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 bore hole properly as per specification and direction of the engineer - in - charge.i) from 100 mm dia pilot hole to 250 mm bore hole providing & lowering of upvc pipe as per is:12818 after washing of the bore hole by manual means as per specification and direction of the engineer - in - charge. i)cm' casing pipe 150 mm dia ii)cm' casing pipe 100 mm dia i)'rs' pipe 100 mm dia providing and fixing of
Sector: School