Day 20 - Drainage

I had scheduled the BCO to visit today as the builders wanted them to approve the drainage before covering it.

Photo 1
At 10:30 the BCO was on-site and identified a few areas of the drainage that could be improved. He suggested to replace the three 90 degree bends in the above photo with a single larger 90 degree bend to ease the flow of the waste and also to turn the inspection chamber it connects into so that the foul waste enters through the main run (at the back of the chamber)
Photo 2
 Photo 2 shows the foul waste now with the larger radius 90 degree bend which looks a lot more tidier. The inspection chamber still needs to be moved though.

Photo 3
Photo 3 shows the modified drainage when standing at the back of the extension. The large upright pipe is for the sink in the utility room
Photo 4
Photo 4 shows the additional waste pipe that will be connected from the sink. The pipe in the background will be collecting foul from the upstairs bathroom via the vertical soil pipe that is visible in the photo, but we are looking to run it through the rafters of the roof so that we don't have to have the soil pipe running inside our kitchen.
Photo 5
The BCO wasn't too keen on how the storm-water pipe was connecting into the chamber shown in Photo 5.
Photo 6
Photo 6 shows the chamber and pipe from Photo 5 having been removed. He also suggested to move the large chamber shown in Photo 1 from being on the corner (i.e 90 degrees) to be between two 45 degree bends, thereby easing the flow.

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