Current through Register Vol. 48, No. 38, September 20, 2024
a)
Include a facility layout illustration that 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) Discuss the basis of design and the design
criteria for this treatment facility. Discuss the anticipated raw wastewater
characteristics with respect to:
1)
Composition
2) Loadings
3) Industrial contributors
4) Flow variations
c) Trace the wastewater flow through the
treatment facility 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 the materials, including paints and
lubricants, needed to maintain each unit.
d) Include a valve index with the following
information.
1) Number all valves, stop
gates, slide gates, etc., as shown in the unit illustrations required in
subparagraph (c)(3) above.
2)
Identify the size and type of all valves, stop gates, slide gates,
etc.
3) Indicate the normal
operation setting, i.e. open, closed, etc., for each structure
listed.
e) Discuss the
importance of numbering and tagging the treatment facility valves in accordance
with the valve index.
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
and troubleshooting
4)
Maintenance
