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WASTES TRANSFER AND TRANSPORT

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Located between the disposal site & the centre of the city ... Receiving process of solid waste trucks Delivery process ... Site Selection Slide 36 Motor ... – PowerPoint PPT presentation

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Title: WASTES TRANSFER AND TRANSPORT


1
  • WASTES TRANSFER AND TRANSPORT

2
What is a transfer station?
  • Facilities and appurtenances used to effect the
    transfer of waste from the one location to other,
    usually more distance, location.

3
  • A waste transfer station is a light
    industrial-type facility where trash collection
    trucks discharge their loads so trash can be
    compacted and then reloaded into larger vehicles
    for shipment to a final disposal site, typically
    a landfill or waste-to-energy facility.

4
Transfer Station
  • The transfer of wastes from one location to
    another more distant location
  • Contents small collection vehicles are
    transferred to large vehicles to transport the
    waste over extended distances
  • Transfer and transport operation also used in
    conjunction with MRFs to transport recover
    material to markets/residue material and
    waste-to-energy facilities.

5
The need for transfer operation
  • Transfer and transport operations become
    necessity when haul distance to available
    disposal sites increase.
  • Also become necessity when disposal sites cannot
    be reach directly by highway (sites in remote
    control).
  • Transfer station is integral part of all types of
    MRFs and MR/TFs
  • The time require for transportation is the key
    factor especially in the traffic congested city.

6
  • Located between the disposal site the centre of
    the city
  • The functions are volume reduction sorting of
    waste for recycling
  • Additional factor that tend to make the use of
    transfer station includes
  • The occurrence of illegal dumping due to
    excessive haul distances

7
  • The use of small-capacity collection vehicles
  • The existence of low-density residential service
    area

8
What Are the Benefits?
  • Reduces overall community truck traffic by
  • Offers more flexibility in waste handling and
    disposal options.
  • Reduces air pollution, fuel consumption, and road
    wear
  • Allows for screening of waste
  • Reduces traffic at the disposal facility.
  • Offers citizens facilities for convenient
    drop-off of waste and recyclables.

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10
Types of transfer station
  • Classified into three type
  • Direct load
  • Storage load
  • combined direct load and storage load

11
  • Direct load
  • Small capacity
  • Wastes discharge directly into the open-top
    trailer to be use to transport to compaction
    facilities.
  • large capacity
  • The wastes in collection emptied directly into
    transport vehicle, or
  • The wastes in the collection vehicles are emptied
    temporarily onto unloading platform

12
  • The wastes are then push into the transport
    trailers.
  • The new technology of direct-load transfer
    station, replace the use of open-top transfer
    vehicle with the compaction facilities.
  • The compaction facilities can be use to compact
    wastes into the transfer trailers.

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14
  • Storage load
  • Wastes are emptied directly into a storage pit
    then they are loaded into transport vehicles
  • Various types of auxiliary equipment are used to
    load the wastes into the transport vehicles.
  • The different between direct-load and
    storage-load is the capacity to store wastes.

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18
  • Combined direct load and storage load
  • Multipurpose facilities that service a broader
    range of users
  • It can be a materials recovery operation

19
diagram
20
The operation of transfer station
Receiving process of solid waste trucks
21
The operation of transfer station
Delivery process
22
The operation of transfer station
23
Docking Process
24
Docking Process
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Waste Compaction Process
28
Control room
29
Tractor Head Container
30
Prime Mover
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33
Factors to be consider for location of transfer
station.
  • As near as possible to the collection area.
  • easy access to highway
  • minimal public and environmental risk/objection
  • economical aspects
  • capacity of collection vehicle
  • storage space require
  • time require to unload the collection trucks

34
  • number of trucks that will use facilities
  • transfer trailer capacity
  • operation hours
  • type of waste processes

35
Site Selection
  • Site suitability depends on numerous
  • Technical
  • Environmental
  • Economic
  • Social , and
  • Political
  • Large enough .

36
  • Natural buffer zone
  • Public concern particularly from people living
    surrounding
  • Environmental justice consideration

37
Motor Vehicle transport
  • Collection
  • Compactors
  • commonly use for door to door collection
  • Equipped with compacter facilities
  • capacity 12m3
  • Use for the compactable waste

38
  • Roll on roll off (RORO)
  • Top-open truck used for commercial and
    residential areas
  • For bulky and uncompactable wastes
  • Side loader
  • Without compactor
  • Manually door to door collection

39
  • Open trucks
  • Used for transporting bulky uncompactable
    wastes.
  • Used for door to door collection
  • Not recommended for garbage and refuse
  • Hand carts
  • Commonly use by the street sweepers

40
Health and Safety Concerns?
  • Traffic, noise, dust and odor may exist around
    waste transfer stations.
  • Other problems that can result from an improperly
    designed or operated facility, include
  • Rodents and birds.
  • Litter.
  • Air emissions.

41
  • Environmental issue
  • Traffic
  • Litter
  • Safety issue

42
  • THANK YOU
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