Construction Estimating Prof R. V. Locurcio
Thermal & Moisture Protection
ProbDescription/RSMeans #CalculationsLHUnitsTot UnitsCost/unitMatl CostLabor/unitLabor CostTotal Cost ValueScore 9-1Bituminous Coating Wall = (24'+24'+50'+50') X (8') Footing = 16"/12" = 1.33' Corners = 1.33 x 1.33 x Total SF of insulation 1240 Gallons of 1 gal/75SF a.Rounding to full gallons & adding for waste b.Price (per HD-Henry $54 per 4.75gal x 2 coats 4.008$54.00$ Labor to install waterproofing (per SF) $0.45$558.16$ c.Transportation on 5% 0.05 $21.60 d.Tax on 6% 0.06 $25.92 e.Tax on 25% 0.25 $ Subtotal all raw costs $1, f.OH & 10% 0.10 $ g.Total price to procure & install waterprofing $1,294.94
ProbDescription/RSMeans #CalculationsLHUnitsTot UnitsCost/unitMatl Cost Labor/uni t Labor CostTotal Cost ValueScore 9-5Wall Insulation 9-6 Area of wall = 25' x 8' = 200 SF Rolls of insulation One roll = 32' long / 8' per wall section = 4 panels / roll Wall = 25 LF x 12" per LF = 300 in per wall Panels per wall = 300 / 16" spacing Use 19 panels 19 No of rolls = 19 / 4 panels per roll a.Area of wall 200 b.Use 5 rolls of insulation 5 Cost of insulation - HD Owens Corning R-13 per roll $13.95$ Labor per RS Means - per SF $0.20$40.00 c.Sales 6% $0.06$4.19 d.Labor 25% $0.25$10.00 $ e.Add 10% OH & P $0.10 $12.39 f.Total cost to purchase & install insulation $136.33
ProbDescription/RSMeans #CalculationsLHUnitsTot UnitsCost/unitMatl CostLabor/unitLabor CostTotal Cost 9-12Rigid Insulation & Stucco Rigid Insulation Wall A1 = 9' x 44' Wall A2 = 1' x 44' Wall B = 28' x 8' Wall C = (4.66 x 14)x Total SF of wall = Wall SF - Opening SF Subtract windows & doors Door = (80" x 72") / 144 = SF Windows = (4' x 4') x 4 ea = SF Total SF of wall = Wall SF - Opening SF Book Method (area method minus windows) a1.Sheets of 32SF per sheet Use 19 sheets (w/waste) 19.0 Material cost for x $0.94 = $30.08 per sheet $30.08$ Labor to install x 19 sf = 608 SF $0.37$ $ My Method (using 4' x 8' sheets) Wall A1 = 44' / 8' = 11sheets 11.0 Wall A2 = 44' / 8 pcs / sheet = 5.5 shets 5.5 Wall B = 28' / 4' = 7 sheets 7.0 Wall C = 14 / 4' = 3.5 sheets 3.5 a2.Total 32 x $0.94 = $30.08 per sheet 24 Material cost for x $0.94 = $30.08 per sheet $30.08$ Labor to install x 19 sf = 608 SF 608 $0.37$ $ Fiberglass mesh Home DepotFiberglass 36" x 100' per roll $39.99 Effective SF per roll = 33" x (1200")/144 = SF per roll Total rolls of mesh (use SF jncl wall + windows & doors) b.Use 3 complete rolls 3.0 Total SF of mesh 625 Cost of mesh $39.99 per 150' roll = $0.88/sf $0.88$ Labor for mesh per RSMeans $0.07$43.77$ Stucco Brown coat (Cementitious 582 SF $0.29$181.32$1.95$1,219.22$1, Finsh coa (Cementitious 582 SF $3.01$1,881.97$1.95$1,219.22$3, c.Total cost to stucco the wall insulation + mesh + stucco $3, $2,707.16$6,027.55
Cost using B2010 Exterior Walls B B2010 cost for stucco 16" OC $2.67 $7.50 Subtract cost of 2x4 studs & sheathing -$1.15 -$0.93 Cost of stucco only $1.52 $6.57 Add cost of rigid insulation (cell L39 = $761.42) $0.00 Add cost of fiberglass mesh (cell L54 = $140.33) $ Cost of stucco wall using B2010 $ $4,107.83$5, Total price of stucco ( Book version) c.Total cost of materials $3, Add 5% for transportation of materials 0.05 $ Add 6% sales tax on all materials 0.06 $ Subtotal for materials, transportation & tax $3, Subtotal for labor $5, Subtotal for project $9, Add 10% 0.1 $ Total cost for stucco wall; incl OH&P $10, Total price of stucco wall (B2010) version Total cost of materials $ Add 5% for transportation of materials 0.05 $29.70 Add 6% sales tax on all materials 0.06 $35.64 Subtotal for materials, transportation & tax $ Subtotal for labor $4, Subtotal for project $4, Add 10% 0.1 $6, Total cost for stucco wall; incl OH&P
ProbDescription/RSMeans #CalculationsLHUnitsTot UnitsCost/unitMatl Cost Labor/uni t Labor CostTotal Cost 9-16 Area A roof = 40' x 28' Area B roof = 12' x 6'12672 Plan roof area 1192 Rise factor for 4:12 = Total roof area = plan roof area x Shingles per square 100 Squares of shingles needed Cost of materials & labor for shingles using RSMeans $97.50$1,224.96$50.00$628.18$1, Add for starter shingles = 40'+28'+28'+28' = 124 x 1' / Add for starter shingles = 6' + 6' = 12 x 1' / Add for cap shingles = 12 x 1.33 = = 16 x 4 = Add for ridge shingles = 12' + 12' = 24' ridges 24 Total add for ridge caps & starter shingles = SQ 2242 Total squares of shingles = roof + starter & caps 15 Total cost of shingles using RSMeans $1, $740.18$2, Underlayment #15 per square $5.65$70.98$3.52$44.22$ Total cost of roof + underlayment per RSMeans $2, B B 3010 data: Organic, class C, lb/sq. (price/SF) $0.88$1,105.60$0.86$1,080.48$2, Add cost of underlayment # SF $ $2, Pricing per RSMeans is slightly less $2,298.75