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The Hartford Steam Boiler Inspection and Insurance Company Preventing Equipment Failures Boilers Electrical Distribution Systems Air Conditioning Equipment.

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Presentation on theme: "The Hartford Steam Boiler Inspection and Insurance Company Preventing Equipment Failures Boilers Electrical Distribution Systems Air Conditioning Equipment."— Presentation transcript:

1 The Hartford Steam Boiler Inspection and Insurance Company Preventing Equipment Failures Boilers Electrical Distribution Systems Air Conditioning Equipment

2 The Hartford Steam Boiler Inspection and Insurance Company Any Questions? Then lets get started !

3 The Hartford Steam Boiler Inspection and Insurance Company Preventing Equipment Failures

4 The Hartford Steam Boiler Inspection and Insurance Company Boiler Maintenance

5 The Hartford Steam Boiler Inspection and Insurance Company What is a boiler? A closed vessel in which water is heated, steam is generated, or steam is superheated for use external to itself by the application of heat.

6 The Hartford Steam Boiler Inspection and Insurance Company Boiler Categories Power Boiler High Temperature Hot Water Boiler Heating Boiler

7 The Hartford Steam Boiler Inspection and Insurance Company Watertube Boilers Components: Steam drum Water (mud) drum Tubes

8 The Hartford Steam Boiler Inspection and Insurance Company Watertube Boilers

9 The Hartford Steam Boiler Inspection and Insurance Company Firetube Boilers

10 The Hartford Steam Boiler Inspection and Insurance Company Firetube Boilers Components: Shell (Drum) Tube Sheets, Front & Rear Tubes (Flues) Furnace Stays (Stay Bolts)

11 The Hartford Steam Boiler Inspection and Insurance Company Firetube Scotch Marine

12 The Hartford Steam Boiler Inspection and Insurance Company What could possibly go wrong with my boiler? Lets take a look at some typical boiler failures!

13 The Hartford Steam Boiler Inspection and Insurance Company Major Causes of Boiler Failures Low Water Poor Maintenance Failure of Controls and Safety Devices

14 The Hartford Steam Boiler Inspection and Insurance Company Low Water Results in over temperature condition Can cause extensive damage to boiler Or Catastrophic failure of the boiler

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18 Poor Maintenance

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22 Failure of Controls and Safety Devices

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30 Preventing Boiler Failures Proper Operation Proper Maintenance Its all up to you!

31 The Hartford Steam Boiler Inspection and Insurance Company Boiler Operation Prepare the boiler for operation Starting the boiler Regular operation Controls and safety valves Feedwater treatment

32 The Hartford Steam Boiler Inspection and Insurance Company Boiler Logs Why use them What to include How to use them

33 The Hartford Steam Boiler Inspection and Insurance Company Boiler Codes ASME Boiler & Pressure Vessel Code ASME Controls and Safety Devices National Board Inspection Code Jurisdictional Rules

34 The Hartford Steam Boiler Inspection and Insurance Company Jurisdictional Rules Inspection Frequencies Inspection types Installation requirements Rules for repair

35 The Hartford Steam Boiler Inspection and Insurance Company Housekeeping Safety Fire Prevention Combustibles paint, oil, gas and cleaning products Flammables wood, paper and cardboard keep at least 8 to 10 feet from the boiler Emergency Access

36 The Hartford Steam Boiler Inspection and Insurance Company Controls & Safety Devices Maintain control over boiler operation Monitor operating conditions Protect boiler from failure

37 The Hartford Steam Boiler Inspection and Insurance Company Controls and Safety Devices Controls and safety devices are installed on boilers to monitor, indicate, regulate, or control: Pressure Temperature Water Level Combustion Auxiliary Equipment

38 The Hartford Steam Boiler Inspection and Insurance Company Pressure Gages Visual display of operating pressures. Most accurate in their mid-range. Dial range: Power Boilers: 1.5 – 2 times lowest safety valve setting

39 The Hartford Steam Boiler Inspection and Insurance Company Control Water Seals Most controls are designed to be subjected to water pressure. A loop or trap is installed to protect controls from direct contact with steam. Condensate fills the lines during normal operation.

40 The Hartford Steam Boiler Inspection and Insurance Company Siphon Loops

41 The Hartford Steam Boiler Inspection and Insurance Company Safety Valve Body Seat Disc Stem Spring Blow-Down Ring Huddling Chamber

42 The Hartford Steam Boiler Inspection and Insurance Company Low Water Fuel Cutoffs

43 The Hartford Steam Boiler Inspection and Insurance Company Low Water Fuel Cutoffs

44 The Hartford Steam Boiler Inspection and Insurance Company Low Water Fuel Cutoffs

45 The Hartford Steam Boiler Inspection and Insurance Company Low Water Fuel Cutoffs

46 The Hartford Steam Boiler Inspection and Insurance Company Conclusion Follow proper operating procedures Regular maintenance Be prepared Above all …Work Safely!

47 The Hartford Steam Boiler Inspection and Insurance Company Electrical Maintenance

48 The Hartford Steam Boiler Inspection and Insurance Company Electrical Distribution System

49 Common Electrical Failures Figure illustrates specific causes of electrical failures and the individual contribution of each cause. This list is based upon twenty years of HSB claims data.

50 The Hartford Steam Boiler Inspection and Insurance Company Preventing Electrical Failures Clean Cool Dry Tight

51 Yes No Yes No Did you observe any combustible material in the electrical room?

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53 Yes No Changes to electrical system Such as loads added or relocated or equipment upgraded or replaced. Yes No Changes to electrical system Such as loads added or relocated or equipment upgraded or replaced. Have there been any changes to the electrical system in the last three (3) years?

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65 Everything Looks Okay

66 The Hartford Steam Boiler Inspection and Insurance Company …However!

67 The Hartford Steam Boiler Inspection and Insurance Company Infrared Thermographic Imaging Detects Hot Spots Dirty, Loose, Oxidized, or Corroded Connections. Finds Phase Imbalance Problems. Finds Undersized Wiring Problems.

68 The Hartford Steam Boiler Inspection and Insurance Company Surge Protection Surge Protection Device (SPD) Transient Voltage Surge Suppressor (TVSS) Diverts surge currents to ground Limits the voltage across the terminals of the equipment being protected

69 The Hartford Steam Boiler Inspection and Insurance Company SPD - Zones of Protection Zone 1: Service Entrance Equipment Intercept surges before they enter the building Zone 2: Distribution Panel Second line of defense for each panel supplying critical or sensitive electronic equipment Protects against internally generated surges Zone 3: Locally at Each Piece of Equipment Third line of defense Protects against internally generated surges Grounding System is key to protection

70 The Hartford Steam Boiler Inspection and Insurance Company Above all else….. SAFETY FIRST!

71 The Hartford Steam Boiler Inspection and Insurance Company Have a Safe Trip Home!


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