Water well drilling services

Geophysical and Hydrogeological Survey · Domestic water well drilling service · Mobilization and Demobilization · Preparation and submission of ground water rrport and borehole completion. the borehole completion report shall incorporate but limired to following items sketch drawing of borehole and its uPVC screen and plai. casing installatio plan, water strikes zo e static water level (SWL) Dynamic Water level (DWL) Drawdown (DD) Abstraction point (Pump setting) well recovery time Hr, water quality analysis and borehole GPS coorinates · Drilling and reaming of borehole to depth of 150m (it will bas on Hydrogeological survey report) ensuring a minimum sustainable yield of 5 cubic meter per hours (5m3/hr) · Sampling (3m intervals) and storage of representative Drill sample · Supply and install 152.4mm (ID) diameter, uPVC plain casing 6" · Supply and install 152.4mm(ID) diameter,uPVC(ID)screen(2-4mm) slot size casing 6" · Supply and install filter gravel (quartz 3-5mm) 100kg bag · Survey and installation of cement grouting at depth of 1.5 with the all necessary activities · Well development including surging (well flushing using aor lift) until water and the turbidity less than 5 ntu · Supply and installation of inert backfill