Details: [20.99]supplying and packing graded gravel in bore well of size as per isi 4097, as amended up to date (grade a) and specification attached with this schedule of item of work. the gravel should be free from dust, dirt or vegetable matters. packing to be done from the housing pipe to the bottom of liner all around in the bore and will be placed after liner and housing pipes have been lowered and suitably clamped. thickness and size of the gravel packing will be designed and directed by the engineer-in-charge strictly as per relevant isi. [24.5.1.5]miscellaneous items 1.5. supply and jointing three core submersible flat cables of approved make with bare bunched copper conductor insulated and sheathed with pvc for submersible pump motors /fountain lights etc with voltage grade 1100 volts marked with is:694, 1990 including cost of jointing, materials as well as carriage, loading, unloading etc. complete in all respect up to the entire satisfaction of engineer- in-charge. submersible coppe
Sector: Urban Authority