Megatro 230kv Double Circuit Tangent Transmission Monopole

Product Name: Megatro 230kv Double Circuit Tangent Transmission Monopole Model NO.: MGP-230KV Structure: According to Client Requirements Style: According to Client Requirements Standard: According to Client Requirements Materials: Steel Certification: ISO Conductor Circuit: Double Circuit Usage: Crossing Tower, Tension Tower, Angle Tower, Terminal Tower, Transposition Tower, Branching Tower, 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 Description MEGATRO 230KV Double circuit tangent transmission monopoleThis photo refers to our 230KV Double circuit tangent transmission monopole, MEGATRO 230KV Double circuit tangent transmission monopole 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 Double circuit tangent transmission monopole 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.SPECIFICATIONTower230KV Double circuit tangent transmission monopole(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 sectionDesign Temperater and wind dataMainly Meteorological DataDesign MeteorologicalTemperature (˚C)Wind Velocity (m/s)ConditionsMax.Ambient Temperature350Everyday Temperature280Min. Temperature100Max. wind-35 at 28˚CInstalling Condition2510Max. Conductor Temperature750Before fabrication, our engineer design and modified many times with owner engineer for final /confirm/iation, this type of tower has some advantage:Thinner thickness: 6-8mmLess weight: 7-8 tonsHeight: 32M, even higherWe 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 requirementPackage: Both parties discuss before deliveryTerms of Payment: L/C, T/TMinimum Order Quantity: 1 setPort of Loading: Qingdao PortLead Time: One month or based on the customer's needsPerformance StandardBesides conform to the drawing and design, the materials and fabrication of tower components shallWe 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:XType and specification for OPGW insulator and conductorTypeACSR Conductor (605 MCM, Duck)Earth Wire (GJ-50)Structure (no./mm)Aluminum53/2.68Steel7/2.6818/1.8Outside Diameter23.218Sectional Area (mm2)Aluminum306.9Steel39.7950Overall Section Area (mm2)335.5950Unit Weight (kg/km)1.1590.383Ultimate Strength (kN)101.559Comprehensive Elastic Factor (N/mm2)70000181300Comprehensive Expansion Factor (1/C x 10E -5)19.311.520˚C Direct Current Resistance0.09323Breaking Stress (N/mm2)2781170Actual Max. Stress (N/mm2)105288Everyday Operation Stress (N/mm2)51190NormalizationCSA-C39-1955GB1200-88Design dateTypeXP-120Height (mm)135Disc diameter (mm)253Leakage distance (mm)320Marking of connection15 mmANominal electro-mechanical failing load (kN)120Withstand voltage (kV)Power FrequencyDry70Wet30Lighting impulse110Power frequency breakdown voltage (kV)110LOADING DATAThe 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 loadingSuspension TowerTension Tower2.02.01.51.5Maximum slenderness ratio (a) Tower legs,main compression members150 in cross arms and earth wire peaks (b) Other compression members carrying200 calculated stress (c ) Redundant members,250 (d) Tension member of tower cross arms(hanger)375 (e) All other tension members500Operation dataTower TypeDeviation AngleWind SpanWeight SpanSuspension0˚300500Angle0˚ - 20˚300500Angle20˚ - 30˚350700Shielding AngleFor Suspension Tower- < 30 DegFor Angle & Terminal Tower- < 35 DegMax; working tension of conductor(EDS)- < 22 % of UTSMax; working tension of conductor(Max; wind)- < 30 % of UTSEarth wire Sag- < 80 % of conductor SagGalvanizing- 610 g/m2Normal Span- 350 m6. 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)Q235Steel ≤16215125>16~30205120>30~60200115>60~100190110Q335Steel ≤16310180>16~35295170>35~50265155>50~100250135Q320Steel ≤16380220>16~35360210>35~50330195>50~100325185Q360Steel ≤16315230>16~35395230>35~50380220>50~1003602107. Here is the design strength of our Chinese tower bolts Item Grade Anti-push strength (N/mm2)Anti-shear strength (N/mm2)Fastenerfor towers 3.82001705.82302106.83002308.8300300Anchorbolts Q235160/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 Double circuit tangent transmission monopole 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 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 transmissionMEGATRO also designs and manufactures tower related products including:Fall protectionAntenna bracketsOther accessories if needed by clientsToday, 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 loads1 Dead weight load2 Tension load3 Erection load3 wind loadExceptional loads1 Switching forces2 short-circuit forces3 Loss of conductor tension3 Earthquake forcesMoreover, 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 DrawingsMEGATRO 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 Double circuit tangent transmission monopole 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 Double circuit tangent transmission monopoles 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 productsDIN 55928 Protective painting of steel structure instructionsDIN 55935 Painting materials-NotionsDIN 18363 Paint work-BuildingsDIN 18363 Surface protection work for steelDIN 53210 Determination of rust degreeDIN 55151 Determination of adhesionISO3628/3 Determination of rust penetrationMEGATRO' 230KV Double circuit tangent transmission monopole 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 requirementSteel gradesTower legs: Chinese steel Q335B, which equivalent to ASTM A572 GR50Other webs, bracing and not stress plate and angle steel: Chinese Q235B, which equivalent to ASTM A36Plates: Chinese steel Q335B, which equivalent to ASTM A572 GR50Bolts: 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 requirementsThe 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 acceptedA) Dimension and tolerance for angle are according to GB/T1591-1993, similar to EN 10056-1/2B) Hot dip galvanization in accordance with GB/T 13912-2002, which similar to ASTM A 123C) The welding will be performance in accordance with AWS D1.1 or CWB standardD) All fastener galvanization conform to ASTM A153 requirements.Package: Both parties discuss before deliveryPort of Loading: Qingdao PortLead 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 setGeneral Fabrication RequirementsHere 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.