Frigstad T70

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T70 Design Features

PIPE RACK DECK STORAGE

T70 Drilling Tender provides 2,800 m2 Pipe Rack Deck Storage Area, the largest in her class. Plenty of storage spaces for both DES and Tubular.

MUD TREATMENT / STORAGE

Rig is designed with a movable mud treatment plant, for alternative location either on the SPAR /TLP or integrated on the tender in close vincinity of the mud storage pits

SUPERB LOGISTICS

One (1) No of Large Crane with 400 MT capacity for DES Handling.

Two (2) 50 MT Deck Cranes with 45.8m boom covering most of the deck space and good coverage on the wellheads/jackets.

PERSONNEL TRANSFER BRIDGE

Telescopic Bridge with maximum reach of 33.3 m comes with adjustable pedestals for different wellheads/jackets installation. Telescopic Bridge is accessible by Large Crane for easy handling.

LIFE SAVING EQUIPMENT

Four (4) Lifeboats, total capacity for 320 persons. Fourteen (14) Inflatable Rafts, 25 persons each. One (1) fast Rescue Boat.

HELIDECK

Helideck complying with CAP437 with 14.6 MT landing weight, suitable for S61, S92, M18, Super Puma A322.

Images

Outline Specification

REGULATIONS
SOLAS 1974 as amended, MARPOL 1973/78, IMO MODU CODE 2009, all with latest amendments.
CLASSIFICATION
ABS +1A1 COLUMN STABILIZED DRILLING TENDER UNIT, CRANE SERVICE, CIRCLE P, AMCC
ENVIROMENTAL OPERATING LIMITS
Maximum wind velocity 70 knots / 100 knots
Wave height Hs / Hmax 15.8/29.2m (51.8/95.8 ft)
Air gap (Operating/Survival) 7.5 to 11.5 m / 12.0 m
PRINCIPAL PARTICULARS
Length of pontoons 80 m (262 ft)
Width & length, pipe rack deck 70 x 70 m (230 x 230 ft)
Height to pipe rack deck (ABL) 36.3 m (1,191 ft)
Draft (operational) min/max 16 - 20 m (52.5 - 65.5 ft)
Draft (survival) 15.5 m (50.7 ft)
Displacement (operational) 27,463-30,413 t (30,272-33,524 st)
Displacement (survival) 27,094 t (29,866 st)
Displacement (transit) 21,713 t (23,934 st )
Water depth own (max, based on mooring) 305 m(1,000 ft)
Drilling depth (DES dependent) DES dependent
STORAGE CAPACITIES
Bulk mud, upper hull 283 m³ (10,000 ft³)
Bulk cement, upper hull 283 m³ (10,000 ft³)
Sack material, upper hull 9,000 sacks
Base oil for mud, pontoon 730 m³ (4,591 bbls)
Liquid mud / brine, upper hull 985 m³ (6,195 bbls)
Liquid mud / brine, column 490 m³ (3,082 bbls)
Diesel fuel oil (MDD), pontoon 2,262 m³ (23,119 bbls)
Drill water, pontoon 3,262 m³3 (20,517 bbls)
Potable water, pontoon 1,330 m³ (8,365 bbls)
Open pipe rack deck area 2,900 m2 (31,215 ft2)
Variable deck load (max oper.) 4,600 t (5,070 st)
Variable deck load (max transit) 3,500 t (3,858 st)
Payload (max operational) 10,200 t (11,243 st)
ACCOMODATION / OFFICE
Total capacity of 160 persons in 1 or 2 person cabins with individual bathroom. Ample office space and service facilities.
MATERIAL HANDLING
Deck cranes One (1) 400 t deck crane with 52 m boom. Two (2) 65 t deck cranes with 45.8 m boom.
Access to machinery spaces One (1) 6 t cargo elevator & several forklifts to service all major machinery spaces in the deck box and pipe rack deck including: engine rooms, mud pump room, cement unit room, workshops, sack storage, warehouse, galley stores etc.
MARINE SYSTEMS
Main power / emergency power Seven (7) diesel engines, each with 1,833 kW capacity. Total installed power 12,831 kW. One (1) main engine in each engine room available for emergency power.
Power distribution AC power propulsion and VMC system. 690V AC alternators..
Mooring system Four (4) double drum traction winches with 1830 meters of 90 mm wire and eight (8) fairleads for connection to pre-set mooring system.
DRILLING SYSTEMS
Derrick equipment set (DES) & BOP To be supplied by owner or fabricated by yard at owners request as part of turn key delivery.
Drill string, spares, tools etc To be supplied by owner.
DRILLING FLUID SYSTEMS
Mud pumps Four (4) main triplex mud pumps, 1,600 HP, 7,500 psi wp.
Shakers Four (4) shale shakers.
Mud treatment module Rig is equipped with modular mud treatment plant for location either at semi or wellhead platform.
OTHER
Helicopter deck capacity Sikorsky S-92, S-61, Superpuma A332, MI8 or EH101 helicopters. Max 15.6 t.
Life-saving equipment Four (4) lifeboats, each with capacity of 80 persons. Fourteen (14) inflatable life rafts with capacity of 25 persons each. 360 lifejackets.
Twelve (12) life buoys. Three (3) line throwing apparatus. Smoke signal and distress as per rules and regulations. One (1) rescue boat.