- RFX 1000001438- Supply, Installation, Testing & Commissioning of Solar Powered High Mast Flood Lighting and Solar Street Lights in Nairobi and Kiambu Counties-Retender.pdf RFX 1000001438- Supply, Installation, Testing & Commissioning of Solar Powered High Mast Flood Lighting and Solar Street Lights in Nairobi and Kiambu Counties-Retender.pdf