COHESION ENGINEERING
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  • The New Entertainment Standard, BS EN 17206:2020
  • 學校舞台方案
  • Solution for school
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Solution for school

Why? Danger

Most schools use the hall for the purpose of assembly, performances and physical education lessons. It is often the main activity space for the whole school. Because of its usage and importance, the safe practice of installing equipment in the hall should always be considered.
The problem of ageing lifting appliances and lifting gear (LA/LG) is a concern. Some installations like the fly system and light bar lifting system often have a rusty or damaged wire rope. The condition of such installations must be inspected as they have the potential to fall down.

Unwanted condition of wire rope

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crimped or bird caged
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kinked wire
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rope break due to excessive strain
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rusted
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rope failing from fatigue after bending over small sheaves
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broken
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kinked wire
In addition to that, most of the stage equipment in a school hall is not suitable for all the diverse learning activities required in different areas due to the school’s out-dated design, especially those built many years ago.
Drama classes and school performances make up a large part of school activities. Drapery and scenery/the light bar is frequently lifted so its operational smoothness and good condition is extremely important.

How? Replace and maintenance

Cohesion Engineering has a total solution for schools, especially the school was built after 2000year(Millennium School)
  • To replace wire ropes
  • To replace pulley components
  • To replace winches
  • To reconstruct the light bar with new layout
  • To issue a safety certificate with recognized S.W.L for all lifting gear from a registered engineer (R.P.E)
  • Preventive maintenance


  1.  A site survey is free to provide upon inquiry. Our team will highlight the condition of the existing lifting gears and the fly systems by check up At-A-Glance. After that, we will explain the risk to the school and will discuss the possibility of upgrading.
  2. The team will adapt a load cell into the counterweight system to measure the fly load before construction to ensure the new system come with enough S.W.L.
  3. In stage of closing of the project, a full set of documents including Form 4 & Form 5 certificates will be submitted to the school for user acceptance.
  4. Preventive maintenance will be conducted every 6 months in the first 2 years(a total of 3 times) after the Form 4 has been issued. After that, the renewal is optional.

 (LALG-F4)  CERTIFICATE OF TEST AND THOROUGH EXAMINATION OF LIFTING APPLIANCES ( EXCEPT CRANES, CRABS AND WINCH )
hksta.org/wp-content/uploads/2015/06/LALG-F4.pdf
​

 (LALG-F5) CERTIFICATE OF RESULTS OF THOROUGH EXAMINATIONS IN THE PRECEDING TWELVE MONTHS
hksta.org/wp-content/uploads/2015/06/LALG-F5.pdf
​

More? Be more like a theatre

As indicated above, playing drama and kinds of performance are must to have activities in many schools. Due to old design, drapery includes main curtain may not moving smoothly, especially the winch and the track. They make noise when operate thus always being abandoned for artistic concern. 
Cohesion now presents schools a NON noise type winch,
Supplied by  Steeldeck Hall Stage,    Hoist UK,    Metalhood,    Fuji Mfg Co. ​Ltd​,   Gebuwin​ ​
Designed for theatre use it gives an excellent quiet performance when operating in shows and during scene change. 
Contact us

    Require a site survey for free

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  • Home
  • The New Entertainment Standard, BS EN 17206:2020
  • 學校舞台方案
  • Solution for school
  • Project Gallery
  • Product
    • Pile Wind Winch and Chain Hoist
    • Controller
    • Lifting Gear
    • Load Arrest
    • Truss
    • Load Cell
  • Project video
  • Contact us
  • Link Page