The Quarries Regulations 1999

Site survey

1.  An accurate plan which should be prepared on a scale not less detailed than 1 2500 showing—

(a) the boundaries of the quarry or premises upon which the excavation or tip or proposed excavation or tip is or is to be situated;

(b) the site of the excavation or tip or proposed excavation or tip;

(c) any contiguous land or structures which might be affected by the excavation or tip or proposed excavation or tip; and

(d) all mine workings (whether abandoned or not), buried quarry workings, known cave systems, active or former landslips, springs, artesian wells, watercourses and other natural or man-made features including tunnel pipes or culverts which might affect the safety of the excavation or tip or proposed excavation or tip or which might be relevant for the purpose of determining whether excavation or tipping operations can be carried out safely,

which plan shall be contoured to Ordnance Datum Newlyn at a vertical interval not greater than 5 metres and orientated to and correlated with the Ordnance Survey National Grid and marked with squares corresponding to the 100 metre squares shown on Ordnance Survey sheets on the scale of 1:2500.