Megatro 230kv Ssjg Multi Circuir Tangent Steel Lattice Tower
China Megatro 230kv Ssjg Multi Circuir Tangent Steel Lattice Tower, Find details about China Megatro 230kv Mc Suspension Tower, 230kv Muti Circuit Overhead Towers from Megatro 230kv Ssjg Multi Circuir Tangent Steel Lattice Tower
Basic Info.
Model NO.
MGP- 230kv-Ssjg
Structure
According to Client Requirements
We Can Design by Pls& Towe Software
According to Client Requirements
Trademark
MEGATRO
Transport Package
Export Standard Package
Specification
AS PER CLIENT REQUIREMENTS
Origin
Shandong, China
HS Code
73082000
Model NO.
MGP- 230kv-Ssjg
Structure
According to Client Requirements
We Can Design by Pls& Towe Software
According to Client Requirements
Trademark
MEGATRO
Transport Package
Export Standard Package
Specification
AS PER CLIENT REQUIREMENTS
Origin
Shandong, China
HS Code
73082000
Product Desciption
MEGATRO 230KV SSJG Multi circuir tangent steel lattice tower
This photo refers to our 230KV SSJG Multi circuir tangent steel lattice tower,
MEGATRO 230KV SSJG Multi circuir tangent steel lattice tower is a tower with two columns to support the wire and overhead ground wire, which is often used in the case of double overhead ground wire and wire arranged horizontally. It is generally used for transmission lines with a voltage level of 220kV or above, which can be used to improve the stability of the tower, and the column sometimes has a certain slope. The utility of this kind of pole tower is relatively large, and it has a good economic index when the cable is drawn.
MEGATRO provide typical design for 230KV SSJG Multi circuir tangent steel lattice tower which used in African power transmission line project, since year 2010, we had been mail supplier for Nigeria PHCN, and NGCP. This monopole has some type such as terminal, transposition and tension tower.
SPECIFICATION
Before fabrication, our engineer design and modified many times with owner engineer for final confirmation, this type of tower has some advantage:
Thinner thickness: 6-8mm
Less weight: 7-8 tons
Height: 32M, even higher
We design then with DAO POWER software, and can meet clients requirements. After fabrication all monopole 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.
MEGATRO's door type monopole can accommodate a variety of cross-arm. MEGATRO also offers a wide variety of accessories and mounts.
Workshop size: Based on the customer's requirements.
Material: Chinese material or as per clients requirement
Package: Both parties discuss before delivery
Terms of Payment: L/C, T/T
Minimum Order Quantity: 1 set
Port of Loading: Qingdao Port
Lead Time: One month or based on the customer's needs
Performance Standard
Besides conform to the drawing and design, the materials and fabrication of tower components shall
We also adopt British, American and other international standard which client can accept.
it is widely used in our Chinese market. Some of technical features of this tower as follow:
X
6. Here is the design strength of Chinese tower steel
7. Here is the design strength of our Chinese tower bolts
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 SSJG Multi circuir tangent steel lattice tower r mainly for our Chinese and overseas client. Since 2003, 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:
MEGATRO mainly design all kinds of towers and posts for:
Our complete selection of towers includes:
MEGATRO also designs and manufactures tower related products including:
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
3 wind load
Exceptional loads
1 Switching forces
2 short-circuit forces
3 Loss of conductor tension
3 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 SSJG Multi circuir tangent steel lattice 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 230KV SSJG Multi circuir tangent steel lattice towers 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 55935 Painting materials-Notions
DIN 18363 Paint work-Buildings
DIN 18363 Surface protection work for steel
DIN 53210 Determination of rust degree
DIN 55151 Determination of adhesion
ISO3628/3 Determination of rust penetration
MEGATRO' 230KV SSJG Multi circuir tangent steel lattice 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 Q335B, 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 Q335B, 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 A393 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 A232 or equivalent and hot-dip galvanized in accordance with ASTM specification A153 and A393.
Fabrication standard: Chinese Standard or other standard which client accepted
A) Dimension and tolerance for angle are according to GB/T1591-1993, 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.
This photo refers to our 230KV SSJG Multi circuir tangent steel lattice tower,
MEGATRO 230KV SSJG Multi circuir tangent steel lattice tower is a tower with two columns to support the wire and overhead ground wire, which is often used in the case of double overhead ground wire and wire arranged horizontally. It is generally used for transmission lines with a voltage level of 220kV or above, which can be used to improve the stability of the tower, and the column sometimes has a certain slope. The utility of this kind of pole tower is relatively large, and it has a good economic index when the cable is drawn.
MEGATRO provide typical design for 230KV SSJG Multi circuir tangent steel lattice tower which used in African power transmission line project, since year 2010, we had been mail supplier for Nigeria PHCN, and NGCP. This monopole has some type such as terminal, transposition and tension tower.
SPECIFICATION
| Tower | 230KV SSJG Multi circuir tangent steel lattice tower |
| (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,23 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-3.6 or St-8.8 according to DIN 267 |
| (g) Welding | - Shall be electric arc, according to DIN 3100 |
| (h) Minimum thickness of web member | - 5 mm |
| and nominal member | |
| (i) Minimum thickness of Gussets | - 7 mm |
| (j) Minimum thickness of stub member | - 8 mm |
| (k) Minimum width of Angle Iron | - 35 mm |
| (l) Minimum distance from | - According to UDE 021015.68 = 25d |
| centre of bolt holes to the | ( d = diameter of hole) |
| edge of any steel section |
- Design Temperater and wind data
| Mainly Meteorological Data | ||||
| Design Meteorological | Temperature (˚C) | Wind Velocity (m/s) | ||
| Conditions | ||||
| Max.Ambient Temperature | 35 | 0 | ||
| Everyday Temperature | 28 | 0 | ||
| Min. Temperature | 10 | 0 | ||
| Max. wind | - | 35 at 28˚C | ||
| Installing Condition | 25 | 10 | ||
| Max. Conductor Temperature | 75 | 0 | ||
Before fabrication, our engineer design and modified many times with owner engineer for final confirmation, this type of tower has some advantage:
Thinner thickness: 6-8mm
Less weight: 7-8 tons
Height: 32M, even higher
We design then with DAO POWER software, and can meet clients requirements. After fabrication all monopole 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.
MEGATRO's door type monopole can accommodate a variety of cross-arm. MEGATRO also offers a wide variety of accessories and mounts.
Workshop size: Based on the customer's requirements.
Material: Chinese material or as per clients requirement
Package: Both parties discuss before delivery
Terms of Payment: L/C, T/T
Minimum Order Quantity: 1 set
Port of Loading: Qingdao Port
Lead Time: One month or based on the customer's needs
Performance Standard
Besides conform to the drawing and design, the materials and fabrication of tower components shall
We also adopt British, American and other international standard which client can accept.
it is widely used in our Chinese market. Some of technical features of this tower as follow:
X
- Type and specification for OPGW insulator and conductor
| Type | ACSR Conductor (605 MCM, Duck) | Earth Wire (GJ-50) | ||
| Structure (no./mm) | Aluminum | 53/2.68 | ||
| Steel | 7/2.68 | 18/1.8 | ||
| Outside Diameter | 23.21 | 8 | ||
| Sectional Area (mm2) | Aluminum | 306.9 | ||
| Steel | 39.79 | 50 | ||
| Overall Section Area (mm2) | 335.59 | 50 | ||
| Unit Weight (kg/km) | 1.159 | 0.383 | ||
| Ultimate Strength (kN) | 101.5 | 59 | ||
| Comprehensive Elastic Factor (N/mm2) | 70000 | 181300 | ||
| Comprehensive Expansion Factor (1/C x 10E -5) | 19.3 | 11.5 | ||
| 20˚C Direct Current Resistance | 0.09323 | |||
| Breaking Stress (N/mm2) | 278 | 1170 | ||
| Actual Max. Stress (N/mm2) | 105 | 288 | ||
| Everyday Operation Stress (N/mm2) | 51 | 190 | ||
| Normalization | CSA-C39-1955 | GB1200-88 | ||
- Design date
| Type | XP-120 | ||
| Height (mm) | 135 | ||
| Disc diameter (mm) | 253 | ||
| Leakage distance (mm) | 320 | ||
| Marking of connection | 15 mmA | ||
| Nominal electro-mechanical failing load (kN) | 120 | ||
| Withstand voltage (kV) | Power Frequency | Dry | 70 |
| Wet | 30 | ||
| Lighting impulse | 110 | ||
| Power frequency breakdown voltage (kV) | 110 | ||
- 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 | Tension Tower | |
| 2.0 | 2.0 | |
| 1.5 | 1.5 | |
| Maximum slenderness ratio | ||
| (a) Tower legs,main compression members | 150 | |
| in cross arms and earth wire peaks | ||
| (b) Other compression members carrying | 200 | |
| calculated stress | ||
| (c ) Redundant members, | 250 | |
| (d) Tension member of tower cross arms(hanger) | 375 | |
| (e) All other tension members | 500 | |
- Operation data
| Tower Type | Deviation Angle | Wind Span | Weight Span |
| Suspension | 0˚ | 300 | 500 |
| Angle | 0˚ - 20˚ | 300 | 500 |
| Angle | 20˚ - 30˚ | 350 | 700 |
| 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) | - < 30 % 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 | ≤16 | 215 | 125 |
| >16~30 | 205 | 120 | |
| >30~60 | 200 | 115 | |
| >60~100 | 190 | 110 | |
| Q335 Steel | ≤16 | 310 | 180 |
| >16~35 | 295 | 170 | |
| >35~50 | 265 | 155 | |
| >50~100 | 250 | 135 | |
| Q320 Steel | ≤16 | 380 | 220 |
| >16~35 | 360 | 210 | |
| >35~50 | 330 | 195 | |
| >50~100 | 325 | 185 | |
| Q360 Steel | ≤16 | 315 | 230 |
| >16~35 | 395 | 230 | |
| >35~50 | 380 | 220 | |
| >50~100 | 360 | 210 | |
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 | 3.8 | 200 | 170 |
| 5.8 | 230 | 210 | |
| 6.8 | 300 | 230 | |
| 8.8 | 300 | 300 | |
| Anchor bolts | Q235 | 160 | / |
| Chinese 35 steel | 190 | / | |
| Chinese 35 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 SSJG Multi circuir tangent steel lattice tower r mainly for our Chinese and overseas client. Since 2003, 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
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.
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
3 wind load
Exceptional loads
1 Switching forces
2 short-circuit forces
3 Loss of conductor tension
3 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 SSJG Multi circuir tangent steel lattice 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 230KV SSJG Multi circuir tangent steel lattice towers 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 55935 Painting materials-Notions
DIN 18363 Paint work-Buildings
DIN 18363 Surface protection work for steel
DIN 53210 Determination of rust degree
DIN 55151 Determination of adhesion
ISO3628/3 Determination of rust penetration
MEGATRO' 230KV SSJG Multi circuir tangent steel lattice 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 Q335B, 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 Q335B, 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 A393 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 A232 or equivalent and hot-dip galvanized in accordance with ASTM specification A153 and A393.
Fabrication standard: Chinese Standard or other standard which client accepted
A) Dimension and tolerance for angle are according to GB/T1591-1993, 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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