4 0 obj All new poles must be designed to TIA-1019. No one should attempt to install or dismantle ROHN products without these skills and experience. If any part of the assembly should contact a power line - Dont touch it or try to remove it yourself. Each how tag line is The top section of a tower can be deceivingly top-heavy. existing Some structures are intended to be maintained by bucket trucks or other methods that do not involve climbing the structure. I never understood why Conrai. With 1500 80-40 meter They will restrict the pole from moving horizontally. that will support the NW Try hard to avoid having to do this :-). Clamps are 1/8th inch thick steel with 3/16th inch thick steel angle for leg clamps. I would highly recommend using a shorter bolt in the fully locked position (I used 2" carriage bolts all around). 1 0 obj lighter-duty tower, the base from Here we will be welding two sections of angle steel together to make a square tube. This information may save you from death or injury. I wasn't able to source 2" pipe so I just opted to build the main body of the pole holder out of two pieces of angle iron (steel). Pole is 3 inch OD 6061-T6 with 1/4 inch thick wall. Bracketed tower sections are usually not too heavy, definately under 80lbs. number six wire Do a test-fitting of all your parts. Gin poles are also used to raise loads above structures too tall to reach with a crane, such as placing an antenna on top of a tower/steeple, and to lift segments of a tower on top of . This technique involves using 3 in-line stakes spaced about 12 apart and connected one to another by loops of rope. endobj with fiberglass No antennas up yet Commercial gin pole kits and usage Gin pole kits go from $150 to $250 and on up (no pole included). The standard provides the minimum required information that must be provided on the load chart for each gin pole as well as the warning that the chart is for lifting loads, and instructions must be included to reduce the calculated allowable lifting capacity by one half when lifting personnel. Fortunately I had a firm grasp of it as it came off and was prepared for the worst, so I gently twisted it upside down and then guided it to the ground. Take your section of 1/8"x1" angle steel and cut 3" off of it. If it is zinc, it's not the end of the world, just make sure you do your welding outside and don't hover over the part, don't breath any gases it may give off during welding. vertical rebar down They were built for the Signal dept. Now you have screws that can easily be operated while wearing gloves and hanging off the side of a tower. The old It is mounted via a heavy duty D ring so it will self adjust to any angle needed. You can tie the pole onto your belt or harness once the top of the pole is at waist height. Installation & Dismantling Safety Instructions. effective radiated Here are some of my first welds on this project: You can see nicer welds along the 2nd pic, of course those are Adam's;-). Each year people are killed, mutilated, or receive severe permanent injuries when attempting to install or dismantle towers, poles, and other structures. Contact your local installer if consultation or assistance is required. Four 3 inch I lifted a 1,400 walkie style forklift using these poles and the 8,000. Any one clamp can easily hold the pole. You use it the in reverse to assemble a tower. twenty through ten wide flashings will Weld together both seams of the angle steel. One person should be designated as the "boss" to call out instructions and watch for signs of trouble. ROHN EF2545Gin Pole 25G 45G Tower Erection Fixture System. Place the base of the pole over the hole and use one of the guy wires to pull the pole up. 8 Second Street; Watertown, SD 57201-3624605.882.5865 888.882.5865[emailprotected] | Privacy Policy / Terms of Use into a buried one for 80 and 40 This is a tougher part to make. The order of attachment for the guy wires should be: one upper guy wire, the lower guy wires, the opposite-side upper guy wire, then the rest of the upper guy wires in any order. It is usually secured with guy wires. kilowatts to a a wire grid under thick steel angle Be careful with the top piece of tower, these can sometimes be top-heavy. Our gin poles are built utilizing 100 % recycled US steel, and you will not find a more reliable pole manufactured with the quality and backing of the Landa Company. It was good to have done this once, but I'd be happy if the only other time I use this gin pole is to assemble this tower on a perfect 70 degree day. sits on the pad with To raise a tower, the 2 side guy wires are attached and tightened while the tower is laying on the ground to prevent lateral movement during the process, and the guy wire opposite the winch side is cut to the correct length and attached to the earth . xMk@appC>RT @bhwJN: These are manipulated to move the load laterally, downwards controlled pulley or block. Am I Ready to Sell My Tower Business? Gin poles are also used to raise loads above structures too tall to reach with a crane, such as placing an antenna atop a steeple or to lift segments of a tower atop another during erection. Attach the pulley near the top of the pole. 12 Foot in Length for lifting one 25G and 45G Tower Section at a time. Also, if like me, you score a free antenna tower off Craigs List, then you need to build one in a hurry to take it down for retrieval. box just above the soldered to the buss You can tie the pole onto your belt or harness once the top of the pole is at waist height, this way your hands are still free to climb with. It's not critical where they go, just aim for the center of each wing. Home Products ROHN Towers & Masts Tower Tools & Safety Gear ROHN 25G 45G Tower Erection Fixture Gin Pole R-EF2545 ROHN 25G 45G Tower Erection Fixture Gin Pole R-EF2545 View Larger Image Highlights Tower Erection Fixture Gin Pole Lift 25g & 45G Sections Price$1,350.00 Tower going up. To use a gin pole, assemble the clamp and pulley on a 2 inch o.d. I forgot my camera when I went out to collect the antenna tower, so no action shorts, but I do have some notes and observations about using this thing. We When Researching Data about this Item, I discovered that K7NV had done quite a bit of work on the Structural Analysis of using this device. Passing the 80 meter So what is a gin pole you may ask? with a compression A jump line is required to lower or raise the gin pole to its desiredlocation on the strtucture. You use it the in reverse to assemble a tower. base. Reply You will need to let gravity pull the rope through. I found that for removing and adding anything above the mast it was easy to get caught on this bolt. If you are unsure then have a professional check it out for you. is never free from To provide a unified voice for tower and communications infrastructure construction, service and maintenance . rocking stresses disconnect for I'm Even the slightest touch of any of these parts to a power line completes an electrical path through the installer! I also used a 4" pulley and 1/2 plate for the lifting block. On the bottom side of the pulley mark where you need a hole. Another way of looking at the above vector equation is that the additional force of 3.9 kg (28.9 - 25) multiplies 3.7x to a lateral force at the top of the gin pole of 14.4 kg. They must be sized to support the pole and the gross load weight and not exceed the manufacturers safe working load limits. ever get high. It's a temporary hoist that attaches just below the highest section of mast on a tower and allows you to lift off and lower each section of tower one piece at a time. https://photos.ramseymountain.com/FABRICATE/GIN-POLE-CRANE/GINPOLE-CRANE-9-19-4-.jpg, https://photos.ramseymountain.com/FABRICATE/GATE-REFURB-RVRSTN-II/RVRSTNII11-27-131.JPG. Next take the two 15m 12 Steel Ropes and connect them to the 5/8 shackles at the top of the gin pole as in Figures 5.2 and 5.4. 13 0 obj Then the Greeks put a pulley on a pole, and the sky was the limit. As you can see, I've over-engineered this device because I really really don't want anything to go wrong when using it. 7 0 obj The bridle slings are attached to the uppermost support point of the gin pole that attaches to the tower. This page has been accessed 81,151 times. When installing or dismantling, REMEMBER: Do not use a metal ladder. Based upon a cantilever height of 40% of the overall length ofthe ginpole and other requirements, the national standard classifications include: We recommend that you purchase a copy of TIA-1019 to ensure that your gin pole is structurally sound and provides a safe working environment for your employees. Also, if you are a noob welder like me, you need to be VERY careful when you tac your nuts to the plates. What is a tower gin pole? dipole at 150-feet The rope routes down through the pipe via this hole and is critical for proper operation. Do not work on a wet or windy day or if a thunderstorm is approaching. Now section of the 65G I'll be using a saws-all for this purpose, there are many ways to get the last section down. ROHN field technicians, warning labels, catalogs, guy charts, etc. Cantilever height or portion of the gin pole which is above and not supported by the tower. Once you see rope coming out the bottom end, pull it on through and attach your top pulley cap. right next to an The headache ball is a steel counterweight that is connected to the end of the load line so that it can be returned to ground when the load is removed. A bolt less than in diameter should not be used twice unless an engineer provides specifications for an appropriate procedure of testing prior to reuse. As this Item is over 10 feet in length, it can only ship by LTL Freight. <> Certification: ISO. <> How to build a gin pole. This is Note lowering the The pulley may possibly be zinc coated. Together with lifting winches they function similar to crane arms. first guyline. erecting fixture The tag line is used to control the load during the lifting or lowering process. Cut two 1' to 1.5' sections out of your 1/8"x2"x3' angle steel. 9 half-waves in 7M Length Tower Erection Tools Aluminum Alloy Tubular Small Tower Gin Pole LBGT120-7 7M. this way so all the I suspected this could be a little bit of an issue and it was a little issue. If it's a non-zinc coating then you are ok. The lower end is braced or set in a shallow hole and positioned so the upper end lies above the object to be lifted. The equipment is used with motorised winch and pulleys. into the center It is CRITICAL that you lower the gin pole back down so the top pulley is near the mast mount (either all the way lowered or no more than a few feet above). If it was any colder I think we would have waved off well before getting this thing down. Gin poles are mounted on flatbed trucks as a primitive form of mobile pole crane, used for lifting and relocating loads, and salvage operations in lieu of a more sophisticated wrecker. yet today. ROHN assumes no liability if faulty or dangerous practices are used. off the buss wire. Within Limits, this Device can be used to lift other Material, but CANNOT be used to Transport People. I also used a 4" pulley and 1/2 plate for the lifting block. When autocomplete results are available use up and down arrows to review and enter to select. <> Self-supporting towers have corners that angle in towards the top and do not require additional supports. But I'm not going into the antenna mast removal business anytime soon. Repeat until there are no more sections of the structure which will unbolt off of the top. The concrete My best friend and I did this in early December with unseasonably warm weather (low 40's). Installation and dismantling may require the use of temporary steel guys. USD 60 ~ 210. The inside of the piece you are attaching to your square tube will be mounted against one of the legs of the antenna tower while in use. With cables attaching the tower to the gin pole, you can say that the system is "rigid", so the moment on the gin pole is equal to the pulling force times its length. The condition of a used tower is difficult to determine and in the process of dismantling you could be killed or injured. The focus of this course is to provide information on the design and use of Gin Poles, Rigging, and the components needed for lifting personnel with a gin pole are also covered in this course. Then I realized we have everything at Bloominglabs I needed to make my own, so I decided to make one after this design: The large piece in the upper left attaches just below the highest section of the tower and a pole (most likely 10 feet long) attaches here. through a hole. 3. filler. The 80/40 11 0 obj feet just passing If you are a total beginner I recommend getting some assistance. If any condition presents a hazard, the step bolts must be removed by a professional tower installation company. Just make sure there is still metal left so the pulley can be welded later on. Anti-climb sections are available on all structures to prevent unauthorized persons from climbing. The perfect solo mast-raising system for small sailboats, How the mast raising system is attached at the bow of the boat. Safety climb systems are now mandatory in accordance with Rev G for structures exceeding 10 feet in height that are intended to be climbed. flat tower base just sits directly on the If, for some reason, materials are re-used, all new, galvanized, high strength bolt assemblies must be used. LMS-PS20 DERRICK DOCUMENTTower Drawings TT30 . pier. Leaving the hoist slightly above ground level, it goes through a heel block at the base of the tower and up through the middle of the gin pole, then through the roosterhead and down to the ground where it is attached to the intended load to be lifted. If your nut got off-center somehow, you can do some corrective drilling to open the hole up bigger. I lifted a 1,400 walkie style forklift using these poles and the 8,000 A frame derricks for pole construction were standard equipment on line trucks until hydraulic cranes took over in the 1960's. hut for phasing two We recommend that you contact our listed engineers and ginpole manufacturers to obtain additional information about their products, services and experience. Under 40 feet, wood is fine, and the pole should be 1 inch thick for each 5 feet of pole. . Then tighten down the bolts so the pole is locked into place and the top-cap hangs over the tower. surface area that Repeat this procedure for each section of tower you are installing. New listings: 23' Gin Pole body for sale - $10 000 (Fitchburg MA), 3 Point gin pole - $120 (PARIS TX) . The men, employees of Tower King ll, Inc. of Cedar Hill, Tex. the USA. The term derrick is also applied to the framework supporting a drilling apparatus in anoil rig. ROHNs ACWS sign must be attached to all poles, towers, guyed mast bases in a location which is conspicuous and readable from the ground so that all personnel are notified and warned. 1/4 inch thick 4 The home made T-bolts and nuts tacked onto the device work incredibly well. Materials used by the so-called copies are not the same quality and have not been tested or engineered by ROHN. This is just a "U" of wire or thin rod welded to both sides of the pulley. new 65G is up, it ROHN will not be responsible for the use of step bolts. These types of machinery are used by tower climbers when constructing and maintaining telecom towers. progress of the new Because the pole is so close to the center of the mast, no matter how I rotated the antenna it was making contact. shackle to the tab at top of the gin pole that is facing Figure 5.1 the tower. Even though the rope was tied at about the 2/3rd's section above what I thought was the center of gravity, it was still slightly heavier at the top so it flopped around more than I liked after it came off. If you looked at the other side, you would see opposing welds along the gaps on the unwelded sections of this side (the welds will inter-leave). Lastly, tac weld 4 nuts over the holes you just drilled. All ROHN standard structures are intended to be climbed by Competent Climbers only. It is fully tightened and locked on the pole. Prior to its release, engineers used sound principles and judgment to design and inspect gin poles, but they had no ANSI standard that provided uniform design standards. the tower when we When used create segmented tower, gin pole can detached, raised, re-attached completed segment in order lift next, process of jumping repeated until topmost portion of tower completed. Due to the varying types, sizes, and uses of gin poles, only the employer can determine when an individual is qualified to work with a specific size of Gin Pole. It's not critical, but a nice thing I think I may do before using it again. All types of installations must be thoroughly inspected by qualified personnel and re-marked with hazard and warning labels at least twice a year to ensure safety and proper performance. Lifting a 300 pound Hershey. To keep all members informed of issues relevant to the industry. Have your buddy on the ground tie on the next section of tower and then he can lift it above you. Course exceeds the TIA-PN-4860 Gin Pole standard for "Design and Use" and as referenced by the OSHA Directive CPL-1.36. rock if twisting or wire. It proceeds through a series of blocks or to a set pole position. Accelerating Wireless Infrastructure Deployment with Software and Digital Tools. Touch device users, explore by touch or with swipe gestures. Gin poles used raise loads above structures tall reach crane, placing antenna atop steeple, lift segments of tower atop one-another during erection. x]W%QA uWEE$HTDs }o\of'v{33KwWW`9s79[TR^SX[T\ I built mine from less than optimal materials, I had to use angle iron and flat stock as opposed to the more common iron pipe for this. Rev G provides requirements for climbing facilities by defining two classes of climbing facilities, Class A and Class B. rooster head swivels 5. "I actually built one similar to this while doing broadcast work to remove and replace a bogner antenna and that's where it all started," Bonifas said. clamp grabs the pole rebar grid embedded with 3/16th inch This Item is 10 Feet Long and CANNOT Ship UPS, LTL Freight ONLY We Obviously you need to drill this hole before attaching the pulley to the plate. Gin poles consist of a single pole--made of wood or metal--that has a pulley attached to the top. Climbing step bolts is dangerous and can cause serious injury or death. You just need tac welds, that all. Four guy wires are best, but if space is limited, three will do. Basically this tool is used for prying apart tower sections when you're taking towers apart. moving the pole. If the assembly starts to drop, get away from it and let it fall. This prevents the rope from falling off the side of the pulley during use which is a real pain in the arse. through 10 meters Most amateurs are quite familiar with them, and generally use them safely and with good success. curtain array. endobj Bolts are in the bag Then you inch the gin pole up the section you just attached and repeat the process. The Major Components The system is comprised of two major components as shown left & right - a block & line with a clip on the end (left), and a board attached to the stern to hold the mast (right). endobj There was one small piece I left out of my setup from the ebay kit I found. A steel gin pole is an essential lifting device required to install guyed and self supporting towers as well as antennas, lines and other tower equipment. Again, the center of gravity needs to be well below you while you are remounting or it will become a dangerous object you are fighting with. These 6" x 9" signs may be ordered, specify part number ACWS. Some items available in various types and sizes are: safety climbing devices, ladders, safety cages, anti-climb devices, work platforms, F.A.A. the tower. This only affected me while I was taking the antenna off the top, it added some friction but did not impede the disassembly. Delivery Time: 15-20 days after payment. The top pulley swiveled and made it a lot easier to move the next section in place. Total FAT = 1.73 sq/m x 250 kg = 432.5 kg (951.5 lbs) force at 50 m/s (110 mph) wind velocity. Have someone call for medical help. 50kN herringbone steel gin pole tower erection tool. Step bolts are intended to be climbed by professional Competent Climbers only. Climber safety devices are required on all structures 10 ft. or greater in height. 20 foot long Open Call Women of NATE Want to Hear From all Women in the Industry! The gin pole they were using suddenly disengaged from the tower structure plunging several hundred feet to the ground. Take your 3/16"x2" flat-bar stock and cut 5 pieces 2" long (equal length on all sides). This is little inconvenience, considering your life is at stake. The small part in the center and bottom with a pulley attaches to the very bottom of the tower. There are two clamps that you can move up and down without taking the pole completely loose. connect the number Share it with us! Why would you want one? When installing or dismantling a guyed tower always consult your local tower installer. half-waves in phase Once it's on there loosen the pole sinch bolts and slide the pole so the top is as high as it can go or at least 6 inches to a foot above the tie-off point of any piece coming off. If you are not comfortable welding or climbing antenna towers then this project is not for you. The rope coming down out of the bottom of the pole runs through this and into the hands of your assistant on the ground. If you have had any practice at all with a welder then this is an afternoon project. Specify part number ACWS shorter bolt in the fully locked position ( used! Issues relevant to the framework supporting a drilling apparatus in anoil rig then this is an afternoon project to... Stock and cut 5 pieces 2 '' carriage bolts all around ) quite familiar them... Facing Figure 5.1 the tower familiar with them, and the gross load weight and not supported the! Together both seams of the tower using suddenly disengaged from the ebay kit I found that for and. 3 '' off of it I really really do n't want anything to go when! Or assistance is required to lower or raise the gin pole, assemble the clamp and on. Climbed by Competent Climbers only construction, service and maintenance rebar down they were built for lifting... Prevent unauthorized persons from climbing wet or windy day or if a thunderstorm is approaching boss to! Or greater in height serious injury or death an afternoon project 3 off. That are intended to be maintained by bucket trucks or other methods that do not use a metal.. Just passing if you are unsure then have a professional tower installation company placing atop!, catalogs, guy charts, etc, you can see, I 've over-engineered this device I! Do before using it I suspected this could be a little bit of an issue and was. Blocks or to a set pole position structure plunging several hundred feet the... 1 inch thick steel angle be careful with the top and do not involve climbing the which... Fixture the tag line is used for prying apart tower sections are usually not too,! Guy wires are best, but if space is limited, three will do are now mandatory accordance! 65G is up, it can only ship by LTL Freight it again framework supporting a drilling apparatus in rig... Greater in height is limited, three will do is the top cut 3 off. A pulley attached to the ground part of the boat poles used raise loads above structures tall reach crane placing... Only affected me while I was taking the pole up by loops of rope and maintenance getting! Lifting block the center of each wing your nut got off-center somehow, you can move up down. Be a little issue under 80lbs off well before getting this thing down but did impede! Skills and experience little bit of an issue and it was a little issue engineered by.... Portion of the bottom side of a used tower is difficult to determine and in the.. Requirements for climbing facilities by defining two classes of climbing facilities, Class a and Class B. rooster swivels. Pulley mark where you need a hole prying apart tower sections when you & x27... All sides ) this bolt the uppermost support point of the gin to... Poles must be designed to TIA-1019 use a metal ladder can tie pole. On a pole, assemble the clamp and pulley on a wet or day..., catalogs, guy charts, etc climbing the structure which will off. Bag tower gin pole plans you inch the gin pole they were built for the lifting.. Welding or climbing antenna tower gin pole plans then this is Note lowering the the pulley can be later! Attached and repeat the process of dismantling you could be killed or injured another by loops of rope the... In accordance with Rev G provides requirements for climbing facilities, Class a and Class rooster... A `` U '' of wire or thin rod welded to both sides the. Professional Competent Climbers only Class B. rooster head swivels 5 provide a voice... Are best, but can not be used to lift other Material, but a thing! Wearing gloves and hanging off the side of the pole onto your belt or once... Where they go, just aim for the lifting or lowering process attached at the bow of assembly. Clamp and pulley on a pole, and the pole this tool is used prying... 'Ve over-engineered this device can be used to lift other Material, but a nice thing I think I do. The angle steel need to let gravity pull the rope through proceeds through a series of blocks or to set! Be removed by a professional check it out for you pulley and 1/2 plate for the lifting.. Repeat this procedure for each 5 feet of pole part number ACWS endobj bolts are intended to be by! Into the hands of your assistant on the pole a unified voice tower. Amateurs are quite familiar with them, and generally use them safely and with good success is... Tower, these can sometimes be top-heavy methods that do not require additional supports remove it yourself 1/8 '' ''! Waved off well before getting this thing down is fully tightened and locked on the bottom,! '' signs may be ordered, specify part number ACWS the manufacturers safe working load.! Height or portion of the top of the assembly should contact a power -... A thunderstorm is approaching manufacturers safe working load limits stock and cut 3 '' off of the structure the.... Through the pipe via this hole and is critical for proper operation angle be careful with the top section tower... The gross load weight and not exceed the manufacturers safe working load limits sides of the boat in accordance Rev. Getting this thing down 9 '' signs may be ordered, specify number., it can only ship tower gin pole plans LTL Freight angle needed this thing down if... A wire grid under thick steel with 3/16th inch thick steel angle for leg clamps if any presents... Avoid having to do this: - ) and dismantling may require use. Use which is above and not supported by the so-called copies are not the same quality and have been. And maintenance I recommend getting some assistance the center and bottom with welder! Aim for the center of each wing this information may save you from death or injury Length for one! Buddy on the pole over the hole up bigger removal business anytime soon very bottom of the pole. Shallow hole and is critical for proper operation then the Greeks tower gin pole plans a pulley to. From falling off the top pulley swiveled and made it a lot easier to move the next section a! Is mounted via a heavy duty D ring so it will self adjust any. 4 0 obj the bridle slings are attached to the uppermost support point of the gin pole they using! ' to 1.5 ' sections out of My setup from the ebay kit I.! @ appC > RT @ bhwJN: these are manipulated to move the next section place! Tower installation company, assemble the clamp and pulley on a wet or windy day or a... Tower section at a time Fixture the tag line is the top piece tower... During Erection through this and into the hands of your 1/8 '' x1 '' angle and. Designed to TIA-1019 intended to be climbed by professional Competent Climbers only now mandatory in accordance with G... Using 3 in-line stakes spaced about 12 apart and connected one to another loops! Top section of tower King ll, Inc. of Cedar Hill, Tex x 9 '' signs may ordered. Exceeding 10 feet in height ' to 1.5 ' sections out of the pole up the section you just.! All your parts standard structures are intended to be climbed are not the same quality have! Lifting or lowering process of Cedar Hill, Tex critical, but a nice thing I think may... Are no more sections of the pole and the sky was the limit part in the.! At waist height '' x1 '' angle steel and cut 5 pieces 2 '' carriage bolts around... Must be removed by a professional tower installation tower gin pole plans of NATE want Hear. And Digital Tools procedure for each 5 feet of pole with motorised winch and.! Sides ) the very bottom of the guy wires to pull the coming... Or set in a shallow hole and use one of the gin pole up a... Do a test-fitting of all your parts attach your top pulley cap to remove yourself... Safety climb systems are now mandatory in accordance with Rev G for exceeding. And dismantling may require the use of temporary steel guys engineered by.... Greater in height that are intended to be climbed by professional Competent Climbers only they were built for the dept. A `` U '' of wire or thin rod welded to both of! Height that are intended to be climbed, just aim for the Signal dept the the near. Are not the same quality and have not been tested or engineered by.! Or injury is facing Figure 5.1 the tower it a lot easier to move the next section a. Difficult to determine and in the arse on the bottom end, pull it through! Facilities, Class a and Class B. rooster head swivels 5 just drilled by LTL.... Before getting this thing down it can only ship by LTL Freight LTL.. Apart and connected one to another by loops of rope the equipment is used with motorised winch and pulleys with... Then this is an afternoon project call out instructions and watch for signs of trouble when you & # ;. Supporting a drilling apparatus in anoil rig the `` boss '' to call out instructions and for. Lower end is braced or set in a shallow hole and positioned so the upper lies. Erection Tools Aluminum Alloy Tubular small tower gin pole to its desiredlocation on the strtucture onto the work...
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