WE DO DOCKS RITE! - Datar Engineering

1 WE DO DOCKS RITE! Who is RiteWho is Rite--Hite?Hite? Worlds Leading Manufacturer of Loading dock Worlds Leading Manufacturer of Loading dock and Industrial Door Safety Systemsand Industrial Door Safety Systems Founded in 1964 Founded in 1964 Privately Held Privately Held Headquartered in Milwaukee, WI, USA Headquartered in Milwaukee, WI, USA Mission Statement: Improve Safety, Security and Mission Statement: Improve Safety, Security and Productivity Through Quality and InnovationProductivity Through Quality and InnovationDesigning the Material Transfer ZoneDesigning the Material Transfer ZoneIndex of TopicsIndex of Topics Shipping and Receiving Shipping and Receiving THERE IS A DIFFERENCE!THERE IS A DIFFERENCE! How many DOCKS do I need?

2 How many DOCKS do I need? Truck and Trailer Sizes?Truck and Trailer Sizes? Access to dock and truck turning radius?Access to dock and truck turning radius? Types of loading DOCKS ?Types of loading DOCKS ? dock Leveler Size & Capacity? dock Leveler Size & Capacity? dock Leveler Size & Capacity? dock Leveler Size & Capacity? dock Height? dock Height? Trailer Restraints & Light Communication Systems?Trailer Restraints & Light Communication Systems? Door Size? Door Size? Types of dock Doors?Types of dock Doors? Types of dock Seals and Shelters?Types of dock Seals and Shelters? dock Accessories dock Accessories Chocks, Lights, Bumpers, , Lights, Bumpers, etc. Miscellaneous dock problems & Solutions. Miscellaneous dock problems & vs.

3 ReceivingShipping vs. ReceivingWhat s the big deal???????What s the big deal??????? Truck sizes dock Height Door Size Material Handling Equipment Palletized vs. hand load Weights Volumes There is a very serious difference! There is a very serious difference!Shipping vs. ReceivingShipping vs. ReceivingLow truckHigh truckShipping vs. ReceivingShipping vs. ReceivingShipping vs. ReceivingShipping vs. ReceivingSegregated dock heightsHow many DOCKS do I need?How many DOCKS do I need?Major Considerations:Major Considerations:Shipping vs. Receiving?Shipping vs. Receiving? Current needsCurrent needs Future needsFuture needs Future needsFuture needsDo I have grade level access?Do I have grade level access?Do I have trash door?Do I have trash door?Do I have adequate pedestrian access?

4 Do I have adequate pedestrian access?How many DOCKS do I need?How many DOCKS do I need?Based on the busiest shiftBased on the busiest shiftIf If TTrucks per hour or rucks per hour or TT= = Number of trucks per shift Number of trucks per shiftHours per shift of dock operationHours per shift of dock operationAnd And UUtilization or tilization or UU= = Total Minutes each truck is in Truckwell Total Minutes each truck is in Truckwell60 minutes60 minutesThen Then NNumber of dock positions required or umber of dock positions required or NN= = TTX X UUFor instance, if 20 trucks per day use the standard DOCKS at the receiving dock For instance, if 20 trucks per day use the standard DOCKS at the receiving dock operating 8 hours per day which is T = 20/8 = , and each truck is in a dock operating 8 hours per day which is T = 20/8 =.

5 And each truck is in a dock for an average of 2 hours or U = 120/60 = 2, then T x U or x 2 = 5 standard for an average of 2 hours or U = 120/60 = 2, then T x U or x 2 = 5 standard DOCKS are are in doubt, round up and plan for growthWhen in doubt, round up and plan for growth Provide for flexibility and future growth Provide for flexibility and future growthHow many DOCKS do I need?How many DOCKS do I need?The concept of capped pits and knock out concept of capped pits and knock out & Sizes of TrucksTypes & Sizes of Trucks Small trucksSmall trucksTypes & Sizes of TrucksTypes & Sizes of Trucks Large trucks and containers Large trucks and containersChanging Trailer EnvironmentChanging Trailer Environment Types of trucks Types of trucks and trailersand trailers Pup trailers Bed heights: 1175mm 1275mm Lengths: 10m Widths: 2400mm 2600mm Over the road dry trailers Bed Heights: 1150mm 1270 Lengths: Widths: 2400mm 2600mm Over the road ref.

6 Trailers Bed Heights: 1200mm 1350mm Lengths: Widths: 2400mm 2600mmTypes and Sizes of TrucksTypes and Sizes of Trucks900-1100 mmRefrigerated PantecArticulated Container & Flat Bed with OverhangArticulated Container & Flat BedRigid1350-1600 m maxArticulated B DoubleArticulated Pantec1300-1450 mm1100-1300mm900-1100 mm900-1100 mm19 m maxTypes & Sizes of TrucksTypes & Sizes of TrucksType of VehicleType of VehicleTruck DimensionsTruck DimensionsOverall LengthFloor HeightOverall HeightOverall m900-110043002500 Articulated Container & 19 m1100-130043002500 Flat BedRefrigerated Pantec19 m1350-160043002500 Articulated Container & Flat Bed with Overhang19 m1300-160043002500 Articulated25 m1100-1300 Dry Goods1300-1450 Refrigerated43002500 Types & Sizes of TrucksTypes & Sizes of Trucks Lift gates and special

7 TrucksLift gates and special trucksTypes & Sizes of TrucksTypes & Sizes of Trucks Lift gates and special trucksLift gates and special trucksChanging Trailer EnvironmentChanging Trailer Environment AirAir--Ride SuspensionsRide Suspensions Used on trailers for the last (15) years Designed to provide Smooth Ride = Less Product Damage in Transit Other Benefits: Air-Ride on Cabs = Smooth Ride for Drivers Smooth Ride For Cargo = Smooth Ride for Trailer Body, means less maintenance and longer trailer lifeChanging Trailer EnvironmentChanging Trailer Environment Air Air--ride suspensionsride suspensions Challenge: air-ride suspensions can lower trailer bed height by as much as 150 200mm at the loading dock !Air-ride suspensions can lead to vertical and horizontal trailer movementDo I have adequate access?

8 Do I have adequate access? Apron spaceApron space-- area from the face of the dock to the first area from the face of the dock to the first obstruction (fence, building etc)obstruction (fence, building etc) The amount of space you will need depends upon many factors, The amount of space you will need depends upon many factors, including:including: Size of trailers Size of prime movers Widths of berths and moreBut here is a good rule of thumb But here is a good rule of thumb But here is a good rule of thumb But here is a good rule of thumb Assume metre centre lines (this is considered the minimum Assume metre centre lines (this is considered the minimum desirable) desirable) Then take the largest prime mover/trailer length that will be Then take the largest prime mover/trailer length that will be received and multiply this length by 2, then add metres as a received and multiply this length by 2, then add metres as a safety marginsafety margin For each 150mm the centre line increases, reduce the total apron For each 150mm the centre line increases, reduce the total apron space 3%.

9 Space 3%. For each 150mm the centre line decreases, add 3% more apron For each 150mm the centre line decreases, add 3% more apron & Trailer turning radiusTruck & Trailer turning radiusTruck and Trailer Turning RadiusTruck and Trailer Turning RadiusOverall Length of Overall Length of VehicleVehicleWidth of Width of BerthBerthManeuvering Apron Maneuvering Apron Space Space 12 m26 m25 m24 m29 mManeuvering apron space required for one maneuver into & out of position14 m29 m28 m27 m19 m41 m40 m m39 m25 m54 m53 m m52 mDock ApproachDock Approach InclineIncline LevelLevel LevelLevel DeclineDeclineDock ApproachDock Approach Incline InclineDock ApproachDock Approach Level LevelDock ApproachDock Approach Decline DeclineDock ApproachDock ApproachDock ApproachDock Approach% of Grade% of Grade Laminated Bumper Laminated Bumper

10 Projection (mm)Projection (mm)Minimum Pit Minimum Pit Projection Projection (mm)(mm)Total Total Projection Projection (mm)(mm)Level100 01001%100 501502%100 751753%100 1002004%100 1252255%100 1502506%100 175275 Types of Loading DocksTypes of Loading DOCKS FlushFlush Cantelever Cantelever Open PlatformOpen Platform Free Standing dock RampFree Standing dock Ramp Free Standing dock RampFree Standing dock Ramp Saw tooth Saw tooth dock HouseDock House Finger DockFinger DockTraditional Flush DockTraditional Flush DockTraditional Cantelever DockTraditional Cantelever DockOpen dock PlatformOpen dock PlatformFree Standing dock RampFree Standing dock RampSaw Tooth DockSaw Tooth DockDock HouseDock HouseFinger DockFinger DockDock Leveler TypesDock Leveler Types Pit Type Pit Type Mechanical Air Hydraulic VerticalVertical VerticalVertical Scissors DockScissors