0 items changed

Overview

iKey project metrics at a glance — total cost per m², labor and material shares, and estimated duration
Source: Text Query
C$794.08
Cost / m²
39.7%
Labor
38.5%
Materials
420 days
Est. Duration

Work Items

14 items iAdjust quantities or remove items, then recalculate. Click item name to jump to details.
Soil excavation using single-bucket electric dragline excavators with a bucket c2161000 m3C$2,161.89
Construction of reinforced concrete foundations for general use under columns wi126100 m3C$79,822.47
Construction of reinforced concrete foundations for general use under columns wi90100 m3C$57,016.05
Laying reinforced brick walls in areas with seismicity of 7-8 points: external s378m3C$291,797.51
Laying brick partitions: reinforced with a thickness of 1/4 brick with a floor h1620100 m2C$130,643.10
Construction of flat roofs using polymer mastic based on butyl rubber: priming o630100 m2C$2,388.84
Installation of window blocks with frames in residential and public buildings: p324100 m2C$178,472.37
Installation of partitions made of PVC profiles: with door block72100 m2C$28,209.32
Installation of xylolite pavements: 15 mm thick1530100 m2C$194,322.71
Continuous leveling of wall plaster with cement-lime mortar with a thickness of:3060100 m2C$30,582.73
Painting with adhesive compounds: simple3060100 m2C$14,863.95
Plastic boxes: up to 40 mm wide5400100 mC$30,306.95
Laying water supply pipelines made of galvanized steel water and gas pipes with 1260100 mC$14,981.60
Laying air ducts made of galvanized sheet steel and aluminum class H (normal) wi1800100 m2C$373,773.24

Project Context

iInput parameters, location adjustment factors, and detection confidence for this estimate
Source
School
1,800 m² · 14 items
SourceText Query
Work Items14 items · 14 Categories
CurrencyC$ CAD
LanguageEnglish
Date10 Apr 2026
primary school 1800 m2 in Toronto
Cost / m²
C$794.08
1,800 m²
Est. Duration
14 months
420 days
Overhead
15%
C$169,487.28
Direct Costs
79%
C$1,129,915.20
Location
Toronto, Canada
Americas
×1.07
Estimate Overview
C$1,429,342.75
C$794.08 / m² · 14 months (420 days)
Labor 40% Materials 38% Equipment 1% Overhead 12% Profit 9%
Contingency (P80)
+8%
C$120,064.79
Budget (P80)
C$1,549,407.54
recommended
Resources
65
47 mat · 5 lab · 13 equ
Overhead + Profit
12% + 9%
C$299,427.55
Pricing Methodology
Data Source: DDC Pricing DB — English · 55,719 items · CWICR
City Adjustment
🏛 Toronto, Canada
Your city matches the base — coefficients ×1.00
PPP Coefficients
Labor Factor
×
click to adjust
Material Factor
×
click to adjust
Equipment Factor
×
click to adjust
Prices from a professional construction database (55,719 items), adjusted to your city using construction-specific Purchasing Power Parity (PPP). Coefficients can be manually adjusted.
Detection Confidence
50%

Cost Breakdown

iHow the total cost is distributed: labor, materials, equipment, overhead, and profit margins
C$1,129,915.20Direct Cost
Labor (40%)C$567,388.02
Materials (38%)C$550,912.39
Equipment (1%)C$11,614.79
Overhead (12%)C$169,487.28
Profit (9%)C$129,940.27
Cost / m²
LaborC$315.22
MaterialsC$306.06
EquipmentC$6.45
OverheadC$94.16
ProfitC$72.19
Grand TotalC$794.08
Materials / Labor
0.97
Direct Cost %
79.1%
14 work items across 14 categories, 65 resources

Cost Flow

14iVisual flow of the total budget through work categories, showing proportional cost distribution
Total CostC$1,429,342.75HVAC: C$373,773.24 (26.2%)Doors: C$28,209.32 (2.0%)Roofing: C$2,388.84 (0.2%)Windows: C$178,472.37 (12.5%)Flooring: C$194,322.71 (13.6%)Painting: C$14,863.95 (1.0%)Plumbing: C$14,981.60 (1.0%)Earthwork: C$2,161.89 (0.2%)Structure: C$57,016.05 (4.0%)Electrical: C$30,306.95 (2.1%)Foundation: C$79,822.47 (5.6%)Plastering: C$30,582.73 (2.1%)External Walls: C$291,797.51 (20.4%)Internal Walls: C$130,643.10 (9.1%)HVAC26.2%Doors2.0%Roofing0.2%Windows12.5%Flooring13.6%Painting1.0%Plumbing1.0%Earthwork0.2%Structure4.0%Electrical2.1%Foundation5.6%Plastering2.1%External Walls20.4%Internal Walls9.1%

Categories

14iCost distribution by work category — earthwork, structure, facade, MEP, finishes, etc.
CategoryCostCost / m²Share
HVACC$373,773.24C$207.6526.2%
DoorsC$28,209.32C$15.672.0%
RoofingC$2,388.84C$1.330.2%
WindowsC$178,472.37C$99.1512.5%
FlooringC$194,322.71C$107.9613.6%
PaintingC$14,863.95C$8.261.0%
PlumbingC$14,981.60C$8.321.0%
EarthworkC$2,161.89C$1.200.2%
StructureC$57,016.05C$31.684.0%
ElectricalC$30,306.95C$16.842.1%
FoundationC$79,822.47C$44.355.6%
PlasteringC$30,582.73C$16.992.1%
External WallsC$291,797.51C$162.1120.4%
Internal WallsC$130,643.10C$72.589.1%

Top Items

DescriptionTotal
Laying air ducts made of galvanized sheet steel and alu…C$373,773.24
Laying reinforced brick walls in areas with seismicity …C$291,797.51
Installation of xylolite pavements: 15 mm thickC$194,322.71
Installation of window blocks with frames in residentia…C$178,472.37
Laying brick partitions: reinforced with a thickness of…C$130,643.10

What-If Scenarios

iExplore how changes in material, labor, or equipment costs affect the total project budget
Optimistic (-10%)
C$1,286,408.48
↓ C$142,934.27 savings
Labor -10% · Materials -10% · Equipment -10%
Base Estimate
C$1,429,342.75
Deterministic
Labor ×1.00 · Materials ×1.00 · Equipment ×1.00
Pessimistic (+15%)
C$1,643,744.16
↑ C$214,401.41 increase
Labor +15% · Materials +15% · Equipment +15%
Custom Scenario: Adjust cost components
Labor 0%
Materials 0%
Equipment 0%
Custom Scenario Total Cost
C$1,429,342.75

Project Schedule

≈14 months Peak 23iProject timeline with critical path method (CPM), Gantt chart, and resource allocation
Construction PhasesAI
Site PreparationSite clearing, temporary facilities setup, access roads64d
EarthworksExcavation, site grading, utility trenches8d
Foundation WorkFootings, foundation walls, basement slab if applicable52d
Structural FrameworkSteel or concrete frame, columns, beams, floor slabs39d
Roofing SystemRoof structure, decking, waterproofing, final roof covering8d
External Wall ConstructionExterior masonry, cladding, insulation, weatherproofing8d
Windows and Exterior DoorsInstallation of all exterior windows and doors52d
MEP Rough-inElectrical conduits, plumbing rough-in, HVAC ductwork37d
Internal Wall ConstructionInterior partition walls, framing, drywall installation8d
Insulation InstallationThermal and acoustic insulation in walls and ceilings8d
Plastering and Drywall FinishingWall finishing, joint taping, texturing, ceiling work58d
Interior DoorsInstallation of classroom and corridor doors, hardware9d
MEP Final InstallationElectrical fixtures, plumbing fixtures, HVAC units and grilles8d
Flooring InstallationClassroom floors, corridor finishes, gymnasium flooring59d
Interior PaintingPrimer and finish painting of all interior surfaces40d
Final Finishes and FixturesClassroom equipment, whiteboards, signage, hardware8d
Testing and HandoverSystem commissioning, safety inspections, final walkthrough8d
14
months
420
days
17
phases
14
Critical Path
23
Peak workers
13,293
Labor Hours
M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 Crew/Float Site Preparation Site Preparation: 64d, Crew 6, Float 0d 64d 6 / - Earthworks Earthworks: 8d, Crew 2, Float 0d 2 / - Foundation Work Foundation Work: 52d, Crew 3, Float 0d 52d 3 / - Structural Framework Structural Framework: 39d, Crew 15, Float 0d 39d 15 / - Roofing System Roofing System: 8d, Crew 2, Float 15d 2 / 15d External Wall Constru… External Wall Construction: 8d, Crew 2, Float 0d 2 / - Windows and Exterior … Windows and Exterior Doors: 52d, Crew 2, Float 0d 52d 2 / - MEP Rough-in MEP Rough-in: 37d, Crew 21, Float 15d 37d 21 / 15d Internal Wall Constru… Internal Wall Construction: 8d, Crew 2, Float 0d 2 / - Insulation Installati… Insulation Installation: 8d, Crew 2, Float 0d 2 / - Plastering and Drywal… Plastering and Drywall Finishing: 58d, Crew 3, Float 0d 58d 3 / - Interior Doors Interior Doors: 9d, Crew 2, Float 58d 2 / 58d MEP Final Installation MEP Final Installation: 8d, Crew 2, Float 0d 2 / - Flooring Installation Flooring Installation: 59d, Crew 4, Float 0d 59d 4 / - Interior Painting Interior Painting: 40d, Crew 2, Float 0d 40d 2 / - Final Finishes and Fi… Final Finishes and Fixtures: 8d, Crew 2, Float 0d 2 / - Testing and Handover Testing and Handover: 8d, Crew 2, Float 0d 2 / - Workers 1.4M 50% (181d)
Site PreparationEarthworksFoundation WorkStructural FrameworkRoofing SystemExternal Wall ConstructionWindows and Exterior DoorsMEP Rough-inInternal Wall ConstructionInsulation InstallationPlastering and Drywall FinishingInterior DoorsMEP Final InstallationFlooring InstallationInterior PaintingFinal Finishes and FixturesTesting and HandoverCumulative Cost
Labor Hours by Phase
MEP Rough-in
4,105 hours
Structural Framework
3,030 hours
Site Preparation
2,045 hours
Flooring Installatio
1,268 hours
Plastering and Drywa
915 hours
Foundation Work
839 hours
Windows and Exterior
555 hours
Interior Painting
424 hours
Interior Doors
91 hours
External Wall Constr
50 hours
Internal Wall Constr
50 hours
Insulation Installat
50 hours
MEP Final Installati
50 hours
Final Finishes and F
50 hours
Testing and Handover
50 hours
Roofing System
20 hours
Earthworks
1 hours

Monthly Cash Flow

14 monthsiMonthly cost distribution and cumulative S-curve showing how project spending builds over time
4%
M1
9%
M2
11%
M3
14%
M4
31%
M5
49%
M6
78%
M7
81%
M8
82%
M9
84%
M10
91%
M11
98%
M12
100%
M13
100%
M14
MonthdaysMonthly Cost%Cumulative%
M11–30C$61,238.954.3%C$61,238.954%
M231–60C$61,238.954.3%C$122,477.919%
M361–90C$37,957.942.7%C$160,435.8511%
M491–120C$46,051.433.2%C$206,487.2714%
M5121–150C$238,682.5616.7%C$445,169.8331%
M6151–180C$251,483.4217.6%C$696,653.2649%
M7181–210C$420,092.6729.4%C$1,116,745.9378%
M8211–240C$45,145.383.2%C$1,161,891.3181%
M9241–270C$15,818.651.1%C$1,177,709.9682%
M10271–300C$23,639.891.7%C$1,201,349.8684%
M11301–330C$101,146.347.1%C$1,302,496.2091%
M12331–360C$98,808.166.9%C$1,401,304.3698%
M13361–390C$22,835.991.6%C$1,424,140.35100%
M14391–420C$5,202.380.4%C$1,429,342.73100%

Line Items

14 itemsiDetailed work items grouped by category with quantities, unit prices, and resource breakdown
▼Earthwork 1 items C$2,161.89
#CodeDescriptionQtyUnitUnit PriceTotal
1KAME_KAME_KAKAME_KAMECON
Soil excavation using single-bucket electric dragline excavators with a bucket capacity of: 15 m3, soil group 1
216.01000 m3C$7.91C$2,161.89
C$1,709.00 +15% C$256.35 +10% C$196.54
Labor Materials Equipment
TypeResourceQtyUnitUnit PriceCost
Worker Category 10.33hrsC$26.31C$8.75
Bulldozers, power 79 kW (108 hp)0.35Machine hoursC$52.02C$17.98
Personnel: 1 person-hour/machine-hour0.35Machine hoursC$19.19C$6.63
Single-bucket electric walking excavators with dragline working equipment, bucket capacity 15 m30.35Machine hoursC$4,867.69C$1,682.27
Personnel: 3 man-hours/machine-hours0.35Machine hoursC$71.88C$24.84
▼Foundation 1 items C$79,822.47
#CodeDescriptionQtyUnitUnit PriceTotal
2KANE_KAME_KAKAME_KASA
Construction of reinforced concrete foundations for general use under columns with a volume of: up to 3 m3
126.0100 m3C$500.80C$79,822.47
C$63,100.76 +15% C$9,465.11 +10% C$7,256.59
Labor Materials Equipment
TypeResourceQtyUnitUnit PriceCost
Average workload TO.KA798.84hrsC$23.91C$19,098.73
Water0.55m3C$1.82C$1.01
Electricity2.63kWhC$0.30C$0.79
Polyethylene film, thickness KA.MESA mm192.78m2C$0.61C$118.26
Construction nails0.03tC$3,701.85C$93.29
Quicklime, grade I0.04tC$353.95C$13.38
Light wire, diameter ME.ME mm0.01tC$3,770.49C$47.51
Hot-rolled wire in coils, diameter NE.TO-NE.SA mm0.05tC$2,559.06C$128.98
Edged softwood boards, natural moisture content, length RI-NE.SA m, width 100-250 mm, thickness 44-50 mm, grade III0.93m3C$585.09C$545.54
Tower cranes, lifting capacity 8 t38.24Machine hoursC$41.62C$1,591.55
Personnel: 1 person-hour/machine-hour38.24Machine hoursC$19.19C$733.82
Mobile cranes, lifting capacity 16 t0.78Machine hoursC$66.30C$51.79
Personnel: 1 person-hour/machine-hour0.78Machine hoursC$19.19C$14.99
Universal front-end pneumatic wheeled single-bucket loaders, nominal capacity of main bucket RI.NE m3, load capacity 5 t0.32Machine hoursC$68.80C$21.67
Personnel: 1 person-hour/machine-hour0.32Machine hoursC$16.42C$5.17
Deep vibrators35.10Machine hoursC$0.55C$19.33
Flatbed trucks, load capacity up to 5 tons1.13Machine hoursC$25.75C$29.20
Personnel: 1 person-hour/machine-hour1.13Machine hoursC$14.28C$16.20
▼Structure 1 items C$57,016.05
#CodeDescriptionQtyUnitUnit PriceTotal
3KANE_KAME_KAKAME_KASA
Construction of reinforced concrete foundations for general use under columns with a volume of: up to 3 m3
90.0100 m3C$500.80C$57,016.05
C$45,071.98 +15% C$6,760.80 +10% C$5,183.28
Labor Materials Equipment
TypeResourceQtyUnitUnit PriceCost
Average workload TO.KA570.60hrsC$23.91C$13,641.95
Water0.40m3C$1.82C$0.72
Electricity1.88kWhC$0.30C$0.56
Polyethylene film, thickness KA.MESA mm137.70m2C$0.61C$84.47
Construction nails0.02tC$3,701.85C$66.63
Quicklime, grade I0.03tC$353.95C$9.56
Light wire, diameter ME.ME mm0.01tC$3,770.49C$33.93
Hot-rolled wire in coils, diameter NE.TO-NE.SA mm0.04tC$2,559.06C$92.13
Edged softwood boards, natural moisture content, length RI-NE.SA m, width 100-250 mm, thickness 44-50 mm, grade III0.67m3C$585.09C$389.67
Tower cranes, lifting capacity 8 t27.32Machine hoursC$41.62C$1,136.82
Personnel: 1 person-hour/machine-hour27.32Machine hoursC$19.19C$524.16
Mobile cranes, lifting capacity 16 t0.56Machine hoursC$66.30C$36.99
Personnel: 1 person-hour/machine-hour0.56Machine hoursC$19.19C$10.71
Universal front-end pneumatic wheeled single-bucket loaders, nominal capacity of main bucket RI.NE m3, load capacity 5 t0.23Machine hoursC$68.80C$15.48
Personnel: 1 person-hour/machine-hour0.23Machine hoursC$16.42C$3.69
Deep vibrators25.07Machine hoursC$0.55C$13.80
Flatbed trucks, load capacity up to 5 tons0.81Machine hoursC$25.75C$20.86
Personnel: 1 person-hour/machine-hour0.81Machine hoursC$14.28C$11.57
▼External Walls 1 items C$291,797.51
#CodeDescriptionQtyUnitUnit PriceTotal
4KAVO_KARI_KAKASA_KAMECON
Laying reinforced brick walls in areas with seismicity of 7-8 points: external simple with a floor height of up to 4 m
378.0m3C$610.24C$291,797.51
C$230,669.97 +15% C$34,600.50 +10% C$26,527.05
Labor Materials Equipment
TypeResourceQtyUnitUnit PriceCost
Average workload TO.KA2,279.34hrsC$23.91C$54,494.64
Water75.60m3C$1.82C$137.94
Hot-rolled smooth reinforcing steel, class A-I, diameter 6-22 mm0.00tC$2,072.50C$0.00
Edged coniferous timber (spruce, pine), natural moisture content, length RI-NE.SA m, width 20-90 mm, thickness 20-90 mm, grade IV0.00m3C$507.04C$0.00
Tower cranes, lifting capacity 8 t151.20Machine hoursC$41.62C$6,292.78
Personnel: 1 person-hour/machine-hour151.20Machine hoursC$19.19C$2,901.43
▼Internal Walls 1 items C$130,643.10
#CodeDescriptionQtyUnitUnit PriceTotal
5KAVO_KARI_KAKARI_KAMECON
Laying brick partitions: reinforced with a thickness of 1/4 brick with a floor height of up to 4 m
1,620.0100 m2C$63.75C$130,643.10
C$103,275.18 +15% C$15,491.28 +10% C$11,876.65
Labor Materials Equipment
TypeResourceQtyUnitUnit PriceCost
Average workload TO.KA2,008.80hrsC$23.91C$48,026.55
Water1.62m3C$1.82C$2.96
Forgings from square billets, weight ME.SA-PU.SA kg0.00tC$3,370.94C$0.00
Lightweight welded reinforcement mesh made of reinforcement wire class Vp-1, type 40.97tC$2,701.39C$2,625.75
Edged coniferous timber (spruce, pine), natural moisture content, length RI-NE.SA m, width 20-90 mm, thickness 20-90 mm, grade IV0.16m3C$507.04C$82.14
Tower cranes, lifting capacity 8 t34.83Machine hoursC$41.62C$1,449.59
Personnel: 1 person-hour/machine-hour34.83Machine hoursC$19.19C$668.37
Flatbed trucks, load capacity up to 5 tons1.62Machine hoursC$25.75C$41.71
Personnel: 1 person-hour/machine-hour1.62Machine hoursC$14.28C$23.14
▼Roofing 1 items C$2,388.84
#CodeDescriptionQtyUnitUnit PriceTotal
6MERI_KAME_KAKARI_MENE
Construction of flat roofs using polymer mastic based on butyl rubber: priming of prepared bases for waterproofing roofi
630.0100 m2C$3.00C$2,388.84
C$1,888.41 +15% C$283.26 +10% C$217.17
Labor Materials Equipment
TypeResourceQtyUnitUnit PriceCost
Average work load RI.DX20.10hrsC$23.70C$476.37
Petroleum solvent gasoline Nepras-S 50/1700.06tC$5,595.69C$352.53
Flatbed trucks, load capacity up to 5 tons0.19Machine hoursC$25.75C$4.87
Personnel: 1 person-hour/machine-hour0.19Machine hoursC$14.28C$2.70
▼Windows 1 items C$178,472.37
#CodeDescriptionQtyUnitUnit PriceTotal
7MEKA_KAME_KARILI_KAME
Installation of window blocks with frames in residential and public buildings: paired in stone walls with an opening are
324.0100 m2C$435.45C$178,472.37
C$141,084.87 +15% C$21,162.73 +10% C$16,224.76
Labor Materials Equipment
TypeResourceQtyUnitUnit PriceCost
Worker Category 1530.16hrsC$25.12C$13,317.23
Electricity30.33kWhC$0.30C$9.06
Polyurethane foam sealant (assembly foam), universal, volume 1000 ml168.16pcsC$12.10C$2,033.95
Construction nails0.00tC$3,701.85C$0.00
Self-tapping steel screws, oxidized, with countersunk head and cross-shaped slot, pointed, diameter 8 mm, length 100 mm0.03tC$5,518.90C$178.81
Plaster mortar, lime, M2000.45m3C$214.10C$97.12
Tower cranes, lifting capacity 8 t17.20Machine hoursC$41.62C$716.03
Personnel: 1 person-hour/machine-hour17.20Machine hoursC$19.19C$330.14
Flatbed trucks, load capacity up to 5 tons7.19Machine hoursC$25.75C$185.20
Personnel: 1 person-hour/machine-hour7.19Machine hoursC$14.28C$102.73
▼Doors 1 items C$28,209.32
#CodeDescriptionQtyUnitUnit PriceTotal
8MEKA_KAME_KAMENE_KARI
Installation of partitions made of PVC profiles: with door block
72.0100 m2C$309.72C$28,209.32
C$22,299.86 +15% C$3,344.98 +10% C$2,564.48
Labor Materials Equipment
TypeResourceQtyUnitUnit PriceCost
Worker Category 189.88hrsC$24.51C$2,202.52
Electricity4.33kWhC$0.30C$1.30
Polyurethane foam sealant (assembly foam), universal, volume 1000 ml0.72pcsC$12.10C$8.71
Steel frame mounting dowels, diameter 10 mm, length 130 (132) mm25.4910 pcsC$4.88C$124.28
Self-tapping steel screws with countersunk head and cross-shaped slot, drill tip, diameter PU.VO mm, length 80 mm0.00tC$16,804.19C$0.00
Mobile cranes, lifting capacity 16 t0.48Machine hoursC$66.30C$31.50
Personnel: 1 person-hour/machine-hour0.48Machine hoursC$19.19C$9.12
Flatbed trucks, load capacity up to 5 tons0.39Machine hoursC$25.75C$10.01
Personnel: 1 person-hour/machine-hour0.39Machine hoursC$14.28C$5.55
▼Flooring 1 items C$194,322.71
#CodeDescriptionQtyUnitUnit PriceTotal
9MEME_KAME_KARIKA_KAMEInstallation of xylolite pavements: 15 mm thick1,530.0100 m2C$100.40C$194,322.71
C$153,614.80 +15% C$23,042.22 +10% C$17,665.70
Labor Materials Equipment
TypeResourceQtyUnitUnit PriceCost
Worker Category 11,229.66hrsC$24.51C$30,133.80
Coal tar oil for wood impregnation0.00tC$1,628.90C$0.00
Technical magnesium chloride (bischofite)7.19tC$1,532.05C$11,016.98
Water24.48m3C$1.82C$44.67
Oxidized polyethylene wax15.30kgC$15.95C$244.02
Wood shavings23.41m3C$74.32C$1,739.75
Carborundum3.06kgC$10.27C$31.43
Polyvinyl butyral powder paint for corrosion protection and decorative properties of surfaces P-VL-212, colored1.22tC$12,845.02C$15,722.31
Fused periclase powder, grade PPL-9512.55tC$7,531.58C$94,491.20
Single-mast hoists, load capacity up to 500 kg, lifting height 45 m6.12Machine hoursC$2.38C$14.54
Personnel: 1 person-hour/machine-hour6.12Machine hoursC$12.69C$77.68
Mobile mortar mixers, drum capacity 250 l23.71Machine hoursC$0.47C$11.19
Personnel: 1 person-hour/machine-hour23.71Machine hoursC$12.69C$301.02
Flatbed trucks, load capacity up to 5 tons8.87Machine hoursC$25.75C$228.49
Personnel: 1 person-hour/machine-hour8.87Machine hoursC$14.28C$126.74
Mosaic grinding machines24.48Machine hoursC$0.71C$17.33
▼Plastering 1 items C$30,582.73
#CodeDescriptionQtyUnitUnit PriceTotal
10NEME_KAME_KAKAME_KAME
Continuous leveling of wall plaster with cement-lime mortar with a thickness of: up to 5 mm
3,060.0100 m2C$7.90C$30,582.73
C$24,176.07 +15% C$3,626.41 +10% C$2,780.25
Labor Materials Equipment
TypeResourceQtyUnitUnit PriceCost
Worker Category 1905.15hrsC$23.31C$21,099.34
Water10.71m3C$1.82C$19.54
Plaster mortar, lime, M10016.22m3C$187.29C$3,037.39
Single-mast hoists, load capacity up to 500 kg, lifting height 45 m9.79Machine hoursC$2.38C$23.26
Personnel: 1 person-hour/machine-hour9.79Machine hoursC$12.69C$124.29
▼Painting 1 items C$14,863.95
#CodeDescriptionQtyUnitUnit PriceTotal
11NERI_KAME_KAKAME_KAMEPainting with adhesive compounds: simple3,060.0100 m2C$3.84C$14,863.95
C$11,750.15 +15% C$1,762.52 +10% C$1,351.27
Labor Materials Equipment
TypeResourceQtyUnitUnit PriceCost
Worker Category 1419.22hrsC$23.11C$9,686.46
Copper sulfate, grade A0.00tC$10,125.61C$0.00
Water3.67m3C$1.82C$6.70
Hard laundry soap 72%52.02pcsC$1.12C$58.09
Natural ground chalk0.61tC$218.11C$133.49
Pumice7.34kgC$151.22C$1,110.55
Two-layer sanding paper with a grain size of 40-252.45m2C$32.06C$78.47
Colored cotton rags0.31kgC$3.76C$1.15
Glue for glass wallpaper26.62kgC$3.02C$80.40
Single-mast hoists, load capacity up to 500 kg, lifting height 45 m3.06Machine hoursC$2.38C$7.27
Personnel: 1 person-hour/machine-hour3.06Machine hoursC$12.69C$38.84
Flatbed trucks, load capacity up to 5 tons1.53Machine hoursC$25.75C$39.40
Personnel: 1 person-hour/machine-hour1.53Machine hoursC$14.28C$21.85
▼Electrical 1 items C$30,306.95
#CodeDescriptionQtyUnitUnit PriceTotal
12KAVO_KARI_TODXKA_KAMEmPlastic boxes: up to 40 mm wide5,400.0100 mC$4.44C$30,306.95
C$23,958.07 +15% C$3,593.71 +10% C$2,755.18
Labor Materials Equipment
TypeResourceQtyUnitUnit PriceCost
Worker Category 1879.66hrsC$26.63C$23,424.64
Electricity354.78kWhC$0.30C$106.03
Polyethylene expansion dowels, diameter 6 mm, length 40 mm10.801000 pcsC$13.75C$148.47
Self-tapping steel screws with a semi-circular head and a straight slot, pointed, diameter 4 mm, length 40 mm0.00tC$5,223.46C$0.00
Single-mast hoists, load capacity up to 500 kg, lifting height 45 m0.54Machine hoursC$2.38C$1.28
Personnel: 1 person-hour/machine-hour0.54Machine hoursC$12.69C$6.85
▼Plumbing 1 items C$14,981.60
#CodeDescriptionQtyUnitUnit PriceTotal
13MENE_KARI_KAKARI_KAME
Laying water supply pipelines made of galvanized steel water and gas pipes with a diameter of: 15 mm
1,260.0100 mC$9.40C$14,981.60
C$11,843.16 +15% C$1,776.47 +10% C$1,361.96
Labor Materials Equipment
TypeResourceQtyUnitUnit PriceCost
Worker Category 1424.62hrsC$26.93C$11,434.19
Dissolved technical acetylene, grade B0.00tC$30,391.72C$0.00
Technical gaseous oxygen4.28m3C$6.64C$28.44
Water3.15m3C$1.82C$5.75
Linen thread0.63kgC$7.74C$4.88
Uncoated welding wire SV-08G2S, diameter 4 mm0.00tC$4,833.79C$0.00
Unslaked chlorinated lime for construction, grade A0.00kgC$3.98C$0.00
MA-0115 oil paint, mummy, iron minium5.54kgC$5.16C$28.60
Combined drying oil for diluting thick oil paints and for exterior work on wooden surfaces0.00tC$3,144.81C$0.00
Tower cranes, lifting capacity 8 t1.01Machine hoursC$41.62C$41.95
Personnel: 1 person-hour/machine-hour1.01Machine hoursC$19.19C$19.34
Mobile cranes, lifting capacity 16 t0.76Machine hoursC$66.30C$50.12
Personnel: 1 person-hour/machine-hour0.76Machine hoursC$19.19C$14.51
Flatbed trucks, load capacity up to 5 tons5.04Machine hoursC$25.75C$129.77
Personnel: 1 person-hour/machine-hour5.04Machine hoursC$14.28C$71.98
Gas welding and cutting equipment14.99Machine hoursC$0.22C$3.30
▼HVAC 1 items C$373,773.24
#CodeDescriptionQtyUnitUnit PriceTotal
14RIKA_KAME_KAKAME_KAME
Laying air ducts made of galvanized sheet steel and aluminum class H (normal) with a thickness of: KA.SA mm, diameter up
1,800.0100 m2C$164.15C$373,773.24
C$295,472.92 +15% C$44,320.94 +10% C$33,979.39
Labor Materials Equipment
TypeResourceQtyUnitUnit PriceCost
Worker Category 12,772.00hrsC$24.51C$67,930.03
General-purpose asbestos cord, diameter 8-10 mm0.00tC$24,054.17C$0.00
Welding electrodes for welding low-alloy and carbon steels UONI 13/45, E42A, diameter 4-5 mm8.10kgC$6.15C$49.82
Bolts with nuts and washers for construction270.00kgC$8.62C$2,327.26
Rubber gaskets (pressed technical plate)144.00kgC$9.58C$1,379.37
Non-hardening synthetic rubber sealing mastic for filling and sealing joints in greenhouse glass enclosures0.00tC$4,142.39C$0.00
Mobile cranes, lifting capacity 16 t8.64Machine hoursC$66.30C$572.81
Personnel: 1 person-hour/machine-hour8.64Machine hoursC$19.19C$165.80
Electric winches with a pulling force of MEDX.NERI kN (2 t)6.12Machine hoursC$0.71C$4.33
Flatbed trucks, load capacity up to 5 tons12.96Machine hoursC$25.75C$333.70
Personnel: 1 person-hour/machine-hour12.96Machine hoursC$14.28C$185.09
Welding machines for manual arc welding, welding current up to 350 A27.72Machine hoursC$1.43C$39.68
Cost Summary
Direct Cost79%C$1,129,915.20
Overhead+15%C$169,487.28
Profit+10%C$129,940.27
Grand TotalC$1,429,342.75

Resource Summary

65 resourcesiAggregated materials, labor, and equipment needed for the entire project
Materials to Order (47)
ResourceUnitQtyUnit PriceCost
Fused periclase powder, grade PPL-95t12.55C$7,531.58C$94,491.20
Polyvinyl butyral powder paint for corrosion protection and decorativet1.22C$12,845.02C$15,722.31
Technical magnesium chloride (bischofite)t7.19C$1,532.05C$11,016.98
Plaster mortar, lime, M100m316.22C$187.29C$3,037.39
Lightweight welded reinforcement mesh made of reinforcement wire classt0.97C$2,701.39C$2,625.75
Bolts with nuts and washers for constructionkg270.00C$8.62C$2,327.26
Polyurethane foam sealant (assembly foam), universal, volume 1000 mlpcs168.88C$12.10C$2,042.66
Wood shavingsm323.41C$74.32C$1,739.75
Rubber gaskets (pressed technical plate)kg144.00C$9.58C$1,379.37
Pumicekg7.34C$151.22C$1,110.55
Edged softwood boards, natural moisture content, length RI-NE.SA m, wim31.60C$585.09C$935.21
Petroleum solvent gasoline Nepras-S 50/170t0.06C$5,595.71C$352.53
Oxidized polyethylene waxkg15.30C$15.95C$244.02
Hot-rolled wire in coils, diameter NE.TO-NE.SA mmt0.09C$2,559.14C$221.11
Waterm3120.18C$1.82C$219.29
Polyethylene film, thickness KA.MESA mmm2330.48C$0.61C$202.73
Self-tapping steel screws, oxidized, with countersunk head and cross-st0.03C$5,518.83C$178.81
Construction nailst0.04C$3,701.85C$159.92
Polyethylene expansion dowels, diameter 6 mm, length 40 mm1000 pcs10.80C$13.75C$148.47
Natural ground chalkt0.61C$218.12C$133.49
Steel frame mounting dowels, diameter 10 mm, length 130 (132) mm10 pcs25.49C$4.88C$124.28
ElectricitykWh393.96C$0.30C$117.74
Plaster mortar, lime, M200m30.45C$214.11C$97.12
Edged coniferous timber (spruce, pine), natural moisture content, lengm30.16C$507.04C$82.14
Light wire, diameter ME.ME mmt0.02C$3,770.37C$81.44
Glue for glass wallpaperkg26.62C$3.02C$80.40
Two-layer sanding paper with a grain size of 40-25m22.45C$32.05C$78.47
Hard laundry soap 72%pcs52.02C$1.12C$58.09
Welding electrodes for welding low-alloy and carbon steels UONI 13/45,kg8.10C$6.15C$49.82
Carborundumkg3.06C$10.27C$31.43
Grand TotalC$139,175.74
Labor Requirements (5)
ResourceUnitQtyUnit PriceCost
Worker Category 1hrs7,250.68C$24.72C$179,236.96
Average workload TO.KAhrs5,657.58C$23.91C$135,261.87
Personnel: 1 person-hour/machine-hourMachine hours364.86C$17.88C$6,524.11
Average work load RI.DXhrs20.10C$23.70C$476.37
Personnel: 3 man-hours/machine-hoursMachine hours0.35C$71.88C$24.84
Grand TotalC$321,524.15
Equipment Requirements (13)
ResourceUnitQtyUnit PriceCost
Tower cranes, lifting capacity 8 tMachine hours269.80C$41.62C$11,228.72
Single-bucket electric walking excavators with dragline working equipmMachine hours0.35C$4,867.68C$1,682.27
Flatbed trucks, load capacity up to 5 tonsMachine hours39.74C$25.75C$1,023.21
Mobile cranes, lifting capacity 16 tMachine hours11.21C$66.30C$743.21
Single-mast hoists, load capacity up to 500 kg, lifting height 45 mMachine hours19.51C$2.38C$46.35
Welding machines for manual arc welding, welding current up to 350 AMachine hours27.72C$1.43C$39.68
Universal front-end pneumatic wheeled single-bucket loaders, nominal cMachine hours0.54C$68.80C$37.15
Deep vibratorsMachine hours60.18C$0.55C$33.13
Bulldozers, power 79 kW (108 hp)Machine hours0.35C$52.03C$17.98
Mosaic grinding machinesMachine hours24.48C$0.71C$17.33
Mobile mortar mixers, drum capacity 250 lMachine hours23.71C$0.47C$11.19
Electric winches with a pulling force of MEDX.NERI kN (2 t)Machine hours6.12C$0.71C$4.33
Gas welding and cutting equipmentMachine hours14.99C$0.22C$3.30
Grand TotalC$14,887.85

Material Alternatives

iAlternative materials with approximate price difference. Percentages show material cost change relative to the current specification.
Installation of window blocks with frames in residentiaC$126,625.10
Triple-glazed PVC+35%Aluminum frame+25%Timber frame+45%
Construction of reinforced concrete foundations for genC$41,973.60
High-strength concrete+20%Lightweight concrete+15%Recycled aggregate-10%
Construction of reinforced concrete foundations for genC$29,981.14
High-strength concrete+20%Lightweight concrete+15%Recycled aggregate-10%
Installation of xylolite pavements: 15 mm thickC$3,325.08
Vinyl/LVT-35%Natural stone+100%Polished concrete-30%
Construction of flat roofs using polymer mastic based oC$1,327.53
Clay/concrete tiles+40%Green roof system+120%EPDM membrane-20%
Painting with adhesive compounds: simpleC$470.76
Premium paint+40%Ceramic coating+80%Eco-friendly paint+20%

Risk Analysis

Monte Carlo · 10KiMonte Carlo simulation (10,000 iterations) showing completion probability at different confidence levels
465days
P50
50% probability the project finishes within this timeframe. Median scenario based on Monte Carlo simulation.
487days
P80
80% probability — recommended planning basis. Accounts for common delays and uncertainties.
507days
P95
95% probability — conservative estimate. Covers nearly all risk scenarios including severe delays.
+67days
Buffer
Recommended time buffer to add to the deterministic schedule. Covers typical construction uncertainties.
Base Cost (P50)
C$1,429,342.75
Budget (P80)
C$1,500,238.15
Maximum (P95)
C$1,568,179.58
Contingency
+5.0%
Recommended cost reserve based on schedule risk analysis — C$70,895.40
Recommended Budget: C$1,500,238.15
Deterministic 420 days
P50 465 days
P80 487 days
P95 507 days
P50 P80 P95
Based on Monte Carlo simulation with 10,000 iterations using PERT distribution for each phase duration.
Peak: 23
13,294 man-hours
14 crit. phases

Cost Risk Analysis

Monte Carlo · 5,000 iterations

Monte Carlo simulation of construction cost uncertainty

Cost Percentiles

C$1,773,809.67
P10
C$1,801,170.23
P25
C$1,835,470.83
P50
C$1,880,049.25
P80
C$1,902,847.01
P90

Cumulative Probability (S-Curve)

+2.4%
Recommended Contingency (P80 − P50)
Reserve to cover likely cost overruns with 80% confidence — C$44,578.42

Top Risk Drivers

CategoryWork ItemRisk Share
HVACLaying air ducts made of galvanized sheet steel an
60.3%
External WallsLaying reinforced brick walls in areas with seismi
19.7%
WindowsInstallation of window blocks with frames in resid
7.2%
FlooringInstallation of xylolite pavements: 15 mm thick
5.2%
Internal WallsLaying brick partitions: reinforced with a thickne
3.8%
FoundationConstruction of reinforced concrete foundations fo
2.2%
StructureConstruction of reinforced concrete foundations fo
0.7%
ElectricalPlastic boxes: up to 40 mm wide
0.4%

Sensitivity Analysis

±10%iImpact of ±10% change in each cost component on the total project cost

This tornado chart shows how a ±10% change in each cost category affects the total estimate. The wider the bar, the greater the cost impact — helping identify which cost drivers carry the most risk and where tighter cost control may be needed.

Decrease ← → IncreaseImpact
Labor40% of total
±C$56,738.80±4.0%
Materials39% of total
±C$55,091.24±3.9%
Overhead12% of total
±C$16,948.73±1.2%
Profit9% of total
±C$12,994.03±0.9%
Equipment1% of total
±C$1,161.48±0.1%

Cost Summary

iFinal cost breakdown with direct costs, overhead, profit, and grand total
LaborC$567,388.0240%
MaterialsC$550,912.3938%
EquipmentC$11,614.791%
Direct CostC$1,129,915.20
OverheadC$169,487.2812%
ProfitC$129,940.279%
Grand TotalC$1,429,342.75100%
EUR equivalent€883.674,03
USD equivalent$1,032,573.11
GBP equivalent£769,264.76

Estimate Classification

AACE 18R-97

AACE International Recommended Practice 18R-97

3
ClassClass 3
Typical PurposeBudget Authorization
Expected Accuracy Range: -20% / +30%
Project Definition Level: 10–40%

Cost Benchmark

School · North America

Comparison of estimated cost/m² against market reference ranges

Low
1,800
▲ Typical
2,600
High
4,000
▼ Your Estimate
491 EUR/m²
Significantly below range · 0.19x ratio to typical

Methodology & Assumptions

iCalculation methodology, data sources, and key assumptions underlying this estimate
Data SourceDDC Pricing DB — English
Confidence Level50%
Overhead Rate15%
Profit Rate10%
Items Matched14
Assumptions
  • Costs adjusted by location-specific labor, material, and equipment factors
  • Exchange rates are offline reference rates and may differ from market rates
  • All amounts exclude VAT / sales tax
  • This estimate is for preliminary budgeting only — not a binding quotation
Included in Estimate
  • All labor, materials, and equipment per defined scope
  • Overhead and profit margins as specified
  • Location-adjusted pricing factors applied
Excluded from Estimate
  • VAT / sales tax
  • Permits, licenses, and legal fees
  • Temporary works and site facilities
  • Design and engineering fees
Prices current as of 2026-02-23 · No cost escalation or inflation adjustment applied
DDC Toolkit · Generated 2026-02-23 14:55 · This estimate is for preliminary budgeting purposes only.