This is advanced technical work in engineering drafting for the Miami-Dade Water and Sewer Department.

Employees in this class are responsible for performing a variety of advanced responsible and technical drafting and office engineering tasks. Responsibilities may include preparing and verifying field information concerning water and sewer facilities and structures, drafting engineering drawings pertaining to water and sewer engineering projects, assisting in the preparation of cost estimates, drawing topographic and hydrographic maps and various alterations, assisting the public with information concerning water and sewer facilities, and operating computer-aided design and drafting software. Work requires a considerable knowledge of basic civil engineering principles and practices. Supervision is received from a professional superior who reviews work for quality and adherence to established engineering drafting standards.

ILLUSTRATIVE TASKS

Prepares and verifies field findings for repairs, corrections, improvements and updates of water and sewer conduit systems including structural conditions and infiltration and exfiltration potential; verifies as-built records, plats and sketches.

Prepares plans and detailed layouts of sewage collection systems, pump stations and right-of-way data.

Drafts topographic and hydrographic maps, alterations and updates demonstrating contours, roads, canals, sewer transmission systems and other physical features.

Checks and verifies locations, elevations, dimensions and pertinent statistical data for updates and corrections of as-built data and blueprint information.

Drafts and provides design assistance for wastewater and water treatment systems and facilities; assists with the preparation of cost estimates.

Prepares sketches for new water services, retirement of existing services, new fire lines and new fire hydrants using property surveys and plats, as-built drawings, field survey notes and proposed construction plans.

Supplies developers, engineers, contractors, surveyors and the public with information regarding existing and proposed water and sewer facilities.

Prepares Bill of Sale exhibits for water and sewer agreements; drafts sketches from as-built plans, prepares bill of materials, and clarifies errors and/or omissions with field inspectors.

Prepares exhibits from developer-furnished and surveyor-prepared real property legal descriptions.

Performs related work as required.

KNOWLEDGES, ABILITIES, AND SKILLS

Considerable knowledge of the principles, practices, techniques and instruments of engineering drafting.

Considerable knowledge of mathematics through trigonometry and its application to subprofessional engineering computations.

Considerable knowledge of the basic principles of civil engineering related to topographic surveying and engineering drafting.

Considerable knowledge of blueprints, construction plans and specifications related to water and sewer engineering projects.

Knowledge of computer-aided design and drafting software.

Ability to perform difficult technical engineering computations and to compile engineering data and statistics.

Abilitly to prepare difficult and technical engineering drawings, manually or through the use of a computer-aided design and drafting system.

Ability to read, understand and interpret a wide variety of maps, engineering plans and other technical engineering documents.

Ability to understand and follow complex technical verbal and written instructions.

Skill in the use of engineering drafting instruments and equipment.

NEW 10-96