Bridge Items - Work Activity Base Production Rates in USA

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Work Activity Base Production RatesItemUnitBase RateMetric Base Rate      Grade Items         MobilizationDays5       Clearing & GrubbingAcres31      Demo. Of BuildingsEach1       Asbestos Rem.(Res./Small Commercial)Days4       Asbestos Rem.(Large Commercial)Days10       Demo. Of Asphalt Pave.S.Y.15001254      Sawcut PavementL.F.800244      Remove Curb& GutterL.F.600183      Remove Exist. DI/Manhole & Assoc. PipeEach6       Temporary DetourDays6       Roadway ExcavationC.Y.20001529      Excavation Small/Irregular Area ProjectsC.Y.850650      Excavation - Large quantity projectsC.Y.50003823      Drainage Corrug.Metal 18"L.F.20562      Drainage Concrete Pipe 15"L.F.16851      Drainage Conc. Pipe 18"L.F.14444      Drainage Conc. Pipe (24" to 54")L.F.7222      Drainage Conc. Pipe (60 in. & greater)L.F.4815 Base Rate Adjustment Factors  Inlets/ManholesEach2       Minor Excavation (Drainage Structures)C.Y.250191      Box Culverts, Class A Conc.C.Y.2015FactorsAdjustment for Noted Conditions   Box Culverts, Cast in PlaceL.F.52LocationRural = 1.0Small City = 0.85Big City = .75  Box Culverts, PrecastL.F.206Traffic ConditionsLight = 1.0Moderate = .88High = .70  Retaining Walls, Cast in PlaceL.F.52ComplexityLow = 1.0Medium = .85High = .70  Major Retaining WallsS.F.21020Soil ConditionsGood = 1.0Fair = .85Poor = .65  Sub-grade StabilizationS.Y.80006689Quantity of WorkLarge = 1.0Medium = .88Small = .75  Aggregate BaseTons13601234      Aggregate Base Small/Irregular ProjectsTons680617      Drainage BlanketTons12001089Example Production Rate Calculation for Roadway Excavation:  Asphalt BaseTons11751066Conditions:  Rock Excavation around moderate traffic.   Asphalt IntermediateTons750680Calculation:  2000 C.Y. x .65 x .88 = 1144 C.Y. per day   Asphalt SurfaceTons500454      Milling/Flexible Pavement Planing (Max. 2")S.Y.30002509      Curb & Gutter (Machine Placed)L.F.800244Example Production Rate Calculation for Bridge Footing:   Curb & Gutter (Hand Placed)L.F.400122Conditions:  Rural Bridge Replacement, Traffic Detoured, Small Two Lane structure Curb& Gutter Radial (Hand Placed)L.F.15046Calculation:  20 C.Y. x 1.0 x .75 = 15 C.Y.     Concrete EntranceS.Y.8067      SidewalkS.F.1550144      Concrete DrivewayS.Y.150125      Entrance PavementS.Y.10084      Barrier Walls, Slip FormL.F.630192      Concrete RepairS.Y.3025      Concrete PavingS.Y.25002090      Slurry SealS.Y.80006689      SeedingAcres2.51      FencingL.F.1000305      Fine GradingS.Y.20001672Assumptions/Notes:    Lime StabilizationS.Y.60005017      Shoulder ConstructionL.F.500152      Slope ProtectionC.Y.10076A.) Production rates are units/day based on an 8 hr. day unless otherwise noted, UnderdrainL.F.1500457such as by Days or POUR.    Underdrain Outlet/EndwallEach8       Utility 12" Ductile IronL.F.10532B.) Production rates are based on the average of rates from five other nearby states with Utility 12" PVCL.F.32098assumed similar work conditions.  States referenced were Kentucky, Tennessee, Directional DrillingL.F.5015New Jersey, West Virginia, and Georgia.             Traffic Items         ItemUnitBase RateMetric Base Rate  Initial Traffic ControlDays2 C.) RS Means Rates and VDOT records were also used as a reference when wide variation Ordering Signal Equip.Days30 was found between different state's rates or if little information was available for a specific     Major Traffic SignalsDays/Intersec.40 work item.     Pavement MarkingsL.F.10,0003048D.) Scheduler should contact Roadside Development for planting restrictions and time Stop Bars, etc.L.F.500152estimates.  Landscaping rates are typically controlled by the planting season. Arrows/LettersEach50       Order Sign MaterialDays60 E.) Production rates were verified by VDOT project records as much as possible and are Order Overhead Sign Struct.Days80 intended for temporary use until the final database is produced at the conclusion of Erecting Overhead SignsDays10 a more intensive three year study of historical data specific to VDOT.  Erecting SignsS.F.100093      Ordering Lighting MaterialDays60 F.) Sensitivity Factors are estimated according to their effect on normal production. Erecting LightingDays/support3 If the scheduler disagrees with the factors for a specific application, he or she should GuardrailL.F.1500457develop a unique value.  For example excavation rates will be widely variable Guardrail TerminalsEach2 considering the range of topography between the Bristol and Hampton Road Districts. Order Impact AttenuatorsDays30 If the average figure sounds off for your project, consider making additional calculations Install Impact AttenuatorEach3 based on the excavation equipment most likely to be used.  Electrical ConduitL.F.400122      Electrical WireL.F.35001067      Precast concrete barrierL.F.800244G.) Utility 12" and drainage pipes include excavation/backfill for good soil conditions in a 4-5 ft.+/-  Lighting, Total Installation Lumin.Each2 trench.  Additional time for excavation should be estimated by the scheduler Phasing AllowanceDays/Phase3 for unfavorable conditions.              Bridge Items   H.) Several of the adjustment factors should have similar impacts on production, ItemUnitBase RateMetric Base Rateso generally it is recommended not to reduce the base quantity by more than 2 factors except MOT Setup   in special circumstances.    Impact AttenuatorsEA2.0       Median Barrier - InstallLF800.0244I.) Consult with your Traffic Engineering Section for production rates for specialty Removing Exst. GuardrailLF1500.0457items to make sure you account for the necessary review and fabrication times. Shoulder ImprovementsLF500.0152      Signs, Install Small (Sheet)EA30.0       Temporary Detour Bridge - InstallDays13.0       Traffic Control SetupDays2.0       Excavation/Demolition         CofferdamDays15.0       Dismantle/Remove Exst. Concrete DeckSY275.0230      Dismantle/Remove Exst. StructureSY50.042      Minor ExcavationCY250.0191      Sheet Piling - DriveSF500.046      Structure ExcavationCY300.0229      CBR30 Backfill/Compact AbutmentTON100.091      Substructure Items         Drilled ShaftsEA0.3       Epoxy Injection Crack RepairLF80.024      Reinforcing SteelTON2.52      Retaining Walls (CIP)SF400.037      Riprap - DumpedTON700.0635      Riprap - GroutedTON50.045      Riprap - Machine PlacedTON250.0227      Slope Protection - ConcreteSY750.0627      Steel Piles - PreboredLF250.076      Steel Piles - DrivenLF400.0122      Concrete Piles - 8" to 14"LF300.091      Concrete Piles - 24" to 30"LF325.099      Substructure Footings - Form and PlaceCY20.015      Substructure Neatwork - Form and PlaceCY10.08      Substructure Footing - Place SealCY15.011      Superstructure Items         Approach SlabsDAY5.0       Beam Repairs - Concrete Beam EndEA0.3       Beam Repairs (Steel) - BoltedEA0.5       Beam Repairs (Steel) - WeldedEA1.0       Bridge Deck - Form & Place Reinf. SteelSY50.042      Bridge Deck - OverlaySY500.0418      Bridge Deck - Pour NewSY850.0711      Bridge Deck GroovingSY550.0460      Bridge Deck - Sidewalk/Raised MedianLF80.024      CIP Conc. Slab Span - Install FalseworkSF250.023      CIP Conc. Slab Span - PourCY10.08      Concrete Diaphragms - Form & PourCY11.08      Concrete Removal - Sub/Super PatchSY15.013      Concrete Removal - Type B PatchSY50.042      Concrete Removal - Type C PatchSY10.08      Concrete Surface Color CoatingSY100.084      Expansion DamEA4.0       Expansion Joint ReconstructionLF25.08      Expansion Joint RemovalLF250.076      Expansion Joint SealerLF450.0137      Milling (Concrete - per 1/2" depth)SY1600.01338      Parapet - Hand FormedLF50.015      Parapet - Slip FormedLF200.061      Metal Rail ParapetLF100.030      Kansas Corrall ParapetLF20.06      Pedestrian FenceLF7.02      Prestressed Conc. Beam ErectionLF400.0122      ShotcreteSY65.054      Struct. Steel Surface Prep. (Method 1)SF3000.0279      Struct. Steel Surface Prep. (Method 2)SF240.022      Struct. Steel Surface Prep. (Method 3)SF600.056      Struct. Steel Surface Prep. (Method 4)SF200.019      Struct. Steel Surface Prep. (Method 5)SF1100.0102      Struct. Steel Surface Prep. (Method 6)SF6000.0557      Struct. Steel Surface Prep. (Method 7)SF7500.0697      Structural Steel - Painting (per coat)SF2000.0186      Structural Steel ErectionTON10.09      Structural Steel ErectionLF200.061      Timber Bridge DeckSF200.019      Finishing Items/MOT Teardown         CIP Conc. Slab Span - Remove FalseworkSF500.046      Median Barrier - RemoveLF800.0244      Sheet Piling - PullSF500.046      Temporary Detour Bridge - RemoveDays4.0       Traffic Control TeardownDays2.0                 Concrete Curing Cure days/Pour       Item Cure days/Pour       Deck overlays - Assume 20 CY of material placement per day        LMCPOUR5       HESLMCPOUR3       VESLMCPOUR1       New Construction         Substructure FootingsPOUR2       Substructure NeatworkPOUR5       Bridge Deck ConcretePOUR7       ParapetPOUR7                 Component Level Production Rates(Recommended for use at Field Inspection before all quantity details are known)           ItemUnit#Days Special Notes:     AbutmentsDays8 Add 1 day for each 400' of piles.  Add time for cofferdam/structure exc. Includes normal curing conditions.Piers or BentsDays15 Add 1 day for each 400' of piles.  Add time for cofferdam/structure exc. Includes normal curing conditions.Concrete Deck Span 20'-40'Days15 Includes form, rebar, pour, normal cure time.   Concrete Deck Span 41'-60'Days21 Includes form, rebar, pour, normal cure time.   Concrete Deck Span 61'-80'Days27 Includes form, rebar, pour, normal cure time.   Concrete Deck Span 81'-100'Days33 Includes form, rebar, pour, normal cure time.   Concrete Deck Span 101'-120'Days39 Includes form, rebar, pour, normal cure time.   Concrete Deck Span 121'-140'Days45 Includes form, rebar, pour, normal cure time.   Steel Beams (Plate Girder)Each  Add 2-3 days/span for diaphragms    Steel Beams (Rolled Steel)Each  Add 1 day/span for diaphragms    Concrete BeamsEach  Add 2-3 days/span for diaphragms    New Bridge ConstructionL.F.        1 station (100 ft.) of 12 ft. lane roadway rural or new constructionDays2 Includes clearing & grubbing, grading, pavement structure, guardrail, seeding, and light drainage work. 1 station (100 ft.) of 12 ft. lane roadway urban or widening workDays4 Includes above plus curb & Gutter, Drainage, Utilities, and items commonly encountered in urban work.          Note:  Component Level Production Rates are recommended for estimating time at the field inspection or early planning stages before quantities are known.