined one-of-a-kind systems. Whether simple or complex, you can be assured that every project is followed through with the absolute highest level of safety, reliability, efficiency, and craftsmanship.

Also contact JR Clancy for our standard specifications for generic Middle School, High School - Standard, and High School - Performance packages.

PART 1

GENERAL

1.1

SECTION INCLUDES

** NOTE TO SPECIFIER** Delete items not required.

Automated rigging systems.

Manual rigging systems.

Fire safety curtains.

1.2

RELATED SECTIONS

** NOTE TO SPECIFIER ** Delete sections below not required for project; add others as required.

Section 05120 - Structural Steel; supports for rigging equipment, ladders, catwalks, and all other structural steel and miscellaneous metals not specifically called out as part of this section.

Division 16 for all power and control wire, containment, terminations, testing.

1.3

REFERENCES

** NOTE TO SPECIFIER ** Delete references from list below not required for project.

ANSI E1.4-2009 - Manual Counterweight Rigging Systems.

ANSI E1.22-2009 - Fire Safety Curtain Systems.

ANSI Z535 - Safety Standards.

ANSI/AWS D1.1 - Structural Welding Code.

ASTM A 48 - Standard Specification for Gray Iron Castings.

ASTM A 536 - Standard Specification for Ductile Iron Castings.

IEC 204 - Adjustable Speed Electrical Power Drive Systems.

ISO 9001 - Quality Management Systems.

NFPA 70 - National Electrical Code.

NFPA 79 - Electrical Standards for Industrial Machinery.

NEMA 12 - Electrical Enclosures.

NEMA MG1 - Motors and Generators.

OSHA 29 CFR 1926.550 Cranes and Derricks.

UL508A - Industrial Control Panels.

UL580E - Short Circuit Tests of Electromechanical Motor Controllers.

Industrial Fasteners Institute - "Fastener Standards."

Wire Rope Technical Board - "Wire Rope Users Manual."

1.4

SUBMITTALS

** NOTE TO SPECIFIER ** Delete paragraphs below not required for project.

Submit under provisions of Section 01300.

Shop Drawings: Submit component and project specific installation drawings and schedules showing all information necessary to fully explain the design features, appearance, function, fabrication, installation, and use of system components in all phases of operation.

** NOTE TO SPECIFIER ** Delete one of the two following paragraphs.

Shop drawings shall be approved by the Architect before beginning any fabrication, installation, or erection.

Shop drawings shall be approved by the Consultant before beginning any fabrication, installation, or erection.

Operation and Maintenance Data: Submit manufacturer's recommended operation and maintenance information, including factory-authorized service agencies including their addresses and telephone numbers.

Verification Samples: For each fabric specified, two samples representing the actual product, color, and pattern.

1.5

QUALITY ASSURANCE

** NOTE TO SPECIFIER ** Delete paragraphs below not required for project.

Rigging Manufacturer: Due to the highly specialized nature of theatrical rigging equipment, and the safety requirements of the equipment, the rigging products provided for this work shall be the products of a single rigging manufacturer for consistency and ease of integration. Accessory items such as wire rope, fittings, curtain tracks, and the like may be from other specialty manufacturers.

Testing and Quality Management Systems: The rigging manufacturer must have the following programs in place. Approval to bid does not release the manufacturer from meeting these requirements:

The manufacturer must have a product testing program, including determination of recommended working loads for products based on destructive testing by an independent laboratory and review by an independent licensed engineer.

The manufacturer of the stage equipment must have a quality management system registered to the ISO 9001:2008 standard.

The manufacturer must carry primary product and general liability insurance of $2,000,000 each, with excess liability coverage of $10,000,000 and a Contractors Professional Liability policy with $2,000,000 coverage.

Safety Requirements: In order to establish minimum standards of safety, the following factors shall be used:

Cables and Fittings: 8:1 Safety Factor.

Cable D/d ratio: Sheave tread diameter is the minimum D:d ratio per the "Wire Rope Users Manual" or recommended by the wire rope manufacturer.

Tread Pressures: 500 lbs. for cast iron, 900 lbs. for Nylatron, 1000 lbs. for steel.

Maximum Fleet Angle: 1 1/2 degrees.

Steel: 1/5 of yield strength or per AISC Specification.

Bearings: Two times required load at full speed for 2000 hours.

Bolts: Minimum SAE J429 Grade 5 (ISO R898 Class 8.8), zinc plated.

Motors: 1.0 AGMA Service Factor.

Gearboxes: 1.25 Mechanical Strength Service Factor; 1.0 Gearing Service Factor.

1.6

DELIVERY, STORAGE, AND HANDLING

Deliver packaged materials in original containers. Prevent damage or contamination to materials by construction activities. Store products in accordance with manufacturer's instructions.

1.7

PROJECT CONDITIONS

Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.

Verify field dimensions prior to fabrication to the greatest extent practical.

1.8

WARRANTY

The manufacturer of the rigging systems shall provide a three year warranty against defects in materials or workmanship that goes into effect on the date of system installation. The three-year warranty is contingent on inspection of the equipment and training on its use being provided annually by a J.R. Clancy-authorized technician. It is the responsibility of the end user to make arrangements with J.R. Clancy for the annual inspection and training. Failure to obtain the inspection and training annually will void the three-year warranty. The warranty will not cover equipment that has become defective due to misuse, abuse, accident, natural disaster, alteration, vandalism, ordinary wear and tear, improper maintenance, or if used not in a manner intended.

PART 2

PRODUCTS

2.1

MANUFACTURERS

Acceptable Manufacturer: J. R. Clancy Inc., which is located at: 7040 Interstate Island ; Syracuse, NY 13209; Tel: 315-451-3440; Email: request info; Web: www.jrclancy.com

** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.

Substitutions: Not permitted.

Requests for substitutions will be considered in accordance with provisions of Section 01600.

** NOTE TO SPECIFIER ** Delete the following paragraph if not required for project.

Obtain products from a single manufacturer.

2.2

RIGGING SYSTEMS

** NOTE TO SPECIFIER ** Delete if not required for project. Automated rigging systems are widely used in schools, colleges and professional theatres. PowerLift hoists offer a range of speeds, capacities, mounting options, and control systems that fit the needs of most theatres.
The SceneControl family of consoles lets the operator pre-program every action, while maintaining the operator's ability to override any movement. Several levels of SceneControl consoles are available, offering different features.

Automated Rigging System as manufactured by JR Clancy Inc.:

** NOTE TO SPECIFIER ** Three SceneControl systems are available: SceneControl 100, SceneControl 300, and SceneControl 500. Delete SceneControl systems not required for project.

SceneControl 100 as manufactured by JR Clancy Inc.

General: The control system shall be specifically designed for the control of theatrical rigging, including operational and reliability needs. The system shall provide easily understandable and reliable position control of PowerLift hoists. Compact wall or rack mounted configuration as recommended by the manufacturer.

Control Unit:

Wall Mounted Display: 6 inch (152 mm) industrial grade color touch-screen.

The system shall have the capacity to control up to 10 hoists.

Operation:

A 6 inch (152 mm) color, industrial touch screen display will provide clear, easy to understand graphics for simplicity of operation. Movements will be set up using the touch screen. UP, DOWN, GO TARGET pushbuttons and a joystick are provided for initiation and control of movements.

Operation styles available shall range from direct position control using UP and DOWN buttons to composing presets with hoist speed, acceleration, deceleration, and target positions. Presets can be composed, stored, modified, and recalled to allow simple recording and re-creation of movements.

The SceneControl graphic user interface shall provide a hoist controller; preset creation and editing facilities; and a display of the current position and target position of each hoist. A complete display of hoist status and faults shall be provided for ease of troubleshooting and maintenance.

Actual pushbuttons and a joystick shall be provided for initiation and control of motion. For safety, no movement will be initiated from the touch screen. "Deadman" operation is required, so that the operator must be at the console and pressing a button for motion to continue.

The system shall include password-protected access, with separate levels for user, supervisor, and setup functions.

A mushroom head "EMERGENCY STOP" button and an "ON/OFF" key operated switch shall be provided on the control unit.

In systems with the load monitoring option, the SceneControl shall monitor the loads on PowerLift hoists, first learning the characteristics of a new load, then monitoring each move for changes in the load. Load information shall be obtained from solid state load cells on the PowerLift hoists. The load monitoring system shall be able to accommodate changing loads, such as the weight of borderlight cable which changes with elevation, without false tripping.

Reliability:

The control system shall use an off the shelf industrial grade Programmable Logic Controller (PLC) selected for long term, reliable operation under the conditions and environment at the site. "Home" or "office" computers are not allowed, as they do not provide the level of reliability necessary for overhead lifting.

All hardware components shall be industrial grade equipment designed for use in a typical theatre environment. These components shall be widely available on an international basis to ensure ease of replacement and maintenance.

The system program shall be embedded in ROM (Read Only Memory) to prevent corruption or unauthorized changes.

Actual pushbuttons and a joystick shall be provided for initiation and control of motion. Systems that allow motion to be initiated from a touch screen are known to allow unintended movement and are not safe.

A "Service" indicator shall be provided to indicate when routine service and inspection of the rigging system is required.

Control systems shall be UL or ETL marked as meeting UL 508A Standard for Industrial control Panels.

Control system turn-on, and user instruction shall be performed by a factory authorized and trained technician. All wiring must be complete, limits switches set and all other predecessor activities required by the manufacturer completed before system turn on.

SceneControl 300 as manufactured by JR Clancy 1nc.

Control Unit:

Display: 12 inch (305 mm) industrial grade color touch-screen.

** NOTE TO SPECIFIER ** There are two mounting options for the SceneControl 300 control unit. Delete one of the following two paragraphs.

Mounting: Wall mounted.

Mounting: Free standing pedestal.

General:

The control system shall be specifically designed for the control of motorized theatrical rigging, including operational and reliability needs. The system shall provide easily understandable and reliable position control of PowerLift hoists.

The control system shall control up to 32 hoists.

Operation:

A 12 inch (305 mm) color, industrial touch screen display will provide clear, easy to understand graphics for simplicity of operation. Movements will be set up using the touch screen. UP, DOWN, GO TARGET pushbuttons and a joystick are provided for initiation and control of movements.

Operation styles available shall range from direct position control using UP and DOWN buttons to composing presets with hoist speed, acceleration, deceleration, and target positions.

Cues can be composed, stored, modified, and recalled to allow re-creation of movements. Cues can be named or numbered. Each cue shall include up to 7 hoists.

The system shall include password-protected access, with separate levels for user, supervisor, and setup functions.

A mushroom head "EMERGENCY STOP" button and an "ON/OFF" key operated switch shall be provided on the control unit.

Reliability:

The control system shall use industrial grade Programmable Logic Controller (PLC) selected for long term, reliable operation under the conditions and environment at the site. "Home" or "office" computers are not allowed, as they do not provide the level of reliability necessary for overhead lifting.

The system program shall be embedded in ROM (Read Only Memory) to prevent corruption or unauthorized changes.

Control systems shall be UL or ETL marked as meeting UL 508A Standard for Industrial control Panels.

SceneControl 500 as manufactured by JR Clancy 1nc.

Control Unit:

Display: 15 inch (381 mm) industrial grade color touch-screen interface with customizable 3-Dimensional display.

** NOTE TO SPECIFIER ** There are two mounting options for the SceneControl 500 control unit. Delete one of the following two paragraphs.

Mounting: Wall mounted.

Mounting: Free standing pedestal.

The free standing unit shall be adjustable to meet ADA accessibility requirements as well as allowing operation with an operator standing upright.

General:

The control system shall be specifically designed for the control of motorized theatrical rigging equipment. It shall provide a level of reliability, accuracy, and integrity appropriate for overhead lifting in places of public assembly.

The manufacturer shall provide any general system software upgrades at no charge for a period of 18 months from the time of system turn-on.

Graphic Interface:

A 3 dimensional display showing the theatre specified in this document shall be provided, giving the operator a clear, easy to understand view of the rigging system. This shall allow the operator to visualize moves as cues are developed and played back. The 3D visualization offers a simple, clear understanding of the work being done, promoting safety.

For easy visualization, an unlimited number of preprogrammed views of the stage area shall be provided. Additionally, the operator shall be able to dynamically select any view of the rigging system by means of "orbit", "walk", "zoom", and "look" functions.

A 15 inch (381 mm) industrial grade color touch screen display will provide clear, easy to understand graphics for simplicity of operation. A touch pad shall also be provided to accommodate operator preferences.

The system shall allow the operator to select units to be controlled by touching the unit on the 3D graphic display for quick, intuitive selection.

Selection of hoists and targets shall be possible using the 3D display or on screen keyboard for ease of use.

Tools shall be provided to allow the user to "draw" scenic items in the display.

Hoist Control:

The hoist control section of the operator's panel shall include "Go Up", "Go Down", and "Go Target" pushbuttons, and a Joystick for dynamic speed override, allowing the operator to directly control one or more hoists.

For operator convenience, five types of operation shall be available:

Direct Operation: One or more sets can be selected and operated directly with the Up / Down pushbuttons.

Single Target: One or more sets may be directed to a common target height, using the "Go Target" button.

Multiple Targets: Several sets can be selected, with individual target heights for each set, and directed to the targets using the "Go Target" button.

Relative Target: One or more sets can be directed to move a specific distance from their present position.

Current Position as Target: The operators may move a set in direct mode, and then return it to its starting position. An example would be bringing a lighting set in for gel changes and accurately returning it to its previous position.

Time and speed control is available only for variable speed hoists.

Cues and Presets:

Cues and Presets shall be able to be composed, stored, modified, and recalled to allow simple recording and re-creation of movements. In order to suit different production requirements, individual cues shall have the ability to contain any or all of the following features. The operator must select a target position; all other items have default values, allowing the operator to easily develop a cue simply and easily. Speed and time related features are available only with variable speed sets.

Target position: which may be a specific target position, a relative move (e.g. go up 10 feet), or to match the present or previous target position. Targets shall be adjustable by virtual slider, +/- buttons, or by entering data using the on-screen keypad.

Acceleration: An acceleration time or rate may be selected to provide the desired effect, or the default value may be used.

Speed: Speed may be selected as a velocity, a percentage of full speed, or as a travel time, in which case the system will calculate the speed required. If no selection is made, the default value will be used.

Deceleration: A deceleration time or rate may be selected, independently of the acceleration rate.

Multiple hoists: A single cue shall be able to control multiple hoists, each with its own speed and target.

Synchronized Groups: It shall be possible to Group hoists for synchronized operation. If any hoist in a group looses synchronization the entire group shall stop.

Cues shall be able to be named or numbered to suit the user's needs.

The system shall be capable of controlling three dimensional moves (including up/down, pitch, roll, or horizontal movement) if used with hoists with these capabilities.

Presets shall be recorded in a manner similar to cues to provide a defined starting point for the following cues. Cues shall have a sequential relationship with the base preset and preceding and following cues.

Dual Playback Controllers:

Two, separate playback controllers shall be provided to allow two sets of movements to be controlled independently. Systems that do not allow two strings of cues to execute independently are not acceptable.

The playback control section shall have two, independent "Go" buttons and a Joystick. The joystick shall allow the operator to make dynamic changes in the hoist speeds during a move.

An "Auto Load" feature shall load the next cue on completion of the current cue.

An "Auto Follow" feature shall cause the next cue to execute automatically on completion of current cue, with time delays from start or completion of the previous cue.

Operation:

Actual pushbuttons and a joystick shall be provided for initiation and control of motion. For safety, no movement shall be permitted to be initiated from the touch screen. "Deadman" operation is required, so that the operator must be at the console and pressing a button for motion to continue. Systems that allow hoists to run without an operator actively present at the console are not permitted.

A soft limit function shall allow the operator to set soft limits for each hoist, as well as additional soft limits for each show, for added flexibility and security.

In systems with a load sensing option, the SceneControl shall monitor the loads on hoists, first learning the characteristics of a new load, then monitoring each move for changes in the load. Load information shall be obtained from solid state load cells on the hoists. The load sensing system shall be able to accommodate changing loads, such as the weight of borderlight cable which changes with elevation, without false tripping.

The system shall include password-protected access with the following levels:

Access level: allows use of the hoist controller and to play back recorded cues and presets.

Edit level: allows the creation, deletion, and editing of cues, presets, shows and editing of soft limits.

System level: allows the creation, deletion, and editing of sets and motors.

Height and distance may be entered in feet and inches, decimal feet, or metric units.

A mushroom head "EMERGENCY STOP" button, utilizing a failsafe circuit conforming to NFPA 79 requirements, shall be hard wired to starters and drives.

An "ON/OFF" key operated switch shall be provided to control power to the console, motor starters and drives. The system shall not leave the motors and drives energized when turned off. The system shall retain all positions and soft limits when power is turned off.

System Backup: A solid state flash drive shall be provided for system backup, and shall be continually updated with current positions, presets, and cues to allow the data to be transferred to another controller.

Offline Editing: Software shall be included that will allow the user to develop and edit presets and cues on a PC, and transfer that data to the SceneControl console.

Safety & Reliability:

All hardware components shall be industrial grade equipment selected for long term reliability in a typical theatre environment with wide temperature variations, dirt, and electromagnetic interference. Components shall be widely available on an international basis to ensure ease of replacement and maintenance.

The control system shall use an off the shelf industrial grade Programmable Logic Controller (PLC) and/or an industrial grade PC selected for long term, reliable operation under the conditions and environment at the site. "Home" or "office" computers are not allowed, as they do not provide the level of reliability necessary for overhead lifting.

Communication with motor starters and drives shall use an internationally supported, open architecture industrial field bus used for automation systems, such as Profibus. Systems using proprietary bus systems shall not be permitted.

Motion shall be initiated only by industrial grade pushbuttons. "Deadman" operation is required, so that the operator must be at the console and pressing a button for motion to continue. Systems that allow hoists to run without an operator actively present at the console are not permitted.

A "service" indicator shall be provided to indicate when routine service and inspection of the rigging system is required.

Control systems shall be UL or ETL marked as meeting UL 508A Standard for Industrial Control Panels.

PowerLift Hoist:

General:

The PowerLift hoist shall be specifically designed for lifting loads in theatres and other places of public assembly. It shall have a compact design with all required components integrated into its structure. All components shall be designed to properly support the required loads.

The hoist shall incorporate a sturdy frame and adjustable mounting clips for easy mounting, either horizontally or vertically, on beams with up to 12 foot (3.66 m) centers. No external strengthening members shall be required.

Characteristics: The hoist shall have the following characteristics:

Speed and lifting capacity as follows:

**NOTE TO SPECIFIER** Delete paragraphs below containing models not required for project.

Model 018-P0220VE:

Speed 0 - 20 fpm.

Capacity: 2000 lbs (907 kg).

**NOTE TO SPECIFIER** Specify quantity required for project.

Quantity: __.

Model 018-P1212VE:

Speed 0 - 120 fpm.

Capacity: 1200 lbs (544 kg).

**NOTE TO SPECIFIER** Specify quantity required for project.

Quantity: __.

Model 018-P1220VE:

Speed 0 - 120 fpm.

Capacity: 2000 lbs (907 kg).

**NOTE TO SPECIFIER** Specify quantity required for project.

Quantity: __.

Model 018-P1812VE:

Speed 0 - 180 fpm.

Capacity: 1200 lbs (544 kg).

**NOTE TO SPECIFIER** Specify quantity required for project.

Quantity: __.

Travel: 65 feet (19.8 m).

Lift Lines: 7 at 3/16 (4.8 mm) inch diameter, 7 x 19 galvanized utility cable.

Units shall be available for 208, 230, or 460 VAC 60 Hz power, without the need for transformers..

The hoist shall use a moving drum to minimize hoist size and wire rope wear. The drum shall move along its axis as it rotates, keeping the cable takeoff points on the drum aligned with the head block sheaves incorporated in the hoist (zero fleet angle design). This shall be accomplished by the drum sliding on its axle.

Electrical components, such as motors and brakes, shall not move relative to the fixed frame of the hoist, in order to prevent premature failure of wiring, connections and other components.

Covers shall be provided for hoists unless they are greater than 106 inches (2692 mm) from gridiron or gallery floors or 34 inches (834 mm) horizontally from a barrier.

Hoists shall not be used to lift humans.

Gearmotor and Primary Brake:

The motor, primary brake, and gearbox shall be an integrated unit from a single manufacturer. For enhanced reliability, a continuous shaft shall link the brake, motor armature, and the first stage pinion gear without the use of couplings.

Motors shall be totally enclosed fan cooled (TEFC) per NEMA MG1. Motors shall have a minimum service factor of 1.0.

The gear reducer shall employ helical gearing. The gear case shall be cast iron for protection against shock damage and to provide noise reduction. The output shaft shall have triple lip oil seals to prevent leaks.

The integral electro-magnetic brake shall be spring applied and electrically released, with a minimum retarding torque of 200% of motor full load torque. Brakes with a lower retarding torque shall not be permitted.

SureBrake II: For added security, a spring applied and electrically released electro-magnetic load brake shall be located between the output shaft of the gearbox and the drum. The brake controller shall apply the brake if the speed, exceeds the commanded speed, the maximum speed, or if it detects a failure in the integrity of the shafting and gearbox.

Drum:

The drum shall be helically grooved to accept a single layer of cable accommodating the entire travel distance plus three dead wraps per cable. Drums that do not provide a minimum of three dead wraps will not be allowed.

Cables shall be retained by a copper Nicopress stop sleeve inside the drum. The cable retention system shall allow replacement of lift lines in situ.

Preloaded chase rollers shall be provided to retain lift lines in their grooves.

The pitch diameter of all drums shall meet or exceed the wire rope manufacturer's minimum recommended D:d ratio. Load bearing wire rope groove profiles shall meet the recommendations of the Wire Rope Technical Board.

The drum shall be positively driven to move along its axle to maintain a zero fleet angle with the head block sheaves. The drum and axle shall be permanently lubricated.

The drum shall be molybdenum disulphide filled nylon.

Sheaves:

All load bearing sheaves, both internal and external, shall have a minimum 26:1 D:d ratio to meet the wire rope manufacturer's recommendations. Sheave grooves shall be deeper than the cable diameter for cable protection. The sheave shall be equipped with a minimum 12 mm diameter machined steel shaft and two sealed, precision ball bearings. Spacers shall positively retain the cable.

Loft Blocks:

Loft blocks shall have 12-gauge steel (minimum) side plates that shall fully enclose the sheave. Side plates shall be bolted to the base angles. Base angles shall be a minimum 1 1/2 inches x 1 1/2 inches x 3/16 inch (38 mm x 38 mm x 4.8 mm) angle punched with a universal hole pattern for easy installation. There shall be a minimum of seven 1/4 inch (6.35 mm) bolts with spacers between the side plates, four of which prevent cables from escaping the sheave grooves.

The block and associated mounting hardware shall have a recommended working load of at least 500 lbs (227 kg), and shall be designed for upright or underhung use.

Loft blocks shall be provided with idlers to support ongoing lift lines with an individual groove for each lift line to prevent tangling. The use of ungrooved drums is known to cause tangling and jams, and is not allowed.

In double purchased applications, the double purchase loft block side plates shall be attached to the batten with two steel pipe clamps. Each batten clamp shall fully encompass the batten and have a minimum recommended working load of 500 lbs (227 kg).

Limit Switches:

All hoists shall have positively actuated limit switches for normal end of travel. Actuation of the normal end of travel limit switches shall only allow movement away from the limit switch.

Positively actuated limit switches shall be provided for over travel, redundant to the normal limits. These shall use a separate circuit to positively disconnect power from the hoist, using a UL580E Type 2, non-welding, positive break contactor. An override mechanism to allow resetting of the over travel limits shall be provided.

Limit switches shall be set to match actual site conditions.

Computer controlled systems shall also have software limits utilizing solid state encoders, in addition to the two levels of mechanically actuated limit switches.

Motor Controllers:

For fire and electrical safety, motor controllers shall conform to the NEC (NFPA 70), be built in accordance with UL Standard 508, and be "touch safe" per IEC 204-1 "Protection against direct contact" rules.

Variable speed controllers shall be solid state flux vector drives designed for hoisting duty. Each controller shall incorporate closed loop feedback using a solid state position encoder mounted on the motor shaft to provide the greatest accuracy and performance. The controller shall provide an essentially infinite speed range, including the ability to produce full torque at zero speed. The use of open loop drives is prohibited.

Power wiring between vector drives and motors shall be shielded to reduce electrical noise.

Controllers shall provide over current, overload, and phase loss protection.

Operation of the system key switch shall disconnect power to all starters and drives.

A maintenance pendant shall be provided for direct control of the hoists during setup and for maintenance. It shall contain Up and Down pushbuttons, an Overtravel Bypass switch, and a key operated On / Off switch.

Emergency Stop System:

The emergency stop system shall meet NFPA-79 (Electrical Standards for Industrial Machinery) and directly remove power by means of electromechanical components, using a UL580E Type 2, non-welding, positive break contactors

The emergency stop circuit shall be a normally closed circuit or a supervised circuit that provides the same or greater level of reliability and security. Its operation shall not depend on software or semiconductors.

Resetting the emergency stop circuit shall not initiate motion.

For hoists running at more than 50 fpm, a Category 1 controlled stop per NFPA-79 (Electrical Standards for Industrial Machinery) shall be provided. This provides a rapid ramp to a stop, and then removes power to reduce shock loading.

** NOTE TO SPECIFIER** This option can only be used in conjunction with SceneControl 100 - 500 series consoles. Delete if not required or available.

Load Monitoring:

Load information shall be obtained from dual solid state load cells on the PowerLift hoists. The load monitoring system shall be able to accommodate changing loads, such as the weight of borderlight cable which changes with elevation, without false tripping.

Power & Control Wiring:

Integral power and control cables shall be provided with each PowerLift hoist. Cables shall be eight feet long, with one end directly connected to the hoist assembly.

Power cables shall be a properly rated SO cable, with a NEMA L series locking connector. Control cables shall have a connector with a steel body and a positive locking lever.

Power and control raceways or boxes (configured as determined by the hoist manufacturer) shall be provided, complete with connectors that mate with those provided on the cables.

** NOTE TO SPECIFIER ** Theatres have one or more lighting positions in the audience chamber, which are used for front lighting of the stage. These should be fixed lighting positions with catwalks allowing easy, safe access to the lighting fixtures. If this is not possible, motorized lighting battens are required to raise and lower the lighting fixtures for maintenance, re-lamping, and changing color filters.

Battens:

Battens shall have the ability to accept standard lighting fixture clamps, scenery chains, and pipe clamps.

All battens shall be 1 1/2 inch (38 mm) nominal diameter, schedule 40 steel pipe in lengths as shown on the drawings or Bill of Materials. All joints shall be spliced with 18 inch (457 mm) long sleeves with 9 inches (229 mm) extending into each pipe and held by two 3/8 inch (9.5 mm) hex bolts and lock nuts on each side of the joint.

Each end shall be covered with a bright yellow, closed end, soft vinyl safety cap at least 4 inches (102 mm) in length.

Lift line termination at the battens shall fully encompass the batten, and have a manufacturer's recommended working load rating of at least 500 lbs. (227 kg) Acceptable terminations include a 1/4 inch (6.35 mm) plated, grade 30 Proof Coil chain with forged shackle or a load rated full pipe clamp.

Hoists shall be UL or ETL marked as meeting UL 1340 Standard for Hoists.

Installation supervision and commissioning of the motorized rigging system shall be performed by a factory authorized and trained technician.

Front of House Lighting Hoist:

Product: PowerLift as manufactured by JR Clancy Inc.

Capacity: 2,000 lb (907 kg).

Speed: 20 fpm, fixed.

Controls:

Motor Controllers

Controllers shall be wired so that operation of the normal end of travel limit switches shall only allow movement away from the limit switch.

The controller shall be sized to match the hoist motor horsepower. Overload and overcurrent protection shall conform to UL and NEC requirements.

SceneControl 50 Control Station as manufactured by JR Clancy

Control stations shall be contained in the hoist assembly, and contain hold to operate (dead man) Up and Down pushbuttons for each hoist. A key operated On / Off switch shall be provided.

A red, mushroom head emergency stop pushbutton shall be provided, which will disconnect power to the hoist through a circuit meeting NFPA-79 (Electrical Standards for Industrial Machinery) requirements.

A "Service" indicator shall be provided to alert the user when regular system service is required.

Panel components (pushbuttons, key switches, switches, indicators, E-stop switches, and the like) shall be industrial grade units.

Position Control

The user shall be able to set four preset stop positions. The hoist will stop at each preset position, and an "At Target" indicator will illuminate. Releasing and pressing the Up or Down button again will move the load to the next preset position.

Presets positions are set by the user, by moving the load to the desired position, and performing a simple control sequence.

The system shall provide reliable, accurate positioning within 1/16 inch (1.6 mm) of the target position.

A solid state position encoder shall be provided.

Connector Strip: A U.L. Listed and labeled connector strip shall be provided with circuits and connectors as indicated in the drawings.

Cable Management: A folding pantograph shall be provided to contain the power and control cables running to the connector strip. The pantograph body shall contain and protect the electrical cables and be constructed with sturdy hinges capable of resisting the stresses and loads of regular operation of the automated lighting batten through its full travel.

** NOTE TO SPECIFIER ** Quantity of Front of House (FOH) lighting hoists must be either specified herein or on the Drawings. Delete one of the following two paragraphs. If not listed on the Drawings, indicate number of FOH lighting hoists are required for project

Provide __ front of house lighting hoists.

Provide amount of front of house lighting hoists indicated on the Drawings.

** NOTE TO SPECIFIER ** Delete if not required for project. Traditional, counterweighted rigging systems have been in use for over 80 years. They're based on balancing the load with steel counterweights, and pulling ropes to initiate movements. A loading gallery is a necessity for loading and unloading the counterweights. Motorized PowerAssist® hoists are provided for the lighting sets, as they are typically moved the most and carry the largest loads. This is the lowest cost type of rigging, but it requires the most manpower, training, and skill to operate.

Manual Rigging System:

System Description: Counterweighted manual rigging system as manufactured by JR Clancy Inc.

System Includes:

** NOTE TO SPECIFIER ** Counterweight rigging should be used for the scenery, curtain and general purpose sets. Delete if not required for project.

Counterweight Rigging:

12 inch (305 mm) Head Block:

The sheave shall be filled nylon with a 12 inch (305 mm) outer diameter. The sheave shall be equipped with a 1 inch (25 mm) diameter shaft and two tapered roller bearings.

Base angles shall be a minimum 2 inch x 1 1/2 inch x 1/4 inch (51 mm x 38 mm x 6.35 mm) angle with the short leg turned in.

Side plates shall be a minimum of 10-gauge steel, and shall fully enclose the sheave. Side plates shall be bolted and welded to the base angles for extra strength.

The block and associated mounting hardware shall have a recommended working load of at least 2,500 lbs (1134 kg).

Head blocks shall be J. R. Clancy No. 1NS-1259 series, grooved for six or eight 1/4 inch (6.35 mm) lift lines and one 3/4 inch (19 mm) hand line.

Loft Block - 4 & 8 Line:

The sheave shall have an 8-1/2 inch (216 mm) outside diameter, and shall be filled nylon. The sheave shall be equipped with a 1 inch (25 mm) diameter shaft and two tapered roller bearings.

Base angles shall be a minimum 1 1/2 inch x 1 1/2 inch x 3/16 inch (51 mm x 38 mm x 4.75 mm) angle.

Side plates shall be a minimum of 10-gauge steel, and shall fully enclose the sheave. Side plates shall be bolted and welded to the base angles.

The block and associated mounting hardware shall have a recommended working load of at least 1300 lbs (590 kg), and shall be designed for use in either upright or underhung usage.

Loft blocks shall be J. R. Clancy No. 3NC-855 series, grooved for 4 or 8 - 1/4 inch (6.35 mm) lift lines as applicable.

Loft Block:

The sheave shall have an 8-1/2 inch (216 mm) outside diameter, and shall be filled nylon. The sheave shall be equipped with a 17 mm diameter shaft and two sealed, precision ball bearings.

Base angles shall be a minimum 1 1/2 inch x 1 1/2 inch x 3/16 inch (51 mm x 38 mm x 4.75 mm) angle punched with a universal hole pattern for easy installation.

Side plates shall be a minimum of 12-gauge steel, and shall fully enclose the sheave. Side plates shall be bolted to the base angles.

The block and associated mounting hardware shall have a recommended working load of at least 500 lbs (227 kg), and shall be designed for use in either upright or underhung usage.

Loft blocks shall be J. R. Clancy No. 2NC-10855R, grooved for one 1/4 inch (6.35 mm) lift line.

Idler assemblies:

Loft block idlers shall be provided to carry the weight of the cables and prevent rubbing against adjacent block side plates. They shall not be installed to carry line loads or to act as deflector or mule blocks.

Idler assemblies shall consist of one or two 3-1/2 inch (89 mm) diameter, 3-line filled ABS idler pulleys mounted on the side of the loft block housing.

The sheaves shall have 1/4 inch (6.35 mm) cable grooves and two sealed, precision ball bearings and shall ride on a 1/4 inch (6.35 mm) shaft inserted through the block housing.

A 3/16 inch (4.75 mm) diameter spacer shall mount in the housing and captivate the cables in the grooves.

All nuts shall be of the nylon insert self-locking type.

J-Guide Arbors:

Arbor shall be of specified length, or long enough to accommodate counterweights to balance its pipe batten and related equipment, whichever is longer.

The arbor top shall be a 1/4 inch (6.35 mm) steel plate formed into a channel with 3 inch (76 mm) sides, punched to receive 8 cables. A bolt and spacer shall tie the legs together and provide a tie off point for the hand line. The front of the arbor top shall carry a 1- 1/2 inch (38 mm) high white set number.

The arbor bottom shall be of similar construction, with counterweight rests to keep the weights from resting on the inner arbor rod nuts.

The top and bottom of the arbor shall be tied together by means of two 3/4 inch (19 mm) steel arbor rods and a 3/8 inch x 3 inch (9.5 mm x 76 mm) steel back plate. The arbor rods shall have three nuts at each end, the outermost being a lock nut.

Two guide assemblies shall be provided, each comprised of UHMW plates between steel backup plates or molded plastic shoe assemblies with stiffening ribs, secured to the arbor by means of two 3/8 inch (9.5 mm) hex head bolts and lock nuts.

Provide 12-gauge spreader plates (two minimum) on arbor rods so they can be spaced between counterweights on 24 inch (610 mm) centers. Provide a retaining collar on each rod, each with a 1/4 inch (6.35 mm) set screw with red plastic knob for easy locking. The front retaining collar shall be welded to the top spreader plate.

Provide labels on the steel back plates showing the proper locations for the spreader plates.

** NOTE TO SPECIFIER** Specify length of arbors required for project.

J-Guide arbors shall be J. R. Clancy 007-15 series, __ feet long.

10 inch (254 mm) Tension Floor Block:

The cast iron sheave shall have a 10 inch (254 mm) outside diameter and shall be an iron casting with a machined groove for a 3/4 inch (19 mm) rope.

The sheave shall be equipped with a 17 mm diameter shaft and two sealed, precision ball bearings.

Side plates shall be a minimum of 3/16 inch (4.8 mm) steel plate.

The block shall have a minimum weight of 40 lbs. (18 kg) to properly tension the hand line.

A plastic kick tab shall be provided to permit adjustment of the rope tension.

The floor block shall be held in place and guided in the J-Guides by two guide shoe assemblies, each consisting of two guides and one spacer made of 5/16 inch (8.9 mm) thick steel plates. Each guide shall be secured to the housing by means of two 3/8 inch (9.5 mm) hex head bolts and nuts.

The tension floor block shall be J.R. Clancy No. 6CR-1015.

Rope Lock:

The rope lock shall consist of an ASTM A536 ductile iron housing, cams and handle. The housing shall allow the use of a standard padlock to hold the handle in its closed position.

In order to reduce noise during operation, there shall be a rubber bumper in the housing to silence the handle when it is opened. The dogs that grip the rope shall be machined to fit closely to reduce noise, and shall not require the use of washers.

Adjustment for rope shall be from 5/8 inch to 1 inch (16 mm to 25 mm) by means of a 1/2 inch (13 mm) nylon tipped, socket head adjustment screw with lock nut at the rear of the housing.

The handle shall be 9 inches (229 mm) long with a nylon powder or vinyl dip coating. The handle shall be installed so that it passes two degrees past vertical to lock the hand line.

A coated, oval, welded steel ring shall be provided as a safety lock.

The rope lock shall mount to the locking rail with four 3/8 inch (9.5 mm) hex bolts and lock nuts.

The rope lock shall be J.R. Clancy No. 010-533R.

J-Guide System:

** NOTE TO SPECIFIER** Specify number and length required for project.

The complete J-guide system shall consist of ____ vertical J's, each ______ long, located to receive sets on 6 inch (152 mm) or 8 inch (203 mm) centers as applicable. Vertical J's shall be 1-3/4 inch x 1-1/2 inch x 3/16 inch (44.5 mm x 38 mm x 4.75 mm) extruded aluminum members.

J-guides shall be held in place by extruded aluminum clips, which are bolted to the wall battens. The clips and J-guide shall be formed so that they lock together in accurate alignment. There shall be no need for holes or slots in the J-guides.

** NOTE TO SPECIFIER** Locations with high seismic activity may require different spacing or sizes.

Horizontal wall battens shall be located on centers not to exceed 5 feet. Wall battens shall be 1-3/4 inch x 1-3/4 inch x 3/16 inch (44.5 mm x 44.5 mm x 4.75 mm) steel angles with factory punched holes on 2 inch (51 mm) centers to allow J-guides to be located on 6 inch (152 mm), 8 inch (203 mm) or other centers.

Wall battens shall be held in place by adjustable wall knees, consisting of a 5/16 inch x 1-1/2 inch (7.9 mm x 38 mm) steel knee and an 11 gauge 1 inch x 2 inch (25 mm x 51 mm) formed, slotted channel to aid in alignment made necessary by irregularities in the wall.

There shall be a top stop batten, a bottom stop batten and a floor batten, all of which shall be made of 1 3/4 inch x 1 3/4 inch x 3/16 inch (44.5 mm x 44.5 mm x 4.75 mm) steel angle. The top and bottom stop battens shall each have a 2 inch x 2 inch (51 mm x 51 mm) hardwood bumper and 1/4 inch x 2 inch (6.35 mm x 51 mm) neoprene facing securely bolted to the stop battens by 1/4 inch x 2 1/2 inch (6.35 mm x 63.5 mm) carriage bolts, nuts, and washers.

All other members of the J-guide system shall be assembled using 5/16 inch (7.9 mm) hex head bolts, lock nuts and washers.

The J-guide system shall be J.R. Clancy No. 012-1650 Series.

Locking Rail:

** NOTE TO SPECIFIER** Specify length and spacing required for project.

The locking rail shall be _____ feet long and shall be punched to receive rope locks on ___ inch centers.

Rope locks and index cards shall be mounted on a formed steel angle no smaller than 3-1/2 inch x 5 inch x 1/4 inch (89 mm x 127 mm x 6.35 mm).

The onstage edge of the rail shall be sloped and punched to receive formed clips which hold index cards centered on the installed sets. Provide one numbered plastic write-on card for each installed set.

Stanchions made from 1/2 inch x 3 inch (13 mm x 76 mm) flat bar shall be provided on 60 inch maximum (1524 mm) centers.

The entire locking rail shall be designed and installed to withstand a minimum up load of 500 pounds per foot (69 kg per meter) per AISC standards.

Locking rails shall be J.R. Clancy No. 011-538 Series.

10)

Outrigger Brackets:

Angle iron outrigger brackets shall be made of 3/16 inch x 1 3/4 inch x 1 3/4 inch (4.8 mm x 44.5 mm) angle and spaced not more than 120 inches (3048 mm) apart. The brackets shall be attached to the wall battens of the arbor guide system so that the batten is located 10 feet above the gallery or stage floor. The brackets shall include clamps for attaching the batten.

The outrigger batten shall be made from 1 1/2 inch (38 mm) I.D., schedule 40 pipe extending the full length of the locking rail. Specifications are the same as other battens.

Outrigger brackets shall be J.R. Clancy No. 015-96.

11)

Index Light:

Each index light unit shall consist of a sheet steel housing containing lamp sockets mounted 24 inch (610 mm) apart and wired on a single circuit with leads and junction box at either end. Sockets shall be suitable for 60 Watt, A type lamps.

Units shall be constructed so as to light the locking rail and prevent light from spilling on stage. The exterior of the index strip light shall be painted a matte black, the interior shall be white. Units shall be supplied in five and ten foot sections.

Index strip lights shall be UL Listed.

Index lights shall be J.R. Clancy No. 015-1514 series.

** NOTE TO SPECIFIER ** PowerAssist hoists should be used for the stage lighting sets. Delete if not required for project.

PowerAssist Hoists:

General:

The PowerAssist single axis hoist shall be used to motorize counterweight rigging sets.

The hoist shall be of a compact design with all required components integrated into its structure. It shall be floor mounted.

The hoist assembly shall be less than 12 inch (305 mm) wide, and be able to automate a set that is located between other counterweight sets on 6 inch or greater centers.

PowerAssist single axis hoists shall have a speed of 25 fpm with a total lifting capacity of 2,000 lbs (907 kg). The hoist will handle an out of balance load equal to 50% of the set capacity. The counterweight arbor will be permanently loaded to 50% of the set capacity, allowing the use of a smaller motor. The counterweight in the arbor shall be banded in place, and a method to impede the installation of additional counterweight provided. A sign shall be provided warning the user not to adjust the weight in the arbor.

All components shall be designed to properly support the required loads.

Motor, Gearbox and Brake:

A motor, gear reducer and primary brake shall be provided. Motors shall be totally enclosed fan cooled (TEFC) per NEMA MG1.

The gearmotor shall have a minimum service factor of 1.0 and be provided with seals to effectively prevent leaks.

Brakes shall be spring applied, direct acting, electrically released, and equipped with a manual release. The brake shall be an electro magnetic unit with a minimum retarding torque of 200% of motor full load torque. The brake shall be released by energizing the coil simultaneously with the motor winding to provide fail-safe braking in case of power failure.

Drive Medium:

The drive medium shall allow the use of a counterweight set head block without modification and shall be positively driven in a manner that will allow repeatable positioning.

The drive medium shall have a minimum design factor of 10:1

Roller chains shall have a double leaf construction. UHMW chain guides shall be provided to ensure positive engagement of chain and sprockets, even with slack in the drive chain.

The portion of the drive medium that runs on the head block shall operate at the same pitch diameter as the lift lines so that they operate at the same speed, to avoid excessive cable wear and "jumping" caused by differing speeds.

Limit Switches:

All hoists shall have positively driven mechanical limit switches for normal end of travel indication. These switches shall signal control circuits in the reversing contactors.

Positively driven mechanical limit switches shall be provided for overtravel indication. Actuation of an overtravel limit switch shall use a separate, redundant circuit to positively disconnect power from the hoist, per NFPA 79, using a UL580E Type 2, non-welding, positive break contactor.

Motor Controllers:

Controllers shall be wired so that operation of the normal end of travel limit switches shall only allow movement away from the limit switch.

The controller shall be sized to match the hoist motor horsepower. Overload and overcurrent protection shall conform to UL and NEC requirements.

Scene Control 50 Control Station as manufactured by JR Clancy.

Control stations shall be contained in the hoist assembly, and contain hold to operate (dead man) Up and Down pushbuttons for each hoist. A key operated On / Off switch shall be provided.

A red, mushroom head emergency stop pushbutton shall be provided, which will disconnect power to the winch through a circuit meeting NFPA-79 (Electrical Standards for Industrial Machinery) requirements.

A "Service" indicator shall be provided to alert the user when regular system service is required.

Panel components (pushbuttons, key switches, switches, indicators, E-stop switches, and the like) shall be industrial grade units.

Position Control:

Presets positions are set by the user, by moving the load to the desired position, and performing a simple control sequence.

The system shall provide reliable, accurate positioning within 1/16 inch (1.6 mm) of the target position.

A solid state position encoder shall be provided.

Sheaves:

Sheaves shall be of the following materials, as specified:

ASTM A 48 Class 30 grey iron castings.

Molybdenum disulphide filled or polyamide nylon.

Steel.

Groove depths shall be sufficient to fully encompass the cables and ropes. Grooves shall have sloped sides (8 degree minimum) and conform to rope and cable manufacturers' standards for groove shape and tolerance.

All rope and cable grooves in a sheave shall have equal pitch diameters.

Bearings:

Bearings shall be manufactured per AFBMA/ANSI standards.

Ball bearings shall be sealed precision with double seals.

Pillow block bearings must be loaded into their base.

Block Shafts:

Shafts shall be machined steel, have fine screw threads, and be keyed to one side plate to prevent rotation.

Proper adjustment of the sheave and bearings shall be accomplished by means of a fine thread, self-locking nut on the opposite end of the shaft. Each sheave shall run plumb and true without rubbing its side plates when rotated.

Block Side Plates:

Hot rolled steel.

Spacers shall be used to stiffen the side plates and to prevent cables from escaping from the sheave grooves.

Fabrication:

The mechanical fabrication and workmanship shall incorporate best practices for good fit and finish. There shall be no burrs or sharp edges to cause a hazard to personnel.

All moving parts shall meet specified tolerances.

All equipment shall be built and installed to facilitate future maintenance and replacement.

Finishes:

Paint shall be the manufacturer's standard finish and color except as noted.

All turnbuckles, clips, tracks, chains and other items of incidental hardware shall be furnished plated or painted.

Recommended Working Load: This specification calls for minimum recommended working loads for many hardware items. This is the maximum load which the manufacturer recommends be applied to properly installed, maintained, and operated new equipment. Manufacturer's recommended working loads shall be determined by a Licensed Professional Engineer.

2.3

FIRE SAFETY CURTAINS

** NOTE TO SPECIFIER ** Fire curtains provide a barrier between the stage and auditorium, inhibiting the passage of heat, smoke, and fire to meet IBC, UBC, or NFPA 5000 requirements and NFPA 80 or ANSI E22.1 standards. Straight lift curtains are used when the clear interior height in the stage house is at least 4 feet (1220 mm) greater than twice the proscenium height. Brail curtains are used at other times. Delete if not required for project.

Straight Lift Curtain

General Description:

Furnish and install a motorized straight lift type, automatically closing fire safety curtain for the proscenium opening indicated on the drawings. Curtain shall lap masonry not less than 18 inches (457 mm) at each side of the proscenium opening and 24 inch (610 mm) at the top of the proscenium opening.

The curtain shall be arranged to comply with applicable codes and, in general, intercept fire and smoke and prevent glow from severe fire on the stage from showing on the auditorium side for at least thirty (30) minutes in order to permit safe egress of all people from the auditorium.

The curtain shall close by gravity due to over balance of the curtain as specified below. Emergency closing must occur in less than thirty seconds when the fire line is released or fusible links separate.

Special Conditions: It is the intention of this specification to provide a fully functioning fire safety curtain system. Actual equipment and components must reflect building conditions and approved construction drawings. All dimensions must be field verified by the Rigging Contractor. Conditions detailed in the drawings, which may not be covered in these specifications, shall determine actual equipment needs.

Zetex Fire Safety Curtain: The curtain shall be fabricated from tightly woven J.R. Clancy Zetex 1210 ZP non wire inserted, non asbestos, non carcinogenic silica based cloth, 12 x 7 weave of .070 inch (1.8 mm) thickness weighing at least 40 ounces per square yard (0.95 kg per square meter). The curtain shall be listed and approved by the State of California Fire Marshall and shall bear a certification label from a nationally recognized listing agency. All strips of fabric shall be in continuous lengths running the full height of the curtain. There shall be no horizontal seams. Each seam shall be sewn with two lines of stitching using fiberglass thread. Top and bottom pockets shall be 6 inches (152 mm). The bottom pocket shall be equipped with a 3 inch (76 mm) yield pad filled with Zetex.

Smoke Seal: Provide a smoke seal consisting of a triple layer of folded fabric fastened above the proscenium with a mounting clamp so it rubs the curtain and seals the top of the opening. The fabric shall be Zetex 800 cloth with a minimum weight of 27 oz. per square yard (0.64 kg per square meter).

Fire Curtain Hoist:

Hoist shall consist of a cable drum, coupled to an electric motor through a manual clutch. Hoist shall have an 800-pound (363 kg) lifting capacity at a rate of 25 feet (7.6 m) per minute. The hoist shall be fully enclosed and supplied with a sturdy metal stand or wall brackets.

The cable drum shall be of welded steel construction and carry 75 feet (23 m) of 5/16 inch (7.9 mm) diameter 7 x 19 galvanized utility cable.

The hoist (and curtain) shall be locked in position by the motor brake and manual clutch located within the enclosure. The clutch shall be held engaged by the fire line. Releasing the fire line shall open the clutch, permitting the cable drum to rotate, lowering the curtain. The clutch handle shall extend through the top of the case, for easy attachment to the end of the fire line. No more than 20 pounds (9 kg) of tension in the fire line shall be required to hold the full load capacity of the winch.

The unit shall be equipped with an adjustable hydraulic speed governor to regulate the speed of descent.

Gearmotor:

The motor and gearbox shall be an integrated unit, with the first stage pinion mounted directly on the motor's armature shaft.

Motors shall be totally enclosed fan cooled (TEFC). The motor shall have a minimum AGMA service factor of 1.0 for constant operation.

The gear case shall be cast iron for protection against shock damage. The output shaft(s) shall have double lip oil seals to prevent leaks. The gearing service factor shall be a minimum of 1.0 with a mechanical strength service factor of 1.25.

Rotary Limit Switch:

Rotary limit switch assembly shall have four independently adjustable switch/cam sets as required. Cams shall be driven by a geared assembly.

Switches shall have snap acting contacts.

Switches shall be mounted within the winch base as to allow for easy adjustment of the switch settings.

Rotary limit switches shall be Ravasi or equal.

All components in the hoist shall be fully enclosed. All access panels for adjustment and maintenance shall be removable without removing the hoist from service.

Fixed Speed Starter:

The hoist shall be controlled by a UL 580E listed, full voltage, self protected, reversing starter. Enclosure shall be NEMA 12 with hinged, latching cover. The interior of the starter cabinet shall be "touch safe" per IEC 204-1 "Protection against direct contact" rules.

The NEMA/IEC, magnetically operated, mechanically and electrically interlocked, reversing starter shall be sized to match the hoist motor horsepower and shall be rated for plugging and jogging. Units shall incorporate UL580E Type 2, non-welding, positive break contactors.

Overcurrent protection shall be provided by an IEC Class 10 overload. Short circuit protection shall be provided by a circuit breaker.

Starters shall be wired so that operation of the normal end of travel limit switches shall only allow movement away from the limit switch. Operation of an overtravel limit switch shall open the line contactor, and will not allow further movement in either direction. A spring return toggle switch shall be housed inside the starter cabinet to allow override of the overtravel limits for resetting purposes.

Control Station: Controls are mounted on the motor starter, consisting of up and down push buttons and an emergency stop button.

Hoist: The hoist shall be J.R. Clancy No. 016-430P.

Head Block:

The sheave shall be an iron casting with a 12 inch (305 mm) outer diameter and machined cable grooves. The sheave shall be equipped with a 1 inch (25 mm) diameter shaft and two tapered roller bearings.

Base angles shall be a minimum 2 inch x 1 1/2 inch x 1/4 inch (21 mm x 38 mm x 6.35 mm) angle with the short leg turned in. The turned in leg shall be notched to allow clear passage of all cables.

Side plates shall be a minimum of 10-gauge steel, and shall fully enclose the sheave. Side plates shall be bolted and welded to the base angles for extra strength.

The block and associated mounting hardware shall have a recommended working load of at least 2,500 lbs (1134 kg).

Head blocks shall be J. R. Clancy 1255 series, grooved for six or eight 1/4 inch (6.35 mm) lift lines as applicable.

Loft Block:

The sheave shall have an 8-1/2 inch (216 mm) outside diameter, and shall be an iron casting, with a machined groove. The sheave shall be equipped with a 17 mm diameter shaft and two sealed, precision ball bearings.

Base angles shall be a minimum 1 1/2 inch x 1 1/2 inch x 3/16 inch (38 mm x 38 mm x 4.8 mm) angle.

Side plates shall be a minimum of 12-gauge steel, and shall fully enclose the sheave. Side plates shall be bolted to the base angles.

The block and associated mounting hardware shall have a recommended working load of at least 700 lbs (318 kg), and shall be designed for use in either upright or underhung usage.

Loft blocks shall be J. R. Clancy 2CC-10855R, with a cast iron sheave grooved for one 1/4 inch (6.35 mm) lift line.

Counterweight Arbor: Provide a counterweight arbor and counterweight or a guided clew as required

** NOTE TO SPECIFIER** Specify length of batten required for project.

Battens: Battens shall be made of 2 inch (51 mm) I.D., schedule 40 black iron pipe. Fabrication shall be as for standard sets. J.R. Clancy No. 015 68R x__ feet long.

10.

Fire line System: The manual fire line release system shall consist of a 1/8 inch (3.2 mm) diameter wire rope, with #016-7519 fusible links, side mounting pulleys #013-176, and two #016-14L fire line release devices as required per governing code. A sign reading "FIRE CURTAIN RELEASE" shall be mounted 60 inches (1524 mm) above the stage floor on each side of the proscenium immediately adjacent to the fire line releases. All other components such as round weight arbors, arbor guards, floor pulleys, etc. required to form a fully functional fire line release system shall be provided.

11.

Smoke Pockets: Furnish and install one pair of smoke pockets to extend from the stage floor to a point above the elevation of the raised curtain. Pockets shall consist of an 8 inch deep "Z" channel formed from 1/4 inch (6.35 mm) steel plate and a 1/4 inch x 18 inch (6.35 mm x 457 mm) steel plate which shall be bolted to the channels on 24 inch (610 mm) centers. Welded construction will not be accepted. Channels shall be anchored to the walls on 48 inch centers. J.R. Clancy No. 016 1080 Smoke Pockets.

12.

Guide Cables: Provide 1/4 inch (6.35 mm) wire rope guide cables at each side of the curtain. These cables shall be attached to a ring at the stage floor level and extend to the roof steel or gridiron where they shall be attached with 3/8 inch x 6 inch (9.5 mm x 152 mm) turnbuckles, thimbles, cable clips and other fittings as required.

13.

Where required by code the smoke pockets shall be equipped with steel channel tracks in place of guide cables and roller guides in place of bronze guide spools.

14.

Metal Edge Channel: when required by code, or when roller guides are used, fire curtain vertical edges shall have u-shaped, 16 gauge steel reinforcement 6 inch (152 mm) deep.

Channels shall attach to the curtain using the curtain guide bolts.

Channels shall be supplied in 5 foot and 10 foot (1.5 m to 3 m) sections for field modification.

Channels shall be J. R. Clancy 016-EDGE series.

15.

Lift Cables: The curtain lift cables shall be 1/4 inch (6.35 mm) diameter 7 x 19 galvanized utility cable as specified. Cables shall be terminated with corresponding cable thimbles and two forged cable clips or a Nicopress fitting at each end. The curtain end of each cable shall be attached to the batten using a 3/8 inch x 6 inch (9.5 mm x 152 mm) turnbuckle and pipe clamp. Use J.R. Clancy No. 020-250, 1/4 inch (6.35 mm) diameter cables and fittings.

16.

Safety Chains: Supply one more safety chain than the number of lift cables. 1/4 inch (6.35 mm) proof coil chains shall be located between lift cables except at the ends where chains shall be 12 inch (305 mm) or less from the end of the batten. Chains shall be attached to the top of the curtain with pipe clamps around the top of the batten and chain shackles. The other end shall be appropriately attached to the building structure.

** NOTE TO SPECIFIER ** Fire curtains provide a barrier between the stage and auditorium, inhibiting the passage of heat, smoke, and fire to meet IBC, UBC, or NFPA 80 requirements. Brail fire curtains are used when the clear interior height in the stage house is insufficient for a straight lift fire curtain. Delete if not required for project.

Brail Curtain

General Description:

Furnish and install a motorized brail lift, automatically closing fire safety curtain as indicated on the drawings. The curtain shall fold up above the proscenium arch, and shall lap the masonry not less than 18 inch (457 mm) at each side of the proscenium opening and 24 inches (610 mm) at the top of the proscenium opening.

Brail Fire Curtain Hoist:

The cable drum shall be of welded steel construction and carry 75 feet (23 m) of 5/16 inch (7.9 mm) diameter 7 x 19 galvanized utility cable.

The unit shall be equipped with an adjustable hydraulic speed governor to provide maximum control and safety in the closing of the fire curtain and to establish the travel time.

Gearmotor:

The motor and gearbox shall be an integrated unit, with the first stage pinion mounted directly on the motor's armature shaft.

Motors shall be totally enclosed fan cooled (TEFC). The motor shall have a minimum AGMA service factor of 1.0 for constant operation.

Rotary Limit Switch:

Rotary limit switch assembly shall have four independently adjustable switch/cam sets as required. Cams shall be driven by a geared assembly.

Switches shall have snap acting contacts.

Switches shall be mounted within the winch base as to allow for easy adjustment of the switch settings.

Rotary limit switches shall be Ravasi or equal.

All components in the hoist shall be fully. All access panels for adjustment and maintenance shall be removable without removing the hoist from service.

Fixed Speed Starter:

Overcurrent protection shall be provided by an IEC Class 10 overload. Short circuit protection shall be provided by a circuit breaker.

Control Station: Controls consisting of up and down pushbuttons and an emergency stop switch are mounted on the motor starter.

The brail hoist shall be J.R. Clancy No. 016-430P.

Guided Clew: Cable clew shall be cut from 5/16 inch minimum steel, with the proper number of holes for proper attachment of turnbuckles for multiple cables. One larger hole for the drive cable shall be so located as to prevent the clew from jamming on its guide cables. Provide two parallel guide cables between the head block and the brail hoist to guide the clew. J. R. Clancy No. 015-27x8 guided cable clew.

Head Block:

The sheave shall have a 12 inch (305 mm) pitch diameter, and shall be an iron casting, with machined grooves. The sheave shall be equipped with a 1 inch (25 mm) diameter shaft and two tapered roller bearings.

Base angles shall be a minimum 2 inch x 1 1/2 inch x 1/4 inch (51 mm x 38 mm x 6.35 mm) angle.

Side plates shall be a minimum of 10-gauge steel, and shall fully enclose the sheave.

The block and associated mounting hardware shall have a recommended working load of at least 2500 lbs (1134 kg), and shall be designed for use in either upright or underhung usage.

Block shall be J. R. Clancy 3CC-81255R, grooved for 8 1/4 inch (6.35 mm) lift lines.

Loft Block:

The sheave shall have an 8-1/2 inch outside diameter, and shall be iron casting, with a machined groove. The sheave shall be equipped with a 17 mm diameter shaft and two sealed, precision ball bearings.

Base angles shall be a minimum 1 1/2 inch x 1 1/2 inch x 3/16 inch (38 mm x 38 mm x 4.8 mm) angle.

Side plates shall be a minimum of 12-gauge steel, and shall fully enclose the sheave.

The block and associated mounting hardware shall have a recommended working load of at least 700 lbs (318 kg), and shall be designed for use in either upright or underhung usage.

Loft blocks shall be J. R. Clancy 2CC-10855R grooved for one 1/4 inch (6.35 mm) lift line.

** NOTE TO SPECIFIER** Specify length of batten required for project.

Battens: Battens shall be made of 2 inch (51 mm) I.D., schedule 40 black iron pipe. Fabrication shall be as for standard sets. J.R. Clancy No. 015-68x__ feet long.

10.

Fire line System: The manual fire line release system shall consist of a 1/8 inch (3.2 mm) diameter wire rope, with #016-7519 fusible links, single side mounting pulleys #013-176, and two #016-14L fire line release devices as required per governing code. A sign reading "FIRE CURTAIN RELEASE" shall be mounted 60 inches (1524 mm) above the stage floor on each side of the proscenium immediately adjacent to the fire line releases. All other components such as round weight arbors, arbor guards, floor pulleys, etc. required to form a fully functional fire line release system shall be provided.

11.

Smoke Pockets: Furnish and install one pair of smoke pockets to extend from the stage floor to a point above the elevation of the raised curtain. Pockets shall consist of an 8 inch (203 mm) deep "Z" channel formed from 1/4 inch (6.35 mm) steel plate and a 1/4 inch x 18 inch (6.35 mm x 457 mm) steel plate which shall be bolted to the channels on 24 inch (610 mm) centers. Welded construction will not be accepted. Channels shall be anchored to the walls on 48 inch (1219 mm) centers. J.R. Clancy No. 016-1080 Smoke Pockets.

12.

13.

Lift Cables: The curtain lift cables shall be 1/4 inch (6.35 mm) diameter 7 x 19 galvanized utility cable as specified. Cables shall be terminated with corresponding cable thimbles and two forged cable clips or a Nicopress fitting at each end. The curtain end of each cable shall be attached to the batten using a 3/8 inch x 6 inch (9.5 mm x 152 mm) turnbuckle and half pipe clamp. Use J.R. Clancy No. 020-250, 1/4 inch (6.35 mm) diameter cable and fittings.

14.

Drive Cable: The drive cable between the brail winch and the clew shall be 5/16 inch (7.9 mm) diameter 7 x19 galvanized aircraft cable, attached to the clew using a thimble and two forged cable clips.

15.

Safety Chains: Supply one more safety chain than the number of lift cables. The 1/4 inch (6.35 mm) proof coil chains shall be located between lift cables except at the ends where chains shall be 12 inch (305 mm) or less from the end of the batten. Chains shall be attached to the top of the curtain with pipe clamps around the top of the batten and chain shackles. The other end shall be appropriately attached to the building structure.

PART 3

EXECUTION

3.1

EXAMINATION

Do not begin installation until substrates have been properly prepared.

If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.

3.2

INSTALLATION OF RIGGING PACKAGE

Equipment shall be installed by fully trained superintendents and workmen. Equipment shall be installed in a workman like manner, per plans and specifications. Equipment shall be aligned, adjusted, and trimmed for the most efficient operation, the greatest safety and for the best visual appearance.

Standards: Installation practices shall be in accordance with OSHA Safety and Health Standards and all local codes. All welding must be performed in full compliance with the latest edition of the Structural Welding Code (ANSI/AWS D1.1).

Alignment: Mule blocks, cable rollers and guides shall be installed, as required, to provide proper alignment, to maintain specified fleet angles, and to prevent contact with other surfaces.

Attachments: All equipment shall be securely attached to the building structure.

3.3

INSPECTION AND TESTING

Inspection: During the installation of equipment the Rigging Contractor shall arrange for access as necessary for inspection of equipment by the Owner's representatives.

System Pre-Testing By Rigging Contractor: On completion of installation and testing, the Rigging Contractor shall conduct a complete pre-test of the system to ensure it is working properly and in conformance with this specification.

Completion Testing: Upon completing the installation, the Contractor shall notify the Architect, who will schedule an inspection. At the time of inspection, the Rigging Contractor shall furnish sufficient workers to operate all equipment and to perform such adjustments and tests as may be required by the Owner's representative. Any equipment, which fails to meet with approval, shall be repaired or replaced with suitable equipment and the inspection shall be re scheduled under the same conditions as previously specified. At the time of these inspections, no other work shall be performed in the auditorium and stage areas. All temporary bracing, scaffolding, etc. shall be removed to permit full operation of, and access to, all equipment. Final approval will be withheld until all systems have been thoroughly tested and found to be in first class operating condition in every particular.

Demonstrate that all position encoders and normal and overtravel limit switches have been correctly set for the actual field conditions of the specific project.

3.4

INSTRUCTION

Upon completion of the work, the Rigging Contractor shall submit 3 copies of a comprehensive Operating and Maintenance Manual including as built shop drawings, equipment descriptions, and parts lists. The Rigging Contractor shall provide a safety and instruction class with personnel designated by the owner to demonstrate and explain the operation and maintenance of the systems. The instruction session shall be video taped, and a copy of the video tape provided to the Owner's representative.

Signage with basic operating instructions and warnings shall be posted in the area where the equipment will be operated. Signage shall be in conformance with ANSI-Z535.

3.5

FOLLOW-UP INSPECTION

One year after the completion of installation, the Rigging Contactor shall return to the site and provide the following services:

Perform a complete inspection of the rigging system in accordance with OSHA 29 CFR 1926.550 Cranes and derricks, 1926.550(a)(6).

Make all required adjustments.

Correct all warranty items and provide a written report to the Owner and Manufacturer.

Provide written recommendations to the Owner for necessary repairs or changes not included in the warranty. Provide a copy to the rigging equipment Manufacturer.

Conduct a 1 hour rigging operation and safety class.

Provide a written proposal for the next year's maintenance visit.

3.6

PROTECTION

Protect installed products until completion of project.

Touch-up, repair or replace damaged products before Substantial Completion.

END OF SECTION