400kv Double Vertical Configuration Door Type Transmission Tower1

Usage: Flying Angle Tower, Crossing Tower, Tension Tower, Angle Tower, Terminal Tower, Transposition Tower, Branching Tower, Power Transmission Line
Conductor Circuit: Single Circuit
Certification: ISO
Materials: Steel
Standard: Nonstandard
Style: Independence Tower

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Basic Info.

Structure
Vertical Phase Configuration Type
We Can Design This 400kv Towr by Pls
as Per Client Design and Data
Transport Package
Export Stnadard Package
Specification
AS PER CLIENT
Trademark
MEGATRO
Origin
Shandong, China
HS Code
73082000
Production Capacity
50000 Tons/Year

Product Description

400KV Double Vertical configuration Door type transmission tower
400KV Double Vertical configuration Door type transmission tower is one special shape structure for our overseas clients. They are consisted by two vertical phase configuration tower and look like letter door shape, and belong to single circuit suspension tower to carry one circuit 400KV conductor. Now our USA can design this type for our overseas clients by PLS & TOWER software.
400kv Double Vertical Configuration Door Type Transmission Tower1

For time being our MEGATRO focus mainly international market and had export many kind of transmission structures to overseas clients. Since 2004, MEGATRO has been manufacturing lattice transmission tower & tapered steel poles for lighting, traffic control, communication and utility applications. MEGATRO pioneered the development of transmission tower, telecom tower, substation, and other steel structure and was also at the forefront in the design of Transmission tower.

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 & angular & 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.

MEGATRO had professional QA &QC team to control quality and execute strict QC & QC plan as per client requirements. MEGATRO is one of the few manufactures who assemble a face of 400KV overhead transmission line steel tower. After fabrication all 400KV overhead transmission line steel tower 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. Even we take secondary finish for client again, which as duplex surface treatment.

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

Steel grades
Tower legs: 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

If any special requirement, we can design and discuss with client.

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 60826  - Design criteria of overhead lines
IEC 60652  - Loading tests on overhead line structures
ISO 1459   - Metallic coatings - Protection against corrosion by Hot Dip Galvanizing
ISO 1461   - Hot dip galvanized coatings on fabricated iron and steel articles
ISO 12944  - Paint coatings, corrosion protection, and structural steelwork
ISO 898-1   - Mechanical properties of fasteners. Part 1-Bolts, Screws and studs
ISO 630    - Structural Steels - plates, wide flats, bars, sections and profiles
ISO 657    - Hot rolled structural steel plates tolerances on dimensions and shape
ISO 7411  - Hexagon Bolts for high strength structural bolting with large width across flats
ISO 657-5   - Hot rolled Structural Steel Sections equal and unequal leg angles
ISO 7452   - Hot rolled structural steel plates tolerances on dimensions and shape
BS EN 50341-1 -Overhead electrical lines exceeding AC 45kV -General Requirements
BS 8004    - Code of Practice for Foundations
BS 8110    - Structural use of concrete
ANSI10-97   - Design of latticed steel transmission structures
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
NoCodeDESCRIPTION
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:
StandardDescription
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
 
Moreover, we also can design tower foundation according to below standard:
BS 8004  - Code of Practice for Foundations
BS 8110  - Structural use of concrete
BS 4449  - Carbon steel bars for the reinforcement of concrete
If any special requirement, we can design and discuss with client.
 
 
 

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