Rocla concrete pole_guide_2010

A Murray & Roberts Company

Murray&RobertsROCLA

OUR DIFFERENCE IS CONCRETE

Concrete Pole Guide

Rest easy, when you know the concrete difference between ROCLA and the rest.

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INTRODUCTION

ROCLAOUR DIFFERENCE IS CONCRETE

CONTENTS

Concrete Poles

Poles for Lighting

Poles for Electricity

Cast poles for Electrification

Reticulation Poles

Transmission & Distribution Poles

Other Applications

Tractional Masts

Telecom Poles

Manufacturing & Testing

Transport, Handling & Stacking

Installation

Quick Product Range Guide

Pg 2

Pg 3

Pg 4

Pg 5

Pg 6

Pg 7

Pg 8

Pg 9

Pg 11

Pg 12

Pg 13

Pg 15

Pg 17

The information contained in this brochure is made available in good faith as a convenient guideline for product selection by clients and no liability can be accepted for any errors in the data. Rocla’s ongoing research and development programmes may in any event result in changes and improvements to the information at the time.

Rocla is South Africa’s leading manufacturer of a wide range of precast concrete pipes, culverts, poles and various other precast products. Information on each of these products is available from your nearest Rocla sales office to assist in the selection, specification, handling, installation and use of our precast concrete products.

This brochure contains information on Rocla’s concrete poles for lighting, electricity, telecommunications and other applications. Rocla worked closely together with Eskom over the last 3 decades in the research and development of concrete poles for electrification.

Similar brochures are available describing precast concrete pipes for storm water and sewage systems, irrigation and water systems, trenchless installations (jacking), housing and sundry cast items.

Rocla has 13 factories strategically located to service the demand for precast concrete products in each of the nine provinces of South Africa together with factories in Botswana and Namibia. Every factory has a Quality Assurance Management System and is listed in terms of SABS/ISO 9001:2008. In addition with this, all of the products from the factories that are governed by SABS specifications bear the SABS Mark of Approval. Rocla will design and manufacture products for non-standard applications and will also manufacture to client’s specifications. In these cases, the client has the assurance that the product will have the benefit of Rocla’s quality management system.

Please note that only the Roodepoort factory has the specialised equipment required to manufacture concrete poles. Your local Rocla sales office will advise you on which factory can supply your specific needs most effectively.

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CONCRETE POLES


Rocla is the pioneer in the manufacture of concrete poles in South Africa. The past ten years has seen particularly rapid growth in the use of concrete poles as timber and steel poles lost their cost effectiveness and became increasingly unacceptable environmentally. The Rocla product range falls into two broad categories: cast concrete poles which are cost effective for a wide range of applications and are made in lengths up to 13m; spun concrete poles which are manufactured in single lengths up to 24m and in jointed lengths to make a pole of 40m length.

Rocla spun and cast concrete poles have many advantages because they are:

• Maintenance free• Aesthetically pleasing and environmentally friendly• Resistant to vandalism and theft because they have: 1. No scrap or resale value 2. No value as wood or building struts for houses• Resistant to fire• Resistant to termites• Standard in dimensions• Made to client’s specifications with preformed holes• No drilling necessary. Assembly of fittings is easy• Amenable to being stored and stockpiled even in remote areas, because: 1. Weight of poles discourages theft 2. Poles will not corrode or rot 3. Rectangular profile is easy to stack

In addition Rocla spun poles are:

• Exceptionally smooth and durable. Routine maintenance inspections are not necessary. No protective coatings are required• Capable of an extra long service life from the high density spun concrete and the precision steel reinforcing cage• Non-absorbent. Traffic and any other markings can be painted on without the need for special primers• Constant in taper and dimension. Handling and installation equipment can be standardised

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POLES FOR LIGHTING


Rocla’s reinforced, hollow, spun concrete poles are the “benchmark” product for long life, zero maintenance, street lighting poles. The poles are available in a wide range of heights, load capabilities and fitting requirements. The elegant appearance of the poles with it’s smooth light grey finish and continuous taper, makes it very attractive for street lighting.

Rocla’s spun poles for street lighting are manufactured from high quality durable reinforced concrete in a standard range of lengths from 4,5m to 13.0m. The unique centrifugal process creates a uniformly dense strength concrete with smooth, impervious, finish. The standard lighting pole is made to the strength specification in SABS 470. Other strengths and lengths can be designed and manufactured to suit customer requirements. All Rocla street lighting poles conform to SABS 470 and carry the SABS Mark of Approval. Earthing

Rocla’s poles are manufactured with an integral earthing system. Stainless ferrules, flush with the outside of the pole, provides an electrical connection to all of the pole’s reinforcement wire.

Abnormal Environments

Rocla design engineers are available to advice on the most cost effective way of customising the lighting poles to suit a marine environment or particularly aggressive soil conditions. Design modifications for these circumstances may be additional cover for the reinforcing or protective coatings; an appropriate concrete mix would be designed incorporating pulverised fly ash, slagment or condensed silica fume.

Streetlight Poles

04,506,007,007,007,507,508,009,010,011,012,012,013,013,0

1,001,201,301.301,351,351,401,501,601,701,801,801.901,90

2.52,55,58,52,55,52,55,58,08,55,58,55,58,5

130130130160130160130130160160130160130190

198220265265243273250265310325310370325385

0,2370,3450,6040,6050,4730,6170,5220,6310,8881,0741,1521,0511,2691,448

150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75

465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145

POLE SIZE

LENGTH (m)A

CABLE ENTRY D (mm)

INSPECTIONBOX (mm)

E

PLANTINGDEPTH (m)

F

STRENGTH(kN)TIP DIA (mm)

BBUTT DIA (mm)

CMASS

(t)

3

100

mm (B)

(A)

(C)

(F)

76 or 42mmDia.Spigot if required

Access DoorOpening (E)

Cable EntryHole (D)

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POLES FOR ELECTRICITY


A vision of electricity for all the people of South Africa was well established in Eskom more than three decades ago. Rocla fully subscribed to and supported it. Together we researched and developed concrete poles for use in electrical power transmission and distribution.

The pilot concrete pole project was Orange Farm, a cooperative effort between Eskom, Rocla and other companies. Rocla now provides economical cast concrete pole systems to the electrical distribution market. The

technically advanced tall spun pole has been used on transmission lines for new development areas such as Richards Bay, Venetia Mine etc.

As detailed on page 3 under “Poles for lighting”, provision for earthing is integral to a Rocla pole and the design can be readily customised to suit aggressive environments. Rocla has the technical and manufacturing skills to provide concrete poles for the country’s electrical distribution needs far into the future.

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CAST POLES FOR ELECTRIFICATION


The electrification of South Africa’s townships needs to be done on a cost effective, productive basis. The Rocla cast concrete pole has become a standard for this purpose with many advantages over traditional wooden poles and is used extensively by Eskom and other developers.

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Advantages

•An optimised design enabling the use of standardised fittings and aids productivity of installation.•The concrete pole is resistant to vandalism and fire.•Maintenance-free and long life design Rocla concrete poles tackle the challenge of township electrification with a system that has the versatility of above ground installation while being a cost effective long term product.

APPROXIMATEMASS (t)

STRENGTH(kN)

LENGTH(m) A1 x A2 B1 x B2

TIP DIAMETER (m) BUTT DIAMETER (mm) PLANTINGDEPTH (m)

Cast Poles

07,0

07,5

09,0

09,3

11,0

13 ,0

100

200

100

165

130

160

100

245

154

220

196

238

225,0

462,5

295,0

414,5

345,0

445,0

1,30

1,35

1,50

1,50

1,70

1,90

0,257

1,139

0,515

1,017

0,836

1,397

04,0

20,0

06,0

17,5

08,0

10,0

120

350

160

275

180

250

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RETICULATION POLES


Reticulation systems for electricity typically refer to the supply of 11kV and 22kV power to farming communities and other outlying facilities. One of the particular advantages of the concrete pole for this purpose is its resistance to veld fires. The cost of replacing damaged wooden poles far outways the cost of a concrete pole. These days it is, in any event, normally more cost effective to install an original concrete system, than a wooden one based on life-cycle costing.

Rocla’s concrete poles can be designed with precast holes and the strength to accommodate the customer’s conductor span lengths. The standard design suits stand off insulators. With this, the assembled pole is fully maintenance-free and presents a very neat, pleasing appearance.

LENGTH (m)A

DIMENSIONS

6

Single Poles Suspension Structures Only

PLANTING DEPTH (m)

B C FTIP DIA (mm) BUTT DIA (mm) MASS (t)

STRENGTH(kN)

05,505,508,517,005,508,005,508,517,018,005,508,505,508,508,510,018,0

07,009,009,009,010,010,011,011,011,011,012,012,013,013,014,014,015,0

160130160190130160130160190228130160130190160190228

265265295375280310295325355393310370325385370400453

0,6040,6310,8071,1530,7640,8880,8451,0741,5081,5201,1521,0511,2691,4481,5321,7702,285

1,31,51,51,51,61,61,71,71,71,71,81,81,91,92,02,02,1

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TRANSMISSION AND DISTRIBUTION POLES


Rocla’s technically advanced spun concrete poles are well suited for the exacting requirements of electrical distribution line construction. The durable, maintenance-free poles are not only very strong but are uniformly strong through 360º unlike the normal cast concrete poles which have a major and minor load axis. The spun pole derives its extra strength properties from the unique centrifugal manufacturing process which gives uniform densely compacted concrete along the whole length of the pole. The last stage of the spinning cycle also removes water that is surplus to cement hydration requirements.

Spun poles are invariably less expensive on an installed basis than alternative systems and because of their long maintenance-free life are certainly more cost effective longer term. Part of the cost saving arises from the smaller servitudes, less expensive footings and quicker installation for concrete poles compared with alternative systems. Rocla manufactures its standard range of poles in accordance with Eskom’s specifications. However Rocla’s engineering resources are able to cater for a client’s special needs.

This design drastically reduces the incentive for theft and vandalism. The advantage of small servitude needs is also well appreciated by farmers: particularly those doing intensive farming on high value land.

Distribution structures such as transformer poles, air break switch supports and underground cable terminations can all be replaced cost effectively with Rocla concrete pole systems. The standard systems are Eskom approved and poles are type tested at Eskom’s Rosherville Testing Station.

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Single Sections

NOTE: Although the above are standard lengths and strengths manufactured by Rocla intermediate length strength can be designed too.

NOTE: Please see D-DT-253 series for more information on Spun Concrete pole designs for 132kV transmission lines.

PLANTING DEPTH (m)LENGTH (m) TIP (mm) BUTT (mm) MASS (t)

STRENGTH(kN)

POLE SIZE

Double Poles

19,221,024,0

372300300

660615660

12,00610,68613,064

2,52,73,0

206156156

PLANTING DEPTH (m)LENGTH (m) TIP DIA (mm) BUTT DIA (mm) MASS (t)

STRENGTH(kN)

DIMENSIONS

Jointed Sections

26,428,831,233,636,0

300300300300300

696732768804804

09,03810,41311,68013,34715,040

3,23,53,74,04,2

50,050,050,050,050,0


STRENGTH(kN)

DIMENSIONS

2,22,22,22,32,32,32,32,42,42,42,42,52,52,52,52,72,72,73,03,03,0

15,6 15,6 15,6 16,8 16,8 16,8 16,8 18,0 18,0 18,0 18,0 19,2 19,2 19,2 19,2 21,0 21,0 21,0 24,0 24,0 24,0

264 264264228228300300228228228300300300300372300300300300300300

498498498480480552552498498498570552588588660615615615660660660

152530183250551528365025365065213250324050

2,8722,9542,9842,8253,0344,1404,4243,0763,2503,3284,8224,2424,8564,9896,0034,9605,0845,3436,1406,5106,532

The mass of the connecting steel elements is not included in the pole mass as given in the table above

www.rocla co.za ROCLAOUR DIFFERENCE IS CONCRETE

Other Pole Specifications

Security and Monitoring

In the world of today, Rocla’s concrete poles are playing an important role in the particularly strong market growth sectors of security surveillance and intelligent transportation systems (ITS).

Rocla Spun poles are ideally suited to provide permanent, low maintenance, vandal proof structures to affix CCTV cameras or monitoring equipment to. Rocla poles do not require any stays to prevent movement unlike steel poles.

The pole design allows for the cables to be fed from the ground through the pole, which is hollow, so that tampering or theft of cables is significantly reduced.

We have supplied numerous poles along major routes in Gauteng as well as large security companies who have chosen Rocla poles for the right reasons.

Stadium Lighting

OTHER APPLICATIONS

Particularly international sport is increasingly a significant revenue earner for our country, important for our image abroad and is playing a major role in building a sense of pride and belonging among all our people. Whether at the international facility level or at local recreational level, sports grounds need to be suitable for years of maximum utilisation. Rocla’s spun concrete poles provide a versatile, aesthetically pleasing, maintenance-free and vandalism-free, solution for floodlighting poles that are an investment in the decades ahead.

Park and Public Lighting

For people to enjoy the benefits of parks and public areas to the full the security aspects have to be addressed and be environmentally compatible. Area lighting has an important role to play. Rocla concrete poles will generally be less expensive to install that their steel and fibre glass equivalents, while giving additional benefits of durability, zero maintenance and attractive appearance.

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9

Tractional Masts

Rocla manufactures electrification masts for the railways which require a concrete pole design capable of handling very high loading. These masts are used for OHTE (overhead track equipment) equipment and come in lengths of 11m, 12m and 13m. Rated at either 64kNm or 84kNm strengths.

Concrete masts are ideal for long term OHTE structures which don’t need to be maintained and aren’t affected by natural elements, vandalism or rust.

TRACTIONAL MASTS

TRACTIONAL MASTS


10

11,0

12,0

13,0

172

166

160

195

165

200

1000

2000

1700

6060

6710

7190

14,339

15,128

16,708

14,478

15,278

16,868

30

30

25

10

11

12

LENGTH(m) B1 x B2

TIP (mm) S (mm) T (mm) X (m)64kNm

WEIGHT (t)

84kNmn (mm)


TELECOM POLES

The recent rapid coverage of the country’s main urban areas and connecting roads with tall microwave cellular telephone masts had been handled with appropriate concern for the environment. Rocla was able to satisfy the need for an environmentally friendly structure with their elegant spun concrete pole. Rocla’s product is also more cost effective than traditional alternatives, while offering a maintenance-free, longer lifespan.

The standard design Rocla concrete pole, catering for a pre-determined load and standardised fittings, is extremely cost effective. Whatever telecom cables are involved, whether lightweight or heavy multicore copper, Rocla’s engineering department can create appropriately optimised designs to suit the need.

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Telecom Pole Specifications

21,024,028,831,233,636,0

300300300300300300

615660732768804804

10,68613,06410,41311,68013,34715,040

2,73,03,53,74,04,2

50,050,050,050,050,050,0

PLANTING DEPTH (m)LENGTH (m) TIP DIA (m) BUTT DIA (m) MASS (t)

STRENGTH(kN)

DIMENSIONS

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MANUFACTURING AND TESTING


Manufacturing Process

Rocla’s spun poles are manufactured from high quality, durable, partially prestressed or reinforced concrete. Precision formed reinforcement cages are made from circumferential spirals, resistance welded onto longitudinal wires. To ensure correct concrete cover, the cages are positioned in steel moulds using stainless steel spacer studs, concrete is then introduced and the mould is spun. The poles are steam cured before being stripped from the mould. This centrifugal process creates a uniformly dense high strength concrete with a particularly smooth finish.

Rocla’s cast poles are made in steel moulds from high quality concrete with a mix designed to achieve the strength and durability required by the customer. The mix is vibrated and steam cured before removal from the mould

Testing

Rocla’s manufacturing facilities are all ISO 9001:2008 quality management systems accredited. It is Rocla’s policy to test poles to SABS 470 specifications and stamp it with a unique traceability reference.

The scope of the testing procedure covers:

• Inspection• Test Frequency• Dimension checks• Straightness tests• Proof Load test• Cover to reinforcing checks• Torsional test• Ultimate load test

Rocla’s testing policy exceeds the requirements for testing frequency laid down in SABS 470.

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TRANSPORTING, HANDLING AND STACKING


Transporting

Normal cast concrete poles should be transported with the narrow face of the pole upwards. Layers of poles must be separated by timber bearers not less than 100mm x 100mm in section. The bearers should be placed ¼ of the pole length from each end of the concrete pole together with a centre support. To prevent lateral movement and damage to the poles during transportation, they should be placed with the butts in each layer together with packaging material between and securely strapped. To even out the load distribution it is good practice to alternate the pole tips and butts between layers.

If poles of different lengths are being transported, the longer poles should be placed in the bottom layers. Where

it is not possible to have wooden bearers for the shorter poles positioned vertically above the lower bearers, rubber tyres should be used under the bearers to provide resilient support.

The transportation of spun concrete poles up to 12m in length requires a trailer with a rigid loading platform and chassis. The sides of the trailer should be fitted with steel hooks spaced at not more than 1m apart to attach holding down straps or chains.

Poles exceeding 4.5m in length must be supported at a minimum of three points. To secure the load to the trailer without damaging the surface of the pole, chains covered with protective rubber, strapping or rope should be used.

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Handling

Care must be taken when handling, transporting and storing concrete poles to avoid overstressing them or causing surface damage. Lack of care can be costly.Damage can be caused by dropping poles, knocking them together or subjecting them to point loads.

When unloading poles by crane on site, a single point lift may be used. Please contact your nearest Rocla office to establish the correct position of the lift points for the particular poles. To avoid point loads or abrasion damage at the lift point, a protective timber “corset” about 0.5m long should be used. If no suitable timber is available, use a thick wrapping or canvas or jute bagging under the lifting chain. Alternatively use a fabric sling.

When the pole is to be lifted for insertion into the ground, a one point lift must be used. The lift point must be 1/3 of the pole length from the top of the pole. Guard against localised damage at the lift point by taking the precautions given above.

For two point lift, the lifting positions should be 1/4 of the pole length from each of the pole.

Stacking

Poles should be stored on a hard, level piece of ground. The poles should be placed ¼ of the pole length from each end of the concrete pole together with centre support.

When stacking several layers high, position timber bearers between each layer vertically above the bearers below. For stable, safer stacking of tapered poles, alternate the tips and butts of each layer. Do not stack more than eight layers high.

It is good, safe practice to have separate stacks for each length, diameter and type of pole.

TRANSPORTING, HANDLING AND STACKING

14

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INSTALLATION


Planting Poles

All Rocla poles carry a mark which indicates 1,5m above the design ground level in order to gauge the correct planting depth.

Pole holes should be dug so that the access slope into the hole be parallel to the feeder line. The width of the hole should be as narrow as possible, while allowing the pole to be planted to the correct depth.

A practical way of planting large poles is as follows:

Use a concrete manhole as a sleeve. This sleeve could be planted and backfilled as described below. This method limits the craneage cost on site. The poles could be chocked into position and the annulus between sleeve and pole could be filled with a sand/cement mix afterwards.

15


Compacting Soil After Planting Poles

After a pole has been planted to the required depth, dampen the soil that is to be used to fill in the hole. If the soil is squeezed in the hand and holds its shape when the hand is open, it indicates the right moisture content to ensure good soil compaction.

It is important to note that there is no point backfilling the hole completely and then trying to compact the soil. The effects of compaction only penetrate about 300mm of soil.Therefore backfill the hole 300mm layers at a time. Compact each layer with a mechanical compacter or with a hand stomper of a least 25kg in weight. Drop the compactor 400mm per blow and apply 30 blows to each layer of soil around the pole.

If you encounter difficult soils the procedure must be modified:

• A loose soil that does not compact when wet must be thoroughly mixed with three pockets of cement for each m³ of material. The above compaction procedure can then be carried out 300mm layers at a time. Note that the pole will need at least two days before any tension can be applied.• A very clayey, wet soil must be replaced altogether by an imported soil. The imported material should preferably be a well grade silty soil. This should be mixed with cement, as previous described, moistened and used as backfill according to the previous compaction procedure.

In the case of tall poles, such as low voltage 7m concrete poles, in a wet clayey area, extra stabilising will be needed. It is recommended that four concrete lintels (1.0m long x 100mmx100mm) are used as baulks. Two concrete lintels must be placed, one on top of the other, at the bottom of the hole. They must be placed against the pole on the opposite side to the intended service take off. The soil behind the lintels must be very well compacted as described above for clayey soils. At 400mm from the surface, the other two lintels must be positioned, one on top of the other against the pole, on the same side as the intended service connections. Finally the soil behind these two lintels must be thoroughly compacted. If the hole is water logged, the water must be removed before backfilling with a cement stabilised appropriate soil.

OTHER INFORMATIONThe information contained in this brochure is intended to give an appreciation of the range of concrete poles and technical support available from Rocla. Contact your nearest Rocla office for any clarification you may need on items in this brochure or additional information to give you cost effective, long term solutions to your problems

INSTALLATION

16


QUICK PRODUCT RANGE GUIDE

17

Streetlight Poles

04,506,007,007,007,507,508,009,010,011,012,012,013,013,0

1,001,201,301.301,351,351,401,501,601,701,801,801.901,90

2.52,55,58,52,55,52,55,58,08,55,58,55,58,5

130130130160130160130130160160130160130190

198220265265243273250265310325310370325385

0,2370,3450,6040,6050,4730,6170,5220,6310,8881,0741,1521,0511,2691,448

150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75150 x 75

465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145465 x 145

POLE SIZE

LENGTH (m)A

CABLE ENTRY D (mm)

INSPECTIONBOX (mm)

E

PLANTINGDEPTH (m)

F

STRENGTH(kN)TIP DIA (mm)

BBUTT DIA (mm)

CMASS

(t)

APPROXIMATEMASS (t)

STRENGTH(kN)

LENGTH(m) A1 x A2 B1 x B2

TIP DIAMETER (m) BUTT DIAMETER (mm) PLANTINGDEPTH (m)

Cast Poles

07,0

07,5

09,0

09,3

11,0

13 ,0

100

200

100

165

130

160

100

245

154

220

196

238

225,0

462,5

295,0

414,5

345,0

445,0

1,30

1,35

1,50

1,50

1,70

1,90

0,257

1,139

0,515

1,017

0,836

1,397

04,0

20,0

06,0

17,5

08,0

10,0

120

350

160

275

180

250

Single Poles Suspension Structures Only

PLANTING DEPTH (m)

B C FTIP DIA (mm) BUTT DIA (mm) MASS (t)

STRENGTH(kN)

05,505,508,517,005,508,005,508,517,018,005,508,505,508,508,510,018,0

07,009,009,009,010,010,011,011,011,011,012,012,013,013,014,014,015,0

160130160190130160130160190228130160130190160190228

265265295375280310295325355393310370325385370400453

0,6040,6310,8071,1530,7640,8880,8451,0741,5081,5201,1521,0511,2691,4481,5321,7702,285

1,31,51,51,51,61,61,71,71,71,71,81,81,91,92,02,02,1


QUICK PRODUCT RANGE GUIDE

18

Single Sections

PLANTING DEPTH (m)LENGTH (m) TIP (mm) BUTT (mm) MASS (t)

STRENGTH(kN)

POLE SIZE

2,22,22,22,32,32,32,32,42,42,42,42,52,52,52,52,72,72,73,03,03,0

15,6 15,6 15,6 16,8 16,8 16,8 16,8 18,0 18,0 18,0 18,0 19,2 19,2 19,2 19,2 21,0 21,0 21,0 24,0 24,0 24,0

264 264264228228300300228228228300300300300372300300300300300300

498498498480480552552498498498570552588588660615615615660660660

152530183250551528365025365065213250324050

2,8722,9542,9842,8253,0344,1404,4243,0763,2503,3284,8224,2424,8564,9896,0034,9605,0845,3436,1406,5106,532

Double Poles

19,221,024,0

372300300

660615660

12,00610,68613,064

2,52,73,0

206156156


STRENGTH(kN)

DIMENSIONS

Jointed Sections

26,428,831,233,636,0

300300300300300

696732768804804

09,03810,41311,68013,34715,040

3,23,53,74,04,2

50,050,050,050,050,0


STRENGTH(kN)

DIMENSIONS

The mass of the connecting steel elements is not included in the pole mass as given in the table above

11,0

12,0

13,0

172

166

160

195

165

200

1000

2000

1700

6060

6710

7190

14,339

15,128

16,708

14,478

15,278

16,868

30

30

25

10

11

12

LENGTH(m) B1 x B2

TIP (mm) S (mm) T (mm) X (m)64kNm

WEIGHT (t)

84kNmn (mm)

Tractional Masts

Telecom Pole Specifications

21,024,028,831,233,636,0

300300300300300300

615660732768804804

10,68613,06410,41311,68013,34715,040

2,73,03,53,74,04,2

50,050,050,050,050,050,0

PLANTING DEPTH (m)LENGTH (m) TIP DIA (m) BUTT DIA (m) MASS (t)

STRENGTH(kN)

DIMENSIONS

A Murray & Roberts Company

Murray&RobertsROCLA

OUR DIFFERENCE IS CONCRETE

ROCLA NATIONWIDE

Positioned to serve your needs, Rocla’s 13 factories are strategically located throughout South Africa’s nine provinces and in Namibia and Botswana.

South Africa and offshore markets are cost effectively supplied by road, rail and sea.

Made by modern processes, supervised in accordance with SABS Quality Management System, Rocla’s factories make products that proudly carry the SABS Mark of Approval.

• Blackheath: Tel: (021) 905-1270, Fax: (021) 905-2913• De Aar: Tel (053) 631-3601/2, Fax: (053) 631-3351• George: Tel: (044) 874-3108, Fax: (044) 874-1822• Newcastle: Tel: (034) 375-7848/9, Fax: (034) 375-6941• Nelspruit: Tel: (013) 752-2403/77, Fax: (013) 752-3200• New Germany: Tel: (031) 705-1525, Fax: (031) 705-1773• Orkney: Tel: (018) 473-3341, Fax: (018) 473-3659• Polokwane: Tel: (015) 293-1857/8, Fax: (015) 293-2821• Port Elizabeth: Tel: (041) 486-1462, Fax: (041) 486-2835• Roodepoort: Tel (011) 670-7600, Fax: (011) 672-2464• Virginia: Tel: (057) 212-3177/8, Fax: (057) 212-3179• Windhoek, Rocla Pipes: Tel: (0926461) 26-3128, Fax: (0926461) 21-5149

Pole Enquiries: P O Box 92, Roodepoort 1725, Tel: (011) 670-7600, Fax: (086) 637-0975. Email: [email protected]

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Engineering

Rocla concrete pole_guide_2010