Materials and Shape of Underwater Structures
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NASA Extreme Environment Mission Operations Project (NEEMO) 15
National Aeronautics and Space Administration NASA Extreme Environment Mission Operations Project (NEEMO) 15 facts XV NASA possible t-shirt colors Space exploration presents many unique aquanauts, live in the world’s only undersea challenges to humans. In order to prepare laboratory, the Aquarius, located 3.5 miles astronauts for these extreme environments off the coast of Key Largo, Fla. in space, NASA engineers and scientists use comparable environments on Earth. Most underwater activities are One of the most extreme environments is accomplished by traditional scuba diving, the ocean. Not only is the ocean a harsh but divers are limited to specific amounts of and unpredictable environment, but it has time because of the risk of decompression many parallels to the challenges of living sickness (often called the “bends”). Based and working in space – particularly in on the depth and the amount of time spent destinations with little or no gravity, such as underwater, inert gases such as nitrogen asteroids. will build up in the human body. If a diver ascends out of the water too quickly, the The NASA Extreme Environment Mission gases that were absorbed can create Operations project, known as NEEMO, bubbles within the diver’s body as the sends groups of astronauts, engineers, surrounding pressure reduces. doctors and professional divers to live in an underwater habitat for up to three weeks A technique known as saturation diving at a time. These crew members, called allows people to live and work underwater for days or weeks at a time. After twenty four hours Station, which has served as the living quarters for at any underwater depth, the human body becomes Expedition crew members. -
Underwater Inspection and Repair of Bridge Substructures
[.Tl [•1•] NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM SYNTHESIS OF HIGHWAY PRACTICE UNDERWATER INSPECTION AND REPAIR OF BRIDGE SUBSTRUCTURES Supv ) ç J j p1 JUNO 81982 3 up2Leder I.T.D. DIV OF H!GHWAYS BRIDGE SECTION FUe_OUT MAIL TRANSPORTATION RESEARCH BOARD NATIONAL RESEARCH COUNCIL TRANSPORTATION RESEARCH BOARD EXECUTIVE COMMITTEE 1981 Officers Chairman THOMAS D. LARSON Secretary, Pennsylvania Department of Transportation Vice Chairman DARRELL V MANNING, Director, Idaho Transportation Department Secretary THOMAS B. DEEN, Executive Director, Transportation Research Board Members RAY A. BARNHART, Federal Highway Administrator, U.S. Department of Transportation (cx officio) ROBERT W. BLANCHETTE, Federal Railroad Administrator, U.S. Department of Transportation (cx officio) FRANCIS B. FRANCOIS, Executive Director, American Association of State Highway and Transportation Officials (cx officio) WILLIAM J. HARRIS, JR., Vice President—Research and lest Department, Association of American Railroad.. (ex officio) J. LYNN HELMS, Federal Aviation Administrator, U.S. Department of Transportation (cx officio) PETER G. KOLTNOW, President, Highway Users Federation for Safety and Mobility (cx officio. Past Chairman, 1979) ELLIOTT W. MONTROLL, Chairman, Co,n,nission on Sociotechnical Systems, National Research Council (cx officio) RAYMOND A. PECK, JR., National Highway Traffic Safety Administrator, U.S. Department of Transportation (cx officio) ARTHUR E. TEELE, JR., Urban Mass Transportation Administrator, U.S. Department of Transportation (cx officio) JOHN F. WING, Senior Vice President, Booz. Allen & Hamilton. Inc. (cx officio, MTRB liaison) CHARLEY V. WOOTAN. Director, Texas Transportation Institute, Texas A&M University (cx officio, Past Chairman 1980) GEORGE J. BEAN. Director of Aviation, Hilisborough County (Florida) Aviation Authority THOMAS W. BRADSHAW, JR., Secretary, North Carolina Department of Transportation RICHARD P. -
Link to Line Card
DYNAMIC UNDERWATER CONSTRUCTION SERVICES “No Job Too Deep; No Task Too Daunting” Services Provided Marine Construction Support • underwater survey and video • pipeline jetting and profiling • underwater welding & burning • underwater rigging Ship Husbandry • commercial and recreational vessel • hull and propeller video inspection • cathodic protection testing • propeller obstruction removal Woman Owned, Small Business, Dams, Bridges & Docks Services Disabled • debris removal Veteran • underwater painting and coating Cert: DBE, WBE, WDVAVOB • NDT (non-destructive testing) • piling repairs Licenses (wood/steel/concrete) DUNS: 080222380 CAGE: 7LYT5 NAICS: 541990, 237990 Marine Salvage Gen. Contractor: DYNAMUC831N8 • salvage of ships, aircrafts, and motor vehicles • compartment and confined space E-mail or Call entry teams • hazmat services for FREE Quote • emergency response 253.328.4456 [email protected] Industrial Plants • trash rake cleaning and repair 10616 13th Ave. Ct S. • dredging and debris removal Tacoma, WA 98444 • traveling screen repair • video inspection, cleaning, and repair Complete online services list dynamicunderwaterconstruction.com DUCS Safety Policy Our employees are trained to know and execute DUCS extensive safety policy and approved procedures. We firmly believe in our employees right to “stop work” for safety. If work must be stopped, our employees will strive to mitigate the safety hazard in the most efficient means possible. Additionally we encourage our employees to be proactive with safety on the job site by having daily safety meeting where the days objectives are discussed to determine the safest and most expedite manner to complete said objective. Key Personnel Sherry McPherson, owner and President of DUCS, is a retired Iraq war combat veteran. She has a Bachelor Degree in Science majoring in Technology Management and has completed a year of graduate school working on a Master’s in Public Administration. -
Why an Underwater Habitat? Underwater Habitats Are Useful Because They Provide a Permanent Working Area for Aquanauts (Divers) W
[Type a quote from the document or the summary of an interesting point. You can position the text box anywhere in the document. Use the Drawing Tools tab to change the formatting of the pull quote text box.] Abstract What are the different types of Underwater Habitat and how do they differ? What is the Technology used in Underwater Habitats? Underwater habitats are useful study environments for researchers including marine biologists, There are three main types of underwater habitat that are distinguished from one psychologists studying the effects of prolonged periods of isolation in extreme environments, another by how they deal with water and air pressure. The first type, open To access an underwater lab, divers sometimes swim or take submersibles and physiologists studying how life adapts to different pressures. The technologies used and pressure, has an air pressure inside that is equal to the water pressure outside. which then dock with the facility. Shallow habitats may even be accessed by data gleaned from these studies have applications in space research, and in the future Decompression is required for divers returning to the surface from this type of climbing a ladder or taking an elevator. Deep-sea labs have been taken by crane underwater habitats can be used for industrial activity such as mining the deep sea, and facility, but they are able to go in and out of the laboratory on diving missions with from a boat and placed in the sea. In those labs deep underwater, it becomes expansion of these technologies extends humanity’s reach across earth’s biosphere into its relative ease, due to the fact that they don’t need to acclimate to differing dangerous to breathe in the same air as on the surface because the nitrogen oceans. -
'The Last of the Earth's Frontiers': Sealab, the Aquanaut, and the US
‘The Last of the earth’s frontiers’: Sealab, the Aquanaut, and the US Navy’s battle against the sub-marine Rachael Squire Department of Geography Royal Holloway, University of London Submitted in accordance with the requirements for the degree of PhD, University of London, 2017 Declaration of Authorship I, Rachael Squire, hereby declare that this thesis and the work presented in it is entirely my own. Where I have consulted the work of others, this is always clearly stated. Signed: ___Rachael Squire_______ Date: __________9.5.17________ 2 Contents Declaration…………………………………………………………………………………………………………. 2 Abstract……………………………………………………………………………………………………………… 5 Acknowledgements …………………………………………………………………………………………… 6 List of figures……………………………………………………………………………………………………… 8 List of abbreviations…………………………………………………………………………………………… 12 Preface: Charting a course: From the Bay of Gibraltar to La Jolla Submarine Canyon……………………………………………………………………………………………………………… 13 The Sealab Prayer………………………………………………………………………………………………. 18 Chapter 1: Introducing Sealab …………………………………………………………………………… 19 1.0 Introduction………………………………………………………………………………….... 20 1.1 Empirical and conceptual opportunities ……………………....................... 24 1.2 Thesis overview………………………………………………………………………………. 30 1.3 People and projects: a glossary of the key actors in Sealab……………… 33 Chapter 2: Geography in and on the sea: towards an elemental geopolitics of the sub-marine …………………………………………………………………………………………………. 39 2.0 Introduction……………………………………………………………………………………. 40 2.1 The sea in geography………………………………………………………………………. -
Full Document (Pdf 2154
White Paper Research Project T1803, Task 35 Overwater Whitepaper OVERWATER STRUCTURES: MARINE ISSUES by Barbara Nightingale Charles A. Simenstad Research Assistant Senior Fisheries Biologist School of Marine Affairs School of Aquatic and Fishery Sciences University of Washington Seattle, Washington 98195 Washington State Transportation Center (TRAC) University of Washington, Box 354802 University District Building 1107 NE 45th Street, Suite 535 Seattle, Washington 98105-4631 Washington State Department of Transportation Technical Monitor Patricia Lynch Regulatory and Compliance Program Manager, Environmental Affairs Prepared for Washington State Transportation Commission Department of Transportation and in cooperation with U.S. Department of Transportation Federal Highway Administration May 2001 WHITE PAPER Overwater Structures: Marine Issues Submitted to Washington Department of Fish and Wildlife Washington Department of Ecology Washington Department of Transportation Prepared by Barbara Nightingale and Charles Simenstad University of Washington Wetland Ecosystem Team School of Aquatic and Fishery Sciences May 9, 2001 Note: Some pages in this document have been purposefully skipped or blank pages inserted so that this document will copy correctly when duplexed. TECHNICAL REPORT STANDARD TITLE PAGE 1. REPORT NO. 2. GOVERNMENT ACCESSION NO. 3. RECIPIENT'S CATALOG NO. WA-RD 508.1 4. TITLE AND SUBTITLE 5. REPORT DATE Overwater Structures: Marine Issues May 2001 6. PERFORMING ORGANIZATION CODE 7. AUTHOR(S) 8. PERFORMING ORGANIZATION REPORT NO. Barbara Nightingale, Charles Simenstad 9. PERFORMING ORGANIZATION NAME AND ADDRESS 10. WORK UNIT NO. Washington State Transportation Center (TRAC) University of Washington, Box 354802 11. CONTRACT OR GRANT NO. University District Building; 1107 NE 45th Street, Suite 535 Agreement T1803, Task 35 Seattle, Washington 98105-4631 12. -
Supermicar Data Entry Instructions, 2007 363 Pp. Pdf Icon[PDF
SUPERMICAR TABLE OF CONTENTS Chapter I - Introduction to SuperMICAR ........................................... 1 A. History and Background .............................................. 1 Chapter II – The Death Certificate ..................................................... 3 Exercise 1 – Reading Death Certificate ........................... 7 Chapter III Basic Data Entry Instructions ....................................... 12 A. Creating a SuperMICAR File ....................................... 14 B. Entering and Saving Certificate Data........................... 18 C. Adding Certificates using SuperMICAR....................... 19 1. Opening a file........................................................ 19 2. Certificate.............................................................. 19 3. Sex........................................................................ 20 4. Date of Death........................................................ 20 5. Age: Number of Units ........................................... 20 6. Age: Unit............................................................... 20 7. Part I, Cause of Death .......................................... 21 8. Duration ................................................................ 22 9. Part II, Cause of Death ......................................... 22 10. Was Autopsy Performed....................................... 23 11. Were Autopsy Findings Available ......................... 23 12. Tobacco................................................................ 24 13. Pregnancy............................................................ -
Attachment 3 Pre-Dive Checklist
RP-AA-461 Revision 2 Page 20 of 23 ATTACHMENT 3 Pre-Dive Checklist Page 1 of 1 (USED FOR SUBSEQUENT DIVES AFTER CREW'S INITIAL BRIEF. MAY BE PERFORMED INANY ORDER) 1. Complete a pre-job briefing (discussion to include dive area boundaries, dose rate information and task(s)),J 2. Verify two underwater survey instruments are in calibration and source checked and are available, 3. Verify water clarity and underwater lighting adequate. 4. Verify dive site survey is performed (historical survey available for initial dive) and methodology by RP Supervision approved. 5. Verify dive suit is wet prior to diving. 6. Verify dive suyed and meets the requirements of step 4.3.5 7. asVerify plastic helmet bags dosimetry or tape, whichattached could with block wire/pdastic diver's exhalationties, when valve.applicable. Do not use material, such ! . 1. Verify diver dosimetry in proper location (e.g, EDs, TLDs, Extremity, etc.). - 9. Verify remote dosimetry equipment is operational. toOdi veWo"eratio I 17. Verify two-way voice communications are available and operational. a, M ri 11/. Verify approved method of visual contact is available. / 12. Verify survey instrumentation used by diver is operable. s y t an v c 13. Verify in-leakage test of diver suit has been performed.apsp4 14. Verify wiat Diehing air is monitored. S v e 15. Evaluate the need for vacuuming and shielding. •, 16. Ensure all prerequisites of RP-AA-461 are met prior to dive operations. raegain rs 17. Discuss immediate actions for each the following: CO alarm, High Rdd alarm, CAM alarm, diver disorientation, diver signaled to leave, failure of underwater survey instrumentation, diver reaches pre-established dose limits, radiologcical aspects of dive can NOT be maintainedror are suspect ,-•'__. -
Diving Safe Practices Manual
Diving Safe Practices Manual Underwater Inspection Program U.S. Department of the Interior February 2021 Mission Statements The Department of the Interior conserves and manages the Nation’s natural resources and cultural heritage for the benefit and enjoyment of the American people, provides scientific and other information about natural resources and natural hazards to address societal challenges and create opportunities for the American people, and honors the Nation’s trust responsibilities or special commitments to American Indians, Alaska Natives, and affiliated island communities to help them prosper. The mission of the Bureau of Reclamation is to manage, develop, and protect water and related resources in an environmentally and economically sound manner in the interest of the American public. Diving Safe Practices Manual Underwater Inspection Program Prepared by R. L. Harris (September 2006) Regional Dive Team Leader and Chair Reclamation Diving Safety Advisory Board Revised by Reclamation Diving Safety Advisory Board (February 2021) Diving Safe Practices Manual Contents Page Contents .................................................................................................................................. iii 1 Introduction .............................................................................................................. 1 1.1 Use of this Manual ............................................................................................. 1 1.2 Diving Safety ..................................................................................................... -
Mapping CO2 Concentrations Within a Spaceflight Analog Environment Tristan C
ICES-2020-51 Mapping CO2 Concentrations Within A Spaceflight Analog Environment Tristan C. Endsley1, Theodore J. Steiner, III2, Forrest E. Meyen3, Kevin R. Duda4 The Charles Stark Draper Laboratory, Cambridge, MA, 02139 USA Marcum L. Reagan5 NASA Johnson Space Center, Houston, TX, 77058, USA Carbon dioxide (CO2) levels onboard the International Space Station (ISS) have been reported to be as high as 10 times greater than ambient levels in a terrestrial environment, which can harm crew performance and productivity. NASA’s personal CO2 monitor provides ISS astronauts with the ability to monitor the CO2 levels, temperature, and humidity via a body-worn system; however, it lacks localization to determine where the sensor measurements were taken. A CO2 sensor was integrated with the Draper Wearable Kinematic System (WKS)— a self-contained, wearable, and hand-portable system for real-time navigation state estimation. The system was demonstrated operationally within the NASA Extreme Environments Mission Operations (NEEMO) mission 23. The NEEMO missions are conducted in the Aquarius Reef Base underwater research facility, located 19 m below sea level off the coast of Florida. This Earth-based spaceflight analog environment creates a realistic platform through which to examine human performance and simulate operations that are representative of living and working in space. The WKS – assembled primarily from commercial-off-the-shelf equipment – analyzes the monocular vision and inertial measurement unit data to generate a real-time navigation state estimation utilizing the Draper smoothing and mapping with inertial state estimation (SAMWISE) algorithm. The WKS+CO2 sensor system tracked crew position, velocity, and orientation while mapping CO2 concentrations within the underwater habitat as a function of time during normal daily crew activities. -
Underwater Bridge Repair, Rehabilitation, and Countermeasures
Underwater Bridge Repair, Rehabilitation, and Countermeasures Publication No. FHWA-NHI-10-029 Pre-Publication Edition NOTICE This document is disseminated under the sponsorship of the Department of Transportation in the interest of information exchange. The United States Government assumes no liability for its contents or use thereof. The contents of this report reflect the views of the contractor who is responsible for the accuracy of the data presented herein. The contents do not necessarily reflect the official policy of the Department of Transportation. This report does not constitute a standard, specification, or regulation. The United States Government does not endorse products or manufacturers. Trade or manufacturers’ names appear herein only because they are considered essential to the object of this document. The conduct of underwater bridge inspections and repairs may frequently require the use of divers. While this manual contains information on diving equipment, it is neither intended to train personnel in diving nor enumerate all diving safety concerns and regulations. Actual diving operations can be extremely hazardous and should be undertaken only by personnel adequately trained to cope with the conditions that may be encountered. Technical Report Documentation Page 1. Report No. 2. Government Accession No. 3. Recipient’s Catalog No. FHWA-NHI-10-029 4. Title and Subtitle 4. Report Date April 2010 Underwater Bridge Repair, Rehabilitation, and Countermeasures 6. Performing Organization Code: 7. Author(s) 8. Performing Organization Report No. Terence M. Browne, P.E.; Thomas J. Collins, S.E., P.E.; Michael J. Garlich, S.E., P.E.; John E. O’Leary, S.E., P.E.; Katherine C. -
Rising Tides: a Guide to Sea Level Rise and the Coastal Organisms It Will Affect
University of Central Florida STARS CEELAB Children's Books Coastal and Estuary Ecology Lab (CEELAB) 10-2012 Rising Tides: A Guide to Sea Level Rise and the Coastal Organisms It Will Affect Linda Walters University of Central Florida Sydney Katz University of Central Florida Part of the Marine Biology Commons Find similar works at: https://stars.library.ucf.edu/ceelabbooks University of Central Florida Libraries http://library.ucf.edu This Book is brought to you for free and open access by the Coastal and Estuary Ecology Lab (CEELAB) at STARS. It has been accepted for inclusion in CEELAB Children's Books by an authorized administrator of STARS. For more information, please contact [email protected]. STARS Citation Walters, Linda and Katz, Sydney, "Rising Tides: A Guide to Sea Level Rise and the Coastal Organisms It Will Affect" (2012). CEELAB Children's Books. 2. https://stars.library.ucf.edu/ceelabbooks/2 Rising Tides A Guide to Sea Level Rise and the Coastal Organisms It Will Affect The level of the sea is always rising or falling. For the past century, it has been on the rise, and in recent years, the rate of sea level rise has been increasing. This rise has the potential to negatively impact our lives and the survival of many coastal plants and animals. Scientists know sea levels are changing from looking at tide gauges around the United States and comparing yearly averages. Tide gauges record how high and low the water reaches each tidal cycle. Depending on where you live, there will be one or two tidal cycles each day.