12.1 – Building and constructing the water and wastewater treatment facility and
buildings, installation of system networks and relevant equipment installation.
12.2.1 Operation and maintenance service for the urban water supply and distribution
buildings.
12.2.2 Operation and maintenance service for water welling and water treatment
facilities.
12.2.3 Operation and maintenance service for water supply networks.
12.2.4 Operation and maintenance service for water distribution networks.
12.2.7 Operation and maintenance service for wastewater outgoing networks.
12.2.8 Operation and maintenance service for wastewater collection networks.
12.2.9 Operation and maintenance service for wastewater discharge networks.
12.2.10 Operation and maintenance service for wastewater treatment facilities.
12.2.11 Installation, maintenance, testing and adjustment of equipment of water and
wastewater treatment facilities
12.2.14 Transport service for wastewater by special purpose vehicles
БА-3.1. – Building and constructing the concreted, full steel structured and steel
structured building.
БА-4.3. – Building and constructing the water and wastewater treatment facility and
buildings, installation of system networks and relevant equipment installation.
БА 4.4. – Installation of central heating pipework and equipment
БА 6.1. – Installation of the buildings of internal water and wastewater treatment facility
system and piping networks, relevant equipment installation and external side-line
installation.
БА-6.2. – Installation of indoor heating and ventilation networks, cooling facilities and
equipment, and outdoor branch networks
БА-6.3. – Installation of internal lightning, electricity supply and external side-line grid of
buildings.
ЗТ-3.4 – Design and drawing of Wastewater treatment plant, sewerage system and technology
shop drawing ЗТ-6.1 – Internal water supply and sewerage system of building; External
water supply of sewerage system;
АҮХ-21/21/0022 - Nationwide sterilaztion and disinfection
ISO 9001:2015 Quality management system - requirementISO14001:2015 Environmental
management system - Requirements and guidelines for applicationISO 45001:2018
Occupational health and safety management system - Requirements and application
guidelines