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Q-2, r. 22 - Regulation respecting waste water disposal systems for isolated dwellings
Section 38
Disposition versions
38. Area of the sand-filter bed: The area of the sand-filter bed of an above-ground soil absorption system for an isolated dwelling must comply with the minimum standards in the following table, according to the origin of the effluent and the number of bedrooms:
_________________________________________________________________
Number of bedrooms Minimum area of the sand-filter bed
(square metres)
_________________________________________________________________
Effluent from a Effluent from a
primary treatment secondary treatment
system system
_________________________________________________________________
1 18 12
_________________________________________________________________
2 26 18
_________________________________________________________________
3 39 26
_________________________________________________________________
4 52 35
_________________________________________________________________
5 65 44
_________________________________________________________________
6 78 52
_________________________________________________________________
_________________________________________________________________
Number of bedrooms Minimum area of the sand-filter bed
(square metres)
_________________________________________________________________
Effluent from a Effluent from a
primary treatment secondary treatment
system system
_________________________________________________________________
1 18 12
_________________________________________________________________
2 26 18
_________________________________________________________________
3 39 26
_________________________________________________________________
4 52 35
_________________________________________________________________
5 65 44
_________________________________________________________________
6 78 52
_________________________________________________________________
In other cases, the area of the sand-filter bed of an above-ground sand-filter bed must comply with the minimum standards in the following table, according to the origin of the effluent and the total daily flow:
______________________________________________________________________
Total daily flow (litres) Minimum area of the sand-filter bed
(square metres)
______________________________________________________________________
Effluent from a Effluent from a
primary treatment secondary treatment
system system
______________________________________________________________________
0 to 540 18 12
______________________________________________________________________
541 to 1080 26 18
______________________________________________________________________
1081 to 1620 39 26
______________________________________________________________________
1621 to 2160 52 35
______________________________________________________________________
2161 to 2700 65 44
______________________________________________________________________
2701 to 3240 78 52
______________________________________________________________________
38. Area of the sand-filter bed: The area of the sand-filter bed of an above-ground soil absorption system for an isolated dwelling must comply with the minimum standards in the following table, according to the origin of the effluent and the number of bedrooms:
_________________________________________________________________
Number of bedrooms Minimum area of the sand-filter bed
(square metres)
_________________________________________________________________
Effluent from a Effluent from a
primary treatment secondary treatment
system system
_________________________________________________________________
1 18 12
_________________________________________________________________
2 26 18
_________________________________________________________________
3 39 26
_________________________________________________________________
4 52 35
_________________________________________________________________
5 65 44
_________________________________________________________________
6 78 52
_________________________________________________________________
______________________________________________________________________
Total daily flow (litres) Minimum area of the sand-filter bed
(square metres)
______________________________________________________________________
Effluent from a Effluent from a
primary treatment secondary treatment
system system
______________________________________________________________________
0 to 540 18 12
______________________________________________________________________
541 to 1080 26 18
______________________________________________________________________
1081 to 1620 39 26
______________________________________________________________________
1621 to 2160 52 35
______________________________________________________________________
2161 to 2700 65 44
______________________________________________________________________
2701 to 3240 78 52
______________________________________________________________________
_________________________________________________________________
Number of bedrooms Minimum area of the sand-filter bed
(square metres)
_________________________________________________________________
Effluent from a Effluent from a
primary treatment secondary treatment
system system
_________________________________________________________________
1 18 12
_________________________________________________________________
2 26 18
_________________________________________________________________
3 39 26
_________________________________________________________________
4 52 35
_________________________________________________________________
5 65 44
_________________________________________________________________
6 78 52
_________________________________________________________________
The area of the sand-filter bed of an above-ground soil absorption system for another building must comply with the minimum standards in the following table, according to the origin of the effluent and the total daily flow:
______________________________________________________________________
Total daily flow (litres) Minimum area of the sand-filter bed
(square metres)
______________________________________________________________________
Effluent from a Effluent from a
primary treatment secondary treatment
system system
______________________________________________________________________
0 to 540 18 12
______________________________________________________________________
541 to 1080 26 18
______________________________________________________________________
1081 to 1620 39 26
______________________________________________________________________
1621 to 2160 52 35
______________________________________________________________________
2161 to 2700 65 44
______________________________________________________________________
2701 to 3240 78 52
______________________________________________________________________
