{"id":889,"date":"2014-11-28T11:40:31","date_gmt":"2014-06-12T09:29:53","guid":{"rendered":"https:\/\/jerol.se\/?page_id=889"},"modified":"2017-11-29T14:52:58","modified_gmt":"2017-11-29T14:52:58","slug":"technical-info","status":"publish","type":"page","link":"https:\/\/jerol.se\/en\/technical-info\/","title":{"rendered":"Technical Info"},"content":{"rendered":"

Video Library<\/h1>\n

Here we have collated all videos regarding our products, videos are divided into the following categories: Electrical, Telecommunication, and Traffic. Click on the link to open the video in a new window.<\/p>\n

Electrical<\/h2>\n

General Installation<\/strong><\/p>\n

General installation video, mounting, cutting, climbing, raising<\/a>\u00a0(4:54)<\/p>\n

Climbing<\/strong><\/p>\n

Climbing a Jerol pole\u00a0<\/a>(4:56)<\/p>\n

Mounting the pole<\/strong><\/p>\n

Cutting a composite pole<\/a> (0:33)<\/p>\n

Installing a rock dowel<\/a>\u00a0(1:15)<\/p>\n

Attaching a pin bolt<\/a>\u00a0(0:19)<\/p>\n

Mounting fasteners<\/a>\u00a0(0:47)<\/p>\n

Installing brackets for guy-wires<\/a>\u00a0(0:26)<\/p>\n

Affixing a sign<\/a>\u00a0(0:21)<\/p>\n

Installation on a mountain<\/a>\u00a0(1:22)<\/p>\n

Mounting in the ground<\/a> (0:47)<\/p>\n

Cable installation on distribution poles<\/a>\u00a0\u00a0(0:34)<\/p>\n

Jerol Tests<\/strong><\/p>\n

GrabJohn test<\/a>\u00a0(1:29)<\/p>\n

Hardness across temperatures<\/a>\u00a0(0:49)<\/p>\n

Load capacities<\/a>\u00a0(2:50)<\/p>\n

Damaged post inspection<\/a>\u00a0(0:50)<\/p>\n

Telecommunication<\/h2>\n

Cutting<\/a>\u00a0(0:32)<\/p>\n

Installing U-nails<\/a>\u00a0(0:25)<\/p>\n

Installing fastening equipment<\/a>\u00a0(0:17)<\/p>\n

Mounting eye screws<\/a>\u00a0(0:20)<\/p>\n

Attaching cleats<\/a>\u00a0(0:08)<\/p>\n

Installing a rock dowel<\/a>\u00a0(1:22)<\/p>\n

Traffic<\/h2>\n

Crash test \u2013 lighting pole, 100km\/h<\/a>\u00a0(0:10)<\/p>\n

Crash test \u2013 lighting pole, 70km\/h<\/a>\u00a0(0:18)<\/p>\n

Crash test \u2013 lighting pole, 35km\/h<\/a>\u00a0(0:21)<\/p>\n

Crash test \u2013 Sign and signal post, 35 km\/h, 70 km\/h, 100km\/h<\/a>\u00a0(2:34)<\/p>\n

Signpost with a flange<\/a>\u00a0(0:49)<\/p>\n

 <\/p>\n

FAQ<\/strong><\/p>\n

    \n
  1. Q: Are Jerol products suitable for use in environmentally sensitive areas?<\/em>
    \nA: Yes. Jerol poles are extremely environmentally friendly, as they do not absorb nor leak chemicals to their surroundings. Jerol poles are a great alternative to other products that are subject to change as a result of their surroundings. As our products are completely non-toxic, they can be installed in a range of settings, including water reservoirs, farms and nature reserves. Ref:
    Environmental Declaration (PDF)<\/a>
    \n

    \n<\/a><\/li>\n
  2. Q: Are Jerol poles electrically conductive?<\/em>
    \nA: No. Our products are non-conductive, and isolate very well. Jerol poles have been tested and verified by STRI, an accredited testing institute in Ludvika. The results are based on tests performed on a new and clean posts. Poles are to be free from moisture, dirt or any other material before they are considered safe to work on with a live current. Similarly, poles should be clean and dry before AMS work begins. Ref:
    STRI Test Report (PDF)<\/a><\/li>\n
  3. Q: What are Jerol poles made from?<\/em>
    \nA: Jerol composite poles are made from fibreglass reinforced polyester with a durable outer shell of polyethylene. Ref:
    Material Safety Data Sheet (PDF)<\/a>
    \n

    \n<\/a><\/li>\n
  4. Q: How much does a composite pole weigh?<\/em>
    \nA: Our composite poles are approximately 50-60% of the weight of a wooden pole with similar dimensions. Ref:
    Pole assortment (PDF)<\/a>
    \n

    \n<\/a><\/li>\n
  5. Q: How strong are the poles?<\/em>
    \nA: The strength of our products is calculated and tested according to EU regulations. The nomenclature is such\u00a0that a Jerol type N pole is equivalent to a type N wooden pole. This holds true for the other classes i.e. G, E, S, S+2. Each of these classes are produced in standard lengths up to 16m. The telecommunication pole has been adapted and exceeds the standard requirements, as a result of the higher demands for strength imposed by Skanova. Ref:
    Load capacities for distribution poles (PDF)<\/a>
    \n

    \n<\/a><\/li>\n
  6. Q: How do the pole characteristics change over time?
    \n<\/em>A: Poles retain their positive qualities over a long period of time. They don\u2019t rot and are unaffected by insects or fungi. This is the case as long as the pole remains installed and upright, and the life expectancy of the pole is calculated at 80 years.
    \n
    \n<\/em><\/li>\n
  7. Q: Can poles be stored on top of each other?<\/em>
    \nA: Yes. You can store a large number of poles by lying them on top of each other, provided that each layer of poles is separated by timber lengths spaced appropriately. Note:<\/strong> During loading, ensure that poles are not allowed to move in an uncontrolled manner.<\/li>\n
  8. Q: What pole lengths are available?\u00a0<\/em>
    \n<\/em>A: We produce poles in standard lengths up to 16m, with longer sizes available upon request e.g. in the past we have produced poles of lengths up to and including 23.5m . As poles are slim with a relatively small diameter they are less suited to long length. We are developing a series of H-frame poles for greater heights. Our current range is most suited to local networks and distribution. Ref:\u00a0
    Post assortment (PDF)<\/a>
    \n

    \n<\/a><\/li>\n
  9. Q: Can Jerol poles be climbed?<\/em>
    \nA: Yes. It is simple to climb Jerol poles using the standard climbing shoes\u00a0and equipment commonly used for climbing wooden poles throughout the Nordic Region. The spikes on these shoes provide grip on the outer layer of polyethylene, and the polyethylene maintains a consistent hardness from temperatures from +20\u00b0C som -30\u00b0C. Equipment should always be maintained and inspected before use. Jerol poles have a consistent diameter across the length of the pole, which means the foot angle is the same throughout the climbing process. Climbing tests have been conducted with a by several parties in the marketplace. Ref:\u00a0
    Climbing Distribution Poles<\/a>\u00a0(0:31),\u00a0Jerol tests: climbing a composite pole\u00a0<\/a>(2:07)<\/li>\n
  10. Q: Will climbing shoes damage the pole?<\/em>
    \nA: No. Standard climbing shoes may leave a small mark on the pole\u2019s outer layer but this does not affect the characteristics of the pole. Any small holes left by the shoes will shrink over time on account of the natural properties of polyethylene. All calculations regarding the strength and capacity of the pole are not related to the polyethylene coating.\u00a0Ref:\u00a0
    Climbing Distribution Poles<\/a>\u00a0(0:31),\u00a0Jerol tests: climbing a composite pole\u00a0<\/a>(2:07)<\/li>\n
  11. Q: Can you use the same equipment, brackets and products used on a wooden pole?<\/em>
    \nA: Yes, for the most part. However one should keep in mind that poles are hollow as opposed to a solid wooden pole. A spacer sleeve for example, is required to support a rod going through the entire pipe. Likewise, fully threaded screws are required to ensure a secure attachment to the pole and appropriately sized plates for supporting bolts and guy-wires, so as to distribute the load over a larger area. The Jerol Handbook shows the differences in material sets and equipment. Ref:
    Jerol Handbook,\u00a0Compatible EBR sets<\/a><\/li>\n
  12. Q: Can Jerol poles be used as struts?<\/em>
    \nA: Yes. As our products function well as struts, but as they are hollow we have together with Ensto developed a new strut mount that is more suited to the task. Ref:
    Jerol Handbook,\u00a0Compatible EBR sets<\/a>, pg 15 (PDF)<\/li>\n
  13. Q: Can staples be mounted in the usual method?<\/em>
    \nA: No. As our products have a high level of fibreglass, hammering in nails and staples can damage the pole. See film:
    Mounting U-nails and guy-wires<\/a><\/li>\n
  14. Q: How should I predrill for nails and screws in Jerol poles?
    \n<\/em>A: We recommend predrilling a hole that is 1mm less than the core diameter of the screw or nail. Note that the post has a high level of fibreglass so an appropriate drill bit is required. Drilling into the post will generate dust, so we recommend the use of general work gloves, a long sleeved shirt and dust mask if required. Dust from drilling or sanding is not dangerous, but can cause irritation. If dust comes into contact with damp skin, wash with cold<\/strong> water. Ref:
    Material Safety Data Sheet pg 4, Jerol Handbook, Environmental Aspects, Working Conditions and Installation Environment<\/a> and Jerol Toolkit.<\/li>\n
  15. Q: Can the pole be cut?<\/em>
    \nA: Yes. In order to cut the pole \u201con-site\u201d, use a reciprocating saw or angle grinder, do not use a chainsaw. Take sure to use the appropriate protective equipment for the skin and airways. See question 12. Ref: Jerol Toolkit<\/li>\n
  16. Q: Where should the pole be cut in order to alter the length?<\/em>
    \nA: Cutting of the pole almost always takes place at the top. That is where the walls are thinnest. The pole can also be cut at the bottom in order customise the installation on uneven terrain, for example. Note that there is a reinforced concrete base at the bottom of the pole. Ref:
    Cutting a composite pole<\/a><\/li>\n
  17. Q: Can the same safety harnesses and ropes be used as on a wooden pole?<\/em>
    \nA: Yes, with some additions. SAR Products as well as C2 Safe have a number of CE approved support lines for Jerol composite poles. Emergency equipment and processes have been tested and approved by safety officers, working environment representatives as well as specialists from C2 Safe, Cresto, Skanova, Eltenetworks, Relacom, and Eriksson Services. Tests have been performed in a range of weather conditions, and with dry and wet poles at -29 \u00b0 C in TAIGA’s climate room in Falkenberg.\u00a0Ref\u00a0
    Climbing a composite pole<\/a>\u00a0(0:31),\u00a0Jerol tests: Climbing a composite pole\u00a0<\/a>(2:07)\u00a0<\/strong>Drop test of\u00a0<\/a>SAR Pole Grip<\/a>\u00a0(0:22)<\/li>\n
  18. Q: Can a standard support lanyard be used with Jerol poles?<\/em>
    \nA: Yes. One should however consider a couple of things. We strongly recommend using CE approved Jerol studs along with a standard support lanyard. These are available for purchase from several providers in the marketplace as well as directly from Jerol. If one does not have access to this or similar equipment then the following should be considered. A standard support lanyard should be looped twice around the pole and then back around on itself. This has been tested in dry and wet weather conditions, and should not be used when the pole is frosty or icy. In sub-zero and inclement weather, Jerol studs must be used to ensure personal safety. Safety is paramount and regulations must always be followed. This is the responsibility of both the climber and supervisors. Ref: Nedtagning n\u00f6dst\u00e4lld & test av st\u00f6dlinor<\/li>\n
  19. Q: Can a Jerol pole catch fire?<\/em>
    \nA: Yes, but it is not easy. For a pole to properly catch fire, a continuous source of ignition is required, such as a burning car at the base of the pole. A fast moving grass fire should not be a problem.<\/li>\n
  20. Q: How much force can a screw mounted in the pole withstand?<\/em>
    \nA: Generally, as a rule of thumb, a screw can withstand 1kN for every mm of screw diameter. For example, a screw with an 8mm diameter can withstand 8kN of both drag and shear force. Ref:
    Load Capacity Testing<\/a> (2:50) and the Jerol Handbook: Verification of calculations via practical tests (PDF).<\/a><\/li>\n
  21. Q: Where is the pole marker located?<\/em>
    \nA: It is mounted 4m from the bottom of the pole, similar to wooden poles. The marker can be moved if required and secured with 6mm self-drilling plate screws. The marker shows the pole type and year of manufacture. Ref:
    Mounting a sign<\/a> (0:21)<\/li>\n
  22. Q: How can the poles be stored?<\/em>
    \nA: Poles can be stored indefinitely without any specific requirements. If a pole will be stored on-site or near an upcoming project, consideration must be given to the surroundings and the appropriate permissions obtained. The nature of the poles means there are no detrimental effects to the environment.<\/li>\n
  23. Q: Are poles affected by water?<\/em>
    \nA: No, Jerol poles are unaffected.<\/li>\n
  24. Q: Are poles affected by water freezing inside them?<\/em>
    \nA: No, not at all. Several tests have been conducted by taking a section of the pole, filling it with water then sealing, freezing, thawing, and repeating. This process affected the metal cap but the pole remained unchanged.<\/li>\n
  25. Q: What happens if the pole receives a hard bump?<\/em>
    \nA: If the pole is knocked by a tractor or snow plow, for example, it must be inspected. If the damage only to the polyethylene covering, it can be repaired with a Vulkduk repair kit (E-number: 0755215, 15cm wide). If the damage is greater, the pole may need replacing or repairing with the mechanical repair set, found in the Jerol Handbook. Ref: Jerol Handbook, Repair Set.<\/li>\n
  26. Q: What is the inspection process?<\/em>
    \nA: The process is simple and straightforward. The first step is to check for visible damage. If it is still standing correctly without visible marks or damage then everything is ok. If the pole has been hit by heavy machinery or a vehicle, then conduct a hammar test in the same way as you would for a wooden pole. If the composite is not damaged, a hammer test will produce a clear sound in the pole. If the composite core is fine and the damage is only to the polyethylene covering, then this can be repaired as described in Q25. If the damage is deeper but repairable, the pole can be repaired as per the Jerol Handbook. Ref: Jerol Handbook, Repair Set. If the damage is larger than 10-15cm2<\/sup>, the pole should probably be replaced. Keep in mind that the undamaged sections can be reused and repurposed in a number of ways. Ref:
    Inspecting a damaged pole<\/a> (0:50)<\/li>\n
  27. Q: Can posts be lifted with GrabJohn?<\/em>
    \nA: Yes. Keep in mind that Jerol poles are hollow. A pole should be lifted carefully and by the correct part of the pole, to maintain even weight distribution. Any additional equipment for the pole should not yet be mounted, so as to not to affect the pole during lifting. We recommend the use of GrabJohn\u2019s pressure distribution equipment to reduce the risk of damaging the pole. Ref:
    Testing GrabJohn<\/a> (1:29)<\/li>\n
  28. Q: How are Jerol poles erected?<\/em>
    \nA: The method used is very similar to that used for wooden poles with the same considerations regarding earth, installation depth, guy-wiring etc. As the pole is hollow we recommend using Jerol\u2019s pressure distribution equipment when lifting the pole. A lifting strap with Jerol studs can also be used, this is a good alternative to GrabJohn. Ref:
    Erecting a composite pole<\/a> (1:11), Jerol Handbook: Erecting a pole<\/a> (PDF)<\/li>\n
  29. Q: Will a Jerol pole rust?<\/em>
    \nA: No.<\/li>\n
  30. Q: Will a Jerol pole rot?<\/em>
    \nA: No.<\/li>\n
  31. Q: Are Jerol poles affected by ants, beetles or other insects?<\/em>
    \nA: No.<\/li>\n
  32. Q: Can woodpeckers bore into the pole?<\/em>
    \nA: No. There was an instance of a woodpecker pecking the polyethylene covering, but this did not affect the composite core or properties of the pole.<\/li>\n
  33. Q: Can Jerol poles be used for other applications?<\/em>
    \nA: Yes. Jerol poles can be used in several different ways, including but not limited to, struts or braces, cable ducts, poles for meter boxes or transformers, and support anchors. Ref:
    Product Data Sheet<\/a> (PDF)<\/li>\n
  34. Q: What\u00a0happens at the end of the poles life?<\/em>
    \nA: The pole is made from materials that do not affect the environment. They can be disposed of in landfill, incinerated or reused. The outer layer of polyethylene can be recycled into new plastic products. The inner core of fibreglass reinforced polyester can be ground down and used in cement, or incinerated.<\/li>\n
  35. <\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

    Video Library Here we have collated all videos regarding our products, videos are divided into the following categories: Electrical, Telecommunication, and Traffic. Click on the link to open the video in a new window. Electrical General Installation General installation video, mounting, cutting, climbing, raising\u00a0(4:54) Climbing Climbing a Jerol pole\u00a0(4:56) Mounting the pole Cutting a composite […]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"page-technical.php","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"acf":[],"_links":{"self":[{"href":"https:\/\/jerol.se\/wp-json\/wp\/v2\/pages\/889"}],"collection":[{"href":"https:\/\/jerol.se\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/jerol.se\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/jerol.se\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/jerol.se\/wp-json\/wp\/v2\/comments?post=889"}],"version-history":[{"count":7,"href":"https:\/\/jerol.se\/wp-json\/wp\/v2\/pages\/889\/revisions"}],"predecessor-version":[{"id":2180,"href":"https:\/\/jerol.se\/wp-json\/wp\/v2\/pages\/889\/revisions\/2180"}],"wp:attachment":[{"href":"https:\/\/jerol.se\/wp-json\/wp\/v2\/media?parent=889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}