45m Light Four Legged Telecom Tower

45M light four legged telecom towerMEGATRO is a full service engineering company with a global reputation for delivering excellence and innovation in telecommunications systems.Over 10 years of experience and innovation in engineering, designing and building towers has evolved MEGATRO into its current form:Full Turn-Key pr

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45M light four legged telecom tower
MEGATRO is a full service engineering company with a global reputation for delivering excellence and innovation in telecommunications systems.
Over 10 years of experience and innovation in engineering, designing and building towers has evolved MEGATRO into its current form:
Full Turn-Key provider including site acquisition, engineering services, manufacturing,   field services-DAS, tech services, value added reseller and monitoring, maintenance and network ownership
Specialize in developing supplying and building wireless and wired networks and in-building telecommunications systems, as well as energy infrastructure
Single source from Design to System Integration
Top quality, ISO 9001 registered
A complete selection of towers including self-support, lattice steel tower, monopoles and guyed towers, form custom-designed radar towers to broadcast towers and energy infrastructure. MEGATRO carries a variety of related products including fall protection, transmission lines, antennas, obstruction lights, and accessories, and other products if client need, MEGATRO also tailored product as per client condition.

MEGATRO mainly design all kinds of towers and posts for:
Power transmission
TV and Radio Broadcast
Roads and City Development
Our complete selection of towers includes:
Guyed towers
Custom-designed radar towers
Broadcast towers
Power transmission
MEGATRO also designs and manufactures tower related products including:
Fall protection
Antenna brackets
Other accessories if needed by clients
This photo refers to our 45M light telecom tower mast, which we exported to some Asian countries these years. It is standard design with weight not too heavier, some of design data as follow:
Specification Of this 45m Mast
a. Fixation of Mast: 4 Legged Mast, Self support
b. Base Height of Mast: Zero Meters.
c. Wind Speed:  170 km/h (operational) fastest mile wind speed and survival wind speed must be more than 200Km/ h
d. Terrain Category: As per BS8100 or equivalent EIA method.
e. Safety Factors: 1.8
f. Maximum Sway at Top: 2.0 degree with full antenna loading at service wind speed.
g. Lightning System: Mast to include lightning rod and lightning protector system. Lightning rod should be 1meter extended from top of Mast.
h. Grounding: Mast must come with cooper grounding rod from top to bottom and with grounding system (< 1 ohms). .
i. Anti-Falling safety System: Mast must come with anti-falling safety stainless steel rope.
j. A labeled schematic drawing shall be submitted. The dimension of the Mast (internal & External) shall be provided. All design calculation for the loading shall be included.
k. The Mast shall be complete with all foundation materials for the installation of it.
l. The foundation for each individual site taking into account the soil condition. Soil test reports to be submitted and approved by our client.
M. Antenna:
6 nos. of antenna place (top level) as stated in the attached site list, where per antenna is 11kg.
6 nos. of antenna place (middle level) as stated in the attached site list, where per antenna is 11kg.
6 nos. of antenna place (lower level) as stated in the attached site list, where per antenna is 11kg.
N. Antenna bracket with 1.5 meter apart.
Antenna booms (3 meter) must be provided for all; top, middle and lower level to support the 18 antennas. To support microwave antenna approximately 45kg.
O. Feeder Running Option: Location for feeder running must be on the inside.
Antenna Fixing Option:  Antenna mounts to be included as required allowing for azimuth and tilting adjustments.
p. Climbing ladder:
There should be provision for climbing up to the top of the Mast use step-climbing ladder. There should not be any gap between connected ladders.
q. Materials.
Masts should be manufactured from steel (high tensile as required) and finished with a hot-dip galvanized coating in accordance with BS729. Slip joints must be designed so the sections are retained over time.
r. Painting.
Paint system should be low VOC water based acrylic enamel finish. Solvent-based paints are not acceptable for safety reasons. Paint colour should match the standards laid out by the ICAO for tower/ Mast.
s. Tower Lighting: Two unit of tower light which should meet the standards laid out by the ICAO Tower/ Mast with photocell sensor per Mast. An approved lighting system shall be supplied with 5-year warrantee.
t. Additional Cable Tray:10 meter cable tray for each site. From Mast to our client equipment and power cabinet, thickness for cable tray must not be less than 0.6mm. Support to hold cable tray must be included. Diameter of pipe to hold the cable tray must be at least 3 inch. Cable tray and pipes must be galvanized.
U. Space Requirement: to be design and install within the space given by our client, and our MEGATRO give full details and information required on 4 legged Mast, self support  
Design Standards:
TIA/EIA 222-G, or BS8100, EUROCODE 3 PART 3-1
A) Dimension and tolerance for angle are according to GB/T1591-1994, similar to EN 10056-1/2
B) Hot dip galvanization in accordance with GB/T 13912-2002, which similar to ASTM A 123
C) The welding will be performance in accordance with AWS D1.1 or CWB standard

Bolts (ISO 8.8, SAE Grade 5, or ASTM A-325) + flat washers, nuts and spring
washers (5% hardware overage)
Anchoring: Anchor rods (ASTM F1554) used with leveling nuts and a positioning template
Shipment: Standard 20' to 40' ISO container
• Detailed packing list
• Installation & maintenance manual
• Foundation design
For this 45m four legged telecom tower and accessories, Our MEGATRO performs in-house design activities by PLS software or other software. Our Engineering Department is boasting of highly qualified engineering who are conversant with international codes and standards. The work is carried out with extensive use of CAE/CAD via a large of computer network. The computer hardware & drafting software are liked to the CNC workshop equipment for downloading of information thereby eliminating error and saving valuable production time.
After fabrication all poles are delivered to the galvanizing facility to be Hot Dip Galvanized. Poles are processed through the facility by Caustic Cleaning, Pickling, and then Fluxing. These strict procedures insure years of maintenance free towers.
Moreover, we offer cost effective range of development and installation service regarding as an additional installation service. These are further, designed for both government and civil communications and suitable for both far-off and short distance communications. For additional protection, we cover these with protective shield to prevent the radioactive fallouts.

Other information:
Availability size: Based on the customer's requirements.
Material: Chinese material or as per clients requirement
Package: Both parties discuss before delivery
Port of Loading: Qingdao Port
Lead Time: One month or based on the customer's needs
Minimum order: 1 set
Fabrication standard: Chinese Standard or other standard which client accepted

All towers manufactured and design shall be generally in accordance with latest revision of the following standards except where specifically directed otherwise.
IEC 60050 (151)                         International Electro-technical Vocabulary
                                       Part 51 Electrical and Magnetic Devices
IEC 60050 (601)                      Chapter 601: Generation, transmission and distribution of electricity-General
IEC 60050 (601)                    Chapter 601: Generation, transmission and distribution of electricity-Operation
IEC 60059                              IEC standard current ratings
Chinese Standard
1GB/T2694-2003Power Transmission line Steel tower - Technical requirements for manufacturing
2JGJ81-2002Technical specification for welding for steel structure of building
3GB9787-88Measuring and allowable tolerance for hot-rolled equal angle
4GB709-88Measuring and allowable tolerance for hot-rolled plate and strip
5GB/T699-1999Quality Carbon Structural Steel
6GB/T1591-1994Low alloy high strength structural Steel
7GB700-88Carbon Structural Steel
8GB222-84Method of sampling steel for determination of chemical composition and permissible variations
9GB/T228-2002Method for Tensile testing of metals
10GB/T232-1999Method for Bending test of metals
11GB/T5117-1995Carbon Welding Rod
12GB/T5118-1995Low Alloy Welding Rod
13GB/T8110-1995Welding wires for gas shielding arc welding of carbon and low alloy steels
14GB/T10045-2001Carbon steel flux cored electrodes for arc welding
15JB/T7949-1999Weld outer dimensions for steel construction
16GB50205-2001Test Standard for Acceptance of Steel Structure
17GB/T470-1997Zinc Ingot
18GB3098.1-2000Mechanical properties of fasteners-Part 1:Bolts, screws and studs
19GB3098.2-2000Mechanical properties of fasteners-Part2: Nuts, and thread
20GB3098.3-2000Mechanical properties of fasteners-Part3: Fastening screw
21GB/T5780-2000Helical Bolts Grade C
22GB/T41-2000Helical Nuts Grade C
23GB/T90-2002Flat Washer Grade C
24GB/T13912-2002Metal Coating, Technical Requirement and Test Method for Hot-dip galvanized Metal Parts
American Standards:
ASTM A6/A6MStandard specification for general requirements for rolled structural steel bars, plates, and sheet piling.
ASTM - 6   -  General Requirements for delivery of Rolled Steel Plates, Shapes, sheet Piling Bars for  structural used
ASTM A36/A36-M-97aStandard specification for Carbon structural steel
ASTM A123 / A123M-02Standard specification for Zinc (Hot-Dip Galvanized) Coatings on iron and steel products
ASTM A143 / A143M-03Standard Practise for Safeguarding Against Embitterment of Hot-Dip Galvanized Structural Steel Products and Procedure for Detecting Embitterment
ASTM A153/ A153M-05Standard specification for zinc coating (Hot-Dip) on iron and steel hardware
ASTM A - 194 -   Grade for bolt
ASTM A239Standard practice for locating the thinnest spot in a zinc (Galvanized) Coating on Iron or Steel Articles
ASTM A242Standard specification for High-Strength Low-Alloy Structural steel
ASTM A307Standard Specification for Carbon Steel Bolts and Studs, 60000 PSI Tensile strength
ASTM A370-06Standard Test Methods and Definitions for Mechanical Testing of Steel Products
ASTM A325Standard Specification for structural bolts, steel, Heat treated 120/105 ksi minimum tensile strength
ASTM A-325 or A-354 -  Galvanized hexagonal head of  connection bolt
ASTM A325-97Standard Specification for High-strength Bolts for structural steel Joints
ASTM A384 / A384M-02Standard Practise for Safeguarding Against Warpage and Distortion During Hot-Dip Galvanizing of Steel Assemblies.
ASTM A394-93Standard Specification for steel Transmission Tower, Bolts, Zinc Coated and Bare
ASTMA - 563-    Class and size of nuts
ASTMA - 572  - Chemical composition of steel
ASTM A572/A572-97cStandard specification for High-Strength Low-Alloy Columbium-Vanadium Structural steel
 ASTMA - 615 -   The anchor bolt material
ASTM A673 / A673M-07Standard Specification for Sampling Procedure for Impact  Testing of Structural Steel
ASTM B201Standard practice for testing Chromatic coating on Zinc and Cadmium surfaces
ASTM  E94-93Standard Guide for Radiographic Testing
ASTM E 709-95Standard Guide for Magnetic Particle Examination
ASCE Manual 72   -  Load testing a simple structure
ASCE 10-97Standard Design of latticed steel transmission structures
AWS D1.1American Welding Society D1,1/D1,1M structural Welding code- Steel
ANSI B-182-2Bolts, nuts and washers dimensions
DIN VDE 0101                       -  Isokeraunic Level
VDE 0201                              - Climatic and environmental   conditions
CVDE 0210                           -  Minimum safety factors under    simultaneous working loads
ISO R898 Mechanical Properties of Fasteners
BS EN ISO 1461:1991 - High dip galvanized coatings on fabricated iron and steel articles. Specifications and standards
A) BS 5950: Welding Terms And Symbols
B) BS 729: Hot - Dip Galvanised Coating On Iron And Steel Articles
C) BS 2901: Filler Rods And Wires For Gas Shielded Arc Welding: Part 1 Ferritic Steels
D) BS 3692: ISO Metric Precision Hexagon Bolts, Screws And Nuts
E) BS 4360: Weldable Structural Steel
F ) BS 5135: Metal - Arc Welding Of Carbon And Carbon Manganese Steel
G) BS 5950: Part 1: Code Of Practice For Loading Latticed Tower & Masts
Part 2: Guide To The Background And Use Of Part 1"Code OF Practice For Loading"
Part 3: Strength Assessment of Members
H) DD 133 (1986): Code Of Practice For Loading Latticed Tower & Masts
I) BS 4592 (1987): Part 2: Specification For Expanded Metal Grating Panels
J) BS 4592 (1977): Code Of Practice For Protective Coating Of Iron And Steel Structure Against Corrosion
K) BS 4190: Bracing & Flanged Bolts
L) BS 4190: Rolled Steel sections, Flats & Plates
If any special requirement, we can design and discuss with client.

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