Segregation, Storage and Disposal of Construction and Household Wastes at Sites

By Mr Aritro Mukherjee (Environment Manager)

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.

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.

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

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.

THANK YOU