Cabling. Cabling. Crown stabilisation. Overload indicator tree save. Accessories

Transcription

1 Cabling Cabling Crown stabilisation Overload indicator Accessories

2 Crown stabilisation Trees in urban environments are subject to extensive human interference. In general terms, urban living conditions are unfavourable for trees and shrubs, and often result in biological and structural weaknesses and abnormal growth and vigour. Tree care comes into the equation when location-based problems need to be prevented or corrected. The stabilisation of tree crowns is an alternative approach to professional tree care which avoids the need for pruning and tree care the tree. The stabilisation of tree crowns also ensures the safety of transport infrastructure and reduces the risk of fallen trees. Non-invasive systems Break protection systems prevents the detachment sections of the crown by means of horizontally placed dynamic and static systems. Elastic systems prevent the overloading of the crown section without hindering the crown mouvement. Low-stretch cables reduce the movement of sections of the crown which are in danger of breaking. Support and load systems stabilise crown sections that are in danger of breaking and so avoid the need for pruning or reduction which could alter the appearance of the tree. Crown-stabilisation materials must be appropriate for the weight of the section of the tree being treated. Tree Climbing Rigging Tools The pros and cons of crown-stabilization and crown reduction Pruning is particularly suitable for young trees and enables simultaneous growth pruning with small incisions. As no equipment is installed in the tree, natural oscillation is not affected either. Cutting can, however, have a negative impact on tree vigour and can also permanently change the appearance of the tree. Aftercare is often inevitable. Crown stabilisation maintains the appearance of older or poorly cut trees and shrubs without reducing the volume of the crown. The sap flow is not affected and there is no disease or injury due to pruning damage. If not carried out correctly, however, crown-stabilisation measures can restrict the natural movement of the tree. It is essential that the trunk is structurally intact for this approach to work. Load-bearing sections need to be inspected regularly, however aftercare is less intensive than with the reduction approach. Education Industrial Climbing Protection Cabling 53

3 Cabling system Crow stabilisation with overload indicator tree save Drayer developed the tree save non-invasive crown-stabilisation system in collaboration with arborists. This multi-component system consists of a tree-bracing strap with a built-in overload display, a tree-bracing strap without an overload display and a hollow-braided rope. If the crown-stabilisation system is put under considerable pressure through movements in the crown or the breaking off of the secured section of the crown (load > 75 % of the system breaking load), this is displayed on a coloured indicator on the fixing strap. The functionality of the stabilisation system remains unaffected. The overload indicator is clearly visible from a distance of 15 to 20 Metres and enables the monitoring of the crown-stabilisation system from the ground. You don t have to climb the tree to carry out the necessary checks just look up! tree save meets the requirements of the German ZTV tree-care standard (Additional Technical Contractual Terms and Guidelines for Tree Care), is suitable for use with break protection and support and stabilisation systems, and can be installed in all types of branch structures. Overload indicator The built-in in breaking-point indicator is activated when the system load exceeds 75%. The red indicator clearly signals that action is required. The system continues to function in the meantime. Cabling system with overload indicator Injury-free multi-component system System breaking loads: 2, 4, 8 and 12 tons The built-in overload display flags up loads in excess of 75% of the system breaking load Optimised for static and dynamic systems based on the particular material distensions (5% and 20%) Monitoring from ground level Conforms with the German ZTV tree-care standard (Additional Technical Contractual Terms and Guidelines for Tree Care) Effective life: at least 8 years Date of installation documented by marking the label Price for innovation tree save conforms with the German ZTV tree-care standard (Additional Technical Contractual Terms and Guidelines for Tree Care) and is suitable for use in break protection and support and bracing stabilisation systems, and in all types of branch systems. tree save was awarded a prize for innovation by the Kuratorium für Waldarbeit und Forsttechnik (German forestry and forestry technology institute) at the Interforst 2006 trade fair in Munich. tree save was also awarded the Gala-Bau prize for innovation in

4 dynamic 2t Dynamic crown stabilisation system with 2t breaking load with overload indicator 20kN breaking load. 50cm (KST ) 11,50 75cm (KST ) 12,00 100cm (KST ) 12,50 125cm (KST ) 13,00 150cm (KST ) 13,50 Hollow braid with 5% elongation 14mm Liros hollow braid with green recognition strand and 20kN breaking load. Meter (KST 2-121) 1,30 100m (KST 2-120) 120,00 Hollow braid with 20% elongation 14mm Liros hollow braid with blue recognition strand and 20kN breaking load. Meter (KST 2-131) 1,30 100m (KST 2-130) 120,00 20kN breaking load. 50cm (KST ) 8,50 75cm (KST ) 9,00 100cm (KST ) 9,50 125cm (KST ) 10,00 150cm (KST ) 10,50 Length of support slings An acute angle should be produced when attaching the tree holding loop to the part of the crown to be secured. The sling length is four times the diameter of the branch. Tree Climbing Rigging Tools dynamic 4t Dynamic crown stabilisation system with 4t breaking load with overload indicator 40kN breaking load. 75cm (KST ) 15,50 100cm (KST ) 16,50 125cm (KST ) 17,20 150cm (KST ) 18,00 175cm (KST ) 19,00 200cm (KST ) 20,00 20kN breaking load. 75cm (KST ) 12,50 100cm (KST ) 13,00 125cm (KST ) 13,70 150cm (KST ) 14,50 175cm (KST ) 15,50 200cm (KST ) 16,50 Hollow braid with 5% elongation 18mm Liros hollow braid with green recognition strand and 40kN breaking load. Meter (KST 4-121) 2,60 100m (KST 4-120) 250,00 Hollow braid with 20% elongation 18mm Liros hollow braid with blue recognition strand and 40kN breaking load. Meter (KST 4-131) 2,60 100m (KST 4-130) 250,00 All Prices excluding VAT Education Industrial Climbing Protection Cabling

5 Crown stabilisation 8t Dynamic crown stabilisation system with 8t breaking load with overload indicator 75mm width sling with anti-abrasion cover and 80kN breaking load. 100cm (KST ) 34,00 125cm (KST ) 35,50 150cm (KST ) 37,00 175cm (KST ) 38,50 200cm (KST ) 40,00 250cm (KST ) 43,00 300cm (KST ) 46,00 Do you have particular requirements in regard to our products? Please contact us. We can manufacture particular lengths and breaking loads according to your requirements. Steel cable Static connection with 12mm diametre and 80kN breaking load. Meter (KST 8-500) 3,75 Thimble (KST 8-510) 0,90 Cable clamp (KST 8-520) 0,90 Shakle, 15t (KST 8-530) 7,80 75mm width sling with anti-abrasion cover and 80kN breaking load. 100cm (KST ) 19,00 125cm (KST ) 20,50 150cm (KST ) 22,00 175cm (KST ) 23,50 200cm (KST ) 25,00 250cm (KST ) 28,00 300cm (KST ) 31,00 Hollow braid with 5% elongation 26mm Liros hollow braid with green recognition strand and 80kN breaking load. Meter (KST 8-121) 3,30 100m (KST 8-120) 320,00 Hollow braid with 20% elongation 26mm Liros hollow braid with blue recognition strand and 80kN breaking load. Meter (KST 8-131) 3,30 100m (KST 8-130) 320,00 12t Static crown stabilisation system with 12t breaking is used to immobilize crown parts. The overload indicator is not needed. 100mm width sling with anti-abrasion cover and 120kN breaking load. 100cm (KST ) 24,50 125cm (KST ) 26,50 150cm (KST ) 28,50 175cm (KST ) 30,50 200cm (KST ) 34,50 250cm (KST ) 38,50 300cm (KST ) 42,50 Steel Cable Static connection with 16mm diametre and 140kN breaking load. Meter (KST ) 5,70 Accessories Thimble (KST ) 2,00 Cable clamp (KST ) 1,30 Shakle, 19t (KST ) 15,10 56 Control Crown stabilisation systems should be checked at regular intervals, i.e. every 2 to 5 years. An activated breaking-load display will indicate that the system needs to be replaced as soon as possible as it is being exposed to a considerable load. It should also be replaced in the event of damage to other components. As all system components are subject to various influences (UV rays, deposits of sand, soot and acid rain), it is recommended that the entire system be replaced after a period of eight years.

6 Accessories EASY Splicing needle for hollow braided ropes up to 18mm Insert one end of the hollow braid in the flexible wire cage situated in the back of the needle. The rope can be spliced easily. (SPLA 112) 55,00 ARS scissors The particulary strong steel scissors allows you to cut the hollow braid easily and precisely. (SPLA 111) 20,00 EASY Splicing fid for hollow braided rope up to 18mm Aluminium fid with screw thread inside. Insert the taped end of the rope inside the needle, rotating sligtly. (SPLA 113) 15,00 Tree Climbing Rigging Tools Splicing kit Comprises 4 Paddle carabiners (KA 26), a pair of scissors (SPLA 111) and the splicing needle (SPLA 112). Installing and handling cabling systems with these tool is a piece of cake! The set is always within reach. There is no more need to disturb the ground worker. (SPLA 120) 150,00 Leathercase without content The case can be equipped individually. (SPLA 121) 65,00 Rope clamp for ropes 8-16mm Assists the installation of steel cabling systems combined with a pulley systems. (SPLA 130) 120,00 Rope bag This waterproof carrier and storage bag made of strong canvas holds around 100 metres of (Ø18mm) hollow rope. The hollow rope can be fed from either side of the bag. Extra straps for attaching of materials and equipment. (SPLA 110) 60,00 easy to install no blowtorch or lubricant necessary Inspection in a matter of seconds Education Industrial Climbing Protection Cabling All Prices excluding VAT. 57