HSS Hire Mobile Aluminium Tower 1450 Instruction Manual

Mobile aluminium tower

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Ladderspan
3T
Mobile Aluminium Tower
1450/850 Ladderspan
3T - Through the Trapdoor Method
Instruction Manual - 508
hss.com
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08457 28 28 28
Safety
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Summary of Contents for HSS Hire Mobile Aluminium Tower 1450

  • Page 1 Ladderspan Mobile Aluminium Tower 1450/850 Ladderspan 3T - Through the Trapdoor Method Instruction Manual - 508 hss.com 08457 28 28 28 Safety Value Availability Support...
  • Page 2 BoSS Ladderspan 3T Instruction Manual...
  • Page 3: Table Of Contents

    Contents Safety First Introduction Tower Designation Maintenance - storage - transport Building the Tower Pre-Assembly Checks Component Diagram Quantity Schedule Stabilisers Assembly 2.5.1 Assembly for 1450 Towers 2.5.2 Assembly for 850 Towers Dismantling Using the Tower Safety Checklist Pre-Use Checklist Movement of the assembled prefabricated tower scaffold HSS.com...
  • Page 4: Safety First

    Safety First Introduction Please read this instruction manual carefully. THIS INSTRUCTION MANUAL SHALL BE AVAILABLE AT THE LOCATION OF USE OF THIS MOBILE ACCESS TOWER. THIS PRODUCT SHALL ONLY BE USED IN ACCORDANCE WITH THIS MANUAL. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY LEAD TO DEATH OR SERIOUS INJURY.
  • Page 5: Tower Designation

    Safety First Tower Designation EN 1004 3 8/12 XXXD H2 Design Code Load Class (2 = 153kg/m UDL, 3 = 204kg/m UDL) Max. Platform Height Outdoors (m) Max. Platform Height Indoors (m) Access Method A = Stairway, B = Stair ladder, C = Inclined Ladder, D = Vertical Ladder Clear Height Class (H1 = 1.85m, H2 = 1.90m) Maintenance - storage –...
  • Page 6: Building The Tower

    Building the Tower Pre-Assembly Checks • Check overhead that the area into which the structure is to be erected contains no obstructions, particularly electrical or radio radiation hazards. The structure is conductive. • Ensure the ground on which the mobile access tower is to be erected is capable of supporting the tower in use.
  • Page 7: Component Diagram

    Building the Tower Component Diagram Horizontal Brace Ladder Frame 4 Rung Span End Toe Board Frame 4 Rung Side Board Platform (Fixed and Trapdoor Decks) Diagonal Brace Stabiliser Span Frame 2 Rung Adjustable Leg Instruction Ladder Frame Castor Manual 2 Rung HSS.com...
  • Page 8 Building the Tower BoSS Ladderspan 3T Instruction Manual...
  • Page 9 HSS.com...
  • Page 10: Quantity Schedule

    Building the Tower Assembly Variations This section lists the permitted component variation from the Quantity Schedule. Note: These substitutions must be made before assembly. Stabilisers with Universal Component Weight Description Clamps may be substituted: Code (kg) 31751400 31851400 SP10 31951400 SP15 13.1 Other Castor sizes and types...
  • Page 11: Stabilisers

    Building the Tower If end walk-through access is required at the base of 2.2m, 4.2m, 6.2m, 8.2m, 10.2m or 12.2m platform height, 1450 wide towers, walk-through frames may be used. In this case the 1m ladder frame and span frame must be fitted above the walk-through frames.
  • Page 12: Assembly

    Building the Tower Assembly This tower structure must be assembled, and components oriented, in accordance with this instruction manual. Deviation from this instruction manual is not permitted. THIS TOWER MUST NOT BE USED AS AN ANCHOR POINT FOR PERSONAL FALL PROTECTION EQUIPMENT. •...
  • Page 13: Assembly For 1450 Towers

    Building the Tower 2.5.1 Assembly for 1450 Towers Push castor into adjustable leg. Push castor/adjustable leg assemblies into 2 rung span frame. Lock castors. Repeat procedure with 2 rung ladder frame. It is recommended that for ease of levelling a gap of 50mm is left between Unlocked the bottom of the leg and the adjustable nut.
  • Page 14 Building the Tower Position the ladder frame as shown and fit the other end of the horizontal brace on to the vertical (just above the bottom rung). Fit a second horizontal brace between the bottom rungs on the other side of the frames to square the tower.
  • Page 15 Building the Tower Fit a temporary deck on the lowest rungs. Fit a trapdoor deck on the rung (2.0m) with the trapdoor next to the ladder. Ensure the trapdoor is positioned with the hinges towards the outside of the tower as shown. Climb the ladder and, from the protected trapdoor position, fit guardrails on the 5 and 6...
  • Page 16 Building the Tower Fit the next pair of diagonal braces in opposing directions between the 3 and 5 rungs. Add two additional end frames. Add two more diagonal braces between the 5 and 7 rungs. If finishing at this height (4.2m platform) reposition the fixed deck to the 8 rung on the tower.
  • Page 17 Building the Tower Continue to add pairs of end frames, diagonal braces and fit trapdoor decks 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. Do not climb onto the deck until all guardrails are in place.
  • Page 18: Assembly For 850 Towers

    Building the Tower 2.5.2 Assembly for 850 Towers The procedure illustrated shows a 3.2m platform height tower starting with a 4 rung frame. Insert adjustable leg/castor assemblies into end frames and lock the castors (see diagram Step 1 - page 11). Base plates can be fitted to the adjustable legs if it is not necessary to move the tower.
  • Page 19 Building the Tower Fit two diagonal braces in INTERLOCK CLIP Unlocked opposing directions between the Locked and 3 rungs. Ensure that the frames are vertical and level by checking with a spirit level and setting the adjustable legs as necessary. Fit stabilisers (see notes on page 9).
  • Page 20: Dismantling

    Building the Tower Climb up the inside of the tower and from the protected position of the trapdoor, fit guardrails to the 7 rungs (in that order) on both sides of the tower. Continue the procedure until the required working height is reached, adding additional pairs of end frames, diagonal braces and fitting trapdoor platforms, as shown on previous...
  • Page 21: Using The Tower

    Using the Tower Safety Checklist This inspection must be carried out before initial use, after moving the tower, if any environmental condition change that may affect the tower and at regular intervals determined by local regulations. Local regulations may also specify other information to be supplied to the user. These regulations must be followed.
  • Page 22: Use

    Using the Tower • This tower must not be used as an anchor point for personal fall arrest equipment. • The tower must only be climbed on the inside, using the access method specified. • This tower provides a work platform. It must not be used to access other structures.
  • Page 23: Movement Of The Assembled Prefabricated Tower Scaffold

    Using the Tower Movement of the assembled prefabricated tower scaffold Ensure gloves or other suitable hand protection is worn. Before • Survey the route to be taken. Assess the ground condition/slope and any overhead obstructions or hazards. • Tower stability will be improved by reducing the height before movement. •...
  • Page 24 in partnership with …have you been trained? The law requires that personnel erecting towers must be competent and qualified to do so. PASMA accredited Mobile Access Tower training available at HSS Training Solutions 0845 766 7799 …any comments? If you have any suggestions to enable us to improve the information within this guide please e-mail your comments to the Safety Guide Manager at the...

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Mobile aluminium tower 850

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