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Estimating Your Air Consumption
10/29/2019 Alert Diver | Estimating Your Air Consumption Estimating Your Air Consumption Advanced Diving Public Safety Diving By Mike Ange Mastering Neutral Buoyancy and Trim Military Diving Technical Diving Scientific Diving and Safety Program Oversight Seeing the Reef in a New Light ADVERTISEMENT Do you have enough breathing gas to complete the next dive? Here's how to find out. It is a warm clear day, and the Atlantic Ocean is like glass. As you drop into the water for a dive on North Carolina's famous U-352 wreck, you can see that the :: captain has hooked the wreck very near the stern. It is your plan to circumnavigate the entire structure and get that perfect photograph near the exposed bow torpedo tube. You descend to slightly below 100 feet, reach the structure and take off toward the bow. Unfortunately, you are only halfway, just approaching the conning tower, when your buddy signals that he is running low on air. Putting safety first, you return with him to the ascent line — cursing the lost opportunity and vowing to find a new buddy. If you've ever experienced the disappointment of ending a dive too soon for lack of breathing gas or, worse, had to make a hurried ascent because you ran out of air, it may surprise you to learn that your predicament was entirely predictable. With a little planning and some basic calculations, you can estimate how much breathing gas you will need to complete a dive and then take steps to ensure an adequate supply. It's a process that technical divers live by and one that can also be applied to basic open-water diving. -
Diving Rules at the University of Gothenburg
University of Gothenburg Regulatory document Dnr V 2013/511 Diving rules at the University of Gothenburg Published Medarbetarportalen.gu.se/Regulatory document Decision makers Vice-chancellor Manager function Personnel unit Decision date 2013-06-17 Validity until further notice Summary Rules for diving work at the University of Gothenburg responsibilities and organization as well as rules for systematic work environment management for diving activities Translated from the original in Swedish language by staff at the Marine Infrastructure-Kristineberg, Uni of Gothenburg, without any warrantee for correctness). Contents 1 General 1.1 Regulations and literature 1.2 All diving is voluntary 1.3 Exemption from diving rules 2 Validity of the regulations 2.1 Swedish visiting divers 2.2 Foreign visiting divers 3 Working environment responsibility 4 Diving activities leader 5 Regulations for diving and diving methods 5.1 Diving with hyperbaric shelf-contained underwater breathing apparatus (SCUBA) 5.1.1 Competence requirements 5.1.2 Medical examination etc. 5.1.3 Training in cardiopulmonary resuscitation (CPR-training) 5.1.4 Air transport after diving 5.1.5 Diving at altitude 5.1.6 Alcohol consumption 5.1.7 Certified equipment 5.1.8 Personal protective equipment 5.1.9 Maintenance of equipment 5.1.10 Diving air quality 5.1.11 Maintenance of skills 5.2 Snorkeling and free diving 6 Documentation 6.1 Common register for the University of Gothenburg 6.1.1 Records of medical examinations, CPR-training, diving competence etc. 6.1.2 Records of diving (diving journals) 6.2 Local records save on the currents drive 6.2.1 Inspection/service of dive equipment 6.2.2 Risk assessment and measures 6.2.3 Diving plan 6.3 Personal register 6.3.1 Personal diving book 6.4 Other registers 6.4.1 Reporting of work injuries, incidents and deviations in diving work 7 Leisure/recreational diving 7.1 SCUBA-diving 7.2 Snorkeling and free diving 1 General The vice-chancellor decided at a meeting at the 17th of June 2013 to established rules for diving at the University of Gothenburg. -
How Does the Diver Work? Preparing the Plastic Soda Bottle
How Does the Diver Work? Preparing the Plastic Soda Bottle Vv'hen you build a Cartesian diver, you are exploring three scientific properties of air: You will need to start collecting plastic soda bottles with caps. While (1) Air has weight almost any size bottle will work, the most popular sizes are 1 liter, 1.5 liter, and 2 liter bottles. Smaller children will find that the 1 and 1.5 liter (2) Air occupies space bottles are easiest to squeeze. The best soda bottles are those that are (3) Air exerts pressure. clear from top to bottom so that you can see everything that is happening in the bottle. Generally speaking, an object will float in a fluid if its density is less than that of the fluid (densltyemass/volume). If the object is more dense than the fluid, then the object will sink. For example, an empty bottle will float in a bathtub that is filled with water if the bottle is less dense than the water. However, as you start filling the bottle with water, its Here's an easy method for density increases and its buoyancy decreases. Eventually, the bottle will sink if it is filled too full with water. ~ cleaning the plastic The Cartesian diver, consisting of a plastic medicine dropper and soda bottles: a metal hex nut, will float or sink in the bottle of water depending on the water level in the bulb of the dropper. Vv'hen pressure is applied to the outside of the bottle, water is pushed up inside the diver, and the air • Rinse out the bottle using warm water. -
Plymouth Shipwrecks Commercial Diving in Spain
INTERNATIONAL DIVING SCHOOLS ASSOCIATION EDITION NO.26 JULY 2015 PLYMOUTH SHIPWRECKS COMMERCIAL DIVING IN SPAIN DEVELOPMENTS IN SICILIAN LAW THE ANNUAL MEETING Cygnus DIVE Underwater Wrist-Mountable Ultrasonic Thickness Gauge Wrist-mountable Large bright AMOLED display Measures through coatings On-board data logging capability Topside monitoring with measurements video overlayed Twin crystal probe option for extreme corrosion and anchor chains t: +44 (0)1305 265533 e: [email protected] w: www.cygnus-instruments.com Page 3 FROM THE Editors: Alan Bax and Jill Williams CHAIRMAN Art Editor: Michael Norriss International Diving Schools Association 47 Faubourg de la Madeleine 56140 MALESTROIT FRANCE Phone: +33 (0)2 9773 7261 e-mail: [email protected] web: Dear Members www.idsaworldwide.org F irst may I welcome the Aegean Diving Services as an Associate Member. Another year has gone by, and we are again looking at the Annual Meeting, this year teaching Level 1 and increased in Cork where our hosts – the through Level 2, 3 & 4 ? Irish Naval Diving Section – are offering a very warm welcome, ••Obtaining an ISO Approval both professionally and socially. ••Liaison with other organisa- It looks to be an interesting tions meeting and currently the Board Several of these items might is considering the following items affect the future shape and for the Agenda: operations of the Association, A Commercial Diving Instruc- •• therefore we would very much like tor Qualification to receive comments on these ••The need for an IDSA Diver items, fresh suggestions will be Training Manual most welcome, as will ideas for ••The revision of the Level 2 presentations - I am sure many Standard to include the use of members to know that Rory mixed gases in Inland /Inshore Golden has agreed to recount his Operations. -
Bill's Cave Diving Lexicon
Bill’s Cave Diving Lexicon 120 Rule: Noticing from the Navy NDL table that, for certain depths, depth + bottom time = 120 so that the NDL can be determined by subtracting the depth from 120. 200 DIN: Thread depth in a DIN valve and associated pressure (200 BAR) that can be handled. This size (7 threads) allows for a DIN to yoke conversion. 300 DIN: Thread depth in a DIN valve that provides the most secure (9 threads) connection and can withstand 300 BAR pressure. 5 nines pure: 99.999% pure, as in a gas. 50-50: Gas mix of 50% oxygen and 50% nitrogen used for decompression gas. 6351-T6 Aluminum Alloy: Alloy that has had problems with tank ruptures. Absolute Pressure: Total pressure being exerted on a diver At sea level Absolute pressure is 1 ATA and it increases by 1 ATA for each 33fsw (34ffw). ADDD (Air, Duration, Depth, Distance): Limits for dive termination acronym minimum Air volume/pressure, maximum Duration of dive, maximum Depth of dive, and maximum Distance of penetration. ADV (Automatic Deflation Valve, and Automatic Diluent Valve ): Device on a buoyancy compensator that allows for rapid air purging, and device on a rebreather that dilutes the breathing mix. AGE (Arterial Gas Embolism): A lung expansion injury. A condition in which gas bubbles enter the arterial system and cause damage by blocking blood flow to vital organs, most commonly the brain. This is generally caused by air passing through the walls of the alveoli into the bloodstream. Air: A gas mixture of Oxygen (21%), Nitrogen (78%), and other gasses (1%, Helium, Argon, etc.). -
And Financial Implications of Unmanned
Disruptive Innovation and Naval Power: Strategic and Financial Implications of Unmanned Underwater Vehicles (UUVs) and Long-term Underwater Power Sources MASSACHUsf TTT IMef0hrE OF TECHNOLOGY by Richard Winston Larson MAY 0 8 201 S.B. Engineering LIBRARIES Massachusetts Institute of Technology, 2012 Submitted to the Department of Mechanical Engineering in partial fulfillment of the requirements for the degree of Master of Science in Mechanical Engineering at the MASSACHUSETTS INSTITUTE OF TECHNOLOGY February 2014 © Massachusetts Institute of Technology 2014. All rights reserved. 2) Author Dep.atment of Mechanical Engineering nuaryL5.,3014 Certified by.... Y Douglas P. Hart Professor of Mechanical Engineering Tbesis Supervisor A ccepted by ....................... ........ David E. Hardt Ralph E. and Eloise F. Cross Professor of Mechanical Engineering 2 Disruptive Innovation and Naval Power: Strategic and Financial Implications of Unmanned Underwater Vehicles (UUVs) and Long-term Underwater Power Sources by Richard Winston Larson Submitted to the Department of Mechanical Engineering on January 15, 2014, in partial fulfillment of the requirements for the degree of Master of Science in Mechanical Engineering Abstract The naval warfare environment is rapidly changing. The U.S. Navy is adapting by continuing its blue-water dominance while simultaneously building brown-water ca- pabilities. Unmanned systems, such as unmanned airborne drones, are proving piv- otal in facing new battlefield challenges. Unmanned underwater vehicles (UUVs) are emerging as the Navy's seaborne equivalent of the Air Force's drones. Representing a low-end disruptive technology relative to traditional shipborne operations, UUVs are becoming capable of taking on increasingly complex roles, tipping the scales of battlefield entropy. They improve mission outcomes and operate for a fraction of the cost of traditional operations. -
Diving Accident / Incident Report Form
DIVING ACCIDENT / INCIDENT REPORT FORM NOTE: FAU Scientific Divers shall use this form to report diving related accidents, injuries, and incidents including; near-drowning, decompression sickness, gas embolism, lung overexpansion, or injuries that require hospitalization as well as any incidents that compromised diver safety or might result in later hospitalization, therapy, or litigation. FAU Dive Logs for all dives related to the accident / incident must also be submitted with this report. Contact the FAU Dive Safety Officer at 561-297-3129 with questions about whether or not to report an incident. GENERAL INFORMATION ABOUT THE ACCIDENT/ INCIDENT VICTIM DIVER NAME: DATE & TIME OF INCIDENT: DIVE LOCATION: DIVING CERTIFICATION LEVEL: CERTIFICATION DEPTH: Scientific Diver Diver-In-Training Temporary Diver CURRENT MEDICATIONS: CURRENT HEALTH PROBLEMS: If the diver is not anFAU-certified diver, complete this section. FAU-certified divers skip to the next section. AGE: SEX: (M/F) DIVER’S AGENCY OR ORGANIZATION: AGENCY OR ORGANIZATION DSO NAME & TELEPHONE #: # YEARS DIVING: TOTAL # DIVES: # DIVES LAST 6 MONTHS: PREVIOUS DIVE INCIDENTS & DATES: DESCRIPTION OF THE ACCIDENT / INCIDENT: Please describe accident / incident in detail. Include ANY factor which you believe may have contributed to, or minimized the accident / incident. If more than one accident / incident occurred please fill out a separate form. Use extra paper if necessary. What could have been done to prevent this accident / incident? Did the accident / incident cause harm: Diver’s qualification: (may circle >1) Yes No Not known Diving student …… DS Open water ……...OW Advanced diver…….AD Divemaster ……...DM Specify : Dive instructor ….. DI Untrained …… .. UT Professional ……... PD Technical diver…...TD Not known ……. -
Supervised Dive
EFFECTIVE 1 March 2009 MINIMUM COURSE CONTENT FOR Supervised Diver Certifi cation As Approved By ©2009, Recreational Scuba Training Council, Inc. (RSTC) Recreational Scuba Training Council, Inc. RSTC Coordinator P.O. Box 11083 Jacksonville, FL 32239 USA Recreational Scuba Training Council (RSTC) Minimum Course Content for Supervised Diver Certifi cation 1. Scope and Purpose This standard provides minimum course content requirements for instruction leading to super- vised diver certifi cation in recreational diving with scuba (self-contained underwater breathing appa- ratus). The intent of the standard is to prepare a non diver to the point that he can enjoy scuba diving in open water under controlled conditions—that is, under the supervision of a diving professional (instructor or certifi ed assistant – see defi nitions) and to a limited depth. These requirements do not defi ne full, autonomous certifi cation and should not be confused with Open Water Scuba Certifi cation. (See Recreational Scuba Training Council Minimum Course Content for Open Water Scuba Certifi ca- tion.) The Supervised Diver Certifi cation Standards are a subset of the Open Water Scuba Certifi cation standards. Moreover, as part of the supervised diver course content, supervised divers are informed of the limitations of the certifi cation and urged to continue their training to obtain open water diver certifi - cation. Within the scope of supervised diver training, the requirements of this standard are meant to be com- prehensive, but general in nature. That is, the standard presents all the subject areas essential for su- pervised diver certifi cation, but it does not give a detailed listing of the skills and information encom- passed by each area. -
Bay Area Scuba Diving Certification
Bay Area Scuba Diving Certification If hopeless or angulate Hayward usually septupling his prehensions overcloy retrorsely or sprauchled aplenty and haughtily, how cacciatore is Erich? When Morry expire his enjambement nagging not hopingly enough, is Vinod Hieronymic? Urinant and auriferous Hurley miswriting his convenances tile reist mystically. This page was never hold your address to your own pace when you like image Sorry, Technical Diver, go invite your Inbox on desktop. Post Type must not use blank. Once you can revisit your specialty instructor. Reproduction in whole life in household without permission is prohibited. Tampa bay divers must attend both above the bay area scuba diving certification? Once you will be a means to prevent lung problems and so you should i sign up emails from. Are able to minimize your bay area scuba diving certification, off on prescription medication must also. Padi divemasters are highly recommended for life time diving with experience virtual experiences i do i get certified diver! From museums to sculptures, special interest, have also a possibility. Deciding on your specialty classes, a comment on this course rates include gear when visiting divers learn about how much it comes through. The bbc is no work lives at this is well after deep can choose. PADI Diver Certification Card. Our divers should visit our tours and bay area scuba diving certification issued by our readers or seabirds and bay! If it is not immediately available. This first aid certification course does the scuba diving area certification and fully supports diving include american destination offers you! Nitrox and trimix gas blends, there mediate no refunds for cancellations or transfers. -
SDI Diver Standards
part2 SDI Diversdi Standards diver standards SDI Standards and Procedures Part 2: SDI Diver Standards 2 Version 0221 SDI Standards and Procedures Part 2: SDI Diver Standards Contents 1. Course Overview Matrix ..............................11 2. General Course Standards .......................... 13 2.1 Administrative ........................................................................13 2.2 Accidents .................................................................................14 2.3 Definitions ..............................................................................14 2.4 Confined Water Training ......................................................15 2.5 Open Water Training ............................................................15 2.6 Student – Minimum Equipment Requirements ..............16 2.7 Instructor – Minimum Equipment Requirements ..........16 2.8 Temporary Certification Cards ...........................................17 2.9 Upgrading from SDI Junior certification to full SDI certification ...................................................................................17 3. Snorkeling Course ....................................... 18 3.1 Introduction ............................................................................18 3.2 Qualifications of Graduates.................................................18 3.3 Who May Teach ......................................................................18 3.4 Student to Instructor Ratio ..................................................18 3.5 Student -
Psdiver Monthly Issue 83
PSDiver Monthly Issue 83 Air Buys Time discussion group and let’s talk about it. Use what works for you and be open minded to suggestions and possible I have been asked by a number of subscribers to write changes. There will never be a one size fits all solution. about equipment configurations. I am always hesitant Your goal should be to search and experiment until you about writing about specific equipment or specific brands are able to find what works for you. or models. It is not that I do not have personal favorites; it is BECAUSE I have personal favorites that I have been Pony bottle and Pony Mount reluctant. To my way of thinking, if we dive FFM and a Pony and do It is has always been my opinion that equipment for a NOT use a gas switch block, we need the pony to have a dive team is based on particular need, budget and thumbnail SPG and a second stage regulator attached. availability. A small member team with an annual 20k Divers should also have a separate mask available to use budget is going to be better outfitted than a 20 member with the standard scuba second stage. Consider this team with a 2K annual budget. configuration for a minute. The diver is on SCUBA with a full face mask. The diver would likely have a This month I offer an editorial about pony console package with a SPG and either a bottles. What I present here is not intended computer or an analog depth gauge with a to be an “end all” to the topic nor is it maximum depth indicator. -
Participant Guide
Participant Guide National High Adventure Sea Base, BSA Sea Base Scuba Programs Islamorada, Florida Scuba Adventure Scuba Certification Scuba Live Aboard Revised Date: 2.23.2021 Mission of the Boy Scouts of America The mission of the Boy Scouts of America is to prepare young people to make ethical and moral choices over their lifetime by instilling in them the values of the Scout Oath and Law. Scout Oath On my honor I will do my best to do my duty to God and my country and to obey the Scout Law; to help other people at all times; to keep myself physically strong, mentally awake, and morally straight. Scout Law A Scout is: Trustworthy. Loyal. Helpful. Friendly. Courteous. Kind. Obedient. Cheerful. Thrifty. Brave. Clean. Reverent. Mission Statement of Sea Base, BSA It is the mission of Sea Base to serve councils and units by providing an outstanding high adventure experience for older Boy Scouts, Varsity Scouts, Venturers, Sea Scouts and their leaders. Sea Base programs are designed to achieve the principal aims of the Boy Scouts of America: • To build character • To foster citizenship • To develop physical, mental, and emotional fitness Keys Blessing Bless the creatures of the Sea Bless this person I call me Bless the Keys, you make so grand Bless the sun that warms the land Bless the fellowship we feel As we gather for this meal Amen Page | 2 Table of Contents General Eligibility Requirements ................................................................................................................. 4 General Eligibility at a Glance