cameroon gce advanced level water supply and drainage networks processes 3

cameroon gce advanced level water supply and drainage networks processes 3

cameroon gce advanced level water supply and drainage networks processes 3

I- PRESENTATION :
For the installation of a kitchen, you are requested to install a kitchen sink as indicated on the execution plan of page 3.
The cold water distribution network is in PVC pressure pipe of nominal diameter 25mm. The supply pipe
starts from the riser coming from the lower floors.
The domestic hot water distribution network is in Alu- plastic compression pipe of ϕ 16mm. The hot
water pipe starts from an electric hot water pipe which is located at the lower floor levels.
I- TECHNICAL SPECIFICATIONS :

Label Designation Label Designation
1 PVC drainage pipe of ϕ 63 7 90° bend on PVC pressure pipe 25 and Alu
plastics compression of ϕ 16
2 PVC offset Tee 45° branch + PVC1/8 elbow
of ϕ 63+ PVC reduction 63/40
8 PVC pressure pipe of ϕ 25
3 PVC drainage pipe 40 9 Cross over on PVC pressure pipe of ϕ 25
4 PVC offset Tee 45° branch + PVC 1/8 elbow
of ϕ 40 + PVC reduction of ϕ 63/32
10 Socket on PVC drainage pipes of ϕ 63 and ϕ 40
5 Alu- plastic compression pipe of ϕ 16 11 Cross over on PVC pressure pipe of ϕ 25 and
Alu-plastics in compression pipe of ϕ 16
6 Brass compression Tee fitting 16

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