External Drainage Works
Drainage is important function and should happen without any obstruction, if this stop functioning, a customers / owners of house get dis satisfied with the quality of work done and the company looses potential buyers due to this, as it stands as negative advertisement for company. All points must be check during execution of external drainage works.
Checklist of External Drainage Works consist of following checkpoints in it;
Procedures to be followed before external drainage
Procedures to be followed during external drainage
Procedures to be followed after external drainage
Sample checklist for external drainage work is attached herewith.
Checklist is a important record it helps us in order to get work done correctly and it ensure we do not miss any point to check which is important from aspect of Quality of work.
Checklist attached herewith is just a sample provided for your reference, work carried out as per this procedure may have different sets of standards, material specifications, standard operating procedures and terms and conditions for doing that work. This all parameter or some parameter may not match with one you are executing at your Project.
Kindly use it as reference document only to create Checklist. You are free to modify edit, delete add any content in it and use it as per your requirement.
Drainage is important function and should happen without any obstruction, if this stop functioning, a customers / owners of house get dis satisfied with the quality of work done and the company looses potential buyers due to this, as it stands as negative advertisement for company. All points must be check during execution of external drainage works.
Checklist of External Drainage Works consist of following checkpoints in it;
Procedures to be followed before external drainage
- Approved plumbing drawings available on site
- Marking of pipelines on outer walls done
- Positions of outlet pipes marked and holes drilled as specified
- Sufficient gap kept between wall surface and pipes
Procedures to be followed during external drainage
- All vertical lines are in plumb
- Invert levels of Inspection Chambers checked
- BB Masonry Inspection Chambers plastered from inside and outside
- Jointing of C. I./ PVC / SWG /SWR/ RCC pipes done as specified
- Slope of the entire drainage line as specified
- Anti-siphon pipe directly connected to water closets
- Branch lines joining main sewer line as specified
- Rain water pipes provided with 45 degree shoe at bottom
Procedures to be followed after external drainage
- All traps / Inspection chambers cleaned as specified
- Cleaning carried out from top floor to bottom floor
- Gravity Pressure Testing carried out as specified
- Leakages, if any, are corrected after Pressure Test as specified
- Masonry holes rendered with non-shrink grout
- Sewer / Anti-siphon pipes provided with vent cowls with mosquito nets
Sample checklist for external drainage work is attached herewith.
Checklist is a important record it helps us in order to get work done correctly and it ensure we do not miss any point to check which is important from aspect of Quality of work.
Checklist attached herewith is just a sample provided for your reference, work carried out as per this procedure may have different sets of standards, material specifications, standard operating procedures and terms and conditions for doing that work. This all parameter or some parameter may not match with one you are executing at your Project.
Kindly use it as reference document only to create Checklist. You are free to modify edit, delete add any content in it and use it as per your requirement.
