South Carolina Voluntary Certification Committee Collection System Operator "Needs-to-Know" Criteria Validated 05/25/2016 Criteria

Transcription

1 1 Units of xpression Defining and measuring units of expression, such as ppm, I mg/l, lbs/mg, etc. Perform necessary calculations I Convert from one unit to another using appropriate references or formulas Time: Days, hours, minutes, and seconds Distance: Tenths, inches, feet yards, and miles Area: Square inches, square feet, square yards and acres Volume Cubic Feet, cubic yards, and gallons Gallons, milliliters, and liters Weight Cubic feet, gallons, pounds Ounces, pounds, and tons Milligrams, grams, kilograms, and pounds Flow: mgd, gpd, gpm, and cfs Head: psi, and feet Dosage: mg/l, ppm, and % I Power: HP and kw I 2 Basic and Applied Math Perform addition, subtraction, multiplication and division of whole numbers and decimals Square and Cube whole numbers, fractions, mixed numbers and decimals Using Conventional Formulas, solve for Diameter and Radius Circumferences Perimeter Area: Surface area, cross-sectional area, and sidewall area for circles, rectangles, and triangles Volume: Circular tanks, pipes, and I rectangular tanks Dosages: lbs and lbs/day I Solutions: Weight of solutions, dilution I (gal of concentrated solution), dosage (mg/l) and percent strength (available) Hydraulics: Total head (suction and I pressure), velocity, and average velocity Pumps: Water HP, Brake HP, and efficiency I lectricity: Power I Motors: Motor HP, Motor KW, and I Motor Power (KW)

2 Wire to Water fficiency I Population quivalent (P): Design flow I and population equivalent Lift Stations: Detention time, filling time I pumping time, emptying time Construction: Slope (ft/ft) and (%) I Flow and Leaks Flow(cfs) I Leakage Rate (gpd/in/mile) I Peaking Factor I Convert fractions to percentage and vice-versa I Plot and interpret graphs, including line, bar, percentage, I and broken line Read Tables I Develop tables I Using Conversion references, convert from nglish to I metric and vice-versa Calculate percent removal for I/I I 3 Basic and Applied Science Identify and describe chemicals used in wastewater I Define and describe the significance of basic concepts I in wastewater chemistry Define basic concepts of soils I Define basic concepts of the hydrologic cycle and hydrology I Perform necessary calculations I 4 Safety Identify basic categories of safety hazards Slips and falls Falling objects Personal injury Infections and infectious diseases Lacerations and contusions Strains and ruptures Bites: Insects, rodents, snake Drowning Toxicants ngulfment Atmospheric: Toxic gases, oxygen deficiency, and explosive Traffic xcavations Fire Mechanical lectrical shock lectrical Arc Flash Noise

3 Identify basic safety procedures Respiratory protection Lock out tag out Safety harness Atmospheric First aid CPR Lifting Describe personal safety procedures Describe basic fire safety procedures Describe chemical safety procedures Describe confined space safety procedures Identify chemical placards Identify and describe use of safety equipment Personal protective gear Traffic control/public safety: Warning devices barricades, cones and tubes, drums, vertical panels, lighting devices, advance warning arrow boards, hign level warning devices, and portable changeable message signs Hazard detection equipment First aid/hygiene 5 Maps and Plans Interpret and use maps and plans Perform necessary calculations Locate utilities from plans I 6 Sources and characteristics Identify sources Domestic/residential Commercial Industrial Pretreatment Infiltration/Inflow Describe source quality and quantity I Identify physical, chemical, and biological characteristics I Describe the effects of the physical, chemical, and I biological characteristics Define pollution prevention concepts and terminology I Define pollution prevention practices I 7 Public Health Principles Public Health Assessments Inspections Investigations Health Risk Public ducation/awareness mergency Preparedness

4 Response Material Identification xposure Limits Data: Physical, Fire and xpolsion, Reactivity Health and Hazard Data Spill/Leak 8 System Types: Sanitary, Storm, and Combined 9 Gravity Collection Systems Building sewers (service lines) Lateral Sewers Branch Sewers Main Sewers Trunk Sewers Intercepting Sewers Outfall Sewers Testing 10 Low Pressure Collection Systems I Gravity Sewers Holding Tanks Grinder Pumps Pressure Mains 11 Vacuum Collection Systems I Vacuum Interface Units Vacuum Mains 12 Lift Stations Wet wells I Testing Dry Wells I lectrical Concepts I Define basic concepts»voltage: Single Phase, Poly Phase»Current»AC/DC Advanced lectrical Concepts»Motor Control Center»Automatic Transfer Switch»Wire to Water fficiency Perform necessary calculations lectrical controls including VFD's I Transformers I Motors: Single phase, poly phase, and variable speed I nclosure: ODP, TFC, xplosion Proof Frame Nema Code Drives: Coupled, direct, speed reducer (belt drive and VFD) I Pumps I

5 Centrifugal: Submersible, flooded suction, and self priming Positive displacement: Diaphragm, piston plunger and progessive cavity Screw Turbine Metering Pneumatic ejector Pump testing Components for each pump Maintenance Hydraulic Concepts Define basic concepts I»Static Head»Dynamic Head»Total Dynamic Head»Cavitation»Net Positive Suction Head Horsepower: Water, Brake I Perform necessary calculations I Pump Curves I Blowers and compressors: Centrifugal and positive displacement I (rotary and piston) Generators I ngines: Gasoline, diesel, and gas I Controls and metering I Signal Generators: Bubblers, electrical probes, floats and ultrasonic Signal Transmitters: lectric, pneumatic, hydraulic, mechanical, and telemetry Signal receivers: Counters, indicators, log scale indicators, totalizers, and recorders Meters Hydraulic: Rotameter lectrical: Amp, watt (watt hour meter), multitesters (VOM), and megger Mechanical: RPM Alarms Controls: Pneumatic, float, hydraulic, electrical telemetry, and timers Corrosion control I Cathodic protection devices Anode rod bags Cathode rod bags Rectifiers Potentiometers

6 mergency response Dehumidifiers Valves I Screening devices I Pressure Sewers and Force Mains I Maintenance I Preventive/Scheduled Predictive mergency 13 System Components Pipes: ACP, CIP, concrete, VCP, DIP, steel, thermoplastic and thermoset plastic Pipe joints: Gasketed, flanged, cement mortar, solvent cement compression, welded, heat fusion, bituminous, elastomeric sealing compound, mastic, dresser, victaulic, fused, and threaded Valves: Ball, check, globe, gate, plug, petcock, pressure control, vacuum relief, mud, butterfly, multiport, telescoping, sluice gate, air release, and foot Fittings: Coupling, union, plugs/caps, and special Manholes Cleanouts Inverted Siphons Diversion Structures Pump Stations Catch Basins Force Main Hydrants 14 Cleaning and Maintenance Preventive-Scheduled/Predictive/mergency Sanitary Sewer Overflows stimating Overflow Amount I Stoppages Fats, oils, grease (FOG) Roots Debris Vandalism Hydraulic Combination Cleaner High Velocity Cleaning Machines Flushing Scooter Kites, bags, and poly pigs Mechanical Power Bucket Power rodders

7 Hand rods Chemical Cleaning Sewer lines and system components Sewers Manholes/cleanouts Inverted siphons Diversion structures Catch basin Cross connection and backflow prevention devices Wet Wells 15 Inspection and Testing Sewer lines and system components I Sewers Manholes/cleanouts Inverted siphons Diversion structures Catch basin Closed circuit television I Smoke I Pump stations I Force mains Dye I Lamping Low pressure vacuum sewer I Air and water I Acoustic I Vacuum I Mandrel I quipment Required I Purpose I Frequency I Public Notification I Manpower Required (Site Specific) I 16 Construction, Repair, and Replacement Safety: Personal, public, traffic Damage I Improper taps Roots Corrosion Physical damage xcavation quipment I Hand tools Trenching machines Backhoes/trackhoes Clamshells/draglines

8 Dump trucks Boring and tunneling machines Shoring/shielding/sloping/benching Lasers Special equipment such as GPS Automatic level Rolling stock: Service vehicles, forklifts, trucks, trailers, lawn mowers, loaders, portable pumps tractors, and generators Location of utilities Soils»Condition»Classification Shoring/shielding/sloping/benching Spoil Regulations Types: Hydraulic, screw jacks, air shores, solid I sheeting, cylinder shoring, pneumatic, and shields Sewers I Bedding Laying: Handling, placement, joining, and protection Compaction: Compaction and surface restoration Manholes Raising frames and covers Repair of bottoms I Inside drops/outside drops/inside-inside drops I Barrels I Inspection I 17 Sewer Rehabilitation Perventive vs mergency I Corrosion I Grouting and sealing I Trenchless technology I Cured-in-place (CIPP) Sliplining Deformed and reshaped Pipe bursting Internal spot repairs Manhole rehabilitation I Service line rehabilitation I Inspection I Testing I Spark Product thickness Product quality Closed-circuit television

9 Pre/Post rehabilitation flow monitoring 18 Infiltration/Inflow/xfiltration Detection and Correction SSS I Detection methods I Infiltration/exfiltration I Defective and cracked pipes Pipe joints Connections Manholes Inflow I Roof leaders Drains: Cellar, yard, area, foundation, and street Sump pumps Breaks Manhole covers Connections: Storm and catch basins Cooling water discharge 19 Flow Measurement Manual I Flow meters I Magnetic flow meter Parshall flumes Proportional weir Rectangular weir Ultrasoinc Radar Permanent vs Temporary Primary Device I Secondary Device I Hydrographs Site Locations I Rainfall Groundwater 20 Chemical Addition Roots I Grease I Corrosion I Rodents and insects I Disinfection I Applications: Flooding, spraying, and foaming I Chemical feeders: solids, liquids, gas, slurry, and evaporators I Testing I 21 Odor Control I

10 Hydrogen peroxide Pure oxygen Lime Sodium hydroxide Iron salts Masking agents Other chemicals Testing South Carolina Voluntary Certification Committee 22 Right of Ways/asements Maintenance and equipment: Mechanical and chemical Acquisition I 23 Operation and Maintenance Management I quipment/collection System Preventive maintenance Predictive Maintenance mergency lective Scheduled Rolling Stock Heavy quipment 24 Information and Record Keeping Past Records I Plans For Future I Detailed Notes/Documentation Revenues I xpenditures I Capital Improvement Plan (CIP) I System Inventory I quipment Inventory 25 mergency Response Initial Contact/Report Assessment Action Plan I Notification and Documentation I 26 Public Relations Know The Customer Customer is NOT the NMY Communicate Your Attitude Counts Be Knowlegable Technical Skills Human Skills Media Skills 27 Security

11 Vandalism Criminal I Saboteur mployee Cyber Site Attack Physical Threats Vulnerability Threats I Site Security Measures I National Infrasturcture Protection Center I 28 Information Management Systems I Manual CMMS: GIS, GPS, and databases 29 Administration Goals and objectives Benchmarking Planning Personnel Finances Operation and maintenance management Information and record keeping Safety mergency response Public relations Security Laws, regulations, compliance issues Design review Inventory control SSS CMOM Long Range CIP References for Study Sacramento Manuals I & II latest edition OSHA Website: osha.gov Wastewater Collection System Operator Certification Studybook WF I& I& I& I& I& I& I& I& I& I& I&