Tanzania·Buyer: NKULABI PRIMARY SCHOOLWater well drilling services
Domestic water well drilling service · Geophysical and hydrological survey; perform magnetic ptofilling and resistivity measurements and determine most potential and appropriate location for soft water and productive borehole of atleast 6 cubic meter per hour . the ground water survey shall conduct experience hydrogeology and consultatnt/experr · preparation and submission of ground water report and borehole completion report. the borehole completion report shall incorporate but limited to following iteme;sketch drawing of borehole and its uPVC screen and plain casing installation plan, water strikes zone static water level (SWL) dynamic water level (DWL) drawdown (DD), Abstraction point (pumpsetting), well recovery time Hr, water quality analysis and borehole GPS coordinates11 · Mobilization and demobilization · sampling (3m intervals) and storage of represantative Drill sample · Drilling and reaming of borehole to depth of 150m(it will base on hydrogeological survey report) ensuring a minimum sustainable yield of 5 cubic meter per hours (5m3/hr · supply and install 152.4mm (ID) diameter, uPVC (ID) screen (2-4mm) slot size casing 6" · supply and install 152.4mm ( ID) Diameter, uPVC plain casing 6" · supply materials and casing of sanitary seal · supply and installation of inert backfill · well development including surging (well flushing using air lift) until water and the turbidity less than 5 NTU · survey and installation of cement grouting at depth of 1.5 with the all necessary activities
Published
22.10.2026
Open for bids
22.10.2026
Deadline
26.10.2026
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Provision of labour for general construction services (masonry, carpentry, roofing, electrical, plumbing, interior and exterior finishing)
Open for bids·Oct 25
Supply of comprehensive building materials for all construction stages (foundation, structure, finishing and installation)
Open for bids·Oct 25
Supply of building materials for foundation, sub and superstructure
Open for bids·Oct 25
Supply of building materials for foundation, sub and superstructure
Open for bids·Oct 25
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