Basin dry docks are large, fixed structures built into the ground with a dock gate to separate them from surrounding water. There are three main types based on how they resist hydrostatic pressure: full hydrostatic docks use weight/anchoring, fully relieved use drainage, and partially relieved drain under the floor. Basin docks can dock all vessel sizes but have high construction costs and cannot be moved. Common gate types include mitre, flap, sliding caisson, and floating caisson gates.
Presentation on maneuvering and collision avoidance with special focus on large tonnage vessels.
Maneuverability limits and last moment maneuver are thoroughly shown in this material.
This document provides guidelines for preliminary ship design parameter estimation. It discusses selecting main parameters like length, breadth, depth and draft based on owner requirements and stability constraints. Empirical formulas are presented for estimating parameters like displacement, dimensions, form coefficients, block coefficients, and initial stability values. Statistical data analysis and extrapolating from similar ship designs can also help in the first estimates. The relationships between parameters and their influence on ship performance aspects are outlined.
Bulkheads are vertical partitions that divide a ship into compartments. There are three main types: watertight, non-watertight, and oiltight bulkheads. Watertight bulkheads are the most important as they subdivide the ship into watertight spaces and prevent flooding. They are constructed of steel plating and vertical stiffeners. Corrugated bulkheads provide strength with less weight by incorporating swelled plates instead of stiffeners. Bulkheads must be watertight at any openings, which are fitted with doors or penetrations sealed with glands. Proper construction and regular inspection of bulkheads and their openings is vital for subdivision and damage stability.
1. The document provides information on ship construction, including definitions of key ship design terminology and descriptions of basic ship types and designs.
2. It discusses the three main stages of initial ship design - concept, preliminary, and contract design. Key ship dimensions and specifications that are determined at each stage are outlined.
3. Ship types covered include liquid cargo ships, dry cargo ships, passenger ships, offshore vessels, fishing vessels, and naval vessels. The evolution of cargo ship designs over time is summarized.
The document provides an overview of offshore platform design, installation, and structural considerations. It discusses various methods for barge loadout and installation of platforms, including using cranes. It also covers corrosion protection of underwater structures using sacrificial anodes. Foundations depend on soil conditions and loads, with pile penetrations typically ranging from 30 to 100 meters. Structural design considers permanent, operating, environmental, construction, and accidental loads, with environmental loads like waves being dominant.
This document provides an overview of topics related to ship geometry and hydrostatic calculations. It will cover ship lines, displacement calculations, stability concepts, buoyancy principles, and coefficients used in ship design like block coefficient and waterplane area coefficient. Methods for calculating areas, volumes, and centroids like Simpson's rules and trapezoidal rule will be explained. Key terms involved in floatation and stability like center of gravity, center of buoyancy, and reserve buoyancy will also be introduced.
The document discusses numerical methods for calculating fundamental hull geometric properties, including the trapezoidal rule and Simpson's rule. It provides details on calculating properties like waterplane area, sectional area, volume, displacement, longitudinal center of buoyancy, and vertical center of buoyancy using these rules. Hydrostatic curves and tables containing geometric properties as a function of draft are also introduced.
This document discusses concepts related to ship stability including:
- Density and its effects on a ship's volume and displacement. As density increases, volume decreases due to an inverse relationship between density and volume. Displacement increases with density due to a direct relationship.
- The law of floatation and how it relates to a ship's center of gravity, center of buoyancy, draft, and density. It explains how these factors work together to keep a ship floating.
- Static stability and concepts like metacentric height, righting arm, and their relationship to a stable, unstable, or neutral ship. Ship stability depends on maintaining a positive metacentric height and righting moment.
- Additional topics
Presentation on maneuvering and collision avoidance with special focus on large tonnage vessels.
Maneuverability limits and last moment maneuver are thoroughly shown in this material.
This document provides guidelines for preliminary ship design parameter estimation. It discusses selecting main parameters like length, breadth, depth and draft based on owner requirements and stability constraints. Empirical formulas are presented for estimating parameters like displacement, dimensions, form coefficients, block coefficients, and initial stability values. Statistical data analysis and extrapolating from similar ship designs can also help in the first estimates. The relationships between parameters and their influence on ship performance aspects are outlined.
Bulkheads are vertical partitions that divide a ship into compartments. There are three main types: watertight, non-watertight, and oiltight bulkheads. Watertight bulkheads are the most important as they subdivide the ship into watertight spaces and prevent flooding. They are constructed of steel plating and vertical stiffeners. Corrugated bulkheads provide strength with less weight by incorporating swelled plates instead of stiffeners. Bulkheads must be watertight at any openings, which are fitted with doors or penetrations sealed with glands. Proper construction and regular inspection of bulkheads and their openings is vital for subdivision and damage stability.
1. The document provides information on ship construction, including definitions of key ship design terminology and descriptions of basic ship types and designs.
2. It discusses the three main stages of initial ship design - concept, preliminary, and contract design. Key ship dimensions and specifications that are determined at each stage are outlined.
3. Ship types covered include liquid cargo ships, dry cargo ships, passenger ships, offshore vessels, fishing vessels, and naval vessels. The evolution of cargo ship designs over time is summarized.
The document provides an overview of offshore platform design, installation, and structural considerations. It discusses various methods for barge loadout and installation of platforms, including using cranes. It also covers corrosion protection of underwater structures using sacrificial anodes. Foundations depend on soil conditions and loads, with pile penetrations typically ranging from 30 to 100 meters. Structural design considers permanent, operating, environmental, construction, and accidental loads, with environmental loads like waves being dominant.
This document provides an overview of topics related to ship geometry and hydrostatic calculations. It will cover ship lines, displacement calculations, stability concepts, buoyancy principles, and coefficients used in ship design like block coefficient and waterplane area coefficient. Methods for calculating areas, volumes, and centroids like Simpson's rules and trapezoidal rule will be explained. Key terms involved in floatation and stability like center of gravity, center of buoyancy, and reserve buoyancy will also be introduced.
The document discusses numerical methods for calculating fundamental hull geometric properties, including the trapezoidal rule and Simpson's rule. It provides details on calculating properties like waterplane area, sectional area, volume, displacement, longitudinal center of buoyancy, and vertical center of buoyancy using these rules. Hydrostatic curves and tables containing geometric properties as a function of draft are also introduced.
This document discusses concepts related to ship stability including:
- Density and its effects on a ship's volume and displacement. As density increases, volume decreases due to an inverse relationship between density and volume. Displacement increases with density due to a direct relationship.
- The law of floatation and how it relates to a ship's center of gravity, center of buoyancy, draft, and density. It explains how these factors work together to keep a ship floating.
- Static stability and concepts like metacentric height, righting arm, and their relationship to a stable, unstable, or neutral ship. Ship stability depends on maintaining a positive metacentric height and righting moment.
- Additional topics
This document provides definitions and explanations of key concepts related to a ship's transverse stability. It discusses heel and list, stability reference points like the metacenter, center of buoyancy, and center of gravity. It introduces the stability triangle and explains positive, neutral, and negative stability. Key terms are defined, such as displacement, draft, and the laws of buoyancy. Graphs demonstrate concepts like the righting arm curve and how stability changes with angle of heel. The roles of factors like GM, GZ, and the angle of loll in capsizing are also summarized.
This document defines and provides formulas for several coefficients of ship form, including the block coefficient (Cb), midship section coefficient (Cm), waterplane area coefficient (Cw), and prismatic coefficient (Cp). These dimensionless coefficients describe the hull shape and fineness by comparing characteristics like volume, areas, and dimensions to simple geometric shapes like rectangles. Typical values are provided for various ship types.
Speaker: Dr Jinzhu Xia, Head Consultant, Marine, Granherne, Australia
Date: Tuesday, 6 March 2012
Hosted by: WA Oil & Gas Facilities Group a co-venture between Engineers Australia and the Society of Petroleum Engineers (SPE)
An Offshore supply vessel is a multi-task vessel and has to be designed for many different purposes. This is contrary to most other ships used worldwide. In general, the geographical location where the offshore activity takes place is an important indicator of the choice of supply vessel.
Factors like weather conditions, the amount of equipment needed and the distance from the shore are important for what properties the vessel should have. The deep-water oilfield market is becoming more important as the conventional oilfield market in shallow water cannot meet the energy requirements from the consuming market. The Offshore Supply Vessels (hereafter it is called OSVs) market is becoming booming and the demand for OSVs has never reached the extent like today in previous periods.
In this project, an offshore supply vessel will be designed according to ABS Rules.
The document provides information on dry docking procedures for ships, including statutory regulations requiring dry docking at certain intervals. It details the process before, during, and after dry docking, including notifying the dock manager, creating work lists, ensuring stability and draft, connecting services, safety precautions during work, standard and optional repair items, and procedures for entering, working in, and leaving the dry dock. Key steps include surveys; cleaning, painting and inspecting the hull; and overhauling items like anchors, propellers, rudders and valves.
This document discusses ship stability and the factors that determine a vessel's stability. It defines stability as a ship's tendency to return to its original upright position after being inclined by external forces. The key factors that determine a ship's stability are the location of the metacenter (M), center of gravity (G), and center of buoyancy (B). When these points are properly aligned and the metacentric height is sufficient, the ship is in stable equilibrium. However, if the points become misaligned, such as from excessive free surface effect, the ship's stability can be compromised. Maintaining proper stability is important for safety and commercial decisions regarding cargo capacity and vessel allocation.
This document discusses mooring operations and safety. It addresses hazards like snap back zones, improper work processes, and crew competence. It describes the purpose of mooring lines in controlling forces from wind, current, tides and passing ships. Guidelines are provided for effective use of lines and mooring equipment like bollards, rope stoppers, and winches. The importance of communication, preparation, and following procedures is emphasized to promote safety culture during mooring operations.
The keel forms the backbone of the ship and contributes to longitudinal strength. Common keel types include the flat plate keel and bar keel. The hull uses frames, plate floors, and a keel plate to strengthen the structure. A double bottom creates extra strength and space for piping and tanks. Machinery is mounted on reinforced seats with the engine connected to brackets and lugs. The stern frame supports the rudder and propeller shaft. Additional structures like panting beams further reinforce the hull.
This document discusses ship stability, which is one of the most important aspects to consider for safe navigation. It defines stability as a ship's ability to return to its initial position after being heeled by external forces like wind or waves. The document outlines the concepts of static stability and dynamic stability. It explains that a ship's stability depends on the positions of its center of gravity (G) and metacenter (M), noting there can be stable, neutral, or unstable equilibrium depending on their relative heights. Key terms like metacentric height, GM, KG, and KM are defined in relation to calculating a ship's stability. Safe cargo loading and distribution of weights is emphasized as important for maintaining proper stability.
This document provides design details for an oil tanker ship with the following specifications:
- Ship Type: Oil Tanker
- DWT: 2900 tonnes
- Route: Chittagong to Dhaka
- Speed: 10 knots
It includes the principal particulars, general arrangement, lines plan, offset table, and designs for the rudder, steering gear, resistance and power calculations, engine and gearbox selection, engine foundation, propeller shaft, and propeller. The summaries provide key technical specifications and selections for the main ship components to meet the design objectives.
El documento resume los principales elementos estructurales de una embarcación. La quilla es la pieza central y más importante sobre la que se construye el resto de la estructura. Otras piezas clave incluyen las cuadernas, baos, codaste y longitudinales, que junto con la quilla y otras piezas ayudan a dar forma al casco y soportar las cargas.
This document describes hydrostatic and stability calculation programs contained in Volume 3. It provides details on:
1) Hydrostatic tables for even keel and trim, intact stability calculations including criteria evaluation, floodable length curves, launching calculations, tonnage calculation, and Bonj-Jean data.
2) The data sheets used to define the calculations and output formatting.
3) Options for calculating hydrostatic data and stability for different draft, trim, and heel positions to ensure accurate results.
This document provides guidance on conducting accurate draught surveys to measure bulk cargoes. It outlines best practices for reading draught marks, accounting for vessel trim, water density, ballast levels, and other factors. Key steps include taking multiple water samples at various depths, using calibrated equipment, and sounding all tanks to minimize cumulative errors. Following the procedures can achieve an accuracy of +/- 0.5% when measuring cargo quantities. Close cooperation with vessel officers and accounting for weather conditions are also emphasized.
The Presentation explains the early stage ship design process (Concept and preliminary design) for students to accomplish their ship design projects.
Fields: Naval Architecture, Marine and Ocean engineering.
These presentation slides needs more refinement and articulation and they will be updated in later versions of lecture.
LIFE SAVING APPLIANCES by Capt Aung Myin MoeCaptAMM
The monthly inspections are still required but the physical inspection can be replaced by a visual inspection of the packaging. Any packages showing damage or deterioration must be opened and the suit inspected physically.
The document provides details about the grounding of the passenger ship Royal Majesty in 1995 off Nantucket Island, Massachusetts. It describes how the ship was sailing 17 nautical miles off course after the GPS system had reverted to dead reckoning mode unnoticed by the officers. Upon arrival near Nantucket, the ship passed navigation buoys incorrectly and was sailing in incorrect depths. The ship ultimately grounded on Rose and Crown Shoal with 1,509 people on board. An investigation found the grounding was caused by over-reliance on automated systems, lack of training, deficiencies in the integrated bridge system, and failure of the second officer to take corrective action when cues indicated the ship was off course. Contributing
A Presentation on Stability of vessels/ships using Autohydro software and the basic calculations involved.Was prepared for training related activities.
Prepared by:Vipin Devaraj,
38Th RS,
Dept Of Ship Technology,
Cusat,INDIA
contact:vipindevaraj94@gmail.com
El documento habla sobre Sor Juana Inés de la Cruz y la biblioteca. Menciona que en la biblioteca hay mucha información disponible para estudiar en grupo y comentar dudas, y que navegar en el mundo de los libros hace a la persona muy feliz.
This document provides definitions and explanations of key concepts related to a ship's transverse stability. It discusses heel and list, stability reference points like the metacenter, center of buoyancy, and center of gravity. It introduces the stability triangle and explains positive, neutral, and negative stability. Key terms are defined, such as displacement, draft, and the laws of buoyancy. Graphs demonstrate concepts like the righting arm curve and how stability changes with angle of heel. The roles of factors like GM, GZ, and the angle of loll in capsizing are also summarized.
This document defines and provides formulas for several coefficients of ship form, including the block coefficient (Cb), midship section coefficient (Cm), waterplane area coefficient (Cw), and prismatic coefficient (Cp). These dimensionless coefficients describe the hull shape and fineness by comparing characteristics like volume, areas, and dimensions to simple geometric shapes like rectangles. Typical values are provided for various ship types.
Speaker: Dr Jinzhu Xia, Head Consultant, Marine, Granherne, Australia
Date: Tuesday, 6 March 2012
Hosted by: WA Oil & Gas Facilities Group a co-venture between Engineers Australia and the Society of Petroleum Engineers (SPE)
An Offshore supply vessel is a multi-task vessel and has to be designed for many different purposes. This is contrary to most other ships used worldwide. In general, the geographical location where the offshore activity takes place is an important indicator of the choice of supply vessel.
Factors like weather conditions, the amount of equipment needed and the distance from the shore are important for what properties the vessel should have. The deep-water oilfield market is becoming more important as the conventional oilfield market in shallow water cannot meet the energy requirements from the consuming market. The Offshore Supply Vessels (hereafter it is called OSVs) market is becoming booming and the demand for OSVs has never reached the extent like today in previous periods.
In this project, an offshore supply vessel will be designed according to ABS Rules.
The document provides information on dry docking procedures for ships, including statutory regulations requiring dry docking at certain intervals. It details the process before, during, and after dry docking, including notifying the dock manager, creating work lists, ensuring stability and draft, connecting services, safety precautions during work, standard and optional repair items, and procedures for entering, working in, and leaving the dry dock. Key steps include surveys; cleaning, painting and inspecting the hull; and overhauling items like anchors, propellers, rudders and valves.
This document discusses ship stability and the factors that determine a vessel's stability. It defines stability as a ship's tendency to return to its original upright position after being inclined by external forces. The key factors that determine a ship's stability are the location of the metacenter (M), center of gravity (G), and center of buoyancy (B). When these points are properly aligned and the metacentric height is sufficient, the ship is in stable equilibrium. However, if the points become misaligned, such as from excessive free surface effect, the ship's stability can be compromised. Maintaining proper stability is important for safety and commercial decisions regarding cargo capacity and vessel allocation.
This document discusses mooring operations and safety. It addresses hazards like snap back zones, improper work processes, and crew competence. It describes the purpose of mooring lines in controlling forces from wind, current, tides and passing ships. Guidelines are provided for effective use of lines and mooring equipment like bollards, rope stoppers, and winches. The importance of communication, preparation, and following procedures is emphasized to promote safety culture during mooring operations.
The keel forms the backbone of the ship and contributes to longitudinal strength. Common keel types include the flat plate keel and bar keel. The hull uses frames, plate floors, and a keel plate to strengthen the structure. A double bottom creates extra strength and space for piping and tanks. Machinery is mounted on reinforced seats with the engine connected to brackets and lugs. The stern frame supports the rudder and propeller shaft. Additional structures like panting beams further reinforce the hull.
This document discusses ship stability, which is one of the most important aspects to consider for safe navigation. It defines stability as a ship's ability to return to its initial position after being heeled by external forces like wind or waves. The document outlines the concepts of static stability and dynamic stability. It explains that a ship's stability depends on the positions of its center of gravity (G) and metacenter (M), noting there can be stable, neutral, or unstable equilibrium depending on their relative heights. Key terms like metacentric height, GM, KG, and KM are defined in relation to calculating a ship's stability. Safe cargo loading and distribution of weights is emphasized as important for maintaining proper stability.
This document provides design details for an oil tanker ship with the following specifications:
- Ship Type: Oil Tanker
- DWT: 2900 tonnes
- Route: Chittagong to Dhaka
- Speed: 10 knots
It includes the principal particulars, general arrangement, lines plan, offset table, and designs for the rudder, steering gear, resistance and power calculations, engine and gearbox selection, engine foundation, propeller shaft, and propeller. The summaries provide key technical specifications and selections for the main ship components to meet the design objectives.
El documento resume los principales elementos estructurales de una embarcación. La quilla es la pieza central y más importante sobre la que se construye el resto de la estructura. Otras piezas clave incluyen las cuadernas, baos, codaste y longitudinales, que junto con la quilla y otras piezas ayudan a dar forma al casco y soportar las cargas.
This document describes hydrostatic and stability calculation programs contained in Volume 3. It provides details on:
1) Hydrostatic tables for even keel and trim, intact stability calculations including criteria evaluation, floodable length curves, launching calculations, tonnage calculation, and Bonj-Jean data.
2) The data sheets used to define the calculations and output formatting.
3) Options for calculating hydrostatic data and stability for different draft, trim, and heel positions to ensure accurate results.
This document provides guidance on conducting accurate draught surveys to measure bulk cargoes. It outlines best practices for reading draught marks, accounting for vessel trim, water density, ballast levels, and other factors. Key steps include taking multiple water samples at various depths, using calibrated equipment, and sounding all tanks to minimize cumulative errors. Following the procedures can achieve an accuracy of +/- 0.5% when measuring cargo quantities. Close cooperation with vessel officers and accounting for weather conditions are also emphasized.
The Presentation explains the early stage ship design process (Concept and preliminary design) for students to accomplish their ship design projects.
Fields: Naval Architecture, Marine and Ocean engineering.
These presentation slides needs more refinement and articulation and they will be updated in later versions of lecture.
LIFE SAVING APPLIANCES by Capt Aung Myin MoeCaptAMM
The monthly inspections are still required but the physical inspection can be replaced by a visual inspection of the packaging. Any packages showing damage or deterioration must be opened and the suit inspected physically.
The document provides details about the grounding of the passenger ship Royal Majesty in 1995 off Nantucket Island, Massachusetts. It describes how the ship was sailing 17 nautical miles off course after the GPS system had reverted to dead reckoning mode unnoticed by the officers. Upon arrival near Nantucket, the ship passed navigation buoys incorrectly and was sailing in incorrect depths. The ship ultimately grounded on Rose and Crown Shoal with 1,509 people on board. An investigation found the grounding was caused by over-reliance on automated systems, lack of training, deficiencies in the integrated bridge system, and failure of the second officer to take corrective action when cues indicated the ship was off course. Contributing
A Presentation on Stability of vessels/ships using Autohydro software and the basic calculations involved.Was prepared for training related activities.
Prepared by:Vipin Devaraj,
38Th RS,
Dept Of Ship Technology,
Cusat,INDIA
contact:vipindevaraj94@gmail.com
El documento habla sobre Sor Juana Inés de la Cruz y la biblioteca. Menciona que en la biblioteca hay mucha información disponible para estudiar en grupo y comentar dudas, y que navegar en el mundo de los libros hace a la persona muy feliz.
This document discusses the management of periorbital and orbital cellulitis in pediatric patients. It defines pre-septal and orbital cellulitis and notes that distinguishing between the two based on clinical examination alone can be difficult. Investigations like blood tests and imaging are important to accurately diagnose the condition and assess for complications. Treatment involves a multi-disciplinary approach between ophthalmology, ENT, and other specialists using intravenous antibiotics, sometimes along with surgical drainage of abscesses. The goal is to establish the correct diagnosis and treatment to prevent vision loss or other serious complications.
This study reviewed 92 pregnant women with acute brucellosis at a Saudi Arabian hospital between 1983-1995. The incidence of spontaneous abortion in the first and second trimesters was 43%, and the incidence of intrauterine fetal death in the third trimester was 2%. Antepartum antimicrobial therapy with cotrimoxazole or cotrimoxazole/rifampin was protective against spontaneous abortion, with a relative risk of 0.14. Treatment was most beneficial for women presenting with febrile illness; vaginal bleeding at presentation usually led to spontaneous abortion. This demonstrates that brucellosis increases the risk of spontaneous abortion in pregnant women and prompt antimicrobial treatment is important.
This document provides guidance on creating and distributing press releases. It explains that the goal of public relations (PR) is to recognize achievements and help with advocacy through praise and information sharing. PR can take various forms, including raw information, popularized news articles, and non-print formats like video and audio. It recommends establishing relationships with media personnel and organizing press conferences to distribute press releases and other materials. Proper preparation of talking points and press kits can help get coverage. Overall, the document outlines best practices for crafting and circulating PR to inspire and inform the public.
This document describes an Automated Foundation Engineering System (AFES) that aims to automate and streamline the foundation design process. It discusses how foundation design currently involves complex, repetitive work done across multiple programs. AFES integrates various design steps and allows automatic transfer of data between programs to simplify the process. The key benefits outlined are significant improvements in productivity through reduced design time, improved quality, and standardized outputs like reports, drawings and 3D models. A demo of AFES importing data from STAAD.Pro and automatically generating foundation designs, reports and drawings is also provided. Future enhancements discussed include integrating additional analysis programs and expanding foundation type coverage.
This document provides a training manual for shipboard sampling and laboratory analyses as part of the Guinea Current Large Marine Ecosystem Project. The manual aims to build capacity for routine marine pollution monitoring. It covers topics such as safety, general notes on sampling at sea using equipment like Nansen bottles and grabs, measuring parameters like temperature, dissolved oxygen, and nutrients. Procedures are described for sampling water and sediments, as well as analyzing samples for bacteria, heavy metals, hydrocarbons and other contaminants. The overall goal is to train scientists in monitoring, prevention and control of marine pollution in the Guinea Current region.
The document provides a geotechnical baseline report for the Caldecott Improvement Project's Fourth Bore tunnel (Bore No. 4) in California. It summarizes that Bore No. 4 will be constructed through sedimentary and volcanic rock formations between 13-8 million years old, including the Sobrante Formation, Claremont Formation, and Orinda Formation. The tunnel alignment crosses a seismically active region with major faults like the Hayward fault nearby. The report establishes ground classes that describe anticipated tunnel ground conditions to aid tunnel construction.
This document provides guidance for conducting a structural analysis using the SafeHull-Dynamic Loading Approach (SH-DLA) classification notation. SH-DLA allows for structural assessment based on direct calculations of design loads and strength criteria using first principles, as an alternative to the criteria specified in the ABS Rules for Building and Classing Steel Vessels. The analysis procedure involves determining load cases considering ship speed, loading conditions, dominant load parameters; calculating response amplitudes using linear and nonlinear seakeeping analysis; determining long-term responses; defining equivalent design waves; calculating external and internal pressures; modeling container and lightship loads; performing finite element analysis; and verifying acceptance criteria for yielding, buckling and ultimate strength.
This document provides guidance for the optional classification notation "SafeHull-Dynamic Loading Approach" (SH-DLA) for vessels intended to carry oil, ore, bulk cargoes, containers, or liquefied gases. It describes the DLA analysis procedure, which uses first-principle direct calculations to determine design loads and structural strength criteria. The document outlines procedures for load case development, environmental conditions, response amplitude operator analysis, long-term response calculation, and equivalent design wave determination.
This document provides guidance for volunteer weather observers in the National Weather Service Cooperative Observer Program. It details the types of weather observations collected, such as precipitation and temperature, and how to properly maintain observation equipment and record data. The Cooperative Observer Program is the oldest and largest network of weather observers, with over 11,000 volunteers collecting daily weather reports across the United States that are vital for climate monitoring, forecasting, and emergency preparedness.
Study hydraulic fracturing study inglewood field10102012cr7madrid
This document provides a hydraulic fracturing study for the Plains Exploration & Production Company's Inglewood Oil Field in Los Angeles County, California. It was prepared by Cardno ENTRIX for Plains Exploration and the Los Angeles County Department of Regional Planning. The study examines past and future hydraulic fracturing and gravel packing activities at the oil field. It also summarizes monitoring conducted during hydraulic fracturing operations and evaluates potential environmental effects, including impacts to water resources, well integrity, slope stability, methane levels, emissions, noise, and health. The regulatory framework for hydraulic fracturing in California is also reviewed.
This document presents a feasibility study for the development of a marina in the Andaman and Nicobar Islands on a PPP basis. It analyzes potential sites for the marina and recommends Viper Island as the preferred location. The study includes a market assessment of the tourism and boating potential in the islands as well as marinas in Southeast Asia. It also provides a detailed project plan and cost estimates for developing the marina facilities and support infrastructure. A financial analysis projects revenue and costs over the project lifetime to evaluate project viability.
This DNV document outlines the technical standards, as developed by DNV, aimed at floating gas temrinals. Similar standards can be found in DNV.COM website, under "Resources".
This document provides an overview of reverse osmosis and nanofiltration membrane technology. It discusses the historical background of reverse osmosis development. It also outlines different desalination technologies and their typical operating ranges in terms of salinity, including reverse osmosis and nanofiltration. The document is a technical manual for FilmTec reverse osmosis membranes that describes the basics of reverse osmosis operation and membrane performance.
This document is Volume II of the CNMI and Guam Stormwater Management Manual. It provides guidance on selecting and designing effective stormwater treatment systems. Chapter 2 describes a 6-step process for selecting the most suitable stormwater BMP for a site based on land use, physical constraints, watershed factors, stormwater management needs, pollutant removal requirements, and community/environmental considerations. Subsequent chapters provide details on non-structural BMPs (Chapter 3), design examples (Chapter 4), landscaping guidance (Chapter 5), design specifications (Chapter 6), maintenance plans (Chapter 7), soils information (Chapter 8), and additional design tools (Chapter 9).
This document provides guidelines for rainwater harvesting in Georgia. It discusses the purpose of rainwater harvesting systems and compliance with state and local codes. It also introduces the American Rainwater Catchment Systems Association (ARCSA), a key organization for information on rainwater harvesting best practices and standards. The introduction chapter provides background on water scarcity globally and the importance of rainwater harvesting for water conservation and management given population growth and climate change.
This document provides guidelines for rainwater harvesting in Georgia. It discusses the purpose of rainwater harvesting systems and compliance with state and local codes. It also introduces the American Rainwater Catchment Systems Association (ARCSA), a key organization for information on rainwater harvesting best practices and standards. The introduction chapter provides background on water scarcity globally and the importance of rainwater harvesting for water conservation and management given population growth and climate change.
1) Many groups presented file replication systems they have developed and are using in production, including JLAB, SRB, Globus, GDMP, MAGDA, SAM, STAR, and BaBar.
2) The systems utilize various components like replica catalogs, file transfer services, storage interfaces, and scheduling/management layers to provide robust file replication capabilities.
3) Key topics of discussion included interfaces and standards for replication services, error handling, reliability, performance, and experience from different experiments. Groups expressed interest in further collaboration in these areas.
This document outlines an energy management and environmental plan for the Waterloo Catholic District School Board (WCDSB) developed in collaboration with VIP Energy Services. It includes an analysis of the WCDSB's current energy performance and carbon footprint compared to other boards. It also describes various energy conservation measures already implemented by the WCDSB, such as solar panels, efficient lighting and boiler replacements. The plan proposes additional opportunities to improve the WCDSB's environmental stewardship, such as green purchasing policies, green cleaning guidelines, and expanding environmental education programs. It provides best practices for energy savings and outlines how to evaluate costs and benefits of new sustainability initiatives.
This document is a thesis submitted by Aaron Outhwaite to Dalhousie University in partial fulfillment of the requirements for a Master of Applied Sciences degree. The thesis characterizes the design and modeling of a building-integrated microalgae photobioreactor (BIMP) system. It discusses BIMP design fundamentals, including growth limiting factors like light, temperature, nutrients, and carbon. It also covers BIMP modeling fundamentals, growth rate expressions, and dynamics of light, temperature, nutrients, and carbon dioxide in the system. Several chapters then present mathematical models of light and temperature dynamics in a BIMP and results of the models.
Djibouti lake assal salt_project_eia_report_nov 2008Parti Djibouti
This document presents an environmental impact assessment for expanding salt mining operations at Lake Assal in Djibouti. It describes the existing salt mining process and proposes increasing annual salt production from 1 million to 6 million tons. The expansion would involve 4 sites: 1) the lake site for harvesting, processing and storage; 2) an access road from the lake to the coast; 3) an accommodation/maintenance site; and 4) a storage and ship loading site on the coast. The document describes the biophysical, socioeconomic and cultural environment that could be affected. It identifies potential impacts of the expansion, such as effects on water resources, vegetation removal, dust/emissions, and economic opportunities. An evaluation of impacts is also presented
This document provides guidance on chemistry practical experiments for advanced level students. It covers topics like volumetric analysis, acid-base titrations, redox titrations, determination of physical chemistry properties using experiments, and qualitative analysis of inorganic and organic compounds. The document was written by Muduku Ivan and contains detailed procedures and requirements for various chemistry experiments that advanced level chemistry students would perform.
The document is a 78-page master's thesis on completion technologies. It begins with an abstract stating that completion costs have become a larger proportion of total well costs as wells have become more challenging. It then provides a table showing completion accounts for over 50% of total well construction time. The thesis will review different completion techniques to overcome issues with horizontal wells, with emphasis on those commonly used in Norway. It acknowledges assistance from industry professionals and its supervisor.
This document provides guidance on assessing vessel maneuverability in accordance with International Maritime Organization (IMO) standards. It describes optional class notations related to maneuverability that can be assigned by the American Bureau of Shipping (ABS). The guide outlines the required maneuvers and criteria to evaluate maneuvering performance, including turning ability, initial course changing, stopping ability, and straight-line stability. It provides definitions and recommendations for predicting maneuverability, conducting sea trials, presenting onboard information to crews, and reporting results. The overall aim is to help vessels comply with IMO standards on maneuverability.
Prescriptive analytics BA4206 Anna University PPTFreelance
Business analysis - Prescriptive analytics Introduction to Prescriptive analytics
Prescriptive Modeling
Non Linear Optimization
Demonstrating Business Performance Improvement
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2. DOCKMASTER’S TRAINING SEMINAR
TABLE OF CONTENTS
LECTURE NOTES
SECTION 1 – DRY DOCK TYPES Page
1.1 Basin Dry Docks............................................................................................................1-2
1.2 Floating Dry Docks........................................................................................................1-13
1.3 Marine Railways............................................................................................................1-35
1.4 Vertical Lifts...................................................................................................................1-46
1.5 Marine Travel Lifts.........................................................................................................1-49
SECTION 2 – DOCKING PLAN
2.1 Docking Plan .................................................................................................................2-1
2.2 Modifying the Docking Plan...........................................................................................2-12
2.3 When There is No Docking Plan ...................................................................................2-15
SECTION 3 – SHIP CHARACTERISTICS IMPORTANT TO DRY DOCKING
3.1 Dimensions & Clearances.............................................................................................3-1
3.2 Ship Strength.................................................................................................................3-2
3.3 Hydrostatic Properties...................................................................................................3-4
3.4 Calculation of Displacement..........................................................................................3-4
3.5 Longitudinal Center of Buoyancy (LCB)........................................................................3-8
3.6 KM & Stability................................................................................................................3-11
3.7 KB..................................................................................................................................3-13
3.8 Stern reference Point (SRP)..........................................................................................3-13
3.9 Aft Perpendicular (FP and Forward Perpendicular (FP)................................................3-13
3.10 Amidships......................................................................................................................3-13
SECTION 4 – BLOCK LOADING
4.1 Block’s Initial Height Relative to the Others ..................................................................4-1
4.2 Bearing Area of Ship on Block ......................................................................................4-3
4.3 Types of Materials.........................................................................................................4-4
4.4 Position of Block Under the Ship and Weight of Ship ...................................................4-5
4.5 Trapezoidal Loading Equation.......................................................................................4-8
4.6 Interrupted Keel Bearing ...............................................................................................4-11
4.7 Varying Width Keel........................................................................................................4-20
4.8 No. Of Side Blocks Required to Resist Hurricane Forces.............................................4-28
4.9 No. Of Side Blocks Required to Resist Earthquake Forces ..........................................4-33
SECTION 5 – STABILITY
5.1 Stability of Vessel Afloat................................................................................................5-1
5.2 Stability of Vessel at Time of Keel Touch Down............................................................5-7
5.3 Stability of Vessel at Time of Hauling Side Blocks........................................................5-10
5.4 Draft at 0 GM (Point of Instability ..................................................................................5-12
5.5 Vessel Stability at Undocking........................................................................................5-12
5.6 Example of Grounding Stability Calculations ................................................................5-14
5.7 Stability of Floating Docks.............................................................................................5-19
5.8 Multiplication Effect .......................................................................................................5-25
i
3. DOCKMASTER’S TRAINING SEMINAR
TABLE OF CONTENTS
SECTION 6 – PREDICTING VESSEL CONDITION AT UNDOCKING Page
6.1 Establishing the Baseline Docking Condition................................................................6-1
6.2 Tracking the Effects of Weight Changes.......................................................................6-8
6.3 Calculating Vessel Drafts at Float Off ...........................................................................6-9
6.4 Calculating Vessel Stability at Float Off ........................................................................6-11
6.5 Calculating Vessel List at Float Off ...............................................................................6-12
6.6 Summary of Vessel Condition at Float Off ....................................................................6-12
SECTION 7 – BLOCK CONSTRUCTION
7.1 Principles & Concepts ...................................................................................................7-1
7.2 Types of Blocks.............................................................................................................7-2
7.3 Blocking Material...........................................................................................................7-4
7.4 Fastenings.....................................................................................................................7-8
7.5 Construction of Keel Blocks ..........................................................................................7-8
7.6 Construction of Side Blocks ..........................................................................................7-13
SECTION 8 – DOCKING PROCEDURES
8.1 Advance Preparation.....................................................................................................8-1
8.2 Preparation of the Docking Facility................................................................................8-2
8.3 Pre-Docking Checks......................................................................................................8-2
8.4 The Docking Operation .................................................................................................8-3
8.5 Post-Docking Checks....................................................................................................8-4
SECTION 9 – VESSEL HANDLING
9.1 Vessel Handling ............................................................................................................9-1
9.2 Ropes............................................................................................................................9-2
SECTION 10 – DEVELOPING A PUMPING PLAN
10.1 Selecting Dock Drafts for Pumping Plan .......................................................................10-1
10.2 Determining the Load on the Compartments ................................................................10-3
10.3 Determining the Height of Internal Water......................................................................10-6
10.4 Using Lift Curves in Developing a Pumping Plan..........................................................10-7
10.5 Using the Lift Curves.....................................................................................................10-9
10.6 Effects of Venting on Tank Level Readings ..................................................................10-10
SECTION 11 – DRY DOCK CERTIFICATIONS
11.1 Commercial Certification ...............................................................................................11-2
11.2 U.S. Navy Certification ..................................................................................................11-3
11.3 Time Frame for Navy Certification.................................................................................11-7
11.4 Re-certification ..............................................................................................................11-7
11.5 Maintenance Program...................................................................................................11-8
ii
4. DOCKMASTER’S TRAINING SEMINAR
iii
TABLE OF CONTENTS
SECTION 12 – DRY DOCK RATINGS Page
12.1 Rating of Floating Docks ...............................................................................................12-1
12.2 Rating of Basin Docks...................................................................................................12-3
12.3 Rating of Marine Railways.............................................................................................12-3
12.4 Rating of Vertical Lift .....................................................................................................12-4
SECTION 13 – DRY DOCK INSPECTIONS
13.1 Floating Dock Inspections .............................................................................................13-1
13.2 Marine Railway Inspections...........................................................................................13-10
13.3 Basin Dock Inspections.................................................................................................13-21
13.4 Block Inspections ..........................................................................................................13-25
SECTION 14 – DRY DOCK TRANSFER SYSTEMS
14.1 Transfer Arrangement ...................................................................................................14-1
14.2 Transfer to and from Floating Docks.............................................................................14-2
14.3 Transfer to and from Marine Railways / Vertical Lifts....................................................14-4
14.4 Transfer Cars ................................................................................................................14-5
14.5 Propulsion Methods.......................................................................................................14-5
SOLVED PROBLEMS
1. Docking a Patrol Boat on a Marine Travel Lift...............................................................A 1-1
2. Elastic Deflection of Blocks ...........................................................................................A 2-1
3. Calculating Side Block Loads........................................................................................A 3-1
4. Reduction of High Intensity Load by adding Ballast......................................................A 4-1
5. Reduction of High Intensity Load by adding Support ....................................................A 5-1
6. Interrupted Keel Bearing (Block Omissions) .................................................................A 6-1
7. Varying Width Keel Bearing ..........................................................................................A 7-1
8. Computation of Knuckle Reaction.................................................................................A 8-1
9. Preparation of a Pumping Plan .....................................................................................A 9-1