ADDN/ ALTRN TO SNCOs MESS AT AF STN DIGARU.

Demolition of brick work built in cement mortar complete all as specified and as directed.

Dismantling old broken floor hearth or wall tiling including cement mortar bedding (but not backing) and rubbish off the premices complete all as specified and directed.

Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out in soft/loose soil complete all as specified and directed

Excavating in trenches in soft/loose soil, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out complete all as specified and as directed.

Treating the backfill in contact with foundation at the rate of 7.5 litres of emulsion per square metre of vertical surface (Area of the sub structure in contact with backfill to be measured) complete all as specified and as directed.

Treating the top surface of filled earth at the rate of 5 litres of emulsion per square metre of surface complete all as specified and as directed.

Treating the soil under plinth protection at the rate of 5 litres of emulsion per square metre of surface area complete all as specified and as directed.

Treating the soil along with external perimeter of building at the rate of 2.25 litre of emulsion per metre of the perimeter wall complete all as specified and as directed.

M&L PCC 1:4:8 type D2 (40mm graded aggregate) as in foundation, filling & mass concrete complete all as specified and directed..

Returning filling in including spreading levelling watering and well ramming in layers n.exc 25cm deep as in soil complete all as specified and as directed.