chaco plant cryogenics plant compressor bldg. poprv deethanizer propane suction valve deeth suction...

Chaco Plant

Cryogenics Plant

Compressor Bldg

POPRV

Deethanizer

Propane Suction Valve

Deeth SuctionValveC-8112

Piping to Common Flare

Header

Block Valve PV

8140D

Cylinders 1 & 2

C-8112

POPRV

Deethanizer

Propane Suction Valve

Deeth SuctionValveC-8112

Anderson Greenwood Valve

Block Valve PV

8140D

Piping to Common Flare

Header

Cylinders 1 & 2

Anderson Greenwood Valve

POPRV

Back Flow Back Flow PreventerPreventer

(not in use at time of explosion)

Piping to Common Flare

Header

POPRV

Deethanizer

Propane Suction Valve

Deeth SuctionValveC-8112

Block Valve PV

8140D

Cylinders 1 & 2

Piping to Common Flare

Header

POPRV

Deethanizer

Propane Suction Valve

Deeth SuctionValveC-8112

Compressor

Block Valve PV

8140D

Piping to Common Flare

Header

Cylinders 1 & 2

Usual Flow During Operation

POPRV

Deethanizer

Propane Suction Valve

Deeth SuctionValve

August 13, 1998 - Maintenance

C-8112

Block Valve PV

8140D

Piping to Common Flare

Header

Cylinders 1 & 2

Keith & Wayland

Piping to Common Flare

Header

POPRV

Deethanizer

Propane Suction Valve

Deeth SuctionValveC-8112

Block Valve PV

8140D

Cylinders 1 & 2

Keith & Wayland

August 13, 1998 - Maintenance

Cylinders 1 & 2

Keith & Wayland

Piping to Common Flare

Header

POPRV

Deethanizer

Propane Suction Valve

Deeth SuctionValveC-8112

Block Valve PV

8140D

Cylinders 1 & 2

Keith & Wayland

UrbanAugust 13, 1998 - Maintenance

Deeth SuctionValve

Urban

POPRV

Deethanizer

Propane Suction Valve

Deeth SuctionValve

August 13, 1998 – Expected Flow

C-8112

Block Valve PV

8140D

Piping to Common Flare

Header

Cylinders 1 & 2

Keith & Wayland

Urban

POPRV

Deethanizer

Propane Suction Valve

Deeth SuctionValve

August 13, 1998 – Actual Flow

C-8112

Block Valve PV

8140D

Piping to Common Flare

Header

Cylinders 1 & 2

Keith & Wayland

Urban

POPRV

Deethanizer

Propane Suction Valve

Deeth SuctionValveC-8112

Block Valve PV

8140D

Piping to Common Flare

Header

Cylinders 1 & 2

Keith & Wayland

UrbanAugust 13, 1998 – Actual Flow

Piping to Common Flare

Header

POPRV

Deethanizer

Propane Suction Valve

Deeth SuctionValveC-8112

Block Valve PV

8140D

Cylinders 1 & 2

Keith & Wayland

UrbanAugust 13, 1998 – Actual Flow

End.