Works

We are well qualified to provide solutions within the following fields

Developing with professionalism and depth the project engineering, in order to select and install the most appropriate set of equipment in specific facilities such as Runways and Heliports and then, once the project and equipment are approved, proceed to the provision, transportation, the assembly and commissioning of the systems.

PROJECT →

EQUIPMENT →

FACILITIES →

SYSTEMS →

GENERAL RECONDITIONING OR INTEGRAL RENOVATION (REVAMPING) →

Project

EQUIPMENT

Cells and electronic boards in high, medium and low voltage

Power and distribution transformers
UPSs (Uninterrupted Power System)

: Existing transformers 35/6kV, 6MVA, with automatic switches that underwent general maintenance. Side view of the connection.

: Indoor distribution transformers with dry insulation. Installed powers up to 2.5MVA. They then feed the general low voltage distribution panels.

: Supply and installation of UPSs. In this case, two combined units of 200kVA each for the service of the data systems of the airport terminal.

: Existing transformers 35/6kV, 6MVA, with automatic switches that underwent general maintenance. Side view of the connection.

: Indoor distribution transformers with dry insulation. Installed powers up to 2.5MVA. They then feed the general low voltage distribution panels.

: Supply and installation of UPSs. In this case, two combined units of 200kVA each for the service of the data systems of the airport terminal.

Emergency generator sets or generators for special applications

Chillers

: Unloading, positioning and installation of a 1100TR capacity centrifugal chiller with R123 refrigerant. The 16Tn weight equipment has been installed in a room at sub-floor level.

: Installation and commissioning of a centrifugal chiller with R123 refrigerant of 1100TR capacity.

: Screw chiller maintenance, with R134 refrigerant of 300TR capacity. Within the preventive maintenance system, an annual control of the level and condition of the oil is carried out.

: Descarga, posicionamiento e instalación de Chiller centrífugo con refrigerante R123 de 1100TR de capacidad. El equipo de 16Tn de peso, ha sido instalado en sala a nivel sub-suelo.

: Instalación y puesta en marcha de Chiller centrífugo con refrigerante R123 de 1100TR de capacidad.

: Mantenimiento de chiller a tornillo, con refrigerante R134 de 300TR de capacidad. Dentro del sistema de mantenimiento preventivo, se efectúa un control anual de nivel y estado del aceite.

Cooling towers
Hydro pneumatic tanks

: En proceso de desarme para el mantenimiento anual, previo al inicio de la época estival.

: Caños de distribución de retorno de agua de condensadores de chillers, alimentación de agua de red y alimentación de agua enfriada a los chillers.

: Instalación y mantenimiento de tanques hidroneumáticos en instalaciones de agua fría y caliente, en volúmenes pequeños y grandes.

Hot water and steam boilers

Split type Air-Conditioners
VRV systems (variant refrigerant volume)
UTA-s (Air handling unit)
VAV boxes (variable air volume)

: Sistemas VRV en la terminal Presidencial

: Conexiones de entradas y salidas a Unidades de Tratamiento de AIRE (UTA en español, Air Handling Units-AHU- en inglés).

: Conductos troncales de aire (inyección y retorno) en salas de máquinas. Se observan las conexiones de entradas y salidas a las UTAs (Unidades de Tratamiento de Aire) o AHUs -por sus siglas en inglés (Air Handling Units).

Passenger boarding bridges for aircrafts
400 Hz generators
Wind sleeves

Elevators
Mechanic stairs
Conveyor belts for luggage and other products

Racks of systems in telephony, data, fire detection, access control, CCTV, BMS, etc.)

Pumps for water and for other liquids

FACILITIES

Runway
Heliports

: Verifier plane in full flight for runway recategorization. It is observed as it approaches, the unmistakable and perfect geometry of the lighting and its complete operation. On that occasion, the Center Line and Touch Down Zone systems were replaced with LED lights.

: Drilling the runway for the removal (and subsequent relocation) of embedded markers from the runway center line during the resurfacing process. The airport interrupted its operation only 10 hours a day.

: Calibration prior to aerial verification of the PAPI (Precision Approach Path Indicator) system to ensure correct angles. This system visually indicates to the aircraft commander the correct landing angle.

Parking platforms

Runway lighting
Heliports lighting

Electric substations (open, underroof or packaged)

: 10/0.4kV substation with two transformers of 500kVA each (the one on the left existing from the time of the Soviet Union and the one on the right new with oil bath insulation). There is a disconnector that derives to feed a third transformer also 500kVA at a distance of 400m. They all feed a winery in the town of Armavir.

: High voltage cells (6kV) that receive power from the power transformers and distribute that voltage within the airport.

: 6/0.4kV substation that includes: 6kV input cell; Dry insulation transformer 6/0.4kV; General board for refrigerated storage power supply.

: Sub estación 10/0,4kV con dos transformadores de 500kVA cada uno (el de la izquierda existente de la época de la Unión soviética y el de la derecha nuevo con aislación en baño de aceite). Hay un seccionador que deriva para alimentación de un tercer transformador también de 500kVA a 400m de distancia. Todos alimentan una bodega en la localidad de Armavir.

: Celdas de alta tensión (6kV) que reciben las alimentaciones de los transformadores de potencia y distribuyen en esa tensión dentro del aeropuerto

: Sub estación 6/0,4kV que incluye: celda de entrada en 6kV; Transformador de aislación seca 6/0,4kV; Tablero general para alimentación del almacenamiento refrigerado.

Machinery rooms

: Hot water boiler room for heating with a nominal power of 3000kW. Exhaust gas outlet chimneys.

: Hot water boiler room for heating with a nominal power of 3000kW. Exhaust gas outlet chimneys.

: Pumps for impulsion of cold water in the HVAC cooling circuit, flow rate 500 m3/h @ 50mca. They are equipped with speed variators in order to keep the pressure constant regardless of the consumption of the circuit.

Wineries

Systems

Runway lighting
Heliports lighting

: Vista del sistema de aproximación (primeros 900m previos a la pista) complementado con sistema flash (ayuda a la aeronavegación en días con niebla)

: Indication signage for aircraft.

: PAPI (Precision Approach Path Indicator) system recently installed at Gyumri City Shirak Airport.

: Indication signage for aircraft.

: Verifier plane in full flight for runway recategorization. It is observed as it approaches, the unmistakable and perfect geometry of the lighting and its complete operation. On that occasion, the Center Line and Touch Down Zone systems were replaced with LED lights. Photo 3 of 3.

: Verifier plane in full flight for runway recategorization. It is observed as it approaches, the unmistakable and perfect geometry of the lighting and its complete operation. On that occasion, the Center Line and Touch Down Zone systems were replaced with LED lights. Photo 2 of 3.

: View of the approach system (first 900m before the runway) complemented by a flash system (helps air navigation on foggy days). x

: Indication signage for aircraft.

: PAPI (Precision Approach Path Indicator) system recently installed at Gyumri City Shirak Airport.

: Verifier plane in full flight for runway recategorization. It is observed as it approaches, the unmistakable and perfect geometry of the lighting and its complete operation. On that occasion, the Center Line and Touch Down Zone systems were replaced with LED lights. Photo 1 of 3.

: Verifier plane in full flight for runway recategorization. It is observed as it approaches, the unmistakable and perfect geometry of the lighting and its complete operation. On that occasion, the Center Line and Touch Down Zone systems were replaced with LED lights. Photo 2 of 3.

: Verifier plane in full flight for runway recategorization. It is observed as it approaches, the unmistakable and perfect geometry of the lighting and its complete operation. On that occasion, the Center Line and Touch Down Zone systems were replaced with LED lights. Photo 3 of 3.

Driving force, lighting and electrical outlets in large buildings

Driving force, lighting and electrical outlets in large buildings

Pipelines for electrical installations and weak currents

: Laying of ladder-type cable trays for power cables and blind trays for weak current conductors. The red cables are 45kV nominal voltage cables. Sub Station 35/6kV, 12MVA, right side.

: Ketro staff assembling support for cable trays.

: Laying of ladder-type cable trays and cables on it. We attach singular importance to the neatness of the facilities and the “combing” of the drivers.

: Tendido de bandejas portacables tipo escalera para cables de potencia y bandejas ciegas para conductores de Corrientes débiles. Los cables rojos, son cables de 45kV de tensión nominal. Sub Estación 35/6kV, 12MVA, lado derecho.

: Personal Ketro montando soportería para bandejas portacables.

: Laying of ladder-type cable trays and cables on it. We attach singular importance to the neatness of the facilities and the “combing” of the drivers.

Pipelines for electrical installations and weak currents
Power and signal wiring

: Laying of cold water (6ºC) and water vapor (150ºC) pipes in communication tunnels between airport terminals. They are covered with thermal insulation of the corresponding type and external protection coating.

: Control (manifold) of AIR Handling Units (UTA in Spanish, Air Handling Units-AHU- in English) automated through BMS systems (Building Management System) in air conditioning installations of large buildings.

: Heat exchanger between hot water for HVAC and domestic water.

: Tendido de cañerías de agua fría (6ºC) y vapor de agua (150ºC) en túneles de comunicación entre terminales aeroportuarias. Las mismas se encuentran revestidas con aislaciones térmicas del tipo correspondiente y revestimiento de protección externo.

: Control (manifold) de Unidades de Tratamiento de AIRE (UTA en español, Air Handling Units-AHU- en inglés) automatizados a través de sistemas BMS (Building Managemens System) en instalaciones de climatización de grandes edificios.

: Intercambiador de calor entre agua caliente para HVAC y agua sanitaria.

: Laying of ladder-type cable trays for power cables and blind trays for weak current conductors. On the right, PVC pipes with installation of grounding cables. The network cables are 45kV nominal voltage cables. Sub Station 35/6kV, 12MVA, left side.

: Ketro personnel connecting cables laid on trays in the pass box.

: Laying of ladder-type cable trays and cables on it. We attach singular importance to the neatness of the facilities and the “combing” of the dei drivers.

: Laying of ladder-type cable trays for power cables and blind trays for weak current conductors. On the right, PVC pipes with installation of grounding cables. The red cables are 45kV nominal voltage cables. Sub Station 35/6kV, 12MVA, left side.

: Ketro personnel connecting cables laid on trays in the pass box

: Laying of ladder-type cable trays and cables on it. We attach singular importance to the neatness of the facilities and the “combing” of the dei drivers

HVAC plumbing for cold water, condensate water or steam

: Laying of cold water (6ºC) and water vapor (150ºC) pipes in communication tunnels between airport terminals. They are covered with thermal insulation of the corresponding type and external protection coating.

: Control (manifold) of AIR Handling Units (UTA in Spanish, Air Handling Units-AHU- in English) automated through BMS systems (Building Management System) in air conditioning installations of large buildings.

: Heat exchanger between hot water for HVAC and domestic water.

: Tendido de cañerías de agua fría (6ºC) y vapor de agua (150ºC) en túneles de comunicación entre terminales aeroportuarias. Las mismas se encuentran revestidas con aislaciones térmicas del tipo correspondiente y revestimiento de protección externo.

: Control (manifold) de Unidades de Tratamiento de AIRE (UTA en español, Air Handling Units-AHU- en inglés) automatizados a través de sistemas BMS (Building Managemens System) en instalaciones de climatización de grandes edificios.

: Intercambiador de calor entre agua caliente para HVAC y agua sanitaria.

Air ducts

: Traditional air injection ducts in galvanized sheet, thermally insulated with glass wool with external aluminum foil. The support in this example is anti-seismic.

: Traditional air injection ducts in galvanized sheet, thermally insulated with glass wool with external aluminum foil. The installation has been coordinated with the laying of electrical cable trays, optimizing and ordering the attic (this is the space above the ceiling and below the concrete slab where most of the installations circulate).

: Ducts for discharge of cooling air from large equipment. In this case, a 1,600 kVA emergency generator set.

Automation of systems

Please, consider the list above, as indicative and exemplary.

You can find the complete summary of images related to facilities that we have designed and built in recent years, accompanied by a synthetic technical explanation of each one clicking on the link “PHOTO GALLERY”.

TIMELY TECHNICAL SERVICES MEDIUM AND LARGE SPAN

professionalism,
trust, experience and quality.

KETRO SA

OFFICE

Via Balestra 27,
6900 Lugano – SUIZA
T: +41 91 922 97 37
info@ketro-sa.ch

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