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from the Town of Silver City
 
       May. 23, 2017                 
 
 
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We also welcome comments on the Town's web site and other issues!


Opt in to the County's Reverse Emergency Notification System!
An anonymous donor has funded the purchase of a Reverse Emergency Notification System for Grant County. Register your phones, cell phones and email addresses to receive alerts of evacuations, emergency events, road closures and other significant events. The link below will take you to Grant County's Reverse Emergency Notification System for the County. Learn more!


Silver City has updated its annual Parks and Activity Directory, a booklet with information for all ages about all kinds of activity opportunities available in Silver City. Learn more!


Learn more about wildfire dangers and how to create defensible spaces around your home, business and property. Learn more!


Sanitation Schedule
Schedules for the Town of Silver City recycling and refuse pick-up vary on some national holidays. See if your pick-up is effected!

Other useful sites:
Check out these sites for information on living, working and doing business in Silver City, Grant County, and New Mexico.

Town of Silver City
Box 1188
Silver City, NM 88062
575.538.3731

Fire Hydrant Inspection and Maintenance


In most cities repair and maintenance of hydrants are the responsibilities of the water department. However, in many cases fire department personal perform water supply testing and hydrant inspections. The Silver City Fire Department formed a project to test approximately 900 hydrants in the Silver City area.

Firefighters look for potential problems when checking fire hydrants. Some of which may include the following:
  • Obstructions, such as utility poles, Walls, or fences too near the hydrant.
  • The outlets face the proper direction for pumper to hydrant connections.
  • Sufficient clearance between the ground and the hydrant outlets.
  • Damage because of traffic accidents.
  • Is the operating stem easily turned.
  • Any obstructions (Bottles, cans, rocks) inside the hydrant restricting flow water flow.
  • Hydrant drains properly when closed.

Any problems found are referred to the Silver City Water Department for repair or replacement.


Fire Testing and Maintenance

The following kinds of pressure with which the fire department is concerned are: static pressure, normal operating pressure, residual pressure, and flow pressure.

Static pressure is measured and is normal pressure existing on a system before a flow hydrant is opened.

Normal operating pressure fluctuates during the day and night. It is the pressure found in a system during periods of normal consumption.

Residual pressure represents the pressure left in the system at a specific location when water is flowing. The residual pressure at the hydrant is measured and recorded while water is being discharged from another hydrant.

The flow pressure is forward velocity pressure at a discharge opening at a hydrant discharge while water is flowing. The velocity of the water stream exerts a pressure that is read on a pitot tube and gauge.

The flow of a hydrant varies for several reasons. First and most obviously, the proximity of feeder mains and the size of the mains to which the hydrant is connected have a major impact on the amount of flow. Sedimentation and deposits within the distribution system may increase the resistance of water flow. Older water systems may experience as decline in flow available.


Hydrant Color Codes

Silver City residents may have noticed that fire hydrants are painted various colors in different areas around town. Firefighters can make better decisions affecting a fire attack if they at least know the relative available water flow of different hydrants in the city.  Another important factor with hydrants painted are the improved visibility when decided to make a hydrant to pumper connection.  To aid them the Silver City Fire Department has adopted the NFPA system of hydrant class and color coding.
  • Fire hydrants with bonnets painted blue flow 1,500 gpm or greater and are Class AA.
  • Fire hydrants with bonnets painted green flow 1,000 - 1,499 gpm are Class A.
  • Fire hydrants with bonnets painted orange flow 500 - 999 gpm and are Class B.
  • Fire hydrants with bonnets painted red flow less than 500 GPM and are Class C.

Once hydrants are tested, hydrants are then posted on a map showing hydrant location, color codes, and hydrant number. For further information contact the Silver City Fire Department at (575) 538-2591 or the Town of Silver City Utilities Engineer at (575) 534-6365.

Driver/Operator Eugene  Rodriguez is seen here painting and color coding
one of the 900 hydrants in city after it has been tested.



 
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