Appendix_B-1 _List_of_Maintenance_and_Inspection_-_20160208.pdf

FA5209-15-T-0102

Attachment 1

Appendix B-1 Runoff Water Treatment System

Revised 8 Feb 16

Maintenance and Inspection List (1/4) item apparatus name long-term periodic check years item number # check item 0.5 1 1.5 2 2.5 3

T-0 pump pit 1 removal of adhered substances O O O

2 dredge mud and sludge

3 leakage check O O

T-1 precipitation tank 1 removal of adhered substances O O O O O O

2 leakage check O O O O O O

3 dredge mud and sludge O

4 removal of schele O

5 check and tighten bolts O

6 check the mounted parts O

7 cleaning of the inclined pads O

8 cleaning of the vacuum pipes O

9 corrosion check O

T-2 sand bed 1 removal of sludge and cleaning O O

2 supplement of filtration material O O

3 leakage check O O O O O

4 exchange sand filter(1.8cubic meters) O

5 check and tighten bolts O O

6 check the mounting parts O O

7 cleaning of the vacuum pipes O O

8 corrosion check O O

9 cleaning of the collecting pipes O O

10 exchange of collecting nets O O

T-3 equalization tank 1 removal of adhered substances O O

2 leakage check O O O O O O

3 removal of sludge O

4 check control panel O O O O O O

5 dredge mud and sludge O

6 removal of schele O

7 check and tighten bolts O

8 check the mounted parts O

9 cleaning of the pipings O

10 corrosion check O

Appendix B-1 Runoff Water Treatment System

Maintenance and Inspection List (2/4) item apparatus name long-term periodic check years item number # check item 0.5 1 1.5 2 2.5 3

T-4 sand filter 1 record of the amount water/pressure O O O O O O

2 leakage check from the tower O O O O O O

3 leakage check from the piping O O O O O O

4 check automatic valves O O O O O O

5 adjustment of the flow O O O O O O

6 cleaning of the flowmeter O O O O O O

7 check of the pressure gauges O O O O

8 exchange sand filter(0.6cubic meters) O

9 exchange pressure gauges O

10 cleaning of the medicine injection point O O O O

11 corrosion check O

T-5 adsorption tower 1 record of the amount water/pressure O O O O O O

2 leakage check from the tower O O O O O O

3 leakage check from the piping O O O O O O

4 check automatic valves O O O O O O

5 exchange chelating resin(0.8cubic meters) O

6 exchange of the pressure gauges O

T-6 back wash tank 1 removal of adhered substances O O O

2 leakage check O O O O O O

3 cleaning of the flowmeter O O O O O O

4 dredge mud and sludge O

5 removal of schele O

6 check and tighten bolts O O O O

7 cleaning of the pipings O

T-7 PAC tank 1 leakage check from the piping O O O O O O

2 leakage check from the tower O O O O O O

3 confirmation of the liquid level O O O O O O

4 supplement of liquid O O O

5 quality check of PAC O O O

6 cleaning of the tank O O O

7 check and tighten bolts O O O

Appendix B-1 Runoff Water Treatment System

Maintenance and Inspection List (3/4) item apparatus name long-term periodic check years item number # check item 0.5 1 1.5 2 2.5 3

P-1 Raw water pump 1 operation check O O O O O O

2 check water volume and pressure O O O O O O

3 leakage check O O O O O O

4 vibration check O O O O O O

5 measurement of the current O O O O O O

6 check the noise O O O O O O

7 check and tighten bolts O O O

8 test of the insulation resistence O O O

P-2 Filter pump 1 operation check O O O O O O

P-4 back wash tank 2 check water volume and pressure O O O O O O

3 leakage check O O O O O O

4 vibration check O O O O O O

5 measurement of the current O O O O O O

6 check the noise O O O O O O

7 check and tighten bolts O O O

8 test of the insulation resistence O O O

P-3 PAC pump 1 operation check O O O O O O

2 check water volume O O O O O O

3 leakage check from connection point O O O O O O

4 leakage check from injection point O O O O O O

5 wear check of the diaphragm O O O O O O

6 wear check of the check ball O O O

7 check and tighten bolts O O O

H-1 Heater 1 check the heater O O O

2 test of the insulation resistence O O O

Appendix B-1 Runoff Water Treatment System

Maintenance and Inspection List (4/4) item apparatus name long-term periodic check years item number # check item 0.5 1 1.5 2 2.5 3

CP-1 control panel 1 check operation panel O O O O O O

2 check record of alarm and repair O O O O O O

3 check the light bulbs in the panel O O O

4 check and tighten bolts for terminal O O O

5 check the breakers O O O analysis of water quality 1 analysis pH, SS and Pb of raw water O O O O O and discharge