In 2001, Konstruktsiya CJSC, as a diagnostics organization, performed operations on diagnostics of shutoff valves on the linear portion of Privolzhsknefteprovod OJSC.

In 2005, operations were performed on:
- engineering diagnostics and audit of industrial safety of mechanical-processing equipment (pumping units, auxiliary pumps, shutoff valves) on oil-transfer stations of Severniye Magistralniye Nefteprovody OJSC.

In 2006, operations were performed on:
- engineering diagnostics, audit of industrial safety of shutoff valves (248 unit) on OTS of Chernomortransneft OJSC;
In 2007, operations were performed on:
- engineering diagnostics of industrial stopcocks (34 units) on facilities of Severniye Magistralniye Nefteprovody OJSC.

В In 2006, operations were performed on: - engineering diagnostics of air valves (700 units) In 2007, operations were performed on: - engineering diagnostics of welded elements on facilities of Severozapadniye MN OJSC.

In 2002, Konstruktsiya, as an expert organization, performed operations on: examination and audit of industrial safety of mechanical-processing equipment (sump filters, pumping units, ventilation systems, auxiliary pumps, shutoff valves) on oil-transfer stations of Privolzhsknefteprovod OJSC, MN Druzhba OJSC and Verkhnevolzhsknefteprovod OJSC;
In 2006, operations were performed on engineering diagnostics of ventilation systems on OTS of Chernomortransneft OJSC;

In 2006, operations were performed on:
- engineering diagnostics of trunk line pig launchers (3 units) on OTS of Chernomortransneft OJSC;

In 2007, operations were performed on:
- engineering diagnostics of pig launchers on facilities of Severniye Magistralniye Nefteprovody OJSC (10 units).

In 2005, operations were performed on assessment of technical conditions of the following facilities: auxiliary, booster and trunk line pumps, industrial stopcocks, mud-trap filters; SPRV (spring pressure relief valves) - 712 units;

As an expert system, Konstruktsiya CJSC performed diagnostics of oil systems.

In 2006, operations were performed on
- engineering diagnostics of pumps
– 28 units on OTS of Chernomortransneft OJSC.

As an expert system, Konstruktsiya CJSC performed operations on:
- certification and audit of industrial safety of pressure controls

In 2001, Konstruktsiya CJSC, as a diagnostics organization, performed operations on diagnostics of tanks on facilities of Chernomortransneft OJSC and shutoff valves of the linear pipeline portion of Privolzhsknefteprovod OJSC.

In 2007, operations were performed on:
- engineering diagnostics of RVS 20000 (3 units) on facilities of Severozapadniye MN OJSC.

In 2003, operations were performed on examination of industrial and auxiliary pipelines at Baltnefteprovod LLC, MN Druzhba OJSC and Verkhnevolzhsknefteprovod OJSC (the total length exceeding 30 km).
In 2004, operations were performed on:
- certification of industrial pipelines of Spetsmornefteport Pimorsk LLC (3.8 km), Lopatino LPDS (12 km) of MN Druzhba OJSC, Yetkul OTS (1.7 km) of Uralsibnefteprovod OJSC;
In 2006, operations were performed on:
- engineering diagnostics of pipelines of Uralsibnefteprovod OJSC.

In 2005, operations were performed on:
- assessment of technical conditions of the following facilities: auxiliary, booster and trunk line pumps, industrial stopcocks, mud-trap filters; SPRV (712 units);
In 2006, operations were performed on:
- assessment of technical conditions of the following facilities: auxiliary, booster and trunk line pumps, industrial stopcocks, mud-trap filters; SPRV(398 units).