Section 4: Ship's and Scientific Equipment Description

ACOUSTIC DOPPLER CURRENT PROFILER (ADCP) - Roger Revelle has an RD Instruments VM-150-18 hp 150 kHz broadband ADCP installed which provides vertical profiles of ocean current speed and direction. The system utilizes the doppler effect to measure currents in the water column. Current profiles can be produced in as many as 128 depth cells, each cell being variable from 1 to 32 meters to a maximum depth of 700 meters. When the bottom is within range, an earth-referenced vessel velocity can be obtained which allows for the measurement of absolute currents. Data are processed and current profiles are displayed in real-time on a color monitor. Data processing and recording are done on an IBM-compatible PC using RDI Transect software. The system takes inputs from the ship's gyro compass and the Ashtech ADU-II 3DF GPS receiver.

A-FRAME - The A-frame is located at the stern. It is rated above the breaking strength of 9/16" wire (32,500 lbs) in its braced position, and has a safe working load of 18,000 lbs when in motion (hydraulically driven). It is one of two means (the other is the starboard quarter crane) to lead trawl wire or 0.680" EM wire overboard, and is the only route for fiber optic cable.

AIR, COMPRESSED - (See COMPRESSED AIR in this section.)

AIR CONDITIONING AND HEATING - The ship's air conditioning system is extensive and complex, with zone-by-zone and even room-by-room control. If the ventilation or air conditioning in your room or working space seems not to be operating correctly or not to be controlled properly by the pertinent thermostat, please ask the engineer on watch for help. Do not resort to system-defeating measures like blocking vents, etc.

BOATS - A 23-ft Hurricane semi-rigid inflatable boat (SRIB) is normally carried by Roger Revelle as a work boat. Specific requests should be made to the marine superintendent prior to departure of the ship from San Diego to insure that a boat meeting your requirements is available. At sea the crew controls launching, operation and recovery of boats.

BOATSWAIN LOCKER - The primary boatswain's locker for rigging and deck supplies used by the crew is located at the extreme forward end of the main deck. Auxiliary lockers are located at other places on the weather decks. They also contain rigging/securing items, such as cleats and eyebolts, for use with the 2' deck bolt-down pattern. The resident technician or a crew member will assist you in their use if necessary.

BULWARKS - Bulwarks on the main deck aft are capable of being removed in sections, to permit loading and handling of large and/or heavy objects. Requirements for the removal of bulwark sections should be discussed in advance with the marine superintendent or the captain. Bulwarks are not normally removed or installed at sea.

CABLE RACEWAYS - Raceways and cable pass-throughs run between labs, from labs to bow, from the labs to the fantail and staging bay, and up to the pilot house and mast. The unistrut network throughout the labs affords additional ways to route and secure scientific cables. As a consequence, it should almost never be necessary to route scientific cables in the overheads, and use of the overheads for this purpose is discouraged. If you do not see immediately how to route your cable outside the overheads where you want it to go, consult any STS technician. Do not disturb existing wiring and remember to remove yours at the end of your cruise.

CAPSTANS - There is normally a large capstan on the fantail. (See "Main Deck" in Section III.)

CHEMICALS - Use care in storage, handling, and disposal of toxic chemicals, particularly inside laboratories. All chemicals brought on board should be accompanied by a Material Safety Data Sheet (MSDS) provided by the chemical manufacturer. Plastic bottles are safer at sea and should be used unless specific chemicals must be stored in glass. Disposal of chemicals should in general be directly overboard, not into ship plumbing. The ship's captain must know what chemicals you are carrying. A chemical storage locker is available and is the only safe way to carry most chemicals aboard ship. Please make arrangements with the resident technicians in advance for proper stowage and for appropriate disposal at the end of your cruise.

Provision of alternate space (portable van) for hazardous chemicals, is planned for 1996/7. Working supplies of hazardous chemicals may be kept beneath fume hoods. Stocks/reserve supplies are to be kept in the appropriate storage.

CLEAN POWER - (See ELECTRICAL SYSTEM in this section.)

COMPUTER - Twin Sun Ultra-2 servers running Solaris UNIX are permanently installed in the ship's computer room. A computer engineer from the Shipboard Computer Group operates and maintains the computer equipment and the standard data acquisition equipment. Each Sun Ultra includes two CPUs, 256 Mbytes of memory, approximately 40 Gbytes of disk storage with half of that available to users, a CD-ROM, a 4mm DAT tape drive, a 8mm Exabyte tape drive, 16 dedicated high speed serial ports, two dedicated SCSI ports, and two ethernet ports (one to service the ship's ethernet network and one dedicated to data collection). Printers and plotters available include an HP LaserJet 4MV 8.5"x11"/11"x17" 600 dpi printer, an HP DeskJet 1600CM 8.5"x11"/8.5"x14" 300x300(color)/600x600(BW) dpi printer and an HP DesignJet 755CM E-size 300x300/600x600 dpi color plotter. Sun SPARCstation 5s are provided for users along with IBM-compatible and Apple Mac PCs.

The Sun computers perform a standard set of data acquisition, archiving and processing functions on many of the permanently installed data collection systems. Some of the permanently installed data acquisition systems include (See also separate entries for these items):

  • RD Instruments 150 kHz broadband acoustic doppler current profiler (ADCP)
  • Sippican Mark 12 XBT system
  • SEA BEAM 2112 bathymetric mapping system
  • ODEC Bathy-2000 3.5/12 kHz bathymetric sub-bottom survey system
  • Ashtech ADU-II 3DF GPS system to provide very accurate attitude information
  • Trimble P-Code GPS receiver
  • Datum Tymserve 2000 Network Time Server that provides NTP GPS-derived time, IRG-B and 1 PPS synronization along with other time measurements
  • Nautronix RS916 ultrashort/long baseline acoustic tracking system
  • SIS - (This section still under construction. Contact Woody Sutherland for information.)
  • INS - (This section still under construction. Contact Woody Sutherland for information.)
  • IMET meteorological system that provides wind speed/direction, relative humidity, barometric pressure, long and shortwave radiation, air temperature, sea surface temperature, and precipitation.

Specialized real-time data acquisition can be done by prior arrangement with the Shipboard Computer Group.

COMPRESSED AIR - Ship's service air is 100 psi at 12 cfm. The upper limit cannot be used continuously. It is suitable for running pneumatic tools, but may not be dry or clean enough for laboratory use. Users should plan to supply their own filters if the air is intended for any lab use. There are numerous outlets in the labs.

High-pressure compressed air (2000 psi) for airgun seismic reflection operations is provided by two Price air compressors in the engine room.

If scuba air is needed a small supply is carried in tanks. For larger amounts, make arrangements before the cruise to carry a special portable compressor for diving air.

CRANES - Permission to operate cranes is strictly limited to authorized personnel. These cranes are operated at sea only by permission of the captain.

Two large No. American MCT-1565 cranes are permanently mounted on the ship, one on the port side 02 level and one on the main deck starboard quarter. These cranes have a dynamic range capability of 10 to 65 ft and a dynamic load capability of 21,000 to 1,700 lbs. These dynamic load conditions are good up to sea state 5. In port, at sea state 0, these cranes can lift 42,000 to 3,400 lbs. with a 10 to 65 ft reach. These cranes can only be operated by qualified crew members or the resident technician.

On the foredeck, starboard side, is a Morgan Marine 18,000 portable deck crane. Crane capacity is 14,000 lbs at 6 ft to 3,000 lbs at 46 ft. Crane winch is rated at 4,000 lbs pulling strength. The crane base is designed to interface with the working deck bolt-down system to provide flexibility. The crane serves the forward scientific storeroom via a hatch that opens in the foredeck. The hatch may not be opened at sea. This crane is operated by the resident technician or qualified crew members only.

A second, identical Morgan crane is available, normally carried on the main deck.

Additional small semiportable cranes are also available and can be carried on the main deck. They can be placed in various locations about the deck but cannot be safely relocated once the vessel is at sea. The minimum reach is about 2', maximum reach is 18'. Maximum load at all boom angles is 1,500 lbs. The resident technician must be consulted prior to any use of these cranes.

CUSTOMS - Shipping equipment to and from foreign ports requires the scientist to deal with two sets of customs officers and rules, theirs and ours. Register your items with U.S. Customs (Form 4455) first. Check with the consulate or embassy of the foreign country next. Document and make lists of everything. List the value of each item. Etch or mark serial numbers on each item. Further information and help about customs matters relating to scientific equipment may be obtained from STS. (D. Long)

Commercial container shipments are made to and from R/V Roger Revelle as needed during the course of an expedition. (See "Shipping," this section.)

DECK LOADING - In addition to the main deck, equipment may be loaded on the 02 level forward, the 01 level aft on the port side, and (limited) on the foredeck. The approximate loading limit is 0.5 ton/sq ft.

Ship stability is ultimately the responsibility of the captain. The responsibility of scientists is to consult the Marine Facility or the resident technician early to describe loading plans and requirements so that any necessary adjustments can be made. The more complex and heavy your equipment the more advance notice is needed. Our goal is to resolve loading problems and incompatibilities well before sailing day, so that it will not be necessary to leave scientific gear on the dock in order to assure a safe ship.

DECK TIE-DOWNS - No welding is permitted directly to any deck. All installations must use the 2 ft x 2 ft grid of tie-downs (welding may be done to 'ears' or plates, which in turn are bolted to the deck). Bolt holes are 1" NC thread on weather decks, 1/2" NC thread in labs and storerooms. Bolt holes in equipment should be made oversize, to allow for deck grid irregularities.

DEPTH RECORDING - (See ECHOSOUNDING in this section.)

DISTILLED WATER - (See FRESH WATER in this section.)

DOPPLER LOG - An ODEC doppler speed log is installed in the chart room for ship speed measurements; its output is available on a repeater in the lab. (Also see ACOUSTIC DOPPLER CURRENT PROFILER in this section.)

DRAINS - (See also CHEMICALS in this section.) Main lab sinks drain directly overboard, or into the sewage holding tanks. Ship's engineers control the drain routing and should be consulted in advanceabout any dangerous or corrosive chemicals you plan to put into any drains.

The under-sink areas in the lab should (1) be carefully inspected before using the sinks to insure that connections are in fact connected and open, (2) be kept clear of stored items capable of damaging PVC pipes or blocking drains, and (3) be kept clear of lab trash and debris.

ECHOSOUNDING - A Raytheon RD-500 shallow water echosounder with both digital and paper graphic displays is located in the forward portion of the Electronics Lab. An ODEC Bathy-2000 system is located in an instrument rack aft in the Electronics/Computer Lab. This system is computer controlled and is interfaced to the hull mounted transducers. There is an array of 12 TR-109 transducers which operate at 3.5 kHz, and two 12 kHz transducers which are operated individually. The data is digitized and may be stored in SEG-Y format. Data is graphically displayed on a computer monitor and optionally on paper.

ELECTRICAL SYSTEM - The permanently installed lab power systems include 120, 208, and 240 volt receptacles. 120 volt vital systems utilize the 15 kVA uninterruptable power source. The ups provides 15 minutes of power at its rated load should a power failure occur. The ship has the following power plant elements:

  • 3 ship service diesel generators (SSDG), 600vac @ 1,500 kW dedicated for propulsion
  • 3 SSDG, 600vac @ 700 kW for propulsion or ship service power
  • 2 1,500 kVA transformers 600vac to 480vac
  • 2 150 kW m.g. sets for clean power, providing 90 kVA of 120vac power to the various labs on the main deck
  • 10 kVA @ 240vac single phase clean power in labs
  • 9 kVA@ 220vac single phase clean power in labs
  • 3 100 amp 480vac deck receptacles, two at the aft end of the staging bay, one at the bow, 01 deck
  • 1 30 amp 480vac deck receptacle in the staging bay
  • 2 30 amp 480vac deck receptacles on weather deck aft end of staging bay
  • 4 30 amp 208vac deck receptacles and 4-30 amp 120vac 3-phase clean power deck receptacles, two of each kind aft of the hydro lab for main deck vans, and aft on the 02 deck for 01-level vans

ELECTRO-OPTICAL TOW CABLES - See the cable specifications.

EMAIL - The computers provide an email link via high-speed modem over the ComSat satellites. The email system used is a store-and-forward facility with one or two connections typically being initiated per day. When the chief scientist arrives at the ship, he or she will complete a form which asks for his email account name. The Computer Shipboard Group will then set up the email account. The usage of email above a modest amount of "free" service must be paid for by the user, and covers both incoming and outgoing messages for each user. Cash or credit cards will not be accepted aboard ship for this service. The chief scientist is ultimately responsible for charges incurred but not paid for by individuals in the scientific party.

The computer engineer will send Roger Revelle's weekly science report for the chief scientist at no cost. The Ship Scheduling Office requests that the weekly report be in their hands by noon on Tuesday. Users aboard ship are normally able to send messages using the same addressing as ashore. Their addresses while on the ship will be:

revelle!username@sdsioa.ucsd.edu

If you have problems sending email, contact the Shipboard Computer Group for assistance.

EXPLOSIVES - The storage and handling of explosives aboard ship are strictly regulated by the U.S. Coast Guard and by other agencies. All plans for explosives use must be cleared well in advance. Notify the Ship Scheduling Office of any intended use of explosives.

There is no built-in explosives magazine on the ship. Portable van magazines can be provided - consult the resident technicians.

Most of the resident marine technicians are qualified explosives handlers. If, however, there is to be extensive explosives use, a qualified person in addition to the regularly assigned resident technician must be on the ship. For information on shooter schedules and storage of explosives and to obtain USCG permits, contact the resident technician.

FLOOD LIGHTS - Working lights on deck are controlled by the bridge. Consider the night vision of the crew and use only the lights you need, turning them off when finished.

Hand lamps, flashlights, etc. can be obtained through the resident technician. Supply is limited; large scientific parties should provide their own units.

FREEZER - (See REFRIGERATION AND FREEZING in this section.)

FRESH WATER - Fresh water generation capacity is about 4,000 gals/day. Fresh water is generated by a reverse osmosis (RO) system; it has a substantial mineral content. The ship also has a 3,000 gallon per day evaporation distiller which puts out very pure water that can be used to fill carboys. Potable water tank capacity is about 12,000 gals. A nanopure ion exchange filter is installed in the analytical lab to provide pure water for lab use.

Fresh water should not be used for wash down purposes, except if necessary and then by consultation with the resident technicians. In personal use, conserve. Take short showers; do only full laundry loads. (See Section VIII.)

GASES - (See STORAGE in this section.) These are the responsibility of the individual requiring gases for shipboard use. Any gas under pressure is dangerous; consult the captain or the resident technician for safe stowage methods and locations.

GASOLINE - Inspected vessels are severely limited by law in the amount of gasoline they can carry, unless they have approved built-in tanks, which R/V Roger Revelle does not. Small amounts of gasoline for outboard motor use at sea are carried in USCG-approved containers. If larger amounts of gasoline are needed, a special "portable" tank can be placed aboard--but it must be requested in advance from the resident technician.

GENERATORS - (See ELECTRICAL SYSTEM in this section.)

GEOLOGICAL SAMPLING EQUIPMENT - Gravity coring equipment, a piston coring suite of equipment, a box corer, a multicorer, a glass corer, and rock dredges are maintained by the Resident Marine Technician Group. A researcher planning use of any of the above equipment during an expedition should make this need known during the pre-cruise conference or before. The size and weight of geologic sampling gear make it expensive or impossible to ship commercially.

Liners of clear butyrate tubing are used with both gravity and piston corers. This liner deteriorates during long storage. Each researcher should determine his needs. The Resident Marine Technician Group can buy a liner, on a recharge basis, gauge it for size and load it on board before an expedition.

Detailed plans for projected use should be submitted with the longest possible lead time to allow for assured supply of critical items, such as pipe liner for core barrels, and dredging supplies. (See "Sampling Equipment maintained by Resident Marine Technicians" in Section V.)

GEOPHYSICAL SAMPLING GEAR - (See ECHOSOUNDINGMAGNETOMETER, and SEA BEAM in this section; plus "Shipboard Geophysical Group" in Section V.)

GYRO - The ship's gyro has a repeater in the electronics/computer lab. Gyro data is available in the lab..

HATCHES - Hatches and watertight doors are heavy and dangerous if not secured correctly. Careful use of all doors and hatches, especially at sea, is very important. Carelessness could easily lead to severe injury. All doors and hatches should be positively latched either open or closed at all times, never left to swing free.

HOLD - (See description of forward and lower scientific storerooms under LABORATORY SPACES in this section.)

HOODS - There are four fume hoods, one each in the analytical lab, the hydro lab, the main lab and the wet lab.

HYDRAULIC SYSTEM - (See also A-FRAME, CRANES, and HYDROBOOM in this section.) The A-frame and hydroboom are hydraulically operated, as are all cranes. Operating controls for the frame are located on the starboard side of the frame. The hydroboom control is by the starboard door of the staging bay.

Questions regarding user applications of excess hydraulic capacity should be directed to Nimitz Marine Facility (the marine superintendent, the port engineer, or the chief engineer of Roger Revelle) well in advance.

HYDROBOOM - The hydroboom located on the 02 level starboard side at frame 90 is a McElroy model 15000. The hydroboom is used for launching and recovering oceanographic equipment and fairleading wire from the hydrographic winches. It is designed for a safe working load of 15,000 lbs perpendicular to the ship's deck. The total length of the hydroboom fully extended is 43 ft. The extension boom is 18 ft long and reaches over the starboard side by 10 ft when fully extended. The distance from the bottom of the sheave, on the end of the boom, to the deck is 20 ft. The hydraulic control for the boom is located on the outboard side of the staging bay, directly below the boom. This boom is operated by the science party in conjunction with the winch operator.

HYDROWINCH - (See WINCHES in this section.)

IMET - (See COMPUTER in this section)

INS - (This section still under construction. Contact Woody Sutherland for information.)

INSTRUMENT WELL - (This section still under construction. Contact Woody Sutherland for information.)

ISOTOPES - (See RADIOACTIVE MATERIAL in this section.)

INTERCOM - (See INTERNAL COMMUNICATIONS, Section VI.)

LABORATORY SPACES - Please refer to the deck plans for dimensions and layout of the laboratories and other science spaces. Virtually all scientific spaces are on the main deck. The approximate sizes of the labs and other science spaces are as follows. These are the areas that are clear and unencumbered by such uses as passageways through the space, ship equipment, etc. They therefore may not correspond to areas of the spaces shown on general arrangement drawings.

All labs and storerooms are fitted with the standard 2' x 2' 1/2" NC bolt-down pattern on deck, accepting bolts which are 1/2" deep. Unistrut mounting channels are on the bulkheads and overheads. An inventory of Unistrut hardware and fasteners is maintained on board by the resident technician.

In sequence from bow to stern and main deck to 1st platform, these spaces are:

  • Forward science storeroom 358 sq. ft. 
    This storeroom is at the forward end of the main deck passageway. It is served by a hatch that opens on the 01 deck forward. A network of deck tiedowns and Unistrut fixtures permits flexible securing arrangements. Standard pallet-sized loads can be craned into this storeroom through the hatch. All labs served via pallet jack down passageway.
  • Science Office 65 sq. ft. 
    For general office functions as needed by the science party.
  • Darkroom 76 sq. ft. 
    This space contains no installed photographic facilities, but does have a sink and cabinetry. Photographic supplies and equipment are the responsibility of the scientific party.
  • Main Lab 1,745 sq. ft. 
    This is largely flexible general lab space, with extensive utility connections and Unistrut capability, configurable to suit the onboard project(s). It has a fume hood and refrigerator.
  • Analytical/Biochemical Lab 330 sq. ft. 
    This lab has its own air conditioning and ventilation system, for fine control of ambient conditions needed by some analytical work. There is a fume hood and a refrigerator.
  • Science freezer 63 sq. ft. 
    A walk-in freezer for science samples. It can hold a temperature of minus 18 C
  • Climate control chamber 63 sq. ft. 
    A walk-in chamber; the temperature may be controlled from 4 to 40 C, with sensitivity of 0.1 C and uniformity within the chamber of 0.5 C.
  • Electronics/Computer Lab 610 sq. ft. 
    This is the location of most of the deck electronics and display hardware for quasi-permanent scientific electronics - SEA BEAM, 3.5/12 kHz system, ADCP, etc. The primary work site for the shipboard computer group is here, as are the hubs of the data and video networks and science information system. The lab has a secondary control station for lab control of winches and ship maneuvering.
  • Hydro Lab 693 sq. ft. 
    Has access aft to two vans, plus general lab outfitting. Van access can be fully enclosed if van door arrangements are suitable.
  • Wet Lab 230 sq. ft. 
    With direct access to the staging bay aft, this lab is the site for wet work, wet sample preservation, etc. The lab has a fume hood.
  • Staging bay 330 sq. ft. 
    A sheltered workspace. Clearance from overhead to deck is 18 ft. It has a telephone and outlets for compressed air and electricity. Roll down doors, starboard and aft, offer limited protection against weather. Padeye lifting points in the overhead exist. Overhead hoists are installed; 5,000 lb capacity each.
  • Aft science storeroom 635 sq. ft. 
    This is the other major science storeroom, forward of the winch room on the 1st platform. Some of this space (port side) is used for ship's engineering spares storage. A pallet-sized hatch to the storeroom opens to the main deck just outboard of the starboard rollup door of the staging bay.

MAGAZINE - (See EXPLOSIVES in this section.)

MAGNETOMETER - R/V Roger Revelle is equipped with a Geometrics G-886 Marine Proton Magnetometer. The system consists of the towfish, tow cable, winch, deck lead, deck box, power/data lead-in, and power supply. The main electronics of the system is in the deck box, which is located in the entry area from the fantail to the central passageway, high up on the bulkhead. The data stream leaving the deck box is digital (RS-232), and therefore much less susceptible to noise than older systems. Data is logged to the ship's on-line computer, along with most other data streams such as SEA BEAM, IMET, GPS, etc. The data is displayed in real-time on the watchstander's console. The tuning of the magnetometer, as well as the logging of the data, is done automatically when the system is turned on.

MASTS - Roger Revelle has a mainmast, and a jackstaff. The main mast, above the pilot house, carries radar antennas, navigation lights, various antennas, the ship's anemometers, and flag halyards.

A suite of scientific meteorological sensors (IMET or equivalent - see IMET in this section) is on the bow of the ship, on a science mast.

MULTI BEAM

  • Kongsberg EM122 12 kHz, 191-beam, 150 degree swath mapping system
  • Beams map 6-7 times the water depth (25 km swaths in deep water)
  • Turo Devil Expendable Bathythermograph System (XBT) (one per day or as needed)
  • Computing hardware: twin quad-processor Sun 450 servers, large disk farm, 8mm Exabyte tape drives, Sun SPARC-5 and Ultra-10 workstations, PCs and Macs. Output devices include HP-755 and HP-1600 InkJET plotters, an HP 4MV LaserJet (16ppm, 600dpi) printer with output on 8-1/2'x11" or 11"x14" media along with various pen plotters.
  • Software: Kongsberg SIS acquisition system, University of Hawai`i MOSAIC real-time  display, and a variety of post-processing software packages including MBSystem, GMT, and CARIS.

PROPULSION - Roger Revelle is equipped with twin "Z" drive propellers aft, trainable 360 degrees. Propeller speed is variable from 0 rpm to full. A White-Gill azimuthing water-pump bow thruster is used for precision maneuvering, dynamic positioning, station-keeping, etc. Thrusters can be controlled independently or integrated through a Robertson Shipmate dynamic positioning/maneuvering system. Dynamic positioning is driven by inputs from P-code GPS or a seafloor acoustic transponder net (Nautronix 916). Roger Revelle is capable of accurate station holding, positioning and track line following in most wind and sea conditions. For fuller details of handling and maneuvering characteristics consult the captain.

RADIOACTIVE MATERIAL - The use of radioisotopes, or other isotopes in concentrations not found in nature, is strictly controlled aboard Roger Revelle. Permission to use radioisotopes must be obtained from the SIO Ship Scheduling Office in writing, following written application (which is reviewed by the Radioisotope Committee) describing aims of the work and the isotopes, quantities, and procedures to be employed. Such usage must be consistent with strict precautions for safety and to prevent contamination of the ship. All handling of isotopes must be done within a designated portable isolation van. Vans are available upon request to the resident technicians. Cleanup costs of any isotope spills will be charged to the persons responsible.

REFRIGERATION AND FREEZING - (See also "Science Freezer" and "Climate Control Chamber" underLABORATORY SPACES in this section.) There are three lab refrigerators on the ship. The ship's cold food storage is NOT available for scientific use. Portable chest-type freezers are available upon request.

SCIENCE INFORMATION SYSTEM (SIS) - The various labs and other parts of the ship are connected by a scientific closed circuit 9-channel TV system and by fiber optic cables. Both systems originate in the computer lab. All labs have 10Base-T (UTP, twisted pair) and thin wire (RG-58 co-ax) connections which are connected to the ship's ethernet network via fiber optics.

SCUBA DIVING - All diving from SIO vessels is controlled by the diving officer. Each diver must have a valid University of California Certified Diver Card or have been approved by the diving officer prior to every diving operation. Please obtain a Diving Form from the SIO Ship Scheduling Office. Your dive plan, submitted on this form, must be received and reviewed for approval well in advance of the voyage.

There is no decompression chamber on R/V Roger Revelle. Arrangements can be made with STS to have a portable scuba air compressor, tanks and weights put on board.

R/V Roger Revelle carries a buddy pair set of scuba gear for emergency work or hull inspection. Researchers should bring their own gear. Not all resident technicians at SIO are divers, but those that are certified are usually eager to dive.

SEAWATER - There are multiple bibs for seawater wash down on the weather decks. Checking with the deck watch officer is appropriate before hooking up and using any hoses. Sea water for incubation purposes is available. For quantity, flow rate, etc., check with the engineer.

SEISMIC REFLECTION - (See Section V.)

SHEAVES & BLOCKS - Use of various winches and wires implies use of certain combinations of sheaves and blocks. In addition, your scientific operation may have particular requirements for fair-leading wires to certain locations. Be sure to check with the resident technician well in advance to explain all your wire rigging ideas and needs. Technicians will know how to best accomplish your task. Never use a sheave that is too small in diameter for the wire.

SHIPPING - Limited stowage on board R/V Roger Revelle often necessitates shipping equipment and samples. Commercial containers are arranged by the Resident Technician Group. Shipments can be made to the ship's agent in ports other than San Diego; contact Marine Facilities for the agent's addresses. Agents charge for every service they provide. Please try to consolidate dealings with the agent through either the captain or the resident technician. Agents should be advised by telegram of waybill numbers so they can arrange for transportation, storage and customs. (See also "Customs" in this section.)

STORAGE - (See entries under LABORATORY SPACES in this section for forward and lower scientific storerooms, GASES for storage of gas cylinders, and CHEMICALS for storage and use of lab chemicals and hazardous materials.)

SUPPLIES AND EQUIPMENT - On board R/V Roger Revelle the resident technician maintains a tool box from which the scientific party can borrow tools. Return of all tools is a must. In addition, the resident technicians maintain a stock of office supplies from which scientific parties can draw. Both the tool collection and the office supply stock are modest and limited to commonly used items.

It is not possible to stock everything anyone might conceivably wish to have at sea. Researchers anticipating the use of, for example, an extensive inventory of chemical lab equipment, should consult with the resident technician and plan to supply most of their own needs. Stocking of the ship prior to the beginning of an expedition is done with the expectation of more or less steady use of the items stocked and, it is hoped, in sufficient quantity to forestall the need to re-equip in overseas ports - an unsatisfactory experience in almost every instance.

A list of inventoried supplies is available from the resident technician upon request. Local purchase of extra quantities of particular items can be arranged through him and should be done as far in advance of departure as possible. Supplies purchased will be recharged to the account of the requestor.

The ship does not carry a standard suite of analytical or special use equipment. The planned use of equipment such as water sampling bottles, reversing thermometers, box corers, bottom trawls, centrifuges or ovens should be indicated on the Ship Time Request Form, and should be checked in consultation with the resident technician well in advance. (See also Section V.)

UNCONTAMINATED SEAWATER - Uncontaminated seawater is provided via a pump in the bow thruster room at 50 gal/minute. Distribution to various labs via plastic piping. Please check with duty engineer for hookups of supply and drainage.

VANS - Roger Revelle can carry multiple laboratory, refrigeration, and storage vans. Two vans can be sited aft of the hydro lab and can have enclosed access to that lab if the van door arrangements are suitable. Two more van sites are on the 01 level, port side. The 02 deck forward of the house has space for 4 full vans. (Decks have special cam-loc fittings in these locations.) Other deck space ia available for vans as necessary.

Plans to use any vans should be indicated on the Ship Time Request Form and details should be discussed with the resident technician well in advance of departure.

WINCHES - The Markey DUTW-9-11 traction winch is located in the winch room on the 1st platform level. Two stowage drums can carry up to 15,000 m of 9/16" wire on one drum and either 10,000 m of 0.680" electromechanical wire or 10,000 m of fiber optic cable. The unit is driven by a 150 hp electro-hydraulic power pack. Wire is led over the side through the A-frame aft or through the trawl crane on the starboard side aft. Fiber optic cable can also be used, led to the stern A-frame. Trawl crane may require use of boom crutch. Check with resident technicians.

The primary Hydo winch is a Markey DESH 5 (75 hp AC-SCR/DC drive). It is located on the 02 level aft of the house, and holds up to 10,000 meters of 0.322" conducting wire or 0.250" mechanical wire. Wires can be led over the side using either the hydroboom or the Allied load-handling boom.  This winch can be configured for either CTD or hydroboom operations.

The primary CTD winch is a Markey CAST 6 (75 hp AC-SCR/DC drive) integrated with an Allied articulating load-handling system.  The winch holds up to 10,000 meters of 0.322" conducting wire, which can be led overboard using either the Allied load handling boom or the hydroboom.  The winch includes rend-and-recover and heave compensation modes.

A towed magnetometer with winch is normally carried on the fantail.

WIND & SPEED DIRECTION INDICATORS - (See MASTS in this section.)

WIRE - A log is maintained by the chief engineer documenting the actual wire on each winch at any given time. The working end of every wire is occasionally cut off and the termination replaced, and this can sometimes amount to 100 meters or more, if damage has been sustained by the wire.

It is important that expected water depths of planned operations be made known to the resident technicians and the marine superintendent as far in advance of these operations as possible, to ensure that adequate wire is available. Lead times on the purchase of new wires can amount to a year.

XBT - A Sippican Mark 12 digital XBT system is permanently installed. It is available for general use, but stocks of XBT probes must be user-supplied. It is commonly used by SEA BEAM operations to obtain sound speed information for data reduction and calibration.