Ground Based 20m, 22m, 24m Telecom Poles

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    2017-12-16 11:48

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Qingdao Megatro Mechanical and Electrical Equipment Co., Ltd.

Mr. Karl(Mr.)  






No. 288, Zhuhai Road, Huangdao District, Qingdao, Shandong, China 266400




Ground based 20m, 22m, 24m telecom poles
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:
l Full Turn-Key provider including site acquisition, engineering services, manufacturing, field services-DAS, tech services, value added reseller and monitoring, maintenance and network ownership
l Specialize in developing supplying and building wireless and wired networks and in-building telecommunications systems, as well as energy infrastructure
l Single source from Design to System Integration
l 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:
a. Telecoms
b. Power transmission
c. TV and Radio Broadcast
d. Roads and City Development
e. Wind energy solution
Our complete selection of towers includes:
a. Self-supporting
b. Monopoles
c. Guyed towers
d. Custom-designed radar towers
e. Broadcast towers
f. Power transmission
MEGATRO also designs and manufactures tower related products including:
a. Fall protection
b. Antenna brackets
c. Other accessories if needed by clients
This photo refers to our ground based 20m/22m/24m telecom pole, with technical data as follow:
1 Available in heights of pole: 20m, 22m, 24m
2 Antenna technical specifications
6 Nos. of panel antennas for cellular wireless systems (2600X262X115) weighing 50Kg, at 1m from the top.
3 Design condition
Other parameter for designing of poles shall be as under
a. Factor of Safety = 1.5
b. Basic Wind Speed = 180 Km/hr
c. Terrain Category = 2
d. Tower twist and sway is found to be less than 0.5 deg @ 75% of basic wind speed.
4. Type of Pole: Ground Based Pole type.
5. Foundation
The foundation design/drawings of poles, shall be as per the actual site requirements.
Material: M-20 grade concrete shall be used. High yield strength deformed steel bars of grade Chinese steel 45 conforming to Chinese standard.
Non-galvanizing steel structures such as Anchor bolts etc. should be painted with red oxide coating, or even galvanized as per client requirements. The base plates shall be galvanized as some portion of them may be directly exposed to environment.
6. Material
6.1 Pole shaft
Material: High strength with low alloy steel Chinese Q345B
All steels are to be hot dip galvanized
6.2 Nuts, Bolts & Washers
Material: Nuts and bolts of grade 6.8 as per Chinese standard
Finish: Nuts, bolts and Washers are to be hot dip galvanized as per ASTM A325
7. Arrangement for feeder cable rack/bracket
Rack/ bracket for running feeder cable(s)/ waveguide(s) from the rear of the antennas up to the Base Transceiver (BTS) equipment shall be provided. All these design inside of this pole.
8 Step Bolt
A step bolt shall be provided with appropriate cleat welded on pole at 300mm spacing alternately for the height up to 2m from top of the pole. The length of step bolt shall be minimum 150mm and diameter 16mm. Each step bolt should be provided with 2 nuts.
9 Lightning Arrestor
Lightning arrestor using lightning rod made of hot dipped galvanized steel, with 16mm diameter and 1200mm length as per client requirements with a spike on one end and threading on the other shall be provided on the top of the pole.
10 Aviation Warning Lights
Fixing arrangement for twin type (6 types) aviation warning lights at the top level shall be provided. Aviation Warning Lamps shall conform to ICAO regulation.
11 Earthing
For earthing of the pole, 50x3mm GI strips should be bounded to the lower of the pole and connecting to two plate earth as per drawing. Two numbers of plate earth and one ring earth shall be provided. The maximum value of earth resistance shall be 2.0 ohm.
12 Other accessories
Cable tray
Painting services
13 Design Standards:
TIA/EIA 222-G, or BS8100,
14 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

15. Shipment:
Standard 20' to 40' ISO container
16. Documentation:
Detailed packing list
Installation & maintenance
Foundation design
For this monopole telecom 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 towers are delivered to the galvanizing facility to be Hot Dip Galvanized. Towers 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:
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
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.