ALPHABETICAL LISTING OF SUGGESTED LIFE FOR DEPRECIATION OF FIXED ASSETS

LIFE IN YEARS

BUILDINGS AND STRUCTURES:
Fireproof Construction - Walls are constructed of brick, stone,
     iron or other hard combustible materials.

50

Non-fireproof Construction, portable classrooms, concession
     stands, garages

33

IMPROVEMENTS OTHER THAN BUILDINGS:
Fence:
     Brick or Stone

25

     Chain link

20

     Wire

10

     Wood

15

Flagpoles

20

Signs

10

Yard and athletic field lighting

20

Bleachers, fixed

20

Playground equipment

15

Goalposts

20

Shrubs, lawns and trees

10

Retaining walls

25

Paving (including roadways, walks and parking)
     Asphalt

10

     Concrete

15

     Gravel

5

Underground sprinklers

15

Athletic track

10

Football field

20

INFRASTRUCTURE:
Underground sewer and water lines

20

Roads 20
Bridges 30
Drainage Systems 25
Dams 40
Street Lights 20
EQUIPMENT:
          A
Adding machines

10

Addressing machines

10

Air compressors

10

Air conditioning units, casement

10

Air hoists

10

Alidades, telescopic

10

Alignment gauges, chamber, toe-in, etc.

10

Anatomical models

10

Andirons

10

Anemometers

10

Answering machines

5

Anvils

10

Apparatus cabinets

15

Aquariums

10

Arc welding apparatus

10

Armature growlers

10

Astrographs, wall

10

Athletic uniforms

10

Audiometers

10

Autoclaves

10

Automobile lifts

10

AV mixer

10

          B
Balances, Beam

10

Baling presses, compression molding

10

Band instruments

15

Band saws

10

Band uniforms

10

Barber shop tools, electrical

10

Barber type furniture Barographs

10

Barometers

10

Bars, horizontal, portable

10

Battery chargers

10

Beaters, egg, electric

12

Beauty class furniture

10

Beds

15

Bellows, power

10

Benches

20

Bicycle racks, portable

20

Bicycles

10

Billing machines

10

Binders, agricultural

10

Biological models

10

Blackboards, portable

15

Bleachers, portable

20

Blood analysis apparatus

10

Blood plasma cabinets

10

Blood pressure apparatus

10

Blue print machines

10

Boards, bulletin, portable

10

Boat or canoes

10

Bodies, bus

10

Bodies, truck

10

Book trucks

10

Bookbinding machinery

10

Bookcases, sectional

10

Bookkeeping machines

10

Books, hardcover library

10

Boring machines, precision table or vertical

10

Boyles law apparatus

10

Brake lining machines

10

Brakes and folders, hand or power

10

Bread slices, mechanical

12

Bread Toasters, electric

12

Bridges, whetstone and similar

15

Broilers, electric

12

Brooms, power driven

10

Buffers, electric

10

Bulletin boards, portable

10

Bus wagons

10

Buses

10

          C
CD Player

10

Cabinets, apparatus

10

Cabinets, beverage cooling, ice or electric

10

Cabinets, filing

10

Cabinets, frozen food storage

10

Cabinets, ice cream, ice or electric

10

Cabinets, laboratory

10

Cabinets, lantern slide

10

Cabinets, print, drafting

10

Cabinets, printers, galley

10

Cabinets, printers, type

10

Cabinets, supply

10

Calculator

10

Calorimeters, continuous flow

10

Calorimeters, electric

10

Cameras

5

Camcorders

5

Canners

10

Canoes

10

Card racks

10

Card tables

10

Carpets

10

Cassette Recorder

10

Cases, display

10

Cases, file

10

Cases, laboratory

10

Cases, supply

10

Cash registers

10

Centering machines

10

Centrifuges

10

Chain hoists

10

Chairs

10

Chairs, folding

10

Chalk board, portable

10

Chargers, battery

10

Chart stands

10

Chassis, bus

10

Chassis, truck

10

Check handling machines

10

Check writers

10

Chisels, in sets

10

Choppers, food, power

10

Cleaners, steam vapor

10

Cleaners, vacuum

10

chinometers, photoelectric

10

Clippers, hair, electric

10

Clocks, wall

10

Cloth cutting machines

10

Clothes dryers

10

Clutch rebuilding apparatus

10

Coffee grinders

12

Coffee percolators, electric

12

Coffee urns

12

Coin, currency and check handling machines

10

Collapsible tables

10

Colorimeters

10

Compasses, magnetic

10

Computers, printers, screen, and accessories

5

Computer scanner

5

Compressors, Air

10

Computer Desk

10

Connecting rod aligners

10

Connecting rod boring machines

10

Connecting rod rebabbiting jogs

10

Conveyors

10

Cookers, pressure

12

Cooking stoves

12

Corkboard

10

Coolers, water

10

Copy Machines

5

Costumers

10

Cots

10

Couches

10

Counter freezers

12

cubicles

10

Cupboards

15

Cylinder boring machines

10

Cylinders, gas

10

          D
Dating machines

10

Deep fat fryers

12

Deep Freezers

12

Desks

10

Dictating machines

10

Dictionaries, large unabridged

10

Dictionary stands

10

Dies, in sets

10

Diesel engines for use in classrooms

10

Discs, optical

10

Dish trucks

10

Dishwashing machines

12

Display cases

10

Distilling apparatus

10

Ditto machines

10

Drafting Machines

10

Drawing tables

10

Drift meters

10

Drill presses, bench, floor or radial

10

Drills, power

10

Drinking water coolers, electric or ice

10

Drums, bass, kettle, snare

15

Dryers, clothes

15

Dryers, hair

10

Drying units, infra-red

10

Duplicating machines

10

Dry erase board

10

DVD's

5

          E
Easels

10

Egg beaters, electric

12

Electric clippers, sheep, horse

10

Electric dishwashers

12

Electric floor scrubbers

10

Electric hot plates

12

Electric irons

10

Electric mixers

12

Electric sanding machines

10

Electric toasters

12

Electric tube testers

10

Electric Vacuum cleaners

10

Electric waxing machines

10

Electric Welding apparatus

10

Electrolysis apparatus

10

Electronic frequency meters

10

Electronic deviation meters

10

Electronic power supply and voltage

10

Electronic recording devices

10

Electronic volt-ohmmeters

10

Embossers

10

End tables

10

Engine flushing machines

10

Engines, for use in classrooms

10

Enlargers

10

Envelopes sealers

10

Erasers, electric Exhibit cases

10

Exposure meters, camera

10

Extensometers

10

Extinguishers, fire

10

Extractors

10

          F
Falling weight rammers

10

Fans, electric, portable

10

Fax machines

10

Figures, geometrical, models in sets

10

Filing cabinets

10

Filing machines

10

Fire extinguishers

10

Fireplace fixtures

10

Flat irons, electric

10

Floor scrubbers, electric

10

Folding chairs

10

Folding tables

10

Forges

10

Forms, dress

10

Forms, geometrical model

12

Foundry machinery

12

Frames, blueprint

10

Freezers

12

Freezers, ice cream

12

Frequency meters

10

Furnaces, heat treating

15

Furnaces, laboratory

10

Furnaces, remelting

10

Furniture

10

          G
Galvanometers

10

Galvanoscopes

10

Gas compressors

10

Gas cylinders

10

Gas meters, laboratory

10

Gas plates

10

Gas stoves

10

Gasoline dispensing pumps

10

Gear cutting machines

10

Gelatin duplicators

10

Generators

10

Globes

10

Grass shears, power operated

10

Grinders, power operated

10

Guns, starting

10

          H
Hair clippers, electric

10

Hair dryers

10

Hall trees

10

Hammers, autobody, pneumatic,etc.

10

Hammers, electric, hand

10

Hand tools, in sets

10

Hand tools, power driven

10

Hand trucks

10

Harnesses

10

Heaters, portable

10

Hoists, Electric or pneumatic

10

Holders, dictionary

10

Horses, gym equipment

10

Hot plates

12

Hurdles

10

Hydraulic jacks, garage type

10

          I
Ice cream freezers

12

Instruments, band and musical

15

Instruments, musical

15

Instruments, recording, electrical

15

Irons, electric

10

          J
Jacks, garage type, hydraulic

10

Jointers

10

Juice extractors, electric

10

          K
Key racks

10

Kilns

10

Kitchen Tables

15

          L
Laboratory balance, beam

10

Laboratory furniture

10

Laboratory models

10

Laminator

10

Lamps, electric floor

10

Laser Disk Player

10

Lantern slide cabinets

10

Lathes, brake drum

10

Lathes, engine

10

Lathes, turret, or automatic screw machines

10

Lathes, wood turning

10

Lawn mowers

10

Lawn rollers

10

Lead, slug and rule casting machines

10

Lecterns

10

Letter presses

10

Library books

10

Library furniture

10

Library trucks

10

Lifts, vehicle and handicap

10

Lighting Units, blueprinting

10

Line markers, large push type

10

Linotypes

10

Lockers, not built-in

10

          M
Machine tools

10

Machinery, canning

10

Machinery, cement making

10

Machines, adding

10

Machines, addressing

10

Machines, billing

10

Machines, bookkeeping

10

Machines, brake lining

10

Machines, calculator

10

Machines, check handling

10

Machines, coin handling

10

Machines, coin operated

10

Machines, dating, power

10

Machines, dictating

10

Machines, dishwashing

12

Machines, drafting

10

Machines, dry cleaning

10

Machines, duplicating

10

Machines, fax

10

Machines, laundry

10

Machines, mimeograph

10

Machines, mixing

12

Machines, numbering, power

10

Machines, polishing

10

Machines, pressing

10

Machines, sanding

10

Machines, scrubbing

10

Machines, sewing

10

Machines, stamping, power

10

Machines, tabulating

10

Machines, washing

10

Machines, waxing

10

Maps, wall

10

Mats, wrestling

10

Medicine cases

10

Metal working machinery

10

Microfilm readers and viewers

10

Micro-projectors

10

Microscopes

10

Microwave Oven

12

Milling machines

10

Millivoltmeters

10

Mimeograph machines

10

Mirrors, large wall

10

Miter boxes

10

Mixers, electric

10

Models, shop and laboratory

10

Mop trucks

10

Motor analyzers

10

Motor generator sets

10

Motor vehicles

10

Motorcycles

10

Motors, not integral parts of larger units

10

Mowers

10

Musical instruments

15

          N
Nets, steel

10

Noise and field strength meters

10

          O
Office furniture

15

Ohmmeters

10

Optical discs

10

Organs

15

Oscillographs

10

Output meters

10

Ovens

12

          P
Peelers, electrical

12

Percolators, coffee, electric

12

Permanent waving machines

10

Phonographs

10

Photocopying apparatus

10

Photoengraving apparatus

10

Photometers

10

Pianos

15

Pictures, large wall

10

Pipe dies, in sets

10

Planers, power

10

Planning machines, photoengravers

10

Plaques, permanent

10

Plates, bench

10

Plates, hot

10

Platforms

10

Plows, field

10

Plows, snow

10

Polarimeters

10

Polariscopes

10

Popcorn Popper

12

Postal meters

10

Potato peelers, large machine

12

Power sprayers and dusters

10

Presses, arbor

10

Presses, books, bookbinders

10

Presses, engraving

10

Presses, letter

10

Presses, lithographic or offset printing

10

Presses, power

10

Presses, punch

10

Printing cases

10

Printing frames

10

Printing presses

10

Projector, overhead

10

Projector, slide
Projection screen

10

Pruners

10

Public address system, portable

10

Push carts

10

          R
Radios

10

Ranges, cooking

12

Record players

10

Recorders, Sound

10

Reference books

10

Refracting apparatus

10

Refrigerators

12

Registers, cash

10

Rollers, lawn Routers, plate, photo engraving

10

Rowboats

10

Rugs, room size

10

          S
Safes

10

Sanding machines

10

Saws, band

10

Saws, circular

10

Saws, power hack

10

Scales, beam balance

10

Screens, projection, portable

10

Scrubbing machines

10

Sealers, envelope

10

Seats

10

Sectional bookcases

10

Servers, routers and accessories

5

Sewing machine

10

Shapers, bench and floor

10

Shapers and routers

10

Shear, power

10

Slicers, bread, mechanical

12

Socket wrench sets

10

Software - only that created in house

10

Soil penetrometers

10

Soil test molds

10

Spark plug cleaning machines

10

Spectroscopes

10

Sprayers, power

10

Spreaders, tire

10

Stacks, book

10

Stamping machines, power

10

Stands, chart

10

Stands, engine repair

10

Stands, umbrella

10

Staplers, foot or power operated

10

Stereoscopes

10

Sterilizers

10

Stitchers

10

Stones, printers

10

Stools

10

Stoves

12

Supply cases

10

          T
Tables

10

Tanks, bulk storage

10

Television sets

10

Tennis court nets, steel

10

Tents, wall

10

and tripods

10

Thermographs

10

Toasters

12

Tool sets, hand

10

Tractors

10

Transmissions

10

Trimmers, hedge, power

10

Tripods, camera

10

Truck, motor

10

Tunnels, models, wind

10

Typewriter desks

10

Typewriters

10

          U

10

Uniforms, athletic and band (initial purchase)

10

          V
Vacuum cleaners

10

Vacuum type voltmeters

10

VCR

10

Vending machines

10

Vises, bench

10

Voltmeters

10

          W
Wagons

10

Washers and dryers, photographic

10

Washing machines

10

Watchmen's time clocks

10

Water coolers

10

Water meters, laboratory type

10

Watt meters, laboratory type

10

Wave meters and wave analyzers

10

Waxing machines

10

Weighing scales, beam

10

Weight benches

10

Weight machines

10

Weight sets

10

Welding apparatus

10

Wheel straightening apparatus

10

Wheelbarrows

10

Wheels, pottery

10

Work benches\Work tables

10

Wrenches, in sets

10

          Y
Yard benches

10