AUC 150 Iroquois Pipeline

Question 0

Iroquois

What is added to NATURAL GAS to give it an ODOR?1.1

Answer 0

MERCAPTAN

gives natural gas an odor for detection purposes

Question 1

Iroquois
What does the Iroquois Pipeline consists PRIMARILY of?
What does the pipeline carry? 1.1

Answer 1

A SINGLE 24” HIGH STRENGTH STEEL PIPELINE various VALVES and a METER/REGULATING station

Pipeline carries NATURAL GAS that is under pressure in a
GASEOUS STATE

Question 2

Iroquois 1.1
What does NOT BELONG?
Natural gas is 
COLORLESS
LIGHTER THAN AIR
ROTTEN EGGS (odor)
ASPHYXIANT
Combustible in concentrations 10% to 15%
TOXIC

Answer 2

Natural GAS IS
COLORLESS
ODORLESS
ASPHYXIANT
LIGHTER THAN AIR
NON TOXIC
COMBUSTIBLE IN 5% to 15%

Question 3

Iroquois 1.2

What is the MAXIMUM allowable operating pressure?

Answer 3

1440 psig

Typically operates in 400psig to 1100psig range

Question 4

Iroquois
How many AUTOMATIC VALVES can be controlled by the Iroquois
Gas Control Center in Shelton Connecticut that are located in Hunts Point? 3.1.1

Answer 4

2 automatic valves

1 is located where pipe makes landfall at Hunts Point (E13-1)
1 is located within Hunts Point facility (E14-1)

Question 5

Iroquois

Who will perform the SHUTDOWN of MANUAL VALVES?3.1.1

Answer 5

Con Edison/Iroquois QUALIFIED personnel

Question 6

Iroquois
Which cabinet and how many SETS of controls manually OPEN or CLOSE the valves by utilizing gas pressure or by HAND PUMPING the valves?3.2.1

Answer 6

SMALLER CABINET
contains
2 SETS OF CONTROLS

cabinets also contains DIRECTION and DIAGRAMS on how to operate the valves

Question 7

Iroquois. 3.4.1
How many TURNS does the BURIED MANUAL VALVE requires to be turned CLOSED?
Where is the SPECIAL MANUAL WRENCH?
Who carries the SPECIAL HYDRAULIC WRENCH?
Where is the BACKUP HYDRAULIC WRENCH stored?3

Answer 7

213 TURNS

Just inside the entrance gate(special manual wrench

Rescue 3(special hydraulic wrench)

At the COMMAND POST (backup hydraulic wrench)

Question 8

Iroquois 4.2

What will the COMMAND POST contain?

Answer 8

Hardwire TELEPHONE
Special WRENCH
Emergency CONTACT #s
Windsock
Maps

Question 9

Iroquois 4.5

What is an exception for the FDNY to shutdown valve without approval from ConEd/Iroquois personnel?

Answer 9

In the event of IMMEDIATE threat to
LIFE
or
PROPERTY

Question 10

Iroquois

Unit Alarm Assignments/INSTRUCTION CARDS will indicate what to a company thats RESPONDING?

Answer 10

Will indicate if the company responds to the
INCIDENT COMMAND POST
or
STAGING AREA

Question 11

Iroquois
Who has been issued INSTRUCTION CARDS?
How many?
Where are they LOCATED?

Answer 11

Each 1st thru 3rd ALARM UNITS

2 Unit Alarm Assignment/ Instruction Cards

1 on the apparatus
1 placed at HOUSEWATCH (clearly marked n protected)

Question 12

Iroquois

What are DUTIES of units that may involve in responding to the pipeline? 5.3

Answer 12

Manually shutting down valves
And/or
Patrolling the pipeline
To locate reported LEAK or FIRE

Question 13

Iroquois

How is LEAK DETECTION accomplished in the pipeline?

Answer 13

Monitoring the PRESSURE

There is a dynamic leak detection system incorporated into the design of the pipeline

Question 14

Iroquois

Isolation duties are typically carried out by who?

Answer 14

Iroquois Gas Control Center

Question 15

Iroquois 7.1.1

What are the initial actions of units responding to pipeline boxes?

Answer 15

Set up a PERIMETER
And
ELIMINATE source of ignition

(If natural gas has ignited CONSIDER shutting DOWN the GAS SUPPLY)

Question 16

Iroquois7.1.2
T/F
The use of FOG LINES will be preferred in hindering the dissipation of gas?

Answer 16

False
Due to EXTREMELY HIGH PRESSURE found in the pipeline system, consideration shall be given to allow ESCAPING GAS to NATURALLY disperse into atmosphere WITHOUT the use of FOG LINES. FOG LINES may hinder operations

Question 17

Iroquois 7.2.1

What is the PRIMARY CONSIDERATION taken by the FD?

Answer 17

Evacuation of AREA INVOLVED

Question 18

Iroquois 7.2.3
Which unit(s) patrol the pipeline to LOCATE the LEAK?

Answer 18

Squad Company
Or
SOC Support Ladder Co

If Rescue,Squad or SOC Ladder Co personnel are NOT AVAILABALE,
the IC Shall order available units to perform duties.

Question 19

Iroquois
How far away MUST flag persons be at an incident that may involve the pipeline with active railroad tracks?
What are they equipped with?

Answer 19

1000 ft on each side

HANDI Talkie
And
FLASHLIGHT

Question 20

Iroquois

How many type(s) of drill are conducted during the year with the IROQUOIS PIPELINE?

Answer 20

Two types of drill:
Familiarization Drill (Oct/Nov)
and
Borough Drill(April/May)

Question 21

Iroquois 8.1

Which drill can we FULLY shut the valve?

Answer 21

Not to be FULLY CLOSED
NOTE 8.1
Partial Closure of the valve may be permitted after consultation w/ pipeline personnel.Under NO CIRCUMSTANCES will full closure of these valves be permitted during drills.