LEGIONELLA - SETRI - page 129

127
Processing
StepCCP
Critical Limit for
HazardControl
Monitoring
Method
Monitoring
Frequency
Corrective
Actions
Verification
Records
Verification
Procedure
Coldwater
distribution
sinks/
showers/
sprayers
0.2-1.0ppm free
residual chlorine,
continuously
Flushingprotocol
specification
Flushing execution
specification
Samples from
distal sites for
DPD chlorine test
Onlinehazard
controlmonitoring
logs
1xperweek
As performed
Facilities
Operations:
Flush the
system and test
the time
required topull
measurable
chlorine to the
outlet. Add3
minutes to
initial flush
time
Weekly log
sheets
Onlinedata
management
system
Facilities
Operations
Supervisor
verifies each
week
Coldwater
distribution
drinking
fountains
MaintenanceperO/M
manual, PMprocedures
and filters (when filters
are used)
FollowO/M
manual
instructions for
each respective
drinking fountain
model
Per
manufacturer
Water
Management
Team reviews
situation
Operations
work logs
Facilities
Operations
Supervisor
verifies each
quarter
Coldwater
distribution
icemachines
Maintenanceper
manufacturers’O/M
manual
FollowO/M
manual
instructions
Every6
months
Water
Management
Team reviews
situation
HVAC group
work logs
Facilities
Operations
Supervisor
verifies each
quarter
Emergency
eyewash and
showers
cold or hot
0.2-1.0ppm free
residual chlorine,
continuously
Flushing1x/wk for
3min
Samples forDPD
test
Onlinehazard
controlmonitoring
logs
Emergency
Showers -1x
permonth
Eyewash -1x
perweek
If no
measurable
chlorine, flush
for 7min or
untilwater is
clear
Operations
work logs
Facilities
Operations
Supervisor
verifies each
month
Heating
120-125
°
F at each
building at hot water
heaters
105-120
°
F at distal
sites for scald control
Visual
thermometers at
hot water heaters
or automated
monitoring
3xperweek
for visual
thermometers
at hot water
heaters or
continuous for
automated
If temperature
is low,
Maintenance is
dispatched to
investigate/repa
ir
Manual logs
or data logger
used for power
plant
Facilities
Operations
Supervisor
verifies each
week
Hot water
distribution
0.2-1.0ppm free
residual chlorine,
continuously
Flushingprotocol
specification
Flushing execution
specification
Samples forDPD
and temperature
measurements at
pre-defined
sample locations.
Onlinehazard
controlmonitoring
logs
1xperweek
Water
Management
Team reviews
data regularly
Weekly log
sheets and
online data
management
system
Facilities
Operations
Supervisor
verifies each
week
Decorative
fountain
treatment
InsideLocations: 1.0-
2.0ppm free residual
chlorine, continuously;
pH7.2-7.8, cyanuric
acid (if used) <20ppm
Outside locations:1.0-
3.0ppm free residual
chlorine, continuously
pH7.2-7.8, cyanuric
acid30-50ppm
Clean filters, check for
cracks and leaks, clean
and vacuum eachweek
DPD chlorine, pH
and cyanuric acid
(if necessary) for
grab samples 2
nd
floor pediatric
unit; 7
th
floor
meditation room
garden fountains.
Onlinehazard
controlmonitoring
logs
3xperweek
1xperweek
If chlorine
levels are low,
addmore
product and
retest.
If solid product
level is low in
dispenser, add
more product
and retest.
If cyanuric acid
is toohigh,
drainhalf the
volume, refill
and retest
Weekly log
sheets; test
results logged
and stored in
Facilites
Operations;
MMSwork
orders and
online data
management
Facilities
Operations
Supervisor
verifies each
week
Table7
1...,119,120,121,122,123,124,125,126,127,128 130,131,132,133,134,135,136,137,138,139,...354
Powered by FlippingBook