DEAD LEGS BIOCIDE TREATMENT

Equipment/PID Location Line number valve

TAGRemarks Done Yes/no

LDG 3000 50 Y

LDT 3001 51 Y

LDT 3002 52 Y

LG 3003 53 Y

LT 3004 54 Y

LT 3005 55 Y

LDG 3010 Y

LDT 3011 Y

LDT 3012 Y

LG1 3013 Y

LG2 3013 Y

LDT 3014 Y

LDT 3015 Y

10'' GH300127 OPEN

10'' GH300128 OPEN

12'' GH300129 Y

12'' GH300130 OPEN

Outlet EC313A to closed drain 2"DF350211 9 Y

1" EC313A body drain cold side 1" 10 Y

Outlet EC313B to closed drain 2"DF350213 11 N

1" EC313B body drain cold side 1" 12 N

Outlet EC313C to closed drain 2"DF350215 13 Y

1" EC313C body drain cold side 1" 14 Y

Outlet EC313D to closed drain 2"DF350217 15 N

1" EC313D body drain cold side 1" 16 N

EC313 A/B/C/D by bass cold side 16"GH300096 17 OPEN

LDG2 3020 Y

LDT 3021 Y

LDT 3022 Y

LG1 3023 Y

LG2 3023 Y

LG3 3023 Y

LT 3024 Y

LT 3025 Y

GX310A suction strainer drain 2"DF350080 20 to be done even if pump not running Y

GX310A discharge drain 2"DF350077 21 to be done even if pump not running Y

GX310A suction vent 1"GH310074 22 to be done even if pump not running N

GX310B suction strainer drain 2"DF350080 23 to be done even if pump not running N

GX310B discharge drain 2" 24 to be done even if pump not running N

GX310B suction vent 1"GH310075 25 to be done even if pump not running N

PDV3201A by pass 2" by pass 26 Y

1"Drain of DS320A inlet 1"DF350292 27 Y

3" drain of outlet water 4"PW320028 28 Y

GX320 discharge to oily water package 4"PW400006 29 Y

try-cock 49 Y

LDG3204A 48 Y

LDT3202A 47 Y

LDT 3201A 46 Y

PDV3201B by pass 2" by pass 30 Y

3" drain of outlet water 4"PW320016 31 Y

EC321 by pass 4"PW320028 32 Y

Oily water U/S EC321 to open Drain 2"DO360079 33 Y

Oily water to sand jet DS400 3"PW400058 34 Y

Oily water to sample box 2"PW400042 35 Y

1"Drain of DS320B inlet 3/4" 36 Y

try-cock 45 Y

LDG3204B 44 Y

LDT3202B 43 Y

LDT 3201B 42 Y

DS401( Vendor PID) Drain D/S LV4007 3/4" 37 Y

GX400A discharge drain to closed drain 1"DF350244 38 Y

GX400B discharge drain to closed drain 1"DF350245 39 Y

GX400B PSV 4012B 1 1/2'' PW400054 Y

GX400A PSV 4012A 2 1/2'' PW400056 Y

CA310 water condensate pot 2'' PW400004 require flexible

GX350A recirculation line 2"DF350222 40 Y

GX350B recirculation line 2"DF350223 41 Y

DEAD LEG WHILE DS 320B BY PASS

GX320: pump stopped

DS320B/1955(02) Mini flow GX320 2"PW320025 In Service

GX320

GX320A suction line 6"PW320016 Drain by 3/4"drain valve

GX320A discharge line 4"PW320018 Drain by 3/4"drain valve

GX320B suction line 6"PW320017 Drain by 3/4"drain valve

GX320B discharge line 4"PW320019 Drain by 3/4"drain valve

Instruction: Flush 2 hours after the beginning of biocide treatment

Location Pump Yes / No

DS300 GX822B

DS301 GX822B

DS302 GX822B

PSV3130A (or B) CANCELLED

DA350 GX822B

Suction

GX722/721A/B GX822B

\\vboxsrv\conversion_tmp\scratch_5\[246832403.xls.ms_office.xls]Dead legs

Injection point of Biocide Treatment

PSV3130: no more biocide required due to bonnet destruction of PSV.

PSV3130A/B

DS300

DS301

EC313A/B/C/D

Skimmed oil pipe

DA350/1866

DS320A/1955(02)

DS302

GX310/1954

DS320A/1955(01/02)

DS320B/1955(02/02)