Transcription
GratingStandards&Compliance
For over 35 years Lionweld Kennedy have operated in theOil and Gas industry. We supply fabricated gratings, stair treads, barrier railsystems, platforms and support structures in both steeland GRP. Many of our products are specified at design stage and wepride ourselves in supplying quality products globally. Our product range has developed over the years with ourtechnical department having made significantimprovements to the slip resistance of our gratings,structural integrity and additional health & safetyqualities, which comply to current British and Europeanstandards (both steel and GRP).
Requirements of the British StandardGratings – “Compliance”BS4592-0:2006 A1:2012The maximum openings within a working platform or walkway shall not permit the passageof a 35mm diameter sphere, except where the working platform or walkway is above aplace where people are working, as opposed to passing occasionally, then the maximumopenings shall not permit the passage of a 20mm diameter sphere.Where metal treads or landings are used for fire escapes, the gratings shall not allowpassage of a 20mm diameter ball.Mandatory Legal RequirementBS EN ISO 14122-2:2016, states at 4.2.4.5 - Permanent means of access to machinery“- Floorings of working platforms or walkways shall only have such maximum openings that aball with a diameter of 35mm cannot fall through.Floorings above a place where people are working, as opposed to occasional passage, shallhave such maximum openings that a ball with a diameter of 20mm cannot fall through.
The most commonly used grating size is 41/100 What has changed ?41/100 is now non compliant “in many areas”The “OLD” 2006 standard met a 40mm Ball Proof Specification
OLD Market35mm BP 20mm BPNon BP41/100Not 35mm or20mm Ball Proof33/100Over Compliant30/100Unnecessaryamount of steelin the product20/100Over compliant
Key Design Criteria Since 201235mm Ball Proof20mm Ball ProofUtility Grating(no ball proof Requirements)General Walkways wherepeople may occasionallywalkWhere people may workbelow the walkway or wherestairs are used as means ofescapeUtility Gratings where there isno risk of people passing belowthe walkway and is not used as‘Access to Machinery’BarthicknessMesh SizeBarthicknessMesh SizeBarthicknessMesh mm47/125
NEW Market35mm BP 20mm BP Utility GratingLK35BPLK20BPLKUG
Thank you
If YOU specify, distribute, purchase, fabricateor install steel gratings,YOU have a responsibility to provide compliant productsto the latest specification.20Lionweld Kennedy 20mm Ball Proof GratingSpecification to: BS4592-0:2006 A1:2012To be used where the working platform or walkway isabove a place where people are working(as opposed to people passing under it occasionally).The maximum openings shall not permit the passageof a 20mm diameter sphere.Typically used on walkways above machinery andpermanent working areas, where the risk to personnel35from large objects, falling from above, is critical.Lionweld Kennedy 35mm Ball Proof GratingSpecification to: BS4592-0:2006 A1:2012To be used where the working platform or walkway isabove a place where people pass through occasionally,the maximum openings shall not permit the passageof a 35mm diameter sphere.Typically used on maintenance access, industrialplants, un-manned substation modules, data centres,where site access is limited and occasional.ULionweld Kennedy Utility GratingSpecification to: BS4592-0:2006 A1:2012To be used where there is no risk of personnel passingbelow the working platform or walkway.Typically used on ground level shallow trenches, abovewater channels in treatment works or placed on solidfloors to elevate walking areas from contaminants.Contact theTechnical team on01642 233297Lionweld Kennedy Flooring Limited. Marsh Road, Middlesbrough, TS1 5JS.Reception 44 (0) 1642 245151Sales 44 (0) 1642 233299Technical TeamEmail 44 (0) 1642 233297 technical@lk-uk.comEmailsales@lk-uk.comFollow us@LionweldKennedywww.lk-uk.com
3MM LK20BP (MESH SIZE 21/100)5MM LK20BP (MESH SIZE - 23/100)Bearing BarLoadingMax ClearDeflectionMax Clear Span DeflectionSelf Colour Weights Binding BarBearing BarLoadingMax ClearDeflectionMax Clear SpanDeflection Self Colour Weights Binding BarDimensionsCategorySpan 4mm(mm)L/200 or 10mm (mm)Per Square MetreWeight BasedDimensionsCategorySpan 4mm(mm)L/200 or 10mm(mm)Max Deflection(kgs)on 2x1m (kgs)(mm)(mm)25 x 330 x 335 x 340 x 1.1825 x 36.031.4130 x 541.561.6535 x 547.091.8840 x 545 x 550 x 560 x 53MM LK35BP (MESH SIZE - 37/125)Max /m224603.9830959.987.5kn/m222553.9828359.95Per Square MetreWeight Based(kgs)on 2x1m 87.213.93104.094.715MM LK35BP (MESH SIZE - 38/125)Bearing BarLoadingMax ClearDeflectionMax Clear SpanDeflection Self Colour WeightsBinding BarBearing Bar LoadingMax ClearDeflectionMax Clear Span Deflection Self Colour WeightsBinding BarDimensionsCategorySpan 4mm(mm)L/200 or 10mm(mm)Per Square MetreWeight BasedDimensionsSpan 4mm(mm)L/200 or 10mmPer Square MetreWeight Based(kgs)on 2x1m (kgs)(mm)(kgs)on 2x1m 55.243.9365.844.71(mm)25 x 330 x 335 x 340 x 3DeflectionMax 5 x 522.031.4130 x 525.3328.631.651.8835 x 540 x 545 x 550 x 560 x 53MM UTILITY GRATING (MESH SIZE - 47/125)CategoryDeflection(mm)Max 7909.987.5kn/m220203.9625459.9825MM UTILITY GRATING (MESH SIZE - 47/125)Bearing BarLoadingMax ClearDeflectionMax Clear SpanDeflection Self Colour WeightsBinding BarBearing Bar LoadingMax ClearDeflectionMax Clear Span Deflection Self Colour WeightsBinding BarDimensionsCategorySpan 4mm(mm)L/200 or 10mm(mm)Per Square MetreWeight BasedDimensions CategorySpan 4mm(mm)L/200 or 10mmPer Square MetreWeight Based(kgs)on 2x1m (kgs)(mm)Deflection(kgs)on 2x1m 45.433.9354.064.71(mm)25 x 330 x 335 x 340 x 3DeflectionMax 053.9814955.467.5kn/m212453.9814407.1215.201.1825 x 517.791.4130 x 520.381.6535 x 522.971.8840 x 545 x 550 x 560 x 5(mm)Max 609.987.5kn/m219253.9824209.95Notes1. Deflection in the table above is limited to span/200 or 10mm, whichever is the lesser.2. It should be noted that the difference in level between a loaded and a neighbouring unloaded flooring shall notexceed 4mm. LK panel joint clips can be used to negate this issue. The tables have both options listed.3. The tables are based upon BS4592-0:2006 A1:2012 & BS5950-1:2000Table 2 Which is a 5kn/m2 or 7.5kn/m2 UDL OR a 1.5kn point load over a 200mmx200mm contact area,whichever is the more onerous.4. The tables take into consideration MINIMUM bearing bar rolling tolerances as defined by LKFS-STD-985. Material is BS EN 10025 Grade S275JR2PANEL JOINING CLIPS ARE REQUIRED IF L/200OR 10MM DEFLECTION IS USEDLionweld Kennedy Flooring Limited. Marsh Road, Middlesbrough, TS1 5JS.Reception 44 (0) 1642 245151Sales 44 (0) 1642 233299Technical TeamEmail 44 (0) 1642 233297 technical@lk-uk.comEmailsales@lk-uk.comFollow us@LionweldKennedywww.lk-uk.com
Lionweld Kennedy 20mm Ball Proof Grating Specification to: BS4592-0:2006 A1:2012 Lionweld Kennedy 35mm Ball Proof Grating Specification to: BS4592-0:2006 A1:2012 Lionweld Kennedy Utility Grating Specification to: BS4592-0:2006 A1:2012 35 20 U If YOU specify, distribute, purchase, fabricate or install steel gratings,
