NordBase Engineering ApS
STRUCTURES FOR TELECOMMUNICATION ANTENNAE
NordBase Structures for Telecommunication Antennae rev 2.2 bsp
Nordbase Structures for Telecommunication Antennae Contents ….1 Introduction ….2 Technical Information ….3 Monopoles & Lamp Posts – Slender, Low Capacity ….4 Multi-Operator Monopoles – Medium to High Capacity, Fixed & Extendable Height ….5 Lattice Towers – Three Leg, Low to Medium-High Capacity ….6 Lattice Towers – Three Leg, High Capacity ….7 Lattice Towers – Four Leg, Medium-High Capacity, High Serviceability, Fixed & Extendable Height ….8 Guyed Lattice Masts – High Capacity, High Serviceability ….9 Other Structures ….9 Ancillaries for NordBase Telecommunication Structures ….10 & 11 NordBase Services Allied to Telecommunication Structures ….12
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Nordbase Structures for Telecommunication Antennae Introduction ….2 NordBase Engineering ApS has extensive experience in the mobile telecommunications industry to which it provides engineering solutions and consultancy services. NordBase has a large portfolio of structures designed specifically to support antennae. These include lattice towers and masts, monopoles and lamp posts. The NordBase portfolio comprises twenty series. Available in all series are generally a range of heights and structure strength classes. Structure strength classes are provided to suit various wind speed, terrain, and serviceability requirements. Structure designs are based upon BS 8100, Eurocodes 1 and 3 and relevant national documents. Further details are located in the Technical Information sheet contained in this document. The engineering aspects, proven through field experience, and the variety of options for antenna mounting, cable management, antenna access, and foundation design, provide a sound basis from which client requirements can be either directly accommodated or met with easy adaptations. This document contains a brief introduction to NordBase’s structures for telecommunication antennae. It is intended to provide a quick reference for shortlisting structures and associated services that best suit particular needs. NordBase is continuously innovating and improving its technical solutions: as a result, the details in this document may, from timeto-time, change. Further information can be obtained by contacting one of the offices listed on the back page.
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NordBase Structures for Telecommunication Antennae Technical Information ….3 • Design Basis Structure designs are based on BS 8100, Eurocodes 1 and 3, or ANSI/TIA/EIA–222–F, as required. When a standard or code is not specified, Eurocodes, and the applicable National Application Document (NAD) are used. If necessary, wind information is obtained from meteorological data. British Standards (Especially for the UK): BS 8100-1:1986, Lattice towers and masts. Code of practice for loading BS 8100-2:1986, Guide to the background and use of Part 1 'Code of practice for loading' BS 8100-3:1999, Code of practice for strength assessment of members of lattice towers and masts BS 8100-4:1995, Code of practice for loading of guyed masts BS 5950-1:2000, Structural use of steelwork in buildings. Hot rolled sections Parameters:BS 8100 Quality Class A structure. Partial safety factor on steel material 1.10, on wind load 1.152 / 1.202, depending on the client. Structure strength classes L, N, S covering reference speeds VB from 24.0m/s to 28.8m/s and terrain categories I to IV according to BS 8100. (VB is the mean hourly wind speed, 50 year return period). Eurocodes: Eurocode 1 Part 2-4, ENV 1991-2-4:1995, Basis of Design and Actions on Structures, Wind Actions Eurocode 3 Part 1-1, ENV 1993-1-1:1993, Design of Steel Structures, General Rules Eurocode 3 Part 3-1, ENV 1993-3-1:1997, Design of Steel Structures, Towers and Masts ENV 1090-3 Part 1: 1996, Execution of Steel Structures, General Rules Parameters:Normal (Class 2). Partial safety factor on steel material 1.10, on wind load 1.40 For safety, Ultimate Limit State (ULS), based on 50 year return wind period For deflection/rotation, Serviceability Limit State (SLS), based on 10 year return wind period National Application Documents: These accompany Eurocodes and are used (a) to verify the equivalent method for calculating the wind loads and the structure load capacity, (b) to take into consideration the specific wind condition and ice load in each area, and (c) to secure the level of safety desired by each country.
• Structural Steel Quality S235 and S355 – EN 10025 / 10210 / 10219
• Load Capacity This is the effective area in square metres (m2) allocated to antennae and antennae support poles. The values in this document are provided to give an approximation of load capacity. In final assessment, serviceability requirements and site-specific wind conditions need to be considered.
• Serviceability The serviceability (deflection/rotation) is the maximum deflection in elevation and azimuth at the top of the structure. For a fully laden NETC structure this is typically 0.3 to 1.0 degree (10 year return wind) and depends upon terrain condition, height, structure type, and strength class (L,N,S).
• Fatigue Service Life In excess of 25 years. NordBase Structures for Telecommunication Antennae rev 2.2 bsp
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NordBase Monopoles and Lamp Posts Monopoles & Lamp Posts – Slender, Low Capacity ….4
Bottom Diameter (mm)
Height (m)
NordBase Series Brief Description
Top Diameter (mm)
Monopoles & Lamp Posts – Slender, Low Capacity
• Structures designed to harmonise with urban and peri-urban environments • Most models are constructed from steel plate bent into tapered polygonal sections • The concrete monopole provides an economical solution where high volumes are required
M12.1607 Fixed height, 15m Load capacity: 2m2, single operator Feeder capacity: Typically 6 x 7/8” in total, plus microwave cables Cable management: Internal Antennae access: Cherry-picker
15
160
292
10 15 20 25
240 240 240 240
397 464 542 605
10 15 20 25
240 240 240 240
397 464 542 605
15
400
400
M12.2409 Fixed heights, 10 to 25m Load capacity: 3m2+2m2, i.e., two vertically stacked side mounted antennae systems, e.g., 3 x UMTS panels below 3 x GSM panels, plus microwave dishes Feeder capacity: Typically 24 x 7/8” in total, plus microwave cables Cable management: Internal Antennae access: Cherry-picker L12.2409 Lamp Post Fixed heights, 10 to 25m The NETC lamp post has similar capacity, cable management and antennae access as the M12.2409 Can be supplied with an outrigger arm for the luminare M00C.4000 Concrete Monopole Fixed height, 15m, comprising a 12m hollow concrete monopole with a 3m top mount steel pole Load capacity: 2m2, single operator Feeder capacity: Typically 12 x 1/2” in total Cable management: Internal Antennae access: Cherry-picker
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NordBase Multi-Operator Monopoles Multi-Operator Monopoles – Medium to High Capacity, Fixed & Extendable Height ….5
Bottom Diameter (mm)
20 25 30 33 36 39 42
440 440 440 440 440 440 440
742 805 883 930 958 1005 1052
15.0 17.5 20.0 22.5 25.0 27.5 30.0
440 440 440 440 440 440 440
825 890 954 1019 1075 1134 1200
20.25 23.50 26.75 30.00
764 689 604 519
1204 1204 1204 1204
20 25 27 30 33 36 39 42
640 640 640 640 640 640 640 640
1154 1275 1326 1406 1478 1554 1631 1707
Height (m)
NordBase Series Brief Description
Top Diameter (mm)
Multi-Operator Monopoles – Medium to High Capacity, Fixed & Extendable Height
• Elegant multi-operator structures • The extendable height series offers added versatility • Constructed from steel plate bent into tapered polygonal sections. Sections are connected by slip joints
M18.4409 Fixed heights, 20 to 42m Load capacity: 9m2; three operators with 3m2 for each operator Feeder capacity: Typically 36 x 7/8” in total, plus microwave cables Cable management: Internal Antennae access: External ladder M18.4416 Fixed heights, 15 to 30m Load capacity: 22m2; at and above 22.5m ht, standard preparation is for four levels Feeder capacity: Typically 48 x 7/8” in total, plus microwave cables Cable management: Internal Antennae access: External ladder M18.5216 Extendable Height Height extendable from 20.25m to 30.0m, in 3 x 3.25m steps. Each given height incorporates a 3m top mount pole. Load capacity: 19m2; standard preparation is for four levels with 5.5m2 for each of three levels, and 2,5m2 for top mount pole Feeder capacity: Typically 48 x 7/8” in total, plus microwave cables Cable management: Internal Antennae access: External ladder M18.6416 Fixed heights, 27 to 42m Load capacity: 22m2; standard preparation is for four levels. The load due to external cables as specified, is taken into account Feeder capacity: Typically 48 x 7/8” (internal) plus 24 x 1 5/8” (external) in total, plus microwave cables Cable management: Internal and external Antennae access: External ladder
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s
NordBase Three Leg Lattice Tower Lattice Towers – Three Leg, Low to Medium-High Capacity ….6
Bottom Facewidth (mm)
12 15 18 21 24
900 900 900 900 900
1100 1100 1300 1300 1500
12 15 18 21 24
1100 1100 1100 1100 1100
1300 1300 1500 1500 1700
24 30 36 42 48
1500 1500 1500 1500 1500
1900 2100 2300 2500 2700
54 60
1700 1700
3100 3300
Height (m)
NordBase Series Brief Description
Top Facewidth (mm)
Lattice Towers – Three Leg, Low to Medium-High Capacity
• From slender to utility, selfsupporting structures providing economical solutions • Constructed from circular hollow section steel tubing • Top sections are parallel sided for ease of positioning antennae
T03.9020 Slender profile. Fixed heights, 12 to 24m Load capacity: 5m2 on the upper 6m Feeder capacity: Typically 12 x 7/8”, plus microwave cables Cable management: Internal Antennae access: Internal
T03.11020 Slender profile. Fixed heights, 12 to 24m Load capacity: 10m2 on the upper 6m Feeder capacity: Typically 24 x 7/8”, plus microwave cables Cable management: Internal Antennae access: Internal
T03.15020 Fixed heights, 24 to 48m Load capacity: 12m2 on the upper 12m Feeder capacity: Typically 18 x 1¼”, plus microwave cables Cable management: Internal Antennae access: Internal
T03.17020 Fixed heights, 54 to 60m Load capacity: 12m2 on the upper 10m Feeder capacity: Typically 18 x 1½”, plus microwave cables Cable management: Internal Antennae access: Internal
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NordBase Three Leg Lattice Towers Lattice Towers – Three Leg, High Capacity ….7
Bottom Facewidth (mm)
24 30 36 42 48
2000 2000 2000 2000 2000
2600 2900 3200 3500 3800
54 60
2300 2300
4400 4700
66 72
2600 2600
5300 5600
Height (m)
NordBase Series Brief Description
Top Facewidth (mm)
Lattice Towers – Three Leg, High Capacity
• Utility, self-supporting structures providing economical solutions • Constructed from circular hollow section steel tubing • Top sections are parallel sided for ease of positioning antennae
T03.20030 Fixed height, 24 to 48m Load capacity: 20m2 on the upper 10m Feeder capacity: Typically 12 x 1¼” plus 12 x 1 5/8”, plus microwave cables Cable management: Internal Antennae access: Internal
T03.23030 Fixed heights, 54 and 60m Load capacity: 20m2 on the upper 10m Feeder capacity: Typically 12 x 1¼” plus 12 x 1 5/8”, plus microwave cables Cable management: Internal Antennae access: Internal
T03.26030 Fixed heights, 66 and 72m Load capacity: 20m2 on the upper 10m Feeder capacity: Typically 12 x 1¼” plus 12 x 1 5/8”, plus microwave cables Cable management: Internal Antennae access: Internal Note: The S structure strength class T03.26035 has a slightly larger bottom facewidth - 5800mm at 66m, and 6100mm at 72m
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NordBase Four Leg Lattice Towers Lattice Towers – Four Leg, Medium-High Capacity, High Serviceability, Fixed & Extendable Height ….8
Bottom Facewidth (mm)
12+2 15+2 18+2 21+2 24+2 27+2 30+2
900 900 900 900 900 900 900
1100 1100 1300 1300 1500 1500 1700
15+2 18+2 21+2 24+2 30+2
1200 1100 1000 900 900
1700 1700 1700 1700 1700
30 36 42 48
1500 1500 1500 1500
2100 2300 2500 2700
Height (m)
NordBase Series Brief Description
Top Facewidth (mm)
Lattice Towers – Four Leg, Medium-High Capacity, High Serviceability, Fixed & Extendable Height
• Multi-operator self-supporting structures • The extendable height series offers future versatility • Constructed from circular hollow section steel tubing • Top sections are parallel for ease of positioning antennae
T04.9020 Slender profile. Fixed heights, 12 to 30m. A 2m top mount pole arrangement can be added to each height Load capacity: 14m2 on the upper 14m Feeder capacity: Typically 24 x 7/8”, plus microwave cables Cable management: Internal Antennae access: Internal or external
T04.9020 Extendable Height Height extendable from 15m in 3m and 6m sections Similar capacity and cable management and antennae access as the T04.9020
T04.15020 Fixed heights, 30 to 48m Load capacity: 12m2 on the upper 10m, Feeder capacity: Typically 18 x 1¼”, plus microwave cables Cable management: Internal Antennae access: Internal Note: NETC four leg lattice towers are available up to a height of 60m.
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NordBase Guyed Lattice Masts & Other Structure
s
Guyed Lattice Masts – High Capacity, High Serviceability ….9
Bottom Dimension (mm)
Height (m)
NordBase Series Brief Description
Top Dimension (mm)
Guyed Lattice Masts – High Capacity, High Serviceability
1200 1200 1200 1200 1200 1200
1200 1200 1200 1200 1200 1200
• Multi-operator guy-wire supported structures offering excellent rigidity • Mast sections constructed from circular hollow section steel tubing • Entire mast is parallel sided, this eases antennae positioning
Three Leg Guyed Lattice Mast G03.12000 Fixed heights, 30 to 90m Load and feeder capacity: A wide range of antennae load and feeder capacities can be accommodated through various guy configurations Cable management: Internal Antennae access: Internal
30 36 42 60 72 90
Further details are available upon request
Other Structures ….9 NordBase has other structures, such as flag and stub poles. For example, the R00.13000 is a stub pole, 3 to 5 metres in height, with a ring for mounting panel antennae. Load capacity is 5m2. Feeders and microwave cables are routed alongside the access ladder. An optional service platform can be provided. Details of other NordBase structures are available upon request.
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NordBase Ancillaries for Telecommunication Structures
• Antennae Mounting Arrangements NordBase can provide a number of different antennae mounting arrangements to accommodate most requirements. These include face mount, ring mount, space diversity set-ups, single pole and multi-pole mount. Antennae mounting arrangements are specified upon agreement with the client.
•
Antenna Access, and Access Safety All towers, with the exception of the very slim monopoles, where access is by way of a cherry-picker, are supplied with uncaged access ladders as standard items. The fall arrest system, anti-climb protection, rest platforms and ladder cage, are specified upon agreement with the client.
• Lightning Protection and Earth Connection Points A lightning finial, plates for earth connection - at structure top and bottom (as well as every ~ 20m), and an earth plate on structure foot or feet (i.e., all lattice tower legs) are installed. The earth plate on the foot provides connection to the earth ring. The above are provided as standard items.
• Cable Management Monopoles are equipped with internal cable suspension systems as standard items. In multi-operator monopoles, each operator’s feeders can be run in their own plastic tube. In large monopoles, external cable routing is offered as an option. Lattice towers generally have the cable management system integrated with the climbing ladder.
• Aircraft Warning Lights Aircraft warning lights that comply with international civil aviation agreements will be provided whenever specified.
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NordBase Ancillaries for Telecommunication Structures
•
Foundation Design A foundation design for normal ground conditions is included with every structure. Depending upon structure size, type and ground conditions, the foundation design of either a raft/block, mono-pile or pier-andpad type will be supplied. As an alternative, the loads for the independent design of a foundation can be provided.
•
Cast-in Parts Cast-in parts are provided as standard items. Exposed steelwork is hot dip galvanised. Bolts are spun galvanised and supplied with nuts and washers. If required, the cast-in part template can be supplied.
• Corrosion Protection All tower, mast and monopole steel material, except stainless steel, is hot dip galvanised externally and internally in accordance with EN ISO 1461 or specific client requirements. Circular hollow section tubes remain open for drainage and ventilation.
• Painting Structures can be painted to satisfy most requirements including those stipulated by international civil aviation agreements. The paint is applied on top of the galvanising. This surface protection system provides superb protection against corrosion.
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NordBase Services Allied to Telecommunication Structures NETC Services Allied to Telecommunication Structures ….12
Design and Development •
Design to Specific Requirements
•
Adaptation of Existing Design
•
Engineer’s Assessment of Existing Structures
•
Structural Analysis
Supply Project Management •
Co-ordinated Delivery Scheduling
•
Work Instructions for Handling
•
Shipping and Transportation Organisation
Civil Works, Rigging and Erection •
Foundation Civil Works Implementation
•
Antennae Mounting & Feeder Installation
•
Tower, Mast and Monopole Erection
•
Site Rehabilitation
Maintenance •
Preventive Maintenance Inspection
•
Recommendation Reporting
•
Remedial Action
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NordBase Serving the Telecommunication Industry
•
Sales & Contracts
•
Infrastructure Build
•
Structure Rigging & Erection
•
Equipment Installation
•
Site Maintenance Service
•
Design & Development
•
Production
•
Supply Project Management
•
Recruitment for Projects
•
Personnel Placement
NordBase Engineering ApS Meterbuen 19 DK-2740 Skovlunde Denmark DD: +45 (0) 4461 6066 Fax: +45 (0)4461 6099 Email:
[email protected]
No rdBase Structures for Telecommunication Antennae rev 2.2 bsp
