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Megatro 230kv De-24 Single Circuit Angle Suspension Pioe (0-20 DEGREES) Pole

China Megatro 230kv De-24 Single Circuit Angle Suspension Pioe (0-20 DEGREES) Pole, Find details about China 230kv Sc Medium Angle Tower, 230kv Sc Angle Lattice Steel Tower from Megatro 230kv De-24 Single Circuit Angle Suspension Pioe (0-20 DEGREES) Pole

Model NO.
MGP-230KV-DE-24
Structure
According to Client′s Technical Specification
We Can Design by Pls & Tower Software
According to Client Desing or Requirement
Trademark
MEGATRO
Transport Package
Export Standard Package
Specification
AS PER CLIENT
Origin
Shandong, China
HS Code
73082000
Model NO.
MGP-230KV-DE-24
Structure
According to Client′s Technical Specification
We Can Design by Pls & Tower Software
According to Client Desing or Requirement
Trademark
MEGATRO
Transport Package
Export Standard Package
Specification
AS PER CLIENT
Origin
Shandong, China
HS Code
73082000
MEGATRO 230KV DE-24 SINGLE CIRCUIT ANGLE SUSPENSION PIOE(0-20 DEGREES)POLE
This photo refers to our 230KV DE-24 SINGLE CIRCUIT ANGLE SUSPENSION PIOE(0-20 DEGREES)POLE, it is widely used in our Chinese market. Some of technical features of this tower as follow:
SPECIFICATION
Tower230KV DE-24 SINGLE CIRCUIT ANGLE SUSPENSION PIOE(0-20 DEGREES)POLE
(a)  Type of Tower-     Hot dip galvanized Steel,Lattice Tower
       Horizontal phase configuration Twin Bundle
(b)  Foundation-     Reinforced concrete foundation on stub angle
(c ) Center to center distance-     (F,H,J) (7.8 m, 8 m, 8 m)
(d)  Tower height-     18 m,21 m,24 m
      (Vertical distance between the lowest boom of cross-arm and the top of 
        concrete foundation) 
(e)  Steel-     St-37,St-52 according to DIN 17100
(f)  Bolts-     St-4.6 or St-8.8 according to DIN 267
(g)  Welding-     Shall be electric arc, according to DIN 4100
(h)  Minimum thickness of web member-     5 mm
       and nominal member 
(i)  Minimum thickness of Gussets-     7 mm
(j)  Minimum thickness of stub member-     9 mm
(k)  Minimum width of Angle Iron-     45 mm
(l)  Minimum distance from-     According to UDE 021015.69 = 25d
     centre of bolt holes to the      ( d = diameter of hole)
     edge of any steel section 
  1. Design Temperater and wind data
Mainly Meteorological Data
Design MeteorologicalTemperature (˚C)Wind Velocity (m/s)
Conditions
Max.Ambient Temperature55 0 
Everyday Temperature30 0 
Min. Temperature15 0 
Max. wind- 35 at 28˚C 
Installing Condition28 10 
Max. Conductor Temperature79 0 
 
  1. Type and specification for OPGW insulator and conductor
TypeACSR Conductor         
(605 MCM, Duck)		Earth Wire                  
(GJ-50)		 
 
Structure (no./mm)Aluminum65/2.69  
 Steel7/2.6917/1.5 
Outside Diameter 24.219 
Sectional Area (mm2)Aluminum325.9  
 Steel58.7950 
Overall Section Area (mm2)389.6950 
Unit Weight (kg/km)1.20.384 
Ultimate Strength (kN)156.665 
Comprehensive Elastic Factor (N/mm2)70000181300 
Comprehensive Expansion Factor (1/C x 10E -6)19.311.5 
20˚C Direct Current Resistance0.09423  
Breaking Stress (N/mm2)2781170 
Actual Max. Stress (N/mm2)106288 
Everyday Operation Stress (N/mm2)61190 
NormalizationCSA-C49-1965GB1200-88 
 
  1. Design date
 
TypeXP-150
Height (mm)289
Disc diameter (mm)296
Leakage distance (mm)385
Marking of connection15 mmA
Nominal electro-mechanical failing load (kN)120
Withstand voltage (kV)Power FrequencyDry70
Wet40
Lighting impulse110
Power frequency breakdown voltage (kV) 110
  1. LOADING DATA
The following broken wire condition shall be taken on the design of towers. 
Single Circuit Tower 
  
  
(i)Suspension Tower:   Any one phase conductor (twin
     bundle) or one ground wire
     Broken at either side of the tower;
(ii)Tension Tower:   Any one phase conductor (twin
     bundle) and one ground wire
     (or) Any Two phase conductor
     Broken at either side of the tower;
Factor of safety for loading 
Suspension Tower  
2.0  
1.5  
Maximum slenderness ratio 
     (a) Tower legs,main compression members160
          in cross arms and earth wire peaks 
     (b) Other compression members carrying220
          calculated stress 
     (c ) Redundant members,290
     (d) Tension member of tower cross arms(hanger)425
     (e) All other tension members500
 
  1.  Operation data
Tower TypeDeviation AngleWind SpanWeight Span
Suspension0˚400600
Angle0˚ - 20˚400600
Angle20˚ - 40˚450700
Shielding Angle
For Suspension Tower-   < 30 Deg
For Angle & Terminal Tower-   < 35 Deg
Max; working tension of conductor(EDS)-   < 22 % of UTS
Max; working tension of conductor(Max; wind)-   < 40 % of UTS
Earth wire Sag-   < 80 % of conductor Sag
Galvanizing-   610 g/m2
Normal Span- 350 m

6.  Here is the design strength of Chinese tower steel
Steel material Anti-push, bending and press strength (N/mm2)Anti-shear strength
(N/mm2)
Grade Thickness or diameter (mm)
Q235
Steel 		≤16215125
>16~40205120
>40~60200115
>60~100190110
Q345
Steel 		≤16310180
>16~35295170
>35~50265155
>50~100250145
Q420
Steel 		≤16380220
>16~35360210
>35~50340195
>50~100325185
Q460
Steel 		≤16415240
>16~35395230
>35~50380220
>50~100360210
 
7.  Here is the design strength of our Chinese tower bolts
Item Grade Anti-push strength (N/mm2)Anti-shear strength (N/mm2)
Fastener
for towers 		4.8200170
5.8240210
6.8300240
8.8400300
Anchor
 bolts 		Q235160/
Chinese 35 steel 190/
Chinese 45 steel 215/
 
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 230KV DE-24 SINGLE CIRCUIT ANGLE SUSPENSION PIOE(0-20 DEGREES)POLE r mainly for our Chinese and 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 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
  5. Wind energy solution
  6. Steel structure and workshop
 
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

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  230KV DE-24 SINGLE CIRCUIT ANGLE SUSPENSION PIOE(0-20 DEGREES)POLE 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 230KV DE-24 SINGLE CIRCUIT ANGLE SUSPENSION PIOE(0-20 DEGREES)POLEs 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' 230KV DE-24 SINGLE CIRCUIT ANGLE SUSPENSION PIOE(0-20 DEGREES)POLE 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.


 

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