Rewiew of the works performed according to the Contract for sewage treatment facilities of Vologda City.

According to the Contract for sewage treatment facilities of Vologda City some survey and project works have been performed.

Delivery, mounting and starting-up and adjustment is being in progress ( transfer and mixing equipment, aeration systems, air-blowing equipment, etc.). Repair-and-renewal operations and new 40 miters final settling tank building is being performed as well.

During the reconstruction an air tank №4 with new fine bubble aeration system АР 420Т (AQUA-TOR) was set in operation.

Building of nitrate recycle and circulating activated sludge pipelines is about being finished .

Completion of pumping air-blowing plant reconstruction and intake plenum building is on the agenda. We are planning to have two H.Cegelski-Poznan DA 500-60-18000

airblowers set in operation and started up.