Barry B-Net Technical Specifications And Installation Manuallines Download Page 3

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BARRY B-NET SYSTEM • INSTALLATION GUIDELINES rev. 5

1. Introduction

2. Technical specifications

3. Before use

3.1 Training
3.2 Design Premise
3.3 Preparation
3.4 Types of configuration

4. Installation

4.1 Installing the configuration
4.2 Drilling
4.3 Connection
4.4 Replacing support poles
4.5 Using the mesh hook
4.6 Verification and validation

5. After use

5.1 Inspection
5.2 Roll-up of nets
5.3 Storage

6. Service life and warranty

Appendix

A. Inspection and maintenance log

Summary of Contents for B-Net

Page 1: ...UNCONTROLLED IF PRINTED IMPORTANT Make sure this user instructions manual is the latest version available Consult the Barry website at www barry ca to view document revisions important updates and other notices Cordages Barry Ltd 6110 boul des Grandes Prairies Montréal Quebec Canada H1P 1A2 T 514 328 3888 F 514 328 1963 1 800 305 2673 Canada USA ...

Page 2: ...ure 6 notes updated Sept 2010 2 Title 2 and 4 3 Warning added revision history added figure 1 updated technical specifications updated connection system revised Aug 2011 3 2 4 5 Technical specifications updated Oct 2015 4 All Several important revisions and warnings added diagrams tables technical specifications updated and modified Nov 2017 5 4 2 4 5 and 4 6 Notes on base of nets and support pole...

Page 3: ...sign Premise 3 3 Preparation 3 4 Types of configuration 4 Installation 9 4 1 Installing the configuration 4 2 Drilling 4 3 Connection 4 4 Replacing support poles 4 5 Using the mesh hook 4 6 Verification and validation 5 After use 17 5 1 Inspection 5 2 Roll up of nets 5 3 Storage 6 Service life and warranty 18 Appendix 19 A Inspection and maintenance log ...

Page 4: ...ted the need for increased attention to proper installation and also for increasing the amount of safety measures used Advances in skier ability speed and techniques must be matched with commensurate advances in the understanding of the mechanics which are deployed to protect the racers in the event of a fall Race Course Homologations only address the minimum requirements and location for the inst...

Page 5: ...nical specifications D Label example Approx 2 m 2 m 2 5 m E Connecting loop A Tie wrap D Label with service life information B Net G Support poles H Net support clip F Tie up straps C Mesh hook I Optionnal test swatch Fig 1 Section of a 20 meter Barry B Net System 2017 not to scale ...

Page 6: ...Do not use after date 5 years from manufacturing year Feature Top and bottom loops used to join nets together Features Tie up straps at each end for ease of roll up can be removed during installation can be color coded on special order G Support poles H Net support clip I Optional test swatch Material Polycarbonate PC Dimensions Approx 2 5 m H Quantity 9 poles 20 m section Properties UV and impact...

Page 7: ...d and often new equipment and techniques are tested during training and speed may be greater 3 1 Training Important Installation situations which are not described in these pages are to be resolved and corrected by a qualified authority The installation of Barry B Net Systems must only be carried out by personnel who have received and reviewed all of the information contained in the current versio...

Page 8: ...ow gun trees tower etc Both sides of the entire race course should be protected by Barry B Net Systems for all training and race events as the skier s probable spill zones may not be accurately predicted In addition where appropriate follow the safety recommendations provided in the course homologation report and add nets or other protection means to account for speed mass and skier ability as det...

Page 9: ...e to the first row of nets is 6 m If a turning gate is not installed additional distance to obstacle is required A qualified authority on site will determine what additional compensatory measures may be required Step 2 Unroll the 3 nets one after the other by positioning 2 nets 40m uphill of a potential obstacle and 1 net 20 m downhill Avoid stepping on the nets In instances where the potential ob...

Page 10: ...distance between the two nets should be 2 m and the first net must be at least 4 m from the obstacle more distance is better Do not align joints of net sections in the same direction of impact of the skier Note It has been observed that adding an additional third row at 0 5 m in front of the middle row can be effective to increase system performance in certain situations Such installation is to be...

Page 11: ... m or 6 m where possible The spacing between each row of net must be a minimum of 2 m Distance between turning gate and first row of net must be at least 6m If there is no turning gate or if the 2 m net spacing is not practical the qualified authority on site will determine what appropriate compensatory measures are to be taken Step 3 Place the net to obtain an S as shown on figure 4 Step 4 Drill ...

Page 12: ...ets Distance between the last row of net and the obstacle must be at least 1 m more distance is better In the case where the 1 m spacing between rows is not possible the interval between each row of nets can be 0 5 m to 1 m additional measures may be required to protect the potential obstacle This requirement shall be determined by the qualified authority on site Step 3 Place the net to obtain a d...

Page 13: ...arallel and poles should not point downhill Step 2 Drill a hole 30 to 35 cm depth and 32mm diameter in snow with a density range of 400 630 kg m3 WARNING If the snow depth or density is insufficient to provide sound anchorage of the support poles do not use these systems Step 3 Distance the support poles in order to obtain a net surface which is not overly tight or overly loose Netting which is hu...

Page 14: ...s on race course side Step 2 Insert support poles through the top and bottom connecting loop of both nets to be connected Make sure that the loop or stitching is not damaged Step 3 Drill into the snow the two supports poles ref 4 2 Drilling RACE COURSE SIDE RACE COURSE SIDE DOWNHILL DOWNHILL End section CONNECTION SYSTEM Barry B Net Systems have a connection system with connecting loops on each en...

Page 15: ...stitute products bamboo or slalom gate etc as replacement parts 4 5 Using the mesh hook The mesh hook is inserted into a mesh of the upper section of the net between support poles Insert meshes of the bottom section into the hook These hooks serve to raise and support installed net during course maintenance Fig 9 Use of the mesh hook not to scale Net support clip Fig 8 Replacing support poles not ...

Page 16: ... and Support Poles The base of the nets should skirt over the snow surface and drape towards the race course side There should be no gaps between the bottom of the net and the snow surface The base of nets and the support poles should not be buried under and or frozen in the snow or ice Net tension Netting should hang not too tight or too loose Assembly The uphill net must be on the race course si...

Page 17: ...traps supplied on the net edge Alternately users may prefer to attach the corners by feeding through the poles top and bottom without the use of the tie straps Step 4 Place the nets in the appropriate transport storage cradles 5 3 Storage Nets should be stored clean dry and out of direct sunlight and away from extreme heat and in a well ventilated storage area Nets should be kept off the floor and...

Page 18: ...r from date of shipment Upon notice in writing Barry will promptly repair or replace all defective items Barry reserves the right to elect to have the defective item returned to its plant for inspection before making a repair or replacement The cost of transport to deliver the product to and from Barry shall be covered by the purchaser Warranty does not cover product damages resulting from abuse d...

Page 19: ...for instructions Broken or damaged net border or mesh 0 cm to 30 cm Identify location on the net using flagging tape remove net from service and contact Barry for instructions Major tear of net border or mesh 30 cm Return complete net system to Barry for inspection repair or replacement Broken or damaged pole or clip or tie wrap Replace with new Barry product per instructions found in Barry Instal...

Page 20: ...on date Take down date Inspection date Items noted Corrective action taken Maintenance date Name print Name signature Installation date Take down date Inspection date Items noted Corrective action taken Maintenance date Name print Name signature Installation date Take down date Inspection date Items noted Corrective action taken Maintenance date Name print Name signature Installation date Take dow...

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