Showing posts with label Survey. Show all posts
Showing posts with label Survey. Show all posts

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Civil Works
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These Short Courses and Diplomas are Give You The Basic and Advance Knowledge about 
Civil Field Works.


Civil Estimation,Civil Develpments,Construction Engineering
Civil Drawings,Civil Designs,Surveying,Civil Engineering, Civil Engineering Documentries

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ESTIMATOR
PROJECTMANAGEMENT
DRAWINGS
SURVEYING
Safety Officer
Auto Cad
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Studio Max
Nebosh
E-Tab
P-6.1
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Safety Environment

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Civil Estimation,Civil Develpments,Construction Engineering
Civil Drawings,Civil Designs,Surveying,Civil Engineering, Civil Engineering Documentries
Civil Estimation,Civil Develpments,Construction Engineering
Civil Drawings,Civil Designs,Surveying,Civil Engineering, Civil Engineering Documentries
Civil Estimation,Civil Develpments,Construction Engineering
Civil Drawings,Civil Designs,Surveying,Civil Engineering, Civil Engineering Documentries

Eagle Point INTRODUCTION


Eagle Point

INTRODUCTION

Eagle Point (Road Calc) is a design & analysis software which is globally used in Road Projects. In Pakistan, most of big Consultants/Departments and Road Constructions Companies are also having benefit of this software. It is a Windows based user friendly software that runs in association with Auto Cad. Civil Engineers, Sub Engineers (Civil) and Surveyors (Civil) can participate in this training program, they have the opportunity to learn and improve their professional skill through this software.
Eagle point (Road Calc) is help full for Engineers who are directly/indirectly involved in road designing. The software can produce plan & profile drawings, Curve geometry data, Coordinates & elevation, Mass haul diagram sheets and cross section sheets as per defined intervals and international standards. It is equally helpful for those engineers / surveyors who are responsible for the execution of site work like cutting or filling for on going road projects. It can calculate all required data like finished road levels (FRL) sub grade levels, super elevation details etc.

WHO SHOULD ATTEND?

Minimum Matric Should Knowledge of Civil Surveyor

COURSE CONTENTS

SURFACE MODELING

  • Introduction of Eagle Point Software
  • Basic concept of survey
  • Manage Surface Models
  • Import ASCII Points
  • Predefined Boundaries
  • Digitize contours
  • Triangulation

ROAD CALCULATION

PROJECT ALIGNMENT

  • Convert object to Alignment
  • Offset & ROW
  • Generate Technical Reports
  • View Alignment Graphics

What is EPANET?

EPANET is a Windows 95/98/NT program that performs extended period simulation of hydraulic and water-quality behavior within pressurized pipe networks.

A network can consist of pipes, nodes (pipe junctions), pumps, valves and storage tanks or reservoirs. EPANET tracks the flow of water in each pipe, the pressure at each node, the height of water in each tank, and the concentration of a chemical species throughout the network during a simulation period comprised of multiple time steps.

In addition to chemical species, water age and source tracing can also be simulated. The Windows version of EPANET provides an integrated environment for editing network input data, running hydraulic and water quality simulations, and viewing the results in a variety of formats. These include color-coded network maps, data tables, time series graphs, and contour plots.
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Water-CAD Features


Water Distribution Modeling and Management  


WaterCAD Features

WaterCAD is an easy-to-use hydraulic and water quality modeling solution for water distribution systems. It features advanced interoperability, model building, optimization, and asset management tools. From fire-flow and constituent-concentration analyses, to energy-consumption and capital-cost management, WaterCAD helps engineers and utilities analyze, design, and optimize water distribution systems. Water utilities, municipalities and design engineering firms trust WaterCAD as a reliable, resource-saving, decision-support tool for their water infrastructure. They depend upon its robust hydraulic analysis, practical model management, eloquent result interpretation
tools, and unrivaled ease of use.
  • Steady-state simulation
  • Extended-period simulation
  • Constituent-concentration analysis
  • Source tracing
  • Tank-mixing analysis
  • Water-age analysis
  • Fire-flow analysis
  • Rule-based or logical controls
  • Variable-speed pumping
  • Leakage and sprinkler modeling
  • Pressure-dependent demands
  • Scenario modeling-based unidirectional flushing
  • Valve modeling
Easy-to-use Interface
  • Stand-alone interface
  • AutoCAD interface
  • Unlimited undo and redo
  • Element morphing, splitting, and reconnection
  • Automatic element labeling
  • Scaled, schematic, and hybrid environments
  • Element prototypes
  • Aerial view and dynamic zooming
  • Named views library
  • Multiple background-layer support
  • Image, CAD, and GIS background support
Streamlined Model Building and Editing
  • Polyline-to-pipe conversion from DXF files
  • Spreadsheet, database, and ODBC connections
  • Daily, weekly, monthly, and superimposed patterns
  • Unaccounted-for water and leakage estimation
  • Composite demands global edition
  • Area, count, discharge, and population-based loading
  • Pipe length-based demand loading
  • Elevation extraction from CAD drawings and surfaces
  • (AutoCAD interface only)
Comprehensive Scenario Management
Interoperability and Data Connections
  • One set of files for two compatible interfaces
  • Bidirectional synchronized database connections
  • Bidirectional synchronized Shapefile connections
  • Polyline-to-pipe connections from DXF files
  • Spreadsheet, database, and ODBC connections
Results Presentation
  • Thematic mapping
  • Dynamic, multi-parameter, and multi-scenario
  • Graphing
  • Contouring
  • Advance profiling
  • Advanced tabular reporting with FlexTables
  • Property-based color coding and symbology
  • Property-based annotation
Model Management
  • Unlimited scenarios and alternatives
  • Comprehensive scenario management
  • Tree-based scenario and alternative management
  • Scenario and alternative inheritance properties
  • Global attribute tabular edition
  • Sorting and persistent filtering on tabular reports
  • Statistical analysis from tabular reports
  • Automated-model skeletonization
  • Personalized engineering libraries
  • Dynamic and static selection sets
  • Local and global engineering-units management
  • Sub-model management
  • Drawing review tools for connectivity consistency
  • Automatic topology review
  • Orphaned nodes and dead-end pipes queries
Optimization
  • Genetic algorithm calibration, design, and rehabilitation
Energy and Capital Cost Management
  • Energy-cost analysis
  • Capital-cost analysis
  • Automatic design and rehabilitation 


Hydraulic, Fire-flow, Water-quality, and Operations Modeling
Engineers can use WaterCAD’s built-in water-quality features to perform constituent, water-age, tank-mixing and source-trace analysis to develop comprehensive chlorination schedules, simulate mock contamination events, model flow-paced and mass-booster stations, visualize zones of influence for every water source. They can also improve turbidity, taste, and odor by identifying water-blending problems and recommending solutions.
With WaterCAD, users can also automatically determine water availability for fire-protection needs.  They can calculate how much flow is available at any hydrant or group of hydrants in the system, based on pressure and flow constraints dictated by local regulations. Users can quickly and accurately establish the ability of the water network to provide adequate protection against fires. Also, WaterCAD’s rule-based operational controls, variable speed pumping (VSP), leakage and sprinkler modeling, and unidirectional flushing utilities help users find operational bottlenecks, minimize energy consumption, and model real-time operations.
The stand-alone interface offers unparalleled versatility and power with easy–to-use model-layout tools, multiple-background support, conversion utilities from CAD, GIS, and databases, and unlimited undo and redo layout. The AutoCAD interface is designed for users who want a higher level of precision by seamlessly integrating their WaterCAD models in a CAD environment. Engineers can choose between scaled, schematic, and hybrid layout environments to create pipes, junctions, tanks, reservoirs, pumps, and valves. Splitting, morphing, and reconnecting elements can be done on the fly, while automatic labeling, element prototypes, and drawing review tools speed up the model-building process.
WaterCAD users can use virtually any data source to jumpstart the model-building process to get a water distribution model up and running in no time. Users can enter elevation data automatically using 2D & 3D CAD features, digital-elevations models and spot elevations; use CAD drawings to directly create hydraulically connected models; import topology and data from GIS; and create persistent, bidirectional connections between shapefiles, databases, spreadsheets, and the WaterCAD model.
WaterCAD includes a wealth of data management utilities to help shorten workflows and provide more time to analyze results and make decisions once the model is created. Users enjoy flexible tabular reports with global attribute edition, persistent filtering, sorting, statistical analysis, and full tabular personalization; engineering libraries, dynamic and static selection sets; and engineering-unit management.
WaterCAD’s unique Scenario Control Center gives engineers full control to configure, run, evaluate, visualize, and compare an unlimited number of scenarios within a single file. Engineers can consider multiple design, planning, analysis, and operational scenarios to make reliable decisions for their water distribution infrastructure. They can easily set up unlimited modeling scenarios to analyze and compare rehabilitation alternatives for multiple planning horizons, pump control strategies for energy-saving operation, or flushing alternatives for emergency contamination events.


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What is remote sensing?


What is remote sensing?

Remote sensing is the science of obtaining information about objects or areas from a distance, typically from aircraft or satellites.

A LIDAR (Light Detection and Ranging) image created with data collected by NOAA's National Geodetic Service.
Remote sensors collect data by detecting the energy that is reflected from Earth. These sensors can be on satellites or mounted on aircraft.
Remote sensors can be either passive or active. Passive sensors respond to external stimuli. They record radiation that is reflected from Earth’s surface, usually from the sun. Because of this, passive sensors can only be used to collect data during daylight hours.
In contrast, active sensors use internal stimuli to collect data about Earth. For example, a laser-beam remote sensing system projects a laser onto the surface of Earth and measures the time that it takes for the laser to reflect back to its sensor.
Remote sensing has a wide range of applications in many different fields:
  • Coastal applications: Monitor shoreline changes, track sediment transport, and map coastal features. Data can be used for coastal mapping and erosion prevention.
  • Ocean applications: Monitor ocean circulation and current systems, measure ocean temperature and wave heights, and track sea ice. Data can be used to better understand the oceans and how to best manage ocean resources.
  • Hazard assessment: Track hurricanes, earthquakes, erosion, and flooding. Data can be used to assess the impacts of a natural disaster and create preparedness strategies to be used before and after a hazardous event.
  • Natural resource management: Monitor land use, map wetlands, and chart wildlife habitats. Data can be used to minimize the damage that urban growth has on the environment and help decide how to best protect natural resources.
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What is GIS?


What is GIS?

What is GPS?


What is GPS?

GPS stands for Global Positioning System and is a highly accurate navigation system using signals from satellites to determine a location on the Earth's surface, irrespective of weather conditions.
It is dependent on GPS satellites high above the Earth which transmit signals containing the time and location of the satellite. Any ground-based receiver which receives signals from four or more GPS satellites can use navigation equations to calculate its location on the Earth's surface. Constant signaling can then update speed and direction information for moving receivers.
GPS was originally developed for military use but since the 1990s has been open for civilian use and is now used in such common applications as mobile phones, car navigation systems, and of course surveying and mapping.

How is GPS Used in Surveying?

Surveying and mapping was one of the first commercial adaptations of GPS, as it provides a latitude and longitude position directly without the need to measure angles and distances between points.
However, it hasn't entirely replaced surveying field instruments such as the theodolite, Electronic Distance Meter, or the more modern Total Station, due to the cost of the technology and the need for GPS to be able to 'see' the satellites therefore restricting its use near trees and tall buildings.
In practice, GPS technology is often incorporated into a Total Station to produce complete survey data. GPS receivers used for base line measurements are generally more complex and expensive than those in common use, requiring a high quality antenna.
There are three methods of GPS measurement that are utilised by surveyors.
  • Static GPS Baseline. Static GPS is used for determining accurate coordinates for survey points by simultaneously recording GPS observations over a known and unknown survey point for at least 20 minutes. The data is then processed in the office to provide coordinates with an accuracy of better than 5mm depending on the duration of the observations and satellite availability at the time of the measurements.

  • Real Time Kinematic (RTK) Observations. This is where one receiver remains in one position over a known point - the Base Station - and another receiver moves between positions - the Rover Station. The position of the Rover can be computed and stored within a few seconds, using a radio link to provide a coordinate correction. This method gives similar accuracy to baseline measurements within 10km of the base station.

  • Continuously Operating Reference Stations (CORS). This where a survey quality GPS receiver is permanently installed in a location as a starting point for any GPS measurements in the district. Common users of CORS are mining sites, major engineering projects and local governments. Surveyors' GPS receivers can then collect field data and combine it with the CORS data to calculate positions. Many countries have a CORS network that are used by many industries. Australia's CORS network is the Australian Regional GPS Network, and uses an online processing system to deliver data over the internet within 24 hours, and give positions within an accuracy of a few centimetres. Local CORS networks are also used to provide instant positions similar to the RTK method by using a mobile phone data link to provide a coordinate correction to the surveyor and their rover.
We trust that this information is useful for you.
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What is a Total Station?


What is a Total Station?

A Total Station is a modern surveying instrument that integrates an electronic theodolite with an electronic distance meter.
A theodolite uses a movable telescope to measure angles in both the horizontal and vertical planes. Traditionally they are manual instruments that come in two types - transit, which rotates in a full circle in the vertical plane, and non-transit, rotating in a half-circle.
Total Stations use electronic transit theodolites in conjunction with a distance meter to read any slope distance from the instrument to any particular spot. They are hence two essential surveying instruments in one and when used with other technology such as mapping software are able to deliver the 'total' surveying package, from measuring to mapping.

How Have They Changed Surveying?

The development of Total Stations has markedly increased productivity in the surveying profession in the following ways.
First of all, improved accuracy: while co-ordinate measurements by the theodolite are done in the traditional way - trigonometry and triangulation - the angles are measured by means of electro-optical scanning to a high degree of accuracy - up to 0.5 arc-seconds. What's more, a drawback of traditional theodolites is they require a line-of-sight between two points; now GPS technology can be used by a Total Station to include unseen points in the survey.
Other increases in productivity are due to efficiency and functionality. One advantage is that many Total Stations, such as the Leica Viva TS15 used by Jurovich Surveying, are robotic. This means they can be operated at a distance, hence requiring only one surveyor in the field, rather than the traditional two. For example, the robotic controller can stream the Total Station's view to a surveyor at a remote point, who can make measurements and change the target area without returning to the Total Station.
Total Stations also include up-to-date image capture technology, which can record any image or screen-view from the surveying site, eliminating the need for costly revisits, and producing high-resolution images of site conditions.
And did you know that a traditional problem for surveyors is simply wet paper? A Total Station has electronic documentation and sketching functions, which reduces the need for paper field notes.
Finally, the data processed and stored in the Total Station can be downloaded to other computer systems, for archiving or distribution, or to be used with other applications such as mapping software.
In the 21st century, Total Stations have replaced the manual theodolite as the surveyor's essential field tool.
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Career in LAND SURVEYING?


Career in LAND SURVEYING?

In general, people who like surveying also like math—primarily geometry and trigonometry. The field attracts people with geology, forestry, history, engineering, computer science, and astronomy backgrounds, too. High school students interested in surveying should take courses in algebra, geometry, trigonometry, drafting, computer aided drafting (CAD), geography and computer science.
Surveyors get started in their career through many paths. It could be through a summer job, through a class about surveying, or from a family member who knows or who is a surveyor. Many surveyors suggest spending a summer working on a survey crew and asking questions. You don’t have to have a degree or experience to help on a crew as a summer job. It can provide a chance to see what surveying is all about

Land Surveying

Land Surveying


Land Surveying is crucial to responsible land development.

Land Surveyors work with engineers, architects and builders to produce precise descriptions (surveys and maps) of surface features of the Earth.

Land Surveyors perform a variety of vital tasks such as boundary surveys, topographic mapping and construction staking.

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Tags


Civil Drawings,Civil Designs,Surveying,Civil Engineering, Civil Engineering Documentries
Civil Estimation,Civil Develpments,Construction Engineering
Civil Drawings,Civil Designs,Surveying,Civil Engineering, Civil Engineering Documentries