Last edited by Faekazahn
Monday, May 18, 2020 | History

1 edition of Recommendation for one rope lock on counterweight systems. found in the catalog.

Recommendation for one rope lock on counterweight systems.

Recommendation for one rope lock on counterweight systems.

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Published by Association of British Theatre Technicians c[19--] in London .
Written in English


Edition Notes

SeriesABTT data sheet -- No 102 draft
ContributionsAssociation of British Theatre Technicians.
ID Numbers
Open LibraryOL20530055M

This file is licensed under the Creative Commons Attribution-Share Alike Unported license.: You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in Author: -LACameraman. Counter Weight Formula. W = Counterweight L = Load Capacity Of Hoist a = Arm Reach b = Backspan Distance (Distance between the fulcrum point and the center of the counterweights) York Scaffold Equipment Corp. 37–20 12th Street Long Island City, NY

You can think of the weight arbor being the clew in the counterweight system since all the lift lines are also connected to the top of it. With a single purchase rope set, you use an equal amount of weight to what is on the batten. With a double purchase rope set, you use twice the amount of . The Counterweight Base Jack Leveling Kit attaches to the concrete filled jib base that provides a portable anchorage for the Counterweight / Freestanding Single Anchor system. The kit includes four leveling legs that allow the base and jib above to be adjusted for uneven surfaces. $ 2, $ 1,

Roof top dead weight anchors provide a mobile and portable self-contained fall arrest anchorage system. We offer from three manufacturers, Ridgegear, Sala and LiftingSafety though all systems are a modular knock-down design. Moveable Counterweight Rigging Systems. Designed to make cantilevered operations more efficient and easier to perform. Increase control and safety Counterweight moves along beam to balance load Gear Box and Counterweight - Remote controlled - increases efficiency and reduces crane operator risk Single line, single pick point system.


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Recommendation for one rope lock on counterweight systems Download PDF EPUB FB2

Batten or the counterweight arbor become so heavy that the rope lock or snubbing system cannot hold it in position and the load and/or arbor moves uncontrollably. Shall: Indicates a mandatory requirement.

Should: Indicates a recommendation or that which is advised, but not Size: KB. J.R. Clancy Rope Locks - Cam operated devices that clamp the hand line that is attached to an arbor in order to prevent movement.

Designed to hold the unbalanced load in a set. One piece ASTM A ductile iron body with A fly system, or theatrical rigging system, is a system of rope lines, blocks (), counterweights and related devices within a theater that enables a stage crew to fly (hoist) quickly, quietly and safely components such as curtains, lights, scenery, stage effects and, sometimes, s are typically designed to fly components between clear view of the audience and out of view, into the.

JR Clancy Rope Locks including SureLock. Learn more about Wenger Corporation and the markets we serve. In a theater fly system, a rope lock is a device used to prevent a rope, and the line set it controls, from moving. A rope lock is controlled by a steel handle that engages the lock when vertical and releases it when horizontal.

The handle is typically red powder coated or covered by a red rubber grip. A steel, oval-shaped safety ring encircles both the rope and the handle to ensure that the. Our rope locks are designed to prevent runaways and operate quietly so your performance can proceed without distraction.

For features, specs, ordering information, white papers and more, click through to each product page below. SureLock® Virtually eliminate releasing of unbalanced line sets with Surelock® Rope Lock.

Learn More. Rope Locks. Counterweight Rope Replacement on the Murray Morgan Bridge HEAVY MOVABLE STRUCTURES, INC. 13th Biennial Movable Bridge Symposium Figure 3: Counterweight Support System Lastly, due to the age of the concrete piers, a bolster system was designed to provide additional strength at.

Safe & practical use of a Theatre Counterweight System. Introduction Counterweight Systems have been in theatres for moving scenery & technical equipment on stage for much of the last century and Check the rope lock is functioning properly and free from wear & Size: KB.

the building. In his book, Stage Rigging Handbook, Jay Glerum summarizes the importance of rigorous inspection when he reminds us that a counterweight lineset may fail if only one small compo-nent of the system fails (Glerum, ).

Upright Loft Blocks Upright Head Block Rope Lock Tension Block Counterweight Arbor Upright Head Block Upright Loft File Size: KB. PMI Pit Rope - 11mm Max Wear. PMI® Paragon Twist-Lock Carabiner. Rite in the Rain Loose Leaf Survey Paper.

SMC Figure 8 with Ears. SPAR Expedition And Small Party Rescue Techniques. Swaygo Cave Pack. NSS-JSS Bat Sticker. Howitzer Knee Pads.

ANSI E Entertainment Technology — Manual Counterweight Rigging Systems Rig/r1File Size: KB. 2 PRODUCT APPLICATION PURPOSE: The Roof Top Counterweight Anchor System is designed for use as an anchoring means for a personal fall arrest system (PFAS) for a person working on flat roofs or structures.

WARNING: Unless otherwise noted, Capital Safety equipment is designed for use with Capital Safety approved components and subsystems only. Substitution or replacement with non. Other articles where Iron-counterweight system is discussed: stagecraft: Flying systems: rope-set, or hemp, systems and counterweight systems.

The rope-set system normally has three or more ropes attached to a metal pipe, called a batten, above the stage. The ropes pass over loft blocks on the grid above the stage. Then, at the side of the stage house, they pass over. The Hermco Counterweight System utilizes a set of patented winding drums with counterweights on each side of the door, providing the best lifting and closing system on the market today.

After you compare, we know you will agree. Hermco Counterweight Systems are. lb Freestanding Counterweight Anchor. Non penetrating design does not attach to working surface, reducing the possibility of damage.

Built-in shock absorbing post provides added safety to user and structure. Fall arrest and restraint rated for one worker for jobsite versatility. Counterweight Jib Systems The Counterweighted Jib Systems are a portable solution for both indoor and outdoor uses.

These systems are engineered with a degree rotation jib and have the capacity to provide fall protection for one worker.

The Progrip 8 ft. x 3/8 in. XRT Rope Lock Tie Dow incorporates extreme rope technology and is simple and easy-to-use.

This patented device uses specially designed ribs to lock the rope inside the wheel hub and is easily tightened with one hand/5(3). Portable Counterweight Single Anchor.

This modular system is designed for easy With three adjustable height models and one fixed height version plus three mounting options, there is a configuration to fit virtually any bus, railcar, RV or tanker/truck fall protection need.

All systems are rated for one person use and provide ° mobility. Counterweight Rail Fall Arrest System (FAS) is designed to use a FlexiGuard™ or customer-specified counterweight to extend an anchor point over a work surface.

As a result, the system can be positioned close to equipment or structure without obstructing access. Replacing steel wire ropes and hauling lines on counterweight cradles & systems. Equipment required; 1 Working Rope 4 Spanners, nut spinners etc 2 Ratchet Straps 5 Gaffa, masking & LX tape 3 Chain or span sets with shackles 6 Felco cutters All staff to have full PPE inc Hard hats, boots, gloves & glasses.

(A rope lay is the length along the rope in which one strand makes a complete revolution around the rope.) (4) Development of broken wires in the vicinity of attachments. If this condition is localized in an operating rope and the section in question can be eliminated by making a new attachment, this may be done rather than replacing the entire.TourLock Golf is the most comprehensive resource for golf club counterweights.

Our TourLock Pro counterweights, OptiVibe internal shaft weights and new Enforcer stabilizing weights help golfers from casual hobbyists to professionals optimize their swings and refine their approach to the game of golf.rope lock is great for new and existing installations.

For more information on the rope lock, contact Tiffin Scenic Studios, Inc. or an authorized dealer. SPECIFICATIONS Rope locks for counterweight systems as specified shall be of automatic type positively preventing release when an out-of-balance condition exists, which is in excess of the.