The list of contracts of the Tandem project, LLC in 2017
| № | Client | The appellation of the contract | Period of execution of works |
| 1. | TGC-1, PJSC | Diving works on technical operation, inspection of equipment and GTS HPP-6, HPP-9, HPP-12 | February - December
2017 |
| 2. | Yakutskenergo, PJSC | Repair of concrete of the pressure head in the zone of variable water levels | March - May
2017 |
| 3. | Rushydro, JSC, Cascade-Kubanskie HPP | Underwater technical inspection of hydro-technical utilities of the Svistukhinskaya HPP (VB, NB), Novotroitskaya HPP (VB, NB) | May - December
2017 |
| 4. | Mosvodokanal, JSC | Execution of works on cleaning the Akulovsky water supply canal | May - December
2017 |
| 5. | Yakutskenergo, PJSC | Repair of slabs of the bottom of the spillway | June 2017 -
September 2019 |
| 6. | Yakutskenergo, PJSC | Repair of the side sections of the spillway | June 2017 -
October 2019 |
| 7. | Mosvodokanal, JSC | Arrangement of fish protection structures | April - September
2017 |
| 8. | Mosvodokanal, JSC | Execution of emergency recovery works to restore the building structures of buildings and structures of the VAS of Mosvodokanal, JSC | January - December
2017 |
| 9. | Mosvodokanal, JSC | Execution of works on underwater technical inspection of reinforced concrete structures in the sections of the RSV culvert | May - September
2017 |
| 10. | Mosvodokanal, JSC | Execution of underwater technical works at the facilities of Mosvodokanal, JSC | April - November
2017 |
| 11. | Mosvodokanal, JSC | Execution of work on the restoration of the entrance gate | April - May
2017 |
| 12. | Rushydro, JSC, Novosibirskaya HPP | Underwater technical inspection of GTS elements (9-NIR-2017) | March - December
2017 |
| 13. | Gazprom energo, LLC | Cleaning of water intake headers from sediment and sand for the needs of the Urengoy branch of GAZPROM ENERGO, LLC | March - May
2017 |
| 14. | Municipal unitary enterprise of the Shchelkovsky municipal district "Interdistrict Shchelkovsky vodokanal" | Execution of work on the overhaul of two lines of the sewer collector 2D-1200 mm from the Sokolovskaya pump station to the extinguishing chamber, Shchelkovsky municipal district (stage 1) | August - October
2017 |
| 15. | Eurosibenergo-teplovaya energiya, LLC | Repair of concrete of the idle spillway No. 1 of the Segozersky hydroelectric power station. Spillway, Segozersky hydroelectric power station inv. No.59008276 | July - October
2017 |
| 16. | FGBU for the operation of reservoirs of the Chelyabinsk region | Overhaul of the spillway of the Argazinsky hydroelectric power station, Chelyabinsk region | June - November
2017 |
| 17. | MIPCM JSC | Diving and instrumental survey of the underwater structure (siphon) at the facilities of MIPC, JSC for the needs of Moscow United Energy Company, PJSC | May - December
2017 |
| 18. | Technopromexport, LLC | Execution of works on the restoration of hydro-technical utilities and clearing of the channel pond inv. No. 60-r of the Maly Salgir river basin on the territory of the Trudovsky rural settlement of the Simferopol region of the Republic of Crimea | May 2017 -
February 2019 |
| 19. | T PLUS, PJSC | Construction and installation works "Reconstruction of the spillway" for the needs of the branch "Perm", T Plus, PJSC (777472) | April - October
2017 |
| 20. | TGC-1, PJSC | Replacement of the repair gate of the bottom spillway from the headwater of TGK-1, PJSC | April 2017 -
December 2018 |
| 21. | Yakutskenergo, PJSC | Repair of concrete using modern compositions of "for the needs of Yakutskenergo, PJSC | April - December
2017 |
| 22. | Mosvodokanal, JSC | Cleaning the Akulovsky water supply canal (on the section from Listvyanskaya HPP to switch No.1) | November - December
2017 |