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Name of Project: Elaboration of detailed design for repair and rehabilitation of rectifier stations (RS). Rehabilitation of RS in Stara Zagora
   
Contractor: Troleybusni prevozi EOOD Stara Zagora
   
Description:

European financing: Project ‘Modernization and development of sustainable public transport in the town of Stara Zagora’, Contract BG161PO001/1.5-03/2011/003, Grant Nr. BG161PO001/1.5-03/2011 ‘Support for integrated public transport in the five biggest towns’ of the Operative program ‘Regional development 2007 – 2013’.

Description:

Rehabilitation of rectifier stations (RS) as a component of the Project for modernization and development of sustainable public transport in the town of Stara Zagora is intended to improve reliability of the public transport power supply. The aim is to preserve the electrical equipment, the overhead contact network (OCN), the power supply cables, and the trolley buses. Contract includes elaboration of updated detailed design, submission of all design documentation, and further rehabilitation of RS-1, RS-2, RS-3, RS-4, and RS-5.

   
Lead in exploitation: 09.2015
   
Finished Activities:

At Design stage shall be elaborated a two-parted detailed design including:


1. Rehabilitation of RS-1, RS-2, RS-3, and RS-5:

  • Electrical reorganization of 20 kV MV distribution device;
  • Electric installation, power supply installation, and lighting installation;
  • Heating and ventilation system;
  • Technology of project implementation;
  • Health and safety plan;
  • Fire protection.

2. Rehabilitation of RS-4:

  • Electrical reorganization of 20 kV MV distribution device;
  • Electric installation, power supply installation, and lighting installation;
  • Heating and ventilation system;
  • Construction part: roof;
  • Water supply and sewerage installation;
  • Technology of project implementation;
  • Health and safety plan;
  • Fire protection.

 Execution stage of the Project includes implementation of the construction and electrical works projected in the detailed design.

1. Rehabilitation of RS-1, RS-2, RS-3, and RS-5:

  • Substitution of 20 kV switchgear – dismantling of existing equipment, delivery and installation of new equipment, materials, personal protective means;
  • Restore of sound-and-visual signalization system of the auxiliary power supply switchboard;
  • Restore of missing plates;
  • Restore of the spare sectional automatic device on barrow;
  • Restore of missing knife disconnectors;
  • Restore of relay protection, full test-run, measuring and control;
  • Restore of lighting installation in Machine room;
  • Erection of air-conditioning installation in premises for personnel on-duty.

2. Rehabilitation of RS-4:

  • Restore of rectifier-1 and rectifier-2;
  • Restore of missing plates;
  • Restore of relay protection, full test-run, measuring and control;
  • Repair of flat, tin roof;
  • Restore of water supply and sewerage installation beside RS-4 building;
  • Erection of air-conditioning installation in premises for personnel on-duty.
   
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