Tenders Are Invited For Bore Well Drilling

Quotation Are Invited For Bore Well Drilling For Ghorian Herat. Rotary Or Compressor Bore Well Drilling For Ghorian Project In Herat Province For Unicef Project 1 Well Drilling With Drilling (Rotary) Machine Diameter (16") From 0-100M Depends On Soil Texture. M 100 2 Supply And Installation Of Casing And Filter Pipe (Upvc) Class -E Dia 12 Inch 103Kg/4M Wall Thickness 15-16Mm. The Area Of Filter Joints Should Not Exceed 40% Of The Total Area M 108 3 Supply And Installation Of Centralizers Fitting. For Pipe Dn 12 Pc 9 4 Gravel Packing From Sorted Gravel 3 - 6 Mm Round Washed Gravel . M3 6 5 Back Filling For Casing Pipe Should Be Clay Soil Without Gravel Stone. M3 6 6 Pump Test For Determination Of Discharge Of Well For 24 Hours. Hour 24 7 Compressor Test For Determination Of Discharge And Cleaning Of Well .(Continue The Activity Until The Desired Result) Job 1 8 Block Of Surface Water By Special Clay. M 40 10 Take Sample Of Each Layer Set 1 10 Installation Of Submersible Set 1 Description: Rfq For Bore Well Drilling For Ghorian Herat Close Date: 2022-04-25