Current through Register Vol. 41, No. 3, September 23, 2024
A. General. This section contains suggested
and required contents for an Operations and Maintenance Manual. Items followed
by an asterisk (*) should be submitted for treatment works or sewerage systems
with design flows greater than or equal to 1.0 mgd.
1. Title page. The manual shall have a cover
page that gives the title of the manual, the date the manual was prepared in
final form, and the names of the authors of the manual.
2. Table of contents. The manual shall
contain a table of contents that lists chapters and provides sufficient
subsections in each chapter to permit easy identification of topics.
3. Introduction. The manual shall contain an
introduction that briefly describes the organization and purpose of the manual.
The introduction shall emphasize that the manual is operational in scope and
will be updated so that it is not a static compilation of facts.
4. Definitions and terminology. Terms such as
"BOD5" and "Suspended Solids" shall be defined in this
section of the manual.
B. Permit requirements.
1. CTO. The manual shall give the number of
the CTO for the particular treatment works or sewerage system. The permit
requirements shall be listed and discussed. This discussion should include, but
is not limited to the following:
a. The
manner, nature, volume, and frequency of the discharge permitted.
b. Procedures for and frequency of any
domestic or industrial waste monitoring. This may be referenced to the
laboratory testing section, but should include a brief table of testing
procedures and sampling frequencies.
c. Requirements for the operators concerned
with particular treatment works or sewerage systems as outlined by the State
Board for Certification of Operators of Water and Wastewater Works and these
regulations.
d. Legal penalties
under state and federal law applicable to the operator for improper operations,
records, or reports.
e. Any
additional conditions or special restrictions specified by the State Water
Control Board (SWCB), Department of Environmental Quality (DEQ), or any other
concerned regulatory agency.
f. Any
changes in treatment works or sewerage system classification due to future
upgrading or expansion that may have been included in the original construction
plans.
g. Time period for which
permit is valid (expiration date) and any required upgrading that may have to
be accomplished by the time for renewal.
A copy of the certificate and permit issued shall be
included in this section with proper reference made to the appropriate
regulations of the SWCB and DEQ.
2. Spill reporting. This section shall
include a discussion of the federal/state laws and the SWCB/DEQ regulations and
policies requiring reporting of a bypass/spill condition. This discussion
should include, but is not limited to, the following:
a. The owner's responsibilities and
liabilities;
b. Penalties for
violations;
c. Reporting procedures
and requirements;
d. Telephone
numbers for immediate reporting to regulatory agencies and potentially affected
downstream users; and
e. Sample
reporting forms and instructions for completing them.
C. Process descriptions.
1. A flow diagram of the treatment works or
sewerage system that shows all important components of the system.
2. Main line, recirculated, effluent, and
sludge flows, etc., and design average/peak values of such flows.
3. A clear and concise description of each
system component and its purpose, function, and type of treatment.
4. The expected influent/effluent
concentrations and design efficiencies for unit operations and the treatment
process.
5. This section may be
combined with the "Operation and Control" section.
D. Operation and control.
1. Unit operation process description. The
manual shall provide a general operational description of each unit operation.
The descriptions should be brief with appropriate references to more detailed
discussions of the unit operations. The description should physically trace the
sewage flow through the unit operation and contain information on design
efficiency. Pipeline and control schematics, valve location diagrams and
operation keys, hydraulic/organic loadings, etc., should be included.
Supplementary photographs and/or schematic diagrams should be
included.
2. Relationship to
adjacent unit operations. The function of unit operations located upstream,
downstream or off-line from other unit operations should be described as they
relate to other unit operations in the treatment process being
considered.
3. Classification and
control. Classification of each unit operation as conventional, I/A, etc.,
shall be included. The manual shall list and discuss the specific operational
information and control techniques available for each major unit operation in
the treatment process. This section shall be closely correlated with the
specific treatment works or sewerage system operation. Process control
variables such as recirculation ratios, valve/gate positions, pump controls,
chemical feed rates should be included.
4. Common operating problems. Each major unit
operation within the treatment works or sewerage system shall be analyzed and
potential common operating problems defined. Potential problems that are
peculiar to the treatment works or sewerage system under consideration shall be
discussed. General problems that are adequately described in other sources
shall be listed and properly referenced. Control of operating problems shall
address the specific treatment works or sewerage system operation.
5. Laboratory controls. The manual shall list
the laboratory tests that furnish information to evaluate and control the
performance of the unit operation under consideration. Minimum testing
requirements may be included in the operations permit. Expected ranges for the
results of these tests shall also be given.
6. Start-up. The manual shall outline the
steps for start-up of the unit operation. Information shall be provided on the
special monitoring and controlling of the unit operation where treatment
objectives are to be met.
7.
Specific treatment works or sewerage system operation. The manual shall discuss
(i) the normal operation, or the designed conventional loading conditions, of
each unit operation, and (ii) alternate operation for unusual conditions for
each unit operation. Information provided in this section shall enable the
operator to operate the treatment works or sewerage system when it is not in
the "normal operation" mode and shall be checked by the designer. It shall
include methods and procedures with which to return the treatment works or
sewerage system to "normal operation" following the proposed range of alternate
operation conditions that may be encountered. It shall also include procedures
and a logical decision-making process outline for the modifications of the
original design "normal operation" and establishment of alternative operation
conditions.
8. Emergency operation
and failsafe features. The manual shall list and discuss the emergency
operating procedures for the normally expected range of emergencies and
failsafe features, particularly flood events, for each sewage treatment unit
operation.
9. Process chemicals. A
list of process chemicals shall be provided indicating minimum quantities to
keep on hand and methods and precautions for storage.
E. Personnel responsibilities.
1. Operational and managerial responsibility.
The responsibilities of both the operational personnel and the management
personnel shall be clearly defined.
2. Staffing requirements and qualifications.
This section is to reflect the personnel qualifications/certification and
numbers for the treatment works or sewerage system. This should be formulated
considering recommendations from the design engineer and the concerned
regulatory agencies. The staffing plans for administration, supervision,
operation, and maintenance shall be included. Certain positions in the staffing
pattern that require certification by the state law shall be indicated in this
section. Attendance requirements and routine work schedules with general
responsibilities shall be presented. A delineation of training needs for
administration and operational personnel shall be outlined in this
section.
F. Laboratory
testing.
1. Purpose and discussion. This
section of the manual should explain the role of the laboratory in process
control in providing an operating record for the treatment works and in
analyzing problems within a unit operation.
The tests to be performed should be listed or charted, or
both as appropriate, for permit required tests, such as discharge monitoring
reports and process control tests. Sampling locations, frequency, etc., and a
brief description of the analytical test and purpose should also be given. The
detailed discussion of how each type test can be used in controlling or
monitoring a specific unit operation shall be given in the "Operation and
Control" sections. This portion of the manual should be tailored according to
the laboratory staff capabilities of the treatment works under consideration.
The following information shall be provided in this chapter.
2. Sampling program. This section of the
manual shall include:
a. Sampling methods.
(1) Specific methods for obtaining grab and
composite samples.
(2) Locations of
all sampling points.
(3) Sampling
procedures, including where samples are to be collected, and any special
techniques, such as how to make up a composite sample or how to operate
automatic samplers if applicable.
(4) Preservation of samples prior to
analytical measurements.
(5)
Sampling equipment and safety precautions (requirements).
(6) Projected range of test results on
influent and effluent samples.
b. Equipment and chemicals.
(1) Lists of necessary laboratory equipment
and proper usage noting importance of quality control.
(2) List of laboratory chemicals with common
names, chemical names and formulas.
(3) List of suppliers' names, quantities used
and shelf lives.
(4) Discussion of
laboratory inspection.*
c. Operator/laboratory references. All
essential references should be provided for proper laboratory operation. The
detailed procedures for performing each test do not have to be included but
should be properly referenced to one or more of the laboratory references
provided.
d. Interpretation of
laboratory tests.
(1) Expected ranges of
typical results shall be included with explanation of typical transient
differences from typical values.
(2) Detailed discussion in "Operation and
Control" chapters.
e.
Laboratory records. A brief discussion of the purposes for laboratory records
recommended for use by the treatment works should be included.
G. Records and reports.
1. Daily operating log. This section of the
manual shall delineate the requirement that operator's worksheets and daily
operating logs be maintained. A sample log shall be included in the
appendix.
2. Operational
parameters. The daily log should outline the routine operational parameters for
each unit operation, which shall include the minimum operational control tests
required. These shall be adequate to enable proper operation of the
units.
3. General information. This
section of the manual should explain the operating conditions that should be
recorded daily, such as:
a. Unusual
conditions (operational and maintenance).
b. Accidents to personnel.
c. Complaints (odor, etc.).
d. Power consumption.
e. Plant visitors.
f. Personnel on duty/call.
4. Laboratory records. An example
record sheet shall be included in the appendix. Information on the laboratory
record sheet should include the following:
a.
All lab tests to be performed with provisions for listing test results and
summaries.
b. Wastewater flow and
surrounding weather conditions at the time of sampling.
c. Chemicals used.
d. Analyst's name or initials.
e. Laboratory worksheets.
5. Monthly report to state
agencies and federal government. The records section of the manual shall
explain the responsibilities of the operator to report data to the appropriate
agency, the reporting deadlines and how the monthly reports apply to the permit
requirements. Sample forms of the monthly operation report, discharge
monitoring report, etc., shall be provided in the manual's appendix.
6. Industrial and septage contributors. An
inventory of significant industrial waste contributors shall be maintained. All
sewage handlers that deposit septage at the treatment works shall be identified
with pertinent information recorded, such as name of hauling company, volume
deposited, date deposited, and description of the source of the
septage.
7. Annual report.
a. This section of the manual shall discuss
annual reports and who should prepare the report.*
b. The annual report should include
management data relative to cost of operation.
c. Operating data included in the annual
report should include average daily flow and average influent and effluent BOD
and suspended solids for each month.
d. The annual report should include a graph
showing at least 10 years of record (if available); personnel data; and budget
data. An example annual report format shall be included in the appendix as
applicable.
8.
Additional records. The manual shall include specific information where records
are available for reference and shall include:*
a. As-built engineering drawings.
b. Copy of construction
specifications.
c. Equipment
suppliers' manuals.
d. Data cards
on all serviceable equipment.
e.
Construction photographs.
9. Operating costs and record keeping. The
manual shall provide a suggested operating cost breakdown for the treatment
works or sewerage system.*
A record system for monitoring the cost shall be
recommended.*
10. A
personnel records procedure should be recommended that would include
training.*
11. A record of
emergency conditions affecting the treatment works or sewerage system shall be
maintained. A system for maintaining these records shall be
recommended.*
H.
Maintenance.
1. Equipment record system. The
maintenance chapter of the manual shall recommend an equipment record system.
The equipment record system shall contain information on each item of operating
equipment, such as common name, process function, date of purchase,
manufacturer, serial number, availability of spare parts and previous
maintenance. Sample equipment record forms and provision that the forms be made
a supplemental index to the manual shall be included.
2. Equipment numbering system. A numbering
system to identify each item of equipment requiring maintenance shall be
provided for easy identification and to help ensure that all equipment receives
proper attention.
3. Equipment
catalog. A catalog system shall be prepared that lists equipment descriptions,
locations and equipment numbers. The catalog shall contain the following data
for all major items of equipment. The data shall include, but not be limited
to, the following information:
a. Equipment
name;
b. Vendor;
c. Model Number;
d. Serial Number;
e. Make or Type;
f. Pertinent mechanical/electrical data;
and
g. Source of Supply.
4. Planning and scheduling. The
manual shall make recommendations on planning and scheduling maintenance tasks.
Documentation showing the lubrication and other preventive maintenance task
schedules shall be provided. The manual shall recommend that maintenance
records be kept so that a preventive maintenance schedule can be established.
The maintenance records shall provide for inclusion of maintenance problems and
curative procedures. A work order system could be established to initiate all
corrective maintenance tasks.
5.
Storeroom and inventory system. The manual shall make recommendations for
establishing a storeroom and inventory system. The manual shall contain the
spare parts inventory established in accordance with these regulations. The
inventory shall list the minimum and maximum quantities of the spare parts, the
equipment in which they are used, their storage location, replacement
procedures and schedules, reference to addresses of suppliers, and other
pertinent information.
6. Costs and
budgets for maintenance operations. The section shall provide guidelines for
the determination of maintenance cost and the development of maintenance
budgets.
7. Housekeeping. The
manual shall recommend housekeeping activities to be performed.
8. Special tools and equipment. The manual
should provide recommendations or appropriate references on tool room
procedures, the use of tool boards and maintenance required for all special
tools, where appropriate.
9.
Lubrication. The lubrication section of the manual shall appropriately
reference each equipment's lubrication specification. An alternate lubricants
chart shall be provided in this section. The information required by the above
section should be assembled into a lubrication guidebook and be included as an
appendix to the manual.
10.
Electrical equipment information. The manual shall list each major item of
electrical equipment not listed in the equipment catalog.
11. Warranty provision. The manual should
provide a listing of all equipment warranties and pertinent features of each
replacement guarantee. Copies of the warranties shall be included in the
manual's appendix.
12. Service
contracts. The manual shall include a listing of all prearranged outside
contracts for service and repair work.
13. Equipment reference handbook list. A list
of equipment handbooks for reference should be included.
I. Emergency operation and response program.
1. Objectives. The objectives of an Emergency
Operating and Response Program include:
a.
Eliminating or minimizing adverse effects from emergency situations affecting
the treatment works or sewerage system and/or employee welfare.
b. Developing procedures for properly
responding to emergencies.
c.
Providing instruction for personnel.
d. Providing inventories of available
emergency equipment and outlining existing mutual aid agreements and contracts
with outside organizations for specialized assistance.
2. Vulnerability analysis*. A vulnerability
analysis shall be conducted and reported in the manual. A vulnerability
analysis is an estimation of the degree to which the treatment works or
sewerage system is adversely affected, in relation to the function it must
perform by an emergency condition. Expected natural disasters such as flooding
must be investigated and the effects of these disasters must be studied in
order to estimate the treatment works' or sewerage system's
performance.
3. Methods to reduce
vulnerability. Priorities for repair of the treatment works or sewerage system
and alternate equipment provisions in case of light or severe damage are to be
indicated. To reduce vulnerability, training procedures for emergencies for
regular and auxiliary personnel should be included.
4. Emergency equipment inventory. The manual
shall require that, using the spare parts inventory and the results of the
vulnerability analysis, any additional equipment and supplies needed for
emergencies be stockpiled or be available through mutual aid agreements or
contracts. These arrangements must be delineated.
5. Preserving system records. The manual
shall contain procedures for keeping documents containing pertinent information
about the treatment works or sewerage system safe from potential
disasters.
6. Auxiliary personnel
requirements. Procedures for obtaining trained auxiliary personnel in cases of
emergency shall be included in the manual. Procedures for alerting these
personnel should be outlined and periodically updated.
7. Emergency equipment testing. A schedule
for testing of back-up systems such as standby power should be
included.
J. Safety.
1. Requirements. The manual shall inform
personnel of the known hazards, preventive measures, and emergency procedures
applicable to, but not limited to, the following safety items:
a. Electrical hazards;
b. Mechanical equipment hazards;
c. Explosion and fire hazards;
d. Biohazards, i.e., bacterial type
infection;
e. Chlorine
hazards;
f. Oxygen deficiency and
toxic gases;
g. Laboratory
hazards;
h. Safety equipment;
and
i. Process chemical handling
and storage.
2. Safety
references. The manual shall contain a list of safety references of interest to
operating personnel. The manual shall provide a list of all emergency telephone
numbers. The manual should provide a discussion of the importance of good
housekeeping practices in relation to safety, a list of available safety
equipment for process units, a list of number and location of first aid kits
and manuals, a list of safety rules for process and laboratory equipment, and a
key to system piping paint color coding.
K. Utilities*.
1. Requirements. This section shall list the
utilities being used, the sizes and capacities of the lines serving the
treatment works or sewerage system, emergency cutoff procedures, and the
personnel to contact within each utility company to ensure proper response to
routine and emergency situations.
2. Electrical. This section shall contain a
brief statement on the reliability of electrical service. This statement should
be based on studies of past performance and discussions with utility personnel.
The discussion should include clearly defined breakpoints in responsibility for
service facilities between the utility company and the treatment works or
sewerage system owner.
3.
Telephone. The telephone system, if used as an alarm system, should be
described and a statement made as to "failsafe" capabilities.
4. Natural gas. The natural gas utility
company should be named and a description of the service given. A statement of
reliability should be made.
5.
Water. The water system should be described, and a statement of reliability
should be made.
6. Fuel oil. The
manual should list the sources for fuel, the capacities of storage facilities
and procedures for ensuring adequate supplies year round.
L. Appendices.
1. Requirements. This section of the manual
shall include any additional or supplemental material not suitable for
inclusion in the text. As stated in
9VAC25-790-950 A, items followed by
an asterisk (*) are required only for treatment works or sewerage systems with
design flows greater than or equal to 1.0 mgd. The appendix shall begin with an
index.
The following do not have to be duplicated in the
appendices if included elsewhere in the manual.
a. VPDES permit. A copy of any applicable
permit shall be included here if not already included elsewhere in the
manual.
b. Example forms. An
example of all forms, including state and federal reporting forms, laboratory
record forms, etc., to be used shall be included. Instructions for completing
each form shall be given.
c.
Equipment record example. The equipment record example with location and
responsible personnel shall be included.
d. Personnel. Names, addresses and telephone
numbers of personnel should be included.
2. Schematics. Any basic flow diagrams,
process flow sheets, bypass piping diagrams and hydraulic profiles that are not
included in the engineering drawings or manual text shall be placed in an
appendix.
3. Valve Indices.* Valve
indices shall be included in an appendix. Valve indices shall be one, or a
combination, of the following:
a. A complete
tabulation of principal valves, each separately numbered and identified as to
type, location, and function.
b. A
coding system for each type of valve, together with a prefix or suffix
identifying its liquid content or process function, and location of each valve
coded on the construction drawings.
c. Diagrams for principal valves, clusters of
valves, and adjacent piping that are buried.
d. Location through at least two measurements
to nearby permanent above-ground objects.
4. Any chemicals used and suppliers shall be
listed.
a. Storage considerations shall be
discussed.
b. Capacities of dry
chemical storage areas and liquid storage tanks shall be described.
5. A list of the lab chemicals by
common name, chemical name and the chemical formula shall be provided.
Suppliers' names, quantities normally needed, and shelf life of each shall be
given. Storage considerations shall be discussed.
6. An appendix shall give the design criteria
for all unit operations and processes.*
7. The manual furnished with each piece of
equipment shall be bound separately, and the index for these shall be included
in an appendix.
8. A list of
potential sources for the types of repairs and equipment parts required shall
be made and listed in appendix.*
9.
A complete and accurate set of as-built engineering drawings with included shop
drawings shall be furnished immediately following testing and
start-up.*
10. A complete set of
engineering drawings shall be furnished sufficiently in advance of start-up to
permit proper training of operating and maintenance personnel.*
11. Construction photos shall be taken
throughout the construction phase and shall be included or indexed in an
appendix. All pictures shall be labeled and dated.*
12. Copies of warranties and performance
bonds shall be placed in an appendix.*
13. If there is an existing infiltration
ordinance, a copy shall be included.*
14. If there is an existing industrial waste
ordinance, a copy shall be included in an appendix.*
15. The coding system selected for use shall
be outlined.*
16. The various types
of coatings to be used are to be listed with a suggested painting schedule. The
manufacturer's trade name and coating number and color shall be
specified.*
17. A list of essential
references recommended for immediate procurement and a second list giving
references that may be obtained at a later date for use in operation and
maintenance shall be provided.*
18.
The Lubrication Guidebook shall be included.*
Statutory Authority
§ 62.1-44.19 of the Code of Virginia.