Trapdoor) method. The law requires that personnel erecting, dismantling or altering towers must be competent. Any person erecting a BoSS mobile tower must have a copy of this user guide. For further information on the use of mobile access and working towers consult the PASMA operators code of practice.
It is recommended that towers should be tied to a solid structure when left unattended. Lifting of individual tower components Tower components should be lifted using the BoSS SOLO assembly bracket. Raising and lowering components, tools and/or materials by rope should be conducted within the tower base (i.e.
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Brace claws, frame interlock clips, trapdoor latches, camlocks, claw mechanisms and platform wind-locks should be regularly checked to ensure they lock correctly. Refer to the BoSS Inspection Guidance poster for detailed inspection and maintenance advice: bossaccesstowers.com/literature. Components should be stored in clean, dry conditions with due care to prevent damage.
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Excessive side loads from working on the tower, i.e. drilling or pulling may also make a tower unstable. The maximum allowable side load on a tower is 20kg. Do not abuse equipment. Damaged, incorrect or incompatible components should not be used. BoSS SOLO User Guide...
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Safety First Ties You should tie in towers of all heights wherever possible, as it is safe practice to do so. However, where towers are left unattended or are to be located in particularly exposed conditions, wind forces will almost certainly affect stability. In these circumstances ensure that the tower is adequately tied in or restrained from blowing over and that the platforms are securely fixed or alternatively the tower dismantled.
Component Diagram Camlock Guardrail Frame 1m End Frame Folding Aluminium Toe Board Set Assembly Bracket 1.3m Trapdoor Deck Stabiliser Folding Base Unit Horizontal Brace Adjustable Leg and Castor BoSS SOLO User Guide...
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Safety Checklist Mobile Towers - 3T Method Pre-assembly checklist Ensure all components are present (see quantity schedule on page 9) Inspect components prior to assembly Ensure all brace claws, camlocks and adjustable legs operate correctly Ensure castors rotate freely and brakes lock Full inspection guidance can be found here at www.bossaccesstowers.com/literature Pre-use checklist...
Quantity Schedule BoSS Solo 700 - 1.3m x 0.7m 3T Method Internal or external use Working Height (m) Component Platform Height (m) Castor Adjustable Leg 4 Rung End Frame (1.0m high x 0.7m wide) Folding Base Unit 1.3m Camlock Guardrail Frame 1.3m Trapdoor Deck...
Quantity Schedule Stabilisers Stabilisers should always be fitted when specified. To improve stability, larger stabilisers can be used at a lower level than shown in the quantity schedules. Attach one stabiliser to each corner of the tower as shown. Ensure stabiliser feet are equally spaced to form a square. SP4 and SP10 telescopic stabilisers must always be fully extended.
Build 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 increase safety and reduce the risk of a fall.
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Build Method FOLDING BASE METHOD: Release brakes on castors at one end frame until the locks engage on the rear folding frame. Ensure both hinges positively lock into position. Engage brakes on second frame. Locate the horizontal brace on the lowest rung with the hooks facing downwards - check the brace is correctly locked on the tube at both ends.
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Slide the leg out until the leg reaches the ground. Rotate the leg until the interlock clip holes line up. Lock the leg by using the interlock clip and adjust the stabiliser to ensure the stabilisers are engaged. BoSS SOLO User Guide...
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Build Method From the ground level, position a trapdoor deck on rung 8. Engage the wind-locks. Locate assembly bracket No. 1 on front face of lowest camlock guardrail. Locate the second assembly bracket on rung 10 of the end frames. Hang four camlock guardrail units in order on the front assembly bracket and then 1 x folding toe board.
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DO NOT CLIMB ON TO DECK UNTIL ALL GUARDRAILS ARE IN PLACE. Standing up on the protected platform, lift the second trapdoor deck onto the platform. Store by the rear guardrail clear of the end frames. BoSS SOLO User Guide...
Build Method Add the connected pairs of end frames taking care to engage the locking clips. Add a camlock guardrail to rungs 13 & 15 and lock. Remove the end frame assembly bracket from rung 10 of the end frame and re-position on the top camlock.
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Build Method Place the trapdoor deck onto the 16th rung of the tower and engage wind-locks. Climb the end frame from within and from the protected trapdoor position, fit the camlock guardrails as shown. BoSS SOLO User Guide...
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Build Method Unclip the storage strap from the folding toe board set, unfold and fit the toe board into position on the working platform. Move assembly brackets to base of the tower and fit to the lowest rungs of the end frames. Platform loading Simply follow the assembly steps in reverse, ensuring that the 3T method is followed.
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Build Method Storage Trolley Assembly: Assemble the folding base frame with one trapdoor deck placed on the bottom rung forming the base of the trolley. Lower all adjustable legs as far as possible. BoSS SOLO User Guide...
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Build Method Fit the folding toe board set to the trapdoor deck. Position the 1.3m horizontal brace on the front upright, just above the rung. Place the assembly brackets, one at each end on the inside of the folding base unit end frames. bossaccesstowers.com...
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Build Method Place the camlock frames, three at either end within the trolley. Ensure the diagonal struts of the camlock frames fit between the arms of the assembly brackets. BoSS SOLO User Guide...
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Build Method Place the 1m end frames in the centre of the trolley between the guardrail frames. Add the final trapdoor deck in front of the 1m end frames. Fit the four SP4 stabilisers in front of the trapdoor deck. The trolley unit is now complete.
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