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CLDJ-321 Install 3 New Groundwater Monitoring Wells

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Federal

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

AI Contract Overview

The Department of the Navy, through Navfac Europe Africa Central, is forecasting a project to install three 50-meter deep sentry groundwater monitoring wells along the western fence line of Camp Lemonnier Djibouti. This initiative is a response to environmental hazards including off-base dumping of raw sewage, waste oil, and trash, as well as open burning, which threaten to contaminate the base drinking water source. Because surface water quality in the Ambouli Oued is directly linked to the base groundwater, these wells are necessary to monitor the migration of pollutants upgradient from the source water. The project requires the use of a mud-rotary drill rig to construct the wells according to military standards, ensuring they are cleaned, developed, and finished flush to the land surface with traffic-rated well boxes. Failure to monitor and mitigate these pollutants, including metals, volatile organic compounds, and pathogens, could compromise the integrity of Reverse Osmosis membranes, contaminate the water treatment train, and decrease overall consumer confidence in the drinking water quality.

General Info

Navy to install three groundwater monitoring wells at Camp Lemonnier Djibouti for pollution.

Agency

Department Of The Navy → Navfac Europe Africa Central

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

USA

Set-Aside

NONE

Documents

No documents available

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Timeline

PostedJul 2

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Organization & Contact Information

AgencyDepartment Of The Navy → Navfac Europe Africa Central

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of The Navy → Navfac Europe Africa Central

Office AddressN/A

ContactsNo contact information available

Full Description

CURRENT SITUATION: Off-base dumping of trash, raw sewage, and waste oil and open burning of trash by the Djiboutians within the Ambouli Oued and within 0.2 miles of the western fence-line of CLDJ has the potential to contaminate the source water for the base. A “Groundwater under the direct influence (GWUDI) of surface water” designation by the WQOC for CLDJ links the Ambouli Oued surface water quality directly with the CLDJ groundwater source. The current drinking water wells should not be used to assess potential pollutants in groundwater and migration of polluted groundwater should be conducted upgradient of the source water for the base. REQUIREMENTS: Install Three 50 meter deep "Sentry" groundwater wells are proposed to be drilled along the western fence line of CLDJ between the dump sites and the source area for the base drinking water wells. The monitoring wells will be constructed using a mud-rotary drill rig, constructed according to military well construction standards, cleaned and developed as needed, and constructed flush to the land surface and with traffic-rated well boxes. MISSION IMPACT: Pollutants such as metals, volatile organic compounds (VOCs), polynuclear aromatic hydrocarbons (PAHs), nitrate/nitrite, and pathogens can affect the drinking water. Contaminants can also affect treatment of the water and can: decrease the consumer confidence in the quality of the provided drinking water (Must add contaminated source water narrative to annual CLDJ Consumer Confidence Report), directly affect the integrity of the Reverse Osmosis (RO) membranes, contaminate the treatment train and RO membrane, bypass the RO system and directly contaminate drinking water, cause contaminants to be concentrated in the brine discharge (polluting surface waters), cause the spread of contamination in ground water, and trigger additional treatment methods.