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
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