Surveying - Coal(SMC-R)

QUALIFICATION

INSTRUCTIONS

• NAME- Name in the registration form should be same as in the SSC/MATRICULATION/10th CLASS CERTIFICATE.
• GENDER- Mark the appropriate gender as per your category.
• DATE OF BIRTH- Select the Date of Birth as per the government documents.
• ADDRESS- Write the correct and complete postal mailing address with appropriate PINCODE.
• E-MAIL and MOBILE NO.- Write the correct and active e-mail id and mobile no. During registration, OTP will be sent on you registered e-mail and mobile number.
• PHOTO and SIGNATURE UPLOAD- Make sure you read the instructions properly and follow the correct size and format to update the photos and signature.
• ACKNOWLEDGEMENT- Remember to save the pdf copy of acknowledgement for future purpose.
• DOCUMENTS- Aspirants are advised to keep the scanned copy of photograph (size: 200kb) and signature (size: 200kb) before starting the registration process.
• PAYMENT- Make sure to read instructions properly before making the payment.

SYLLABUS

MINE SURVEYING

Linear Measurement: - Instruments for measuring distance and ranging, units of measurement in surveying.

EDM: - Principles of measurements; types; correction and selection of instrument.

Angular Measurement: - Prismatic compass; bearing of lines; local attraction; magnetic declination.

Dials: - Loose and fast needle surveying; plan table surveying and micro-optic alidade.

Theodolite: - Modern micro-optic theodolites; measurement of horizontal and vertical angles; theodolite traversing; traverse calculation; computation of coordinates; adjustment of traverse; temporary and permanent adjustment; Gyro theodolite; principle and determination of Gyro north; determination of true bearing by equal altitude method, tachometry.

Levelling: - Levelling instruments; types of levelling; characteristics and uses of contours; methods of contouring; booking and reduction methods of contouring; temporary and permanent adjustment of levels.

Use, care, testing and calibration of instruments

Controlled Surveys: - Triangulation; trilateration; application of GPS and Total Station in mine surveying.

Surveys of flat, moderately and steeply inclined and vertical workings; traversing along steep working with or without auxiliary telescopes; 3D laser profiling of bench walls in opencast working.

Theory of Errors and Adjustments: - Causes and classification of errors; indices of precision; laws of weight propagation and adjustment of errors; adjustment of triangulation figures.

National Grid: - Map projection Cassini Lambert’s polyconic and universal transfers Mercator; transformation of coordinates.

Astronomy: - Astronomical triangle; conversion of time systems and precise determination of azimuth by astronomical methods.

Area and Volume Calculation: - Different methods and their limitations; earthwork and building estimation; laying out of rail and haul road curves.

Sampling and reserve calculations.

Dip, strike, fault and outcrop problems, borehole surveying and calculations.

Types of plans and sections for opencast workings and their preparation, care, storage and preservation: Legislation concerning mine plans and sections; duties and responsibilities of surveyors.

Application of computers in mine surveying and preparation of plans.