ADDITIONAL COMPONENTS


Top Plate

The top plate goes on the top of the tower and is used for attaching guywires, suspension insulators, suspension clamps for sky-wire and, in the case of chainette, the top-cross guy.

The top plate can also be mounted between two sections, as it will not be in the way of the gin-pole or the fall arrestor along any of the corner rails. The mechanical properties of this plate can be tailored to meet any required engineering specifications by changing the thickness of the plate itself (i.e. 1/2” for 40 kip, 3/4” for 60 kip, etc.).

Material: Aluminum Alloy 6061-T6
Weight: 12 kg (27 lb)



Guywires and Anchors

The emergency tower is anchored using steel guywires and an anchoring device. A range of options is available and the selection of anchor is dictated mostly by soil type, and also by client preference. Tower Solutions engineers help the client to select the best anchoring system for the conditions presented.

Temporary towers can help speed up the tower erection process. While some of the line crew begins erecting the tower, others can install the permanent anchors. Temporary anchors consist of a steel sabot and 3 steel pinning rods. A soil assessment must be made to ensure that the pinning rods will hold the required loading. Typically a pionjar is used to drive these rods into the ground. Once the tower is erected, the temporary anchors can be removed because they are not needed for dismantling the tower.

Material: G 40.21-44W Galvanized steel
Weight: 9 kg


 

Gin-Pole

The gin-pole is a tool used for raising and lowering tower sections, insulators and other components up and down the tower if other lifting equipment, such as a crane or boom truck, is not available. It is attached to any one of the four corner rails of the tower.

The gin-pole is operated manually by a small crew or by using a simple power winch or small vehicle or other pulling device. Tower Solutions offers a Capstan Winch specially designed for this purpose. Sometimes, it is difficult to get heavy lifting equipment into the working area, or it may simply be too costly, so the ginpole provides a simple way to erect the tower quickly anywhere.

The gin-pole is designed for safe and easy operation and, like all the other tower components, is completely maintenance free. The gin-pole can be locked into position at any point along the tower by securing a fixing device on its base into any of the cutout holes along the tower section.

Material: Aluminum Alloy 6061-T6
Weight: 48 kg (106 lb)
Rating: 250 kg (550 lb) (safety factor: 2.5)


Helicopter Centering Tool 

When a helicopter is used to hoist the tower columns into position, a Helicopter Centering Tool is used to help the pilot drop the column onto the lower one. This tool is clipped to the top section of the tower and the pilot lowers the tower column onto it. It gives the helicopter pilot an easy target to work with. It can be left in place if desired, because it does not interfere with the travel or the attachment of any of the tower components.

Material: Aluminum Alloy 6061-T6
Weight: 11 kg (24 lb)


Alignment Tool

The alignment tool is used to hold two adjacent tower sections in alignment while they are bolted together. Typically two of these tools are used, one on opposite corners of the tower.


Lineman’s Platform

This aluminum platform is used when the line worker needs to reach further out from the tower. This is a sturdy but lightweight tool that can adapt to any orientation around the tower. A safety cable is featured as an integral part of the platform. The platform extends 2.5 m and a telescoping secondary platform extends the reach of the main platform by an additional 1m.


Lineman’s Step 

When climbing the tower, the lineman uses the holes in the tower walls for a ladder, and the hard soles of his boots are rigid enough that climbing is comfortable. Sometimes though, it may be necessary for the climber to spend more time in one place, in which case it would be more comfortable to rest the foot on a wider surface. The lineman’s step provides a convenient platform for this purpose, and is easy to carry along on the climber’s belt.


Fall Arrestor

The fall arrestor is a safety device for the lineman. Designed exclusively for Tower Solutions, this device allows free movement in the upward direction and only in the upward direction. Like a seatbelt in a car, it locks into position when pulled in the opposite direction. As the line worker climbs the tower, the fall arrestor travels effortlessly with him, attached to any one of the 4 corners of the tower. But when climbing down, the fall arrestor has to be moved by the lineman. In the event of a fall, this device locks firmly onto the fixed rail and stops the fall before it starts. The free upward movement of this safety device eliminates the need for manual locking mechanisms and makes climbing the tower easier, faster and safer.

Material: Aluminum Alloy 6061-T6, SS/304
Rating: 140 kg (285 lb) (safety factor: 3, Fall Arrester Testing report by Tower Solutions Inc., January 25, 2005; IEC tested in Brazil)


Pionjar (Ground Rod Driver)

This is a petrol powered tool used to drive pinning rods into the ground. This tool speeds up the tower erection process and reduces the effort needed to drive the rods into the ground. This tool is also used to drill holes for rock anchors.

Weight: 27 kg (60 lb)


Capstan Winch  

The capstan winch is a petrol powered winch. It is used to raise the tower to the vertical position and to hoist and lower tower components during erection or dismantling of a tower. This winch has a unique braking system that prevents the possibility of an uncontrolled free fall and ensures easy operation when hoisting or lowering tower sections.

Maximum capacity: 500 kg (1100 lb)
Weight: 15 kg (33 lb)


Ground Rod Extractor

The ground rod extractor is a tool used for removing the steel pinning rods from the ground. Once the tower has been erected and securely guyed to permanent anchors, there is no further need for the temporary anchors and they should be removed. And after the tower has done its job and has been dismantled, the foundation plate must be removed from the ground. The ground rod extractor is needed to pull the rods out of the ground so the anchors and the foundation plate can be removed.

Material: G 40.21-44W Steel
Weight: 15 kg (33 lb)


Pivoting Lever

The Pivoting Lever is a simple levering device used to raise the initial tower column from the horizontal to the vertical position when a crane or boom truck is not available. The lever provides the lifting angle, and a pulling device such as a Capstan Winch provides the pulling power.

When a tower is erected, the first few sections are usually joined together horizontally on the ground. This is then raised to the vertical position and secured into place with guys and anchors. Additional sections are added one at a time to the top of the tower using the ginpole, or in longer sections using a boom truck or helicopter.

Insulators

The insulators used with the Tower Solutions tower system are the polymer type and meet all electrical and mechanical specifications required by utilities. Polymer insulators are lightweight, easy to transport and easy to install. Dimensions and weight of these insulators vary with voltage capacity.

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