1.01
This practice covers the description and operation of MITI Manufacturing Company's Model DH40/DH40H/DH40-4P/DH40-4PH DeCon Wash Hoops.




DeCon Hoop
Quick On-Site Decontamination
(PATENTED)
MODELS DH40/DH40H/DH40-4P/DH40-4PH
DECON WASH HOOP
(US Patent #5,205,306)

1.0 General (back to top)

1.02 The system was created and is specifically designed to be highly portable and to set up quickly and simply to provide an economical and effective DeCon Wash in most land or shipboard applications. The system is designed to reduce and minimize the amount of over spray and waste water created by the DeCon wash.

2.0 Specifications (back to top)
2.01 Model DH40-4P 2.02 Model DH40-4PH
(4 piece)
Hoop with external handles
Outer Diameter - 45" (114.30cm)
Inner Diameter - 39" (99.06cm)
Extendable Handle Length
32"-53" (81-134cm)
Weight with two handles
10 lbs. (4.55kg)
(4 piece)
Hoop with external inside handles
Diameter - 45" (114.30cm)
Inner Diameter - 32" (81.28 cm)
Extendable Handle Length
32"-53" (81-134cm)
Weight with two handles
14 lbs. (6.36kg)
2.03 Model DH40
(2 piece)
Decon Hoop
Outer Diameter - 45" (114.30cm)
Inner Diameter - 39" (99.06cm)
Extendable Handle Length
43"-
66" (109-167cm)
Weight with two handles
10 lbs. (4.55kg)
2.04 Model DH40H
(2 piece)
Hoop with external inside handles
Diameter - 45" (114.30cm)
Inner Diameter - 32" (81.28 cm)
Extendable Handle Length
43"-66" (109-167cm)
Weight with two handles
14 lbs. (6.36kg)


2.03 Water Output DH40/DH40H/DH40-4P/DH40-4PH
4.6 G.P.M. @ 30 PSI
(.29 Liters/Sec @ 30 PSI)
4.8 G.P.M. @ 40 PSI
(.30 Liters/Sec 0 40 PSI)
The above assembly provides a very effective DeCon wash while conserving water and reducing waste water which must be properly contained and disposed of. increase pressure for higher output if necessary.

2.04 Recommended Optional Equipment

MITI offers the most complete line of decontamination equipment on
the market today:
- PORTABLE DECON HOOP
-
SECONDARY INFLATABLE DECON CONTAINMENT BERMS
- PORTABLE DIAPHRAGM HAND PUMP
- PORTABLE HIGH PRESSURE DECON AGENT INJECTOR
- TOTALLY ENCLOSED DECON PORTABLE WASTE TANKS
- QUICK ERECT DECON/EMERCENCY SHELTERS
- PORTABLE DECON (U)SHOWER

3.0 Description (back to top)
3.01 HOOP
Each assembly consists of a durable corrosion resistant tubular aluminum pipe which is circularly formed into a octagonal shaped hoop. This hoop is divided into four/two separate equal pieces (dependent on model selected) which are connected together for use by Cam-Lock quick couplers located and attached to the ends of the tubular pipe hoop quarters. This design provides for easy storage handling and quick assembly. Design also provides for the inlet portion of the hoop's half section to be utilized in a half hoop configuration by simply capping off the hoop half ends with dust caps, which are provided with the hoop. This half hoop configuration is ideal for certain applications. The straight flat sections of the aluminum pipe located around the perimeter of the octagonal hoop allows the user in a self DeCon application to place one of the flat surfaces on the bottom of the containment pool while using the hoop to steady and balance themselves in order to effectively decontaminate their extremities.
3.02 SPRAY NOZZLE JETS
The aluminum pipe construction provides an excellent passage for water to flow to the eight threaded brass spray jets which are equally spaced around the inside perimeter of the octagonal hoop. These nozzles provide a uniform and consistent water spray during the DeCon process even at low pressures. The jet head is removable for maintenance and is attached to the nozzle body by means of a hex head threaded nylon nut with an inner o-ring seal. This configuration allows user to easily adjust or remove and clean a jet without requiring hand tools should it be necessary.
3.03 INLET
Features, one threaded water inlet with brass swivel fitting, ABS or polypropylene plastic on\off valve and brass inlet filter screen with rubber hose seal is attached to one hoop half. The valve will accept a standard 3/4 inch threaded male hose end. The l\4 turn on\off ball valve is easily controlled by the user in a one person DeCon. The filter screen restricts particles from entering the system that may clog the hoop outlet jets. The swivel aids in the connection of water supply hose.
3.04 HANDLE INLET (OPTIONAL)
An optional assembly is available which relocates the on\off valve from the hoop to the extension handle near the hand grip loop. This devise is used when control is desired at the handle and the extension arm handle is in the fully extended position. Constructed of threaded aluminum pipe with aluminum mounting for attachment to outer tube of the extension handle. A brass swivel and threaded male 3/4" hose fitting is attached to opposite ends of the threaded aluminum pipe. These swivel fittings allow relocation and attachment of the on\off valve normally located at the hoop and a short water supply hose line to the hoops swivel inlet from the threaded male fitting located adjacent to the relocated valve on the extension handle.
3.05 HANDLES
Two Tubular aluminum extendable handles are provided with each DeCon Hoop. Each handle extension tube is constructed of high tensile strength aluminum tubing for superior strength and light weight. Two plated lynch pins are attached to the handles extension tube, one for attachment to the hoop and the other for locking in place the extendable inner extension tube. A comfortable and large die formed enclosed looped handle is located at the outer end of the extension tube for the user to easily and comfortably hold onto. This handle design allows the extendable handle to be used easily when the DeCon personnel are fully suited up. Handle design also allows for replacement of the extension tube should the tube become damaged.
3.06 STORAGE BAG
A storage bag (MITI part number DHSB44) is available as optional equipment. This bag is constructed of a Durable sewn polyester reinforced fabric and features a convenient closure which simplifies use. Bag aids in protecting hoop and extension handles from debris and damage. It also keeps all hoop parts together for quick locating and convenient storage.

4.0 Safety Features (back to top)
4.01 Hoop design provides a safe and highly portable DeCon wash system which is quickly set up for use on site in emergency situation. Enables the DeCon Team to allow self DeCon where permissible reducing manpower. Also reduces over spray, water use and waste water which must be disposed of by proper means. Minimizing cleanup costs.
4.02 Construction of durable
Corrosion resistant and highly inert aluminum. Light weight construction reduces user fatigue while reducing the chance of injury.
4.03 Coated with the latest state of the art environmentally safe powder coating. Baked on at 425 degrees. This coating is very inert to most agents and is very durable especially when applied to aluminum.
4.04 Ny-Glass Cam-Lock couplings are incorporated as they are inert to most agents, extremely durable and are quickly and dependably connected and in emergency situations.
4.05 Easily removable brass water jets, and bodies with nylon jet retaining nuts are used to provide and allow for quick replacement or disassembly for cleaning should they become clogged. Both materials are corrosion resistant and are inert to most agents.
4.06 Water inlet on\off valve is of ABS or polypropylene plastic which is inert to most agents. Valve provides for quick on\off control at hoop or at extension arm valve if optional extension arm valve assembly is used. Both valve configurations allow the system to remain charged for immediate use when required and puts on\off control in the hands of the user for maximum control and efficiency. Removable Protective screen filter, located at the valve assembly, prevents debris from clogging the water spray nozzles.
4.07 in emergency situations the half hoop configuration sets up quickly and allows hoop to be used in applications where a full hoop could not be used.
4.08 Extension handles allow DeCon personnel to distance themselves from the person or item being washed down. Optional extension handle on\off valve relocating assembly also allows personnel to keep their distance while maintaining on\off control.

5.0 Special Precautions (back to top)
5.01 Storage
Stow unit in an area where it will not be crushed or damaged by heavy objects. Stow in areas free of debris that may enter system clogging outlet jets. Stow assembly together if possible for quick location and use. Stowage bag available as optional equipment. Model DHSB44.
5.02 Preparing unit for storage When preparing Hoop for stowage after use uncouple hoop sections at quick couplers and allow water trapped inside hoop to drain out. This will prevent ice forming in cold weather. Remove extension handles from hoop if used. Reset extension handles to shortest position. Make sure all lynch pins are attached to extension handles and securely locked in place with looped wire bail. Store dust caps in the storage bag. Place entire assembly, disassembled, in stowage bag or into stowage area on service vehicle.
5.03 Freeze up prevention in cold weather applications be sure to let a small amount of water continue flowing through system after charging to prevent freeze up. Be sure to drain system supply lines and components after use to prevent freeze up.


Manufactured by MITI MANUFACTURING CO , INC.
2996 Teller Court * Grand Junction , CO . 81504 USA* 970/243-9500 Fax: 970/243-9200

Website: www.mitico.com Email: services@mitico.com

We eagerly look forward to, any one, or all of you calling on us for assistance at any time you desire!


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