Wastewater Treatment (Leaving Cert Construction Studies): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Most common rural wastewater treatment system in Ireland
Most common rural wastewater treatment system in Ireland
Septic tank
Number of chambers in a septic tank
Number of chambers in a septic tank
Two chambers
Type of bacteria breaking down waste in septic tank
Type of bacteria breaking down waste in septic tank
Anaerobic bacteria
Minimum capacity of septic tank (litres)
Minimum capacity of septic tank (litres)
2,725 litres
Septic tank length to width ratio
Septic tank length to width ratio
Length must be 3 times the width
Min distance from dwelling to septic tank
Min distance from dwelling to septic tank
7m
Min distance from septic tank to percolation area
Min distance from septic tank to percolation area
10m
Diameter of percolation pipes
Diameter of percolation pipes
100mm to 110mm
Max length per percolation pipe
Max length per percolation pipe
18m
Duration of smoke testing for drainage systems
Duration of smoke testing for drainage systems
5 minutes