Megatro Underground Overhead Line Cable Branch Pylon

• Usage: Crossing Tower, Tension Tower, Terminal Tower
• Conductor Circuit: According to Client Requirements
• Certification: ISO
• Model NO.: MGP-TR
• Materials: Steel
• Standard: Nonstandard
• Style: Independence Tower
• Structure: According to Client′s Technical Specification
• Design Software: Pls
• Accessories 1: Power Fitting
• Accessories 2: Cable and Conductor
• Accessories 3: Tower Earthing Kits
• Accessories 4: Insulator
• Accessories 5: Earth Wire and Opgw
• Accessories 6: Tower Foundation
• Accessories 7: Lightning Rod
• Accessories 8: Anchor Bolts and Template
• Accessories 9: Other Servids You Needed
• Transport Package: Export Standard Package
• Specification: AS PER CLIENT
• Trademark: MEGATRO
• Origin: Shandong, China
• HS Code: 73082000
• Production Capacity: 40000 Tons/Year

Product Description

MEGATRO underground overhead line cable branch pylon
This photo refers to our underground overhead line cable branch pylon , it is widely used in our Chinese market. Some of technical features of this tower as follow:
1 climate condition

Item	Temperature (ºC)	Wind speed (m/s)	Ice thickness (mm)
Max. temperature	40	0	0
Mini. temperature	-30	0	0
Ice thickness	-5	10	15
Basic wind speed	-5	27	0
Installation condition	-10	10	0
Annual temperature	10	0	0
Lightning overvoltage	15	10	0
Operation overvoltage	10	15	0
Hot-line work	15	10	0

 
2 tower design data
 

Tower type	Nominal Height scope (mm)	Nominal Height (mm)	Horizontal span (m)	Vertical Span (m)	Angle º	Insulator Type	Horizontal Span at angel condition
1A6 J1	15~24	24	450	700	0~20	/	/
Conductor type: 1×LGL -300/40 or 1×LGL-240/30					OPGW: JLB-100

 
 
Tower estimated weight and foundation force
 

Tower Type	Tower weight scope (kg)	Foundation force scope (KN)
		Tmax	Tx	Ty	Nmax	Nx	NY
1A6 J1	5025~7875	33-56	36~37	36~37	456~480	102~205	85~96

 
4Here 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	≤16	215	125
	>16~40	205	120
	>40~60	200	115
	>60~100	190	110
Q345 Steel	≤16	310	180
	>16~35	295	170
	>35~50	265	155
	>50~100	250	145
Q420 Steel	≤16	380	220
	>16~35	360	210
	>35~50	340	195
	>50~100	325	185
Q460 Steel	≤16	415	240
	>16~35	395	230
	>35~50	380	220
	>50~100	360	210

 
5 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	4.8	200	170
	5.8	240	210
	6.8	300	240
	8.8	400	300
Anchor  bolts	Q235	160	/
	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.
 

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:
Telecoms
Power transmission
TV and Radio Broadcast
Roads and City Development
Wind energy solution
Steel structure and workshop
 
Our complete selection of towers includes:
Self-supporting
Monopoles
Guyed towers
Custom-designed radar towers
Broadcast towers
Power transmission
 
MEGATRO also designs and manufactures tower related products including:
Fall protection
Antenna brackets
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.
 

No	Code	DESCRIPTION
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/T8220-1995	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.