Heavy Duty Grip Strut - Grip Strut Safety Grating

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Other Cooper B-Line Product LinesStrut Systems (Bolted Framing)Cable Tray SystemsElectrical EnclosuresElectronic EnclosuresPipe Hanger & Support SystemsSpring Steel FastenersCable Runway & Relay Racks (CommData)Meter Mounting & Distribution EquipmentAnchorsGSWPST-09Marketing ServicesManufacturingCooper B-Line509 West Monroe StreetHighland, IL 62249Phone: 800-851-9341Fax: 618-357-3605Cooper B-Line3764 Longspur RoadPinckneyville, IL 62274Phone: 618-357-5353Fax: 618-357-3605B - V O C AALLwith Cooper B-Line”Questions, Comments, Suggestions?SSMMVoice Of the Customer.Actively Listeningbvocal@cooperindustries.com618-654-2184 ext. 456SYSTEMS THAT MAKE SENSECooper Industries, Ltd.600 Travis, Ste. 5800Houston, TX 77002-1001Phone: 713-209-8400www.cooperindustries.com 2009 Cooper B-Line, Inc.Printed in U.S.A.Long Span Walkways, Planks & Stair TreadsGSWPST-09www.cooperbline.com““Heavy Duty Grip Strut 7.51208

Table of ContentsAdvantages.General Load Information.Multi-Plank Width Comparison Chart34-6.7Design Load Tables2-Diamond Planks - 91/4” Width (Steel & Aluminum).3-Diamond Planks - 133/4” Width (Steel & Aluminum)8-9.10 - 115-Diamond Planks - 231/4” Width (Steel).12 - 136-Diamond Planks - 273/4” Width (Steel).14 - 158-Diamond Planks - 36” Width (Steel).16 - 17.18 - 19Walkways5-Diamond - 24” Width (Steel).18 - 19.18 - 19.20 - 216-Diamond - 30” Width (Steel & Aluminum)8-Diamond - 36” Width (Steel)Stair TreadsSpecial/Fabricated Products.22.22H-SeriesHeavy-Duty Grip Strut Gratings for Greater Loads, Safer Walking High strength-to-weight ratio — efficient structuraldesign means large-load capacity with low deadweight Slip resisting surface — scores of tiny teeth gripshoes tightly (exceeds Federal SpecificationRR-G-1602A slip-resistance requirements) Open design — sheds slip-causing stones, dirtand debris Slip-resisting serrated or less harsh non-serratedwearing surfaces tailor long life to diverse serviceconditions — sheds slip-causing stones, dirt anddebris Complete line of products, design data, supportservices Handrail brackets available for maximum safetyand meeting OSHA requirements Splice plates speed assembly without welding Integral, OSHA compliant toeboards. Canadiancompliant OH&S designs available in some sizes.AccessoriesHold-Down Clip.22.23Walkway Splice PlatesHandrail BracketsSpecificationsHow To Order.24 - 25.Heavy Duty Grip Strut WalkwayCooper B-Line is thewalkway specialist26Heavy Duty Grip Strut Pattern- No Teeth -Heavy Duty Grip Strut Pattern- Standard With Teeth -Heavy Duty Grip Strut Walkway-Reduced Opening -The best labor savingalternative to bar gratingSafety, self cleaning and selfdraining all-in-oneLimits items from falling throughopenings for safety below227

How To OrderAdvantagesHeavy-Duty Grip Strut Safety Grating planks, walkways and stair treads are stocked at local Grip Strut Safety Grating distributors in allmajor market areas. For the finest in Safety Grating and Stair Treads, contact Cooper B-Line or look for your local Grip Strut distributoron the internet at www.cooperbline.com. You will get skilled consulting service on your specific requirements.All standard products are coded with a catalog number which should be used in ordering. For identification and ordering information onspecial products, consult your Grip Strut Safety Grating distributor or Cooper B-Line.Catalog number codePlank and walkway catalog numbersdenote product configuration as follows:Steel —Standard material is mill-galvanized per ASTM A525. For plain, unpainted steel, “B” follows the five-digit catalog numbercoded below.SteelGrating: H - Heavy-DutyHT - Heavy-Duty Stair TreadSide channel height (decimal inches x 10; 21/2 inch - 25)H - 3 25 10 - WProduct; -W Walkway; (blank) Plank, Stair TreadMetal thickness (gauge size, ASG)Width ( number of diamonds)Examples: Catalog Number H-82010 denotes a mill-galvanized, 10 gauge steel plank of 8-diamond (36”) width and 2” high side channels;Catalog Number H-65009-WB denotes a plain, unpainted, 9 gauge steel walkway of 6-diamond (30”) width and 5” high side channels.Aluminum (Special Order) —Standard material is 5052-H32 alloy/temper, mill finish. Catalog number is identical in coding to the catalog number for steel, asdescribed above, but followed by “A” to denote aluminum; also, aluminum thickness is given in inch-thickness.AluminumGrating: H - Heavy-DutyHT - Heavy-Duty Stair TreadEvery year, falls cost industry millions of dollars in lost time/production. The safer walking-working surfaces of Heavy-DutyGrip Strut Grating products reduce accidents, and in doing so,frequently cut insurance costs. The secret is in the serratedsurface and open design. The open diamond pattern allowsfluids, mud, chips, ice and snow to fall through. The serratedsurface provides high friction for maximum slip protection inall directions, and under practically all conditions. The resilienceof Grip Strut Grating cushions the impact of walking, lesseningworker fatigue and increasing efficiency.Heavy-Duty Grip Strut Safety Grating products offer theadvantage of regular Grip Strut Safety Grating (detailed inCatalog GSSGST-09), but are designed for applications ofgreater load and/or longer span. Basic design is the same, butdiamond openings are larger and metal is thicker. Heavy-DutyGrating products are available in many of the sameconfigurations, materials and finishes as regular Grip StrutSafety Grating. Heavy-Duty Grip Strut Grating products include:planks, walkways and stair treads; for specification see page 24.For specifications and information on regular Grip Strut SafetyGratings, see Grip Strut Safety Gratings & Stair Treads catalogGSSGST-09, available from your distributor or Cooper B-Line.combined with numerous special-order items to meet almostany application requirement. Special sizes and fabricatingservices are available for unusual requirements. Heavy-DutyGrip Strut Grating products may be painted, hot-dip galvanizedafter fabrication, anodized, plated, plastic-coated or speciallyfinished in other ways to fit service requirements. Finishcoatings are economically applied since all surfaces areaccessible to brush or spray.Compliance with regulatory codes / standardsWherever maximum safety underfoot is critical, Grip StrutGrating is ideal, offering slip resistance exceeding FederalSpecification RR-G-1602A requirements. Heavy-Duty Grip StrutWalkways meet OSHA toeboard requirements for elevatedstructures with standard upturned, 5 inch high integral sidechannels.Low life-cycle costMaterial cost is low, erection cost nominal. Long-lasting,corrosion-resisting finishes provide long service life to all GripStrut Gratings: steel or aluminum. Brawny but lightweight,these planks, walkways and stair treads permit substantialreduction in supporting structural materials.Self-cleaning open design is virtually maintenance-free.High load capacity, long lifeHigh strength-to-weight performance is achieved throughsection depth and integral side-channel design. Bridged strutsform a rigid, strong plank surface that carries large loads withminimum deflection. There are no rivets, fabricated joints orpressure joints to loosen or break.Fast, simple InstallationGrip Strut Grating is light and simply installed. Often, regularmaintenance personnel can do the job. Sections are easilyfield-cut, at virtually any angle, and field-adapted; connectionsare rapidly made with bolts, clamps or welding. Disassembly,when needed, can be just as rapid.Safety at all levelsHeavy-Duty Grip Strut Grating’s serrated surfaces grip solessecurely in all directions. These non-slip sheared edges areideal for both indoor and outdoor locations — wherever mud,ice, snow, oil and detergents can create hazardous walkingconditions.Tested performanceStatistics show falls as the second highest cause of lost-timeinjuries in industry. Yet tests prove that falls can be reduced bythe safe surface of Heavy-Duty Grip Strut Safety Grating,Planks, Walkways and Stair Treads. And fewer accidents meanlower workmen’s compensation insurance costs, to save thecost of Grip Strut Grating many times over. Independentlaboratory tests prove that Heavy-Duty Grip Strut Gratingexceeds Federal Specification RR-G-1602A requirements forslip resistance. Five shoe soles were tested, in longitudinal,transverse and diagonal directions; under five conditions: dry,greasy, muddy, soapy and icy. Heavy-Duty Grip Strut SafetyGrating tested 32 to 230% more slip-resistant than othergratings (depending upon the condition).Minimal maintenanceOpenings allow fluids, chips, stones and mud to quickly dropthrough. Ice easily shears off under normal foot pressure. Opendesign is easily cleaned with a brush, liquid or air spray.Application versatilityA variety of standard plank widths and channel heights can beSide channel height (decimal inches x 10; 2 inch - 20)1501401301201101009080706050Material; A AluminumMetal thickness (gauge size, ASG) Product; -W Walkway; (blank) Plank, Stair TreadProduct; -W Walkway; (blank) Plank, Stair TreadWidth ( number of diamonds)Example: Catalog Number H-230-125A denotes a 5052 alloy, mill finish, aluminum plank of 0.125 inch material thickness,2-diamond (91/4”) width and 3” high side channels.ABDryStair Tread catalog numbers —Use the above coding preceded by “HT” to denote stair tread.Example: Catalog Number HT-22010-B denotes a stair tread of plain, unpainted, 10 gauge steel, 2-diamond (91/4”) width and2” high deep side channels.26ABMudABIceABGreaseABPounds of ForceH - 2 20 W - 125 AAFederal Specificationfor SteelB10 GaugeSteel Heavy-DutyGrip Strut GratingSoap(1) Value of force required to move 1 175 lb. load a distance of one inch across the grating surface of two Heavy-Duty Grip Strut serrated stylegratings(B & C) compared with the respective Federal Specification RR-G-1602A standard (A). Letter coding is as follows:*A — standard established for steel grating with each type of condition, by Federal Specification RR-G-1602A.*B — average of tests on Heavy-Duty Grip Strut Gratings of 10 gauge steel.Values were determined by test made in longitudinal, transverse and diagonal directions on each grating with five sole materials: leather, boot rubber,shoe rubber, Neolite and Hypaton3

General Load InformationSpecificationsHeavy-Duty Grip StrutWalkways, Planks and Stair TreadsGeneral Load Informationgrating width cause concentrated loads to be distributedsomewhat differently into siderails.Heavy-Duty Grip Strut Grating Walkways and Planks areavailable in three thicknesses of steel, one of aluminum:walkways have one standard siderail height, planks have four.In each category, walkways come in three widths, planks in five.Begin sizing, for maximum economy, with widest practicalgrating for the job (shallowest siderails and thinnest gauge); ifthis does not meet required load capacity, first consider deepersiderails, then heavier gauge, and finally narrower grating width,if necessary.Siderail strength usually controls, but with shorter spans,deeper siderails, and/or wider grating surfaces, flexuralstrength of individual struts may control. In sizingwalkways/planks with strength as a design criterion, be sureto check Heavy-Duty Grip Strut Grating for both: (1) strengthof walkways/plank siderails, (2) strength of individual struts ingrating surface. With deflection as a design criterion, loadsmay be limited by either: strength of individual surface struts,or total deflection of one siderail at midspan plus a surfacestrut at midwidth of walkway/plank (sum of siderail deflectionplus strut deflection).Flexural load tables have been calculated according to designload limiting criteria, and if not illustrated in this catalog theycan be obtained from Cooper B-Line technical services.All load tables show maximum loads, based upon actual loadtests performed at the Pinckneyville (IL) plant, and determinedin accordance with AISI “Specification for the Design of ColdFormed Steel Structural Members”, 1980 Edition, usingminimum yield strength of 33 ksi for steel, 23 ksi for aluminum.Loads are designated:“Strut Load Tables” show flexural strength and deflection ofindividual grating surface struts relative to siderails. Sincethese are maximum values in the elastic range, lesserloads/deflections can be proportioned from them.Design load assumptions differ according to load type: (1)uniform, (2) concentrated (see Figures 1, 2 and 3 below forexplanation of load application). Concentrated load capacitiesgenerally vary with span, siderail height and material thickness,irrespective of grating width, although large differences in2.3 AccessoriesHeavy-Duty Grip Strut Hold-Down Clip, stainless steel, Catalog Number H-BC-10. (Use with 3/8” square-shank carriage bolts, nuts,and washers obtained locally).Handrail Bracket - hardware to attach bracket to walkway is supplied. Optional hot dipped galvanized after fabrication isavailable per request.Heavy-Duty Grip Strut Splice plate (P-H-Sp-U), 30”, 9 gauge mill-galvanized steel splice plate with bolts, hex nuts, and washers.Part 3: Execution3.1 Bearing surfacesPrior to grating installation, inspect supports for correct size, layout and alignment, and verify that bearing surfaces are smooth andfree of debris. Report in writing to the engineer or owner’s agent and defects so they can be corrected before grating is installed.in./ft.2(U) for uniform,(C) for concentrated, in./lb.(D) for corresponding deflections, in inchesLoad - CLoad -U2.2 Stair Treadsa. Type: Heavy-Duty Grip Strut Stair Tread, Standard Nosing.b. Metal: (carbon steel) (5052 H-32 aluminum alloy).c. Finish: mill-galvanized before fabrication, ASTM A525) plain, unpainted, and oiled (HRP&O); mill finish (aluminum).d. Metal thickness: 10-ga. (ASG, steel); .125” (aluminum).e. Section width: 91/2”.f. Side channel height: 2”.g. Standard lengths: (2”, 21/2”, 36”, 4” (nominal and actual), 1/8”h. Opening diamond: “H” Series, 37/8” x 11/4” wide (grating surface-projected dimensions).i. Open area: 52%.j. Reticulated pattern: 15/16” high, minimum of 500 teeth per square foot.k. Slip resistance: Complies with Federal Specification RR-G-1602A standards.3.2 Grating installationInstall grating in accordance with manufacturer’s recommendations and shop drawings. Position grating sections flat and squarewith ends bearing min. 11/2” on supporting structure; for sections over 12’-0” long, and when Heavy-Duty Grip Strut Hold-DownClips are used, 3” minimum bearing surface is required. Bearing surface must be smooth, level, free of burrs, bridging, welds andother irregularities. Space grating sections a minimum 1/4” from vertical steel sections, and 1/2” from concrete walls. Allowmaximum clearance between sections at joints of 1/4” at side channels, 3/8” at ends.Band random-cut ends and diagonal or circular cut exposed edges with a bar of grating thickness (min. 1/8”) and width equal tooverall depth, welded at contact points of the designer’s discretion.Load - Cs3.3 Grating attachmentAttach grating to supports without warp or deflection as follows:DFigure 1Uniform Load (U)applications to all walkways/planks:Maximum load (lb./ft.2) permitted byflexural stress in siderail or grating strut,whichever is lower, applied to entiregrating area (full-width by clear-span)between supports.Deflection (D) in all walkways/planks:Deflection (in.) corresponding tomaximum load (U) or (C) permitted byflexural stress in siderail or grating strut,whichever is lower, applied as defined inFigures 1 or 2, and 3.DDFigure 2Concentrated Load (C)applications to all walkways/planks:Maximum load (lb.) permitted by flexuralstress in siderail or grating strut,whichever is lower, applied transverselyto total width of grating at midspan andassumed to be carried equally by bothsiderails.Deflection (D) in all walkways/planks:Deflection (in.) corresponding tomaximum load (U) or (C) permitted byflexural stress in siderail or grating strut,whichever is lower, applied as defined inFigures 1 or 2, and 3.4Figure 3Concentrated Load (Cs)applications to grating surface struts ofall walkways/planks:Maximum load (lb./ft.) permitted byflexural stress in grating strut, appliedlongitudinally to a 1 foot length of gratingat midwidth.Deflection (Ds) in all walkways/planksDeflection (in.) corresponding tomaximum concentrated strut load (Cs)permitted by flexural stress in gratingstrut, applied longitudinally to a 1 footlength of grating at midwidth.a. Single plank application: Secure plank ends to supporting members at every point of contact. At each end, use Heavy-Duty GripStrut Hold-Down Clips with 3/8” square shank carriage bolts and nuts, or secure each side channel to support by 1/8” x 1” longfillet welds.b. Multiple plank application: Secure perimeter plank to supporting members with 1/8” x 1” long fillet welds at every point ofcontact, intermediate grating sections with at least one attachment each end on alternate sides. When span exceeds 6’-0”,attach side channels of adjacent planks together at mid-point of span for added rigidity. To joint adjacent planks together, weldthem at 24” O.C. staggered top and bottom.3.4 Stair Tread InstallationFasten Grip Strut Stair Treads shown on the drawings, or as herein specified, to stair stringers with 3/8” x 1” machine boltsand nuts.25

SpecificationsGeneral Load InformationNotes to architect1. These specifications are presented as a general guide to the architect or structural engineer in preparing project specifications.Allowable loads, spans, and other limiting conditions presented in this catalog are product data for use in design and construction.These products must not be used without prior structural design by a qualified engineer or architect.Heavy-Duty GripStrut Walkways — The Safety Of OSHA-Required Toeboards, Built-InAvailability of Heavy-Duty Grip Strut Walkways*2. Grip Strut Safety Gratings are intended for general purpose use in plants and process facilities by industry, commerce, and publicutilities.Grip Strut Safety Grating Stair Treads are intended for utility stairs and fire escapes in commercial, industrial buildings where local codepermits. They are not intended for staircases and other areas used regularly by the general public where flat closed surfaces aredesired.3. All supports should 11/2” minimum bearing surface free of burrs, bridging, welds and other irregularities. (Note: When usingButterfly Anchor Clips “H-BC-10” it is advisable to provide a minimum of 3” for bearing per support per grating).Walkway WidthMaterialSteelThickness36”30”24”11 ga.PPP9 ga.PPP.125”--4. Random-, diagonal- or circular-cut exposed edges should be reinforced with a bar of grating thickness (minimum 1/8”) and widthequal to overall grating depth, welded at contact points of the designer’s discretion.Aluminum5. Bolted connections, except stair or ladder tread attachment to stringers, may be replaced by welded connections of equal or greaterstrength.* Standard toeboard depth of 5”.Part 1: General1.1 ScopeThe contractor shall furnish and install Grip Strut Grating and Stair Treads, as specified, in all areas where shown on the drawings.1.2 QualificationsAll Grip Strut Grating, Stair Tread and accessories, unless otherwise indicated, shall be manufactured by Cooper B-Line, and shallbe installed in accordance with its current recommendations.1.3 SubmittalsThe contractor shall furnish shop drawings of grating layout, framing and supports, un

of Grip Strut Grating cushions the impact of walking, lessening worker fatigue and increasing efficiency. Heavy-Duty Grip Strut Safety Grating products offer the advantage of regular Grip Strut Safety Grating (detailed in Catalog GSSGST-09), but are designed for applications of great

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