this Photo refers to our 10KV distribution pole, which mainly used in city grid and for power transmission. this Type of pole often used in city power transmission grid, with little space, Economic and lower cost. 

 

Our10KV Distribution monopoleCan be Manufactured as one large piece, or as several small pieces which fit together. Now MEGATRO can produce distribution pole with some type as follow:

(1) Flange connection
(2) Slip joint
(3) Step type
(4) Stagger type
(5) Others

MEGATRO can optimize design, to set a compact, narrow base, the pole design not Only advanced but practical, with an emphasis on economic rationality to ensure Safe and reliable operation. Today, with over 10 years of experience and our Commitment to excellence, MEGATRO remains an industry leader in the manufacture and design of steel tubular & monopole structures for all Highway, Municipal, Custom, telecom, lighting and electric Utility applications. MEGATRO Has a complete staff of professional engineering personnel trained in the PLS Pole program and three different manufacturing processes for producing steel Towers, poles and other supports. We utilize the latest versions of PLS-CADD, PLS-POLE, TOWER, AutoCAD and other CAD software. To meet the expectation, we Produce shop drawings, components list and full production documentation, and Even complete 3D models that facilitate the elimination of all design and Drawings errors generated on the drawings. Another advantage is our 3D design and loading & design report, and can optimized the design and save cost for Our clients.

the monopole Structure shall be designed according to load combinations given as per IEC 61936-1 and as illustrated below:
Normal loads
1 Dead weight load
2 Tension load
3 Erection load
4 wind load
 
Exceptional loads
1 Switching forces
2 short-circuit forces
3 Loss of conductor tension
4 Earthquake forces

MEGATROIs fully equipped and qualified to Carry out Design Engineering services which includes:

Overhead Transmission line steel Tower & Telecom steel tower

   Basic Design and Analysis

√ Shop Erection Drawings

√ as-Built Drawings

 

MEGATROPerforms in-house design activities Specializing in electrical overhead transmission &telecom tower steel works, Which include wind and earthquake loading, static analysis, stress analysis by Finite element methods and fatigue.

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.

Moreover, MEGATRO is one of the few manufactures who assemble a face of10KV Distribution monopole.this Attention to quality may not be the cheapest process but it does insure every Tower meets our high standards of quality. And it helps to reduce on-site Construction cost due to mismatched assemblies. MEGATRO10KV Distribution monopoleSystems can accommodate a variety of Cross-arm and other accessories. after fabrication10KV Distribution monopoleIs 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. Even we take secondary finish for client again, which as duplex surface treatment.

Other information:

Steel grades
POLE SHAFT: Chinese steel Q345B, which same to ASTM A572 GR50
Other webs, bracing and not stress plate and angle steel: Chinese Q235B, which Same to ASTM A36
Plates: Chinese steel Q345B, which same to ASTM A572 GR50
Bolts: Chinese grade 6.8 and 8.8, which similar to ASTM A394
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

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

 

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.