Related Manuals for Boss Ladderspan 1450
Summary of Contents for Boss Ladderspan 1450
- Page 1 BOSS MOBILE ALUMINIUM TOWER 1450/850 LADDERSPAN USER GUIDE 3T - THROUGH THE TRAPDOOR METHOD AND BOSS ADVANCED December 2005 GUARDRAIL SYSTEM...
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Page 2: Preparation And Inspection
The law requires that personnel erecting towers must be competent and qualified to do so. Any person erecting an Youngman BOSS mobile tower should have a copy of this guide. For full information on the use of mobile access and working towers consult the PASMA guide or EN1298. - Page 3 Components - 3T Method End Toeboards 4 Rung Ladder Frame 4 Rung Span Frame Toeboards Platform (Fixed and Trap Door Decks) Horizontal Brace Diagonal Brace Stabiliser 2 Rung Span Frame Adjustable leg 2 Rung Ladder Castor Frame...
- Page 4 Quantity Schedule - 1450 3T Method...
- Page 5 The quantities on page 3 will enable BOSS towers to be built safely and therefore comply with the requirements of the Work at Height Regulations 2005. They include double guardrails to all platforms, and toeboards will need to be added if any levels are used as working platforms and for storage of materials.
- Page 6 Quantity Schedule - 850 3T Method...
- Page 7 (the combined weight of the users, tools and materials) that may be placed on a platform is 275kg, evenly distributed over the deck. The quantities on page 5 will enable BOSS towers to be built safely and therefore comply with the requirements of the Work at Height Regulations 2005. They include double guardrails to all platforms, and toeboards will need to be added if any levels are used as working platforms and for storage of materials.
- Page 8 Quantity Schedule - 1450 Advanced Guardrail System...
- Page 9 Quantity Schedule - 850 Advanced Guardrail System...
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Page 10: Usage Advice
Usage Advice Erection Check that all components are on site and that they are functioning correctly – See Quantity Schedule. Check if the ground on which the mobile access tower is to be erected and moved is capable of supporting the tower. The safe working load is 275kgs (606Ibs), per platform unit, uniformly distributed up to a maximum of 950kgs (2100Ibs) per tower (including self weight). -
Page 11: Maintenance
Usage Advice During Use Beware of high winds in exposed, gusty or medium breeze conditions. We recommend that in wind speeds over 7.7 metres per second (17 m.p.h.), cease working on the tower. If the wind becomes a strong breeze, expected to reach 11.3 metres per second (25 m.p.h.), tie the tower to a rigid structure. - Page 12 Assembly and dismantling procedures THE 3T METHOD When building a BOSS tower: To comply with the Work at Height Regulations we show assembly procedures with platforms every 2 metres in height, and, the locating of guardrails in advance of climbing onto a platform to reduce the risk of a fall.
- Page 13 By using the BOSS Advanced Guardrail you will ensure compliance with the Work at Height Regulations by providing a guardrail in advance of climbing onto a platform. The BOSS Advanced Guardrail System features guardrail protection that is pre-set to the correct heights and dimensions.
- Page 14 Checklist Ensure all brace claws operate and lock correctly prior to erection Inspect components prior to erection Inspect tower prior to use Tower upright and level Castors locked/legs correctly adjusted Diagonal braces fitted Stabilisers/outriggers fitted as specified Platforms located and windlocks on Toeboards located Check guardrails are fitted correctly.
- Page 15 2 rung frame. Youngman recommend two persons are used to build BOSS towers. Above 4m height it is essential that at least two persons are used. Only climb the tower from the inside.
- Page 16 Assembly Procedure 1450 Tower - 3T 4 Fit 2 additional end frames and check the frame interlock clips are engaged. Fit 2 diagonals, in opposing directions, between the 1 and 3 rungs. Ensure the frames are vertical and level by checking with a spirit level and setting the adjustable legs as required.
- Page 17 Assembly Procedure 1450 Tower - 3T 6 Fit the next pair of diagonal braces in opposing directions between the 3 and 5 rungs. Add 2 additional end frames. 7 If finishing at this height, (4.2m platform), the fixed deck should first be repositioned to the 8 rung of the tower.
- Page 18 Assembly Procedure 1450 Tower - 3T 8 When building beyond a 4.2m platform height. Continue to add end frames, diagonals and trapdoor platforms as shown in the previous steps. Add guardrails at 0.5m and 1.0m (in that order) above the platform from the protected trapdoor position.
- Page 19 Assembly Procedure 1450 Tower - 3T 9 Fit toeboards (see instructions on page 29). The tower is now complete.
- Page 20 Assembly Procedure 850 Tower - 3T Always start building with the smallest height frames at the base of the tower: Platform Heights in Metres Frame at Base 1.7 2.2 3.7 4.2 5.7 6.2 7.7 8.2 9.7 10.2 11.7 12.2 2 rung 2.7 4.7 6.7 8.7 10.7 3 rung 1.2 3.2 5.2 7.2 9.2 11.2...
- Page 21 Assembly Procedure 850 Tower - 3T Fit the next pair of end frames and check the frame interlock clips are engaged. Fit stabilisers (see notes on page 30). INTERLOCK CLIP Locked Unlocked 4 Fit 2 pairs of diagonal braces in oposing directions between the 3 and 5 rungs and the 5...
- Page 22 Assembly Procedure 850 Tower - 3T Continue the procedure until the required working height is reached, adding additional end frames, diagonal braces and platforms. Always add horizontal guardrails from the protected position within the trapdoor, (as shown in step 5). Fit the toeboards (see instruction on page 29).
- Page 23 Assembly Procedure - Advanced Guardrail The BOSS Advanced Guardrail is available for 1.8m or 2.5m platform lengths as required. Two Advanced Guardrail frames are required to build a tower. Identification A Locking Hinge Joints Locking Claw Windlatch D Interlock Clips...
- Page 24 Assembly Procedure - Advanced Guardrail Assembly 1 Insert adjustable leg/castor assemblies into end frames and lock the castors (see diagram page 14, step 1). Base plates can be fitted to the adjustable legs if it is not necessary to move the tower.
- Page 25 Assembly Procedure - Advanced Guardrail 5 Hold the guardrail with the locking claw (B) on your left hand side. Lift the guardrail by holding the two middle vertical frame tubes and raise it until the windlatch plate (C) and locking claw (B) are level with the horizontal rungs of the end frames, at the platform level (4 rung).
- Page 26 Assembly Procedure - Advanced Guardrail 7 If the tower is to be used at this height (2.2m platform height) climb the ladder to the platform. IMPORTANT! Engage interlock clips (D), on the top U-brackets, at both ends of each guardrail frame. Fit the toeboard clips and add toeboards (see page 29).
- Page 27 Assembly Procedure - Advanced Guardrail 9 Fit the next pair of diagonal braces. Fit a fixed and a trapdoor deck on 4 rungs (2m) above the platform level. On 850 width towers insert a trapdoor deck. 10 To advance the guardrail frame, open the locking claw (B) and unlock the windlatch (C).
- Page 28 Assembly Procedure - Advanced Guardrail 11 Repeat this procedure to advance the second guardrail on the other face of the tower. 12 Continue to construct the tower and advance the guardrail by repeating steps 8 to 11 until the required height is reached.
- Page 29 Dismantling Procedure - Advanced Guardrail 1 To dismantle a BOSS Tower with BOSS Advanced Guardrail frames is the reverse of the assembly sequence. However, if the Advanced Guardrail System has been removed to build other towers, it must be replaced at the highest platform before dismantling commences.
- Page 30 Toeboards Fitting Toeboards Lock yellow plastic toeboard clips over rung and deck claw as shown. Position as (A) on right hand deck claw. On other side of the working platform, position the clip as (B). Place 25mm thick toeboards into slots in toeboard clips as shown. Toeboard Toeboard Clip...
- Page 31 Stability Stabilisers Stabilisers are used when the tower is to be used occasionally, frequent movement will require outriggers. Attach one stabiliser to each corner of the tower at approx. 45 degrees. Secure top clamp below castings, bottom clamp as low as possible.
- Page 32 T 08700 130 360 National Sales Office: Email: youngmansales@youngmangroup.com Head Office: Youngman Group, The Causeway, Maldon, Essex, CM9 4LJ Youngman Group reserve the right to vary specifications listed here.