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Official Course
Description: MCCCD Approval: 5-28-1996 |
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WWM130
1996 Fall – 2010 Fall |
LEC
3.0 Credit(s) 3.0 Period(s) 3.0 Load Occ |
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Wastewater
Collection Systems Operation and Maintenance |
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Overview
of wastewater collection systems with an emphasis on inspection and cleaning
of sewer systems. Safety considerations, maintenance and underground repair
procedures also covered. Prerequisites: None. |
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Go to Competencies Go to Outline
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MCCCD
Official Course Competencies: |
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WWM130 1996
Fall – 2010 Fall |
Wastewater Collection Systems Operation and Maintenance |
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1.
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Explain the purpose of a wastewater collection system. (I)
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2.
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Explain the type of work done by wastewater collection
systems operators. (I) |
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3.
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List the parts of a wastewater collection system and
explain the purpose of each part. (I) |
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4.
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Identify sources and calculate quantities of wastewater
flow. (I) |
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5.
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Identify safety procedures required when maintaining a
wastewater collection system. (I) |
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6.
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Explain procedures for inspecting existing sewers for
operation and maintenance problems. (II) |
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7.
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Explain procedures for testing for leaks in joints, taps,
sewers, and manholes. (II) |
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8.
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Explain methods for locating and determining seriousness
of inflow, infiltration, exfiltration, and
diversion flow problems. (II) |
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9.
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Explain methods to identify and evaluate damage due to
corrosion, cracking, crushing, subsidence, root intrusion, stoppages,
washouts and improper connections. (II) |
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10.
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Identify types and causes of sewer stoppages. (III) |
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11.
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Select proper methods to clear stoppages and clean sewers.
(III) |
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12.
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Determine equipment and staffing requirements for various
sewer clearing and cleaning methods. (III) |
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13.
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Develop a preventive maintenance program for sewer
clearing and cleaning. (III) |
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14.
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Develop a program to control odors and corrosion from
hydrogen sulfide. (III) |
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15.
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Explain procedures to safely repair or construct sewer
lines and manholes. (IV) |
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16.
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Describe shoring regulations. (IV) |
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17.
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Explain procedures for excavating, repairing and
backfilling service and man lines. (IV) |
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18.
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Explain procedures for sealing leaky sewers. (IV) |
Go to Description Go to top of
Competencies
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MCCCD
Official Course Outline: |
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WWM130 1996
Fall – 2010 Fall |
Wastewater Collection Systems Operation and Maintenance |
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I. Wastewater Collection
Systems A. Terms B. Purpose C. Operators 1. Duties 2. Qualifications 3. Compensation D. Quantity of Wastewater E. Components 1. Gravity Collection
System 2. Low Pressure Collection
System 3. Vacuum Collection System
4. Appurtenances F. Design G. Plan and Profile H. Design and Review I. Safety Procedures 1. Vehicles 2. Equipment 3. Manhole Hazards 4. Electrical 5. Gas Detection 6. Noise Levels 7. Fire II. Inspection A. Terms B. Purpose C. Types of Problems 1. Corrosion 2. Cracking 3. Crushing 4. Subsidence 5. Root Intrusion 6. Washouts 7. Improper Connections D. Inflow and Infiltration E. Manholes 1. Purpose 2. Safety 3. Equipment 4. Procedures 5. Frequency F. Joints and Taps G. Types of Inspection 1. Closed-Circuit
Television 2. Smoke 3. Dye 4. Pipeline Lamping 5. Air and Water H. Exfiltration
I. Diversion Flow III. Pipeline Cleaning and
Maintenance A. Terms B. Sewer Stoppages C. Methods 1. Hydraulic 2. Mechanical 3. Chemical D. Cleaning Equipment E. Staffing F. Maintenance Program G. Hydrogen Sulfide Control
IV. Underground Repair A. Terms B. Types C. Safety D. Shoring E. Service Lines F. Main Lines G. Sealing H. Manholes |
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