This is advanced technical work in the review of inspection sewer videos produced by a mobile closed circuit television unit in a Miami-Dade Water & Sewer facility.

Employees in this class review digital videos produced by a team of employees conducting internal inspections of sewer lines. Emphasis of the work in on identifying and evaluating defects which allow water infiltration or exfiltration, determining the most cost effective method of repair required and referring to appropriate personnel for repairs. Supervision is received from a technical superior who sets work priorities and confers on work problems.

ILLUSTRATIVE TASKS

Operates television and computer network in reviewing CD or downloaded videos to identify defects in sewer lines; reviews for information concerning sewer conditions including weather at the time of televising, pump station number, manhole numbers, and specific description of the location.

Evaluates each identified defect and determines the method of repair required based on the severity of defect or line segment and economical factors; enter findings into database.

Issues repairs to in-house forces or construction management based on the method of repair required such as pipe replacement, cured in-place liners, fold and form liners, point repairs, robotic point repairs, sectional repairs or grouting; updates database with repair completion dates.

Verifies accuracy and audits sewer system inventory by comparing information received from various methods of inspection such as smoke testing, manhole or TV inspection; atlases and databases.

Performs field surveys noting surface composition such as asphalt, concrete restoration, curb and gutter and driveways; elevation and approximate estimates of water tables; ground composition such as clay or sand; and impediments to construction such as trees, foliage, overhead utilities or structures and noting known crossings of underground facilities and photographing pertinent surface conditions.

Performs related work as necessary.

KNOWLEDGES, SKILLS AND ABILITIES

Knowledge of the types and properties of sewers and construction.

Knowledge of sewer layouts and water flow characteristics.

Knowledge of methods, practices, techniques, materials, tools and equipment employed in detecting and correcting water infiltration into sewer lines.

Knowledge of sewer inspection, maintenance and repair procedures.

Ability to read and interpret maps, blueprints, schematics and plans.

Ability to establish and maintain effective working relationships with employees and supervisors.

Ability to interpret and input data with minimal supervision.

Ability to communicate effectively, both verbally and in writing.

DRAFT/3/01/2007