Changes
Every entry published, value revised, entry withdrawn and municipal document added, built from the data itself. Old versions stay at their permanent links. Follow by RSS.
2026-10-22 39 entries published, 245 entries updated, 18 entries withdrawn, 2 removals, 1 batch of municipal documents
- NewAir handling unit published (v0.1.0): 20 years, grade C, 5 maintenance tasks
- NewAir handling unit published again (v0.3.0): maintenance only, 5 tasks
- NewAutomatic transfer switch published (v0.1.0): maintenance only, 8 tasks
- NewBackflow preventer published (v0.1.0): maintenance only, 4 tasks
- NewBuilding automation controller published (v0.1.0): 25 years, grade C, 6 maintenance tasks
- NewBuilding automation controller published again (v0.3.0): maintenance only, 23 tasks
- NewCO2 sensor published (v0.1.0): 15 years, grade C, 2 maintenance tasks
- NewCO2 sensor published again (v0.4.0): maintenance only, 8 tasks
- NewConcrete bridge published (v0.1.0): 45 years, grade C, 2 maintenance tasks
- NewControl valve published (v0.1.0): maintenance only, 7 tasks
- NewDamper actuator published (v0.1.0): 15 years, grade C
- NewDamper actuator published again (v0.3.0): maintenance only, 7 tasks
- NewDDC field controller published (v0.1.0): 25 years, grade C
- NewDDC field controller published again (v0.3.0): maintenance only, 8 tasks
- NewDrinking fountain published (v0.1.0): 25 years, grade C
- NewDuctless mini-split heat pump published (v0.1.0): 12.5 years, grade C
- NewExpansion tank published (v0.1.0): 20 years, grade C
- NewGas detector published (v0.1.0): 10 years, grade C
- NewGas detector published again (v0.5.0): 10 years, grade C
- NewGuide rail published (v0.1.0): 30 years, grade C
- NewHollow metal exterior door published (v0.1.0): 25 years, grade C
- NewIce plant brine pump published (v0.1.0): maintenance only, 3 tasks
- NewLow-voltage switchgear published (v0.1.0): 30 years, grade C, 24 maintenance tasks
- NewLow-voltage switchgear published again (v0.3.0): maintenance only, 24 tasks
- NewMotorized damper published (v0.1.0): maintenance only, 5 tasks
- NewPool circulation pump published (v0.1.0): maintenance only, 3 tasks
- NewPressure or flow sensor published (v0.1.0): 15 years, grade C, 2 maintenance tasks
- NewPressure or flow sensor published again (v0.3.0): maintenance only, 7 tasks
- NewPVC storm sewer published (v0.1.0): 110 years, grade C
- NewSmoke detector published (v0.1.0): 20 years, grade C, 3 maintenance tasks
- NewSmoke detector published again (v0.5.0): 20 years, grade C, 3 maintenance tasks
- NewSteel bridge published (v0.1.0): 50 years, grade C, 2 maintenance tasks
- NewSteel bridge published again (v0.3.0): 75 years, grade C, 2 maintenance tasks
- NewUPS (uninterruptible power supply) published (v0.1.0): 8.33 years, grade C
- NewWashroom sink and faucet published (v0.1.0): 25 years, grade C
- NewWater meter published (v0.1.0): 15.5 years, grade C
- NewWater meter published again (v0.3.0): 20 years, grade C
- NewWheelchair platform lift published (v0.1.0): 20 years, grade C, 1 maintenance task
- NewWheelchair platform lift published again (v0.3.0): maintenance only, 1 task
- WithdrawnAir handling unit withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnBuilding automation controller withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnCO2 sensor withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnDamper actuator withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnDDC field controller withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnDrinking fountain withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnDuctless mini-split heat pump withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnExpansion tank withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnGas detector withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnHollow metal exterior door withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnLow-voltage switchgear withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnPressure or flow sensor withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnSmoke detector withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnSteel bridge withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnUPS (uninterruptible power supply) withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnWashroom sink and faucet withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnWater meter withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- WithdrawnWheelchair platform lift withdrawn (v0.2.0): Its only sources were outside North America, which the library no longer uses. No US or Canadian source is available yet.
- Removed3 versions removed: Cited maintenance specifications from Waka Kotahi NZ Transport Agency, whose publications are now licensed CC BY-NC; a non-commercial licence does not meet the sourcing policy.
- Removed58 versions removed: Cited sources without a public-domain status or an explicit reuse permission (CMHC, Ontario Housing Corporation, BC Residential Tenancy Branch, Minnesota TRM, Utah State University, state DOT and state regulation documents, manufacturer manuals). Live for about an hour.
- MunicipalLife tables from 35 municipalities added: Amherstburg, Belleville, Brantford, Bruce, Centre Hastings, Chapple, Chatham-Kent, Cornwall, Elgin, Greater Madawaska, Grey Highlands, Haldimand County, Huron, Kapuskasing, Kingston, Kirkland Lake, Lambton, Lanark, Leeds and Grenville, Meaford, Middlesex, Norfolk County, Northumberland, Orillia, Oxford, Peterborough, Prescott and Russell, Quinte West, Rainy River, Sault Ste. Marie, Stormont, The Blue Mountains, Thunder Bay, Trent Lakes, Wellington
245 entries updated
- UpdatedAir-cooled chiller v0.2.0: median 21.5 → 20 years, sources 2 → 3
- UpdatedAir-cooled chiller v0.3.0: median 20 → 21.5 years, sources 3 → 2
- UpdatedAluminum window v0.2.0: median 37.5 → 32.5 years, sources 1 → 3
- UpdatedAluminum window v0.3.0: median 32.5 → 37.5 years, sources 3 → 1
- UpdatedAluminum window v0.6.0: maintenance tasks 0 → 3
- UpdatedArena dehumidifier v0.2.0: sources or wording revised
- UpdatedAsbestos cement sanitary sewer v0.3.0: median 67.5 → 75 years, sources 2 → 4
- UpdatedAsbestos cement sanitary sewer v0.4.0: sources or wording revised
- UpdatedAsphalt parking lot v0.4.0: maintenance tasks 0 → 1
- UpdatedAsphalt parking lot v0.5.0: sources 9 → 14
- UpdatedAsphalt parking lot v0.6.0: sources or wording revised
- UpdatedAsphalt road surface v0.2.0: maintenance tasks 0 → 1
- UpdatedAsphalt road surface v0.3.0: median 22.5 → 25 years, sources 8 → 13
- UpdatedAsphalt road surface v0.4.0: sources or wording revised
- UpdatedAsphalt shingle roof v0.4.0: maintenance tasks 0 → 13
- UpdatedAsphalt shingle roof v0.5.0: sources or wording revised
- UpdatedAutomatic door v0.2.0: maintenance tasks 0 → 7
- UpdatedBase-mounted end suction pump v0.2.0: sources 2 → 4
- UpdatedBase-mounted end suction pump v0.3.0: sources 4 → 2
- UpdatedBridge deck wearing surface v0.4.0: sources or wording revised
- UpdatedBuilt-up roof v0.2.0: maintenance tasks 0 → 17
- UpdatedBuilt-up roof v0.3.0: sources or wording revised
- UpdatedCast iron watermain v0.4.0: median 60 → 72.5 years, sources 5 → 8
- UpdatedCast iron watermain v0.5.0: sources or wording revised
- UpdatedCatch basin v0.5.0: sources 7 → 8
- UpdatedCatch basin v0.6.0: sources 8 → 16
- UpdatedCatch basin v0.7.0: sources or wording revised
- UpdatedClay sanitary sewer v0.3.0: sources 3 → 5
- UpdatedClay sanitary sewer v0.4.0: sources or wording revised
- UpdatedConcrete bridge v0.2.0: median 45 → 72.5 years, sources 1 → 2
- UpdatedConcrete bridge v0.3.0: median 72.5 → 45 years, sources 2 → 1
- UpdatedConcrete bridge v0.4.0: median 45 → 75 years, sources 1 → 4
- UpdatedConcrete bridge v0.5.0: sources or wording revised
- UpdatedConcrete culvert v0.11.0: maintenance tasks 0 → 1
- UpdatedConcrete culvert v0.12.0: sources or wording revised
- UpdatedConcrete culvert v0.5.0: maintenance tasks 0 → 3
- UpdatedConcrete culvert v0.6.0: grade B → C, sources 6 → 7
- UpdatedConcrete culvert v0.7.0: grade C → B, sources 7 → 6, maintenance tasks 3 → 0
- UpdatedConcrete culvert v0.8.0: grade B → C, sources 6 → 13
- UpdatedConcrete curb and gutter v0.3.0: median 35 → 40 years, sources 5 → 7
- UpdatedConcrete curb and gutter v0.4.0: sources or wording revised
- UpdatedConcrete pressure pipe watermain v0.5.0: median 80 → 100 years, grade C → B, sources 1 → 3
- UpdatedConcrete pressure pipe watermain v0.6.0: sources or wording revised
- UpdatedConcrete road v0.4.0: maintenance tasks 0 → 3
- UpdatedConcrete road v0.5.0: sources or wording revised
- UpdatedConcrete sanitary sewer v0.3.0: sources 5 → 7
- UpdatedConcrete sanitary sewer v0.4.0: sources or wording revised
- UpdatedConcrete sidewalk v0.3.0: sources 7 → 17
- UpdatedConcrete sidewalk v0.4.0: maintenance tasks 0 → 1
- UpdatedConcrete sidewalk v0.5.0: sources or wording revised
- UpdatedConcrete storm sewer v0.3.0: maintenance tasks 0 → 1
- UpdatedConcrete storm sewer v0.4.0: maintenance tasks 1 → 0
- UpdatedConcrete storm sewer v0.5.0: median 75 → 90 years, sources 3 → 4
- UpdatedConcrete storm sewer v0.6.0: sources or wording revised
- UpdatedCondensing boiler v0.2.0: median 24.9 → 24.8 years, sources 2 → 4
- UpdatedCondensing boiler v0.3.0: median 24.8 → 24.9 years, sources 4 → 2
- UpdatedCorrugated steel pipe culvert v0.10.0: sources or wording revised
- UpdatedCorrugated steel pipe culvert v0.4.0: maintenance tasks 0 → 4
- UpdatedCorrugated steel pipe culvert v0.5.0: maintenance tasks 4 → 0
- UpdatedCorrugated steel pipe culvert v0.6.0: median 35 → 40 years, sources 7 → 14
- UpdatedCorrugated steel pipe culvert v0.9.0: maintenance tasks 0 → 1
- UpdatedDiesel generator v0.3.0: sources 1 → 2
- UpdatedDiesel generator v0.4.0: sources 2 → 1
- UpdatedDomestic water booster pump v0.3.0: sources 1 → 2
- UpdatedDomestic water booster pump v0.4.0: sources 2 → 1
- UpdatedDry pipe sprinkler system v0.4.0: median 32.5 → 25 years, sources 6 → 7
- UpdatedDry pipe sprinkler system v0.5.0: median 25 → 32.5 years, sources 7 → 6
- UpdatedDry pipe sprinkler system v0.6.0: sources or wording revised
- UpdatedDry-type transformer v0.3.0: sources 1 → 3
- UpdatedDry-type transformer v0.4.0: sources 3 → 1
- UpdatedDuctile iron watermain v0.5.0: median 60 → 80 years, grade B → C, sources 3 → 6
- UpdatedDuctile iron watermain v0.6.0: sources or wording revised
- UpdatedElectric tank water heater v0.4.0: median 13.5 → 12.5 years, sources 3 → 4
- UpdatedElectric tank water heater v0.5.0: median 12.5 → 13.5 years, sources 4 → 3
- UpdatedElectrical panelboard v0.3.0: sources 1 → 2
- UpdatedElectrical panelboard v0.4.0: sources 2 → 1
- UpdatedEmergency lighting unit v0.3.0: median 10 → 15 years, sources 2 → 3
- UpdatedEmergency lighting unit v0.4.0: median 15 → 10 years, sources 3 → 2
- UpdatedEmergency lighting unit v0.5.0: sources or wording revised
- UpdatedEnergy recovery ventilator (ERV/HRV) v0.2.0: grade C → B, sources 1 → 3
- UpdatedEnergy recovery ventilator (ERV/HRV) v0.3.0: grade B → C, sources 3 → 1
- UpdatedEPDM roof v0.2.0: maintenance tasks 0 → 4
- UpdatedEPDM roof v0.3.0: sources or wording revised
- UpdatedEscalator v0.3.0: sources or wording revised
- UpdatedEscalator v0.4.0: median 50 → 35 years, sources 1 → 2
- UpdatedEscalator v0.5.0: median 35 → 50 years, sources 2 → 1
- UpdatedEvaporative condenser v0.2.0: maintenance tasks 0 → 13
- UpdatedEvaporative condenser v0.3.0: grade C → B, sources 2 → 3
- UpdatedEvaporative condenser v0.4.0: grade B → C, sources 3 → 2
- UpdatedEvaporative condenser v0.5.0: sources or wording revised
- UpdatedExhaust fan v0.2.0: median 17.5 → 15.5 years, sources 2 → 5
- UpdatedExhaust fan v0.3.0: median 15.5 → 17.5 years, sources 5 → 2
- UpdatedExit sign v0.3.0: median 7.5 → 10 years, sources 1 → 2
- UpdatedExterior LED light v0.2.0: median 17.5 → 25 years, sources 1 → 2
- UpdatedExterior LED light v0.3.0: median 25 → 17.5 years, sources 2 → 1
- UpdatedExterior LED light v0.4.0: median 17.5 → 15 years, sources 1 → 2
- UpdatedFan coil unit v0.3.0: sources or wording revised
- UpdatedFire alarm panel v0.3.0: sources 4 → 5
- UpdatedFire alarm panel v0.4.0: sources 5 → 4
- UpdatedFire alarm panel v0.5.0: sources or wording revised
- UpdatedFire hydrant v0.4.0: median 52.5 → 50 years, sources 12 → 13
- UpdatedFire hydrant v0.5.0: median 50 → 52.5 years, sources 13 → 12
- UpdatedFire hydrant v0.6.0: median 52.5 → 50 years, sources 12 → 19
- UpdatedFire hydrant v0.7.0: sources or wording revised
- UpdatedFire pump v0.3.0: median 20 → 25 years, sources 1 → 2
- UpdatedFire pump v0.4.0: median 25 → 20 years, sources 2 → 1
- UpdatedFluorescent light fixture v0.2.0: median 27.5 → 25 years, sources 1 → 2
- UpdatedFluorescent light fixture v0.3.0: median 25 → 27.5 years, sources 2 → 1
- UpdatedGas detector v0.6.0: maintenance tasks 0 → 2
- UpdatedGas furnace v0.5.0: sources or wording revised
- UpdatedGas tank water heater v0.4.0: median 12 → 12.25 years, sources 3 → 4
- UpdatedGas tank water heater v0.5.0: median 12.25 → 12 years, sources 4 → 3
- UpdatedGas unit heater v0.2.0: maintenance tasks 0 → 8
- UpdatedGas unit heater v0.3.0: maintenance tasks 8 → 7
- UpdatedGas unit heater v0.4.0: sources or wording revised
- UpdatedGravel road v0.3.0: sources 5 → 7
- UpdatedGravel road v0.4.0: maintenance tasks 0 → 3
- UpdatedGravel road v0.5.0: sources or wording revised
- UpdatedGuide rail v0.2.0: sources or wording revised
- UpdatedHDPE watermain v0.5.0: grade B → C, sources 4 → 6
- UpdatedHDPE watermain v0.6.0: sources or wording revised
- UpdatedHot water unit heater v0.2.0: maintenance tasks 0 → 7
- UpdatedHot water unit heater v0.3.0: sources or wording revised
- UpdatedHydraulic elevator v0.4.0: sources 8 → 10
- UpdatedHydraulic elevator v0.5.0: sources 10 → 8
- UpdatedHydraulic elevator v0.6.0: sources or wording revised
- UpdatedHydronic baseboard heater v0.2.0: maintenance tasks 0 → 6
- UpdatedIce plant brine chiller v0.2.0: sources or wording revised
- UpdatedIce plant compressor v0.2.0: median 22.5 → 20 years, sources 2 → 3
- UpdatedIce plant compressor v0.3.0: median 20 → 22.5 years, sources 3 → 2
- UpdatedIce plant compressor v0.4.0: sources or wording revised
- UpdatedIce resurfacer v0.2.0: sources or wording revised
- UpdatedInline circulator pump v0.4.0: sources 2 → 4
- UpdatedInline circulator pump v0.5.0: sources 4 → 2
- UpdatedLED light fixture v0.2.0: sources or wording revised
- UpdatedLED light fixture v0.3.0: median 27.5 → 25 years, sources 1 → 4
- UpdatedLED light fixture v0.4.0: median 25 → 27.5 years, sources 4 → 1
- UpdatedLED light fixture v0.5.0: median 27.5 → 25 years, sources 1 → 2
- UpdatedMetal roof v0.2.0: maintenance tasks 0 → 4
- UpdatedMetal roof v0.3.0: sources or wording revised
- UpdatedNatural gas generator v0.3.0: sources 1 → 2
- UpdatedNatural gas generator v0.4.0: sources 2 → 1
- UpdatedNon-condensing hot water boiler v0.3.0: sources 1 → 3
- UpdatedNon-condensing hot water boiler v0.4.0: sources 3 → 1
- UpdatedOverhead door v0.2.0: maintenance tasks 0 → 5
- UpdatedPad-mounted transformer v0.3.0: median 31 → 33.5 years, sources 2 → 5
- UpdatedPad-mounted transformer v0.4.0: median 33.5 → 31 years, sources 5 → 2
- UpdatedPlate heat exchanger v0.2.0: maintenance tasks 0 → 4
- UpdatedPlate heat exchanger v0.3.0: median 35 → 25 years, sources 1 → 2
- UpdatedPlate heat exchanger v0.4.0: median 25 → 35 years, sources 2 → 1
- UpdatedPortable fire extinguisher v0.2.0: maintenance tasks 0 → 7
- UpdatedPortable fire extinguisher v0.3.0: median 12.5 → 15 years, sources 1 → 2
- UpdatedPortable fire extinguisher v0.4.0: median 15 → 12.5 years, sources 2 → 1, maintenance tasks 7 → 5
- UpdatedPVC sanitary sewer v0.3.0: median 90 → 100 years, sources 6 → 8
- UpdatedPVC sanitary sewer v0.4.0: sources or wording revised
- UpdatedPVC storm sewer v0.2.0: sources or wording revised
- UpdatedPVC watermain v0.4.0: median 80 → 100 years, sources 5 → 8
- UpdatedPVC watermain v0.5.0: sources or wording revised
- UpdatedRoad base v0.2.0: sources 7 → 13
- UpdatedRoad base v0.3.0: sources or wording revised
- UpdatedRooftop heat pump v0.4.0: median 21 → 18.6 years, sources 3 → 4
- UpdatedRooftop heat pump v0.5.0: median 18.6 → 21 years, sources 4 → 3
- UpdatedSanitary forcemain v0.2.0: median 100 → 91.5 years, sources 1 → 2
- UpdatedSanitary forcemain v0.3.0: maintenance tasks 0 → 1
- UpdatedSanitary forcemain v0.4.0: median 91.5 → 80 years, sources 2 → 9
- UpdatedSanitary forcemain v0.5.0: sources or wording revised
- UpdatedSanitary manhole v0.3.0: sources 3 → 5
- UpdatedSanitary manhole v0.4.0: sources 5 → 3
- UpdatedSanitary manhole v0.5.0: median 60 → 67.5 years, sources 3 → 6
- UpdatedSanitary manhole v0.6.0: sources or wording revised
- UpdatedSewage ejector pump v0.3.0: median 50 → 30 years, sources 1 → 2
- UpdatedSewage ejector pump v0.4.0: median 30 → 50 years, sources 2 → 1
- UpdatedSewer service lateral v0.4.0: median 55 → 60 years, grade C → B, sources 2 → 3
- UpdatedSewer service lateral v0.5.0: median 60 → 55 years, grade B → C, sources 3 → 2
- UpdatedSewer service lateral v0.6.0: median 55 → 70 years, sources 2 → 4
- UpdatedSewer service lateral v0.7.0: sources or wording revised
- UpdatedSplit system condensing unit v0.2.0: maintenance tasks 0 → 13
- UpdatedSplit system condensing unit v0.3.0: median 15 → 12.5 years, sources 1 → 2
- UpdatedSplit system condensing unit v0.4.0: median 12.5 → 15 years, sources 2 → 1, maintenance tasks 13 → 12
- UpdatedSplit system condensing unit v0.5.0: median 15 → 18.1 years, sources 1 → 2
- UpdatedStandpipe system v0.3.0: median 50 → 37.5 years, sources 1 → 2
- UpdatedStandpipe system v0.4.0: median 37.5 → 50 years, sources 2 → 1
- UpdatedSteam boiler v0.2.0: sources 1 → 2
- UpdatedSteam boiler v0.3.0: sources 2 → 1
- UpdatedSteel bridge v0.4.0: sources or wording revised
- UpdatedStorm manhole v0.3.0: grade C → B, sources 2 → 3
- UpdatedStorm manhole v0.4.0: sources 3 → 5
- UpdatedStorm manhole v0.5.0: sources 5 → 3
- UpdatedStorm manhole v0.6.0: median 50 → 62.5 years, grade B → C, sources 3 → 10
- UpdatedStorm manhole v0.7.0: sources or wording revised
- UpdatedStormwater pond v0.4.0: sources 8 → 9
- UpdatedStormwater pond v0.5.0: maintenance tasks 0 → 12
- UpdatedStormwater pond v0.6.0: sources 9 → 14
- UpdatedStormwater pond v0.7.0: sources or wording revised
- UpdatedStreetlight v0.10.0: sources or wording revised
- UpdatedStreetlight v0.4.0: median 25 → 27.5 years, sources 17 → 18
- UpdatedStreetlight v0.6.0: maintenance tasks 0 → 5
- UpdatedStreetlight v0.7.0: median 27.5 → 25 years, sources 18 → 19
- UpdatedStreetlight v0.8.0: median 25 → 27.5 years, sources 19 → 18
- UpdatedStreetlight v0.9.0: median 27.5 → 30 years, sources 18 → 24
- UpdatedSump pump v0.2.0: maintenance tasks 0 → 6
- UpdatedSump pump v0.3.0: median 17.5 → 15 years, sources 1 → 2
- UpdatedSump pump v0.4.0: median 15 → 17.5 years, sources 2 → 1
- UpdatedSupply or return fan v0.2.0: median 15 → 17.75 years, grade C → B, sources 1 → 4
- UpdatedSupply or return fan v0.3.0: median 17.75 → 15 years, grade B → C, sources 4 → 1
- UpdatedSurface-treated road v0.2.0: sources 12 → 17
- UpdatedSurface-treated road v0.5.0: maintenance tasks 0 → 3
- UpdatedSurface-treated road v0.6.0: sources or wording revised
- UpdatedTankless water heater v0.3.0: maintenance tasks 0 → 1
- UpdatedTankless water heater v0.4.0: maintenance tasks 1 → 0
- UpdatedTemperature sensor v0.2.0: median 12.5 → 15 years, sources 1 → 3
- UpdatedTemperature sensor v0.3.0: median 15 → 12.5 years, sources 3 → 1
- UpdatedTemperature sensor v0.4.0: maintenance tasks 2 → 7
- UpdatedThermostat v0.2.0: maintenance tasks 0 → 9
- UpdatedThermostat v0.4.0: maintenance tasks 9 → 14
- UpdatedToilet v0.2.0: maintenance tasks 0 → 4
- UpdatedToilet v0.3.0: median 40 → 32.5 years, sources 1 → 2
- UpdatedToilet v0.4.0: median 32.5 → 40 years, sources 2 → 1
- UpdatedTPO or PVC roof v0.2.0: maintenance tasks 0 → 5
- UpdatedTraction elevator v0.4.0: sources 8 → 10
- UpdatedTraction elevator v0.5.0: sources 10 → 8
- UpdatedTraction elevator v0.6.0: sources or wording revised
- UpdatedTraffic signal v0.3.0: maintenance tasks 0 → 1
- UpdatedTraffic signal v0.4.0: median 25 → 25.1 years, sources 13 → 25
- UpdatedTraffic signal v0.5.0: sources or wording revised
- UpdatedUrinal v0.2.0: maintenance tasks 0 → 2
- UpdatedUrinal v0.3.0: median 40 → 32.5 years, sources 1 → 2
- UpdatedUrinal v0.4.0: median 32.5 → 40 years, sources 2 → 1
- UpdatedVinyl window v0.2.0: grade C → B, sources 1 → 3
- UpdatedVinyl window v0.3.0: grade B → C, sources 3 → 1
- UpdatedVinyl window v0.6.0: maintenance tasks 0 → 3
- UpdatedWater meter v0.6.0: maintenance tasks 0 → 14
- UpdatedWater meter v0.7.0: sources or wording revised
- UpdatedWater service connection v0.4.0: median 60 → 67.5 years, grade B → C, sources 3 → 6
- UpdatedWater service connection v0.5.0: sources or wording revised
- UpdatedWater-cooled chiller v0.2.0: median 21.5 → 20 years, sources 2 → 3
- UpdatedWater-cooled chiller v0.3.0: median 20 → 21.5 years, sources 3 → 2
- UpdatedWater-source heat pump v0.2.0: maintenance tasks 0 → 11
- UpdatedWatermain valve v0.4.0: sources 6 → 7
- UpdatedWatermain valve v0.5.0: sources 7 → 6
- UpdatedWatermain valve v0.6.0: sources 6 → 12
- UpdatedWatermain valve v0.7.0: sources or wording revised
- UpdatedWet pipe sprinkler system v0.4.0: median 32.5 → 25 years, sources 6 → 7
- UpdatedWet pipe sprinkler system v0.5.0: median 25 → 32.5 years, sources 7 → 6
- UpdatedWet pipe sprinkler system v0.6.0: sources or wording revised
2026-10-21 99 entries published, 91 entries updated, 1 batch of municipal documents
- NewAir-cooled chiller published (v0.1.0): 21.5 years, grade C, 19 maintenance tasks
- NewAluminum window published (v0.1.0): 37.5 years, grade C
- NewArena dehumidifier published (v0.1.0): 20 years, grade C
- NewAsbestos cement sanitary sewer published (v0.1.0): 80 years, grade C
- NewAsphalt parking lot published (v0.1.0): 25 years, grade C
- NewAsphalt road surface published (v0.1.0): 22.5 years, grade C
- NewAsphalt shingle roof published (v0.1.0): 22.5 years, grade C
- NewAutomatic door published (v0.1.0): 30 years, grade C
- NewBase-mounted end suction pump published (v0.1.0): 17.5 years, grade C, 8 maintenance tasks
- NewBridge deck wearing surface published (v0.1.0): 25 years, grade C
- NewBuilt-up roof published (v0.1.0): 15 years, grade C
- NewCast iron watermain published (v0.1.0): 75 years, grade C
- NewCatch basin published (v0.1.0): 50 years, grade C
- NewClay sanitary sewer published (v0.1.0): 80 years, grade C
- NewComputer room air conditioner (CRAC) published (v0.1.0): 15 years, grade C
- NewConcrete culvert published (v0.1.0): 75 years, grade C
- NewConcrete curb and gutter published (v0.1.0): 50 years, grade C
- NewConcrete pressure pipe watermain published (v0.1.0): 80 years, grade C
- NewConcrete road published (v0.1.0): 25 years, grade C
- NewConcrete sanitary sewer published (v0.1.0): 80 years, grade C
- NewConcrete sidewalk published (v0.1.0): 50 years, grade C
- NewConcrete storm sewer published (v0.1.0): 62.5 years, grade C
- NewCondensing boiler published (v0.1.0): 24.9 years, grade C, 31 maintenance tasks
- NewCooling tower published (v0.1.0): 25 years, grade C
- NewCorrugated steel pipe culvert published (v0.1.0): 32.5 years, grade C
- NewCurtain wall glazing published (v0.1.0): 40 years, grade C
- NewDiesel generator published (v0.1.0): 25 years, grade C
- NewDomestic water booster pump published (v0.1.0): 20 years, grade C
- NewDry pipe sprinkler system published (v0.1.0): 25 years, grade C
- NewDry-type transformer published (v0.1.0): 32 years, grade C
- NewDuctile iron watermain published (v0.1.0): 50 years, grade C
- NewElectric tank water heater published (v0.1.0): 13.5 years, grade C
- NewElectrical panelboard published (v0.1.0): 50 years, grade C
- NewEmergency lighting unit published (v0.1.0): 10 years, grade C
- NewEnergy recovery ventilator (ERV/HRV) published (v0.1.0): 20 years, grade C
- NewEPDM roof published (v0.1.0): 17.5 years, grade C
- NewEscalator published (v0.1.0): 50 years, grade C
- NewEvaporative condenser published (v0.1.0): 25 years, grade C
- NewExhaust fan published (v0.1.0): 17.5 years, grade C, 8 maintenance tasks
- NewExit sign published (v0.1.0): 7.5 years, grade C
- NewExterior LED light published (v0.1.0): 17.5 years, grade C
- NewFan coil unit published (v0.1.0): 30 years, grade C
- NewFire alarm panel published (v0.1.0): 20 years, grade C
- NewFire hydrant published (v0.1.0): 52.5 years, grade C
- NewFire pump published (v0.1.0): 20 years, grade C
- NewFluorescent light fixture published (v0.1.0): 27.5 years, grade C, 1 maintenance task
- NewGas furnace published (v0.1.0): 17.5 years, grade C
- NewGas tank water heater published (v0.1.0): 13.5 years, grade C
- NewGas unit heater published (v0.1.0): 20 years, grade C
- NewGravel road published (v0.1.0): 45 years, grade C
- NewHDPE watermain published (v0.1.0): 75 years, grade C
- NewHot water recirculation pump published (v0.1.0): 15 years, grade C
- NewHot water unit heater published (v0.1.0): 20 years, grade C
- NewHydraulic elevator published (v0.1.0): 20 years, grade C
- NewHydronic baseboard heater published (v0.1.0): 50 years, grade C
- NewIce plant brine chiller published (v0.1.0): 25 years, grade C
- NewIce plant compressor published (v0.1.0): 22.5 years, grade C
- NewIce resurfacer published (v0.1.0): 15 years, grade C
- NewInline circulator pump published (v0.1.0): 20 years, grade C
- NewLED light fixture published (v0.1.0): 27.5 years, grade C, 1 maintenance task
- NewMetal roof published (v0.1.0): 40 years, grade C
- NewNatural gas generator published (v0.1.0): 25 years, grade C
- NewNon-condensing hot water boiler published (v0.1.0): 25 years, grade C
- NewOverhead door published (v0.1.0): 30 years, grade C
- NewPad-mounted transformer published (v0.1.0): 31 years, grade C
- NewPlate heat exchanger published (v0.1.0): 35 years, grade C
- NewPortable fire extinguisher published (v0.1.0): 12.5 years, grade C
- NewPVC sanitary sewer published (v0.1.0): 80 years, grade C
- NewPVC watermain published (v0.1.0): 80 years, grade C
- NewRoad base published (v0.1.0): 50 years, grade C
- NewRooftop heat pump published (v0.1.0): 15 years, grade C
- NewSanitary forcemain published (v0.1.0): 100 years, grade C
- NewSanitary manhole published (v0.1.0): 60 years, grade C
- NewSewage ejector pump published (v0.1.0): 50 years, grade C
- NewSewer service lateral published (v0.1.0): 60 years, grade C
- NewSplit system condensing unit published (v0.1.0): 15 years, grade C
- NewStandpipe system published (v0.1.0): 50 years, grade C
- NewSteam boiler published (v0.1.0): 24.8 years, grade C, 42 maintenance tasks
- NewSteam humidifier published (v0.1.0): 20 years, grade C
- NewStorm manhole published (v0.1.0): 50 years, grade C
- NewStormwater pond published (v0.1.0): 50 years, grade C
- NewStreetlight published (v0.1.0): 25 years, grade C
- NewSump pump published (v0.1.0): 17.5 years, grade C
- NewSupply or return fan published (v0.1.0): 15 years, grade C, 13 maintenance tasks
- NewSurface-treated road published (v0.1.0): 10 years, grade C
- NewTankless water heater published (v0.1.0): 20 years, grade C
- NewTemperature sensor published (v0.1.0): 12.5 years, grade C, 2 maintenance tasks
- NewThermostat published (v0.1.0): 17.5 years, grade C
- NewToilet published (v0.1.0): 40 years, grade C
- NewTPO or PVC roof published (v0.1.0): 15 years, grade C
- NewTraction elevator published (v0.1.0): 20 years, grade C
- NewTraffic signal published (v0.1.0): 25 years, grade C
- NewUrinal published (v0.1.0): 40 years, grade C
- NewVinyl window published (v0.1.0): 30 years, grade C
- NewWater service connection published (v0.1.0): 50 years, grade C
- NewWater-cooled chiller published (v0.1.0): 21.5 years, grade C, 23 maintenance tasks
- NewWater-source heat pump published (v0.1.0): 19 years, grade C
- NewWatermain valve published (v0.1.0): 50 years, grade C
- NewWet pipe sprinkler system published (v0.1.0): 25 years, grade C
- MunicipalLife tables from 52 municipalities added: Amherstburg, Bancroft, Barrie, Brockton, Canmore, Centre Hastings, Chapple, Comox Valley, Cranbrook, Duncan, Essex, Fort St. James, Greater Madawaska, Greater Napanee, Greater Sudbury, Grey Highlands, Halton, Hastings Highlands, Kapuskasing, Kenora, Kingston, Kirkland Lake, Lantzville, Leduc, Lloydminster, London, Meaford, North Cowichan, Okanagan-Similkameen, Orillia, Parksville, Prince Edward, Quinte West, Rainy River, Revelstoke, Rossland, Salmo, Sarnia, Severn, Sicamous, Simcoe, Telkwa, The Blue Mountains, Tofino, Toronto, Trent Lakes, Tumbler Ridge, Vulcan County, Welland, Westlock, Wollaston, York
91 entries updated
- UpdatedAsbestos cement sanitary sewer v0.2.0: median 80 → 67.5 years, sources 1 → 2
- UpdatedAsphalt parking lot v0.2.0: median 25 → 23.75 years, sources 1 → 8
- UpdatedAsphalt parking lot v0.3.0: median 23.75 → 22.5 years, sources 8 → 9
- UpdatedAsphalt shingle roof v0.2.0: grade C → B
- UpdatedAsphalt shingle roof v0.3.0: median 22.5 → 25 years, sources 4 → 5
- UpdatedBridge deck wearing surface v0.2.0: median 25 → 22.5 years, sources 3 → 4
- UpdatedBridge deck wearing surface v0.3.0: maintenance tasks 0 → 2
- UpdatedCast iron watermain v0.2.0: median 75 → 60 years, sources 1 → 5
- UpdatedCast iron watermain v0.3.0: maintenance tasks 0 → 2
- UpdatedCatch basin v0.2.0: sources 1 → 6
- UpdatedCatch basin v0.3.0: sources 6 → 7
- UpdatedCatch basin v0.4.0: maintenance tasks 0 → 3
- UpdatedClay sanitary sewer v0.2.0: sources 2 → 3
- UpdatedComputer room air conditioner (CRAC) v0.2.0: maintenance tasks 0 → 23
- UpdatedConcrete culvert v0.2.0: sources 3 → 6
- UpdatedConcrete culvert v0.3.0: grade C → B
- UpdatedConcrete curb and gutter v0.2.0: median 50 → 35 years, sources 1 → 5
- UpdatedConcrete pressure pipe watermain v0.2.0: median 80 → 90 years, sources 1 → 3
- UpdatedConcrete pressure pipe watermain v0.3.0: median 90 → 80 years, sources 3 → 1
- UpdatedConcrete pressure pipe watermain v0.4.0: maintenance tasks 0 → 2
- UpdatedConcrete sanitary sewer v0.2.0: sources 4 → 5
- UpdatedConcrete sidewalk v0.2.0: median 50 → 40 years, sources 1 → 7
- UpdatedConcrete storm sewer v0.2.0: median 62.5 → 75 years, sources 2 → 3
- UpdatedCooling tower v0.2.0: maintenance tasks 0 → 17
- UpdatedCorrugated steel pipe culvert v0.2.0: median 32.5 → 35 years, sources 5 → 7
- UpdatedDiesel generator v0.2.0: maintenance tasks 0 → 20
- UpdatedDomestic water booster pump v0.2.0: maintenance tasks 0 → 4
- UpdatedDry pipe sprinkler system v0.2.0: median 25 → 32.5 years, sources 5 → 6
- UpdatedDry pipe sprinkler system v0.3.0: maintenance tasks 0 → 29
- UpdatedDry-type transformer v0.2.0: maintenance tasks 0 → 16
- UpdatedDuctile iron watermain v0.2.0: median 50 → 60 years, sources 1 → 3
- UpdatedDuctile iron watermain v0.3.0: grade C → B
- UpdatedDuctile iron watermain v0.4.0: maintenance tasks 0 → 2
- UpdatedElectric tank water heater v0.2.0: grade C → B, sources 1 → 3
- UpdatedElectric tank water heater v0.3.0: maintenance tasks 0 → 4
- UpdatedElectrical panelboard v0.2.0: maintenance tasks 0 → 17
- UpdatedEmergency lighting unit v0.2.0: maintenance tasks 0 → 1
- UpdatedEscalator v0.2.0: maintenance tasks 0 → 1
- UpdatedExit sign v0.2.0: maintenance tasks 0 → 3
- UpdatedFan coil unit v0.2.0: maintenance tasks 0 → 1
- UpdatedFire alarm panel v0.2.0: maintenance tasks 0 → 10
- UpdatedFire hydrant v0.2.0: sources 10 → 12
- UpdatedFire hydrant v0.3.0: maintenance tasks 0 → 15
- UpdatedFire pump v0.2.0: maintenance tasks 0 → 28
- UpdatedGas furnace v0.2.0: grade C → B
- UpdatedGas furnace v0.3.0: median 17.5 → 20 years, grade B → C, sources 4 → 6
- UpdatedGas furnace v0.4.0: maintenance tasks 0 → 10
- UpdatedGas tank water heater v0.2.0: median 13.5 → 12 years, grade C → B, sources 1 → 3
- UpdatedGas tank water heater v0.3.0: maintenance tasks 0 → 5
- UpdatedGas/electric rooftop unit v0.2.0: grade D → C, maintenance tasks 3 → 0
- UpdatedGas/electric rooftop unit v0.3.0: median 15 → 21 years, sources 1 → 3
- UpdatedGas/electric rooftop unit v0.4.0: maintenance tasks 0 → 23
- UpdatedGravel road v0.2.0: median 45 → 75 years, sources 4 → 5
- UpdatedHDPE watermain v0.2.0: median 75 → 77.5 years, sources 1 → 4
- UpdatedHDPE watermain v0.3.0: grade C → B
- UpdatedHDPE watermain v0.4.0: maintenance tasks 0 → 2
- UpdatedHot water recirculation pump v0.2.0: maintenance tasks 0 → 3
- UpdatedHot water recirculation pump v0.3.0: median 15 → 12.75 years, sources 1 → 2
- UpdatedHydraulic elevator v0.2.0: sources 7 → 8
- UpdatedHydraulic elevator v0.3.0: maintenance tasks 0 → 3
- UpdatedInline circulator pump v0.2.0: maintenance tasks 0 → 3
- UpdatedInline circulator pump v0.3.0: median 20 → 15.25 years, sources 1 → 2
- UpdatedNatural gas generator v0.2.0: maintenance tasks 0 → 16
- UpdatedNon-condensing hot water boiler v0.2.0: maintenance tasks 0 → 35
- UpdatedPad-mounted transformer v0.2.0: maintenance tasks 0 → 9
- UpdatedPVC sanitary sewer v0.2.0: median 80 → 90 years, sources 4 → 6
- UpdatedPVC watermain v0.2.0: sources 3 → 5
- UpdatedPVC watermain v0.3.0: maintenance tasks 0 → 2
- UpdatedRooftop heat pump v0.2.0: median 15 → 21 years, sources 1 → 3
- UpdatedRooftop heat pump v0.3.0: maintenance tasks 0 → 23
- UpdatedSanitary manhole v0.2.0: maintenance tasks 0 → 2
- UpdatedSewage ejector pump v0.2.0: maintenance tasks 0 → 9
- UpdatedSewer service lateral v0.2.0: median 60 → 55 years, sources 1 → 2
- UpdatedSewer service lateral v0.3.0: maintenance tasks 0 → 1
- UpdatedStandpipe system v0.2.0: maintenance tasks 0 → 15
- UpdatedSteam humidifier v0.2.0: maintenance tasks 0 → 1
- UpdatedStorm manhole v0.2.0: maintenance tasks 0 → 3
- UpdatedStormwater pond v0.2.0: sources 1 → 6
- UpdatedStormwater pond v0.3.0: sources 6 → 8
- UpdatedStreetlight v0.2.0: sources 1 → 15
- UpdatedStreetlight v0.3.0: sources 15 → 17
- UpdatedTankless water heater v0.2.0: grade C → B, sources 1 → 3
- UpdatedTraction elevator v0.2.0: sources 7 → 8
- UpdatedTraction elevator v0.3.0: maintenance tasks 0 → 9
- UpdatedTraffic signal v0.2.0: sources 11 → 13
- UpdatedWater service connection v0.2.0: median 50 → 60 years, sources 1 → 3
- UpdatedWater service connection v0.3.0: grade C → B
- UpdatedWatermain valve v0.2.0: sources 4 → 6
- UpdatedWatermain valve v0.3.0: maintenance tasks 0 → 9
- UpdatedWet pipe sprinkler system v0.2.0: median 25 → 32.5 years, sources 5 → 6
- UpdatedWet pipe sprinkler system v0.3.0: maintenance tasks 0 → 23