RFP0441_Appendix_K_-_Sample_PM_Checklist.pdf

RFP#0441 Appendix K Sample Preventative Maintenance Checklist

Preventative Maintenance Requirements

A Preventative Maintenance Checklist must be submitted for each scheduled site visit, the County must approve the Checklist to be used.

Preventative Maintenance for County CNG station(s) include all of the Components and Tasks listed on the sample checklist (pages 2,3 and 4 of this document)

Preventative Maintenance is scheduled in advance and performed twice monthly.

County Employees do a Daily Inspection of our CNG fueling station(s), the Contractor awarded will provide a Daily Inspection checklist to be utilized.

Maintenance Checklist

Description Comments Good Repair N/A

Compressor And Controls Checklist

Inspect compressor skid and enclosure for damage and/or water leaks Inspect for oil leaks on compressor and at all oil supply line fittings Check oil level in the compressor frame site glass Check day tank oil level, add oil if needed Inspect for loose tubing clamps and connectors Check fault logs and active faults (Record in comments) Check daily service log for outstanding issues (Record in comments) Drain relief valve vent header Drain crankcase breather pipe Observe the compressor operation during fill Record unusual noises and/or vibrations from compressor in comments Check that control panel is functioning properly Compare transducer readings to gauge readings Check that alarm/fault notification is functioning Check methane detector / fan or system Check ESD operation

Priority Panel And Gas Storage Inspection

Observe operation of the priority panel and controls Inspect panel & tubing for damage Inspect buffer storage for signs of damage/rust Drain post compression filters

Gas Dryer Inspection

Check for damage Check heat trace indicator (In cold weather) Check filter differential pressure gauges while running Check dew point (Record) Drain dryer filter condensate

Dispenser, Fill Post

And Defueling Systems

Check daily service log Check for fault codes Inspect hoses, nozzles, valves and breakaways for leaks or damage Inspect dispenser operation Observe vehicle fueling from dispenser Check for condensate at dispenser Inspect all time fill posts, reels, lines & connections Observe vehicle fueling from time fill station

Leak Detection

All pre-compression lines, fittings & valves from gas meter to dryer All dryer connections, fittings, valves, flanges & filter housings Supply lines from dryer to compressors All connections, fittings, valves & filter housings inside comp. enclosure Supply lines to priority panel All connections, fittings & valves inside priority panel Supply lines, fittings & valves before and after buffer storage Post compression filter housings All time fill lines, connections, & fittings All connections & fittings inside dispenser

Inspection Comp #1 Comp #2 Comp #3 Comp #4 Comp #5 Comp #6 Comp #7 Comp #8 Compressor Hours*** Hours Running @ Op. Temp Oil Level* Half Full In Site Glass While Running Full/Add Day Tank Add Oil To Compressor Day Tank Gal Running @ Op. Temp Lube Cycle Rate 1* Odd Target (24 Sec) Seconds Running @ Op. Temp Lube Cycle Rate 2* Even Target (45 Sec) Seconds Running @ Op. Temp Oil Pressure* 60 Psig Hot Normal Psig Running @ Op. Temp Rec. Tank Pressure Psig Running @ Op. Temp Inlet Pressure* 9 To 23 Psig (15 Psig Normal) Psig Ambient Air Temp (For Time Fill Compressor) Deg F

Stage 1 Running @ Op. Temp Pressure* 50 To 90 Psig Psig Running @ Op. Temp Discharge Temp* 260 To 285F Deg F

Stage 2 Running @ Op. Temp Pressure* 180 To 310 Psig Psig Running @ Op. Temp Discharge Temp* 315 To 345F Deg F

Stage 3 Running @ Op. Temp Pressure* 530 To 890 Psig Psig Running @ Op. Temp Discharge Temp* 315 To 345F Deg F

Stage 4 Running @ Op. Temp Pressure* 1290 To 2220 Psig Psig Running @ Op. Temp Discharge Temp* 290 To 315F Deg F

Stage 5 Running @ Op. Temp Pressure* Not More Than 100 Psig Above Final Psig Running @ Op. Temp Discharge Temp* 280 To 310F Deg F

Final Running @ Op. Temp Discharge Pressure Psig Running @ Op. Temp Time Fill Presure Psig

Dryer Running @ Op. Temp Dew Point ** (-40F Or Lower) Deg F Running @ Op. Temp Inlet Pressure Psig

Drain Condensate Collection Points Drain Compressor - Receiver Tank Oz Drain Compressor - Inlet Filter Oz Drain Station - Post Compression Filters (Total) Oz Dispenser #1-8 Drain Dispenser - Internal Filter (Should be zero condensate)* Oz Dispenser #9-16 Drain Dispenser - Internal Filter (Should be zero condensate)* Oz

Gas Meter Reading Main Inlet Gas Meter Meter Yearly Weights And Measures Last Certified Date

Service Site Notes

* Contact senior technician if readings out of range **Contact service manager if close to -40 to schedule regen of dryer ***Contact service manager when compressor hours reaches 800,1800,2800,3800 etc.

Maintenance Checklist

Service Technician Time Card Travel T or S Date Clock In Clock Out Total Hrs Employee Vehicle Mileage Hotel Stay=Y CC Expenses=Y Car Rental=Y

Recommendations Or Additional Service Required

Inspection Completion Signature Customer Signature

Technician Signature