Waste Collection Systems Overview and Best Practices
Methods of loading
the
collection
vehicle:
May be classified as either Manual or mechanical depending on
the collection vehicle:
A- loading of residential
waste
include:
-
The direct lifting and carry of container and dumping into
vehicle.
-
The rolling of loaded containers on their
rim
(when they are
heavy).
-
The use of
small
lifts for rolling the container to the collection
vehicle.
-
The use of large container or drop clothes in which wastes from
small container are emptied before being carried to collection
vehicles.
B- commercial and industrial service :
Also
for
medium and high rise
building.
-
Usually they are use large
mobile
or stationary container with
large compactor. The containers usually provided with
rollers.
They are rolled manually to the collection vehicle and emptied
mechanically and return then to their storage
location.
Collection
System:
-
Collection procedure require to
satisfy:
1.
Demand of public
approach.
2.
Municipal
economy.
3.
Public health and environmental
requirement.
Collection system to be
well
organized
require.
1. Selection of trained
labour.
1
2. Purchasing suitable vehicle, equipment.
3.Planning collection
route.
4.Public attitude satisfaction.
Collection system types: can be
classified
1.
The
mode
of operation which mostly related to the storage
container
types.
2.
The equipment
used.
3.
The type of wastes
collected.
collection systems according
to
the mode
of
operation.
1.
Hauled Container System.
HCS
2.
Stationary Container System.
SCS
1.Hauled container system
(HCS)
-
Can be defined
as
the system in which containers used for the
storage of waste are hauled to the
disposal
site, emptied
and
returned to either there original location or
some
other
location.
For this the container usually of the roll-off large containers
located in areas of high generation
rates.
2.Stationary container system (SCS):
Containers used for the storage of S.W ( usually of small size)
remain
at
the
point
of
generation
except
for
occasional
short
trip
to
the vehicle (collection
vehicle).
2
3
Comparison between HCS, SCS
HCS:
Used and suitable
for:
1.
Removal of waste from sources of high
G.R.
2.
Eliminate handling
time
of many small
container.
3.
Eliminate unsightly accumulation associate with
the
use of a great
no. of small
container.
4.
Flexibility, possibility of using container of different sizes and
shapes for all types of
wastes.
5.
Require only
one
truck and driver
to
accomplish collection
cycle.
6.
Container size
is
of great economic importance compaction add
economic
advantages and unloading
facilities.
SCS:
1.
Used for all type of
wastes.
2.
It vary according to type and quantity of wastes to be
handled.
3.
It vary according to No. of generation points and the loading
process of
vehicles.
4.
Require
more
crews so it is
more
expensive.
Generally, collection, equipts for HCS and SCS differ in size
and capacity, and characteristics, the following, considered,
must
be
classified.
1.
Suitable cover with provision for easy loading and un
loading
2.
Water tight constant
preferably
metallic to prevent leakage and
spill and easily cleaner.
4
3. Truck capacity depend on waste
collection,
loading weight,
man
power
requirement.
Analysis of collection system
-
To establish vehicles and labour requires for various collection
system and
methods.
-
The unit
time
required to
perform
each task in the system
must
be determined.
collection activities (tasks) can be separated into unit
operations
as
follow:
1.
Pick Up:
definition for SCS and
HCS
a.
SCS:
Time
spent
loading the collection
vehicles.
b.
HCS:
Time
spent
driving to the
next
container
after
an empty
container has been deposits
and
the
time
spent picking
up
the loaded
container and the
time
requirement
to
redeposit the container after
its contents has been
emptied.
2.
Haul
(H)
a.
SCS:
time required to reach the disposal site
starting
after the
vehicle is filled pluse
time
after leaving the disposal site until arrival
at the location of the next collection
route.
b.
HCS:
time
required to reach
the
disposal site starting
after
loading the container on
truck
time
after leaving the disposal site to
the location where the empty container is to be
redeposit.
3. At site
for HCS and
SCS:
time
spent
the disposal site waiting and
un loading.
5
4.
Off
route
: for both system include all
time
spent
on activities that
are non productive , such
as:
-
Checking in and
out
at beginning
and
end of day
work.
-
Time
spent to the first pick up
point.
-
Time
spent due to
congestion.
-
Time
spent an equipt. repair and
Maintenance.
-
Time
spent for lunch in excess of the started
period.
1-
SCS
6
2-
HCS
7
Waste collection systems can be classified as manual or mechanical based on the type of collection vehicle used. Residential waste loading methods include direct lifting, rolling of containers, and use of lifts. Commercial and industrial services typically utilize large mobile or stationary containers with compactors. To establish an effective collection system, factors such as trained labor, suitable vehicles, equipment, planning routes, and public satisfaction must be considered. Hauled Container System (HCS) and Stationary Container System (SCS) are two common collection approaches, each with its own advantages. Analysis of truck capacity, loading weight, and manpower requirements is crucial for optimizing waste collection operations.
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Presentation Transcript
Methods of loading the collection vehicle: May be classified as either Manual or mechanical depending on the collection vehicle: A- loading of residential waste include: - The direct lifting and carry of container and dumping into vehicle. - The rolling of loaded containers on their rim (when they are heavy). - The use of small lifts for rolling the container to the collection vehicle. - The use of large container or drop clothes in which wastes from small container are emptied before being carried to collection vehicles. B- commercial and industrial service : Also for medium and high rise building. - Usually they are use large mobile or stationary container with large compactor. The containers usually provided with rollers. They are rolled manually to the collection vehicle and emptied mechanically and return then to their storage location. Collection System: - Collection procedure require to satisfy: 1. Demand of public approach. 2. Municipal economy. 3. Public health and environmental requirement. Collection system to be well organized require. 1. Selection of trained labour. 1
2. Purchasing suitable vehicle, equipment. 3.Planning collection route. 4.Public attitude satisfaction. Collection system types: can be classified 1.The mode of operation which mostly related to the storage container types. 2. The equipment used. 3. The type of wastes collected. collection systems according to the mode of operation. 1. Hauled Container System. HCS 2. Stationary Container System. SCS 1.Hauled container system (HCS) - Can be defined as the system in which containers used for the storage of waste are hauled to the disposal site, emptied and returned to either there original location or some other location. For this the container usually of the roll-off large containers located in areas of high generation rates. 2.Stationary container system (SCS): Containers used for the storage of S.W ( usually of small size) remain at the point of generation except for occasional short trip to the vehicle (collection vehicle). 2
Comparison between HCS, SCS HCS: Used and suitable for: 1.Removal of waste from sources of high G.R. 2.Eliminate handling time of many small container. 3.Eliminate unsightly accumulation associate with the use of a great no. of small container. 4.Flexibility, possibility of using container of different sizes and shapes for all types of wastes. 5.Require only one truck and driver to accomplish collection cycle. 6.Container size is of great economic importance compaction add economic advantages and unloading facilities. SCS: 1.Used for all type of wastes. 2.It vary according to type and quantity of wastes to be handled. 3.It vary according to No. of generation points and the loading process of vehicles. 4.Require more crews so it is more expensive. Generally, collection, equipts for HCS and SCS differ in size and capacity, and characteristics, the following, considered, must be classified. 1.Suitable cover with provision for easy loading and un loading 2.Water tight constant preferably metallic to prevent leakage and spill and easily cleaner. 3
3. Truck capacity depend on waste collection, loading weight, man power requirement. Analysis of collection system - To establish vehicles and labour requires for various collection system and methods. - The unit time required to perform each task in the system must be determined. collection activities (tasks) can be separated into unit operations as follow: 1. Pick Up: definition for SCS and HCS a.SCS: Time spent loading the collection vehicles. b.HCS: Time spent driving to the next container after an empty container has been deposits and the time spent picking up the loaded container and the time requirement to redeposit the container after its contents has been emptied. 2. Haul (H) a.SCS: time required to reach the disposal site starting after the vehicle is filled pluse time after leaving the disposal site until arrival at the location of the next collection route. b. HCS: time required to reach the disposal site starting after loading the container on truck time after leaving the disposal site to the location where the empty container is to be redeposit. 3. At site for HCS and SCS: time spent the disposal site waiting and un loading. 4
4. Off route: for both system include all time spent on activities that are non productive , such as: - Checking in and out at beginning and end of day work. - Time spent to the first pick up point. - Time spent due to congestion. - Time spent an equipt. repair and Maintenance. - Time spent for lunch in excess of the started period. 5
1- SCS 6
2- HCS 7
