In force: 2019-04-18
44. The options referred to in subparagraphs 1, 2 and 3 of the first paragraph of section 42 must also meet the following conditions:
(1) the ground leveling, reduction of working faces or backfilling must stabilize the slopes and, in the case of a sand pit, the final profile of the land must not exceed 30° from the horizontal unless the land is stabilized with a structure preventing any landslide or erosion;
(2) the revegetation work, that is, seeding or planting, must allow to reconstitute, 18 months following the closure of the quarry or sand pit, a soil and a permanent natural vegetation cover that is still growing, except if the vegetation is harvested as part of recultivation of land.
If the option referred to in subparagraph 2 of the first paragraph of section 42 is retained for a quarry established after 17 August 1977 and located on the side of a hill, mountain, cliff or slope, the working face must be made up of benches not more than 10 m in height and of horizontal terraces at least 4 m that must be vegetated, unless the operator shows that the objectives referred to in section 38 have been achieved.
Backfilling work in a quarry or sand pit, in accordance with subparagraph b of subparagraph 3 of the first paragraph of section 42 must not give rise to the deposit of contaminants due to a human activity in that quarry or sand pit.
At all times, backfilling work in a quarry using the soils referred to in subparagraphs b and e of subparagraph 3 of the first paragraph of section 42 must not give rise to the deposit of contaminants in a concentration greater than the limit values provided for in Schedule I to the Land Protection and Rehabilitation Regulation (chapter Q-2, r. 37).