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U.S. Navy diving and manned hyperbaric systems include WHAT?

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When a body is accelerated in a fluid, it behaves as though its mass is greater than it actually is due to the effect of the surrounding fluid. WHAT IS THIS?

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SPEC/DESIGN HYP.CH1

TS500-AU-SPN-010 (R-1) USN GEN. SPEC4DESIGN,CONSTRUCT. OF DIVG/HYP. EQUIP.CH1

Question	Answer
U.S. Navy diving and manned hyperbaric systems include WHAT?	all surface-supplied diving systems, saturation diving systems, manned recompression chamber systems, diving bells, and handling systems used for maneuvering diving systems or personnel during manned operations.
When a body is accelerated in a fluid, it behaves as though its mass is greater than it actually is due to the effect of the surrounding fluid. WHAT IS THIS?	Added Mass Effect--mass of water particles surrounding an object immersed in water that is accelerated with the object as the object is accelerated through the water.
currently approved documentation describing a configuration item’s functional, interoperability, and interface requirements and the verification required to demonstrate the achievement of those specified characteristics.	allocated baseline-- is controlled by the Designer and is established after the preliminary design review.
What is ancillary equipment?	Any equipment providing services to a hyperbaric chamber or diving system--compressors, booster/transfer pumps, hot water heater, water conditioning, atmosphere heating and cooling, electrical power supply, hydraulic power supply, breathing gas supplies.
Appurtenance	An accessory structure directly affecting the integrity of the pressure vessel. Major categories of appurtenances include viewports, doors, hatches, closures, penetrations, and piping.
Collapse Pressure.	lowest pressure at which any one of a series of nominally identical hull structures would collapse. PART
Configuration Item (CI).	an aggregation of hardware and/or software that satisfies an end use function and is designated by the Government for separate configuration management
Critical Design Review (CDR).	determines if the system design documentation (product baseline including detail, material, and process specifications) is satisfactory to start initial manufacturing (i.e., the design meets all technical and safety requirements).
Designer.	An individual, partnership, company, corporation, association, or other service having a contract with the government for the design of the diving system-- responsible/liable for safe design that meets or exceeds contract specifications
Design Load	maximum force due to the rated load plus some or all of the following: (1) added mass effects, (2) entrained water, (3) any external payloads, (4) drag or wind loads, and (5) dynamic loads which are derived with the aid of the dynamic load factor.
Dynamic Load.	load imposed on a system due to accelerations of gravity and ship (or other transportation) motion. It is dependent upon the magnitude and frequency of ship motions, ship attitude, and the location of the handling system on the ship
Dynamic Load Factor	A calculated number given in acceleration units, g; where 1g is the acceleration of gravity. The force exerted by the system on its supports is determined by multiplying the dynamic load factor by the weight of the system.
Fail-safe.	Components within the handling system that are designed to prevent uncontrolled dropping, shifting, or sudden movement of the diving system during a hydraulic or electrical system failure or component/equipment malfunction.
Functional Baseline (FBL).	initially approved documentation describing a system's functional, interoperability, and interface requirements and the verification required to demonstrate the achievement of those specified characteristics-- controlled by the Govt. Procurement Rep.
Functional Configuration Audit (FCA).	The formal examination of functional characteristics of a diving system, prior to acceptance, to verify that the item has achieved the requirements specified in its User Design Specifications.
Government Procurement Representative.	individual responsible for the procurement and certification of a new construction diving system to meet the user’s operational needs. The Government Procurement Representative shall be accountable for cost, schedule, and performance
Handling System	The mechanical, electrical, structural equipment and rigging used on board a support platform to launch and recover divers or a manned diving system.
Human Systems Integration (HSI).	process to ensure that the system is built to accommodate the characteristics of the user population that will operate, maintain, and support the system.
HSI includes:	design and assessment of requirements; concepts and resources for system manpower, personnel, training, safety and occupational health, habitability, personnel survivability; and human factors engineering.
Load Bearing	Those components of the handling system that support the loads resulting from launching and recovering of a manned diving system.
Load Controlling.	Those components of the handling system that position, restrain, or control the movement of a manned diving system. Towing is excluded from the SOC.
Maintainability.	ease and economy of time and resources with which an item can be kept in, or restored to, a fully operational and safe condition when maintenance is performed --.a function of design
Maximum Operating Pressure	lowest pressure that can exist in a system or subsystem under normal operating conditions. This pressure is usually determined by such influences as the minimum allowable oil supply pressure to a bearing
Nominal Operating Pressure	approximate pressure at which an essentially constant pressure system operates when performing its normal function. This pressure is used for the system basic pressure identification.
Nonmetallic.	Any material, other than a metal, or any composite in which the metal is not the most easily ignited component and for which the individual constituents cannot be evaluated independently.
Open System Approach	A systems engineering process, described in DOD Instruction 5000.1, The Defense Acquisition System, that includes the use of well-defined, widely-used, non-proprietary processes and DOD adopted standards
DOD adopted standards are usually set by recognized standard organizations such as:	International Standards Organization (ISO), American Society of Mechanical Engineers (ASME), Society of Automotive Engineers (SAE) and National Fire Protection Association (NFPA).
Operational Suitability	The degree to which a system can be placed and sustained satisfactorily in field use
considerations for operational suitability are: documentation and training requirements, >>>>?	availability, compatibility, transportability, interoperability, reliability, wartime rates, maintainability, safety, human factors, habitability, manpower, logistics, supportability, logistics supportability, natural environment effects and impacts,
Performance Specification.	A statement of requirement in terms of required results with criteria for verifying compliance, without stating methods for achieving the required results
What defines the functional requirements for the item, the environment in which it must operate, and the interface and interoperability requirements?	Performance Specification
Preliminary Design Review (PDR).	This review evaluates the progress, technical adequacy, and risk resolution (on a technical, cost, and schedule basis) of the selected design approach; the functions, performance, and interface requirements
What assures the design will meet overall system performance requirements; and the degree of definition and assess the technical risk associated with the selected manufacturing methods/processes of each configuration item (CI) or aggregate of CIs?	Preliminary Design Review (PDR).
Product Baseline (PBL).	approved documentation describing all of the necessary functional and physical characteristics of the configuration item and the selected functional and physical characteristics designated for production acceptance testing and tests necessary for support
What is controlled by the Government Procurement Representative and is established after the critical design review?	Product Baseline (PBL).
Rated Load.	maximum weight that shall be lifted by the assembled handling system at its rated speed and under parameters specified in the equipment specifications (e.g., hydraulic pressures, electrical current, electrical voltages).
What is standing rigging?	rope that is stationary and provides mechanical support to the handling system.
Running rigging?	consists of the rope (wire rope or synthetic line) and end fittings intended to handle the diving system that passes over sheaves or through rollers. Standing rigging is
Scope of Certification (SOC).	encompasses life-critical elements of all systems, subsystems, components and the associated maintenance and operational procedures required to ensure the continuous physical well being of the diving system operators, divers, and other occupants
What includes emergency systems and procedures required to return them safely from the maximum operating depth to the surface following a non-catastrophic accident or casualty that prevents continued normal operation of the system?	Scope of Certification (SOC).
DEscribe . Static Test Load. it is a weight equal to what percent of the rated load of the handling system?	weight equal to 200 percent of the rated load of the handling system. It is used to physically verify the structural integrity of the handling system, and the adequacy of its brakes and fail-safe components.
Support Platform	Any platform used to transport, launch, and retrieve a diving system. Ships, boats, vessels, barges, and submarines are included in this definition. An example of a submarine support platform is one modified to carry a Dry Deck Shelter
Survivability	Ability of a system, sub-system, component, or equipment to withstand the effects of adverse environmental conditions that could otherwise render the system unusable or unable to carry-out its designed function.
What enables a rapid restoration of the system, sub-system, component, or equipment and to increase the sustainability of the war-fighting or peacetime operations.	Survivability
System Certification Authority (SCA).	organization within the NAVSEA that is delegated, through the Navy chain of command –specifically OPNAVINST 3150.27, Navy Diving Program, the responsibility to conduct certification of diving systems under its cognizance.
System Design Pressure	pressure used in calculating minimum wall thickness of pressure vessels, piping and piping components. The system design pressure shall not be less than the maximum system pressure.
System Design Review (SDR)	evaluates the contractor’s optimization, traceability, correlation, completeness, and the risk of the allocated requirements including the corresponding test requirements in fulfilling the system/subsystem requirements (the functional baseline).
System Requirements Review (SRR).	evaluates the contractor’s understanding of the contract requirements documents (specification, SOW, contract schedule, etc.) and the adequacy of the contractor's efforts in defining system technical requirements.
What is used to determine initial direction and progress of the contractor's system engineering management effort?	System Requirements Review (SRR).
Total Ownership Cost (TOC).	cost to the government of acquisition and ownership of that system over its useful life. It includes the cost of research, development, acquisition, operations, and support (to include manpower and training), and where applicable, disposal.
Life Cycle Cost is also referred to as________?	Total Ownership Cost (TOC).
ABS	American Bureau of Shipping
ACGIH	American Conference of Governmental Industrial Hygienists
ADS	Atmosphere Dive System
ANU	Authorized for Navy Use
ASME	American Society of Mechanical Engineers
ATA	Atmospheres, Absolute
ATM	Atmospheres
BIBS	Built In Breathing System
BTPS	Body Temperature; Ambient Barometric Pressure; Saturated with Water Vapor
CDRL	Contract Data Requirements List
CFR	Code of Federal Regulations
CITIS	Contractor Integrated Technical Information Services
CGA	Compressed Gas Association
CO2	Carbon Dioxide
COC	Certificate of Compliance
COTS	Commercial-Off-The-Shelf
DC	Direct Current
DDS1	Deep Diving System
DDS2	Dry Deck Shelter
DFARS	DOD Federal Acquisition Regulations Supplement
DFS	Departure From Specification
DLSS	Divers’ Life Support System
DOD	Department of Defense
DOT	Department of Transportation
DP	Design Pressure
DSRV	Deep Submergence Rescue Vehicle
EHP	Electrical Hull Penetrator
FADS	Fly Away Dive System
FMECA	Failure Mode, Effects and Criticality Analysis
FID	Flame Ionization Detector
FMGS	Flyaway Mixed Gas System
F O2	Percent by Volume of Oxygen
GSO	General Specifications for Overhaul of Surface Ships
HAZCAT	Hazard Category Level
HAZID	Hazard Identification
HP	High Pressure
HPU	Hydraulic Power Unit
IR	Insulation Resistance
L	Liter
LP	Low Pressure
LSS	Life Support System
LWDS	Light Weight Dive System
MCM	Mission Configuration Matrix
MES	Milestone Event Schedule
MP	Medium Pressure
MT	Magnetic Particle Inspection
NASA	National Aeronautics and Space Administration
NAVFAC	Naval Facilities Engineering Command
NAVSEA	Naval Sea Systems Command
NDE	Nondestructive Examination
NFESC	Naval Facilities Engineering Center, East Coast Detachment
Ni-Al-Brz	Nickel-Aluminum-Bronze
Ni-Cu	Nickel-Copper
Ni-Cu-Al	Nickel-Copper-Aluminum
NIOSH	National Institute for Occupational Safety and Health
NITROX	Nitrogen-Oxygen
NOX	Nitrogen Oxides
NSMRL	Naval Submarine Medical Research Laboratory
O & M	Operating and Maintenance
OAS	Obstacle Avoidance System
OPNAV	Office of the Chief of Naval Operations
OP/EP	Office of the Chief of Naval Operations
OQE	Objective Quality Evidence
OSHA	Occupational Safety and Health Administration
PID	Photoionization Detector
PM	Program Manager
PMS	Preventive Maintenance System
PP CO	Partial Pressure of Carbon Monoxide
PP CO2	Partial Pressure of Carbon Dioxide
PTIMP	Maximum Allowable Internal Working Pressure
PTexp	Maximum Allowable External Working Pressure
ppb	Parts per Billion
PPE	Personal Protective Equipment
ppm	Parts per Million
psia	Pounds per Square Inch, Absolute
psig	Pounds per Square Inch, Gauge
PSOB	Pre-Survey Outline Booklet
PT	Dye Penetrant Inspection
PTC	Personnel Transfer Capsule
PVHO	Pressure Vessels for Human Occupancy
QA	Quality Assurance
REC	Re-entry Control
RM	Reliability, Maintainability and Availability
RMS	Root Mean Square
RQ	Respiratory Quotient
SCA	System Certification Authority
scfh	Standard Cubic Feet per Hour
SCUBA	Self-contained Underwater Breathing Apparatus
SDI	Ship's Drawing Index
SECNAV	Secretary of the Navy
SEV	Surface Equivalent Value
SHIPALT	Ship Alteration
slpm	Standard Liters per Minute
Sm	Allowable Operating Stress
SNDLRCS	Standard Navy Double Lock Recompression Chamber System
SOC	Scope of Certification
SOLAS	Safety of Life at Sea
SSDS	Surface Supplied Diving System
STPD	Standard Temperature and Pressure, Dry
TA	Technical Authority
TLV	Threshold Limit Value
TR	Time Required
TRCS	Transportable Recompression Chamber Systems
UBA	Underwater Breathing Apparatus
UIPI	Uniform Industrial Process Instruction
UL	Underwriters Laboratories
UQC	Underwater Telephone
designer must ensure that the technical requirements are__________so that lower level item performance specifications and technical requirements can be developed.	understandable, unambiguous, comprehensive, complete, and concise
quantity refers to?	(how many),
quality refers to ?	(how good),
coverage refers to ?	(how far),
time lines refer to?	(when and how long),
availability refers to ?	(how often)
Design constraints define those factors that limit design flexibility, examples include:	environmental conditions or limits; and contract, customer or regulatory standards
requirements analysis identifies the following system functional and performance requirements and characteristics:	1. Operational requirements: 2. System functions 3. System performance 4. System design verification requirements 5. System configuration 6. Physiological considerations of occupants/divers/operators 7. Physical Limitations 8 Mandatory military stds
Identification of anticipated hazards is an example of what type of requiremt?	Operational requirement
System functions include:	Measures of effectiveness
System performance includes:	(1) Anticipated design life and service period (useful life, number of cycles, etc.) (2) Survivability requirements (see 1.3) (3) Requirements for reliability, maintainability, and availability
System design verification requirements includes?	Measures of performance
System configuration considerations include:	(1) Interface descriptions (2) Characteristics of info displays and operator ctrls 3)Relationships of operators to system/physical equipmt 4. Operator skills/levels required to operate system (Manning requiremts 5. Comms requiremts. 6. Emergency equipmt
Physiological considerations of occupants/divers/operators include:	(1) Thermal protection requirements (2) Limits for breathing gas composition, pressure, flow, temperature, and humidity (3) Specification of breathing gas contamination limits (4) Constraints (movement or visual limitations)
System Physical Limitations include:	(1) Physical limitations (capacity, power) • Depth/pressure limitations • System volumes/capacities • Temp. limits for both normal and emergency operating conditions • Permissible sound, mechanical shock and vibrations parameters (2) Tech. limitations
functional analysis/design synthesis process is also called	Solution Definition Process--transforms the system-level functional, performance, interface and other requirements that were identified through requirements analysis into design concepts and technical approaches to achieve a design solution
In selecting the optimal design, the Designer shall use ___________ to evaluate alternative solutions to optimize cost, schedule, performance, and risk.	trade-off analysis (trade study)
the saturation diving system will have numerous ______, all of which will have their own control and tracking.	CI = configuration items
Outputs from this ____process include a systematic block diagram ), a work breakdown structure (WBS) (Work Breakdown Structures), and documentation providing traceability of performance requirements to components	functional analysis/design synthesis process or Solution Definition Process
subsystem and component descriptions are developed, and detailed interfaces between all system components are defined in this phase?	preliminary design phase
Design calculations and analyses are produced. Technical management processes are formalized during this phase?	preliminary design phase
Component material selection and item design requirements are identified.	preliminary design phase
Availability of critical components and technologies are assessed. Major components and subassemblies and their interdependencies are identified and flow diagrams, electrical schematics, system arrangement drawings are completed during this phase?	preliminary design phase
During this phase? lower level item physical descriptions and performance requirements are defined and detailed drawings are developed. All design calculations and analyses are completed. goal: to have sufficient specifications and drawings to start	Detailed Design
hazard analysis is refined and the design of hazard related components is modified, or specific attributes are required, to mitigate the hazard during this phase	Detailed Design
The Navy requires ______? in addition to or in conjunction with recognized Code (ASME, ASME PVHO) or classification society (ABS) technical reviews and audits	formal technical reviews and audits (design reviews)
technical reviews and audits (design reviews) are typically found in the system procurement specifications specified in ?	the Statement of Work (SOW).
This review is to determine the adequacy of the Designer’s efforts in defining system requirements to meet performance requirements and standards of the diving system SOW?	System Requirements Review (SRR).
This review evaluates the optimization, correlation, completeness, and risks associated with the allocated technical requirements as well as the Designer’s system engineering processes	System Design Review (SDR).
This is a formal technical review of the basic design approach. The review is usually held when about 15 percent of the drawings are complete. This review evaluates the progress, technical adequacy, and risk resolution	Preliminary Design Review (PDR
The Designer shall have completed a conceptual design for presentation at this review	System Design Review (SDR).
This review is conducted prior to fabrication/production of the diving system to ensure that the detailed design calculations and analyses and engineering drawings satisfy the performance requirements and standards of the diving system	Critical Design Review (CDR).
Generally, 85 percent of all drawings are complete prior to this review.	Critical Design Review (CDR).
When establishing a configuration management program, the Designer shall follow the guidance in ?	NAVSEAINST 4130.12B, Configuration Management Policy and Guidance, EIA-649, National Consensus Standard for Configuration Management, ISO 10007:2003, Quality Management Systems – Guidelines for Configuration Management; and SECNAVINST 4130.2
What is SECNAVINST 4130.2 ?	Department of the Navy Configuration Management Policy
Configuration management provides documentation that describes what ?	what is supposed to be designed, what is being designed, what has been designed, and what modifications have been made to what was designed.
Configuration management comprises what five interrelated efforts?	Identification, Control, Status Accounting, and Audits
This is referred to as the Requirements Baseline in EIA-649 ?	Functional baseline
the approved configuration documentation describing a system's or top level configuration item's (CI) performance (functional, inter-operability, and interface characteristics) and verification reqd. to demonstrate achievemt of specified characteristics	Functional baseline
who maintains control of the functional baseline?	The Government Procurement Representative
The Designer shall have control over his design and associated technical documentation that definesevolving design solution during development of a CI. changes or modification of system functional or performance requirements will require whose approval?	The Government Procurement Representative
This baseline is established after the preliminary design review.	Allocated baseline
THis baseline is referred to as the Design Release Baseline	Product baseline
The product baseline prescribes what three things?	• All necessary physical or form, fit, and function characteristics of a CI • The selected functional characteristics designated for production acceptance testing • The production acceptance test requirements
Who maintains control of the product baseline, including digital format?	The Government Procurement Representative
This baseline is established after the critical design review	Product baseline
What two types of change documents used to control baselines associated with government configuration management ?	Engineering Change Proposal, Request for Deviation or Waiver.
Engineering Change Proposals (ECP) is also referred to as ?	Change Proposals
These identify need for a permanent configuration change.	Engineering Change Proposals (ECP) or Change Proposals
These propose a temporary departure (specific number of units or specific time period) from the baseline. They allow for acceptance of non-conforming material	Requests for Deviation or Waiver

The use of these provide the Navy on-line access to, or delivery of, programmatic and technical data in digital form and is required unless waived by the Government Procurement Representative	MIL-STD-974, Contractor Integrated Technical Information Services (CITIS); Defense Acquisition Deskbook, Section 3.7, Continuous Acquisition and Life-cycle Support (CALS);
The Designer shall document system safety engineering approach. This is known as ?	System Safety Plan.
the program’s overall system safety plan and implementation including milestones, definitions of hazard severity and probability of hazards, and a detailed risk level matrix (severity and probability). are all part of this?	System Safety Plan.
This includes the following safety analyses: Health Hazard Assessment, System Hazard Analysis (see 1-2.4.2), Component Level Hazard Analysis, System Level Hazard Analysis (see 1-2.4.2) and Failure Modes and Effects Analysis (FMEA)	System Safety Plan
This defines how hazards and residual mishap risk are communicated to and accepted by the appropriate risk acceptance authority and how hazards and residual mishap risk will be tracked.	System Safety Plan
The System Safety plan shall also include this plan?	a Hazard Tracking and Closeout Plan
This plan shall maintain a tracking system that includes hazards, their closure actions, and residual mishap risk throughout the design.	Hazard Tracking and Closeout Plan
As part of the design process for a diving system or equipment, This ? must be developed to evaluate the effects of all possible failures	Hazard Analysis
A hazard analysis consists of these two levels?	a component type hazard analysis and an system level hazard analysis shall be performed.
What type of analysis is typically performed assuming that only one failure occurs in any one subsystem at a time, not multiple failures occurring at the same time	component analysis
failures that could affect the ___________?shall clearly show what features, warnings or procedures have been incorporated into the design, operation and maintenance of the system to preclude or minimize the probability of failure	safety or recoverability of personnel
Who is responsible to ensure that conditions identified as significant safety hazards are eliminated or reduced to the lowest practical level?	the Designer
What MIL STD provides an acceptable set of guidelines for the conduct of a hazard analysis.	MIL-STD-882
3 Components of a hazard analysis include	hazard identification, hazard assessment, and hazard mitigation
Identification of hazards is a responsibility of who?	all program members
determining the potential negative impact of the hazard on personnel, facilities, equipment, operations, the public, and the environment is known as ?	Hazard Assessment.
an iterative process that culminates when the residual mishap risk has been reduced to a level acceptable to the Government Procurement Representative	Hazard Mitigation
precedence for mitigating identified hazards is?	1 Eliminate hazards through design selection. 2. Incorporate safety devices. 3. Provide warning devices 4. Develop procedures and training
The SOC is part of the certification process defined in what manual?	NAVSEA SS521-AA-MAN-010, U.S. Navy Diving and Manned Hyperbaric Systems Safety Certification Manual
SOC consists of what?	all portions of the diving system and its ancillary equipment required to ensure personnel safety.
Systems and components, not initially shown to be within the SOC by the Designer, shall be reviewed by who for their contributions to the overall safety of design?	the Government Procurement Representative
Systems, components, procedures and documentation that must be included in the SOC are those:	a. where failure creates an immediate hazard that may result in severe injury or death. b. where malfunction or failure could prevent the safe return of the operators, divers, or occupants to the surface
Systems, components, procedures and documentation that must be included in the SOC are those:	c. that keep operators, divers, or occupants safely on the surface following an ascent. d. used to rescue personnel from the diving system and return them to the surface, support platform, or, to ambient conditions outside the chamber.
Systems, components, procedures and documentation that must be included in the SOC are those:	e. associated with temporary test equipment affecting trim and stability conditions, both surfaced and submerged, that could threaten safe recovery of personnel. f. drawings required in the construction, operation, and maintenance of the system
Systems, components, procedures and documentation that must be included in the SOC are those:	g. written operating procedures (OP) including predive and post-dive procedures, emergency procedures (EP), and maintenance procedures for systems, subsystems, and components within the SOC including O&M /PMS
listing of items shown below generally requires inclusion in the SOC.	a. The pressure hull, pressure vessels, hard structure, and appurtenances.
listing of items shown below generally requires inclusion in the SOC.	b. The ballast/buoyancy systems used to maintain adequate freeboard when operating a submersible capsule or habitat on the surface.
listing of items shown below generally requires inclusion in the SOC.	c. Jettisoning and emergency ballast blow systems used to return the diving system to the surface in event of emergency
listing of items shown below generally requires inclusion in the SOC.	d. Normal and emergency life-support systems that provide an acceptable atmosphere to the diving system personnel
listing of items shown below generally requires inclusion in the SOC.	e. Non-compensated equipment, subject to pressure, which may implode or explodef. Release devices for external appendages. g. Firefighting devices or systems
listing of items shown below generally requires inclusion in the SOC.	h. Communication systems allowing personnel using the diving system to communicate with support personnel i.e. diver to topside, submersible or habitat to surface support platform.i. Monitoring/detecting devices
listing of items shown below generally requires inclusion in the SOC.	j. Emergency recovery equipment l. Electrical power subsystems and components
listing of items shown below generally requires inclusion in the SOC.	m. Electrical equipment and accessories that have sufficient electrical potential to cause a shock hazard
listing of items shown below generally requires inclusion in the SOC.	n. External obstacle avoidance systems, such as active sonar, fathometers, passive sonar, TV viewing systems, optical viewing devices, and periscopes.
listing of items shown below generally requires inclusion in the SOC.	o. Propulsion system for submersibles operating under or near overhangs, cliffs, in canyons, in wreckage
listing of items shown below generally requires inclusion in the SOC.	p. Any potential toxic or flammable material within manned spaces of the diving system.
listing of items shown below generally requires inclusion in the SOC	Support platform handling systems and components such as cranes, A-frames, trolleys, winches, brakes, cables, and their ancillary equipment
listing of items shown below generally requires inclusion in the SOC	Systems and components that protect personnel directly or indirectly against accidents and hazards
listing of items shown below generally requires inclusion in the SOC	s. Systems and components providing control of the diver's body temperature and protecting the diver against accidents and hazards in the underwater environment.
listing of items shown below generally requires inclusion in the SOC	t. Subsystems located on the gas supply side of the diver's umbilical or supply hose. For surface supplied diving systems and recompression chamber systems, the scope normally encompasses the entire diver's gas mechanical system
listing of items shown below generally requires inclusion in the SOC	u. Diver-worn equipment, which includes the subsystems and components located on the diver side of the umbilical or supply hose connection required to ensure and preserve the safety and well-being of the diver,
the entire diver's gas mechanical system. This is usually composed of, but not limited to	compressors, flasks, filtration and purification, carbon dioxide scrubbers, separators, reducing stations, receivers, valving and piping up to and including the diver's manifold(s) and recompression chamber and its appurtenances
Diver-worn equipment that ensures and preserves the safety and well-being of the diver includes:	2) Headgear, face masks, mouthpieces, breathing bags and helmets. (3) Breathing gas hose, umbilicals, gas fittings, connectors, fasteners, and clothing.
Diver-worn equipment that ensures and preserves the safety and well-being of the diver includes:	(4) Instrumentation, sensors, alarms, computers and (predive) set up equipment. (5) Electrical and communication subsystems.
Diver-worn equipment that ensures and preserves the safety and well-being of the diver includes:	(1) Breathing gas subsystems and components including tubing, valves and regulators, breathing gas containers, and carbon dioxide absorbers.
The goal is to design a system for use by the Navy diving population without having to modify or create new Navy Enlisted Classifications (NEC) or provide additional training requirements. KSA refers to ?	knowledge, skills, and abilities (KSA) of system operators, maintainers, and support personnel
Examples of Human Factors Engineering include:	1. Physical Human Factors, which addresses physical attributes of the human body such as height, weight, arm reach, center of gravity
physical human factors in Human Factors Engineering (HFE) design shall be based on the ___th and ___th percentile MALE.	5th and 95th
Examples of Human Factors Engineering include:	2. Physiological Human Factors, which address visual acuity, tolerance to extreme temperatures, and frequency range of human hearing
Examples of Human Factors Engineering include:	3. Psychological or Behavioral Human Factors, which address mental reaction time to various stimuli, capabilities and limitations of short term memory, and "expectancy" as an element of perception
Physical accommodations in design is defined as what?	having adequate reach, strength, and endurance nec. to perform all tasks; adequate clearance for movement, to ingress/egress work area, and perform all reqd tasks; adequate internal and external visibility to perform all reqd ops; and adequate fit of PPE
Design of non-military-unique workplaces and equipment shall conform to ?	Title 29, Code of Federal Regulations Part 1910 (29 CFR 1910)
for human engineering guiding criteria in the design of the diving system, the designer should refer to what ?	MIL-STD-1472, Human Engineering
Designer shall consider the effect of sound levels on the system occupants in accordance with the guidelines and calculations provided in ?	OPNAVINST 5100.23, Chapter 18, Hearing Conservation and Noise Abatement and MIL-STD 1474
Noise limits: sound levels in decimals on a A-weighted scale (dB(A)) for frequencies of ?	20 to 16,000 Hertz (Hz),
During work periods (not to exceed 16 hours in any 24-hour period), the noise level shall not exceed ?	80 dB(A).
For impact/impulse noises the maximum sound pressure level is ?	140 dB.
When an intermittent noise greater than_____exists, the PELs must be recalculated. What are PEL's?	70 dB(A) permissible exposure limits
for further guidance on equipment noise acceptance criteria in meeting sound level thresholds you should see ?	MIL-STD-1474, Noise Levels
In design condiderations, frequency ranges for motion sickness and for health, comfort, and perception are defined as:	0.1 to 0.5 Hz for motion sickness 0.5 to 80 Hz for health, comfort, and perception
Evaluation of vibration and its possible effects on _______, ______, __________, and _________ whould conform to ISO 2631-1, Mechanical Vibration and Shock - Evaluation of Human Exposure to Whole-body Vibration - Part l	health, comfort, and perception, and motion sickness
If possible, exposure within the health guidance caution zone should be avoided. Frequencies below _____hz should be avoided?	20
To preclude impairment of visual tasks, vibration between ___and ___Hz should be minimized?	20 and 70 Hz
This evaluates the potential for hazards and the degree of risk resulting from the implementation of operational and support procedures (e.g., maintenance, transport, disposal, etc.) performed by personnel supporting the system ?	Operating and Support Hazard Analysis (O&SHA)
What characteristics determine how large access openings must be, the need for stands, how far replaceable units shall be placed inside a compartment and still be reachable, and so forth ?	Anthropometrical
What determine what types of warnings are most effective, which way a calibration knob should turn, whether a continuously variable or detented knob should be used, and so forth?	Psychological factors
The Designer shall follow the guidance of ____? for determining the maintainability and reliability of the diving system.	MIL-HDBK-470, Designing and Developing Maintainable Products and Systems,
Maintainability analyses include:	• Maintainability Design Evaluation • Failure Modes and Effects Analysis (FMEA) • Testability Analysis • Human Factors Analysis
The Designer shall perform ______? to identify mission or safety critical single point failures and steps mitigating them	a Failure Modes and Effects Analysis (FMEA)
What analysis shall show that the design permits rapid positive identification of malfunctions, and rapid isolation and repair of these items by system personnel	reliability-centered maintenance (RCM)
The diving system must perform reliably under worst-case conditions. The reliability performance objective shall be in terms of ______?_. this must be longer than what?	mean time between failures (MTBF). MTBF must be longer than the longest operational mission profile.
Components, equipment and systems shall be designed to properly operate at what design conditions?	the most limiting
the effect of fabricating to worst case material dimensions. Potential effects of corrosion caused by oxidation, pitting, galvanic interaction of dissimilar metals, stress corrosion cracking and embrittlement must be considered in reference to ?	Structural design calculations
in what calculations would the following be important:, system flow characteristics, e.g., velocity, flow rates, pressure, and storage and/or air bank capacity, where applicable.	Minimum Calculation Requirements of piping and mechanical systems
Design calculations for electrical equipment and systems will contain as a minimum:	(1) Electrical load and power analysis. (2) Max heat generated by the equipment, and the max anticipated temp. . (3) Voltage-drop calculations . (4) Where available, information obtained from the manufacturers
These shall also consider the most critical loading case that includes the cumulative detrimental effects of design allowances, dimensional variations, and tolerances.?	Stress analyses and test reports
Examples of loads to be in stress analysis considered are:	a. Weight of water used for hydrostatic testing b. Forces encountered while transporting, securing, removing, or handling the system or its components c. Static loads imposed by the clamping or securing devices used to secure the system
Examples of loads to be in stress analysis considered are:	d. Maximum operating pressure of gas within the system e. Thermal stresses due to the maximum operating temperature range of the system
Examples of loads to be in stress analysis considered are:	f. Reactions due to differential thermal expansion between the system and the structure to which it shall be fixed or due to elastic expansion of the system caused by internal pressure
Examples of loads to be in stress analysis considered are:	g. Vibration transmitted from the shipping platform transporting the components of the system
Examples of loads to be in stress analysis considered are:	h. Shock, including accidental blows i. Vertical and horizontal loads on foundations j. Forces developed by shipboard accelerations, ship vibrations or imposed by ship motions
Examples of loads to be in stress analysis considered are:	k. Dynamic loads encountered: (1) When launching, retrieving, or handling the diving system (2) In normal or casualty operations such as explosively jettisoning external equipment (3) From collapse of any non-pressure compensated elements
Examples of loads to be in stress analysis considered are:	l. Fatigue load life of the pressure resisting components and piping for a specified number of cycles in a cold water environment. m. Effects of Corrosion
What must consider the following design parameters: a. Magnitude and nature of peak stresses b. Material properties and method of fabrication. c. Maximum deviation in material thickness, assembly techniques and allowable flaws. .	The fatigue analysis
What must consider the following design parameters: d. Geometry of the structure and details of penetrations and attachments. e. Previous fabrication, stress-loading, and operating history of the material.	The fatigue analysis
What must consider the following design parameters: f. Effects of residual stresses, thermal stresses and strain rate. g. Type and method of loading and environmental effects such as corrosion/erosion. h. Maximum anticipated number of load cycles.	The fatigue analysis
All diving systems drawings shall meet the requirements of ?	ASME Y14.100, Engineering Drawing Practices.
For each component or item on a drawing, what information must be identified?	the manufacturer’s model or type number, part number, material, vendor identification, applicable military specification, federal specification or standard as appropriate
Each component that provides a control, sensing or similar essential function that impacts on the operation of the system (valves, gauges, pressure regulators, etc.) shall have this?	a unique identifier made up of a system designation and a number.
Each component and welded or mechanical joint within the SOC shall have	a unique identification number on the Joint Identification Drawing.
Pressure vessel(s) weight, internal (floodable) volume and cycle life (when required) shall be stated on what type of drawing?	on the Top Assembly Drawing for each vessel.
T of F The Designer shall develop Joint Identification Drawings (JID) for the divers life support system (DLSS) and welded pressure vessels of any diving or hyperbaric system	True: JIDs are used not only during the fabrication of the system but also throughout the life of the equipment for maintenance and record keeping
The JID shall also list the minimum______required (after bending) for piping and tubing	wall thickness
The first 2 or three letters (for ex. AHP, ALP, EXH, OHP, OLP, EQ) in a JID for a valve or gauge designates what?	usage--for example AHP = Air High Pressure OHP = Oxygen High Pressure
For a JID (XXX-XXXXX XX , the first three characters represent ? the next character represents ? the next single character represents? the following 3 characters represent? finally the last two characters represent?	Usage, subsystem designation, torque value, joint number, and type of joint
defined as the ability to reach, read and/or operate components and equipment identified as vital to the recovery and emergency operation of the diving system.	Access to vital components and equipment
Weld design shall be in accordance with ?	MIL-STD-22, Welded Joint Design
The design of all threaded fasteners within the SOC, including bolts, studs and nuts shall meet the requirements of ?	MIL-DTL-1222 or SAE J429 (Mechanical and Material Requirements for Externally Threaded Fasteners) or SAE J995 (Mechanical and Material Requirements for Steel Nuts).
Studs and bolts should be of sufficient length so that, when nuts are tightened to their appropriate torque values, at least how many thread(s) exposed?	at least 1 thread is exposed
Where practicable, the number of threads exposed shall not exceed ______; however, in no case shall the thread exposure exceed _______ threads.	5 10
Generally speaking __________should provide a positive locking action, be simple to install, and should lend itself to easy inspection without disturbing the locking feature	a locking device
If locking devices are not practical, critical fasteners shall be marked how?	with a "torque stripe" identifying the relative locations of parts under proper torque.
the breathing gas supply will provide gas at the required flow rate and pressure to meet the conditions of the most imposing diving mission with enough gas available to:?	compress to the maximum depth, maintain depth for as long as required and return the divers to the surface, including decompression.
design of DLSS shall address the following items necessary for atmosphere control and monitoring:?	a. Breathing gas supply. (1) Stored breathing gas. (2) Primary breathing gas supply. (3) Secondary breathing gas supply. (4) Emergency breathing gas supply
design of DLSS shall address the following items necessary for atmosphere control and monitoring:?	b. Environmental control and monitoring. (1) Carbon dioxide control/monitoring. (2) O2 control and monitoring. (3) Gas purification/filtering. (4) Humidity control/monitoring.(5) Temp. control/monitoring. (6) Env. monitoring instrumentation
From a practical standpoint the minimum oxygen consumption rate for an individual is ___Liters/minute (STPD), and the maximum is ____Liters/minute (STPD).	0.33 4.0
PPO2 goes as low as ____ata most individuals become hypoxic to the point of helplessness.	0.11
Consciousness is usually lost at about _____ata and at much below this level, permanent brain damage and death will most likely occur.	0.10
For very long exposures measured in hours to days, pulmonary symptoms may appear if the PPO2 is allowed to exceed _____ ATA. For this reason, The U.S. Navy normally maintains PPO2 between ___ and ___ATA during saturation dives.	.5 0.44 to 0.48
High pressure oxygen poisoning, or central nervous system (CNS) oxygen toxicity, is most likely to occur when divers are exposed to more than ?	1.6 atmospheres of oxygen
What is CNS O2 Toxicity’s most serious direct consequence ? Some of the warning symptoms are ?	convulsioins tunnel vision, nausea, twitching, and irritability.
To prevent the onset of CNS O2 Toxicity in most divers, the design of the diving system or recompression chamber shall be such that partial pressure of oxygen delivered to the user shall typically be at ____ or below?	1.4 ata
Allowable Oxygen Partial Pressures by System Type OPEN CIRCUIT AIR AND NITROX DIVING	1.4 ATA (MAX)--Dives with higher PPO2 are allowed but with restricted exposure times.
Allowable Oxygen Partial Pressures by System Type OPEN CIRCUIT HELIOX DIVING (SURFACE SUPPLIED)	1.3 ATA (MAX, ON-BOTTOM)--Brief exposures to PPO2 as high as 1.9 ATA are allowed during decompression
Allowable Oxygen Partial Pressures by System Type OPEN CIRCUIT HELIOX DIVING (SATURATION)	1.25 ATA (MAX, FOR EXCURSION DIVES)
Allowable Oxygen Partial Pressures by System Type CLOSED CIRCUIT CONSTANT PPO2 DIVING	1.3 ATA (TIME WEIGHTED AVERAGE)4
ratio of volume of CO2 produced to the volume of O2 consumed is termed ______and varies ____to _____	respiratory quotient (RQ) and varies from 0.7 to 1.1
At rest, the RQ is normally around	.085
average resting oxygen consumption is approximately per man?	0.44 L/min (STPD) or 1.0 ft3/hr (STPD) STPD = Standard Temperature and Pressure, Dry
corresponding average CO2 generation rate has been observed to lie between _____ and ____?	0.374 L/min (STPD) or 0.80 and 0.85 ft3/hr (STPD). STPD = Standard Temperature and Pressure, Dry
During moderate to hard work, the RQ approaches ___?	1
A CO2 removal system shall remove a sufficient amount of CO2 to keep the PPCO2 level below_____ATA for ventilated chambers or open circuit diving apparatus.	0.02
For saturation diving systems PPCO2 shall be kept below ____ ATA with allowable short peaks to _____ATA	0.005 0.008
One may estimate the CO2 load by multiplying _______by ___________?	total estimated oxygen consumption by an estimate of the respiratory exchange ratio (R).
estimate the CO2 load by multiplying the total estimated oxygen consumption by an estimate of the respiratory exchange ratio (R). for shorter missions what O2 consumption is assumed?	2.0 L/min (STPD)
estimate the CO2 load by multiplying the total estimated oxygen consumption by an estimate of the respiratory exchange ratio (R). For missions longer than 12 hours, a mean oxygen consumption rate of _____ per diver is reasonable?	1.0 L/min (STPD)
estimate the CO2 load by multiplying the total estimated oxygen consumption by an estimate of the respiratory exchange ratio (R). For missions longer than 12 hours, an assumed R would be _____, CO2 production would be ______	0.9 0.9 L/min
estimate the CO2 load by multiplying the total estimated oxygen consumption by an estimate of the respiratory exchange ratio (R). for shorter missions, CO2 production would thus be about _____ L/min.	1.8
CO2 production rates of up to ___L/min (STPD) for up to 10 minutes must be accommodated.	2.5 10
Since closed circuit diving systems need add only enough oxygen to make up for metabolic losses, the amount of oxygen required is (less than, more than, equal to?) the anticipated metabolic demand	equal to
oxygen consumption can be estimated by assuming a mean value of ___ L/min (STPD) per diver for missions of less than 12 hours and _____ L/min (STPD) per diver for longer missions	2.0 1.0
the oxygen content of gas breathed by the diver varies as a function of what 3 things?	diver work rate (metabolic oxygen consumption), the fresh gas injection rate, and the percentage of oxygen in the fresh gas supply.

Created by: NEDUFCPOA

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