Work done by the Saint-Petersburg branch in April, 2011

TPP-22

• Grounds:
  • cable work on the cooling tower No2 – 1,1 km in all;
  • opening/closing of cable boxes, 410 m;
  • installation work at cable passageways leading to the cooling tower No2;
  • Closing of the cable passageway, KP-01, 140 m;
• CPP
  • Installation of control boxes (for pumps), 1 unit
  • Secondary cable wiring at RTZO (LA80)
  • Base pipes for clean-water pumps;
  • EC&I pinout: box No5, local control-board No2. Installation/wiring of sensors/detectors. Arrangement of control switches;
  • Installation of devices onto control boards (manometers)
  • Valve actuator pinout – 2 units
• CNS-7
  • Connection of 6kV power cable. Phasing adjustment.
  • Cable laying work (thermal control system);
  • Installation/wiring of a LA92 box & relevant alarm system.
  • Installation of valve actuators. – 2 units.
  • Control-board setup (for manometers), impulse lines and cable work.
• VPU:
  • Installation of base pipes for two pumps.
  • Cable lay/connection work.
• PGU-450
  • Cable work in the gas booster station.
  • Closing of cable boxes across the grounds.
  • Gas turbine. Indoor lighting system setup (stairway).
  • Indoor lighting system (elevator shaft, bathrooms).
  • Lighting system (hallways).
  • Cable work on the ventilation system, SAK27 (100 m total), SAM79 (170 m total), SAK25 (75 m in all), SAK26 (75 m total).
  • Closing of the cable passageway at PT.
  • Angular covers.
  • RUSN-6кВ Installation of CTs. Manufacture and installation of rigid busbar systems. Transformer secondary wiring.
  • Cable laying/connection activities.
  • Box grounding.

”Kolontay” substation

• Cable laying work, 10kV – 2.5 km total.
• Control cable laying (part of RPS project), 12.2 km in all.
• Ground of the metalwork cable constructions (doors).
• Installation of batteries (2 units, 106 parts each)
• Outdoor grounding grid.
• Lightning protection system setup

“Vologda” substation

• Metalwork cable constructions;
• RPS boards, 18 units, installation.
• Equipment installation in the battery room;
• Installation of PASS equipment, 5 units.
• Flexible busbar system SSG-110kV;
• Installation of OPU bridges between RPS boards

TPP-14

• Gas-turbine work. Local lines. Cable laying. Installation of a feed system.  Power equipment installation. KRU-6kV – done. Auxiliary current lead – done. GTU-3, GTU-4, PT-2 current leads – in progress. Generator CBs – done. 0.4kV sections, DC, control boards – installed and running. Relevant cable laying.
• EC&I KU4 and KU3 impulse lines. Control cable laying/connection;
• Metalwork constructions. Machinery room, boiler room, annex A-A1 – final stage.
• Cable passageways. Machinery room, boiler room, annex A-A1 – passageway work in progress.
• Lighting systems. Boiler room, machinery room. Annex – LS installation, wiring, cable laying.
• AUT.Current lead work.

TPP-5

• PU 2
  • Construction of a specialized annex building;
  • Cable laying for secondary switchgear equipment;
  • Grounding at GK Unit 2;
  • Lighting system in the secondary switchgear 330 kV building
  • Cable laying work at the heating ventilation system;
  • Grounding grid (installation work) at the boiler house and gas-turbine building;
• Temporary power supply:
  • 0.4 kV cable work. Replacement of transformer leads;
  • Correction of UTSN-7 drawbacks;
• Renovation work
  • Preparation of the transformer buildings for subsequent installation of a new CT and cable laying work (0.4 kV);
  • General cable laying work;
  • Power cable laying 0.4 kV and 6 kV;

TPP-15

• Renovation work at K-149 relay protection segment;
  • Replacement of protection boxes, power/control cable laying, equipment installation – all done. Cable work – all completed. Presently waiting for equipment/materials required for further work. Testing work is now in progress.
• Current-limiting reactor

Control cable work, cable passageways, grounding grid – all done.  Now doing cable connection work. Preparation for the wiring of SSG-110kV (AC-400 wire).