Fire Protection Systems Underground Piping, Backflow Preventers, and Hydrants

COURSE DESCRIPTION:

This course will examine critical components of any fire protection system. Tying into a waterworks system, digging trenches, installing pipes, and valves are commonly forgotten components of fire protection systems. Without these critical components in place, water from a sprinkler head will never be delivered to the fire. This course will break down the initial steps of installing fire protection systems, and will also provide students with knowledge on hydrant care and maintenance requirements.

TIMEFRAME:

  • 2 periods of 50 minutes with a 10-minute break between each, classroom setting.
  • 1 period of 60 minutes, outdoors hands on training.

START: 09 AM

FINISH: 12 PM

MATERIALS / AIDS:

PowerPoint slides, NFPA 24 2010 edition, NFPA 291 2013 edition, Florida State Statute 633.082 Sections 2&3, American Water Works Assoc. M17:Fire Hydrants, notepads, Sprinklermatic University hands on training center with backflow preventer and hydrants

LOCATION:

Sprinklermatic University, 4740 Davie Road, Davie FL 33314

OBJECTIVES:

At the end of this session the student will be able to:

  1. Describe different water main configurations
  2. Identify the different types of control valves
  3. Identify and describe types of underground pipe
  4. Explain trenching safety requirements
  5. Describe excavation support systems
  6. Describe types of bedding material
  7. Describe thrust blocks and restraints
  8. Define general purpose of backflow preventer
  9. Demonstrate ability to service a backflow preventer
  10. Identify and describe hydrants, yard valves and associated equipment
  11. Explain hydrant care including ISO requirements
  12. Explain testing, inspecting, and maintenance of underground piping, backflow preventers, and hydrants

PRESENTATION:

Water supplies

  1. Volume and pressure from waterflow data
  2. Fire service mains
  3. Connections to public water systems

Valves

  1. Non-indicating/indicating
  2. Control valves; post indicator/wall post indicator/OS&Y
  3. Valve pits
  4. Check valves

Underground pipe

  1. Pipe type and class
  2. Joining pipe and fittings
  3. Contractor’s material and test certificate

Trenching

  1. General safety

Excavation support (shoring)

  1. Bedding material
  2. Thrust blocks
  3. Joint restraints

Backflow

  1. Purpose
  2. Double check valve/double detector check valve
  3. Reduced pressure/reduced pressure detector
  4. Inspection, testing, maintenance

Hydrants

  1. Fire protection and other uses
  2. Types of hydrants
  3. Marking
  4. Flow tests
  5. ISO requirements
  6. Maintenance/common deficiencies

Best Practices

  1. Hands on training
  2. Demonstrate application of standards on real equipment
  3. Sprinklermatic University hands on training center equipped with underground piping, backflow preventer, and hydrants

EVALUATION:

Students will discuss the underground piping and public water system. Students will inspect, test, and perform maintenance on the backflow preventer. Students will identify type of hydrants and perform an inspection meeting ISO requirement.

OUTSIDE ASSIGNMENT:

Students will identify hydrants in their respective AHJs and determine flow capabilities through marking systems. Students will also be able to identify any deficiencies with hydrants in their respective AHJs. Students will identify backflow preventers in their AHJs.

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