MSS PURLINS BRACING MC PURLINS MS TOPHATS MSS SINGLE SPAN FLOOR JOISTS. Version April 2016
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1 MSS PURLINS BRACING MC PURLINS MS TOPHATS MSS SINGLE FLOOR JOISTS Version April 2016
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3 CONTENT WHO WE ARE 5 INTRODUCTION 6 PRODUCER INFORMATION 7 DESIGN CONSIDERATIONS 9 MSS & MC DESIGN & SELECTION 10 MSS PURLINS 12 PRODUCT INNOVATIONS 14 MSS SECTION PROPRTIES 16 MSS SECTION GEOMETRY 17 SINGLE GUIDE 18 SINGLE 19 TWO LAPPED 34 THREE LAPPED 49 LAPPED MULTI (END ) 64 LAPPED MULTI (INTERNAL S) 79 SINGLE AXIAL LOAD TABLE 95 BRACING 102 MSS PURLIN HOLE DETAILS 104 LAPPED MSS PURLINS 105 BRACING SYSTEMS 106 CAMLOCK BRACING COMPONENTS 107 STANDARD BRACING SYSTEMS 108 GP BRACKETS 109 CONTINUOUS MSS PURLINS SPLICE JOINT 110 MC PURLINS 112 MC SECTION GEOMETRY 114 MC SECTION PROPERTIES 115 MC PURLINS GUIDE 116 SINGLE ( LOAD) 117 MS TOPHATS 122 MS TOPHATS DESIGN GUIDE 124 MS TOPHATS GUIDE 125 SINGLE (MS TOPHAT) 126 LAPPED (MS TOPHAT) 128 MS TOPHATS SECTION 130 MS TOPHATS FLOOR JOIST S 131 MSS SINGLE FLOOR JOISTS 132 FLOOR RIDGITY NOTES 134 MSS SINGLE FLOOR JOISTS 135 FLOOR JOIST COMPARISONS 133 Metalcraft Roofing Structural Guide Revision April
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5 WHO WE ARE METALCRAFT ROOFING We have een operating since the 1950 s and originated in the lovely town known as Palmerston North. With more than 50 years experience in the industry, we have estalished a reputation for oth manufacturing high quality roll formed products and for providing an unrivaled level of service. We consider ourselves to e New Zealand s largest privately owned roofing company and experts at manufacturing. We manufacture a wide range of products using locally sourced steel from New Zealand Steel. Solid material warranties acked y New Zealand Steel will give you an assurance of quality and peace of mind. We also operate two structural manufacturing plants which share production sites with the Metalcraft Roofing ranches at Auckland and Christchurch. These ranches manufacture and supply a wide selection of purlins, girts and tophats to the construction markets in New Zealand. We are memers of the Roofing Association, New Zealand and the NZ Metal Roofing Manufacturers Incorporated. SUSTAINABILITY The environment is an issue that affects us not only as individuals ut also the usiness activities in which we participate. As a memer of the construction industry Metalcraft Roofing is proud to e involved in rollforming a product that is recyclale. New Zealand Steel, who is Metalcraft Roofing s key supply partner, has produced informative material which looks at the various aspects of steel manufacturing and its impact on the environment. DURABILITY Metalcraft Roofing s MSS Purlins and Girts, MC Sections, Bracing Systems and MS Tophats will meet a service life of up to 50 years. Compliance with the conditions stated in the New Zealand Steel Duraility Statement June 2016 will ensure that the duraility requirements of NZBC Approved Document B2 are satisfied. The MSS Purlins and Girts are manufactured from high tensile Z275 galvanised coil in accordance with AS1397. MSS Purlins and Girts provide an efficient, lightweight rollformed support system for roofing and wall cladding and are recognised as eing efficient, economical structural memers suitale for a wide range of uilding applications. METALCRAFT INSULATED PANEL SYSTEMS Metecno NZ Ltd trading as Metalcraft Insulated Panel Systems is our sister company and specialises in the manufacture, supply and installation of insulated panels. Metecno NZ is part of Metecno Group, an international Group of companies operating in the insulation panel sector since All products are acked y solid warranties and the range of insulated panels, supplied y Metalcraft Insulated Panel Systems, is used in a variety of applications from Industrial and Commercial Coolstore to Agricultural and Architectural uildings. UNITED INDUSTRIES GROUP LIMITED Both ourselves and Metalcraft Insulated Panels are part of United Industries Group limited. United Industries is heavily involved in providing materials and services to the New Zealand construction market through its group companies. For more information on United Industries, please visit: Metalcraft Roofing Structural Guide Revision April
6 INTRODUCTION This pulication has een prepared to assist the designer in specifying Metalcraft Super Span (MSS) Purlin and Girts, Metalcraft C Section (MC Section), complete with either Camlok or Standard Bracing systems and MS Tophats. MSS Purlin and Girts, MC Sections, with the Camlok or Standard Bracing system are designed for use as a olted framework system used with primary structural steel work. They are supplied cut to length and can e pre-punched with a variety of holes to suit a numer of applications. Purlins, Girts and Bracing are rollformed to provide an efficient, lightweight support system for roofing and wall cladding and are recognised as eing efficient, economical structural memers suitale for a wide range of uilding applications. The Camlok Purlin Bracing system provides a complete, efficient, cost effective and easily erected system. MSS Purlin and Girts, and MC Sections, complete with either Camlok or Standard Bracing systems and components are a complete system, supplied ready for erection and will require minimal maintenance throughout the life of the uilding. The Z275 galvanised finish on the purlins and racing systems, give an excellent corrosion protection and reduces the need for painting. MSS Purlin and Girts, MC Sections, Bracing systems and MS Tophats, comply with New Zealand Building Code, and are designed to AS/NZS 4600:2005 Cold formed steel structures. MS Tophats can e used for roof purlins, wall girts and floor joists, and are an economic option for these and other applications. They are an economical alternative to timer and C section purlins for spans up to 7 meters. Easy to use they fasten directly to their supports which eliminates the requirements for cleats. Being symmetrical there is no requirements for races or nogs to prevent twisting and allows the profile to e easily lapped for maximum performance. MS Tophats are manufactured from high strength galvanised steel coil, the Z275 minimum coating provides good protection in most exposed internal environments. Consideration should e given when used in a lined exterior dwelling. Thermal reaks are required etween the tophat and cladding to avoid thermal ridging. Contact with materials not compatile with zinc should e avoided. HANDLING AND STORAGE The presence of water etween the stacked sections will create premature corrosion, it is recommended the sections are separated and dried if this situation occurs. Cutting if required should e done with hacksaws or snips, the use of arasive disc lades are not recommended. EFFECTIVE DESIGN WIDTH Metalcraft Roofing does not provide values of the effective design width of section elements and where required must e considered y the Design Engineer. DISCLAIMER This pulication is intended to provide accurate information to the est of our knowledge in regards to MSS Purlin and Girts, MC Sections, Bracing systems and MS Tophats Sections. It does not constitute a complete description of the goods nor an express statement aout their suitaility for any particular purpose. All data is provided as a guide only and Metalcraft Roofing and Blueprint Consulting Engineers Ltd do not accept any liaility for loss or damage suffered from the use of this data. USE OF THIS MANUAL The user of this manual is responsile for ensuring that this document is the most recent revision prior to using the information within for design purposes. When selecting purlin systems for projects the specifier must consider the impact of the actual applied loads versus the stated capacities for the system as specified in the manual. Actual loading, while it may e less than stated values does not necessarily ensure adequacy of the selected system as memer adequacy is highly dependent on the maximum moments applied and the moment profile in the memer span. Such design actions can e significantly altered y the variations in the actual project specific calculated applied loads, and accordingly the Design Engineer is responsile for verifying their purlin selection complies with AS/NZS4600:2005. MANUAL UPDATES The user of this manual is responsile for ensuring this manual is the current revision prior to using and information contained within. 6 Metalcraft Roofing Structural Guide Revision April 2016
7 PRODUCER INFORMATION EXTENT AND LIMITATION OF USE MSS Purlins and Girts, MC Sections, with a Camlok or Standard Bracing system, and MS Tophats will depend on spans, loads, ridging and product sizes and should e used with the information provided within this manual. Design and use of these products outside the information provided may result in a reduction in performance. MATERIAL SPECIFICATIONS The galvanised coating used on the steel to manufacture MSS Purlins and Girts, MC Sections, Bracing Systems and MS Tophats is designed for internal use only. The coating must e kept clear of corrosive environments and should not e used in contact with chemically treated timer or other treated products in the presence of moisture. If there is evidence of damage to the coating, the area should e cleaned and spot primed to the suppliers specifications. Product Steel Grade Base Metal Zinc Weight Thickness mm MSS Sections G500 (Mpa) < gm/m 2 MC Sections G500 (Mpa) < gm/m 2 MSS Sections G450 (Mpa) > gm/m 2 MC Sections G450 (Mpa) > gm/m 2 Bracing G250 (Mpa) gm/m 2 Sag Rod 12mm Dia Zinc Plate to 16mm Dia AS1789 or Galv to AS1640 Tophat G550 (Mpa) > gm/m 2 Tophat G500 (Mpa) >1.00 < gm/m 2 Tophat G450 (Mpa) >1.5 < gm/m 2 PRODUCT HANDLING, STORAGE, INSTALLATION AND MAINTENANCE REQUIREMENTS MSS Purlins and Girts, MC Sections and Bracing Systems must e handled, stored and installed using the procedures outlined in this document. The following factors could limit the performance of the product. Site or storage or transit exposure that allows the product to get wet and trap water etween flat surfaces. If this happens the product should e dried and restacked. Damage to the profile of surface coating during, handling, storage, installation or y other trade work. The product must e installed in a manner for which they were designed without imposing excessive loads during construction or in their later use. All fixing to the structural steelwork including fitting of racing must e completed efore any loads are imposed. All ancillary products must e of the correct size and designed as specified. Other work such as welding, gas cutting or drilling should e carried out under the Design Engineers Supervision as some loss of strength may occur. USAGE OUTSIDE GUIDELINES Where MSS Purlins, Girts, MC Sections, Bracing systems and MS Tophats are eing used outside the limitations and procedures given in this manual together with any dout as to the handling, storage or installation of this product, written approval should e otained from the manufacturer for any such specific project and prior to the project commencing. Metalcraft Roofing Structural Guide Revision April
8 PRODUCER INFORMATION N.Z.B.C COMPLIANCE Use of the MSS Purlins and Girts, MC Sections, Bracing systems and MS Tophats in accordance with the stated guidelines and limitations therey complies with NZBC Approved Documents: B1 Structures B2 Duraility Past history of galvanised steel products in dry interior environments indicates a life of up to 50 years can e reasonaly expected. PERFORMANCE Metalcraft MSS Purlins and Girts, MC Sections, Bracing Systems and MS Tophats are accurately roll-formed from the specified grade of steel, thus ensuring that they achieve the stated performance. Load capacities in the tales have een estalished y calculations in accordance with AS/NSZ 4600:2005 Cold Formed Steel Structures. Sections chosen using the data provided in the tales will perform as specified when the design, farication and erection are carried out in accordance with Metalcraft recommendations and good trade practice. DURABILITY Metalcraft MSS Purlins and Girts, and MC Sections, Bracing Systems and MS Tophats will meet a service life of up to 50 years, complying with the duraility requirements of NZBC Approved Document B2 providing they are kept free from moisture. PRODUCT INFORMATION Metalcraft Roofing require that all information on these products e made availale to all sectors of the construction chain to ensure the product is fully maintained and its full life can e realised. TOLERANCES All dimensions are nominal, (rolling tolerances to e considered). We depth + / - 2mm Flange width + / - 2mm Lip + / - 1mm Length + / - 6mm Hole Centres + / - 1.5mm We/Flange Angle 8-93 Metalcraft Roofing have staff freely availale to assist in product selection and to comment upon usage prior to projects eing started. TABLES Tales are supported y Engineers calculations. ACKNOWLEDGMENT Blueprint Consulting Engineers Ltd has assisted in the development of MSS & MC purlin system and floor joist and also the production of the manual. EMC2 Ltd has assisted in the development of the Tophat system and production of the manual. For adverse conditions, including use within 1km of salt marine locations or in severe industrial and unusually corrosive environments, please contact the manufacturer for specialist advice. Reference documents: NZ Steel Duraility Statement May Bluescope Steel, technical Bulletin TB-17 (Rev 5, Novemer 2003). 8 Metalcraft Roofing Structural Guide Revision April 2016
9 DESIGN CONSIDERATIONS 1.0 AXIAL & FLEXURAL LOADING 1.1 General MSS Purlins and Girts have een designed to comply with the requirements of AS/NZS 4600:2005 (Cold Formed Steel Structures). Strength Reduction Factors are in accordance with 1.6 of the aove Code. ie. Bending = 0.90 Axial c = 0.85 The self weight of the purlin is not included in the load tales and should e added along with other dead loads. All loads are ultimate loads for strength calculations, and serviceaility loads for deflection calculations, all in accordance with AS/NZS Vertical loads on purlins The load span tales show (ultimate uniformly distriuted load in ) for estalishing the purlin strength. Any other loading format must e specifically designed. The restraints as set out in 2.0. must apply. w x (applied uniformly distriuted load in ) for maximum inwards and outwards load cominations, (derived from AS/NZS 1170) is required in order to estalish the strength requirement for the purlin. The load span tales also show w s (serviceaility load ) for estalishing the purlin stiffness ased on deflection at those loads of L/150. The applied serviceaility load is required for maximum inwards and outwards load cominations. 1.3 Axial Loads with/without Flexure, Symols N* = Applied ultimate axial load. cnuc = 0.85Nuc = The memer capacity in compression (). wx = Applied uniformly distriuted ultimate load (). wu = Maximum U.D.L (ultimate) from the tales. = 0.9 (strength reduction factor in ending). Cmx = 1.0 For oth ends unrestrained. αnx (Ref. AS/NZS 4600:1996 clause.1) N* = 1 ( N e) Ne = Elastic uckling load aout the ending axis. 1.4 Axial loads only The memer capacity in compression = c N uc from the axial load tales Axial load and ending cnuc must e determined for the level of restraint provide ie. (a) 1,2 or 3 lateral races. For ending aout the major axis (X axis) the interaction equation elow applies: ( ) ( ) N* + C mx w x c N uc α 1.0 applies nx Bending For ending aout the minor axis, (y axis) and for i-axial ending, calculations from first principles must e carried out. 1.5 Braces The standard racing channel is limited to a purlin spacing of 3000mm. 2.0 RESTRAINT 2.1 General The following restraints are required to achieve the taulated loads. 2.2 Roof Purlins with uniformly distriuted loading One flange of purlin to have roof cladding with normal screw fixings. Providing minor axis rotation restraint of Nmm/ mm. Compression flange not restrained y roof sheeting to e restrained y lateral races as shown in the tales. For pitches over the resultant forces in the plane of the roof must e allowed for. 2.3 Girts with horizontal loading Vertical loads are carried y the racing system, connected to primary structure capale of supporting the vertical load. A maximum race spacing of 3000mm with sheeting screw fixed to the girts provided minor axis rotation restraint of Nmm/mm. 2.4 Roof Purlins with comined axial load and ending Restraint y races with roof sheeting to one flange is required. 2.5 Columns Axial Load only Restraint as selected for the relevant c N uc value adopted from the tales. 2.6 Comined Axial and ending As noted in 2.4 aove ut the level of restraint applicale must e determined. Metalcraft Roofing Structural Guide Revision April
10 MSS & MC DESIGN & SELECTION These Tales have een prepared on the following asis: Roof sheeting screw fixed to the top flange. The self weight of the purlin is not included in the load tales. All spans for continuous lapped memers and doule lapped spans are assumed to e equal. These tales are for use y structural engineers and it is assumed they will derive linear loads inwards and outwards on memers. Standard racing channel is limited to a purlin spacing of 3000mm. All tale capacities refer to uniformly distriuted loads. Load applied through top flange. Design Loads calculated for load spans as follows: Lap length is the maximum of 10% x span or 600mm. Minimum olt size is M16 (G8.8/S). IMPORTANT In the design of continuous lapped span memers, the specified end span and internal span loads are assumed to act concurrently with all spans loads at specified load capacities. Design Engineers must e aware that patch loading or situations where applied loads vary from the specified loadings (from this ook) in any one or all spans, adequacy of the specified system must e verified y the Design Engineers for compliance with AS NOTE: Memer adequacy is highly dependent on the maximum applied moment and the moment profile within the span. SINGLE DOUBLE LAPPED Load Capacity is calculated uniform across 2 spans TRIPLE LAPPED Load Capacity are calculated uniform across 3 spans MULTI LAPPED "end span" "internal span" mirror line End spans are the minimum capacities from doule lapped or triple lapped case. Internal spans capailities are corresponding maximum load applied uniformly to all internal ays. 10 Metalcraft Roofing Structural Guide Revision April 2016
11 MSS & MC DESIGN & SELECTION PURLINS & GIRTS SINGLE 1. SYMBOLS w x = Calculated ultimate load/metre on the purlin (). w s = Serviceaility load/metre on the purlin (). = Allowale ultimate load /metre on the purlin () from the tales. N* = Ultimate axial load applied to the α nx C mx = 1 c N uc Ne purlin (). = 1 ( N* Ne ) = Axial load capacity from the tale. = Elastic uckling load from the tales. 2. UNIFORMLY DISTRIBUTED LOAD ON ROOF PURLINS Design Example Restraints Screw fixed roofing provides a fully restrained condition for downwards (or inwards) loading. Braces provide lateral restraint for upwards (or outwards) loading. Span L = 10m Purlin Spacing = 1.6m Derived loadings/m on purlins from known dead load, live load & wind pressure on the roof. Serviceaility w S = 0.72 = 0.24 Calculated Ultimate Load w X = 0.89 = 0.99 Serviceaility Maximum deflection or = Try: 250/15 From load span tales for 10.0m span ws = 0.7. Therefore: 250/15 OK. Ultimate Loads: Check: 250/15 From load span charts for 10.0m span & 2 races w = 1.24 > 0.89 u 10.0m span & 2 races w = 1.32 > 0.99 u Therefore: 250/15 with 2 races is OK. 3. UNIFORMLY DISTRIBUTED LOAD ON ROOF PURLINS PLUS AXIAL LOAD Design Example As in 2. But an axial load extended on the purlin from wind pressure on the end wall of the uilding. Span L = 10m simply supported Purlin spacing = 1.6m Axial load N* = 15 Ultimate loads = wx = 0.89 wx = 0.99 Try: 250/15 purlin with 3 races the interaction equation is ( ) ( ) w α u nx N* C w mx x N < 1.0 c uc N* c N uc N* c N uc C mx C mx w x w = x α nx N* 1- Ne w w x = x α 1- N* nx Ne outwards load (from tale) outwards load (from tale) outwards load (from tale) inwards load (from tale) N* Ne ( ) for outwards load N* C mx + c N uc ( ) = w ( x α nx ) outwards load (from tale) outwards load (from tale) ( ) ( ) ( ) ( ) ( ) ) ( = = = ( ) OUTWARD INWARD = (0.75x0.998) = for inwards load N* C w + mx x = (0.75x1.1136) = c N α nx uc Therefore: 250/15 purlin with 3 races is required. = = = = = = 0.75 Metalcraft Roofing Structural Guide Revision April
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13 MSS PURLINS CONTENTS PRODUCT INNOVATIONS 14 MSS SECTION PROPERTIES 16 MSS SECTION GEOMETRY 17 SINGLE GUIDE 18 SINGLE 19 TWO LAPPED 34 THREE LAPPED 49 LAPPED MULTI (END ) 64 LAPPED MULTI (INTERNAL S) 79 SINGLE AXIAL LOAD TABLE 95 Metalcraft Roofing Structural Guide Revision April
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15 PRODUCT INNOVATION Metalcraft Roofing has made a quantum leap forward in product range and manufacturing process with the commissioning and installation of its new purlin machines at the Metalcraft Roofing manufacturing plants in East Tamaki and Christchurch. There are many great features with the new purlin machine. The machine is completely automated which means that operator error is reduced as purlin quantities, lengths and punching requirements are handled at the order entry stage. In comparison to raft ased purlin rollformers which require lengthy change over times Metalcraft s purlin machine make the necessary changes in a matter of minutes. The gain in production flexiility allows for improved service levels to the customer. Quality is something that Metalcraft Roofing prides itself on and the new purlin machine has improved production design that ensures that the end product is of the highest quality. Traditional Purlin machines cut the purlin after it has een formed. In order to ensure the purlin is cut and does not flare, older machines will tend to overform the purlin. This means as it passes through the guillotine at the front of the machine the galvanized coating can e shaved on the inner side of the purlin. The Metalcraft Roofing purlin machine overcomes this y cutting the purlin to length efore it is rollformed. Again this is all done y an automated system that means there is less room for error as information is not doule handled. To further assist on site the individual purlin data is inkjet printed onto each purlin for ease of identification. Product Innovation is crucial to the success of any industry. Metalcraft Roofing has innovated y releasing four new purlin sizes, 275/15, 275/18, 325/15, 325/18 which are unique to the Metalcraft Roofing range. Metalcraft Roofing Structural Guide Revision April
16 MSS SECTION PROPERTIES R5 B R3 a D W BOLT CENTRES shear centre e C d n centre of mass BMT x S x L CODE D x B mm BMT mm Mass kg/m Area mm 2 a mm n mm c mm d mm e mm Xs mm XL mm W mm MSS 150/ x MSS 150/ x MSS 150/ x MSS 150/ x MSS 200/ x MSS 200/ x MSS 200/ x MSS 200/ x MSS 250/ x MSS 250/ x MSS 250/ x MSS 250/ x MSS 275/ x MSS 275/ x MSS 300/ x MSS 300/ x MSS 300/ x MSS 300/ x MSS 300/ x MSS 325/ x MSS 325/ x MSS 350/ x MSS 350/ x MSS 350/ x MSS 350/ x MSS 400/ x MSS 400/ x MSS 400/ x MSS 400/ x Metalcraft Roofing Structural Guide Revision April 2016
17 MSS SECTION GEOMETRY CODE AREA mm 2 SECOND MOMENT OF AREA (x10 6 mm 4 ) SECTION MODULUS (x10 3 mm 3 ) RADIUS OF GYRATION mm TORSION CONSTANT (mm 4 ) WARPING FACTOR (x10 9 mm 6 ) BENDING STRESS MPa COMPRESION STRESS MPa ᵝy (x10 6 mm 4 ) Ix Iy Zx Zy rx ry J Iw FOL FOD FOL FOD MSS 150/ MSS 150/ MSS 150/ MSS 150/ MSS 200/ MSS 200/ MSS 200/ MSS 200/ MSS 250/ MSS 250/ MSS 250/ MSS 250/ MSS 275/ MSS 275/ MSS 300/ MSS 300/ MSS 300/ MSS 300/ MSS 300/ MSS 325/ MSS 325/ MSS 350/ MSS 350/ MSS 350/ MSS 350/ MSS 400/ MSS 400/ MSS 400/ MSS 400/ Metalcraft Roofing Structural Guide Revision April
18 SINGLE GUIDE CODE D x B mm BMT mm Mass kg/m MSS 150/ x MSS 150/ x MSS 150/ x MSS 150/ x MSS 200/ x MSS 200/ x MSS 200/ x MSS 200/ x MSS 250/ x MSS 250/ x MSS 250/ x MSS 250/ x MSS 275/ x MSS 275/ x MSS 300/ x MSS 300/ x MSS 300/ x MSS300/ x MSS 325/ x MSS 325/ x MSS 350/ x MSS350/ x MSS350/ x MSS350/ x MSS 400/ x MSS 400/ x MSS 400/ x MSS 400/ x Typical Spans Based on Deflection Limitation only) NOTE: This chart is for quick reference only. Each situation should e considered separately and designed using standard procedures. FOR FURTHER INFORMATION AND ORDERS CONTACT METALCRAFT ROOFING This chart is ased on simple single span conditions with criteria determined y: wx = 1.0 w s = 0.5 for span/150 deflection limit Using continuous span arrangement will allow greater span lengths. Pulin spacing and wind zone will impact purlin selection. This tale is approximately equivalent to medium wind zone with single span purlins at 1.2m c/c with light roof only. 18 Metalcraft Roofing Structural Guide Revision April 2016
19 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 150/ MSS 150/ Ms m Ms m v V v v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection Metalcraft Roofing Structural Guide Revision April
20 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 150/18 MSS 150/ Ms m Ms m v V v v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection 20 Metalcraft Roofing Structural Guide Revision April 2016
21 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 200/ MSS 200/ Ms m Ms m v V v v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection Metalcraft Roofing Structural Guide Revision April
22 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 200/18 MSS 200/ Ms m Ms m v V v v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection 22 Metalcraft Roofing Structural Guide Revision April 2016
23 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 250/13 MSS 250/ Ms m Ms m v V v v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection Metalcraft Roofing Structural Guide Revision April
24 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 250/18 MSS 250/ Ms m Ms m v V v v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection 24 Metalcraft Roofing Structural Guide Revision April 2016
25 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 275/15 MSS 275/ Ms m Ms m v V v v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection Metalcraft Roofing Structural Guide Revision April
26 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 300/15 MSS 300/ Ms m Ms m v V v v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection 26 Metalcraft Roofing Structural Guide Revision April 2016
27 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 300/23 MSS 300/ Ms m Ms m v V v v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection Metalcraft Roofing Structural Guide Revision April
28 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 300/30 MSS 325/ Ms m Ms m v V v v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection 28 Metalcraft Roofing Structural Guide Revision April 2016
29 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 325/18 MSS 350/ Ms m Ms m v V v v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection Metalcraft Roofing Structural Guide Revision April
30 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 350/23 MSS 350/ Ms m Ms m v V v v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection 30 Metalcraft Roofing Structural Guide Revision April 2016
31 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 350/30 MSS 400/ Ms m Ms m v V v v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection Metalcraft Roofing Structural Guide Revision April
32 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 400/23 MSS 400/ Ms m Ms m v V v v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection 32 Metalcraft Roofing Structural Guide Revision April 2016
33 SINGLE LOAD TABLE Uniformaly Distriuted Load MSS 400/ Ms m v V v B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection Metalcraft Roofing Structural Guide Revision April
34 TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 150/12 MSS 150/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 34 Metalcraft Roofing Structural Guide Revision April 2016
35 TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 150/18 MSS 150/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
36 TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 200/12 MSS 200/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 36 Metalcraft Roofing Structural Guide Revision April 2016
37 TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 200/18 MSS 200/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
38 TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 250/13 MSS 250/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 38 Metalcraft Roofing Structural Guide Revision April 2016
39 TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 250/18 MSS 250/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
40 TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 275/15 MSS 275/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 40 Metalcraft Roofing Structural Guide Revision April 2016
41 TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 300/15 MSS 300/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
42 TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 300/23 MSS 300/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 42 Metalcraft Roofing Structural Guide Revision April 2016
43 TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 300/30 MSS 325/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
44 TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 325/18 MSS 350/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 44 Metalcraft Roofing Structural Guide Revision April 2016
45 TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 350/23 MSS 350/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
46 TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 350/30 MSS 400/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 46 Metalcraft Roofing Structural Guide Revision April 2016
47 TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 400/23 MSS 400/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
48 THREE LAPPED TWO LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 400/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 48 Metalcraft Roofing Structural Guide Revision April 2016
49 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 150/12 MSS 150/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
50 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 150/18 MSS 150/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 50 Metalcraft Roofing Structural Guide Revision April 2016
51 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 200/12 MSS 200/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
52 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 200/18 MSS 200/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 52 Metalcraft Roofing Structural Guide Revision April 2016
53 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 250/13 MSS 250/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
54 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 250/18 MSS 250/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 54 Metalcraft Roofing Structural Guide Revision April 2016
55 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 275/15 MSS 275/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
56 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 300/15 MSS 300/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 56 Metalcraft Roofing Structural Guide Revision April 2016
57 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 300/23 MSS 300/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
58 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 300/30 MSS 325/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 58 Metalcraft Roofing Structural Guide Revision April 2016
59 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 325/18 MSS 350/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
60 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 350/23 MSS 350/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 60 Metalcraft Roofing Structural Guide Revision April 2016
61 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 350/30 MSS 400/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
62 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 400/23 MSS 400/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 62 Metalcraft Roofing Structural Guide Revision April 2016
63 THREE LAPPED LOAD TABLE Uniformaly Distriuted Load MSS 400/ B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
64 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 150/12 MSS 150/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 64 Metalcraft Roofing Structural Guide Revision April 2016
65 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 150/18 MSS 150/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
66 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 200/12 MSS 200/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 66 Metalcraft Roofing Structural Guide Revision April 2016
67 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 200/18 MSS 200/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
68 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 250/13 MSS 250/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 68 Metalcraft Roofing Structural Guide Revision April 2016
69 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 250/18 MSS 250/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
70 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 275/15 MSS 275/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 70 Metalcraft Roofing Structural Guide Revision April 2016
71 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 300/15 MSS 300/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
72 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 300/23 MSS 300/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 72 Metalcraft Roofing Structural Guide Revision April 2016
73 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 300/30 MSS 325/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
74 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 325/18 MSS 350/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 74 Metalcraft Roofing Structural Guide Revision April 2016
75 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 300/30 350/23 MSS 350/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
76 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 350/30 MSS 400/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 76 Metalcraft Roofing Structural Guide Revision April 2016
77 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 300/30 400/23 MSS 400/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
78 LAPPED MULTI (END ) LOAD TABLE Uniformaly Distriuted Load MSS 400/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation 1B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 78 Metalcraft Roofing Structural Guide Revision April 2016
79 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 150/12 MSS 150/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
80 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 150/18 MSS 150/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 80 Metalcraft Roofing Structural Guide Revision April 2016
81 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 200/12 MSS 200/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
82 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 200/18 MSS 200/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 82 Metalcraft Roofing Structural Guide Revision April 2016
83 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 250/13 MSS 250/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
84 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 250/18 MSS 250/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 84 Metalcraft Roofing Structural Guide Revision April 2016
85 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 275/15 MSS 275/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
86 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 300/15 MSS 300/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 86 Metalcraft Roofing Structural Guide Revision April 2016
87 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 300/23 MSS 300/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
88 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 300/30 MSS 325/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 88 Metalcraft Roofing Structural Guide Revision April 2016
89 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 325/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation 1B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
90 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 325/15 MSS 325/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 90 Metalcraft Roofing Structural Guide Revision April 2016
91 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 350/18 MSS 350/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
92 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 350/24 MSS 350/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 92 Metalcraft Roofing Structural Guide Revision April 2016
93 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 400/20 MSS 400/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. Metalcraft Roofing Structural Guide Revision April
94 LAPPED MULTI (INTERNAL S) LOAD TABLE Uniformaly Distriuted Load MSS 400/24 MSS 400/ Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation Generally not limiting design - verify y calculation B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span w s = Uniformly distriuted serviceaility load () = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection IMPORTANT The adequacy of multispan system is very sensitive to actual applied loads. The stated loads in this tale are assumed uniform over the full purlin system. Variations in actual project design loadings over the length of the purlin system must e checked specifically y the designer to verify system adequacy. 94 Metalcraft Roofing Structural Guide Revision April 2016
95 SINGLE AXIAL LOAD TABLE MSS 150/12 MSS 150/15 MSS 150/18 MSS 150/23 Span cnuc Ne cnuc Ne 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B cnuc Ne cnuc Ne Span 0B = No races 1B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span Ne = Euler uckling load aout X-X axis () c = 0.90 Nuc = Strength resistance applied axial compression load () NOTE Bolts required to transfer purlin axial load to e determined y design engineer. Metalcraft Roofing Structural Guide Revision April
96 SINGLE AXIAL LOAD TABLE MSS 200/12 MSS 200/15 MSS 200/18 MSS 200/23 Span cnuc Ne cnuc Ne 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B cnuc Ne cnuc Ne Span 0B = No races 1B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span Ne = Euler uckling load aout X-X axis () c = 0.90 N uc = Strength resistance applied axial compression load () NOTE Bolts required to transfer purlin axial load to e determined y design engineer. 96 Metalcraft Roofing Structural Guide Revision April 2016
97 SINGLE AXIAL LOAD TABLE MSS 250/13 MSS 250/15 MSS 250/18 MSS 250/23 Span cnuc Ne cnuc Ne 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B cnuc Ne cnuc Ne Span 0B = No races 1B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span Ne = Euler uckling load aout X-X axis () c = 0.90 Nuc = Strength resistance applied axial compression load () NOTE Bolts required to transfer purlin axial load to e determined y design engineer. Metalcraft Roofing Structural Guide Revision April
98 SINGLE AXIAL LOAD TABLE MSS 275/15 MSS 275/18 MSS 300/15 MSS 300/18 Span cnuc Ne cnuc Ne 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B cnuc Ne cnuc Ne Span 0B = No races 1B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span Ne = Euler uckling load aout X-X axis () c = 0.90 N uc = Strength resistance applied axial compression load () NOTE Bolts required to transfer purlin axial load to e determined y design engineer. 98 Metalcraft Roofing Structural Guide Revision April 2016
99 SINGLE AXIAL LOAD TABLE MSS 300/23 MSS 300/30 MSS 325/15 MSS 325/18 Span cnuc Ne cnuc Ne 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B cnuc Ne cnuc Ne Span 0B = No races 1B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span Ne = Euler uckling load aout X-X axis () c = 0.90 Nuc = Strength resistance applied axial compression load () NOTE Bolts required to transfer purlin axial load to e determined y design engineer. Metalcraft Roofing Structural Guide Revision April
100 SINGLE AXIAL LOAD TABLE MSS 350/18 MS 350/23 MSS 350/24 MSS 350/30 Span cnuc Ne cnuc Ne 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B cnuc Ne cnuc Ne Span 0B = No races 1B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span Ne = Euler uckling load aout X-X axis () c = 0.90 N uc = Strength resistance applied axial compression load () NOTE Bolts required to transfer purlin axial load to e determined y design engineer. 100 Metalcraft Roofing Structural Guide Revision April 2016
101 SINGLE AXIAL LOAD TABLE MSS 400/20 MSS 400/23 MSS 400/24 MSS 400/40 Span cnuc Ne cnuc Ne 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B cnuc Ne cnuc Ne Span 0B = No races 1B = One mid span race 2B = Two equally spaced races within the span 3B = Three equally spaced races within the span Ne = Euler uckling load aout X-X axis () c = 0.90 Nuc = Strength resistance applied axial compression load () NOTE Bolts required to transfer purlin axial load to e determined y design engineer. Metalcraft Roofing Structural Guide Revision April
102
103 BRACING CONTENTS MSS PURLIN HOLE DETAILS 104 LAPPED MSS PURLINS 105 BRACING SYSTEMS 106 CAMLOCK BRACING COMPONENTS 107 STANDARD BRACING SYSTEMS 108 GP BRACKETS 109 CONTINUOUS MSS PURLINS SPLICE JOINT 110 Metalcraft Roofing Structural Guide Revision April
104 MSS PURLIN HOLE DETAILS FOR CAMLOK BRACING Slotted holes FOR STANDARD BRACING Round holes SINGLE ONE BRACE SINGLE TWO BRACE SINGLE THREE BRACE SINGLE ONE BRACES SINGLE TWO BRACES PURLIN BRACING HOLE SIZES AND CENTRES PORTAL CLEAT RECOMMENDATIONS ROUND ELONGATED ROUND ELONGATED MID CLEAT = = = 82 = JOINING CLEAT PURLIN BRACING STANDARD HOLE POSITIONS H W 38 A HOLE CENTERS D W D W PURLINS A W H Metalcraft Roofing Structural Guide Revision April 2016
105 LAPPED MSS PURLINS With Single Bracing And Bolting Procedure CAMLOK BRACING CHANNEL GABLE END RAFTER INTERNAL RAFTER PURLIN CAMLOK BRACING CHANNEL spacing PURLIN CAMLOK BRACING OR STANDARD 0.05 L 0.05 L 600 mm MIN L DOUBLE LAPPED PURLINS END 0.05 L 0.05 L 0.05 L 0.05 L 600 mm MIN 600 mm MIN L LAPPED PURLINS INTERNAL Hole positions for intermediate races as for the single span purlins CLEAT WELDED TO RAFTER 600 mm MIN SPACERS SAME THICKNESS AS CLEAT NOTE: MINIMUM BOLT SIZE M16 8.8/S FOR LAPPED PURLINS. THREADS INCLUDED IN SHEAR PLANE. Metalcraft Roofing Structural Guide Revision April
106 BRACING SYSTEMS Metalcraft has two racing systems, Camlock and Standard. All Purlins and Girts should e raced to maximise the design limit of the component. It is recommended that at least one row of racing e used on any span, particularly if temporary loads may e experienced during construction. If the racing is required to support super imposed dead loads (eg. lighting, sprinklers) specific design will e required. Camlock is a racing system that has no sag rods to place and no olts or washers to fix. This has proven to save up to 75% of time in Bracing installation, giving considerale cost advantages. Metalcraft MSS Purlin and Girt system has een designed for olting to cleats using the tales provided for hole and cleat dimensions. M12 or M16 Class 4.6 olts and washers must e used. Design Engineers should give consideration to the olt diameter, washer size and cleat material and thickness to e used also considering the reaction caused y doule or continuous spans and high loads. The racing systems are formed from galvanised Grade 250 steel. CAMLOK BRACING SYSTEM Section drawing VERTICAL EAVES PURLIN WITH BC/A1 COMBINATION BC/A1 A/BL BC/BL BC/BL BC/BL BC/A APEX ROD MSS PURLIN EAVES PURLIN CAMLOK ASSEMBLY DETAIL Section drawing RIDGE RIDGE END BRACE CAMLOK TM BRACE EAVE END BRACE EAVES BL BC BL BC A A/BL BC/BL BC/A A purlin we purlin we purlin we purlin we BC/A1 (adjustale olted) 106 Metalcraft Roofing Structural Guide Revision April 2016
107 CAMLOK TM BRACING COMPONENTS Camlok TM is not availale for MSS 350, MSS 375 and MSS Standard racing must e used for these sizes. STANDARD CAMLOK TM CLAMP BRACKET ADJUSTABLE CLAMP BRACKET Can e used in midspan CAMLOK ASSEMBLY End racket to suit purlin size APEX ROD P/NO. BC STANDARD CAMLOK TM LOCATOR BRACKET P/NO. BC1 ADJUSTABLE LOCATOR BRACKET Can e used in midspan CLAMP BC nominal purlin spacing +2m LOCATOR BL P/NO. BL P/NO. BL1 STANDARD BRACING BRACKET Used when olted connection preferred ie. to PFC supports or concrete walls ADJUSTABLE BRACING BRACKET Generally used in fascia or girt length adjustment of ±10 mm or angular of ±10 CAMLOK ADJUSTABLE ASSEMBLY Mid span adjustment nominal purlin spacing +2m LOCATOR BL1 P/NO. A P/NO. A1 CLAMP BC1 Metalcraft Roofing Structural Guide Revision April
108 STANDARD BRACING SYSTEMS Standard Bracing and Sag Rod s are fitted to alternate ays with the channel located adjacent to oth the ridge and eave purlin. Sag Rod s are availale in either 12dia or 16dia and are provided Zinc or Hot Dip Galvanized. They should e installed in the lower pre-punched fixing hole. STANDARD BRACING SYSTEM Section drawing VERTICAL EAVES PURLIN WITH A/A1 COMBINATION A/A1 A/A SAG ROD A/A SAG ROD A/A APEX ROD STANDARD BRACING COMPONENTS SAG ROD APEX ROD 2 nuts and 2 washers each end ADJUSTABLE STANDARD BRACING end racket to suit pulin size 12 or 16 dia BRACKET A nominal purlin spacing +70mm STANDARD BRACING BRACKET Used when olted connection preferred ie. to PFC supports or concrete walls ADJUSTABLE STANDARD BRACKET generally used in fascia or girt length adjustment of ±10 mm or angular of ±10 can e used midspan nominal purlin spacing -2mm BRACKET A1 nominal purlin spacing -2mm P/NO.A P/NO.A1 108 Metalcraft Roofing Structural Guide Revision April 2016
109 STANDARD BRACING SYSTEMS STANDARD BRACING SYSTEMS BRACE CHANNEL PROPERTIES Taulated section properties are ased on full unreduced sections 9.09 Y 6 Mass kg/m Weight Area mm 2 Column Properties lxx lyy Zxx 10 6 mm mm mm 3 J mm 4 lw 10 9 mm CG 89 X X BRACE CHANNEL SELECTION for MSS Purlin spacings up to m Maximum DESIGN LINEAR LOAD CAPACITY occuring on Purlin () PURLINS 1 Brace 2 Braces 3 Braces Y BRACE CHANNEL * * NOT RECOMMENDED Brace specfications outside the race channel selection guidelines will require specific design. GENERAL PURPOSE BRACKETS 37 D C B R Radius (TYP) 70 Size A B C D E Radius mm Thick E 18mm Punch Hole (TYP) A Metalcraft Roofing Structural Guide Revision April
110 CONTINUOUS MSS PURLINS SPLICE JOINT SPLICE JOINT CAPACITY DESIGN MOMENT AND SHEAR FORCE AT CENTER OF BOLT SHOULD BE LESS THAN IN TABLE BELOW. SPLICE JOINT HOLE POSTIONS MSS150, MSS 200, MSS 250 SPECIFIC DESIGN IS REQUIRED WHERE AXIAL LOAD APPLIES. CODE D x B mm BMT mm Mass kg/m MSS 150/ x MSS 150/ x MSS 150/ x MSS 250/ x MSS 250/ x MSS 250/ x MSS 250/ x MSS 275/ x MSS 275/ x MSS 300/ x MSS 300/ x MSS 300/ x MSS 300/ x MSS 300/ x MSS 325/ x MSS 325/ x MSS 350/ x MSS 350/ x MSS 350/ x MSS 350/ x MSS 400/ x MSS 400/ x MSS 400/ x MSS 400/ x M m v V v SPLICE PLATE BOLTED TO PURLINS W 6 50 X UNDER DEVELOPMENT PLEASE CONTACT X 50 MSS PURLIN MSS 150/ x M16 GRADE 4.6 HOLE POSITIONS WITH WASHERS MSS 200/ x POSITIONED UNDER BOLT HEAD MSS 200/15 AND NUT. 200 x MSS W X MSS 200/ x PURLIN (mm) (mm) METALCRAFT ROOFING MSS 200/ x MSS AUCKLAND CHRISTCHURCH MSS PURLIN MSS MSS SPLICE JOINT HOLE POSTIONS MSS 300, MSS 350, MSS 400 SPECIFIC DESIGN IS REQUIRED WHERE AXIAL LOAD APPLIES. SPLICE PLATE BOLTED TO PURLINS 50 X W HOLE POSITIONS MSS PURLIN W (mm) X X (mm) MSS MSS MSS X X 50 M16 GRADE 4.6 TO BE USED FOR MSS - BMT 1.15, 1.25, 1.45, 1.75 AND 1.95MM. WITH WASHERS POSITIONED UNDER BOLT HEAD AND NUT. M16 GRADE 8.8 TO BE USED FOR MSS -BMT 2.25, 2.4 AND MM. WITH WASHERS POSITIONED UNDER BOLT HEAD AND NUT. 110 Metalcraft Roofing Structural Guide Revision April 2016
111 CONTINUOUS MSS PURLINS SPLICE JOINT 30 MSS 150 MSS 200 MSS R5 R5 R BMT = 2.4MM GRADE 450 UNDER DEVELOPMENT 30 BMT = 2.4MM GRADE 450 PLEASE CONTACT 50 MSS 300 MSS 350 MSS BMT = 2.4MM GRADE METALCRAFT ROOFING R5 R5 R5 AUCKLAND CHRISTCHURCH 50 BMT = 3MM GRADE BMT = 3MM GRADE 450 BOLT JOINT CAPACITY 50 BMT = 3MM GRADE 450 MSS PURLIN BMT (mm) BEARING () M16 TEAROUT () M16 BOLT SHEAR BEARING () TEAROUT () NOTES Metalcraft Roofing Structural Guide Revision April
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113 MC PURLINS CONTENTS MC SECTION GEOMETRY 114 MC SECTION PROPERTIES 115 MC PURLINS GUIDE 116 SINGLE ( LOAD) 117 Metalcraft Roofing Structural Guide Revision April
114 MC SECTION GEOMETRY R B R a shear centre center of mass D W olt centres BMT X S X L CODE D x B mm BMT mm Mass kg/m Area mm 2 a mm R mm X S mm X L mm W mm MC 100/ x N/A MC 100/ x N/A MC 100/ x N/A MC 100/ x N/A MC 150/ x MC 150/ x MC 150/ x MC 150/ x MC 200/ x MC 200/ x MC 200/ x MC 250/ x MC 250/ x MC 250/ x MC 300/24(90) 300 x MC 300/24(100) 300 x MC 300/30(90) 300 x MC 300/30(100) 300 x MC 400/ x MC 400/ x Metalcraft Roofing Structural Guide Revision April 2016
115 MC SECTION PROPERTIES CODE Area mm 2 Second Moment Of Area (x10 6 mm 4 ) Section Modulus (x10 3 mm 3 ) Warping Factor (x10 9 mm 6 ) Bending Stress MPa Compression Stress MPa ᵝy (x10 6 mm 4 ) Ix Iy Zx Zy Iw FOL FOD FOL FOD MC 100/ MC 100/ MC 100/ MC 100/ MC 150/ MC 150/ MC 150/ MC 150/ MC 200/ MC 200/ MC 200/ MC 250/ MC 250/ MC 250/ MC 300/24(90) MC 300/24(100) MC 300/30(90) MC 100/30(100) MC 400/ MC 400/ Metalcraft Roofing Structural Guide Revision April
116 SINGLE MC PURLINS GUIDE LOAD TABLE Uniformaly Distriuted Load CODE D x B mm BMT mm Mass kg/m MC100/ x Span MC100/ x MC100/ x MC100/ x MC150/ x MC150/ x MC150/ x MC150/ x MC200/ x MC200/ x MC200/ x MC250/ x MC250/ x MC250/ x MC300/24(90) 300 x MC300/24(100) 300 x MC300/30(90) 300 x MC300/30(100) 300 x MC400/ x MC400/ x NOTE: This chart is for quick reference only. Each situation should e considered separately and designed using standard procedures. FOR FURTHER INFORMATION AND ORDERS CONTACT METALCRAFT ROOFING This chart is ased on simple single span conditions with criteria determined y: Wx = 1.0 1B = One mid span race 2B = = Two 0.5 equally for spaced span/150 races deflection within limit the span 3B = Three equally spaced races within the span wpurlin s spacing = Uniformly and wind distriuted zone will impact serviceaility purlin selection. load () This tale is approximately equivalent to medium wind for zone deflection with single limit span of Span/150 purlins at 1.2m c/c with light roof only. = Strength load resistance applied at the centroid () 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection 116 Metalcraft Roofing Structural Guide Revision April 2016
117 SINGLE ( LOAD) LOAD TABLE Uniformaly Distriuted Load LOAD TABLE Uniformaly Distriuted Load Span MC 100/10 MC 100/12 MC 100/16 MC 100/19 Wu ws Wu ws Wu ws Wu 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B ws Span Ms m Ms m v V v v V v 1B 0B = One No races mid span race 2B 1B = Two One mid equally span spaced race races within the span 3B 2B = Three Two equally spaced races within the the span w3b s w s = = Uniformly Three equally distriuted spaced serviceaility races within load the span () Uniformly deflection distriuted limit of Span/150 serviceaility load () = = for Strength deflection load limit resistance of Span/150 applied at the Strength centroid () load resistance applied at the 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection Metalcraft Roofing Structural Guide Revision April
118 SINGLE ( LOAD) LOAD TABLE Uniformaly Distriuted Load LOAD TABLE Uniformaly Distriuted Load Span MC 150/12 MC 150/15 MC 150/19 MC 150/24 Wu ws Wu ws Wu ws Wu 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B ws Span Ms m Ms m v V v v V v 1B 0B = One No races mid span race 2B 1B = Two One mid equally span spaced race races within the span 3B 2B = Three Two equally spaced races within within the the span span w3b s = Uniformly Three equally distriuted spaced serviceaility races within load the span () w s = Uniformly deflection distriuted limit of Span/150 serviceaility load () = = for Strength deflection load limit resistance of Span/150 applied at the Strength centroid () load resistance applied at the 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection 118 Metalcraft Roofing Structural Guide Revision April 2016
119 SINGLE ( LOAD) LOAD TABLE Uniformaly Distriuted Load LOAD TABLE Uniformaly Distriuted Load Span MC 200/15 MC 200/19 MC 200/24 MC 250/15 Wu ws Wu ws Wu ws Wu 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B ws Span Ms m Ms m v V v v V v 1B 0B = One No races mid span race 2B 1B = Two One mid equally span spaced race races within the span 3B 2B = Three Two equally spaced races within the the span w3b s w s = = Uniformly Three equally distriuted spaced serviceaility races within load the span () Uniformly deflection distriuted limit of Span/150 serviceaility load () = = for Strength deflection load limit resistance of Span/150 applied at the Strength centroid () load resistance applied at the 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection Metalcraft Roofing Structural Guide Revision April
120 SINGLE ( LOAD) LOAD TABLE Uniformaly Distriuted Load LOAD TABLE Uniformaly Distriuted Load Span MC 250/19 MC 250/24 MC 300/24 (90) MC 300/24 (100) Wu ws Wu ws Wu ws Wu 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B ws Span Ms m Ms m v V v v V v 1B 0B = One No races mid span race 2B 1B = Two One mid equally span spaced race races within the span 3B 2B = Three Two equally spaced races within within the the span span w3b s = Uniformly Three equally distriuted spaced serviceaility races within load the span () w s = Uniformly deflection distriuted limit of Span/150 serviceaility load () = = for Strength deflection load limit resistance of Span/150 applied at the Strength centroid () load resistance applied at the 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection 120 Metalcraft Roofing Structural Guide Revision April 2016
121 SINGLE ( LOAD) LOAD TABLE Uniformaly Distriuted Load LOAD TABLE Uniformaly Distriuted Load Span MC 300/30 (90) MC 300/30 (100) MC 400/24 MC400/30 Wu ws Wu ws Wu ws Wu 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B 0 1B 2B 3B ws Span Ms m Ms m v V v v V v 1B 0B = One No races mid span race 2B 1B = Two One mid equally span spaced race races within the span 3B 2B = Three Two equally spaced races within the the span w3b s w s = = Uniformly Three equally distriuted spaced serviceaility races within load the span () Uniformly deflection distriuted limit of Span/150 serviceaility load () = = for Strength deflection load limit resistance of Span/150 applied at the Strength centroid () load resistance applied at the 2-M12 Grade 4.6 olts per connection 2-M12 Grade 8.8 olts per connection 2-M16 Grade 4.6 olts per connection 2-M16 Grade 8.8 olts per connection Metalcraft Roofing Structural Guide Revision April
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123 MS TOPHATS CONTENTS MS TOPHATS DESIGN GUIDE 124 MS TOPHATS GUIDE 125 SINGLE (MS TOPHAT) 126 LAPPED (MS TOPHAT) 128 MS TOPHATS SECTION 130 MS TOPHATS FLOOR JOIST S 131 Metalcraft Roofing Structural Guide Revision April
124 MS TOPHATS DESIGN GUIDE INTRODUCTION MS Tophat can e used for roof purlins, wall girts and floor joists, and are an economic option for these and other applications including carports and fencing. They are an economical alternative to timer and C section purlins for spans up to 7 meters. Easy to use they fasten directly to their supports which eliminates the requirements for cleats. Being symmetrical there is no requirements for races or nogs to prevent twisting and allows the profile to e easily lapped for maximum performance.ms Tophats are manufactured from high strength galvanised steel coil, the Z275 min coating provides good protection in mostexposed internal environments. Consideration should e given when used in a lined exterior dwelling; thermal reaks are required etween the tophat and cladding to avoid thermal ridging. Contact with materials not compatile with zinc should e avoided.ms Tophats comply with the New Zealand Building Code, and are designed to AS/NZS 4600: 1996 Cold formed steel structures. HANDLING AND STORAGE Care should e taken to ensure MS Tophats are kept dry during transportation and storage. The presence of water etween the stacked sections will create premature corrosion, it is recommended the tophats are separated and dried if this situation occurs. Cutting if required should e done with hacksaws or snips, use of arasive disc lades is not recommended. PURLIN & GIRT Metalcraft Roofing manufactures MS Tophats, which can e used as Purlins and Girts, for the New Zealand construction market. MS Tophats are cut to length and are availale in a range of sizes and gauges to suit a variety of applications. The MS Tophats are manufactured from high tensile Z275 galvanised coil in accordance with AS1397. MS Tophats are an economical alternative to C shaped purlins and girts as well as timer forspans up to 7 metres. For more information on MS Tophats contact your local Metalcraft Roofing Branch. FLOOR JOISTS Metalcraft Roofing MS Tophats can e used in a variety of applications, one of those eing as a floor joist. For further information on MS Tophats eing used in this way please contact your local Metalcraft Roofing Branch. DISCLAIMER This pulication is intended to provide accurate information to the est of our knowledge in regards to MS Tophats Sections. It does not constitute a complete description of the goods nor an express statement aout their suitaility for any particular purpose. All data is provided as a guide only and Metalcraft Roofing do not accept any liaility for loss or damage suffered from the use of this data. 124 Metalcraft Roofing Structural Guide Revision April 2016
125 MS TOPHATS GUIDE Tophat Purlin Mass kg/m Spacing x 0.75 BMT 60 x 0.95 BMT 100 x 0.75 BMT 100 x 0.95 BMT 120 x 0.75 BMT 120 x 0.95 BMT 150 x 0.95 BMT 150 x 1.15 BMT NOTE: This chart is for quick reference only. Each situation should e considered separately and designed using standard procedures. FOR FURTHER INFORMATION AND ORDERS CONTACT METALCRAFT STRUCTURAL OR ROOFING Simple Spans Lapped Spans Metalcraft Roofing Structural Guide Revision April
126 SINGLE (MS TOPHAT) LOAD TABLE Uniformaly Distriuted Load wu () Span 60 x x x x x 0.75 Load Inward Outward Defl Inward Outward Defl Inward Outward Defl Inward Outward Defl Inward Outward Defl Fixings Steel/ Timer Cold Formed 2/12 g 4/12 g/1.2 mm 2/12 g 4/12 g/1.2 mm 4/12 g 4/12 g/1.5 mm 4/12 g 6/12 g/1.5 mm 4/14 g 6/14 g/1.5 mm Steel/Timer Fixings = Numer and gauge of Tek screws fixing to G300 hot rolled steel a minimum of 3mm thick or type T17 tek screws a minimum of 37mm into timer. Cold Formed Fixings = Numer and gauge of screws and minimum thickness of G450 cold formed support memer. W s = Uniformly distriuted serviceaility load () for deflection limit of Span/150. = DependaleStrength load resistance applied at the centroid () Outward Loads = Must e adjusted if support memer thickness or grades are lower. The aove loads assume the Top Flange is fully restained y the sheeting. 126 Metalcraft Roofing Structural Guide Revision April 2016
127 SINGLE (MS TOPHAT) LOAD TABLE Uniformaly Distriuted Load wu () Span 120 x x x x 1.55 Load Inward Outward Defl Inward Outward Defl Inward Outward Defl Inward Outward Defl Fixings Steel/ Timer Cold Formed 2/14 g 2/14 g/1.5 mm 2/14 g 2/14 g/1.5 mm 2/14 g 2/14 g/1.5 mm 2/12 g 4/12 g/1.5 mm Steel/Timer Fixings = Numer and gauge of Tek screws fixing to G300 hot rolled steel a minimum of 3mm thick or type T17 tek screws a minimum of 37mm into timer. Cold Formed Fixings = Numer and gauge of screws and minimum thickness of G450 cold formed support memer. Outward Loads = Must e adjusted if support memer thickness or grades are lower. The aove loads assume the Top Flange is fully restained y the sheeting. W s = Uniformly distriuted serviceaility load () for deflection limit of Span/150. = DependaleStrength load resistance applied at the centroid () Metalcraft Roofing Structural Guide Revision April
128 LAPPED (MS TOPHAT) LOAD TABLE Uniformaly Distriuted Load wu () Span 60 x x x x x 0.75 Load Inward Outward Defl Inward Outward Defl Inward Outward Defl Inward Outward Defl Inward Outward Defl Fixings Steel/ Timer Cold Formed 2/12 g 4/12 g/1.2 mm 2/12 g 4/12 g/1.2 mm 4/12 g 4/12 g/1.5 mm 4/12 g 6/12 g/1.5 mm 4/14 g 6/14 g/1.5 mm Steel/Timer Fixings = Numer and gauge of Tek screws fixing to G300 hot rolled steel a minimum of 3mm thick or type T17 tek screws a minimum of 37mm into timer. Cold Formed Fixings = Numer and gauge of screws and minimum thickness of G450 cold formed support memer. W s = Uniformly distriuted serviceaility load () for deflection limit of Span/150. = DependaleStrength load resistance applied at the centroid () Outward Loads = Must e adjusted if support memer thickness or grades are lower. The aove loads assume the Top Flange is fully restained y the sheeting. 128 Metalcraft Roofing Structural Guide Revision April 2016
129 LAPPED (MS TOPHAT) LOAD TABLE Uniformaly Distriuted Load wu () 120 x x x x 1.55 Span u u u Outward Outward Load Inward Outward Defl Inward Outward Defl Inward Outward Defl Inward Steel/ Cold Defl Timer Formed Fixings Steel/ Timer Cold Formed 4/14 g 6/14 g/1.5 mm 4/14 g 6/14 g/1.5 mm 6/14 g 8/14 g/1.5 mm 6/12 g 8/14 g/1.5 mm Steel/Timer Fixings = Numer and gauge of Tek screws fixing to G300 hot rolled steel a minimum of 3mm thick or type T17 tek screws a minimum of 37mm into timer. Cold Formed Fixings = Numer and gauge of screws and minimum thickness of G450 cold formed support memer. Outward Loads = Must e adjusted if support memer thickness or grades are lower. The aove loads assume the Top Flange is fully restained y the sheeting. W s = Uniformly distriuted serviceaility load () for deflection limit of Span/150. = DependaleStrength load resistance applied at the centroid () Metalcraft Roofing Structural Guide Revision April
130 MS TOPHATS SECTION MS TOPHATS SECTION GEOMETRY Y O SHEAR CENTRE 43 Y O FLANGE (CROWN) 32 SHEAR CENTRE Y C R3(TYP) Y C FLANGE (FOOT) WEB (LEG) 60 R3(TYP) CENTROID CENTROID 45º CENTROID MS 60 TOPHATS MS 100 TOPHATS SHEAR CENTRE Y O SHEAR CENTRE 43 Y O Y C 3 5 Y C R3(TYP) CENTROID CENTROID R3(TYP) R3(TYP) MS 120 TOPHATS MS 150 TOPHATS MS TOPHATS SECTION PROPERTIES CODE Thickness Area Mass Second Moment Area (Full) Section Modulus (BMT) mm mm 2 kg/m Ix 10 2 mm 4 Iy 10 6 mm 4 Zx 10 3 mm 3 Zy 10 3 mm 3 rx mm Radius Of Gyration r y mm Centre Of Gravity Y c mm Shear Centre Y o mm Constant Torsion Constant Warping J mm 4 Mono- Symmetry Constant Iw 10 9 mm 6 ßx mm 60 x 0.75 BMT x 0.95 BMT x 0.75 BMT x 0.95 BMT x 0.75 BMT x 0.95 BMT x 0.95 BMT x 1.15 BMT x 1.55 BMT Metalcraft Roofing Structural Guide Revision April 2016
131 MS TOPHATS FLOOR JOIST S Spacing CODE Single Doule Single Doule Single Doule 60 x 0.75 BMT x 0.95 BMT x 0.75 BMT x 0.95 BMT x 0.75 BMT x 0.95 BMT x 0.95 BMT x 1.15 BMT x 1.55 BMT Spans are ased on limited floor virations and are capale of carrying liveloads of at least 4kPa SINGLE AND DOUBLE CORRECT Tophat Fixing FIXING SUPPORT DETAIL TYPICAL FIXING LAPPED SECTION Lap (15% of span minimum) 25mm (approx.) 60 MS TOPHAT WRONG Tophat Fixing Lap (15% of span minimum) 25mm (approx.) 100/120/150 MS TOPHAT TIMBER/STEEL TYPICAL SCREWED FIXINGS COLD FORMED TYPICAL SCREWED FIXINGS Steel/Timer and Cold Formed STRAPPED FIXING Screw each side Refer tales for specific fixing requirements Screws each side Refer tales for specific fixing requirements FIXING DETAILS & ASSEMBLY EXAMPLES 2 x 14g 10 x 20 fasteners each side of strap Fasten strap to we of support each side Total 4 fastenings Metalcraft Roofing Structural Guide Revision April
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