Tender Notice for Drilling of Two Boreholes, Construction of Concrete Slabs, and Supply & Installation of Hand Pump Systems

Dufatanye Organization is a community-focused non-governmental organization committed to improving access to clean water, sanitation, and sustainable livelihoods in rural communities across Rwanda. Through its interventions, under the Village of Hope project, Dufatanye aims to reduce waterborne diseases, improve hygiene standards, and enhance the quality of life for vulnerable populations.

This project, titled “Village of Hope”, is implemented in partnership with the Suyana Foundation, an organization dedicated to supporting sustainable water access and community resilience initiatives globally.

Under this partnership, Dufatanye seeks to improve access to safe and reliable water sources in Nyanza and Nyaruguru Districts through the construction of boreholes equipped with hand pump systems.

A. Borehole Drilling

1. Borehole Drilling (Nyanza District)

Site Location

• Province: Southern Province
• District: Nyanza
• Sector: Rwabicuma
• Location: Mubuga-Nyamiseke

Specifications

• Number of boreholes: 1
• Expected depth: 0m–100 meters (as determined by hydrogeological survey)
• Diameter of drilling: 6”

Required Activities

• Drilling (RIG MACHINE PRD SPD STALL)
• Casing installation (125mm PVC)
• Gravel packing (size 4.3mm of Gravel)
• Well development (airlifting)
• Test pumping (yield test maximum expected 1.5m³/h)

2. Borehole Drilling (Nyaruguru District)

Site Location

• Province: Southern Province
• District: Nyaruguru
• Sector: Rusenge
• Village: Mariba-Rusaniro

Specifications

• Number of boreholes: 1
• Expected depth: 0m–120 meters (as determined by hydrogeological survey)
• Diameter of drilling: 6”

Required Activities

• Hydrogeological survey (already completed)
• Drilling (RIG MACHINE PRD SPD STAR)
• Casing installation (125mm PVC)
• Gravel packing (size 4.3mm of Gravel)
• Well development (airlifting)
• Test pumping (yield test maximum expected 1.5m³/h)

B. Construction of Concrete Slabs for 2 Boreholes

Purpose:

• Borehole protection and pump base

Type:

• Reinforced concrete slab

Typical Specifications:

• Thickness: 100 mm
• Diameter: 1.5–2 meters around borehole

Must Include:

• Drainage slope extending 6 meters away from borehole
• Soak pit or runoff channel
• Protective apron to prevent contamination

C. Pump Supply & Installation

Pump Type:

• Hand pump

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