S.L. 549.165 · Borehole Drilling And Excavation Works (S.L. 549.165)
S.L. 549.165 Art. 2Interpretation.
In these regulations, unless the context otherwise requires:
"Act" means the Environment Protection Act;'
"aquifer" means a subsurface layer or layers of rock or other geological strata of sufficient porosity and permeability to allow either a significant flow of groundwater or the extraction of significant quantities of groundwater; "Authority" means the Environment and Resources Authority established by article 6 of the Act; "body of groundwater" means a distinct volume of groundwater within any aquifer; "borehole" means any means any shaft, adit, opening, hole, spring outlet or well artificially dug in the ground or artificially enlarged, which has access to groundwater or from which groundwater is extracted or can be extracted or which is vertically deeper than half the distance between the well head and the nearest water table at that point, but it does not include a water retaining cistern;
"borehole geological log" means a register containing information regarding the drilling of a borehole;
"casing" means a conduit, pipe, fixture or constructional element which is inserted and attached to the circumference of the borehole to prevent any transfer of fluid between the borehole and its surrounding geological formation; "confined saline groundwater body" means a saline groundwater body that is overlain by a confining bed which confining bed has a significantly lower hydraulic conductivity than the aquifer formation sustaining the saline groundwater body; "officer" includes any person engaged by, detailed for duty with, or in any manner whatsoever performing duties for or on behalf of the Authority;
"permit" means a permit issued under these regulations to construct a borehole or to carry out any form of excavation works within the saturated zone; "saturated zone" means that part of an aquifer in which all interconnected openings within the geological formation are completely filled with water; "seawell" means a borehole:
(a) tapping the saline groundwater body lying underneath and in direct physical contact with a sea-level freshwater groundwater body and drilled at a distance of not more than 150 metres from the nearest point along the coastline, and which is cased in accordance with these regulations; or
(b) tapping a confined saline groundwater body which is not in direct physical contact with any freshwater groundwater body.
Änderungsgeschichte
- Amended by XVII.2024.42