Drain inlets are wide open. There is no flow control. A solution exists to solve the problems associated with unchecked inlets. 

December 04, 2008


TO: OBAMA ECONOMIC/HOMELAND/ENVIROMENTAL TEAM                                                                                      

TOPIC:   A Ready to go Storm drain Inlet flow control device and street cleaning update.

FOR:      Wet Weather Management & Infrastructure Compliance Program.



REGULATORY SOLUTION:
    Drain Inlet Redesign Protects Subterranean Sewer Pipes from Damage and Improves Water Quality.
   
EXPOSURES TO THE STORM DRAINAGE SYSTEM INCLUDE, BUT ARE NOT LIMITED TO:     - Regulations on storm system use (NPDES, SPCC, Critical Infrastructure - HSPD 7)

    - Illegal discharge to open storm sewer

    - Design liability, gravity system, max capacity; 90%.

    - Protect against intentional misuse, terrorist opportunity (per HSPD 7) = system damage.

DESCRIPTION:
    A simple, effective, and economical storm water management program developed around a patented inlet design.
    This paper describes a whole system approach for improving water quality and protecting sewer infrastructure from accidental or intention damage or illegal uses. The pollution prevention program centers around an inlet designed to meter flows into a regulated sewer system. What is being described is an innovative pollution prevention program which combines known concepts and proven methods to achieve multi-level,  environmental and subterranean drainage infrastructure compliance.
     Understand this inlet design allows for an alternative surface management process; plug, pump, reuse of water. The practice of washing surface is possible with this patentedly superior flow controlling inlet. Washing surfaces needs to insure runoff and surface drainage entering the storm system is controlled to the maximum extent practicable, economically. The prescribed process uses said inlet design as an insitu and exsitu system, simplifying the cleaning of drainage area(s). The inlet design and preemptive cleaning program insures surface pollutants are controlled onsite using a limited amount of water. Colson's prescribed management practice is effective and appropriate as compared to sweeping and other treatment controls to mitigate polluted runoff.
    Colson's inlet design and management procedure provides a way to integrate infiltration concepts, control any flow, and addresses non-point pollution with true prevention by reusing water to clean surfaces in a controlled manner.

SUMMARY OF COLSON'S INLET FLOW CONTROL SYSTEM
    DESIGN:  Scaleable inlet drain meter.
    MODE OF ACTION: Oil-water-grit separator with screening capacity.
    PROVEN METHOD: Passive and active flow control.
    SUSTAINABLE DESIGN: Redirects to sheet flow, onsite water banking and rain garden systems.
    SIMPLIFIES COMPLIANCE: Pollution prevention activities are adjusted to meet changing site conditions.
    EASILY INTEGRATES: Combines treatment train -w- Zero discharge landscaping designs.
    APPLICATIONS: Excellent for pre & post construction, and redevelopment uses.

BENEFITS OF "PRE-EVENT CLEANING", (PLUG PUMP AND REUSE)     - FIrst-flush pollutant load is reduced measurably.
     - Resources maximized.  Water is used and reused to manage cleaning and control of surface pollutants.
      - Standardizes measurement of pollution prevention to natural event pollution control.
      - Onsite control of fugitive airborne materials.

NARRATIVE OF COLSON's PATENTED NPDES/INFRASTRUCTURE COMPLIANCE SYSTEM

    Washing surfaces with water is the most effective, dust-free means of cleaning. Preventing wash water from entering the storm system is a requirement of cleaning with water, hence the need for an inlet design that controls flow at the inlet. The proposed solution exceeds the need to protect the storm systems design and permitted use by controlling flow, resulting in onsite detention.
    Colson's patented system and management procedure enables effective and efficient surface pollutant control, measurably and repeatedly.  Each inlet decentralizes the problem areas effect, the area that inlet services can be managed and monitored more easily for pollution source residue. This process of tracking program effectiveness is known as an environmental management system (EMS).
    Colson developed this method as an integrated restructuring of archaeic public works programs and duplicative administration of these mandated programs. Colson's program will reduce unnecessary and expensive street cleaning practices and educational programs which have no measure for pollution prevention.

CONCLUSION

    Pollution prevention is the first step required by law. Installing Colson's patented inlet utility systemwide, will insure the storm drainage system has a basic means of controlling flow and a means to prevent and track pollution prevention. Colson's program negates the unfunded mandate argument posed by opponents of the NPDES. Colsons program provides a needed solution for drainage infrastructure from overload and misuse.


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