xvi
1-Sep-15 43
1.83 1.8
Mech changed gasket blow band dig 03, Mech changed gasket top cover dig5. 2-Sep-15
41 0.42
0.4 Mech repair rubber skirt conveyor 3, Chipp filling delay due to conveyor3 tripp.
3-Sep-15 2
2.08 1.50
3.6
Mech changed Gasket flushing steam blow line dig15, Instrument repair c\v air evacuation dig 05,
4-Sep-15 24
1.03 1.0
Mech change change gasket bottom circ.dig14, Mech changed circ.pump dig6. 5-Sep-15
48 2.00
2.0 Mech changed gasket outlet blow valve dig3, Mech changed gasket bathing steam dig03.
6-Sep-15 48
0.50 0.5
Mech changed gasket drain blow band dig4. 7-Sep-15
49
2.00 2.0
Mech changed circ.pump dig06, Digester stoped chip filling due to mech changed bearing roller control w eight main conveyor.
8-Sep-15 49
0.95 1.0
Mech changed gasket blow band dig9,Mech changed gasket discharge circ.pump dig2. 9-Sep-15
49 0.75
0.8 Mech cchanged gasket bottom circ.pump dig6.
10-Sep-15 50
0.42 0.4
Mech changed gasket check valve bottom circ.pump dig11. 11-Sep-15
51 0.58
0.6 Mech Changed gasket bathing steam dig8.
12-Sep-15 47
2.00 2.0
Mech changed gasket bottom liq.heater dig15. 13-Sep-15
47 1.08
1.1 Mech changed gasket blow band dig15.
14-Sep-15 42
2.68 2.7
Mech changed gasket inlet selector valve, Mech changed gasket middle LH dig11, Mech changed gasket safety valve contaminated tank
15-Sep-15 44
4.57 4.6
Mech changed gasket drain blow bend and check valve liquor charge cover dig2, Mech changed pump mix liquor, Mech changed gasket direct steam dig5
16-Sep-15 50
0.62 0.6
Mech changed gasket out blow valve dig3, Mech retighted bolt outlet blow valve dig3 17-Sep-15
48
2.85 3.18
6.0
Inst changed limit sw itch dig5, Mech changed gasket bottom LH dig10, Mech changed gasket suction circ pump dig6, Mech changed gasket suction and discharge dig08
18-Sep-15 45
0.78 5.85
6.6
Mech changed rubber gasket top cover dig5, Fab w elding bathing steam line dig3, Mech retighted cv air evacuation dig8, conveyor3 tripped due to plug up, Mech repaired rubber
scrit conveyor4, Mech changed gasket top LH dig14, Mech changed gasket suction pump dig4, delay chip fiiling due to rubber scrit lose
19-Sep-15 42
1.08 1.1
Fab w elding bathing steam line dig3, mech changed gasket suction circ pump dig01 20-Sep-15
39 0.0
Digester stop cooking due to pow er shortage. 21-Sep-15
49
1.50 0.50
2.0
Fabrication w elding direct steam line dig2, Instrument mech changed c\v liq.charge dig01. 22-Sep-15
49
3.70 3.7
Mech changed gasket casing circ.pump dig4, Mech changed gasket bottom liq.heater dig14. 23-Sep-15
51 2.00
2.0 Instrument changed c\v liq.charge digester dig5.
24-Sep-15 48
0.0 -
25-Sep-15 50
1.33 1.3
Mech changed gasket blow band dig09, Mech changed circ.pump dig4. 26-Sep-15
45
2.13 2.1
Mech changed gasket inlet blow valve dig10, Mech changed gasket casing circ.pump dig02, digester slow cooking due to WSB stoped WBL high
27-Sep-15 43
2.17 2.2
Mech changed gasket check valv liq.charge dig8, digester slow cooking due to WBL high level.
28-Sep-15 43
2.83 2.8
Mech changed gland packing circ.pump dig15,Mech changed rubber gasket top cover dig04,Mech changed circ.pump dig15, Mech changed gasket inlet air evacuation dig01,
Mech can changed gasket blow band dig14, Mech changed gasket casing circ.pump dig6. 29-Sep-15
45
2.00 2.0
Mech changed gasket discharge circ.pump dig01,Mech changed rubber gasket top cover dig5, Mech changed gland packing circ.pump dig13,Mech changed gasket check valve
liq.charge dig8. 30-Sep-15
48 1.50
1.5 Mech changed rotor circ.pump dig11.
Total 1329
0.8 50.5
7.2 0.0
0.0 0.0
58.4 0.11
7.01 1.00
0.00 0.00
0.00 8.12
6.0 Dow ntim e
0.83 2.00
4.00 M
ech an
ical In
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t H
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E lect
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O th
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FIBER LINE DOWNTIME SEPTEMBER 2015
DATE D
ig est
er co
o ks
DIGESTER PLANT DOWNTIME SEPTEMBER 2015
Remarks
UNPLANNED DOWNTIME
T o
ta l U
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T o
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P ro
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Universitas Sumatera Utara
xvii
1-Oct-15 44
1.00 1.0
1. Mech changed rotor circ.pump dig13 Loss 1 blow 2. WBL Tanks High Level Loss 3 blow s
2-Oct-15 46
2.97 0.50
3.5
1. Instrument and mechanic changed blow valve dig10, mech changed gasket check valve bottom circ.dig01, Mech changed gasket c\v bottom circ.dig1, Mech changed
circ.pump dig14 Loss 1 blow 2. WBL Tanks high level Loss 1 blow
3-Oct-15 46
0.0 WBL tanks High level Loss 2 Blow s
4-Oct-15 48
0.0 -
5-Oct-15 47
0.0 WBL tanks High level Loss 1 Blow
6-Oct-15 41
0.0 WBL tanks High level Loss 7 Blow s
7-Oct-15 45
0.0 WBL tanks High level Loss 3 Blow s
8-Oct-15 45
0.0
WBL tanks High level Loss 3 Blow s 9-Oct-15
45 0.0
WBL tanks High level Loss 3 Blow s 10-Oct-15
43 0.0
WBL tanks High level Loss 5 Blow s 11-Oct-15
43 0.0
WBL tanks High level Loss 5 Blow s 12-Oct-15
43 0.0
WBL tanks High level Loss 5 Blow s 13-Oct-15
44 0.0
WBL tanks High level Loss 4 Blow s 14-Oct-15
45 0.0
WBL tanks High level Loss 3 Blow s 15-Oct-15
45 0.0
WBL tanks High level Loss 3 Blow s 16-Oct-15
46 0.0
WBL tanks High level Loss 2 Blow s 17-Oct-15
46 0.0
WBL tanks High level Loss 2 Blow s 18-Oct-15
45 0.0
WBL tanks High level Loss 3 Blow s 19-Oct-15
45 0.0
WBL tanks High level Loss 3 Blow s 20-Oct-15
44 0.0
Pow er Failur MFB suddenly tripped Loss 4 Blow s 21-Oct-15
40 0.0
Pow er Failur MFB suddenly tripped Loss 8 Blow s 22-Oct-15
36 0.0
1.Blow tank high level due to Washing problem loss 4 blow s 2. WBL tanks High level loss 8 blow s
23-Oct-15 49
0.0 -
24-Oct-15 50
0.0 -
25-Oct-15 49
0.0 -
26-Oct-15 44
0.0 White liquor limited Loss 4 blow s
27-Oct-15 44
0.0
White liquor limited Loss 3 nlow s , Blow tank high level due to Washing Problem, under electric loss 1 blow
28-Oct-15 45
0.0 White Liquor Limited Loss 3 blow s
29-Oct-15 45
0.0 White Liquor Limited Loss 3 blow s
30-Oct-15 46
0.0 WBL tanks High level Loss 2 Blow s
31-Oct-15 44
0.0 WBL tanks High level Loss 4 Blow s
Total 1388
0.0 4.0
0.5 0.0
0.0 0.0
4.5 0.00
0.53 0.07
0.00 0.00
0.00 0.60
0.0 Dow ntim e
0.00 M
ech an
ical In
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u m
e n
t H
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E lect
ri cal
E lect
ro n
ic
FIBER LINE DOWNTIME OCTOBER 2015
DATE D
ig est
er co
o ks
DIGESTER PLANT DOWNTIME OCTOBER 2015
Remarks
UNPLANNED DOWNTIME
T o
ta l U
n p
la n
n e
d D
o w
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m e
T o
ta l P
la n
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P ro
cess
Universitas Sumatera Utara
xviii
1-Nov-15 43
0.0 WBL tanks High level Loss 5 Blow s
2-Nov-15 21
11.30 11.3
Digester stop cooking as per schedule RB shut dow n loss 27 Blow s 3-Nov-15
12 13.17
13.2 Digester stop cooking due to RB shut dow n Loss 36 Blow s
4-Nov-15 42
0.67 1.00
4.00 5.7
Mech changed gasket check valve top circ.dig3 Loss 1 blow , C\V direct steam cant closed Stack up Loss 1 blow , Digester pre start up after pow er available loss 4
blow s 5-Nov-15
48 0.0
- 6-Nov-15
49 0.0
- 7-Nov-15
50 0.0
- 8-Nov-15
49 0.0
- 9-Nov-15
50 0.0
- 10-Nov-15
48 0.0
- 11-Nov-15
41 0.0
Digester reduce set Cook due to preparation for Annual Shut. 12-Nov-15
41 0.0
Digester reduce set Cook due to preparation for Annual Shut. 13-Nov-15
45 0.0
Digester reduce set Cook due to preparation for Annual Shut. 14-Nov-15
46 0.0
Digester reduce set Cook due to preparation for Annual Shut. 15-Nov-15
7 0.0
Digester stoped cooking due to preparation for Annual Shut 16-Nov-15
0.0 Digester Annual Shut .
17-Nov-15 0.0
Digester Annual Shut . 18-Nov-15
0.0 Digester Annual Shut .
19-Nov-15 0.0
Digester Annual Shut . 20-Nov-15
0.0 Digester Annual Shut .
21-Nov-15
0.0
Digester Annual Shut . 22-Nov-15
0.0 Digester Annual Shut .
23-Nov-15 0.0
Digester Annual Shut . 24-Nov-15
0.0 Digester Annual Shut .
25-Nov-15 12
4.00 4.0
Digester start cooking after pow er steam available loss 2 blow s , Digester stop cooking due to BSW stop Loss 40 blow s . Mach changed gasket top botttom Liq.heater Loss 6
blow s 26-Nov-15
12 9.50
9.5 Digester stop cooking due to fabrication w elding blow tankA Loss 36 blow s
27-Nov-15 31
8.50 8.5
Mech changed gasket safty blow tank A, Mech changed gasket check valve dig06 Loss 17 blow s due to maintenance jobs
28-Nov-15 40
4.00 4.0
Mech changed gasket circ.pump dig04 Loss 8 blow s due to Maintenance jobs 29-Nov-15
36 0.0
Digester stop steaming due to Blow tank full Loss 5 blow s , loss 6 blow s due to long cooking time.
30-Nov-15 42
0.75 7.00
7.8
Digester 6 Cooking BL loss 1 blow , Digester 4 reduce pressure due to rubber gasket leak and changed by mechanic loss 1 cook, Digester delay chip filling due to dig9 chip filling
plug up Loss 4 blow s
Total 765
0.8 33.7
1.0 0.0
0.0 28.5
63.9 0.10
4.68 0.14
0.00 0.00
3.95 8.87
251.1 Dow ntim e
34.87 2.25
24.00 24.00
24.00 24.00
24.00
12.83 20.00
24.00 24.00
24.00 24.00
M ech
an ical
In s
tr u
m e
n t
H yd
rau li
c E
lect ri
cal O
th e
rs
FIBER LINE DOWNTIME NOVEMBER 2015
DATE D
ig est
er co
o ks
DIGESTER PLANT DOWNTIME NOVEMBER 2015
Remarks
UNPLANNED DOWNTIME
T o
ta l U
n p
la n
n e
d D
o w
n ti
m e
T o
ta l P
la n
n e
d D
o w
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m e
P ro
cess
Universitas Sumatera Utara
xix
1-Dec-15 37
0.83 0.8
Delay chips filling due to limit sw itch stocker12 Problem ,repaired by electrical loss 3 blow s . Digester stop blow ing due to Washing plant problem Loss 8 blow s
2-Dec-15 50
0.0 -
3-Dec-15 49
0.0 -
4-Dec-15 38
0.0
Digester delay blow due to Washing plant problem Loss 5 blow s . Digester slow cook due to WL limited loss 5 blow s
5-Dec-15 46
0.0 Digester reduce set cook due to WL limited loss 2 blow s .
6-Dec-15 40
0.0 Digester reduce set cooks due to WL limited loss 8 blow s
7-Dec-15 44
0.0
Digester delay blow due to Washing plant problem loss 2 blow s . Digester reduce set cook due to WL limited loss 2 blow s
8-Dec-15 43
0.0
Digester delay liq.filling due to White Liquor limited Loss 5 blow s 9-Dec-15
45 0.0
Digester delay liq.filling due to White Liquor limited Loss 3 blow s 10-Dec-15
37 0.0
Digester Delay Liq.Filling due to White liquor Limited Loss 11 Blow s 11-Dec-15
44 0.0
Digester delay blow ing due to w ashing plant problem Loss 4 Blow s 12-Dec-15
46 0.0
Digester Loss 2 blow s due to H Factor is high Loss 2 Blow s 13-Dec-15
44 0.0
Digester delay blow ing due to w ashing plant tripped Loss 4 Blow s 14-Dec-15
47
0.75 1.00
1.8
Mech Changed gasket outlet blow valve dig2, Instrument Changed c\v bottomcirc.dig14 Loss 1 blow
15-Dec-15 44
5.08 5.1
Mech changed circ.pump dig14, Mech changed gasket bottom circ.pump dig06, Mech changed gasket c\v bottom circ.dig 14, Mech changed gasket casing circ.pump
dig14. Loss 4 blow s 16-Dec-15
45 0.0
Digester Loss 2 blow s due to H Factor is high 17-Dec-15
46
1.67 1.7
Mech repair top cover dig05 Loss 1 Blow , Digester Loss 1 blow due to H Factor is high
18-Dec-15 43
0.50 0.5
