Document ID: EPA-HQ-OW-2004-0002-0528
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2004-11-30T05:00Z

Company:
Kerr_
McGee
Prospect
or
Field
Name:

OCS
Lease
and
Block:
High
Island
379
Visoca
Knoll
826
East
Breaks
602
East
Breaks
642
Platform
Name:

CWIS
Information
Requirements
Number
of
CWISs
HI
379
Neptune
Nansen
Boomvang
Brief
description
of
each
CWIS
(
e.
g.,
sea
chest,

simple
pipe)
Two
(
2)
100%
simple
pipe
Two
(
2)
100%
simple
pipe
Two
(
2)
100%
simple
pipe
two
­
100%
Simple
pipe
Rough
dimensions
of
each
CWIS
and
indicate
whether
CWIS
has
existing
flange
8"
OD
column
pipe
X
97'­
6".
,

fiberbond
8"
OD
column
X
91'­
6"
w
inline
check
12"
OD
column
X
159'
Lg;
109'

surmerged
12"
OD
Column
X
159'
Lg;
109'

surmerged
Screen
type
(
e.
g.,
strainer,
wedge
wire)
with
mesh
size
316
SS
strainer
316
SS
strainer
with
1/
4"

openings
316
SS
strainer,
3/
4"
mesh
square,
13
gauge
wire
316
SS
strainer,
3/
4"
mesh
square,
13
gauge
wire
Total
daily
maximum
design
water
intake
volume
of
each
CWIS
1750
gpm
@
50
psig
discharge
1550
gpm
@
75psig
discharge
3720
gpm
@
50
psig
discharge
3720
gpm
@
50
psig
discharge
Total
daily
water
intake
volume
of
each
CWIS
(

setup
drilling)
N/
A
N/
A
N/
A
N/
A
Total
daily
cooling
water
intake
volume
of
each
CWIS
(
set­
up/
drilling)
N/
A
N/
A
N/
A
N/
A
Design
through
screen
velocity
of
each
CWIS
(
i.
e.,
Q
=
V
*
A)
(
set­
up/
drilling)
10.8
ft/
sec
11.2
ft/
sec
11.5
ft/
sec
11.5ft/
sec
List
purposes
of
cooling
water
intake
(
e.
g.,
cool
crude
oil,
produced
water,
power
generators,
drill
pipe
brakes).
Compressor
and
VRU
cooling
Compressor
Cooling
Compressor
Cooling
,
VRU,

ballasting
Compressor
Cooling
,
VRU,

ballasting
List
purposes
of
cooling
water
intake
(
e.
g.,
cool
crude
oil,
produced
water,
power
generators,
drill
pipe
brakes).
repeat
repeat
repeat
repeat
List
purposes
of
non­
cooling
water
intakes
(
e.
g.,
fire
water,
hotel
loads)
other
than
ballast
water.
firewater;
sewage
treatment,
potable
water
maker
firewater
firewater
firewater
Total
volume
of
water
intake
for
ballasting,
duration
of
ballast
intake,
and
through
screen
velocity
of
ballast
intake.
N/
A
?
?
?

Mitigation
measures
for
reducing
impingement
and
entrainment
of
aquatic
organisms,
and
biofouling
prevention
measures.
strainer
to
reject
larger
aquatic
organisms,
no
chemcial
injection
for
biofouling.
strainer
to
reject
larger
aquatic
organisms,
no
chemcial
injection
for
biofouling.
strainer
to
reject
larger
aquatic
organisms,
no
chemcial
injection
for
biofouling.
strainer
to
reject
larger
aquatic
organisms,
no
chemcial
injection
for
biofouling.

Mitigation
measures
for
reducing
exotic
species
migration
through
ballast
water.
None
None
None
None
CWIS
=
Cooling
Water
Intake
Structure
Platform
Information
OCS
Platform
CWIS
Information
G:\
2250\
PROJ\
ADMIN\
OCS
PLATFORM
CWIS
INFORMATION