Quotation Are Invited For Drilling Of Boreholes Under Water Resources Funds In Chiradzulu South, West And Ea ... in Malawi

Work Detail

Quotation are invited for Drilling of Boreholes under Water Resources Funds in Chiradzulu South, West and East Constituency 1.1 Mobilization and demobilization of manpower, equipment & construction materials L.S 1 1.2 Site preparation & rigging up before drilling and site clearing and rigging down after drilling L.S 1 1.3 Hydrogeological assessment and geophysical survey for borehole siting including report L.S 1 2. BOREHOLE DRILLING 2.1 Drilling the first 20m depth M 20 2.2 Drilling from 20m downwards M 30 2.3 Backfill unsuccessful BHs No 1 3. WELL LOGGING 3.1 Lithological logging L.S 1 3.2 Electrical logging L.S 1 4. SUPPLY AND INSTALLATION OF MATERIALS 4.1 Supply and installation of 113mm outlet diameter UPVC casing including bail plug and centralizer as specified m 28 4.2 Ditto but screen including centralizers as specified m 22 5. GRAVEL PACKING AND WELL DEVELOPMENT 5.1 Supply and packaging well sorted as described in the specification m³ 0.6 5.2 Supply and place puddle clay seal as described in the specification L.S 1 5.3 Well cleaning & development as described in the specification Hr. 4 6. PUMPING TEST 6.1 Conduct constant pumping test as described in the speciation Hr. 4 6.2 Recovery tests as described in the specification Hr. 1 7. SANITARY & PROTECTION WORKS 7.1 Grouting with cement supply up to 5m depth as described in the specification m³ 0.1 7.2 Construction of concrete pad L.S 1 W including 6m length drainage ditch as per the drawing 7.3 Construction of soak away including all associated works L.S 1 8. SUPPLY AND INSTALLATION OF HAND PUMP 8.1 Supply and installation of Afridev pumps including all tools and fishing equipment complete with security system No. 1 9. MISCELLANEOUS 9.1 Chemical and bacteriological water quality analysis and report L.S 1 9.2 Well disinfection L.S 1 9.3 Final borehole construction report No. 1 9.4 Ground water abstraction fee L.S 1 Tender Link : https://ppda.mw/storage/documents/opentenders/Borehole%20Drilling-South.pdf

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