Design and Fabrication Drawing S/S Tower 12.5m Roof Top

Tower roof top for radar and investigation "Airport".

Design and Fabrication Drawing S/S Tower 27.75m Roof Top

Tower roof top for radar and investigation "Airport".

Tower Broadcast TVRI Jogja

Site survey, checking and recalculation for strengthening.

Project

Kamis, 16 Juli 2009

Ms Tower V 6.01

Analysis and Checking of Latticed Towers & Masts




MStower V6 is a Windows program for the analysis and checking of latticed towers and masts. It is used by designers and authorities for the checking of transmission line structures and communications towers and masts.




RENDERED PLOT OF PART OF A TOWER

MStower V6 is a Windows program for the analysis and checking of latticed towers and masts. It is used by designers and authorities for the checking of transmission line structures and communications towers and masts.
The program has options for the generation of geometry and loading, analysis, application of gust factors to member forces, and checking of members. There are comprehensive facilities for plotting of the structure, loading, and results. The structure geometry is specified by data describing panels, dimensions, sections, and ancillary equipment. Section properties and ancillary data are taken from standard library files. Wind and ice loads on members, antennas, and ancillaries are computed automatically.
Loads may be computed according to the rules of:
  • BS 8100:Part 1:1986 (towers)
  • BS8100:Part 4:1995 (guyed masts)
  • ANSI EIA/TIA-222-F-1996
  • AS3995-1994
  • Malaysian Electricity Supply Regulations 1990
Alternatively, any user-defined wind velocity profile may be used. Patch loading may be computed for masts.
Ancillaries are shown on the screen and each may be interrogated by clicking on it.


PLOT OF PART OF TOWER WITH ANTENNAS

Member forces are extracted directly from the analysis results. Non-linear analysis is used for masts and a catenary cable element is used for the guys.
Tower members may be checked using the rules of:
  • BS8100:Part 3:1997 (Limit state)
  • BS449:1990 (Allowable stress)
  • AS 3995-1994 (Limit state)
  • ANSI 10-90 (Limit state)
  • EIA/TIA-222-F. 1996 (Allowable stress)
Analysis results and member check results may be displayed graphically and reports may be displayed and printed as required. An important application of MStower is the reassessment of existing structures subjected to modified loading. For example, increased loading may result from the installation of additional ancillary equipment or conductors. MStower is also useful for checking serviceability requirements. A special report gives both tower reactions and angular displacements of ancillaries under wind loading.

Please have the original Software.
Posted from : www.mstower.com

Senin, 13 Juli 2009

Basic Design and Construction aspects of Transmission Lines

1 INTRODUCTION 1.1 What is Transmission line?

This question can simply not be answered by a few words. Each chapter in this lecture notes probably will use to give a proper answer of it.

A transmission line is a device for the transfer of electric energy. It can transfer the energy over long or short distances, and at different voltages. Transfer of electrical energy over very long distances calls for a trunk line with high voltages. The transmission lines of very high voltages, such as; 70 kV, 150 kV, 220 kV, 400 kV, are part of a national grid (GRT in Belgium). To make it easier to understand it can be said that the transmission lines with the higher voltages are the highways in the energy transfer system. In between these highways and the small “paths”, which might call distribution network to drop the voltage line from higher level to lower level, there will be a lot of transmission lines with different voltages.

In the planning and design of transmission line, a number of requirements have to be met. From the electrical point of view, the most important requirement is insulation and safe clearances to earthed parts. These, together with the cross-section of conductors, the spacing between conductors, and the relative location of ground wires with respect to the conductors, influence the design of pylons and foundations.

"lanjutan postingan"

Rabu, 08 April 2009

Company Profile

Kami adalah tenaga-tenaga outsourcing profesional yang berpengalaman dibidangnya dalam menyediakan jasa Consulting, Engineering dan Construction dengan produk dan service :








Telecommunication Supporting Infrastructure
• Site acquisition (S1TAC)
• New Tower for BTS, Backbone, and Repeater
• MultiOperator Tower or Tower Sharing
• Tower Strengthening
• Mechanical/Eleclrical
• Accessories
• Maintenance

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General Steel Structure Design
• High Voltage Transmission Lines Tower PLN
• Bridge
• Steel Truss
• Steel Structure or Building
• BillBoard (Papan Reklame)
• Design Foundation














Detailing & Construction Drawing Services
• Structure Telecomunication Tower
• High Voltage Transmission Lines Tower PLN
• Bridge
• Steel Structure or Building
• Steel Truss











Engineering Service
• Design consultant
• Construction Management