Page 107 - Sec 97
P. 107
หมวดที่ อุปกรณสำหรับชวยกันตกจากการทำงานที่สูง
97 HIGH SYSTEM LIFELINE
ตัวอยางในการออกแบบผลิตภัณฑ | THE LAUNCH RANGE
Two styles of Cover are available:
KEE COVER has been tested to the Class B criteria and loadings required in the ACR Red Book Test for Non-Fragility of Roof Assemblies.
The test involves a 45Kg (100lbs) weight free falling from a distance of 1.2m (4’) to reach a maximum velocity. Class B rated products
ensure the drop mass is retained but there is permitted some damage to the roof light
An additional 1200 joule test has been carried out to BS EN 1873. This requires a 50Kg (110lbs) mass to be dropped from 2.4m (7.9’)
and be retained by the KEE COVER whilst ensuring there are no gaps larger than 300mm within the mesh.
KEE COVER SYSTEM OVERVIEW
ROOF CLADDING PROTECTION TECHNICAL BULLETINPolycarbonate Rooflights – Are they fragile? Industry interest groups would never recommend that
The Kee Cover® range uses 70-5 or 62-5 cast fittings to connect Generally speaking polycarbonate rooflights are deemed to be non-fragility of any rooflight should be guaranteed in the long
the Kee Cover to the metal sheet roof. These fittings are either non-fragile for the “construction phase” of a project. Once the term, due to lack of control over the various factors other than
fixed or clamped to the crowns of the roof using either Tek project is handed over they are deemed as fragile due to the strength of the rooflight that may affect non-fragility, but this
screws or, in the case of standing seam roofs KCFP1 clamps following:- is particularly true with polycarbonate where strength of the
are used. To maintain water integrity a sealing strip between the Non-fragility is dependent not only on the strength/durability of rooflight itself can be compromised if not treated correctly.
cast fitting and metal sheet roof is used. the rooflight material itself, but on all aspects of installation of
OFFICIAL DOCUMENTATION an assembly. This may be compromised even if there is no loss
Work at Height Regulations of strength of the rooflight material. This is particularly true for
in-plane rooflights.
HSG 33 Health & Safety in Roof work Whilst polycarbonate is an extremely strong and very durable
ACR Red Book Test For Non-Fragility of Roof Assemblies material, there are some things that can cause dramatic and
Workplace (Health, Safety and Welfare) Regulations very premature failure – for example, plasticisers attack
AESTHETICS polycarbonate, so contact with plastisol coated steel or, worse,
The smooth lines of the standard galvanised finish can be PVC tape (which contains much higher levels of plasticisers) will
further enhanced by the application of powder coating to cause premature failure; permanent stresses in the material,
EN 13438. certain chemicals, trapped water which can heat up can also all
USA-AAMA 2603-2605. accelerate degradation.
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บริษัท ปยะมณี กรุป จำกัด BESTSAFE อุปกรณสำหรับชวยกัน SECTION 97
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PIYAMANEE GROUP CO.,LTD BEST SAFE (THAILAND) CO.,LTD
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