Current through Register Vol. 48, No. 38, September 20, 2024
a)
Include a layout illustration of the sludge handling facilities which clearly
shows the following:
1) Location of all
buildings and other structures;
2)
Location of all equipment, units, and processes;
3) Location of all major bypasses and
alternate flow paths.
b)
Trace the sludge flow through the sludge handling facilities and describe the
operation of each unit in detail. The following information must be provided
for each unit:
1) Purpose
2) Equipment
A) Manufacturer
B) Model number
C) Number of units
D) Description of equipment
3) Unit illustration - individual
unit drawings, diagrams, etc., which clearly illustrate the following:
A) Piping layout
B) Numbered valves, stop gates, slide gates,
etc.
C) Unit bypasses and alternate
flow paths
4)
Relationship to other units
5)
Operation
A) Initial start-up
B) Normal operation
C) Alternate modes of operation
D) Bypassing, shut-down and
drainage
E) Emergency
operation
6) Controls
A) Flow controls
B) Electrical controls
C) Laboratory and other process control
techniques
7)
Operational problems
A) Unit
problems
B) Mechanical
problems
C) Troubleshooting
guide
8) Routine
maintenance considerations
A) Schedule the
inspection, cleaning, lubrication, adjustment, calibration, painting, and any
other routine maintenance activities recommended by the equipment manufacturer.
Maintenance tasks must be scheduled on a daily, weekly, monthly, quarterly,
semi-annual, and annual basis. If appropriate, use "hours of operation" to
schedule preventive maintenance for equipment.
B) List materials, including paints and
lubricants, needed to maintain each unit.
c) Include a valve index with the following
information:
1) Number all valves as shown in
the unit illustrations required in subparagraph (b)(3) above.
2) Identify the size and type of all
valves.
3) Indicate the normal
operational setting, i.e., open, closed, etc. for each structure
listed.
d) Discuss the
importance of numbering and tagging the facility valves in accordance with the
valve index.
e) Outline a
comprehensive plan for sludge handling and disposal for this facility. The plan
must consider seasonal variations, wet and dry weather conditions, weekend
operation, and any other conditions that may affect sludge handling and
disposal.
f) List the references in
the O&M library that supplement discussions of:
1) Operation
2) Laboratory and other process control
techniques
3) Operational
problems
4) Maintenance
