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Table 1

Different hydraulic scenarios considered for the lining of the river channel

Sl. No.Cross sectionDescription
Original C/S (surveyed data) 
II Trapezoidal C/S 
II (A) Trapezoidal C/S Fully lined with concrete (n = 0.012) 
II (B) Fully lined with gravel (n = 0.02) 
II (C) Lined with concrete (n = 0.012). Only after The Qube Hotel 
II (D) Lined with gravel (n = 0.02). Only after The Qube Hotel 
II (E) Original C/S with default Mannings n = 0.04 until The Qube Hotel, but practically feasible C/S lined with concrete (n = 0.012) after The Qube Hotel 
II (F) Original C/S with default Mannings n = 0.04 until The Qube Hotel, but practically feasible C/S lined with gravel (n = 0.02) after The Qube Hotel 
III Rectangular C/S 
III (A) Rectangular C/S Fully lined with concrete (n = 0.012) 
III (B) Fully lined with gravel (n = 0.02) 
III (C) Lined with concrete (n = 0.012). Only after The Qube Hotel (chainage ≈ 10,395 m) 
III (D) Lined with gravel (n = 0.02). Only after The Qube Hotel 
III (E) Original C/S with default Mannings n = 0.04 until The Qube Hotel, but rectangular C/S lined with concrete (n = 0.012) after The Qube Hotel 
III (F) Original C/S with default Mannings n = 0.04 until The Qube Hotel, but rectangular C/S lined with gravel (n = 0.02) after The Qube Hotel 
Sl. No.Cross sectionDescription
Original C/S (surveyed data) 
II Trapezoidal C/S 
II (A) Trapezoidal C/S Fully lined with concrete (n = 0.012) 
II (B) Fully lined with gravel (n = 0.02) 
II (C) Lined with concrete (n = 0.012). Only after The Qube Hotel 
II (D) Lined with gravel (n = 0.02). Only after The Qube Hotel 
II (E) Original C/S with default Mannings n = 0.04 until The Qube Hotel, but practically feasible C/S lined with concrete (n = 0.012) after The Qube Hotel 
II (F) Original C/S with default Mannings n = 0.04 until The Qube Hotel, but practically feasible C/S lined with gravel (n = 0.02) after The Qube Hotel 
III Rectangular C/S 
III (A) Rectangular C/S Fully lined with concrete (n = 0.012) 
III (B) Fully lined with gravel (n = 0.02) 
III (C) Lined with concrete (n = 0.012). Only after The Qube Hotel (chainage ≈ 10,395 m) 
III (D) Lined with gravel (n = 0.02). Only after The Qube Hotel 
III (E) Original C/S with default Mannings n = 0.04 until The Qube Hotel, but rectangular C/S lined with concrete (n = 0.012) after The Qube Hotel 
III (F) Original C/S with default Mannings n = 0.04 until The Qube Hotel, but rectangular C/S lined with gravel (n = 0.02) after The Qube Hotel 
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