Job Duties Custom List 13-1051.00 — Cost Estimators
- Visit site and record information about access, drainage and topography, and availability of utility services.
Occupations with related tasks Save Table: XLSX CSV
- Inspect surface to be covered to ensure that it is firm and dry.
- Determine traffic areas and decide location of seams.
- Sweep, scrape, sand, or chip dirt and irregularities to clean base surfaces, correcting imperfections that may show through the covering.
- Cut flooring material to fit around obstructions.
- Trim excess covering materials, tack edges, and join sections of covering material to form tight joint.
- Form a smooth foundation by stapling plywood or Masonite over the floor or by brushing waterproof compound onto surface and filling cracks with plaster, putty, or grout to seal pores.
- Measure and mark guidelines on surfaces or foundations, using chalk lines and dividers.
- Cut covering and foundation materials, according to blueprints and sketches.
- Roll and press sheet wall and floor covering into cement base to smooth and finish surface, using hand roller.
- Apply adhesive cement to floor or wall material to join and adhere foundation material.
- Lay out, position, and apply shock-absorbing, sound-deadening, or decorative coverings to floors, walls, and cabinets, following guidelines to keep courses straight and create designs.
- Remove excess cement to clean finished surface.
- Disconnect and remove appliances, light fixtures, and worn floor and wall covering from floors, walls, and cabinets.
- Heat and soften floor covering materials to patch cracks or fit floor coverings around irregular surfaces, using blowtorch.
- Inspect surface to be covered to ensure that it is firm and dry.
- Determine traffic areas and decide location of seams.
- Inspect ceiling or floor tile, wall coverings, siding, glass, or woodwork to detect broken or damaged structures.
- Examine structural timbers and supports to detect decay, and replace timbers as required, using hand tools, nuts, and bolts.
- Follow established safety rules and regulations and maintain a safe and clean environment.
- Measure and mark cutting lines on materials, using a ruler, pencil, chalk, and marking gauge.
- Assemble and fasten materials to make frameworks or props, using hand tools and wood screws, nails, dowel pins, or glue.
- Study specifications in blueprints, sketches, or building plans to prepare project layout and determine dimensions and materials required.
- Shape or cut materials to specified measurements, using hand tools, machines, or power saws.
- Verify trueness of structure, using plumb bob and level.
- Erect scaffolding or ladders for assembling structures above ground level.
- Install structures or fixtures, such as windows, frames, floorings, trim, or hardware, using carpenters' hand or power tools.
- Maintain records, document actions, and present written progress reports.
- Remove damaged or defective parts or sections of structures and repair or replace, using hand tools.
- Maintain job records and schedule work crew.
- Anchor and brace forms and other structures in place, using nails, bolts, anchor rods, steel cables, planks, wedges, and timbers.
- Bore boltholes in timber, masonry or concrete walls, using power drill.
- Install rough door and window frames, subflooring, fixtures, or temporary supports in structures undergoing construction or repair.
- Dig or direct digging of post holes and set poles to support structures.
- Cover subfloors with building paper to keep out moisture and lay hardwood, parquet, or wood-strip-block floors by nailing floors to subfloor or cementing them to mastic or asphalt base.
- Construct forms or chutes for pouring concrete.
- Arrange for subcontractors to deal with special areas, such as heating or electrical wiring work.
- Build or repair cabinets, doors, frameworks, floors, or other wooden fixtures used in buildings, using woodworking machines, carpenter's hand tools, or power tools.
- Finish surfaces of woodwork or wallboard in houses or buildings, using paint, hand tools, or paneling.
- Select and order lumber or other required materials.
- Work with or remove hazardous material.
- Fill cracks or other defects in plaster or plasterboard and sand patch, using patching plaster, trowel, and sanding tool.
- Prepare cost estimates for clients or employers.
- Perform minor plumbing, welding, or concrete mixing work.
- Apply shock-absorbing, sound-deadening, or decorative paneling to ceilings or walls.
- Build sleds from logs and timbers for use in hauling camp buildings and machinery through wooded areas.
- Inspect ceiling or floor tile, wall coverings, siding, glass, or woodwork to detect broken or damaged structures.
- Examine structural timbers and supports to detect decay, and replace timbers as required, using hand tools, nuts, and bolts.
- Measure factors that affect installation and arrangement of equipment, such as distances to be spanned by wire and cable.
- Visit proposed installation sites and draw rough sketches of location.
- Draft detail and assembly drawings of design components, circuitry or printed circuit boards, using computer-assisted equipment or standard drafting techniques and devices.
- Draft working drawings, wiring diagrams, wiring connection specifications, or cross-sections of underground cables, as required for instructions to installation crew.
- Assemble documentation packages and produce drawing sets to be checked by an engineer or an architect.
- Review completed construction drawings and cost estimates for accuracy and conformity to standards and regulations.
- Consult with engineers to discuss or interpret design concepts, or determine requirements of detailed working drawings.
- Confer with engineering staff and other personnel to resolve problems.
- Design electrical systems, such as lighting systems.
- Draw master sketches to scale showing relation of proposed installations to existing facilities and exact specifications and dimensions.
- Review work orders or procedural manuals and confer with vendors or design staff to resolve problems or modify design.
- Locate files relating to specified design project in database library, load program into computer, and record completed job data.
- Examine electronic schematics and supporting documents to develop, compute, and verify specifications for drafting data, such as configuration of parts, dimensions, or tolerances.
- Compare logic element configuration on display screen with engineering schematics and calculate figures to convert, redesign, or modify element.
- Review blueprints to determine customer requirements and consult with assembler regarding schematics, wiring procedures, or conductor paths.
- Study work order requests to determine type of service, such as lighting or power, demanded by installation.
- Explain drawings to production or construction teams and provide adjustments, as necessary.
- Reproduce working drawings on copy machines or trace drawings in ink.
- Generate computer tapes of final layout design to produce layered photo masks or photo plotting design onto film.
- Determine the order of work and the method of presentation, such as orthographic or isometric drawing.
- Key and program specified commands and engineering specifications into computer system to change functions and test final layout.
- Copy drawings of printed circuit board fabrication using print machine or blueprinting procedure.
- Select drill size to drill test head, according to test design and specifications, and submit guide layout to designated department.
- Plot electrical test points on layout sheets and draw schematics for wiring test fixture heads to frames.
- Write technical reports and draw charts that display statistics and data.
- Supervise and coordinate work activities of workers engaged in drafting, designing layouts, assembling, or testing printed circuit boards.
- Train students to use drafting machines and to prepare schematic diagrams, block diagrams, control drawings, logic diagrams, integrated circuit drawings, or interconnection diagrams.
- Prepare and interpret specifications, calculating weights, volumes, or stress factors.
- Supervise or train other technologists, technicians, or drafters.
- Use computer-aided drafting equipment or conventional drafting stations, technical handbooks, tables, calculators, or traditional drafting tools, such as boards, pencils, protractors, or T-squares.
- Measure factors that affect installation and arrangement of equipment, such as distances to be spanned by wire and cable.
- Visit proposed installation sites and draw rough sketches of location.
- Inspect structures to assess material or equipment needs, to establish the sequence of pipe installations, or to plan installation around obstructions, such as electrical wiring.
- Inspect work sites for obstructions or holes that could cause structural weakness.
- Shut off steam, water, or other gases or liquids from pipe sections, using valve keys or wrenches.
- Install underground storm, sanitary, or water piping systems, extending piping as needed to connect fixtures and plumbing.
- Assemble pipe sections, tubing, or fittings, using couplings, clamps, screws, bolts, cement, plastic solvent, caulking, or soldering, brazing, or welding equipment.
- Locate and mark the position of pipe installations, connections, passage holes, or fixtures in structures, using measuring instruments such as rulers or levels.
- Cut, thread, or hammer pipes to specifications, using tools such as saws, cutting torches, pipe threaders, or pipe benders.
- Lay out full scale drawings of pipe systems, supports, or related equipment, according to blueprints.
- Plan pipe system layout, installation, or repair, according to specifications.
- Review blueprints, building codes, or specifications to determine work details or procedures.
- Select pipe sizes, types, or related materials, such as supports, hangers, or hydraulic cylinders, according to specifications.
- Fill pipes or plumbing fixtures with water or air and observe pressure gauges to detect and locate leaks.
- Direct helpers engaged in pipe cutting, preassembly, or installation of plumbing systems or components.
- Inspect, examine, or test installed systems or pipe lines, using pressure gauge, hydrostatic testing, observation, or other methods.
- Install pipe assemblies, fittings, valves, appliances such as dishwashers or water heaters, or fixtures such as sinks or toilets, using hand or power tools.
- Anchor steel supports from ceiling joists to hold pipes in place.
- Attach pipes to walls, structures, or fixtures, such as radiators or tanks, using brackets, clamps, tools, or welding equipment.
- Modify, clean, or maintain pipe systems, units, fittings, or related machines or equipment, using hand or power tools.
- Install automatic controls to regulate pipe systems.
- Estimate time, material, or labor costs for use in project plans.
- Keep records of work assignments.
- Maintain or repair plumbing by replacing defective washers, replacing or mending broken pipes, or opening clogged drains.
- Repair or remove and replace system components.
- Cut openings in structures to accommodate pipes or pipe fittings, using hand or power tools.
- Install green plumbing equipment, such as faucet flow restrictors, dual-flush or pressure-assisted flush toilets, or tankless hot water heaters.
- Install pipe systems to support alternative energy-fueled systems, such as geothermal heating or cooling systems.
- Install fixtures, appliances, or equipment designed to reduce water or energy consumption.
- Repair hydraulic or air pumps.
- Weld small pipes or special piping, using specialized techniques, equipment, or materials, such as computer-assisted welding or microchip fabrication.
- Operate motorized pumps to remove water from flooded manholes, basements, or facility floors.
- Inspect structures to assess material or equipment needs, to establish the sequence of pipe installations, or to plan installation around obstructions, such as electrical wiring.
- Inspect work sites for obstructions or holes that could cause structural weakness.
- Conduct engineering site audits to collect structural, electrical, and related site information for use in the design of residential or commercial solar power systems.
- Create plans for solar energy system development, monitoring, and evaluation activities.
- Design or coordinate design of photovoltaic (PV) or solar thermal systems, including system components, for residential and commercial buildings.
- Provide technical direction or support to installation teams during installation, start-up, testing, system commissioning, or performance monitoring.
- Create electrical single-line diagrams, panel schedules, or connection diagrams for solar electric systems, using computer-aided design (CAD) software.
- Perform computer simulation of solar photovoltaic (PV) generation system performance or energy production to optimize efficiency.
- Review specifications and recommend engineering or manufacturing changes to achieve solar design objectives.
- Develop design specifications and functional requirements for residential, commercial, or industrial solar energy systems or components.
- Develop standard operation procedures and quality or safety standards for solar installation work.
- Create checklists for review or inspection of completed solar installation projects.
- Perform thermal, stress, or cost reduction analyses for solar systems.
- Test or evaluate photovoltaic (PV) cells or modules.
- Design or develop vacuum tube collector systems for solar applications.
- Conduct engineering site audits to collect structural, electrical, and related site information for use in the design of residential or commercial solar power systems.
- Examine brickwork or structure to determine need for repair.
- Measure distance from reference points and mark guidelines to lay out work, using plumb bobs and levels.
- Construct corners by fastening in plumb position a corner pole or building a corner pyramid of bricks, and filling in between the corners using a line from corner to corner to guide each course, or layer, of brick.
- Apply and smooth mortar or other mixture over work surface.
- Calculate angles and courses and determine vertical and horizontal alignment of courses.
- Break or cut bricks, tiles, or blocks to size, using trowel edge, hammer, or power saw.
- Interpret blueprints and drawings to determine specifications and to calculate the materials required.
- Remove excess mortar with trowels and hand tools, and finish mortar joints with jointing tools, for a sealed, uniform appearance.
- Fasten or fuse brick or other building material to structure with wire clamps, anchor holes, torch, or cement.
- Clean working surface to remove scale, dust, soot, or chips of brick and mortar, using broom, wire brush, or scraper.
- Mix specified amounts of sand, clay, dirt, or mortar powder with water to form refractory mixtures.
- Remove burned or damaged brick or mortar, using sledgehammer, crowbar, chipping gun, or chisel.
- Lay and align bricks, blocks, or tiles to build or repair structures or high temperature equipment, such as cupola, kilns, ovens, or furnaces.
- Spray or spread refractory material over brickwork to protect against deterioration.
- Examine brickwork or structure to determine need for repair.
- Inspect the surface to be covered to determine its condition, and correct any imperfections that might show through carpet or cause carpet to wear unevenly.
- Roll out, measure, mark, and cut carpeting to size with a carpet knife, following floor sketches and allowing extra carpet for final fitting.
- Join edges of carpet and seam edges where necessary, by sewing or by using tape with glue and heated carpet iron.
- Cut and trim carpet to fit along wall edges, openings, and projections, finishing the edges with a wall trimmer.
- Plan the layout of the carpet, allowing for expected traffic patterns and placing seams for best appearance and longest wear.
- Stretch carpet to align with walls and ensure a smooth surface, and press carpet in place over tack strips or use staples, tape, tacks or glue to hold carpet in place.
- Take measurements and study floor sketches to calculate the area to be carpeted and the amount of material needed.
- Install carpet on some floors using adhesive, following prescribed method.
- Clean up before and after installation, including vacuuming carpet and discarding remnant pieces.
- Measure, cut and install tackless strips along the baseboard or wall.
- Nail tack strips around area to be carpeted or use old strips to attach edges of new carpet.
- Cut carpet padding to size and install padding, following prescribed method.
- Fasten metal treads across door openings or where carpet meets flooring to hold carpet in place.
- Draw building diagrams and record dimensions.
- Move furniture from area to be carpeted and remove old carpet and padding.
- Cut and bind material.
- Inspect the surface to be covered to determine its condition, and correct any imperfections that might show through carpet or cause carpet to wear unevenly.
- Inspect buildings to identify required weatherization measures, including repair work, modification, or replacement.
- Test combustible appliances, such as gas appliances.
- Determine amount of air leakage in buildings, using a blower door machine.
- Test and diagnose air flow systems, using furnace efficiency analysis equipment.
- Install and seal air ducts, combustion air openings, or ventilation openings to improve heating and cooling efficiency.
- Recommend weatherization techniques to clients in accordance with needs and applicable energy regulations, codes, policies, or statutes.
- Apply insulation materials, such as loose, blanket, board, and foam insulation to attics, crawl spaces, basements, or walls.
- Make minor repairs using basic hand or power tools and materials, such as glass, lumber, and drywall.
- Prepare cost estimates or specifications for rehabilitation or weatherization services.
- Contact residents or building owners to schedule appointments.
- Wrap air ducts and water lines with insulating materials, such as duct wrap and pipe insulation.
- Prepare and apply weather-stripping, glazing, caulking, or door sweeps to reduce energy losses.
- Clean and maintain tools and equipment.
- Apply spackling, compounding, or other materials to repair holes in walls.
- Explain recommendations, policies, procedures, requirements, or other related information to residents or building owners.
- Maintain activity logs, financial transaction logs, or other records of weatherization work performed.
- Explain energy conservation measures, such as the use of low flow showerheads and energy-efficient lighting.
- Prepare or assist in the preparation of bids, contracts, or written reports related to weatherization work.
- Install storm windows or storm doors and verify proper fit.
- Wrap water heaters with water heater blankets.
- Inspect buildings to identify required weatherization measures, including repair work, modification, or replacement.
- Collect data about existing client hardware, software, networking, or key business processes to inform implementation of radio frequency identification device (RFID) technology.
- Identify operational requirements for new systems to inform selection of technological solutions.
- Integrate tags, readers, or software in radio frequency identification device (RFID) designs.
- Perform systems analysis or programming of radio frequency identification device (RFID) technology.
- Test radio frequency identification device (RFID) software to ensure proper functioning.
- Select appropriate radio frequency identification device (RFID) tags and determine placement locations.
- Perform site analyses to determine system configurations, processes to be impacted, or on-site obstacles to technology implementation.
- Perform acceptance testing on newly installed or updated systems.
- Determine means of integrating radio frequency identification device (RFID) into other applications.
- Provide technical support for radio frequency identification device (RFID) technology.
- Install, test, or maintain radio frequency identification device (RFID) systems.
- Test tags or labels to ensure readability.
- Determine usefulness of new radio frequency identification device (RFID) technologies.
- Verify compliance of developed applications with architectural standards and established practices.
- Train users in details of system operation.
- Develop process flows, work instructions, or standard operating procedures for radio frequency identification device (RFID) systems.
- Read current literature, attend meetings or conferences, or talk with colleagues to stay abreast of industry research about new technologies.
- Document equipment or process details of radio frequency identification device (RFID) technology.
- Define and compare possible radio frequency identification device (RFID) solutions to inform selection for specific projects.
- Create simulations or models of radio frequency identification device (RFID) systems to provide information for selection and configuration.
- Analyze radio frequency identification device (RFID)-related supply chain data.
- Collect data about existing client hardware, software, networking, or key business processes to inform implementation of radio frequency identification device (RFID) technology.
- Obtain and assemble data to complete architectural designs, visiting job sites to compile measurements as necessary.
- Produce drawings, using computer-assisted drafting systems (CAD) or drafting machines, or by hand, using compasses, dividers, protractors, triangles, and other drafting devices.
- Draft plans and detailed drawings for structures, installations, and construction projects, such as highways, sewage disposal systems, and dikes, working from sketches or notes.
- Coordinate structural, electrical, and mechanical designs and determine a method of presentation to graphically represent building plans.
- Analyze building codes, by-laws, space and site requirements, and other technical documents and reports to determine their effect on architectural designs.
- Draw maps, diagrams, and profiles, using cross-sections and surveys, to represent elevations, topographical contours, subsurface formations, and structures.
- Lay out and plan interior room arrangements for commercial buildings, using computer-assisted drafting (CAD) equipment and software.
- Supervise and train other technologists, technicians, and drafters.
- Determine the order of work and method of presentation, such as orthographic or isometric drawing.
- Finish and duplicate drawings and documentation packages according to required mediums and specifications for reproduction, using blueprinting, photography, or other duplicating methods.
- Draw rough and detailed scale plans for foundations, buildings, and structures, based on preliminary concepts, sketches, engineering calculations, specification sheets, and other data.
- Correlate, interpret, and modify data obtained from topographical surveys, well logs, and geophysical prospecting reports.
- Check dimensions of materials to be used and assign numbers to lists of materials.
- Determine procedures and instructions to be followed, according to design specifications and quantity of required materials.
- Supervise or conduct field surveys, inspections, or technical investigations to obtain data required to revise construction drawings.
- Explain drawings to production or construction teams and provide adjustments as necessary.
- Determine quality, cost, strength, and quantity of required materials, and enter figures on materials lists.
- Locate and identify symbols on topographical surveys to denote geological and geophysical formations or oil field installations.
- Create freehand drawings and lettering to accompany drawings.
- Calculate excavation tonnage and prepare graphs and fill-hauling diagrams for use in earth-moving operations.
- Prepare colored drawings of landscape and interior designs for presentation to client.
- Calculate weights, volumes, and stress factors and their implications for technical aspects of designs.
- Plot characteristics of boreholes for oil and gas wells from photographic subsurface survey recordings and other data, representing depth, degree, and direction of inclination.
- Reproduce drawings on copy machines or trace copies of plans and drawings, using transparent paper or cloth, ink, pencil, and standard drafting instruments.
- Calculate heat loss and gain of buildings and structures to determine required equipment specifications, following standard procedures.
- Prepare cost estimates, contracts, bidding documents, and technical reports for specific projects under an architect's or engineer's supervision.
- Represent architect or engineer on construction site, ensuring builder compliance with design specifications and advising on design corrections, under supervision.
- Review rough sketches, drawings, specifications, and other engineering data to ensure that they conform to design concepts.
- Obtain and assemble data to complete architectural designs, visiting job sites to compile measurements as necessary.
- Inspect problem roofs to determine the best repair procedures.
- Remove snow, water, or debris from roofs prior to applying roofing materials.
- Set up scaffolding to provide safe access to roofs.
- Estimate materials and labor required to complete roofing jobs.
- Cement or nail flashing strips of metal or shingle over joints to make them watertight.
- Install partially overlapping layers of material over roof insulation surfaces, using chalk lines, gauges on shingling hatchets, or lines on shingles.
- Cut felt, shingles, or strips of flashing to fit angles formed by walls, vents, or intersecting roof surfaces.
- Apply plastic coatings, membranes, fiberglass, or felt over sloped roofs before applying shingles.
- Install, repair, or replace single-ply roofing systems, using waterproof sheet materials such as modified plastics, elastomeric, or other asphaltic compositions.
- Attach roofing paper to roofs in overlapping strips to form bases for other materials.
- Cover roofs or exterior walls of structures with slate, asphalt, aluminum, wood, gravel, gypsum, or related materials, using brushes, knives, punches, hammers, or other tools.
- Waterproof or damp-proof walls, floors, roofs, foundations, or basements by painting or spraying surfaces with waterproof coatings or by attaching waterproofing membranes to surfaces.
- Apply reflective roof coatings, such as special paints or single-ply roofing sheets, to existing roofs to reduce solar heat absorption.
- Apply alternate layers of hot asphalt or tar and roofing paper to roofs.
- Install vapor barriers or layers of insulation on flat roofs.
- Cover exposed nailheads with roofing cement or caulking to prevent water leakage or rust.
- Smooth rough spots to prepare surfaces for waterproofing, using hammers, chisels, or rubbing bricks.
- Glaze top layers to make a smooth finish or embed gravel in the bitumen for rough surfaces.
- Mop or pour hot asphalt or tar onto roof bases.
- Install attic ventilation systems, such as turbine vents, gable or ridge vents, or conventional or solar-powered exhaust fans.
- Install skylights on roofs to increase natural light inside structures or to reduce energy costs.
- Apply gravel or pebbles over top layers of roofs, using rakes or stiff-bristled brooms.
- Install solar roofing systems that have energy-collecting photovoltaic panels built into roofing membranes, shingles, or tiles.
- Spray roofs, sidings, or walls to bind, seal, insulate, or soundproof sections of structures, using spray guns, air compressors, or heaters.
- Attach solar panels to existing roofs, according to specifications and without damaging roofing materials or the structural integrity of buildings.
- Punch holes in slate, tile, terra cotta, or wooden shingles, using punches and hammers.
- Apply modular soil- and plant-containing grids over existing roof membranes to create green roofs.
- Install layers of vegetation-based green roofs, including protective membranes, drainage, aeration, water retention and filter layers, soil substrates, irrigation materials, and plants.
- Inspect problem roofs to determine the best repair procedures.
