Code for Material - Field: material_of_sewer
1 - Brick Arch
2 - RCC Pipe
3 - CI Pipe
4 - DWC Pipe 
6 - SW Pipe 
8 - DI Pipe 
9 - PVC Pipe 
10 - PVC 
11 - PSC Pipe 
12 - MS Pipe 

Code for Size (mm) - Field: size_of_pipe_mm
1 - 100
2 - 150
3 - 200
4 - 250
5 - 300
6 - 350
8 - 400
9 - 450
10 - 500
11 - 600
12 - 700
14 - 750
15 - 800
16 - 900
17 - 1000
18 - 1100
19 - 1200
23 - 1600
29 - 225
30 - 125
31 - 160
32 - 1050