Tenders Are Invited For Drilling Of Boreholes

Tenders Are Invited For Drilling Of Three (3) Boreholes One (1) In Koya (Bongo), Limbe Boma, Kenyi Payam Lainya And Two In Yie (One (1) Borehole In Gimara, Lasu Centre Boma, Lasu Payam & One (1) Borehole In Hai Rambo C, Jansuk Boma, Yei Town Payam, Yei River County, Central Equatoria State, South Sudan For Wider Circulation 1 Mobilisation/Demobilisation Of Personnel, Materials And Equipment To The Drilling Site. 1 Ls 2 Geophysical Survey Performs Ves Ground Water Survey, Report Before Drilling Commencement And Clearing Bushes At The Drilling Site. 1 N/A 3 Drilling Borehole At Suitable Diameter Of 6.5" With Depth Of 100M Or Depending On Geophysical Survey And Perform Lithological Logging And Provide Complete. Report. 100 Meter 4 Supply And Install 5" Internal Diameter Upvc Casing 33 Plain And 10 Screened Casing According To The AquiferS Placements, Gravel Pack Analysis And Packing Properly 33 Ps 5 Well Development To Remove Debris From The Borehole, Conduct Pumping Test/Constant Discharge Test, Step Draw Test And Provide A Report On The Pumping Test In The General Report. 6 Hr 6 Install Pedestal With Concrete Mixture Of 1:2:3 Ratio, Including Based Wire Mesh And Allow Enough Curing Time. 1 Stand 7 Construct A Circular/Square Platform With Drainage Channel Measuring 6M Long, With Gradient/Slope Of 2 Including Soak Pit Measuring 1Mx1mx0.8M. With The Following Ratio 1:2:3. 1 N/A 8 Construct A Slanting Standing Platform Either By Concrete Shown In The Drawings Thats To Support Persons With Wheelchair Accessing The Pump Handle. 1 N/A 9 Supply And Install Threaded Upvc Raising Pipes And Stainless Rods, Quantity Depends On Swl Obtaining During Drow Down Test Pumping. 18 Pcs 10 Supply And Install Pump Cylinder Of Indian Mark 11 Or Extra Deep (Mk111) Depending The Results Of Pumping Test. 1 Pcs 11 Supply And Install Pump Head With Accessories (Including Handle), The Water Tanks And Spout (Water Outlet) Should Be Fabricated Such That The Spout And The Pump Handle Are In 90° To Each Other, To Enable Holding Of Water Container And Pumping At The Same Time. Paint Handle Yellow And The Spout. 1 Ass 12 Conduct Borehole Water Analysis To Determine Its Suitability For Drinking That Would Meet The Who/South Sudan Drinking Water Standards. 1 Na 13 Fabricate, Design And Install A Visibility Signpost Measuring (100X120) Cm Board And Stand Of 1.5 Above The Ground. 1 Stand 14 Transportation Of Materials 1 Trip Tender Link : Https://Comms.Southsudanngoforum.Org/C/Tenders

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