The maximum daily consumption of water is equal to:

Explanation:

• Maximum daily demand = 1.8 × Average daily demand = 1.8 q
• Maximum hourly demand = 1.5 × ( maximum daily demand/24) = 1.5 × (1.8 q/24) = 2.7 × (q/24) = 2.7 (Annual avg hourly demand)
• Maximum weekly demand = 1.48 × Average weekly
• Maximum monthly demand = 1.28 × Average monthly 

Important Points

Coincident Draft 

The total draft is not taken as the sum of maximum hourly demand and fire demand but is taken as the maximum of 

1. Maximum daily demand + Fire demand
2. Maximum hourly demand