Details: drilling and boring pilot hole in any soil strata by manual means, collection of soil samples of different strata met with during drilling at various suitable levels, preservation of samples in polythene bags/sample boxes and disposal of excess soil or mud, including the cost for water etc. as required to maintain the pilot hole properly as per specification and direction of the engineer-in-charge. i) 100 mm dia reaming of pilot hole to an enlarged bore hole in any soil strata by manual means, disposal of excess soil or mud, including the cost for water etc. as required to maintain the pilot hole properly as per specification and direction of the engineer-in-charge.
Sector: Water supply and Sewerage