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Turner OCTO

Assembly Guide

T: +44 (0) 141 309 5555 F: +44 (0) 141 309 5436 www.turner-octo.com

Section 1 Page 1

TA3/01/50/01_Iss1Rev3

Rev.No.Jan17/Rev3

Assembly Guide

©Turner Access Ltd

65 Craigton Road, Glasgow, G51 3EQ, Scotland

SECTION 1.

Summary of Contents for OCTO

Page 1: ...ssembly Guide T 44 0 141 309 5555 F 44 0 141 309 5436 www turner octo com Section 1 Page 1 TA3 01 50 01_Iss1Rev3 Rev No Jan17 Rev3 Assembly Guide Turner Access Ltd 65 Craigton Road Glasgow G51 3EQ Scotland SECTION 1 ...

Page 2: ... 11 1 4 1 General Safety Notes 11 1 4 2 GuardAid 12 i User Instructions 12 ii Wall Scaffold Assembly Procedure using GuardAid 15 1 4 3 FallArrest 23 1 5 Assembly Procedures for Turner OCTO System Scaffolds 24 1 5 1 Tied Wall Scaffold 25 i Fully Boarded 25 ii Top Lift 29 iii Corner Returns 30 1 5 2 Independent Towers 34 i Fully Boarded 34 ii Top Lift 35 iii Mobile 36 iv Inspection Maintenance Guida...

Page 3: ...dedScaffolds 51 1 5 8 Pre Scaffold Handover Inspection 53 1 5 9 Maintenance 53 1 5 10 Dismantling Procedure 54 1 6 Anchoring 55 1 6 1 Tie Patterns for unclad scaffolds 55 1 6 2 Tie Loads 56 1 7 Maximum Heights 57 1 7 1 Assembly Criteria Unclad Tied Wall Scaffold Examples 58 1 7 2 Maximum Heights Unclad Tied Scaffolds Foot Tied with Horizontal 59 1 7 3 Maximum Heights Unclad Tied Scaffolds Foot Tie...

Page 4: ... Heights page 57 This Assembly Guide should be used in conjunction with a suitable Risk Assessment and Method Statement by user relative to the project to be undertaken It must be noted that all employers have a responsibility to ensure that work methods practices and adequate facilities resources including work equipment are provided to eliminate or minimise risks in accordance with current legis...

Page 5: ...sary components and safety equipment are available and operational Each component should be visually inspected prior to use and should be free from defects Steel components should be straight with no sign of corrosion cracks or splits that would impair strength or safety Deck locks should be in good working order hooks should be free of cracks and corrosion and bolts should be tight and locking nu...

Page 6: ...r to the Turner OCTO Component Identification Guide 1 3 1 Basic Components No Component Details 1 Adjustable Base Jack Enables adjustment up to 500mm 2 Standard Sizes 4m 3m 2m 1m 0 5m 3 Bracing Guardrail Sizes 3 5m 2 5m 1 75m 1 25m 1m 0 7m 4 Horizontal Sizes 3 5m 2 5m 1 75m 1 25m 1m 0 7m 5 Deck Sizes 3 5m 2 5m 1 75m 1 25m 1m 0 7m 6 Ladder Access Deck Sizes 3 5m 2 5m 7 Alloy Stair Stair access betw...

Page 7: ...rd are not level and plumb the Wedge may be difficult to drive 1 Turn the Horizontal upside down at an angle of approx 45 and shake 2 The Wedge and Saddle will then automatically fall back into the preset position 4 Slide the Saddle over to the Standard 7 To de mount Horizontal drive Wedge vertically upwards to loosen 8 Lift the Wedge clear slide Saddle backwards and lift Horizontal from cup Wedge...

Page 8: ...Hint Tap lower hook with hammer to ensure that it is properly located in cup 3 Lift Wedge clear of ledge within the Guardrail to the Vertical position and allow to drop and loosely engage Guardrails Decks 2 Ensuring that Deck fits correctly in bay to be decked out and there is no movement in the Deck lock in position 1 Push Deck from below and through bay then slide back along bay until the hooks ...

Page 9: ... to Sections 1 4 1 General Safety Notes and 1 5 Assembly Procedures 0 7m External Stairway Access 2 5m bay SECTION 1 3 Components 1 Assemble 0 7m wide bay to external face of facade scaffold Fit Guardrail Post and 1 75m Bracing Guardrail to allow walk off from Stair unit when fitted 2 Continue to assemble next lift and fit Stair unit to 2nd lift 3 Fit Guardrail Post and 1 75m Bracing Guardrail to ...

Page 10: ...sgow G51 3EQ Scotland Section 1 Page 10 TA3 01 50 01_Iss1Rev3 Rev No Jan17 Rev3 SECTION 1 3 Components 0 7m External Stairway Access 3 5m bay Ladder Access 1 25m External Stairway Access 2 5m bay Internal Ladder Access with Hatches External Ladder Access with Hatches ...

Page 11: ...usion Zone and fit Warning Signs to comply with current legislation Before assembling the scaffold structure check that the location for the structure does not present any hazards during assembly dismantling moving and safe working with respect to ground conditions level and slope and obstructions Ensure the scaffolding is to be assembled on suitable foundations capable of withstanding the loads i...

Page 12: ...es existing components to be utilised as integral advance guardrails This is achieved by combining a sequence of steps holding securing guiding and then enabling automatic positioning fixing and locking the existing scaffold component Detail A GuardAid Positional Tool Head To use the GuardAid Positional Tool safely each guardrail component can be lifted into position by two operatives one at each ...

Page 13: ... B Detail B GuardAid Positional Tool Head Detail B Should the scaffold standards be slightly off the plumb then one operative should locate one end of the guardrail into position and locate in cups allowing wedge to drop and become loosely engaged This operative can then assist in locating the opposite end of guardrail by using the Standard cup hook of the GuardAid Tool pulling the standard to the...

Page 14: ... 5 Guardrail loosely engaged Locking Pin for Guardrail Wedge To de mount the scaffold guardrails each operative must ensure that the GuardAid Positional Tool is located correctly in the guardrail prior to it being removed Guardrail Wedge Release Detail C Detail C De Mounting Guardrail using GuardAid Positional Tool Lift the wedge clear and rest the wedge on inner ledge within the guardrail and the...

Page 15: ... fix transom to bottom cup 4 Place appropriate inner Standard and connect transom between Standards ii Wall Scaffold Assembly Procedure using GuardAid This section shows the assembly procedure for a fully boarded tied wall scaffold using the GuardAid Positioning Tool Turner s recommended system of work for safe scaffold assembly dismantle and alteration Priortothecommencementofanyscaffoldingoperat...

Page 16: ... place a Deck in the bay to assist in squaring the bay Place an appropriate sized Deck in the bay against the inside Horizontal it should be parallel If required make any adjustments and repeat as necessary 7 Fix required Bracing Guardrail to outer Standard and leave to hang in direction of length of scaffold 8 Place next Standard on Jack set to minimum height lift into position and connect Guardr...

Page 17: ...lift into position and connect transom 10 Fix ledger to inner Standards bottom cup and level Level along transom Repeat steps 7 to 10 until the desired base length is complete Note Ensure that the entire base is level and square This will assist greatly throughout the assembly of the remainder of the structure 11 Add additional and appropriate Standards on top of outer Standards SECTION 1 4 Safety...

Page 18: ... cups immediately above existing base Guardrails 13 Using GuardAid Positional Tool raise temporary Guardrails placed at step 12 into position to suit next lift platform and fix in position 14 Continue to raise Guardrails from temporary location into appropriate position to suit first lift platform using GuardAid until entire next lift Guardrails are affixed SECTION 1 4 Safety Information ...

Page 19: ...til the lift is complete ensuring that locks on each end of each Deck are in the locked position Note Place ladder access unit in one of the bays to allow access to next lift 15 Fix transoms at first lift level normally 4th cup 17 Utilising ladder access unit access can be gained to Deck level and fix Toeboards in place Note Ensure that trapdoor is closed when working on Deck SECTION 1 4 Safety In...

Page 20: ...diately above existing Deck Guardrails and engage Wedge 19 Using GuardAid Positional Tool raise temporary Guardrails step 18 into position to suit next deck lift and fix in position 20 Continue to raise Guardrails into appropriate position using GuardAid until entire next lift Guardrails are affixed 21 Fix transoms at first lift level normally 4th cup from lower deck SECTION 1 4 Safety Information...

Page 21: ...llow access to next lift 23 Utilising ladder access unit access can be gained to Deck level and fix Toeboards in place Note Ensure that trapdoor is closed when working on platform 24 Add additional and appropriate Standards on top of inner and outer Standards if required 25 Place next lift Guardrails temporarily in cups immediately above existing deck Guardrails and engage Wedge 26 Using GuardAid ...

Page 22: ...4th cup from lower platform 29 Select appropriate Decks and deck out transoms from below until the lift is complete ensuring that locks on each end of each Deck are in the locked position Note Place ladder access unit in one of the bays to allow access to next lift 30 Utilising ladder access unit access can be gained to deck level and fix Toeboards in place Note Ensure that trapdoor is closed when...

Page 23: ...d Only use the specified attachment points At no point in the installation should you attach the lanyard to Guardrails or Horizontals The positions indicated below are shown and numbered for maximum resistance against fall Connections 1 6 On the vertical Standard directly above the decked level on the inside or outside face of the scaffold 7 9 On the vertical Standard 1 0m above the deck 2nd cup a...

Page 24: ... Zones and fit Warning Signs prior to scaffold assembly Ensure the scaffolding is to be assembled on suitable foundations capable of withstanding the loads imposed by the scaffolding and where appropriate adequate base boards to be provided Where the foundation is a soft ground the soil should be excavated to a firm base or alternatively a larger base board used On sloping ground steps should be c...

Page 25: ... transom Horizontal in lowest cups 3 Position next pair of Jacks and place Standard on outerJack connect Bracing Guardrail and fix transom to bottom cup 4 Place appropriate inner Standard and connect transom between Standards 5 Fit Horizontal ledger between the inner Standards along length of bay in bottom cups 6 Check levels along 1st transom ledger and finally 2nd transom and check that bay is s...

Page 26: ... in direction of length of scaffold 8 Place next Standard on Jack set to minimum height lift into position and connect Guardrail Adjust Jack to seat under Standard 9 Fix transom to outer Standard then place inner Standard on Jack lift into position and connect transom 10 Fix ledger to inner Standards bottom cup and level Level along transom Repeat steps 7 to 10 until the desired base length is com...

Page 27: ...s unit is situated in one of the bays to allow access to next lift Note Ensure that the entire base is level and square before proceeding with first lift height 13 Add additional and appropriate sized Standards on top of the existing outer Standards as necessary to allow placing of the next lift of scaffolding 14 Repeat placement of appropriate sized Decks Bracing Guardrails Horizontals and ladder...

Page 28: ...Q Scotland Section 1 Page 28 TA3 01 50 01_Iss1Rev3 Rev No Jan17 Rev3 16 Repeat sequence until desired height is reached 15 Position inner Standards as necessary and continue to next lift 17 Fit Toeboards to each working lift 18 Completed scaffold SECTION 1 5 Assembly Procedures ...

Page 29: ...ess bay prior to removing Decks Prior to the commencement of any scaffolding operations please refer to Sections 1 4 1 General Safety Notes and 1 5 Assembly Procedures To assemble top lift only scaffolds simply remove Decks from the bays that do not require to have a working platform below the top lift leaving ladder access bay in place 2 Remove Decks from the remaining bays from below 3 Fit Toebo...

Page 30: ...Internal Construction of the scaffold structure with corner returns should begin at a corner of the building allowing for either corner return options 1 to 3 to be built correctly Option 4 return may be required in a corner to complete the scaffold run Option 1 3 Legged Return External Internal Constructed using 3 legs built from base level SECTION 1 5 Assembly Procedures ...

Page 31: ...31 TA3 01 50 01_Iss1Rev3 Rev No Jan17 Rev3 Option 2 4 Legged core Return Built from a complete bay of scaffold where inside Standard is placed at corner and a run of scaffold is constructed in both direction away from the corner along the building façade External Internal SECTION 1 5 Assembly Procedures ...

Page 32: ...side boards Two runs of scaffolding linked by a bay at the corner identical in size to the inside boards allowing for Decks to be placed from the bay in one direction and placed on inside Cantilever Brackets in the other direction This allows for movement of the inside boards without interfering with the scaffold construction External Internal SECTION 1 5 Assembly Procedures ...

Page 33: ...ns as shown previously Therefore it is necessary to let one scaffold fly by the other to maintain scaffold run platform width It will be necessary to close the gap with handrailing and Toeboards to protect users In all cases ensure that Bracing Guardrails are fitted on inside faces of the scaffold structure if the gap between the building and the scaffold structure exceeds 225mm or local regulatio...

Page 34: ...ied Wall Scaffold Fully Boarded steps 1 to 11 Note Ensure that the entire base is level and square before proceeding with first lift height 2 Place appropriate sized Decks incl ladder unit to one side of tower Bracing Guardrails and all Horizontals to complete first lift safely 3 Add additional and appropriate sized Standards on top of existing Standards to allow placing of the next lift of scaffo...

Page 35: ...olding operations please refer to Sections 1 4 1 General Safety Notes and 1 5 Assembly Procedures 1 Add Bracing Guardrails between outer and inner Standards to provide protection to the ladder access bay prior to removing decks 2 Using Bracing Guardrail to Bracing Guardrail Connector component close off ladder access units leaving them safe to use 3 Fit toeboards SECTION 1 5 Assembly Procedures ...

Page 36: ...ceed using steps 2 6 on Page 34 1 Position four Castor Wheel Jacks and four Horizontals to approximate starting position of first bay 2 Ensure wheels are locked then place first Standard on Jack and connect Horizontal in lowest cup 4 Place third Standard on Jack and connect third Horizontal in lowest cup 3 Place second Standard on Jack and connect second Horizontal in lowest cup 5 Continue until a...

Page 37: ...irmed then temporary guardrails have to be placed in position to protect those on board when the structure is moved It is absolutely necessary to ensure that brake locks are in the off position during all movements of the structure to avoid unnecessary damage occurring to the Castor wheel and Jack arrangements or flat spots appearing on the wheel When the structure has been successfully moved to i...

Page 38: ...ry by the Client that personnel are required to be stationed on board the structure to provide guidance whilst it is being moved then the following checks are to be included Design check has been requested Temporary guardrails are in position All brake locks are off prior to and during all movements of structure All brake locks are on when structure is stationary and in required position location ...

Page 39: ... please refer to Sections 1 4 1 General Safety Notes and 1 5 Assembly Procedures 1 Base out structure according to base out procedure in Section 1 5 1 Tied Wall Scaffold Fully Boarded steps 1 to 11 Note Ensure that the entire base is level and square before proceeding with first lift height It may be advantageous to fit temporary bracing guardrails to determine the positioning of second structure ...

Page 40: ...s between outer and inner Standards to provide protection to the ladder access bay prior to removing Decks Remove Decks from the remaining bays from below Fit Toeboards i Linked Birdcage Birdcage scaffolds can also be constructed by linking 2 runs of scaffolding using Bracing Guardrails as the assembly procedure progresses until final lift height is achieved and the full platform is completed The ...

Page 41: ...h first lift height It may be advantageous to fit temporary Bracing Guardrails to determine the positioning of second structure and to assist in levelling overall structure To assemble top lift only birdcage scaffolds remove Decks from the bays that do not require a working platform below the top lift leaving ladder access bay in place Add Bracing Guardrails between outer and inner Standards to pr...

Page 42: ...rior to the commencement of any scaffolding operations please refer to Sections 1 4 1 General Safety Notes and 1 5 Assembly Procedures For freestanding structures ensure all standards are pinned using Standard Pins 1 Base out wall scaffold to 1st lift height according to base out procedure in Section 1 5 1 Tied Wall Scaffold Fully Boarded steps 1 to 11 2 Determine correct positioning for buttress ...

Page 43: ...ls and all Horizontals to complete first lift safely 6 Add additional and appropriate sized Standards on top of existing Standards to allow placing of next lift of scaffolding 7 Fix bracing guardrails and plan bracing from buttress standard to tie back to wall scaffold and affix to wall scaffold in cup 8 Repeat placement of appropriate sized Decks ladder access Bracing Guardrails and Horizontals t...

Page 44: ...or netted if there is enough space to provide a full buttress will the structure be exposed to wind or other such important factors then the structure may require additional stability measures ballast to be employed and should therefore be designed prior to any works commencing The following examples are illustrative only and may be subject to specific design criteria SECTION 1 5 Assembly Procedur...

Page 45: ... steps 1 to 11 Note Ensure that the entire base is level and square before proceeding with first lift height 2 Place appropriate sized Decks Bracing Guardrails Horizontals and Cantilever Brackets to complete first lift safely Ensure that ladder access unit is situated in one of the bays to allow access to next lift 3 Add additional and appropriate sized Standards on top of the existing outer Stand...

Page 46: ...No Jan17 Rev3 SECTION 1 5 Assembly Procedures 7 Fit Toeboards to each working lift ends at additional inside cantilver brackets 6 Repeat sequence until desired height is reached 5 Position inner Standards as necessary and continue to next lift 8 Completed scaffold Tied Wall Scaffold with Bridge Example of Cantilever Brackets in use ...

Page 47: ...e the gap between the scaffold structure and the building They may also be used in some instances as hop up brackets and moved as works progress Cantilever brackets with cup 0 50m to 1 25m can be used to the inside outside or end faces of the scaffold structure Additional scaffold materials can be built from this cantilever bracket in accordance with design useful in bridging over lower level proj...

Page 48: ...cup then the bracket should be located 0 5m 1 cup in normal circumstances below the platform level to allow diagonal face braces to be fitted as a raker Additional Horizontals transoms must be fitted below the existing platform adjacent to the cantilever bracket and also at the lift below where the diagonal face brace fits in the cup Note When using this arrangement refer to design SECTION 1 5 Ass...

Page 49: ...ture according to base out procedure in Section 1 5 1 Tied Wall Scaffold Fully Boarded steps 1 to 11 2 Ensure that the inside Horizontals ledgers have free passage and do not foul the structure 3 Place appropriate sized Decks Bracing Guardrails and Horizontals in the towers including a ladder access unit in at least one tower and link between the towers in accordance with the design ensuring Braci...

Page 50: ...51 3EQ Scotland Section 1 Page 50 TA3 01 50 01_Iss1Rev3 Rev No Jan17 Rev3 4 Repeat placement of appropriate sized Decks ladder access units Bracing Guardrails and Horizontals to complete subsequent lifts 6 Completed Scaffold 5 Fit Toeboards SECTION 1 5 Assembly Procedures ...

Page 51: ...ation of that design prior to scaffolding works commencing Note When constructing a hanging scaffold structure you MUST pin the standards using high tensile M16 Nuts and Bolts 2 Fit connecting Horizontals transoms from tower structure to allow connection of hanging Standards 3 Fit Guardrails and Horizontals ledgers and tie Standards back to the tower structure using diagonal face braces ensuring a...

Page 52: ...s Cantilever Brackets and Decks 6 Tie outside Standards back to tower structure using diagonal face braces 7 Fit hanging Standards to complete the bay and pin using high tensile M16 Nuts and Bolts 8 Fit appropriate Bracing Guardrails Horizontals and Decks to complete bay Ensure that a ladder access unit is fitted to gain access to lower level 9 Fit Toeboards 10 Complete Scaffold SECTION 1 5 Assemb...

Page 53: ...hould be regularly inspected at least once per week and recorded in accordance with current legislation The statutory regulations of each state or country should be observed and or the type of work to be carried out on the scaffolding or the environment in which the scaffolding is to be used or the position if moved may also determine the frequency of inspections required However it is good safety...

Page 54: ...eated by the user that may not be listed on the Risk Assessment Such hazards may include Debris left on the scaffold Overhead wires on or touching the scaffold Obvious removal of scaffold ties check number of ties fitted on Hand Over Certificate to assist in determining whether ties may have been removed Removal of structurally important components e g Decks and Bracing Guardrails This list is not...

Page 55: ...cept where platform is greater than 1500mm from eaves End ties to be tied at maximum 4000mm crs All ties to be within 300mm of standard transom joint Good practice is to fix all ties to inner and outer standards A minimum requirement is for all end ties to be fixed to inner and outer standards and other ties fixed to inner standard only Denotes Tie Location 3500 max 3500 3500 3500 3500 2000 2000 2...

Page 56: ...rom sea INTERIOR Any Internal standards 5 7 5 6 300m land altitude TOP Top platform level 2 0m from eaves of building 3 0 3 0 Open Country TOP II Top platform level 2 0m from eaves of building 5 6 5 5 BS 6999 2 EDGE End standards 2 0m from edge of building 4 3 3 9 West of Scotland EDGE II End standards 2 0m from edge of building 8 4 7 7 Distance 100m from sea INTERIOR Any Internal standards 7 6 7 ...

Page 57: ...500mm TRANSOMS Max Height to first transom 800mm 800mm 2700mm Max Subsequent vertical spacing 2000mm 2000mm 2000mm LEDGERS Inside Face Horizontal Spacing In End Bays minimum every 2nd Bay Max Height to first ledger 800mm 800mm 800mm Max Subsequent vert spacing 2000mm 2000mm 2000mm Ledgers not required where locked Turner System decks are in place GUARDRAILS Outside Face Horizontal Spacing In End B...

Page 58: ...n 24m it is noted that the Max Height to Platform is 24 0m LIVE LOAD The loading configurations are in accordance with BS EN 12811 1 2003 6 1 3 Load Classes See Turner Fabrication interpretation of Load Class Table below LOAD CLASS DUTY UDL ON PLATFORM kN m2 MAX NUMBER OF PLATFORMS IN USE UDL KN M2 1 Inspection Very Light Duty 0 75 1 100 0 75 1 50 0 375 2 Light Duty 1 50 1 100 1 50 1 50 0 75 3 Gen...

Page 59: ...rawing 3 LEG LOADS Max Height to Platform m Outer kN Inner kN 34 4 34 11 24 Based on 3 5m bay lengths Tie pattern arrangement shown separately Scaffolds other than those noted in System Configurations BS EN 12810 1 2003 7 2 require design Height restricted to 24m Leg Loads given for maximum height achieved in this configuration Load Class to BS EN 12811 1 3 Drawing 2 LEG LOADS Max Height to Platfo...

Page 60: ... lengths Tie pattern arrangement shown separately Scaffolds other than those noted in System Configurations BS EN 12810 1 2003 7 2 require design Height restricted to 24m Leg Loads given for maximum height achieved in this configuration 1000 CB060 1000 1 2 3 Drawing 3 LEG LOADS Max Height to Platform m Outer kN Inner kN 39 64 38 95 24 Load Class to BS EN 12811 1 3 Drawing 2 LEG LOADS Max Height to...

Page 61: ...s Tie pattern arrangement shown separately Scaffolds other than those noted in System Configurations BS EN 12810 1 2003 7 2 require design Height restricted to 24m Leg Loads given for maximum height achieved in this configuration First lift restricted to 1kN per m2 Drawing 3 LEG LOADS Max Height to Platform m Outer kN Inner kN 20 7 19 91 24 Load Class to BS EN 12811 1 3 Drawing 2 LEG LOADS Max Hei...

Page 62: ...to minimise the area required for storage Sample loads for the Transportation Rack Item Approx No per Rack S400 to S125 Standards 4 00 m to 1 25 m 75 S100 S100FT Standards 1 00 m Standards 1 00 m with flush top 150 S050 Standards 0 50 m 225 BG350 to BG125 Bracing Guardrails 3 50 m to 1 25 m 25 BG100 to BG070 Bracing Guardrails 1 00 m to 0 70 m 50 BG050 Bracing Guardrails 0 50 m 75 H350 to H125 Hor...

Page 63: ...rk at Height Regulations 2005 Construction Lifting Operations and Lifting Equipment Regulations LOLER 1998 Provision and Use of Work Equipment Regulations 1998 Personal Protective Equipment at Work Regulations 1992 Management of Health Safety at Work Regulations 1999 Construction Design Management Regulations 1994 Construction Health Safety Welfare Regulations 1996 Manual Handling Operations Regul...

Page 64: ...bly Guide Turner Access Ltd 65 Craigton Road Glasgow G51 3EQ Scotland Section 1 Page 64 TA3 01 50 01_Iss1Rev3 Rev No Jan17 Rev3 For more information please contact Turner Access Design Department on T 44 0 141 309 5555 ...

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