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Bridge Estimating 405 Bobby.pdf · S.P. 713-38-0001 Doullut Canal Bridge Plaquemines Parish BID...
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Bridge Estimating 405 Why prices vary on the same item between projects
Transcript of Bridge Estimating 405 Bobby.pdf · S.P. 713-38-0001 Doullut Canal Bridge Plaquemines Parish BID...
Bridge Estimating 405Why prices vary on the same item
between projects
Item to be looked at
804-04-G Prestress Concrete Pile-24”
S.P. 713-38-0001Doullut Canal BridgePlaquemines Parish
BID ITEM-Alternate UNIT PLAN QUANTITY AMOUNT BID TOTAL BID804-01-F-1 PPC PILE-24" LF 4,856.00 $175.00 $849,798.37H.P.C.MATERIALS LABOR
DESCRIPTION UNIT QUANTITY PRICE AMOUNT | DESCRIPTION UNIT QUANTITY PRICE AMOUNT |
CONCRETE PILES | UNLOAD PILE LF 4856 $2.00 $9,712.00LF 4,856.00 $47.17 $229,057.52 | DRIVE PILE LF 4856 $15.00 $72,840.00
8 @ 143', 29 @ 128' | CUTOFF PILE LF 4856 $0.65 $3,156.40FUEL LF 4,856.00 $0.50 $2,428.00 | BUILD UP PILE LF 4856REPAIRS LF 4,856.00 $0.75 $3,642.00 | PRE DRILL LF 4856TEMPLET LF 4,856.00 $2.00 $9,712.00 | FALSEWORK LF 4856 $1.75 $8,498.00Pile Splices EA 37.00 $3,600.00 $133,200.00 |MISC. LF 4,856.00 $5.00 $24,280.00 |
|Material Freight Total | Drive Piles 60.00 $1,570.11 $94,206.40
Prestress Supplier A $47.17 $12.02 $59.19 |Prestress Supplier B $53.50 $12.90 $66.40 |Prestress Supplier C $53.28 $19.10 $72.38 | SUBTOTAL $19.40 $94,206.40
| O.H. 98.05% $19.02 $92,369.38 |
SUBTOTAL $82.85 $402,319.52 | TOTAL LABOR $38.42 $186,575.78 SALES TAX 7.00% $5.80 $28,162.37 |
|SUBTOTAL $88.65 $430,481.89 |
O.H. 15.00% $13.30 $64,572.28 | |
TOTAL MATERIALS $101.95 $495,054.17 | | EQUUIPMENT-SUBCONTRACTORS | | DESCRIPTION UNIT QUANTITY RATE AMOUNT | | TRUCKING LF 4856.00 $12.02 $58,369.12
SUMMARY UNIT PRICES TOTAL COST | | EQUIPMENT LF 4856.00 $5.00 $24,280.00
MATERIAL $101.95 $495,054.17 | LABOR $38.42 $186,575.78 | EQUIPMENT $18.72 $90,914.03 |
| SUBTOTAL $159.09 $772,543.98 | SUBTOTAL $82,649.12
PROFIT 10.00% $15.91 $77,254.40 | O.H.-TAXES 10.00% $8,264.91 |
TOTAL $175.00 $849,798.37 | TOTAL EQUIPMENT $18.72 $90,914.03 |
BID AMOUNT (TOTAL/BID QUANTITY) $175.00 PER UNIT
804-01-G Precast Concrete Pile-24”
Major Variable Cost Components
• Material Cost• Labor Cost• Equipment Cost• District (Site and Soil Conditions)• Is the project being inspected in house by
LaDOTD or is it being done by a consultant.
Material Cost Variables for 24” Concrete Piles
• Length • Freight• Weight• Bed Loss• Splice Required if Piles over 125’ and• Shipped by truck
24" Pile Delivery Cost Per Load
Min Max Per Load Cost Min Max Ft Length Ft Length Frt $/Ft Frt $/Ft
0.00 50.00 $632.63 $12.65
51.00 59.00 $542.63 $10.64 $9.20
60.00 72.00 $692.90 $11.55 $9.62
73.00 78.00 $787.90 $10.79 $10.10
79.00 89.00 $982.90 $12.44 $11.04
90.00 104.00 $1,593.40 $17.70 $15.32
105.00 125.00 $1,978.40 $18.84 $15.83
Labor Cost Variables
• Project Design• Batter Piles or Plumb Piles• Davis Bacon Rates• Workers Compensation Insurance Rates• Project Location• Per Diem Required ?• Travel Time ?
Davis-Bacon Wage Rates
General Decision-Area Job Classification Base Rate Fringe Total Total Total BasedRegular Overtime 10 Hour Day
LA20080007-Lafourche to EBR Crane Operator $14.82 $14.82 $22.23 $163.02LA20080012-Rural Parishes Crane Operator $13.63 $13.63 $20.45 $149.93LA20080013-N.W. La Parishes Crane Operator $14.38 $14.38 $21.57 $158.18LA20080014-S.E. La Parishes Crane Operator $17.20 $3.30 $20.50 $29.10 $222.20
LA20080007-Lafourche to EBR Piledriverman $13.97 $13.97 $20.96 $153.67LA20080012-Rural Parishes Piledriverman $11.87 $11.87 $17.81 $130.57LA20080013-N.W. La Parishes Piledriverman $14.75 $14.75 $22.13 $162.25LA20080014-S.E. La Parishes Piledriverman $19.92 $5.00 $24.92 $34.88 $269.12
24" Pile Driving Crew Cost Per DayDaily Field Daily Field
Cost CostLA20080012 LA20080014
Foreman $300.00 $300.00
Crane Operator $149.93 $222.20
Piledrivermen-5 required $652.85 $1,345.60
Total Daily Field Labor Cost $1,102.78 $1,867.80
Workers Compensation Insurance Rates
Piledriving Rate Per $100.00 of Payroll
Company Normal USL & HLand Marine
LWCC-Basic Tier Rate $26.72 $55.85
LUBA-Manual Rate $29.67 $68.54
Direct Labor Burden per $100.00 of Payroll for Piledriving
WATER WORK LAND & SHOPUSL&H Exposure State Law
FEDERAL UNEMPLOYMENT TAX 0.80 0.80STATE UNEMPLOYMENT TAX 3.07 3.07FICA 7.65 7.65GENERAL PUBLIC LIABILITY 5.16 5.16AUTO LIABILITY 1.32 1.32EXCESS LIABILITY 2.43 2.43WORKERS COMPENSATION 55.85 26.72401k & HEALTH 6.75 6.75
GRAND TOTAL 83.03 53.90
General Overhead Cost for Labor 15.00 15.00 Home office overhead, per diem, misc items.
Total Labor Overhead 98.03 68.90
Equipment Cost Variables for 24” Concrete Piles
• Length of Piles• Handling needs• Single Lift• Double Lift• Site Conditions• Accessibility of Delivery• Stability of Ground• Marine Requirements
Daily Equipment Cost for 24" Concrete PilesEquipment Sized for 45' working radius
Pile Length Weight Total Pile Crane Daily Hammer Daily Total Daily Per Foot Weight LBS Size Oper. Cost Size Oper. Cost Equipment
70.00 600.00 42,000.00 110 ton $1,400.00 D-32 $540.00 $1,940.00
120.00 600.00 72,000.00 165 ton $2,200.00 D-46 $720.00 $2,920.00
Maritime Cost Barge Size
Crane Deck Barge & Push Boat 48'x110' $500.00
Soil Condition Effect on DrivingAssume 60 feet of driving required. Hammer Speed 50 blows/minute
District Depth of Driving Average Blow Count Total Blows Hammer Time under Location Required per Foot of Driving Speed bl/min Hammer-Hours
62 60 125 7500 50 2.5
02 60 25 1500 50 0.5
Examples of Effect of Variables in Pricing
• Job A-District 62• Stiff Clays with Sand layers-125 bl/ft• 63 pcs 24” Concrete Piles @ 70’ Long• 4420 Lf Total• Stable Site
Examples of Effect of Variables in Pricing
• Job B-District 02• Soft Clays with minor sand layers• 35 pcs 24” Concrete Piles @ 126’• 4420 LF Total• Working off Barge required• (USL & H Exposure)
District 62 Pile Bid
BID ITEM UNIT QUANTITY AMOUNT BID TOTAL BID04-01-F-1 PPC PILE-24" LF 4,410.00 $122.88 $541,885.09
MATERIALS LABOR
DESCRIPTION UNIT QUANTITY PRICE AMOUNT | DESCRIPTION UNIT QUANTITY PRICE AMOUNT |
CONCRETE PILES | UNLOAD PILE LF 4410 $1.00 $4,410.0063 piles @ 70 ft LF 4,410.00 $47.17 $208,019.70 | DRIVE PILE LF 4410 $5.75 $25,357.50
| CUTOFF PILE LF 4410 $1.00 $4,410.00FUEL LF 4,410.00 $0.50 $2,205.00 | BUILD UP PILE LF 4410REPAIRS LF 4,410.00 $0.50 $2,205.00 | PRE DRILL LF 4410TEMPLET LF 4,410.00 $2.00 $8,820.00 | FALSEWORK LF 4410 $1.00 $4,410.00Pile Splices EA $3,600.00 |MISC. LF 4,410.00 $5.00 $22,050.00 | Average 2 Piles per Day
|Supplier Quotes Material Freight Total | Drive Piles 35.00 $1,102.78 $38,597.30Pre-Caster A $47.17 $9.85 $57.02 |Pre-Caster B $53.50 $12.90 $66.40 |Pre-Caster C $53.28 $19.10 $72.38 | SUBTOTAL $8.75 $38,587.50
| O.H. 68.90% $6.03 $26,586.79 | TOTAL LABOR $14.78 $65,174.29
SUBTOTAL $55.17 $243,299.70 | SALES TAX 9.00% $4.97 $21,896.97 |
|SUBTOTAL $60.14 $265,196.67 |
O.H. 15.00% $9.02 $39,779.50 | |
TOTAL MATERIALS $69.16 $304,976.17 | | EQ UIPMENT-SUBCONT EQUIPMENT | | DESCRIPTION UNIT QUANTITY RATE AMOUNT | | TRUCKING LF 4410.00 $9.85 $43,438.50
SUMMARY UNIT PRICES TOTAL COST | | EQUIPMENT Days 35.00 $1,940.00 $67,900.00
MATERIAL $69.16 $304,976.17 | LABOR $14.78 $65,174.29 | EQUIPMENT $27.77 $122,472.35 |
| SUBTOTAL $111.71 $492,622.81 | SUBTOTAL $111,338.50
PROFIT 10.00% $11.17 $49,262.28 | O.H.-TAXES 10.00% $11,133.85 |
TOTAL $122.88 $541,885.09 | TOTAL EQUIPMENT $27.77 $122,472.35 |
BID AMOUNT (TOTAL/BID QUANTITY) $122.88 PER UNIT
District 02 Pile Bid
BID ITEM UNIT QUANTITY AMOUNT BID TOTAL BID804-01-F-1 PPC PILE-24" LF 4,410.00 $192.90 $850,703.01
MATERIALS LABOR
DESCRIPTION UNIT QUANTITY PRICE AMOUNT | DESCRIPTION UNIT QUANTITY PRICE AMOUNT |
CONCRETE PILES | UNLOAD PILE LF 4410 $1.00 $4,410.0035 piles @ 126 ft LF 4,410.00 $47.17 $208,019.70 | DRIVE PILE LF 4410 $11.00 $48,510.00
| CUTOFF PILE LF 4410 $1.00 $4,410.00FUEL LF 4,410.00 $0.50 $2,205.00 | BUILD UP PILE LF 4410REPAIRS LF 4,410.00 $0.50 $2,205.00 | PRE DRILL LF 4410TEMPLET LF 4,410.00 $2.00 $8,820.00 | FALSEWORK LF 4410 $2.00 $8,820.00Pile Splices EA 35.00 $3,600.00 $126,000.00 |MISC. LF 4,410.00 $5.00 $22,050.00 | Average 1 Piles per Day
|Supplier Quotes Material Freight Total | Drive Piles 35.00 $1,867.80 $65,373.00Pre-Caster A $47.17 $9.85 $57.02 |Pre-Caster B $53.50 $12.90 $66.40 |Pre-Caster C $53.28 $19.10 $72.38 | SUBTOTAL $15.00 $66,150.00
| O.H. 98.03% $14.70 $64,846.85 | TOTAL LABOR $29.70 $130,996.85
SUBTOTAL $83.74 $369,299.70 | SALES TAX 9.00% $7.54 $33,236.97 |
|SUBTOTAL $91.28 $402,536.67 |
O.H. 15.00% $13.69 $60,380.50 | |
TOTAL MATERIALS $104.97 $462,917.17 | | EQUUIPMENT-SUBCONT EQUIPMENT | | DESCRIPTION UNIT QUANTITY RATE AMOUNT | | TRUCKING LF 4410.00 $9.85 $43,438.50
SUMMARY UNIT PRICES TOTAL COST | | EQUIPMENT Days 35.00 $3,420.00 $119,700.00
MATERIAL $104.97 $462,917.17 | LABOR $29.70 $130,996.85 | EQUIPMENT $40.69 $179,452.35 |
| SUBTOTAL $175.37 $773,366.37 | SUBTOTAL $163,138.50
PROFIT 10.00% $17.54 $77,336.64 | O.H.-TAXES 10.00% $16,313.85 |
TOTAL $192.90 $850,703.01 | TOTAL EQUIPMENT $40.69 $179,452.35 |
BID AMOUNT (TOTAL/BID QUANTITY) $192.90 PER UNIT
QUESTIONS?
