Important points for backfilling

Important points for backfilling

1) Backfilling work shall not start until Site Engineer gives his approval to do so. Material used for backfilling shall be any one or combination of soil types mentioned

Antitermite Treatment to plinth and external perimeter of building

Antitermite Treatment to plinth and external perimeter of building:

1) Treatment shall also be given over the entire plinth area prior to laying PCC. Recommended dosage is 5 litres / sq. m of area to be treated.

Antitermite treatment during backfilling

Antitermite treatment during backfilling

1) Antitermite solution being highly poisonous as well as inflammable, utmost care shall be taken during their handling. Wearing of hand gloves to avoid skin contact as also wearing of masks to avoid inhalation is recommended.

Post Excavation Procedures

Post Excavation Procedures:

 Antitermite Treatment to sides of excavated pits:

1) Antitermite treatment solution shall be prepared on site by mixing solution mentioned.

2) Antitermite treatment in foundation shall start after site Engineer gives his permission to do so. Treatment shall be complete with treatment of soil underneath the foundation as well as to the sides of the excavated pits to form a total barrier between foundation and excavated pits.

(backfill) Storage of Raw Material

C) Storage of Raw Material

a) Soil for backfilling:

1) Excavated materials which in the opinion of Site Engineer are useful shall be stacked in regular heaps, bunds with regular slopes. Such stacking shall be done within the lead (50 m or as specified).


2) Stacks of soil shall be properly leveled for providing natural drainage.

( PART 2) Excavation and Backfilling with AntitermiteTreatment

Anti termite spraying

B) Water:

By mere observation, water should be clean and free from dirt and organic matter. Waste (treated) water from STP can be considered suitable for compaction of backfill material.