Legal Precedents & Enforcement Framework
Judicial decisions establishing mandatory fly ash utilisation within 300 km of thermal plants.
(2015) (T.S. Sivagnanam, J.)
"No person shall within a radius of fifty kilometers... manufacture clay bricks without mixing at least 25% of ash"
Key Holding: Confirmed mandatory 25% fly ash mixing in bricks within 50 km. Brick makers cannot reject fly ash on cost grounds.
Enforcement Use: "Notification mandates 25% fly ash in bricks within 50 km. Your refusal violates mandatory rule."
O.A. No. 117/2014
"NGT directed comprehensive utilization and scientific disposal of 100% fly ash by all Thermal Power Plants."
Key Holding: TPPs must use 100% of generated fly ash. Strict action for non-compliance. Polluter pays principle.
Enforcement Use: "NGT held 100% fly-ash use mandatory. Refusing fly-ash bricks breaches this directive."
O.A. No. 74/2021
"S.O.5481(E) mandates 100% ash utilization by power plants with penalties for non-compliance."
Key Holding: Fly-ash bricks mandatory unless cost exceeds CPWD/PWD schedule rates.
Enforcement Use: "Amendments confirm mandatory fly-ash use at ≤ CPWD rates. Price cannot be an avoidance excuse."
Statutory Framework
MoEFCC Notification S.O. 5481(E) (2021)
"All building construction projects within 300 km shall use ash bricks or ash based products"
Legally mandates fly-ash bricks/blocks for all construction within 300 km of coal-based power plants.
Amendment S.O. 6169(E) (2022)
"Replaced 'higher than price of alternative products' with 'more than price mentioned in CPWD Schedule'"
Fly-ash bricks mandatory unless price exceeds CPWD/PWD schedule rates.
Environmental Compensation Matrix
| Violation Type | Applicable Penalty | Legal Clause |
| TPP non-utilisation of ash | ₹1000 per ton | Clause C(1) |
| Builder avoids fly ash products | ₹75 per sq.ft | Clause C(3) proviso |
| Illegal clay brick usage/kiln | ₹1500/ton + sealing | Clause B(8), C(4) |