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## 3.4.2.3 Chemical for Nitrogen Removal 

The Tenderer hereby commits that chemical for nitrogen removal is less or equal to the one declared in Volume 4 Schedule 11.6. 

## 3.4.3 Natural Gas Consumption Commitment 

The Tenderer commits that the natural gas is less or equal to the specified below: 

The committed consumption of natural gas is based on consumption for the sludge drying plant. 

## Conditions 

The tenderer shall follow strictly all the conditions herein stated in his natural gas consumption calculation for the sludge drying plant. Any other assumptions, figures and factors shall NOT be used unless clearly stated. 

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## 3.5 Non-performance Damages for Exceeding OPEX Commitment 

Pursuant to Clause 12.4 of the Conditions of Contract non-performance damages shall be due for failure to meet the Commitments for Operating Costs stated in Schedule 10 and Schedule 11 of Volume 4. 

