State, Department Of- State, Department Of- American Embassy Nairobi
Borehole Drilling/ Water Supply/ Water Analysis/ Water Infrastructure/ Water Well Drilling
LOCHAB Borehole Drilling Services - The Embassy of the United States of America invites you to submit a proposal for LOCHAB Borehole Drilling. Enclosed is a Request for Quotes ( RFQ) for Borehole Drilling Services. I
Borehole drilling services 1. Drilling and domestic water supply ( downhole injection and domestic purposes). 2. Casings and screens ( 153mm diameter steel casings, 153mm diameter steel screens, 154mm slide- in borehole cap). 3. Supply and installation of quartz pea gravel. 4. Backfill to 10 meters below ground level with drill cuttings. 5. Development ( physical via air- jetting, chemical via calgon injection, bentonite seal). 6. Aquifer testing ( pretest, step, constant drawdown, and recovery tests). 7. Water sample for chemical and physical analysis. 8. Borehole headworks ( plinth, permanent casings for conductor pipe). 9. Supply and installation of a Grundfos pump SP 17- 27 CW ( 15kW/20hp motor at 260 meters). 10. Control panel ( 18. 5kW/25hp, 415V/3 phase) with under/overvoltage protection. 11. Water level relay ( MP 204). 12. Black box. 13. Dunwell water meter ( 2. 5) or approved **** class B GI pipes to an installation depth of 260 meters. 15. Heavy- duty C. I. adaptor set ( top and
Bid Close Date: