1. Segregation, Storage and Disposal of Construction
and Household Wastes at Sites
By Mr Aritro Mukherjee
(Environment Manager)

2. Segregation of Wastes at Construction
Sites
• What is Waste Segregation?
• Segregation of Wastes :- It is defined as the
Separation of various types of wastes generated
and their proper categorization depending on their
nature. It is mainly done to separate and store
wastes of similar nature at a single place so that
they can be easily transported and disposed in a
proper manner without creating nuisance and
hindrance for the other persons.

3. Segregation and Categorization of
Construction Site Wastes.
• Segregation & Categorization of Construction Site Wastes :-
Construction Site Wastes can be segregated & categorized as :
– (i) Biodegradable Waste : It includes Organic Wastes like Food and
Paper Wastes.
– (ii) Non-biodegradable Waste : This can be further classified into :
• 1. Recyclable Waste : These can be recycled. Ex . Plastic, Glass and
Metal Wastes.
• 2. Hazardous and Toxic Waste : These include wastes like Oily
Sludge, Oily Cotton Waste, Tips of Welding Rods etc.
• 3. Biomedical or Clinical Waste : They include wastes like Cotton
Wastes, Band Aid Wastes, Adhesive Tape and Blood soaked
clothes from First-aid wound dressings.

4. On-Site Collection & Storage of
Construction Site Wastes
SL
No
Colour Coding of Dustbins Symbols Waste Category Examples
1. RED HAZARDOUS
FLAMMABLE
WASTE
OILY SLUDGE, OILY COTTON
WASTE
2. YELLOW BIOMEDICAL OR
CLINICAL WASTE
FIRST AID COTTON,
ADHESIVE TAPE, BAND-AID
AND BLOOD SOAKED
CLOTHES
3. GREY/BROWN HAZARDOUS
TOXIC WASTE
TIPS OF WELDING RODS
4. BLUE RECYCLABLE
WASTE
PLASTIC, GLASS & METAL
WASTES
5. GREEN BIODEGRADABLE
WASTE
FOOD & PAPER WASTE

5. Methods of Disposal of Construction Site
Wastes According to Categories
SL no. Waste category Methods of disposal
1. Hazardous
flammable
waste
Collected in designated dustbins, oily sludge to be collected
in small containers, oily cotton waste to be collected in
secured bags & transported to incinerator for incineration.
2. Biomedical or
clinical waste
Collected in designated dustbins, packed in secured bags &
buried at a safe place within the site premises.
3. Hazardous toxic
waste
Collected in designated dustbins, packed in secured bags &
sent to hazardous waste disposal facility.
4. Recyclable
waste
Collected in designated dustbins, packed in small disposable
bags & disposed with Govt. authorized recyclers on a
periodic basis.
5. Biodegradable
waste
Collected in designated dustbins, packed in small disposable
bags & disposed with authorized municipal solid waste
collectors.

6. THANK YOU