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Qingdao Megatro Mechanical and Electrical Equipment Co., Ltd.

Megatro 220kv Double Circuit Transmission Line S, 220kv DC Light Angle Tower, 220kv DC Heavy Angle Tower manufacturer / supplier in China, offering Megatro 220kv Double Circuit Transmission Line Sj2 Light Angle Tension Tower, Megatro 220kv 2b6 Zm1 Single Circuit Suspension Transmission Tower, 69kv Substation Section Supports Framework (MGS-SSF69) and so on.

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Supplier Homepage Product Transmission Tower 220KV to 330KV transmissioin tower Megatro 220kv Double Circuit Transmission Line Sj2 Light Angle Tension Tower

Megatro 220kv Double Circuit Transmission Line Sj2 Light Angle Tension Tower

FOB Price: US $930 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $930/ Ton
Get Latest Price
Port: Qingdao, China
Production Capacity: 40000 Tons/Year
Payment Terms: L/C, T/T
Basic Info
  • Model NO.: MGP-220-SJ2
  • Conductor Circuit: Double Circuit
  • Materials: Steel
  • Style: Independence Tower
  • Design Software: Pls
  • Accessories 2: Insulator
  • Accessories 4: Earth Wire and Opgw
  • Accessories 6: Anchor Bolt and Template
  • Accessories 8: Aviation Light
  • Trademark: MEGATRO
  • Specification: As per client requirements
  • HS Code: 73082000
  • Usage: Crossing Tower, Tension Tower, Angle Tower, Terminal Tower, Transposition Tower, According to Client Requirements
  • Certification: ISO
  • Standard: Nonstandard
  • Structure: According to Client Requirements
  • Accessories 1: Power Fitting
  • Accessories 3: Conductor and Cable
  • Accessories 5: Tower Foundation
  • Accessories 7: Lightning Rod and Earthing Kits
  • Accessories 9: Other Service as Per Client
  • Transport Package: Export Standard Package
  • Origin: Shandong, China
Product Description
MEGATRO 220KV double circuit transmission line SJ2 light angle tension tower
This photo refers to our 220KV double circuit transmission line SJ2 light angle tension tower, it have double earth wire and the earth wire looks like cavel. It is light angle tension type tower, Some of technical features of this tower as follow:
 
Pole name(Including Tower type)SJ2drum type Angle towerApplication scope220KVtransmission line
Design conditionNominal Height(m)Tower weight(kg)
Conductor type2×LGJQ-2401512593.04
Earth wire typeGJ-7001813752.34
Max. Wind speed(m/s)302115010.54
Max. Ice(mm)102416551.54
Horizontal span(m)45027178850.54
Vertical span(m) 650  
Angle0°~23°  
 
Remark: above technical data only references for our client, we can design every type for our overseas clients.

MEGATRO is a full service engineering company with a global reputation for delivering excellence and innovation in power transmission, transformation, distribution, and telecommunications systems. Our MEGATRO provide and design this type 220KV double circuit transmission line SJ2 light angle tension tower mainly for our overseas client. Since 2004, MEGATRO focus mainly international market and had export many kind of transmission structures to overseas clients. 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.


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 ownershipSpecialize in developing supplying and building wireless and wired networks and in-building telecommunications systems, as well as energy infrastructureSingle source from Design to System IntegrationTop quality, ISO 9001 registeredA 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:
    TelecomsPower transmissionTV and Radio BroadcastRoads and City DevelopmentWind energy solution Steel structure and workshop
 
Our complete selection of towers includes:
    Self-supportingMonopolesGuyed towersCustom-designed radar towersBroadcast towersPower transmission
 
MEGATRO also designs and manufactures tower related products including:
    Fall protectionAntenna bracketsOther accessories if needed by clients

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.
 
The 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


Moreover, MEGATRO is 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
 
MEGATRO performs 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.
 
Besides, MEGATRO is one of the few manufactures who assemble a face of  220KV double circuit transmission line SJ2 light angle tension tower . 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. After fabrication all 220KV double circuit transmission line SJ2 light angle tension tower s 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. All finished surfaces shall be level and free of tears, burrs, clots and impurities.
 
Except otherwise specified elsewhere in the specification, the surface treatment and corrosion protection for all metal parts shall be in conformity with the latest revision of the standards listed below:
ASTM A 123 zinc (hot-dipped galvanized) coating on iron and steel products
DIN 55928 Protective painting of steel structure instructions
DIN 55945 Painting materials-Notions
DIN 18363 Paint work-Buildings
DIN 18364 Surface protection work for steel
DIN 53210 Determination of rust degree
DIN 55151 Determination of adhesion
ISO4628/3 Determination of rust penetration
 
MEGATRO' 220KV double circuit transmission line SJ2 light angle tension tower systems can accommodate a variety of cross-arm. MEGATRO also offers a wide variety of accessories and mounts.  
 
Other information:
Availability size: Based on the customer's requirements.
Material: Chinese material or as per clients requirement
Steel grades
Tower legs: Chinese steel Q345B, which equivalent to ASTM A572 GR50
Other webs, bracing and not stress plate and angle steel: Chinese Q235B, which equivalent to ASTM A36
Plates: Chinese steel Q345B, which equivalent to ASTM A572 GR50
Bolts: Bolt quality shall be Chinese Class 6.8 and 8.8, as per our Chinese standard, or ISO 898 standard or ASTM A394 type 0,1,2,3 requirements
The anti-theft bolts shall be Huckbolt Fasteners or approved equivalent.  The fasteners shall be manufactured from high tensile steel A242 or equivalent and hot-dip galvanized in accordance with ASTM specification A153 and A394.
 
Fabrication standard: Chinese Standard or other standard which client accepted
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
D) All fastener galvanization conform to ASTM A153 requirements.

Package: Both parties discuss before delivery
Port of Loading: Qingdao Port
Lead Time: One month or based on the customer's needs (For time being our capacity about 5000 tons one month, and can meet client requirements)
Minimum order: 1 set


General Fabrication Requirements
Here is general fabrication requirements for our transmission tower; however, both parties must discuss all drawings and confirm all shop drawings, technical specification, and which standard to conform.
Before mass production, we must received all signed approved shop drawings and technical documents from our client.
 
Our Fabrication shall be in strict accordance with detail Drawings prepared by the Contractor and approved by the Engineer.  Fabrication shall begin after the approval of the shop assembly and tests.
      
Shearing   
Shearing and cutting shall be performed carefully and all portions of the work which will be exposed to view after completion shall be finished neatly.  Manually guided cutting torches shall not be used.
 
All material over 13 (or 12) mm thick shall be cold sawn or machine flame cut.
Cropping or shearing shall be allowed for material thickness of 13 mm or less.
Flame cutting of high yield steel shall be preceded by a slight preheat operation by passing the cutting flame over the part to be cut.
All flame-cut edges shall be ground clean.
      
Bending
Bending shall be carried out in such a manner as to avoid indentation and surface damage. All bending over 5o, or high yield steel, shall be performed while the material is hot.
 
Welding
No welding shall be done unless prior approval has been obtained from the Engineer.
Welding shall not be allowed at tower attachment points for conductor, shield-wire, insulators or associated assemblies or brackets.
 
Sub-punching
All holes in structural steel less than 10 mm thickness may be punched to full size unless otherwise noted on the approved Drawings.  Holes shown on the Drawings as drilled holes and all holes in structural steel 10 mm or more in thickness and tension members of cross-arms shall be drilled or sub-punched and reamed.
 
All holes shall be clean cut and without torn or ragged edges.  All burrs resulting from reaming or drilling shall be removed.  All holes shall be cylindrical and perpendicular to the member.
 
Where necessary to avoid distortion of the holes, holes close to the points of bends shall be made after bending.
 
Punching
For punching to full size, the diameter of the punch shall be 1.0 mm larger than the nominal diameter of the bolt, and the diameter of the die shall not be more than 1.5mm larger than the diameter of the punch. For sub-punching, the diameter of the punch shall be 4 mm smaller than the nominal diameter of the bolt, and the diameter of the die shall be not more than 2 mm larger than the diameter of the punch.  Sub-punching for reamed work shall be such that after reaming no punch surface shall appear in the periphery of the hole.
 
Hole Size
Where holes are reamed or drilled, the diameter of the finished hole shall be not greater than the nominal diameter of the bolt plus 1.0 mm.
 
Accuracy
All holes shall be spaced accurately in accordance with the Drawings and shall be located on the gauge lines.
The maximum allowable variation in hole spacing from that indicated on the Drawings for all bolt holes shall be 0.8 mm.
 
Fabrication Tolerances
A specification for tolerances shall be submitted for approval by the Engineer prior to commencement of fabrication.
 
Bolt List
A complete list of bolts showing their lengths and the members, which they are to connect shall be given on the erection diagrams.
 
Step bolt:
Each  steel tower  shall be provided with step bolts on one of the legs for single circuit steel  tower  and  on  two  diagonally  opposite  legs  for  double  circuit  steel  tower  from approximately  2.5  meters  above  ground  level  to  the  cross  arm  and  from  thereon  to each  ground  wire  peak.  Step  bolts  shall  be  furnished  for  each  leg  extension  in  an amount of 25% of the step bolt holes. These bolts shall not be less than 16 mm or 3/4" diameter, double nut type, 18 cm or 7" long with 35 mm or 1 5/8"diameter, symmetrical head, two hexagon nuts and spring washers, spaced not more than 45 cm or 18" apart. Each bolt shall withstand without permanent deformation a vertical load of at least 137 kg applied at the bolt head. If any technical specification, we will discuss with our client and confirm before mass production.
 
Locking Devices
Locking devices for tower bolts will not be required, but point punching shall be performed.
 
Anti-theft Fasteners    
Appropriate anti-theft fasteners for example Huck-bolting shall be applied on all the towers up to the level of anti-climbing devices, to prevent theft of tower members.
 
Piece Marks
All pieces shall be stamped before galvanizing with the piece marks shown on the erection Drawings, with the marking not less than 20 mm high placed in the same relative location on all pieces.  The marking shall be plainly visible after galvanizing.
 
Galvanizing
All material shall be hot-dip galvanized after fabrication in accordance with the latest revision of GB/T 13912-2002 or ASTM Specification A 123.
 
Material that has been rejected because of bare spots or other coating defects shall either be stripped and re-galvanized, or the uncoated areas shall be recoated by an approved method.
 
All plates and shapes which have been warped by the galvanizing process shall be straightened by being re-rolled or pressed.  The material shall not be hammered or otherwise straightened in a manner that will injure the protective coating.
 
Approval shall be secured from the Engineer if galvanizing is done outside of the Contractor's plant.
 
All galvanized steelwork shall be protected against white storage stain by using an approved dichromate solution treatment immediately following galvanizing.
 
Shop Assembly and Inspection
All built-up assemblies shall be shop bolted complete with washers, after  galvanizing, and shipped as a unit. When specified in the Purchase Order,  MEGATRO shall completely assemble in the presence of Owner one (1) structure of each type before the first shipment of such structures. Any errors in the shop detail drawings or shop work shown by this assembly shall be immediately corrected. MEGATRO's proposal shall include the work required for these shop assemblies. Any material rejected by Owner for failure to conform with this specification or the Purchase Order shall be corrected or replaced by MEGATRO. The fact that material has been inspected, or Owner has waived the right to inspect any material, shall not prevent rejection of the material if it is found not to be in proper condition o r to have fabrication inaccuracies preventing proper assembly.
 
Design Calculations and Drawings
Our MEGATRO can perform complete design calculations, design drawings and shop detail drawings of each structure and submit checked calculations and drawings for Owner's review and distribution in the quantity, manner and time set forth in the Purchase Order. Our drawings consist of the following:
 
Design drawings showing structure dimensions, conductor clearance diagrams and schedule of member sizes, bolt sizes and material specifications.
 
Erection drawings showing each individual member with its identification  mark, location and position of outstanding leg of angles, with number, diameter and length of bolts for connection; and typical details to large scale where a number of members frame together.
 
Shop detail drawings showing all dimensions, draw for tension diagonals,  and all shearing punching, bevel cutting, grinding, bending and identification mark for each member.
 
A complete Bill of Material for each structure showing the number, kind, size, length, weight and identification mark for each member including all bolts.
(Remark: only PO confirmed, our MEGATRO can start shop drawings for client.)
 
Marking
All pieces shall be distinctively marked with erection marks clearly visible  after galvanizing, corresponding to those on the erection drawings. Steel tower  steel stamping dies, minimum 16 mm or 5/8" high, shall be used and special care shall be taken to see that all erection marks are  made  in  such  a  manner as not to be obliterated in transit, or in any way damage the galvanizing or impair the strength of the member.
 
In marking the members, each marking shall be prefixed by letters, which indicate the type of the steel tower. For members that are used in more than  one type of steel tower, all steel tower-type designations shall appear on the marking.
 
In addition, the members shall be marked with water -proof ink stencil 25 mm. or 1.0" high after galvanizing to facilitate in yarding the members and erecting the steel towers.
 
The diameter and the length of the bolt shall be marked on each bolt end so as to be visible after galvanizing.
 
An additional Contractor identification mark shall be stamped immediately in front of the piece identification marks. This Contractor identification mark  shall be submitted to Owner for acceptance and registration prior to first use.
 
Identification marks shall be located conspicuously to permit easy reading.   Marking of like pieces shall be identical in location, and pieces over 14 feet in length shall be marked at both ends.
 
Identification marks shall be applied as follows:
Before galvanizing stamp with 2.0mm deep, 15.0mm minimum height steel  die letters and numerals. After galvanizing neatly stencil a 6.0mm wide  straight line, to underline the identification marks, made with durable paint or ink that will adhere to the galvanized surface and remain legible.
 
All small items that are not adaptable to die marking and are not boxed shall be identified by either attaching die stamped steel tags or plastic tags with permanent markings. The tags shall be attached with non-corrosive wire.
 
 
Preparation for Shipping and Storage
To facilitate segregation of steel tower parts at the stockyard and to maximize the efficiency of erection, packaging of steel towers shall be as follows:
All steel tower parts, including stub angles, plates and steel tower parts member shall be color coded. The color code shall be painted on both ends of the steel tower parts for all angular members and around the edges for plates.   The color codes shall be as specified in the Technical Data Sheets. All stub angles shall be packaged per unit steel tower per type i.e., four (4) pieces per bundle.
 
All cleats including bolts and nuts with spring washers for stub angles shall be packaged per unit steel tower per type in wooden boxes with corresponding color code painted on all corners of the box.
 
All basic body steel towers shall be packaged per unit steel tower per type. Each package shall not exceed three (3) metric tons. The contents of each package per unit steel tower per type shall be identical for any succeeding  unit type. The numbering of each package shall indicate steel tower type (basic), steel tower number and number of pieces included in the package.
 
 
    Example:
MG -Basic/Steel tower No./Package No./Qty. in this package
MG -Basic/ 1 of 200/ 2/ 8
 
All bolts and nuts with spring washers shall be package in tin cans or wooden boxes per unit steel tower per type and numbered as follows:
    Example:
MG Bolts (Basic)/Steel tower No./Package No./Quantity
 
All plates and gussets for the basic steel tower shall be package in wooden boxes per unit steel tower per type and numbered as follows:
    Example:
MG Plates (Basic)/Steel tower No./Package No./Quantity
 
All body extension steel tower parts shall be package per unit steel tower per type. The weight of each package shall not be more than three (3) metric tons. The contents of each package per unit per steel tower shall be identical for any succeeding unit steel tower. The numbering of each package shall indicate  the steel tower type and extension steel tower number, and number of pieces included in the package.
 
    Example:
MG Body Ext./Steel tower No./Package No./Quantity
MG Body Ext./Steel tower No./Package No./Quantity
All bolts and nuts with washers and plates for the body extensions shall be  packaged in wooden boxes per unit steel tower per type and numbered as follows:
Example:
MG Plates & Bolts/Steel tower No./Package No./Quantity
 
All steel tower parts/members shall be marked as indicated in the steel tower  parts list. The markings shall be embossed, the size of which will be approved by the our client.
 
All package numbers for the steel tower shall be in label form. The size of the label shall be 5 cm x 10 cm. The label shall be waterproof and all letterings on the label shall be printed. This label shall be attached on every bundle of package. Each bundle or package shall have at least two (2) labels, each label is visible on each side of the bundle.
 
All bundle or packages for steel tower shall be properly strapped to avoid disintegration of the bundle when subjected to unnecessary impact. The strap shall be properly placed so that the breakage of one (1) or two (2) straps will not allow disintegration of the bundle or package.
 
Smaller pieces shall be bundled, with all the pieces in any bundle having the same mark.
 
All small pieces such as bolts and connections for ground wire and insulators shall be packed in boxes of not over 70 kg gross weight each. Bolts of different size or length shall be wrapped in separate sacks before boxing. Description, quantity, bolt size, and length shall be clearly marked on the outside of the sacks and boxes.
 
When specified in the Purchase Order, bundling and packaging shall be in lots for each individual structure. Boxes or other containers shall be clearly marked to indicate the type of steel tower for which the enclosed material is intended, and the quantity and marks or description of contents shall be shown on the outside.
 
Shipping shall be as specified by the Purchase Order and shall be in complete steel tower lots. All identifications shown on bundles, boxes or other containers  shall be included on Contractor's shipping and packaging lists.
 
 
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 8220    -  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/T8220-1995Welding 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
 
If any special requirement, we can design and discuss with client.
 
 
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