Megatro 60m Lattice Meteorological Towers

• Structure: Three-Column Steel Pipe Tower
• Shape: Triangular with Cross Sections
• Standard: Nonstandard
• Material: Angle Steel Tower
• Belly Bar Shape: Cross Type
• Certification: ISO
• Model NO.: MGT-60MT
• Condition: New
• Design Software: Pls
• Accessories 1: Cable Tray
• Accessorie 2: Aviation Light
• Accessorie 3: Anemometer
• Accessorie 4: Vane
• Accessorie 5: Thermometer
• Accessorie 6: Barometer
• Accessorie 7: Hygrometer
• Accessorie 8: Data Logger
• Transport Package: Export Standard Package
• Specification: As per client requirements
• Trademark: MEGATRO
• Origin: Shandong, China
• HS Code: 73082000
• Production Capacity: 30000 Sets/Year

Product Description

MEGATRO 60m lattice meteorological towers
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:

1. Telecoms
2. Power transmission
3. TV and Radio Broadcast
4. Roads and City Development

 
Our complete selection of towers includes:

1. Self-supporting
2. Monopoles
3. Guyed towers
4. Custom-designed radar towers
5. Broadcast towers
6. Power transmission

 
MEGATRO also designs and manufactures tower related products including:

1. Fall protection
2. Antenna brackets
3. Other accessories if needed by clients

 
This photo refers to our 60m lattice meteorological towers which we exported to some Asian countries these years, some of design data as follow:
 
This lattice tower design was implemented using CAD/CAE technology. Modelling design and assembly as well as finite element analysis techniques were integrated with platform. We design them by PLS software to improve and optimize the strength of the components for the specific system development.
This 60m lattice tower is designed to withstand wind velocities of more than 40m/sec with icing.
In the high altitude areas, (>1000) the heavy snowfall during the winter might build ice over the guy wires, which result in heavy loading of the anchors and the lattice structure.
Structure: this 60m lattice met tower sections are built by three columns fixed with circular bars forming a collateral cross section of 400mm long, and each section 6m long or as per client requirements.
The whole structure is manufactured out of galvanized steel with electro-statically painted in red and white according to civil aviation authority rules.
The tower base plate is made off welded rectangular steel hollow sectons coated with zinc spray.
The guy wires are from galvanized steel of a cross-section fo 12mm and a steel core of ultimate tension strength 1900MPa.
 
The anchors are placed in three concentric circles of legs where the center of each circle is the base of the lattice tower.
The tower can be erected using a gin pole and handheld tools without the need of a crane or trained climbers.
The lift anchors, where the gin pole is mounted, are placed 12m from the tower base, opposite the spread out lattice mast as showed in the schematic.
Optionally the tower could be erected by climbers.
 
Lattice 60m
The 60 meter tower model consists of 10 six-meter sections, and is mounted using six guy wire levels. This tower can be tilted up using a 12m tubular gin pole.
 
This 60m lattice met masts should be manufactured from steel (high tensile as required) and finished with a hot-dip galvanized coating in accordance with BS729.  
 
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.
 
Design Standards:
TIA/EIA 222-G, or BS8100, EUROCODE
Eurocode 1:
EC1 PART1. 4EN1991-1-4 wind actions
EC1 PART1.3EN 1991-1-3 snow loads
 
Eurocode 3:
EC1 PART3.1 1993-3-1 tower and masts
EC1 PART1.11 1993-1-11 design of structures with tension elements
 
Eurocode 8:
EC8 1998:06-design of structures for earthquake resistance-part 6: towers, masts and chimneys
 
BS EN 795-protection against falls from a height-anchor devices-requirements and testing
 
Fabrication
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

Connections:
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
 
Documentation:
• Detailed packing list
• Installation & maintenance manual
• Foundation design
 
For this 60m lattice meteorological tower, 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



APPLICABLE STANDARD AND CODES
All towers manufactured and design shall be generally in accordance with latest revision of the following standards except where specifically directed otherwise.
General
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

No	Code	DESCRIPTION
1	GB/T2694-2003	Power Transmission line Steel tower - Technical requirements for manufacturing
2	JGJ81-2002	Technical specification for welding for steel structure of building
3	GB9787-88	Measuring and allowable tolerance for hot-rolled equal angle
4	GB709-88	Measuring and allowable tolerance for hot-rolled plate and strip
5	GB/T699-1999	Quality Carbon Structural Steel
6	GB/T1591-1994	Low alloy high strength structural Steel
7	GB700-88	Carbon Structural Steel
8	GB222-84	Method of sampling steel for determination of chemical composition and permissible variations
9	GB/T228-2002	Method for Tensile testing of metals
10	GB/T232-1999	Method for Bending test of metals
11	GB/T5117-1995	Carbon Welding Rod
12	GB/T5118-1995	Low Alloy Welding Rod
13	GB/T8110-1995	Welding wires for gas shielding arc welding of carbon and low alloy steels
14	GB/T10045-2001	Carbon steel flux cored electrodes for arc welding
15	JB/T7949-1999	Weld outer dimensions for steel construction
16	GB50205-2001	Test Standard for Acceptance of Steel Structure
17	GB/T470-1997	Zinc Ingot
18	GB3098.1-2000	Mechanical properties of fasteners-Part 1:Bolts, screws and studs
19	GB3098.2-2000	Mechanical properties of fasteners-Part2: Nuts, and thread
20	GB3098.3-2000	Mechanical properties of fasteners-Part3: Fastening screw
21	GB/T5780-2000	Helical Bolts Grade C
22	GB/T41-2000	Helical Nuts Grade C
23	GB/T90-2002	Flat Washer Grade C
24	GB/T13912-2002	Metal Coating, Technical Requirement and Test Method for Hot-dip galvanized Metal Parts

 

 
American Standards:

Standard	Description
ASTM A6/A6M	Standard 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-97a	Standard specification for Carbon structural steel
ASTM A123 / A123M-02	Standard specification for Zinc (Hot-Dip Galvanized) Coatings on iron and steel products
ASTM A143 / A143M-03	Standard Practise for Safeguarding Against Embitterment of Hot-Dip Galvanized Structural Steel Products and Procedure for Detecting Embitterment
ASTM A153/ A153M-05	Standard specification for zinc coating (Hot-Dip) on iron and steel hardware
ASTM A - 194	-   Grade for bolt
ASTM A239	Standard practice for locating the thinnest spot in a zinc (Galvanized) Coating on Iron or Steel Articles
ASTM A242	Standard specification for High-Strength Low-Alloy Structural steel
ASTM A307	Standard Specification for Carbon Steel Bolts and Studs, 60000 PSI Tensile strength
ASTM A370-06	Standard Test Methods and Definitions for Mechanical Testing of Steel Products
ASTM A325	Standard 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 A325-97	Standard Specification for High-strength Bolts for structural steel Joints
ASTM A384 / A384M-02	Standard Practise for Safeguarding Against Warpage and Distortion During Hot-Dip Galvanizing of Steel Assemblies.
ASTM A394-93	Standard 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/A572-97c	Standard specification for High-Strength Low-Alloy Columbium-Vanadium Structural steel
ASTMA - 615	-   The anchor bolt material
ASTM A673 / A673M-07	Standard Specification for Sampling Procedure for Impact  Testing of Structural Steel
ASTM B201	Standard practice for testing Chromatic coating on Zinc and Cadmium surfaces
ASTM  E94-93	Standard Guide for Radiographic Testing
ASTM E 709-95	Standard Guide for Magnetic Particle Examination
ASCE Manual 72	-  Load testing a simple structure
ASCE 10-97	Standard Design of latticed steel transmission structures
AWS D1.1	American Welding Society D1,1/D1,1M structural Welding code- Steel
ANSI B-182-2	Bolts, 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.