Geobrugg ATT-80 Product Manual
Attenuator system
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- Manual (56 pages) ,
- Maintenance manual (33 pages)
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Summary of Contents for Geobrugg ATT-80
- Page 1 Product Manual ATT-80 ATTENUATOR SYSTEM Date: 01.01.2019 Edition: 01 © Geobrugg AG 8590 Romanshorn...
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Page 2: Intended Application/Purpose
This handbook serves as a construction manual for the standard application of the frontal protection barrier named. It makes no claims to be complete, it may be changed by Geobrugg at any time and is not subject to any notification requirement. - Page 3 3/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc...
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Page 4: Table Of Contents
Base plate ............................16 Inclination ..........................16 Anchoring ..........................16 Drilling ............................ 17 Installing the rope anchor ......................18 Foundation example for the rope anchor ................18 Preparing the posts......................... 19 4/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... - Page 5 Detail 7: Net connection vertical with seam rope ..............30 Detail 8: Net connection vertical with shackles ..............31 Final check ............................33 System drawings ..........................34 Key ..............................36 5/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc...
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Page 6: Important Information
Please also refer to the system drawings for a better understanding. View of the drawings Unless otherwise indicated, all drawings are shown with view in the direction towards the mountain. 6/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 7: Tools
Rope clamp, small 8 – 16 mm/large 14 – 26 mm (min. 2x) Chain hoist or rope hoist (min. 1.5 t / 15 kN) Multipurpose lubricant spray (e.g. Panolin CL 60) Manual 7/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 8: Using The Wire Rope Clips
Wire rope clip FF-C-450-type 1 class 1 E.g. with Panolin CL 60 multipurpose-lubricant spray Step 2: Install the wire rope clips e = 1 … 2 x t > 10 x d > 10 x d 8/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 9: Step 3: Tighten The Wire Rope Clips
3 – 4 1/8” 6 – 7 1/4” 5/16” 9 – 10 3/8” 11 – 12 7/16” 14 – 15 9/16” 5/8” 18 – 20 3/4” 7/8” 22 GEOBINEX 7/8” 9/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 10: Staking-Out
Position of the barrier Differences in height greater than 1.0 m must be considered when calculating the net length. Ideal barrier line ✔✔ ✔ ✖ 10/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 11: Orientation Of The Foundations And Base Plates
∢ ß ∢ Ω < 30° ➜ 35° 17° 40° 25° 45° 30° > 45° ➜ 60° - 85° : 75° (if ∢ ß > 30°) : see table 2 11/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 12: Staking-Out For Straight Barrier Line
Staking-out for straight barrier line a, c & d: see table 2 Staking-out with an upslope change in direction φ: 5° - 15° see table 2 12/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 13: Staking-Out With A Change In Direction Towards The Downslope
4.00 6.00 1.30 6.80 2.00 4.50 6.75 1.45 7.60 2.25 5.00 7.50 1.65 8.50 2.50 6.00 9.00 2.00 10.20 3.00 7.00 10.50 2.35 11.90 3.50 8.00 12.00 2.65 13.60 4.00 13/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 14: Staking-Out With Support Rope Separation With Intermediate Suspension
For rockfall protection barriers, a support rope separation is recommended every 60 - 100 m. In Switzerland, a support rope separation is required after 60 m. φ: 15° < φ < 25° a & c: see table 2 14/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 15: Staking-Out With Support Rope Separation With Intermediate Suspension Straight
4.00 6.00 1.30 6.80 2.00 4.50 6.75 1.45 7.60 2.25 5.00 7.50 1.65 8.50 2.50 6.00 9.00 2.00 10.20 3.00 7.00 10.50 2.35 11.90 3.50 8.00 12.00 2.65 13.60 4.00 15/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 16: Base Plate
If desired, a stabilization tube can be supplied for the vertical anchor. You will find more information in the anchor data sheet. Inclination > 60° > 60° 90° Anchoring Anchoring in rock Anchoring in soil 16/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 17: Drilling
Drilling On request, an installation template can be supplied. Drilling dimension base plate type 1 Drilling dimension base plate type 2 17/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 18: Installing The Rope Anchor
Installing the rope anchor Foundation example for the rope anchor δ/2 δ < 30° > 15° 18/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 19: Preparing The Posts
Preparing the posts Preattach all shackles, upslope and lateral anchor ropes. To lift the posts, use nothing else then the middle 5/8“ shackle. 19/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 20: Installation Steps For The Superstructure
Step 2: Erect the posts Erect the posts using upslope anchor ropes and the overturn securing ropes. Step 3: Fix lateral anchoring Install the lateral anchor ropes (and if required, the intermediate anchor ropes). 20/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 21: Step 4: Top Support Ropes
Step 4: Top support ropes Install the top support rope. Step 5: Attach the net Attach the nets to the top support rope and install all other nets and connect them to each other. 21/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 22: Step 6: Edge Ropes
Step 6: Edge ropes If provided, install the vertical and/or the bottom rope. 22/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... - Page 23 23/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc...
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Page 24: Assembly Details
Assembly details Detail 1: Border post (left) 24/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 25: Detail 2: Middle Post
Detail 2: Middle post 25/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 26: Detail 3: Upslope Anchor Ropes
Detail 3: Upslope anchor ropes 26/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 27: Detail 4: Lateral Anchoring
Detail 4: Lateral anchoring 27/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 28: Detail 5: Connecting Net Panels To Top Support Rope
Detail 5: Connecting net panels to top support rope 28/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 29: Detail 6: Connecting Net Panel To Net Panel Horizontally
Detail 6: Connecting net panel to net panel horizontally 29/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 30: Detail 7: Net Connection Vertical With Seam Rope
Detail 7: Net connection vertical with seam rope 312: cut it to length of max. 25 m. 30/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 31: Detail 8: Net Connection Vertical With Shackles
Detail 8: Net connection vertical with shackles Overlapping: At least 1 mesh. 31/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... - Page 32 32/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc...
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Page 33: Final Check
Are the edge nets connected to the vertical ropes correctly? Is he sagging of the top support rope less than 3% of the distance between posts? Pay attention to the maintenance handbook. 33/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... -
Page 34: System Drawings
System drawings 34/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc... - Page 35 35/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc...
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Page 36: Key
Shackle 5/8“ Hexagonal Nut M20 Shackle 3/4“ Overturn securing rope Shackle 1“ straight Wire rope clip 1/4“ Wire rope clip 5/16” Wire rope clip 5/8“ Wire rope clip 3/4“ Seam rope 36/36 © Geobrugg AG, Switzerland L2_ATT-80 en Product Manual 01_190101.doc...
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