Purchase of water improvement facilities in Kaišiadorys city, design and project supervision services
1. To design the reconstruction of existing water improvement facilities (SOEs). The design capacity of the SOE after reconstruction is 150 m3/h, 3000 m3/day.
2. Design at least two lines of water treatment equipment. Design non-pressure (open type) devices.
3. The work of the water treatment plants must be automatic. To predict the washing of devices during the night automatically according to the set time program. Carry out filter washing with clean or borehole water and air filtered by other filters.
4. To regulate the working and washing modes of the filters for the wells, provide pump frequency converters.
5. Provide for the oxidation of pollutants only atmospheric oxygen. For the saturation of water with oxygen, air supply can be provided. Provide for one working and one spare compressor. Provide for a stationary device for measuring oxygen.
6. To supply air during filter washing, provide for one working, one spare blower. Blowers with noise cancellation hoods.
7. Provide for the connection of filter wash water to the existing filter line going to the existing filter refiners. There is a system of clarification.
8. To provide for measuring devices for the flow of extracted, supplied to consumers and washing water.
9. To design the reconstruction of the outdoor water supply line from the common existing well water line going to the existing clean water tanks to the building of the newly constructed water improvement facilities, and the ready-made water drainage line, which is connected to the existing water supply line going to the clean water tanks.
10. To design the reconstruction of the existing dewatering plant building. The building is of industrial use.
11. In water improvement facilities, provide for a water disinfection system that, if necessary, dose the disinfectant according to the flow of filtered water. A single working container for chemicals in a protective futile must be provided. Also provide an analyzer of active chlorine in water.
12. Provide for a system for the management of water improvement facilities and data transmission SCADA.
13. Provide for stationary devices for measuring parameters:
14. To provide for fire and security alarm systems for the building of water improvement facilities. Provide for a perimeter security system for the territory.
15. Electrical equipment (switchboards, luminaires, sockets, etc.) shall be of a protection class of at least class IP44.
16. Clean water tanks existing, provide for the following works:
There are two G/B reservoirs on the territory of the watershed. Each of them holds 1000 m3 of clean water. Provide for the internal coating of these tanks with a watertight substance suitable for contact with foodstuffs;
17. The existing building of the II lifting pumping station is being reconstructed:
18. To prepare a description of the demolition of the existing water supply tower.
19. To provide for the restoration of damaged coatings during construction.
20. Provide for a new fencing of the watershed. Sectional welded mesh 1.8 m high. The total length is about 1.2 km.
21. To update the pavements of access roads and sites of the territory. About 3500 m2.
22. The designer selects the interior and exterior decoration and finishing materials of the building in agreement with the Customer.
23. In the design of power supply and management systems, they shall include, at a minimum, the following elements.
24. Design an automatic control system: