Technical Exhibit 2-3_Boiler_Annually.pdf
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- Solicitation number
- W91QVN24R0007
About this file
The provided document is a Technical Exhibit outlining the annual inspection and maintenance tasks for a hot water boiler system. The key tasks include visual inspections, functional testing, adjustments, and cleaning/reconditioning of various boiler components such as the flue, dampers, fuel valves, safety switches, and water treatment. The tasks are organized into a detailed 42-step checklist to be performed by a technician.
This Technical Exhibit is related to Solicitation Number W91QVN24R0007 for the Inspection, Testing and Maintenance (ITM) of Mechanical Equipment at USAG Humphreys. The solicitation is issued by the Department of the Army Materiel Command Army Contracting Command, with a proposal submission deadline of 24 May 24, 13:00 hrs, Korean Time.
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Text version
Technician :
MFR :
Step# CHK
18 Make visual inspection of the flue, vent, stack or outlet dampers linkage for proper operation.
Perform visual opacity checks IAW unmanned boiler SOP.
Check condition of flue pipe, damper & exhaust stack.
Check operation & condition of safety pressure relief valve.
Test low draft, fan, air pressure & damper position interlocks.
Check low fire start interlock.
Test high & low oil pressure & temperature interlocks.
Test high & low gas pressure & temperature interlocks.
Test operation of low water fuel cutoff devices.
Check hot water pressure gauges.
Inspect and clean or replace water column sightglass.
Check operation of mercury control switches (i.e., hot water temp limit atomizing or combustion air proving, etc.)
Check fuel lines & connections for damage.
Open limit switch and make aural and visual check of the pilot and/or main fuel valves; check valve position indicators
Hot Water Boiler (H.W.H.B & D.H.W.H)
Bldg No. : Date :
Job Plan Title Annual
Task
Make visual inspection of the igniter.
Check both pilot & main flame signal strength.
Check flame failure detection system. Close manual fuel supply pilot & main; check safety shutdown timing and log.
Check firing rate control and verify factory settings.
CAPACITY : MODEL :
Step# CHKTask
Remark
Test fuel valve interlock switch IAW manufacturers instructions.
Perform leakage test on pilot & main gas and/or fuel valves IAW manufacturers instructions.
Test purge switch IAW manufacturers instructions.
Check and adjust boiler water chemicals
Test low fire start interlock IAW manufacturers instructions.
Test air/steam interlock IAW manufacturers instructions.
Test burner position interlock IAW manufacturers instructions.
Check dual fuel change over control.
Recondition or replace low water fuel cutoff device.
Test high limit & operating temperature or steam pressure controls.
Test safety/safety relief valves IAW ASME boiler & pressure vessel code, sections VI and VII.
Clean gas train drip leg & oil system atomizers & strainers; vacuum boiler.
Wash and layup boiler.
For pilot and/or main fuel valves Check all coils & diaphragms; test all other operating parts of all safety shutoff & control valves.
Check for proper operational response of burner to thermostat controls.
Check & lubricate burner & blower motors.
Check flame failure detection system components, such as vacuum tubes, amplifier, and relays.
Check piping and wiring of all interlocks and shutoff valves.
Inspect burner components IAW manufacturers instructions.
Check combustion chamber for air & gas leaks.
Conduct pilot turndown test IAW manufacturers instructions.
Replace vacuum tubes, scanners, or flame rods IAW manufacturers instructions.
Test for hot refractory hold in.
Conduct a combustion test of the firing rate control; verify factory settings.
HWB(A)
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