Paragraph 6 Capital dredging and disposalI1
England and Wales
The undertaker is permitted to carry out capital dredging at the following locations—
the current approach channel to a depth of 14.1 metres below Chart Datum (16.95 metres below Ordnance Datum); and
the berth pocket to a depth of 16 metres below Chart Datum (18.85 metres below Ordnance Datum).
The materials must be dredged in the approximate quantities according to the following table—
| Dredged material type | Open quay (cubic metres) | Solid quay (cubic metres) |
|---|---|---|
| Silts | 181,000 | 66,000 |
| Sands and Gravels | 326,000 | 196,000 |
| Clays | 230,000 | 194,000 |
| Mercia Mudstone | 385,000 | 358,000 |
| TOTAL (MAXIMUM) | 1,122,000 | 814,000 |
For F1phases 1a and 2, the dredging of the contaminated silts is to be undertaken using enclosed grabs.
For F2phase 1a the dredging of the sands and gravels is to be undertaken using a Trailing Suction Hopper Dredger (“TSHD”).
For F3phases 1a and 2 the dredging of the clay and Mercia mudstone (marl) must be undertaken using a backhoe dredger, TSHD or Cutter Suction Dredger (“CSD”). For phase 2, dredging of sands and gravel is to be by a backhoe dredger, TSHD or CSD.
The following maximum quantities of dredged material are to be disposed at Tees Bay C (TY 150) offshore dredged material disposal sites—
615,000 cubic metres of clay and mudstone; and
326,000 cubic metres of sand and gravel,
unless otherwise agreed with the MMO.
Annotations
Textual amendments
- F1
Words in Sch. 5 para. 6(3) substituted (26.8.2022) by The York Potash Harbour Facilities (Amendment) Order 2022 (S.I. 2022/919), arts. 1, 2(6)(c)
- F2
Words in Sch. 5 para. 6(4) substituted (26.8.2022) by The York Potash Harbour Facilities (Amendment) Order 2022 (S.I. 2022/919), arts. 1, 2(6)(d)
- F3
Words in Sch. 5 para. 6(5) substituted (26.8.2022) by The York Potash Harbour Facilities (Amendment) Order 2022 (S.I. 2022/919), arts. 1, 2(6)(c)
Commencement
- I1
Sch. 5 para. 6 in force at 10.8.2016, see art. 1