Altrad MINI CATCH NET FAN User manual

MINI CATCH NET FAN

USER GUIDE

Contents

1.0 Introduction .....................................................................................................................................................3

2.0 Key features ...................................................................................................................................................3

3.0 Component Recognition...............................................................................................................................4

4.0 Catalogue........................................................................................................................................................5

5.0 Assembly Instructions.................................................................................................................................7

6.0 Setting the fans in the out of service position .....................................................................................14

7.0 Corner Formation........................................................................................................................................15

8.0 Connection to a facade.............................................................................................................................20

9.0 Technical Details.......................................................................................................................................... 21

10.0 Maintenance, Storage and inspection. ..................................................................................................21

1.0 Introduction

DESSA offers efcient lightweight temporary roong, encapsulation solutions, aluminium lattice

girders and safety products. DESSA’s unique and distinctive aluminium solutions are suitable for

not only grandstands, stages and events but also public utility works, local authorities, government

buildings, historic buildings, highways, bridges and industrial market sectors. Time proven on

demanding and complex applications across varied climates throughout the UK, Canada, UAE,

Australia and Europe, DESSA offer unrivalled span capabilities and alternative congurations.

From a choice of roong solutions and general purpose lattice girders providing unrivalled cost

to strength ratio, to high capacity lattice girders complete with a dedicated bracing system, we

provide the industry with an ever widening range of cost effective products along with extensive

after sales support to the highest professional standards. At DESSA we develop innovative and

practical solutions for the support, access and weather protection industries. All of our designs are

technically proven and are registered with protected design rights meaning only DESSA can offer

superior solutions through our products. Our senior management team at DESSA offer considerable

experience in the elds of contracting, engineering, manufacture and customer service. Having

introduced a number of class leading products into the UK market and we have worked closely with

a number of key clients in developing bespoke solutions to their problems which we manufacture

on an exclusive basis.

2.0 Key features

• Lightweight

• High Strength

• Lockable for transport

• Fitted without tools

• Adjustable rail location Pre-marked rail for easy assembly

• No loose parts

• Fully Tested

• Adjustable lower claw

• Suits tube Ø48.3

3.0 Component Recognition

Net Rail

Y09002

Net

Y09003

Support Assembly

Y09001

4.0 Catalogue

DESCRIPTION PART No WEIGHT (kg) DIM 1 (m) DIM 2 (m)

Support Assembly

Supplied complete with Sliding

lower bracket and adjustable

top bracket with locking pin. For

securing the net to a scaffold or

a facade. Y09001 4.6 2.55 0.43

Net Rail

To support the net at outer and

inner edge. Y09002 3.8 3.00 0.06

Net

100x100mm mesh and 20x20mm overlay for

catching debris and tools. Supplied with integrated

cam buckles.

Y09003 4.2 3.60 2.10

2m Spacer

This optional spacer allows for spacing the support

assemblies 2m apart.

Y09004 3.0 2.08 0.08

0.6m Spacer

This optional spacer allows for spacing the support

assemblies 0.6m apart.

Y09005 1.6 0.68 0.08

DESCRIPTION PART No WEIGHT (kg) DIM 1 (m) DIM 2 (m)

Wall anchoring bracket

This enables attaching the Mini Catch Net Fan directly

onto a facade.

Y09006 2.10 0.16 0.10

90mm offset shear anchor

Alternative way of xing the Mini Catch Net Fan to a

facade utilizing scaffold tubes.

AB0001 2.00 0.16 0.16

Net Rail connector Bracket

Allows to splice two

net rails enabling the

installation of a corner

fan. Y09007 0.60 0.16 0.13

Corner Fan Support Spur

Ø48,3mm outer diameter support spur with a hinged

connection bracket. Connects to the end

of overhanging net rails and ties back to the

main support assembly to provide support

for the outer edge of a corner fan. Y09008 3.50 3.00 0.20

Quick release pin

AF0002 0.10 82mm Ø12mm

5.0 Assembly Instructions

5.1 Inspection.

Lay the components out for inspection. Unfurl the net in full. It is essential that the 20x20mm

mesh is uppermost and the cam buckle straps are on the edge closest to the scaffold following

the installation. Check that the service tag is attached and a valid test date is stipulated. Carry

out a visual inspection and report any discrepancies or concerns immediately. Inspect the support

assemblies.

5.2 Installing the supports.

Both the erecting and dismantling of the safety nets have to be executed with the corresponding

PPE.

The free space underneath the safety net of the Mini Catch Fan must be at least 3 metres, nothing,

except the articulated arms must obstruct the path of a potential fall. DESSA recommends the use

of the Mini Catch Fan as close as possible to the work area. A fall, even with the protection of a

safety nets system is never fully free of risks.

Employing a safe method of work the supports need to be located vertically outside the scaffold

elevation. The uppermost claw needs to be located above the desired connection point and then

push-locked onto the ledger (as shown below).

The locking pin will slide out allowing for the ledger to enter the claw. Do not force the claw over the

ledger - it should not require force when the assembly is perpendicular to the face of the scaffold.

The sliding connector should be attached to the scaffold at the lowest possible location:

Install the second support assembly.

The distance between the supports should be 2m. This can be achieved using the optional DESSA

spacer Y09004.

optional

spacer

5.3 Installing the net

With the 20x20mm mesh on the inside connect the outer rail to the upper claws. The claws should

be located centrally between the collars as shown below.

20x20

100x100

Simply put the rail into the claw. Ensure the claw is central between the collars.

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