Tanzania·Buyer: NTYUKA SECONDARY SCHOOLWater well drilling services
Mobilization and demobilization · Septic system construction service · Geographysical and hydrogeological survey · Preparation and submission of ground water report and borehole completion report.the borehole completion report shall incorporate but limited to following item: Sketch drawing of borehole and its UPVC screen and plain casing installation plant, Water strikes zone static water level(SWL),Dynamic water level(DWL) Drawdown(DD),Abstraction point(pump settings),Well recovery time He, Water quality analysis and borehole GPS cordinates · Sampling (3m intervals) and storage of representative drill sample · Well development including surging (well flushing using air lift) until water and the turbidity pesa than 5 NTU · Drilling and reaming of borehole to depth of 150m(it will base on hydrogeological survey report) ensuring minimum sustainable yield of 5 cubic Meter per hours(5m3/hr) · Supply and install 142.4mm(ID) diameter,uPVC plain casing 6" · Survey and installation of cement grouting at depth of 1.5 with the all necessary activities · Supply and install 152.4mm (ID) diameter,uPVC (ID) screen (2-4mm) slot size casing 6" · Support and install filter gravel (quartz 3-5mm) 100kg bag · Supply materials and casing of sanitary seal
Published
24.10.2026
Open for bids
24.10.2026
Deadline
27.10.2026
Provision of labour for general construction services (masonry, carpentry, roofing, electrical, plumbing, interior and exterior finishing)
Open for bids·Oct 25
Provision of labour for general construction services (masonry, carpentry, roofing, electrical, plumbing, interior and exterior finishing)
Open for bids·Oct 25
Provision of labour for general construction services (masonry, carpentry, roofing, electrical, plumbing, interior and exterior finishing)
Open for bids·Oct 25
Provision of labour for general construction services (masonry, carpentry, roofing, electrical, plumbing, interior and exterior finishing)
Open for bids·Oct 24
Provision of labour for general construction services (masonry, carpentry, roofing, electrical, plumbing, interior and exterior finishing)
Open for bids·Oct 23
Provision of labour for general construction services (masonry, carpentry, roofing, electrical, plumbing, interior and exterior finishing)
Open for bids·Oct 23
Supply of building materials for foundation, sub and superstructure
Open for bids·Oct 26
Provision of labour for general construction services (masonry, carpentry, roofing, electrical, plumbing, interior and exterior finishing)
Open for bids·Oct 26
Supply of building materials for foundation, sub and superstructure
Open for bids·Oct 26
Provision of labour for general construction services (masonry, carpentry, roofing, electrical, plumbing, interior and exterior finishing)
Open for bids·Oct 26
Supply of building materials for foundation, sub and superstructure
Open for bids·Oct 26
Supply of building materials for foundation, sub and superstructure
Open for bids·Oct 26
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