Bridge Items - Work Activity Base Production Rates in USA
| Work Activity Base Production Rates |
| Item | Unit | Base Rate | Metric Base Rate | ||||||
| Grade Items | |||||||||
| Mobilization | Days | 5 | |||||||
| Clearing & Grubbing | Acres | 3 | 1 | ||||||
| Demo. Of Buildings | Each | 1 | |||||||
| Asbestos Rem.(Res./Small Commercial) | Days | 4 | |||||||
| Asbestos Rem.(Large Commercial) | Days | 10 | |||||||
| Demo. Of Asphalt Pave. | S.Y. | 1500 | 1254 | ||||||
| Sawcut Pavement | L.F. | 800 | 244 | ||||||
| Remove Curb& Gutter | L.F. | 600 | 183 | ||||||
| Remove Exist. DI/Manhole & Assoc. Pipe | Each | 6 | |||||||
| Temporary Detour | Days | 6 | |||||||
| Roadway Excavation | C.Y. | 2000 | 1529 | ||||||
| Excavation Small/Irregular Area Projects | C.Y. | 850 | 650 | ||||||
| Excavation - Large quantity projects | C.Y. | 5000 | 3823 | ||||||
| Drainage Corrug.Metal 18" | L.F. | 205 | 62 | ||||||
| Drainage Concrete Pipe 15" | L.F. | 168 | 51 | ||||||
| Drainage Conc. Pipe 18" | L.F. | 144 | 44 | ||||||
| Drainage Conc. Pipe (24" to 54") | L.F. | 72 | 22 | ||||||
| Drainage Conc. Pipe (60 in. & greater) | L.F. | 48 | 15 | Base Rate Adjustment Factors | |||||
| Inlets/Manholes | Each | 2 | |||||||
| Minor Excavation (Drainage Structures) | C.Y. | 250 | 191 | ||||||
| Box Culverts, Class A Conc. | C.Y. | 20 | 15 | Factors | Adjustment for Noted Conditions | ||||
| Box Culverts, Cast in Place | L.F. | 5 | 2 | Location | Rural = 1.0 | Small City = 0.85 | Big City = .75 | ||
| Box Culverts, Precast | L.F. | 20 | 6 | Traffic Conditions | Light = 1.0 | Moderate = .88 | High = .70 | ||
| Retaining Walls, Cast in Place | L.F. | 5 | 2 | Complexity | Low = 1.0 | Medium = .85 | High = .70 | ||
| Major Retaining Walls | S.F. | 210 | 20 | Soil Conditions | Good = 1.0 | Fair = .85 | Poor = .65 | ||
| Sub-grade Stabilization | S.Y. | 8000 | 6689 | Quantity of Work | Large = 1.0 | Medium = .88 | Small = .75 | ||
| Aggregate Base | Tons | 1360 | 1234 | ||||||
| Aggregate Base Small/Irregular Projects | Tons | 680 | 617 | ||||||
| Drainage Blanket | Tons | 1200 | 1089 | Example Production Rate Calculation for Roadway Excavation: | |||||
| Asphalt Base | Tons | 1175 | 1066 | Conditions: Rock Excavation around moderate traffic. | |||||
| Asphalt Intermediate | Tons | 750 | 680 | Calculation: 2000 C.Y. x .65 x .88 = 1144 C.Y. per day | |||||
| Asphalt Surface | Tons | 500 | 454 | ||||||
| Milling/Flexible Pavement Planing (Max. 2") | S.Y. | 3000 | 2509 | ||||||
| Curb & Gutter (Machine Placed) | L.F. | 800 | 244 | Example Production Rate Calculation for Bridge Footing: | |||||
| Curb & Gutter (Hand Placed) | L.F. | 400 | 122 | Conditions: Rural Bridge Replacement, Traffic Detoured, Small Two Lane structure | |||||
| Curb& Gutter Radial (Hand Placed) | L.F. | 150 | 46 | Calculation: 20 C.Y. x 1.0 x .75 = 15 C.Y. | |||||
| Concrete Entrance | S.Y. | 80 | 67 | ||||||
| Sidewalk | S.F. | 1550 | 144 | ||||||
| Concrete Driveway | S.Y. | 150 | 125 | ||||||
| Entrance Pavement | S.Y. | 100 | 84 | ||||||
| Barrier Walls, Slip Form | L.F. | 630 | 192 | ||||||
| Concrete Repair | S.Y. | 30 | 25 | ||||||
| Concrete Paving | S.Y. | 2500 | 2090 | ||||||
| Slurry Seal | S.Y. | 8000 | 6689 | ||||||
| Seeding | Acres | 2.5 | 1 | ||||||
| Fencing | L.F. | 1000 | 305 | ||||||
| Fine Grading | S.Y. | 2000 | 1672 | Assumptions/Notes: | |||||
| Lime Stabilization | S.Y. | 6000 | 5017 | ||||||
| Shoulder Construction | L.F. | 500 | 152 | ||||||
| Slope Protection | C.Y. | 100 | 76 | A.) Production rates are units/day based on an 8 hr. day unless otherwise noted, | |||||
| Underdrain | L.F. | 1500 | 457 | such as by Days or POUR. | |||||
| Underdrain Outlet/Endwall | Each | 8 | |||||||
| Utility 12" Ductile Iron | L.F. | 105 | 32 | B.) Production rates are based on the average of rates from five other nearby states with | |||||
| Utility 12" PVC | L.F. | 320 | 98 | assumed similar work conditions. States referenced were Kentucky, Tennessee, | |||||
| Directional Drilling | L.F. | 50 | 15 | New Jersey, West Virginia, and Georgia. | |||||
| Traffic Items | |||||||||
| Item | Unit | Base Rate | Metric Base Rate | ||||||
| Initial Traffic Control | Days | 2 | C.) RS Means Rates and VDOT records were also used as a reference when wide variation | ||||||
| Ordering Signal Equip. | Days | 30 | was found between different state's rates or if little information was available for a specific | ||||||
| Major Traffic Signals | Days/Intersec. | 40 | work item. | ||||||
| Pavement Markings | L.F. | 10,000 | 3048 | D.) Scheduler should contact Roadside Development for planting restrictions and time | |||||
| Stop Bars, etc. | L.F. | 500 | 152 | estimates. Landscaping rates are typically controlled by the planting season. | |||||
| Arrows/Letters | Each | 50 | |||||||
| Order Sign Material | Days | 60 | E.) Production rates were verified by VDOT project records as much as possible and are | ||||||
| Order Overhead Sign Struct. | Days | 80 | intended for temporary use until the final database is produced at the conclusion of | ||||||
| Erecting Overhead Signs | Days | 10 | a more intensive three year study of historical data specific to VDOT. | ||||||
| Erecting Signs | S.F. | 1000 | 93 | ||||||
| Ordering Lighting Material | Days | 60 | F.) Sensitivity Factors are estimated according to their effect on normal production. | ||||||
| Erecting Lighting | Days/support | 3 | If the scheduler disagrees with the factors for a specific application, he or she should | ||||||
| Guardrail | L.F. | 1500 | 457 | develop a unique value. For example excavation rates will be widely variable | |||||
| Guardrail Terminals | Each | 2 | considering the range of topography between the Bristol and Hampton Road Districts. | ||||||
| Order Impact Attenuators | Days | 30 | If the average figure sounds off for your project, consider making additional calculations | ||||||
| Install Impact Attenuator | Each | 3 | based on the excavation equipment most likely to be used. | ||||||
| Electrical Conduit | L.F. | 400 | 122 | ||||||
| Electrical Wire | L.F. | 3500 | 1067 | ||||||
| Precast concrete barrier | L.F. | 800 | 244 | G.) Utility 12" and drainage pipes include excavation/backfill for good soil conditions in a 4-5 ft.+/- | |||||
| Lighting, Total Installation Lumin. | Each | 2 | trench. Additional time for excavation should be estimated by the scheduler | ||||||
| Phasing Allowance | Days/Phase | 3 | for unfavorable conditions. | ||||||
| Bridge Items | H.) Several of the adjustment factors should have similar impacts on production, | ||||||||
| Item | Unit | Base Rate | Metric Base Rate | so generally it is recommended not to reduce the base quantity by more than 2 factors except | |||||
| MOT Setup | in special circumstances. | ||||||||
| Impact Attenuators | EA | 2.0 | |||||||
| Median Barrier - Install | LF | 800.0 | 244 | I.) Consult with your Traffic Engineering Section for production rates for specialty | |||||
| Removing Exst. Guardrail | LF | 1500.0 | 457 | items to make sure you account for the necessary review and fabrication times. | |||||
| Shoulder Improvements | LF | 500.0 | 152 | ||||||
| Signs, Install Small (Sheet) | EA | 30.0 | |||||||
| Temporary Detour Bridge - Install | Days | 13.0 | |||||||
| Traffic Control Setup | Days | 2.0 | |||||||
| Excavation/Demolition | |||||||||
| Cofferdam | Days | 15.0 | |||||||
| Dismantle/Remove Exst. Concrete Deck | SY | 275.0 | 230 | ||||||
| Dismantle/Remove Exst. Structure | SY | 50.0 | 42 | ||||||
| Minor Excavation | CY | 250.0 | 191 | ||||||
| Sheet Piling - Drive | SF | 500.0 | 46 | ||||||
| Structure Excavation | CY | 300.0 | 229 | ||||||
| CBR30 Backfill/Compact Abutment | TON | 100.0 | 91 | ||||||
| Substructure Items | |||||||||
| Drilled Shafts | EA | 0.3 | |||||||
| Epoxy Injection Crack Repair | LF | 80.0 | 24 | ||||||
| Reinforcing Steel | TON | 2.5 | 2 | ||||||
| Retaining Walls (CIP) | SF | 400.0 | 37 | ||||||
| Riprap - Dumped | TON | 700.0 | 635 | ||||||
| Riprap - Grouted | TON | 50.0 | 45 | ||||||
| Riprap - Machine Placed | TON | 250.0 | 227 | ||||||
| Slope Protection - Concrete | SY | 750.0 | 627 | ||||||
| Steel Piles - Prebored | LF | 250.0 | 76 | ||||||
| Steel Piles - Driven | LF | 400.0 | 122 | ||||||
| Concrete Piles - 8" to 14" | LF | 300.0 | 91 | ||||||
| Concrete Piles - 24" to 30" | LF | 325.0 | 99 | ||||||
| Substructure Footings - Form and Place | CY | 20.0 | 15 | ||||||
| Substructure Neatwork - Form and Place | CY | 10.0 | 8 | ||||||
| Substructure Footing - Place Seal | CY | 15.0 | 11 | ||||||
| Superstructure Items | |||||||||
| Approach Slabs | DAY | 5.0 | |||||||
| Beam Repairs - Concrete Beam End | EA | 0.3 | |||||||
| Beam Repairs (Steel) - Bolted | EA | 0.5 | |||||||
| Beam Repairs (Steel) - Welded | EA | 1.0 | |||||||
| Bridge Deck - Form & Place Reinf. Steel | SY | 50.0 | 42 | ||||||
| Bridge Deck - Overlay | SY | 500.0 | 418 | ||||||
| Bridge Deck - Pour New | SY | 850.0 | 711 | ||||||
| Bridge Deck Grooving | SY | 550.0 | 460 | ||||||
| Bridge Deck - Sidewalk/Raised Median | LF | 80.0 | 24 | ||||||
| CIP Conc. Slab Span - Install Falsework | SF | 250.0 | 23 | ||||||
| CIP Conc. Slab Span - Pour | CY | 10.0 | 8 | ||||||
| Concrete Diaphragms - Form & Pour | CY | 11.0 | 8 | ||||||
| Concrete Removal - Sub/Super Patch | SY | 15.0 | 13 | ||||||
| Concrete Removal - Type B Patch | SY | 50.0 | 42 | ||||||
| Concrete Removal - Type C Patch | SY | 10.0 | 8 | ||||||
| Concrete Surface Color Coating | SY | 100.0 | 84 | ||||||
| Expansion Dam | EA | 4.0 | |||||||
| Expansion Joint Reconstruction | LF | 25.0 | 8 | ||||||
| Expansion Joint Removal | LF | 250.0 | 76 | ||||||
| Expansion Joint Sealer | LF | 450.0 | 137 | ||||||
| Milling (Concrete - per 1/2" depth) | SY | 1600.0 | 1338 | ||||||
| Parapet - Hand Formed | LF | 50.0 | 15 | ||||||
| Parapet - Slip Formed | LF | 200.0 | 61 | ||||||
| Metal Rail Parapet | LF | 100.0 | 30 | ||||||
| Kansas Corrall Parapet | LF | 20.0 | 6 | ||||||
| Pedestrian Fence | LF | 7.0 | 2 | ||||||
| Prestressed Conc. Beam Erection | LF | 400.0 | 122 | ||||||
| Shotcrete | SY | 65.0 | 54 | ||||||
| Struct. Steel Surface Prep. (Method 1) | SF | 3000.0 | 279 | ||||||
| Struct. Steel Surface Prep. (Method 2) | SF | 240.0 | 22 | ||||||
| Struct. Steel Surface Prep. (Method 3) | SF | 600.0 | 56 | ||||||
| Struct. Steel Surface Prep. (Method 4) | SF | 200.0 | 19 | ||||||
| Struct. Steel Surface Prep. (Method 5) | SF | 1100.0 | 102 | ||||||
| Struct. Steel Surface Prep. (Method 6) | SF | 6000.0 | 557 | ||||||
| Struct. Steel Surface Prep. (Method 7) | SF | 7500.0 | 697 | ||||||
| Structural Steel - Painting (per coat) | SF | 2000.0 | 186 | ||||||
| Structural Steel Erection | TON | 10.0 | 9 | ||||||
| Structural Steel Erection | LF | 200.0 | 61 | ||||||
| Timber Bridge Deck | SF | 200.0 | 19 | ||||||
| Finishing Items/MOT Teardown | |||||||||
| CIP Conc. Slab Span - Remove Falsework | SF | 500.0 | 46 | ||||||
| Median Barrier - Remove | LF | 800.0 | 244 | ||||||
| Sheet Piling - Pull | SF | 500.0 | 46 | ||||||
| Temporary Detour Bridge - Remove | Days | 4.0 | |||||||
| Traffic Control Teardown | Days | 2.0 | |||||||
| Concrete Curing | Cure days/Pour | ||||||||
| Item | Cure days/Pour | ||||||||
| Deck overlays - Assume 20 CY of material placement per day | |||||||||
| LMC | POUR | 5 | |||||||
| HESLMC | POUR | 3 | |||||||
| VESLMC | POUR | 1 | |||||||
| New Construction | |||||||||
| Substructure Footings | POUR | 2 | |||||||
| Substructure Neatwork | POUR | 5 | |||||||
| Bridge Deck Concrete | POUR | 7 | |||||||
| Parapet | POUR | 7 | |||||||
| Component Level Production Rates | (Recommended for use at Field Inspection before all quantity details are known) | ||||||||
| Item | Unit | #Days | Special Notes: | ||||||
| Abutments | Days | 8 | Add 1 day for each 400' of piles. Add time for cofferdam/structure exc. Includes normal curing conditions. | ||||||
| Piers or Bents | Days | 15 | Add 1 day for each 400' of piles. Add time for cofferdam/structure exc. Includes normal curing conditions. | ||||||
| Concrete Deck Span 20'-40' | Days | 15 | Includes form, rebar, pour, normal cure time. | ||||||
| Concrete Deck Span 41'-60' | Days | 21 | Includes form, rebar, pour, normal cure time. | ||||||
| Concrete Deck Span 61'-80' | Days | 27 | Includes form, rebar, pour, normal cure time. | ||||||
| Concrete Deck Span 81'-100' | Days | 33 | Includes form, rebar, pour, normal cure time. | ||||||
| Concrete Deck Span 101'-120' | Days | 39 | Includes form, rebar, pour, normal cure time. | ||||||
| Concrete Deck Span 121'-140' | Days | 45 | 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 Beams | Each | Add 2-3 days/span for diaphragms | |||||||
| New Bridge Construction | L.F. | ||||||||
| 1 station (100 ft.) of 12 ft. lane roadway rural or new construction | Days | 2 | Includes clearing & grubbing, grading, pavement structure, guardrail, seeding, and light drainage work. | ||||||
| 1 station (100 ft.) of 12 ft. lane roadway urban or widening work | Days | 4 | 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. | |||||||||
