bids are invited for hiring of services for 2d seismic survey and all associated jobs in yekona & konda hardola blocks, wardha valley coalfield, district chandrapur, maharashtra.brief scope of work consists of :1. mobilization and demobilization jobs including transportation of seismic vibrator and awd.2. topographic & line survey services including networking from known base stations provided by cmpdi.3. layout of profile lines and marking stations on ground along dip and strike 2d lines.4. daily seismic line layout services & line supervisor services (supplying and fixing of bamboo/ wooden pegs at predetermined station points along profile lines, supplying lime powder & marking survey points on ground, unloading and carrying equipment and accessories, bush cutting, laying down cables, planting geophones/electrodes, connecting seismograph, wrapping and loading all the materials back on vehicle).5. path making for vibrator for vibro/shot points. restoration of medh/land after sweep.6. providing of two vehicles to cmpdi for field work and transportation of manpower.7. deploying one geophysicist for regular field geometry qc and assistance to cmpdi.8. vibrator movement and maintenance including vibrator pusher/operator and mechanic. onsite minor repair and maintenance of seismic equipment and accessories.9. establishing temporary base camp for stationing the seismic equipment, vehicles and vibrator. providing security guards/night watchmen for the safe keeping of the stationed seismic equipment, vehicles and vibrator. daily to and fro transportation of manpower, seismic equipment & accessories from temporary base camp at field site to pre planned profile line of work in the field.10. quality control (qc) on daily basis & services for re-recording if qc fails in data acquisition.detailed scope of work given at annexure-i of tender document