Mezzanine Sections - Find The Needle

making steelwork

INDUSTRIES

Mezzanine Sections

TECHNOLOGY

SureBUILDTECHNOLOGY

SureBUILDTECHNOLOGY

TECHNOLOGY

TECHNOLOGY

2BW Mezzanine TEL 01262 400088 • EMAIL [email protected] • WEB www.bw-industries.co.ukTEL 01262 400088 • EMAIL [email protected] • WEB www.bw-industries.co.uk

Fire Restraint Wall System Contents

Introduction .......................................................................................... 3

Certification ....................................................................................... 5

Mezzanine Sections .................................................................. 6

Section Properties ...................................................................... 7

Mezzanine Overview ................................................................. 8

Secondary Beam Configuration .................................... 9

Inset (Web) Cleats ................................................................... 10

Oversail (Flange) Cleats ..................................................... 11

Technofast Fixings .................................................................. 12

Restraint Details ........................................................................ 13

Detail Sheet - Mezzanine Sections 1 ................... 14

Detail Sheet - Mezzanine Sections 2 ................... 15

About TECHNOLOGY

SureBUILDTECHNOLOGY

SureBUILDTECHNOLOGY

TECHNOLOGY

TECHNOLOGY

technologyThe material is steel, the technology is Surebuild. Lightweight, load bearing framework for all applications – industrial, commercial, modular and domestic. The Surebuild name reflects the ongoing product development, independent testing and analysis, manufacturing speed and accuracy, and overall cost effectiveness.

Surebuild – solutions in steel

TECHNOLOGY

SureBUILDTECHNOLOGY

SureBUILDTECHNOLOGY

TECHNOLOGY

TECHNOLOGY

Surebuild is a registered Trademark of BW Industries Ltd.

TEL 01262 400088 • EMAIL [email protected] • WEB www.bw-industries.co.uk 3 BW MezzanineTEL 01262 400088 • EMAIL [email protected] • WEB www.bw-industries.co.uk TEL 01262 400088 • EMAIL [email protected] • WEB www.bw-industries.co.uk

Fire Restraint Wall System Introduction

The CompanyBW Industries is a privately owned company providing steel components for the construction, manufacturing and agricultural sectors.

BW Industries are suppliers to the domestic market and also export to other countries worldwide.

As a reflection of our clear commitment we have gained a leading position in the steel sections industry by our insistence, without compromise, that all components are of high quality and are accurately manufactured whilst remaining cost competitive.

Since its establishment in 1974 BW Industries are proud to have an excellent reputation in the

construction, manufacturing and agricultural sectors established through continued commitment and an unrivalled service level.

QualityBW Industries has a Quality Assurance System which is accredited to BS EN ISO 9001-2008 and which covers all aspects of our operations.

BW Industries excellent personal service backed up by commitment to quality ensures that BW Industries achieve the highest levels of customer satisfaction.

ProductsThe wide range of products supplied by BW Industries may be split into the following areas:-

Purlins, Sheeting Rails and ■■

Eaves Beams

Mezzanine Floors■■

Structural Walls and Framing■■

SureBuild Structural Framing■■

Offsite Modular Buildings■■

Cold Formed Framed Buildings■■

Grainwalling■■

Laser Punching and Notching■■

This brochure relates specifically to Mezzanine Floor Beams.

BW Industries range of mezzanine floor beams are lipped cee section profiles. They are light gauge cold-formed pre galvanized steel sheet with a Z275 coating. Standard sections range in depth from 125mm to 350mm for a range of gauges from 1.3mm to 3mm. The stated gauges are core steel thickness plus the standard (Z275) zinc coating thickness of 0.04mm. The sections are fabricated from grade S450 steel with a minimum yield strength of 450N/mm².

BW Industries also produce a range of larger sections up to depths of 500mm and gauge up to 6mm which can be used to form the primary steel beams for mezzanine floors.

Load tables have been independently assessed and verified under the “SCI Assessed” Scheme


Fire Restraint Wall System Introduction contd

DesignBW Industries have developed software for the design of cold formed purlins and sheeting rails. This is provided as an aid to designers and specifiers to allow selection of the optimum section.

The software has been developed following extensive testing of sections by and under the approval of the SCI (Steel Construction Institute), this was undertaken to accurately determine bending capacities.

The software is for designs in accordance with BS EN 1993 this being the relevant european design standard.

The software has been developed by a chartered structural engineer and has been independently checked and verified by the SCI.

Fully comprehensive technical support is available from our design team.

All of the steelwork is 100% recyclable, all steel is currently manufactured using 40% recycled steel.

DetailingBW Industries produce standard detailing sheets which allow detailers to order standard sections and components. The information on these sheets is used to generate a CAM data file which is then fed directly into the manufacturing system.

Standard details are available on a number of electronic draughting packages such as Strucad and Autocad.

BW Industries also have facilities to produce detail drawings as required for any project.

Non standard sections and non standard hole sizes and or punchings can be accommodated on request.

SustainabilityBW Industries are committed to supporting and developing sustainability throughout all its departments.

Steel is one of the most recycled materials used in the world, use of recycled material does not compromise the quality of new steel produced from it.

By addressing key issues such as product design, CO2 emissions, recycling of waste materials and prudent use of all resources BW Industries take responsibility for managing environmental issues.

CostingFollowing selection of the optimum sections BW Industries provide competitive quotations for manufacture, supply and delivery.

BW Industries are pleased to offer this service for bespoke sections and for their large range of standard sections.


Fire Restraint Wall System Introduction contd

OrderingIn order to facilitate the ordering process BW Industries have a range of standard drawings and details which can be completed by the client. These are then used to prepare an acknowledgement which itemises precisely what is required.

Alternatively BW Industries have in house draughting facilities to allow preparation of fabrication drawings and details.

ManufactureThe information on any fabrication drawings and details is programmed into a Cam data file which is transmitted directly to the rolling or fabrication plant.

Ancilliary items are produced in conjunction with the manufacture of major components.

All major components are normally ink jet printed to show what they are and from which materials they have been formed. This process is so that there is a trail which shows exactly what has been manufactured.

Dispatch and SupplyBW Industries have a team of experienced personnel who hand pick the items for dispatch and load these onto the vehicles which have been arranged for onward transportation. Depending on the end users requirements specialist vehicles with on board lifting equipment can be arranged to facilitate material off-loading at the delivery address.

CertificationBW Industries have developed design software based on the methodology in the relevant European standards and extensive testing of their product range.

This information has been independently assessed and approved by the SCI who are an internationally recognized authority in the field of light gauge steelwork design and construction.

BW Industries are pleased to display the SCI logo and to confirm that their products have achieved SCI Assessed status with the appropriate certification.

Photograph of Zed Purlin undergoing load testing in the John Payne Building Laboratory at Oxford Brookes University as witnessed and documented by the SCI (Steel Construction Institute)


Fire Restraint Wall System Mezzanine Sections

Range Gauges mm

M125 1.3, 1.4, 1.5, 1.6, 1.8, 2.0

M150 1.3, 1.4, 1.5, 1.6, 1.8, 2.0

M175 1.3, 1.4, 1.5, 1.6, 1.8, 2.0, 2.3, 2.5

M200 1.4, 1.5, 1.6, 1.8, 2.0, 2.3, 2.5

M225 1.5, 1.6, 1.8, 2.0, 2.3, 2.5

M250 1.6, 1.8, 2.0, 2.3, 2.5, 2.9

M300 2.0, 2.3 , 2.5, 2.9

M350 2.3, 2.5, 2.7, 3.0

M400 3.0, 4.0, 5.0

M425 3.0, 4.0, 5.0

M450 3.0, 4.0, 5.0

M475 3.0, 4.0, 5.0

M500 3.0, 4.0, 5.0

Range Depthmm

Flangemm

Lipmm

Holemm

Diameter of Hole

mm

M125 125 52 17 40 14

M150 150 50 17 45 14

M175 175 64 17 48 14

M200 200 66 17 50 14

M225 225 78 17 53 14

M250 250 85 17 55 18

M300 300 90 19 58 18

M350 350 95 21 60 18

M400 400 100 25 65 18

M425 425 90 23 67 18

M450 450 125 25 70 18

M475 475 113 25 73 18

M500 500 100 25 75 18

Depth

Lip

Lip

Gauge

Flange

Hole

Hole

Designed in accordance with ■■

BS EN 1993-1-3

Manufactured by cold roll forming ■■

of pre-hot dipped galvanized strip to BS EN 10346 with minimum tensile strength of 450 N/mm2 and Z275 coating

Section ranges are referenced ■■

“M” followed by three digits being the overall depth in mm

Individual sections are referenced ■■

“M” followed by five digits the first three being the overall depth in mm and the final two being the gross material thickness in mm multiplied by 10

Use the BW Building Wizard Software for accurate calculations


Fire Restraint Wall System Section Properties

SectionReference

Weightkg/m

Second Moment of Area Section Modulus Radius of Gyration MomentCapacity

Major Axiscm4

Minor Axiscm4

Major Axiscm3

Minor Axiscm3

Major Axiscm

Minor Axiscm

Major AxiskNm

M12513 2.58 77.91 12.36 12.47 3.54 4.94 1.97 5.50M12514 2.77 83.58 13.22 13.37 3.78 4.93 1.96 6.21M12515 2.96 89.17 14.07 14.27 4.03 4.92 1.96 6.91M12516 3.14 94.68 14.90 15.15 4.27 4.92 1.95 7.61M12518 3.51 105.49 16.52 16.88 4.73 4.90 1.94 8.97M12520 3.88 116.00 18.07 18.56 5.17 4.88 1.93 10.29M15013 2.79 116.64 11.98 15.55 3.41 5.81 1.86 7.05M15014 3.00 125.18 12.82 16.69 3.65 5.80 1.86 7.94M15015 3.20 133.62 13.64 17.82 3.88 5.79 1.85 8.82M15016 3.41 141.96 14.45 18.93 4.11 5.78 1.84 9.69M15018 3.81 158.33 16.01 21.11 4.56 5.77 1.83 11.40M15020 4.21 174.30 17.52 23.24 4.99 5.75 1.82 13.07M17513 3.33 194.42 22.69 22.22 5.01 6.87 2.35 8.17M17514 3.58 208.85 24.32 23.87 5.37 6.86 2.34 9.47M17515 3.83 223.14 25.92 25.50 5.72 6.85 2.33 10.75M17516 4.07 237.29 27.50 27.12 6.07 6.84 2.33 12.01M17518 4.56 265.15 30.58 30.30 6.75 6.82 2.32 14.51M17520 5.04 292.44 33.56 33.42 7.41 6.81 2.31 16.96M17523 5.75 332.32 37.87 37.98 8.36 6.78 2.29 20.54M17525 6.22 358.20 40.62 40.94 8.97 6.76 2.28 22.86M20014 3.90 290.98 27.32 29.10 5.71 7.76 2.38 11.21M20015 4.17 311.02 29.13 31.10 6.09 7.75 2.37 12.78M20016 4.44 330.86 30.91 33.09 6.46 7.74 2.37 14.33M20018 4.97 370.01 34.40 37.00 7.19 7.72 2.35 17.40M20020 5.50 408.43 37.78 40.84 7.90 7.70 2.34 20.40M20023 6.28 464.69 42.66 46.47 8.92 7.68 2.33 24.81M20025 6.79 501.30 45.79 50.13 9.58 7.66 2.31 27.68M22515 4.75 454.10 45.36 40.36 7.98 8.78 2.77 14.03M22516 5.05 483.33 48.18 42.96 8.47 8.77 2.77 16.07M22518 5.66 541.10 53.70 48.10 9.45 8.75 2.76 20.09M22520 6.26 597.92 59.09 53.15 10.40 8.73 2.74 24.05M22523 7.16 681.40 66.91 60.57 11.78 8.70 2.73 29.87M22525 7.75 735.90 71.95 65.41 12.67 8.69 2.72 33.67M25016 5.54 652.43 61.44 52.19 9.81 9.73 2.98 17.72M25018 6.21 730.90 68.55 58.47 10.95 9.71 2.97 22.63M25020 6.88 808.22 75.50 64.66 12.06 9.69 2.96 27.48M25023 7.86 922.03 85.61 73.76 13.68 9.66 2.94 34.62M25025 8.52 996.47 92.14 79.72 14.73 9.65 2.93 39.29M25029 9.81 1141.93 104.74 91.35 16.75 9.61 2.91 48.42M30020 7.88 1300.52 95.30 86.70 14.10 11.48 3.11 35.15M30023 9.02 1485.69 108.22 99.05 16.01 11.46 3.09 44.79M30025 9.77 1607.12 116.59 107.14 17.26 11.44 3.08 51.13M30029 11.26 1845.16 132.78 123.01 19.66 11.40 3.06 63.54M35023 10.18 2235.94 133.92 127.77 18.49 13.23 3.24 55.61M35025 11.03 2420.39 144.39 138.31 19.94 13.21 3.23 63.83M35027 11.88 2602.70 154.66 148.73 21.37 13.20 3.22 71.97M35029 12.72 2782.86 164.70 159.02 22.76 13.18 3.21 80.00M40030 14.74 4153.07 213.44 207.65 27.86 149.51 33.89 103.56M40040 19.41 5418.65 273.21 270.93 35.71 148.53 33.35 152.91M40050 23.94 6616.56 327.23 330.83 42.84 147.54 32.81 199.67M42530 14.74 4496.67 160.34 211.61 22.61 155.57 29.38 111.04M42540 19.41 5866.01 204.45 276.05 28.89 154.54 28.85 161.16M42550 23.94 7161.62 243.92 337.02 34.53 153.50 28.33 208.64M45030 17.10 6255.35 383.95 278.02 40.18 170.42 42.22 120.59M45040 22.55 8190.01 495.07 364.00 51.86 169.46 41.66 187.75M45050 27.87 10036.47 597.38 446.07 62.63 168.49 41.11 251.93M47530 17.10 6711.43 299.60 282.59 34.13 176.52 37.30 131.75M47540 22.55 8786.54 385.30 369.96 43.95 175.52 36.75 199.81M47550 27.87 10766.68 463.71 453.33 52.97 174.51 36.22 264.82M50030 17.10 7148.99 226.35 285.96 28.45 182.18 32.42 142.62M50040 22.55 9358.29 290.17 374.33 36.53 181.14 31.90 211.27M50050 27.87 11465.88 348.09 458.64 43.91 180.09 31.38 276.81


Fire Restraint Wall System Mezzanine Overview

Mezzanine floor beams are generally used as secondary beams supporting decking.

These secondary beams are normally then supported on hot rolled steel primary beams.

However, due to the large section sizes available BW Industries mezzanine floor beams may in many cases be used in back to back configuration as primary beams.

Please consult our technical department for specific advice

making steelwork

INDUSTRIES

A NEW INNOVATION FROM BW INDUSTRIES

Building Wizard Software©BW Industries 2011 v1.7.1.1

TECHNOLOGY

The software package facilitates cost effective design of purlins, side rails and mezzanine floor beams all in accordance with current standards. An integral database allows for quick and accurate assessment of loadings including wind load and snow load for all locations in the United Kingdom and Ireland. This all in one application enables production of detailed reports for submission to any checking authority. See our website or contact our sales team to request the latest version.


Fire Restraint Wall System Primary Beam Connection Configuration

Range Depth of plate

mm

Gauge Lines

mm

Offsetmm

M125 130 45 50

M150 150 60 55

M175 173 80 58

M200 195 100 60

M225 218 120 63

M250 240 140 65

M300 288 185 68

M350 335 230 70

M400 380 270 75

M425 403 290 78

M450 425 310 80

M475 448 330 83

M500 470 350 85

Plate Depth Plate DepthGauge Lines Gauge Lines

Offset Offset

120 120

7050 5050

8 8

240

Intermediate connection plate assembly End connection plate assembly

Fin plate 8mm thick■■

Column cap plate 120 by 120 by 8mm thick ■■

Fin plate/cap plate connection 6mm fillet weld ■■

Cap plate/column connection 6mm fillet weld ■■

All holes 18mm diameter ■■



Fire Restraint Wall System Inset (Web) Cleats

Floors designed using the inset system make maximum use of available headroom.

The secondary floor beams are connected within the depth of the primary supporting beams thus minimising the overall depth of the floor structure.

Hole diameters as shown for grade 8.8 bolts ■■

Standard cleats are manufactured from 3mm ■■

thick pre-galvanized material

Heavy duty cleats are available to suit the ■■

individual scheme

Section Depth

mm

Amm

Bmm

Cmm

Dmm

Emm

Diameter of Hole

mm

125 110 45 135 95 25 14

150 110 60 135 110 25 14

175 110 80 135 130 25 14

200 110 100 135 150 25 14

225 110 120 135 170 25 14

250 125 140 150 190 25 18

300 125 185 150 235 25 18

350 125 230 150 280 25 18

400 150 270 175 320 25 18

425 150 290 175 340 25 18

450 150 310 175 360 25 18

475 150 330 175 380 25 18

500 150 350 175 400 25 18

D

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making steelwork

INDUSTRIES

A NEW INNOVATION FROM BW INDUSTRIES

Building Wizard Software©BW Industries 2011 v1.7.1.1

TECHNOLOGY

The software package facilitates cost effective design of purlins, side rails and mezzanine floor beams all in accordance with current standards. An integral database allows for quick and accurate assessment of loadings including wind load and snow load for all locations in the United Kingdom and Ireland. This all in one application enables production of detailed reports for submission to any checking authority. See our website or contact our sales team to request the latest version.


Fire Restraint Wall System Oversail (Flange) Cleats

The maximum allowable overhang should be no ■■

greater than one eighth of the adjacent span.

Hole diameters as shown for grade 8.8 bolts ■■

Standard cleats are manufactured from 3mm thick ■■

pre-galvanized material

Heavy duty cleats are available to suit the ■■

individual scheme

Section Depth

mm

Amm

Bmm

Cmm

Diameter of Hole

mm

125 30 45 40 14

150 30 60 45 14

175 30 80 48 14

200 30 100 50 14

225 30 120 53 14

250 30 140 55 18

300 30 185 58 18

350 30 230 60 18

400 30 270 65 18

425 30 290 68 18

450 30 310 70 18

475 30 330 73 18

500 30 350 75 18

The oversail system with top flange cleats may be used where there are no restrictions on floor depth.

A variation on the above system is to fix the secondary beams directly to the primary beam flanges without cleats. This requires a minimum bearing of 65mm. Any overhang should be no greater than one twelfth of the adjacent span.

A

B

C

3565

3070

30



Fire Restraint Wall System Technofast Fixings

Technofast Fixings

Application Fixing Item Code Description

General framing screw for stud joist and bracing sections 24-7010-55019 5.5 x 19mm low profile

Heavy Section boxed sections 20-7010-55038 5.5 x 38mm low profile

High thread fastener for fixing stainless steel wall tie through 25-40mm insulation to max 3.0mm steel

HT65 5.5 x 65mm Hex head

Composite structure details-gussets plates,angle brackets etc 20-7310-55025 5.5 x 25mm Hex head

Timber boarding up to 40mm thick to steel joists FS3Z55505.0 x 50mm winged,

countersunk, self drilling tip loose

Runners to Concrete and structural concrete blocks T4H32

6.3 x 32mm hex head masonry drive into

pre-drilled hole

Heavy section steel from 3mm to 12mm 20-7330-55032 5.5 x 38mm hex head

Stand off fixing screw, stainless steel wall tie channel section through 40-55mm insulation CPST14060NW High thread 6.3 x 60

- 125m

Collated Screw Systems

Timber boarding up to 25mm fixing to steel joist sections up to 6mm CS2647UT

5.0 x 47mm collated superwing screw for Muro tool systems

Timber boarding up to 38mm fixing to steel joist sections up to 6mm CS2662UT

5.0 x 62mm collated superwing screw for Muro tool systems

Drywall to light steel sections up to .6mm39B25MP 39B35MP 39B45MP

3.9 X 25/35/45 Sharpe point

Drywall to heavy steel section up to 2.75mm35Q25MC 35Q35MC 35Q45MC

3.5 x 25/35/45 drill point

Light gauge steel section to concrete PSW319-40 19 to 40mm smooth shank collated pins

NOTE: Drawings and Pictures are for reference only and not for scale


Fire Restraint Wall System Restraint Details

Restraining rods are manufactured from M12 Dia studding, fully threaded and zinc plated, and supplied complete with four nuts and four washers. Non-standard lengths and M10 dia studding supplied as required.

Restraining Rods

Useful Loads

Note: Top flange must be restrained by the decking and the bottom flange restrained by rods fitted into bottom hole and between facing floor beams, up to 2500mm – nil, 2501mm to 5500mm – one, 5501mm and over – two.

Beam Centres Beam Centres

12mm diameter restraining rods fitted with M12 nuts and washers

Floor BeamFloor beam centres Length of rods

Up to 406mm 515mmUp to 488mm 595mmUp to 525mm 630mmUp to 610mm 715mmUp to 700mm 805mmUp to 815mm 920mmUp to 1050mm 1155mm

All dimensions in millimetres

WeightkN/m2

Dead Loads

Ceiling 0.10

12mm Plasterboard and Skim 0.12

25mm Tongue and groove Floorboard 0.14

19mm Chipboard 0.13

19mm chipboard and 12mm Plasterboard 0.25

18mm Cement Particle Board 0.24

38mm Chipboard 0.30

Service Loads

Suspended Ceiling 0.10

Strip Lights and Sprinklers 0.15

WeightkN/m2

Imposed Loads

Ceiling 0.25

Domestic Floor 1.5

Office 2.5

Ground Floor Office 3.0

Retail Premises 4.0

Public Assembly Areas with Fixed Seating 4.0

Public Assembly Areas without Fixed Seating 5.0

Factory Floor (Light Duty) 5.0

The weights shown are for general guidance only and BW Industries accept no responsibility for the accuracy of the information. Where exact weights are required reference should be made to the material manufacturer.


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We reserve the right to alter and amend specifications shown at any time without prior notice. All dimensions are nominal. Care has been taken that the contents of this publication are accurate. However BW Industries Ltd. and its associated companies do not accept responsibility for errors or information found to be misleading and accept no liabilities whatsoever in respect thereof. The contents of this publication are meant as a general introduction to our products and any purchaser, specifier or user retains the entire responsibility for satisfying themselves, independently of anything herein, as to the suitability or fitness for purpose of any BW Industries Ltd. products, services or systems. Our normal terms & conditions of business apply to any order (A copy will be supplied upon request.)

BW INDUSTRIESCarnaby Industrial Estate

Carnaby, Bridlington

East Yorks. YO15 3QY

TEL 01262 400088

FAX 01262 401110

EMAIL [email protected]

WEB www.bw-industries.co.uk

Mezzanine Sections - Find The Needle

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