SNI 37.000—Sewerage

Where 37.000 sits

1. E Water Supply; Sewerage, Waste Management and Remediation Activities
2. 37 Sewerage
3. 37.0 Sewerage
4. 37.00 Sewerage
5. 37.000 Sewerage

What 37.000 includes

• Operation of sewage systems or wastewater treatment plants for the reuse of, for example, wastewater from agriculture, industry, road maintenance or collected rainwater or for the artificial recharge or increase of groundwater bodies.
• Collection and transport of wastewater from one or more users, such as households or industrial companies
• Collection and transport of rainwater through sewage systems, collectors, tanks and other means of transport (sludge suction trucks, etc.)
• Maintenance and cleaning of the sewage system, including cleaning of drains (outdoors)
• Freeze-drying of sewage sludge through wastewater treatment plants
• Emptying and cleaning of sewers and septic tanks, sewer pipes and shafts from wastewater
• Maintenance of chemical toilets
• Treatment of wastewater (including human and industrial wastewater and water from swimming pools, etc.) through physical, chemical and biological processes such as dilution, screening, filtration, sedimentation, etc.

What 37.000 excludes

• Further processing of sludge from wastewater, see 38
• Anaerobic fermentation, see 38.2
• Anaerobic treatment such as composting, see 38.21
• Incineration with energy recovery, see 38.220
• Combustion without energy recovery, see 38.310
• Decontamination of surface and groundwater at a contaminated site, see 39.000
• Construction or repair of sewage systems, see 42.210
• Cleaning and unclogging of drains in buildings, see 43.22
• Rental of portable toilets, see 77.390

Example activities

• sewage treatment
• sewer cleaning
• sewerage systems, maintenance and cleaning
• well cleaning
• operation of sewage systems or treatment plants
• filming of sewer pipes
• latrine collection
• wastewater treatment plant
• septic tanks, emptying and cleaning
• sludge suction
• operation of pumping stations for sewage systems

37.000 in other systems