Table T1. Leg 210 operations plan and time estimate for the primary site.

Site	Location (lat/long)	Water depth (mbrf)	Operations description	Transit (days)	Drilling (days)	Logging (days)
Bermuda	32.18°N, 64.48°W		Sea voyage from starting port to site, 1210 nmi @ 10.5 kt	4.8
NNB-01A	45.40500°N	4559	Four casing strings (reentry cone, 20, 16, 13-3/8, and 10-3/4 inch)
(4 casings)	44.78500°W	4559	Hole A: Drill-in 80 m 20" casing with reentry cone		1.9
			Drill with 20-in underreamer ~80 to 800 mbsf in sediment and
			Set 16-in casing at 775 mbsf, cement		6.2
			RCB 800-1375 mbsf		7.8
			Log: triple combo/FMS-sonic/WST-VSP			2.0
			Underream with 14-3/4-in tricone bit ~800 to 1375 mbsf
			and set 13-3/8-in casing liner to 1350 mbsf, cement		6.0
			RCB 1375-2080 mbsf		15.2
			Log: triple combo/FMS-sonic/WST-VSP			2.3
			Underream with 12-1/4-in tricone bit ~1350 to 2080 mbsf
			and set 760 m 10-3/4-in liner at 2060 mbsf, cement		7.3
			Basement @ 2080 mbsf
			RCB basement 2080-2180 mbsf		4.1
			Log: triple combo/FMS-sonic/WST-VSP			1.6
St. John's	47.34°N, 52.41°W		Sea voyage from last site to ending port, 336 nmi @ 10.5 kt	1.3
			SUBTOTAL:	6.1	48.5	5.9
			TOTAL OPERATING DAYS (56 days available):	60.5
			NNB-01A ALTERNATE OPERATIONS
NNB-01A	45.40500°N	4559	Hole B: drill to 350 mbsf, RCB 350-800 mbsf		5.8
(4 casings)	44.78500°W		Log: triple combo/FMS-sonic			2.0
			Hole C: APC to ref. ~250 mbsf, XCB to ref. ~500 mbsf		4.8
			Log: triple combo/FMS-sonic			1.4