Technical Exhibit 4 - LAAF Waste Disposal Standard Operating Procedures.pdf

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Chemical Latrines & Pumping
Solicitation number
W9124R25QA0003
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Technical Exhibit 4 is a Standard Operating Procedure (SOP) for sewage disposal at Laguna Army Airfield (LAAF) for the U.S. Army Yuma Proving Ground (YPG) and Yuma Marine Corps Air Station (MCAS). The document outlines detailed procedures for portable sanitation unit (PSU) contractors and wastewater operators when disposing of sewage, including routing sewage through a debris collector, cleaning bar screens, maintaining logs, and handling potential hazardous materials. Specific responsibilities include filling out log sheets, wearing personal protective equipment, properly disposing of trash, and ensuring proper drainage and containment of waste.

The SOP assigns specific roles to PSU contractors, MCAS personnel, wastewater operators, and YPG Environmental Sciences, with each party having distinct responsibilities such as reporting flow rates to the Arizona Department of Environmental Quality (ADEQ), inspecting the dump station monthly, and ensuring proper waste management protocols. The document emphasizes cleanliness, safety, and systematic waste disposal processes, with provisions for communication, training, and ongoing monitoring and review of the procedures.

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Technical Exhibit 4

Standard Operating Procedure for Sewage Dumping at Laguna Army Airfield (LAAF) Debris Collector

Revision Number: 0

Purpose and Scope

Purpose: The purpose of this Standard Operating Procedure (SOP) is to provide the U.S.

Army Yuma Proving Ground (YPG) with a procedure to dispose of sewage collected from portable sanitation units (PSU) and the Yuma Marine Corps Air Station (MCAS) Lake Martinez Recreation Area (LMRA).

Scope: This SOP applies to personnel tasked with removing and disposing of sewage from PSU’s (portable toilets) on YPG and sewage from the MCAS LMRA.

Roles, Responsibilities and Authority

PSU Contractor and MCAS LMRA

The PSU contractor shall operate as dictated by contract with YPG. The MCAS shall operate as described in the Memorandum of Understanding between YPG and MCAS.

Operator shall route sewage collected through the debris collector located at the entrance gate of the LAAF sewage lagoons.

Operator must fill out log sheet provided by YPG each time a septage hauler wastewater tank is emptied.

After each load is dumped, the bar screen shall be removed from debris collector and cleaned. Once the filter is cleaned, slide it back into the cylinder, replace cover and tighten all 3 wing nuts. Secure cam lock cover.

Operator shall leave area clean and tidy and all garbage, not sewage, placed within the trash can with the lid secured. Garbage receptacle must remain within concrete containment to allow any remaining free liquid to drain into the sewage lagoons.

Operator shall wear personal protective equipment needed to protect them from exposure to sewage contact in accordance with company or Marine Corps policy. Splashing may occur while using or cleaning debris collector.

If munitions, ordnance, or other hazardous materials are discovered in the debris collector, notify the YPG Fire Department at 928-328-2117.

Wastewater Operator Contractor

The Wastewater Operator shall provide a non-metal trash can with a securable lid and holes punched in the bottom to allow free liquids to drain.

Trash receptacle shall be placed within the concrete containment area.

Remove trash can when full and no free liquids remain. Dispose of trash (solid waste only, no sewage) at landfill and replace trash can.

Add flow from log sheet to flow recorded in flow meter in the Arizona Department of Environmental Quality (ADEQ) Self -Monitoring Report Form (SMRF) for LAAF.

Operator shall wear personal protective equipment needed to protect them from exposure to sewage contact in accordance with company policy.

If munitions, ordnance, or other hazardous materials are discovered in the trash can, notify the YPG Fire Department at 928-328-2117.

YPG Environmental Sciences

YPG Environmental Sciences will report flow rate on SMRF to ADEQ.

Inspect dump station on a monthly basis.

Communication and training

This SOP will be distributed by email or hard copy to personnel who have a need to know.

Procedures and Strategies

PSU users will be instructed to refrain from disposing garbage in PSU’s.

Monitoring and Measuring

The SOP will be reviewed and amended as appropriate.

File details come from the government source that posted it. Updated .