Match the following sewer appurtenances with their purpose.
|
Sewer appurtenances |
purpose |
||
|
A. |
Manholes |
1. |
An inclined pipe extended from ground surface and connected to the underground sewer through which sewer will be cleaned |
|
B. |
Lamp holes |
2. |
A street inlet provided to collect grit, sand, debris |
|
C. |
Cleanouts |
3. |
To provide access to sewer so that inspection, cleaning and maintenance can be done |
|
D. |
Catch basins |
4. |
To check the obstructions in sewer |
1
C-1, D-2, A-3, B-4
2
C-1, D-2, B-3, A-4
3
D-1, C-2, A-3, B-4
4
C-1, A-2, D-3, B-4