EXPECTED USEFUL LIFE TABLE

EXPECTED USEFUL LIFE TABLE

SITE SYSTEMS 50+ = "long-lived" systems

FAMILY CONSTR.

Basketball Courts

15

Built Improvements (playgrounds/site furniture)

20

Catch Basin

40

Cold Water and Sewer Lines

40

Compactors

15

DHW/Supply/Return

30

Dumpsters

10

Dumpster Enclosures

10

Earthwork

50+

Electrical Distribution Center

40

Emergency Generator

15

Fencing

Chain Link

40

Wrought iron

50+

Stockade

12

Post & Rail

25

Gas Lines

40

Heating Supply/Return

40

Incinerators

50+

Irrigation Syatems

30

Lift Station

50

Mail Facilities

10

Landscaping

50+

Parking

Asphalt

25

Gravel

15

Pedestrian Paving

Bituminous

15

Concrete

30

Retaining Walls

Concrete

20

Masonry

15

Wood

15

Stone

15

Roadways

Asphalt (sealing)

5

Asphalt

25

Gravel

15

Sanitary Treatment

40

Site Electrical Main

40

Site Gas Main

40

Site Lighting

25

Site Power Distribution

40

ELDERLY CONSTR.

25 20 40 40 15 30 10 10 50+ 40 15

ACTION = REPLACE UNLESS NOTED

Fence only

40 50+ 12 25

40 40 50+ 30 50 10 50+

25

Resurface

15

Pave with asphalt or concrete

15

Resurface

30

Replace

20

Fill cracks/repoint

15

Fill cracks/repoint

15

Replace

15

Fill cracks/repoint

5

Seal

25

Resurface

15

Pave with asphalt or concrete

40

40

40

25

40

2011 Architectural Manual Expected Useful Life Table

DCA Office of Affordable Housing

1 of 7

EXPECTED USEFUL LIFE TABLE

SITE SYSTEMS 50+ = "long-lived" systems

FAMILY CONSTR.

Site Sanitary Lines

40

Site Sewer Main

40

Site Water Main

40

Storm Drain Lines

40

Swimming Pool

Deck

15

Mech'l Equipment

10

Tennis Courts

15

Transformer

30

Water Tower

50+

ELDERLY CONSTR.

40 40 40 40

15 10 15 30 50+

BUILDING ARCHITECTURE 50+ = "long-lived" systems

Appurtenant Structures Porches Wood Decks Storage Sheds Greenhouses Carports Garages

Basement Stairs Building Mtd. Exterior Lighting Building Mtd. HID Lighting Bulkheads Canopies

Wood/Metal Concrete Ceilings, exterior or open Chimney Common Area Doors Common Area Floors Ceramic/Tile/ Terrazzo Wood (Strip/Parquet) Resilient Floor (tile/sheet) Carpet

Concrete Common Area Railings Common Area Ceilings

Concrete Acoustic Tile/DW/Plaster

Common Area Countertop/sink

FAMILY CONSTR.

50 20 30 50 40 50+ 50+ 10 10 10

40 20 5 25 50+

50+ 30 15 7 50+ 20

50+ 10 20

ELDERLY CONSTR.

50 20 30 50 40 50+ 50+ 10 20 20

40 20 5 25 50+

50+ 30 15 7 50+ 20

50+ 10 20

ACTION = REPLACE UNLESS NOTED

Resurface Resurface

ACTION = REPLACE UNLESS NOTED Paint @ 5 years Paint @ 5 years Paint @ 5 years

Replace Re-roof

Paint Paint

Replace Replace/sand & finish

Replace Replace

Paint 5-8 years Replace

2011 Architectural Manual Expected Useful Life Table

DCA Office of Affordable Housing

2 of 7

EXPECTED USEFUL LIFE TABLE

BUILDING ARCHITECTURE 50+ = "long-lived" systems

FAMILY CONSTR.

Common Area Dishwasher

15

Common Area Disposal

5

Common Area Walls

15

Exterior Common Doors

Aluminum & Glass

30

Solid Core (wood or metal)

25

Automatic

15

Exterior Stairs

Wood

10

Filled metal pan

30

Concrete

50+

Exterior Unit Doors

10

Exterior Walls

Cementitious (mfgr) siding

20

Brick or block

40

Stone veneer (brownstone)

20

Glass Block

15

Granite block

40

Metal/glass curtainwall

10

Precast Concrete panel

30

Vinyl siding

10

Wood siding/shingles

10

Plywood/stucco

5

Fire escapes

40

Foundations

50+

Hatches/Skylights

Access hatch

30

Smoke hatch/skylight

50+

Insulation/Wall

50+

Interior Lighting

15

Interior Railings

15

Kitchen Cabinets

(wood construction)

15

Local HVAC

Electric fan coil

20

Electric heat/AC

15

Gas furnace/split DX AC

20

Heat pump w/suppl.electric

15

Heat pump water source

20

Hydronic fan coil

30

Hydronic heat/electric AC

20

Mail Facilities

10

Parapet Wall

50+

Penthouse

25

ELDERLY CONSTR.

15 5 25

30 25 30

20 30 50+ 15

20 40 20 15 40 10 30 15 15 10 40 50+

30 50+ 50+ 25 20 20

20 15 20 15 20 30 20 30 50+ 25

ACTION = REPLACE UNLESS NOTED

Paint 5-8yrs Door Only Door Only Door & Mechanism Replace Replace Replace Replace Prep & Paint

Repoint Waterproof & Caulk

Recaulk Repoint Recaulk Recaulk Replace Prep & Paint/Stain Prep & Paint/Stain Resecure

New Door & Pointing

2011 Architectural Manual Expected Useful Life Table

DCA Office of Affordable Housing

3 of 7

EXPECTED USEFUL LIFE TABLE

BUILDING ARCHITECTURE 50+ = "long-lived" systems

FAMILY CONSTR.

Public Bathroom Accessories

7

Public Bathroom Fixtures

15

Radiation

Hydronic (basebd or freestand)

50

Electric Baseboard

25

Electric Panel

20

Roof Railings

10

Refrigerator, common area

10

Residential Galss Doors

Sliding

10

French

20

Roof Covering

Wood shingles

20

Asphalt shingles

20

Built up (BUR)

20

Membrane

20

Preformed metal

40

Shingles (slate, tile, clay etc)

30

Roof Drainage Exterior (gutter & fascia)

10

Roof Drainage Interior (drain covers)

30

Roof Structure

50+

Slab

50+

Service Doors

25

Soffits

Wood

5

Aluminum or vinyl

10

Stair Structure

50+

Storm/Screen Doors

7

Storm/Screen Windows

10

Waterproofing Foundation

50+

Window Security

15

Windows (frames & glazing)

20

Wood Floor Framing

20

Bath Accessories

10

Bath Fixtures (sink, toilet, tub)

15

Closet Doors

10

Countertop & Sink

10

Dishwasher

10

Disposal

5

Electric Fixtures

10

Hallway Door

15

Heat Detectors

20

ELDERLY CONSTR.

7 15

50 25 20 10 15

15 30

20 20 20 20 40 30

25 30 50+ 50+ 25

5 15 50+ 15 20 50+ 25 30 20 15 20 20 20 15 8 20 30 20

ACTION = REPLACE UNLESS NOTED

Repaint

(Subject to Waiver) (Subject to Waiver)

Replace Replace Repair/Repaint Replace

Door only

2011 Architectural Manual Expected Useful Life Table

DCA Office of Affordable Housing

4 of 7

EXPECTED USEFUL LIFE TABLE

DWELLING UNITS 50+ = "long-lived" systems

FAMILY CONSTR.

Interior Doors

15

Interior Stairs

30

Kitchen Cabinets

(wood construction)

20

Living Area Ceilings

Concrete

50+

Acoustic Tile/DW/Plaster

10

Living Area Floors

Ceramic/Tile/Terrazzo

20

Wood (strip/parquet)

15

Resilient Flooring

10

Carpet

7

Concrete

50+

Living Area Walls

20

Local HVAC

Electric fan coil

20

Electric heat/AC

15

Evap. condensor (swamp coole

20

Gas furnace, split DX AC

20

Heat pump w/suppl. electric

15

Heat pump, water source

20

Hydronic fan coil

30

Hydronic heat/electric AC

20

Range

15

Rangehood

10

Refrigerator

10

Smoke/Fire Detectors

5

Unit Air Conditioning

10

Unit Electric Panel

50+

Unit Level Boiler

25

Unit Buzzer/Intercom

20

Unit Level DHW

10

Unit Level Hot Air Furnace

25

Unit Radiation

Hydronic or steam

30

(baseboard or freestanding)

Electric Baseboard

25

Unit Vent/Exhaust

15

Unit Wiring

30

Vanities

(wood construction)

10

Window covering

3 (20yr)

ELDERLY CONSTR.

30 30 25

50+ 20

30 20 15 10 50+ 30

20 15 20 20 15 20 30 20 20 15 15 10 15 50+ 25 30 10 25

30

25 15 30 20 3 (20yr)

ACTION = REPLACE UNLESS NOTED Door only

Replace (Paint 5-8yr) Replace

Replace part/refinish Replace Replace Replace

Replace (Paint 5-8yr)

Material/user specific

2011 Architectural Manual Expected Useful Life Table

DCA Office of Affordable Housing

5 of 7

EXPECTED USEFUL LIFE TABLE

MECHANICAL/ELECTRICAL 50+ = "long-lived" systems

FAMILY CONSTR.

Central Unit Exhaust, roof mtd

15

Chilled Water Distribution

50+

Chilling Plant

15

Compactor

15

Cooling Tower

25

Electrical Switchgear

50+

Electrical Wiring

30

Elevator, Controller, dispatcher

15

Elevator, Cab

15

Elevator, Machinery

30

Elevator, Shaftway Doors

20

Elevator, Shaftways

Hoist rails, cables, travelling

25

Hydraulic piston & levelling

25

Emergency Alarm System

Call Station

10

Emergency Generator

35

Emergency Lights

8

Evaporative Cooler

15

Fire Pumps

20

Fire Suppression

50+

Gas Distribution

50+

Heat Sensors

15

Heating Risers & Distribution

50+

Heating Water Controller

15

Hot & Cold Water Distribution

50

HVAC

Cooling only

15

Heat only

15

Heating & Cooling

10

Master TV System

10

Outdoor Temperature Sensor

5

Sanitary Waste & Vent System

50+

Sewage Ejectors

50

Buzzer/Intercom, central panel

10

Smoke & Fire Detection System, central panel

15

Sump Pump

Residential

7

Commercial

15

Water Softening & Filtration

15

Water Tower

50+

Boiler Room Equipment

Blowdown & Water Treatment

25

Boiler Room Pipe Insulation

w/boiler

ELDERLY CONSTR.

15 50+ 25 15 25 50+ 30 20 20 30 30

25 25

15 35 10 15 20 50+ 50+ 15 50+ 15 50

15 15 15 10 10 50+ 50 15 15

7 15 15 50+

25 w/boiler

ACTION = REPLACE UNLESS NOTED

Rebuild interior Replace gibs & rollers

Resleeve piston Battery operated

Pump motor Piping Piping

Replace Replace motor

2011 Architectural Manual Expected Useful Life Table

DCA Office of Affordable Housing

6 of 7

EXPECTED USEFUL LIFE TABLE

MECHANICAL/ELECTRICAL 50+ = "long-lived" systems

FAMILY CONSTR.

Boiler Room Piping

w/boiler

Boiler Room Valves Boiler Temperature Controls

15 w/boiler

Boilers

Oil-fired, sectional

22

Gas/dual fuel, sectional

25

Oil/gas/dual fired, low MBH

30

Oil/gas/dual fired, high MBH

40

Gas fired atmospheric

25

Electric

20

Building Heating Water Temperature Controls

Residential

Commercial

Combustion Air

Duct w/fixed louvers

Motor louver & duct

Make-up air

Compressors

Condensate & Feedwater

Feedwater only (hydronic)

Condensate & feedwater (steam

DHW Circulating Pumps

DHW Generation

Tank only, dedicated fuel

Exchanger in storage tank

Exchanger in boiler

External tankless

Instantaneous

DHW Storage Tanks Small (up to 150gals)

Large (over 150gals)

Domestic Cold Water Pumps

Fire Supression

Flue Exhaust

Free Standing Chimney

Fuel Oil Storage

Fuel Transfer System

Heat Exchanger

Heating Water Circulating Pumps

Line Dryers

Motorized Valves

Outdoor Temp Sensor

Pneumatic lines & Controls

Purchased Steam Supply Station

Solar Hot Water

12 15 30 25 25 15

10 w/boiler by size

10 15 15 15 10 12 7 15 50+ w/boiler 50+ 25 25 35 by size 15 12 10 30 50+ 20

ELDERLY CONSTR.

w/boiler 15

w/boiler 22 25 30 40 25 20

12 15 30 25 25 15

10 w/boiler by size

10 15 15 15 10 12 7 15 50+ w/boiler 50+ 25 25 35 by size 15 12 10 30 50+ 20

ACTION = REPLACE UNLESS NOTED Repack valves

Replace Replace motor Replace fan/preheater

Replace Point Tank Lining

Replace collectr panels

2011 Architectural Manual Expected Useful Life Table

DCA Office of Affordable Housing

7 of 7

 ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download