C O OFFICE BUILDING FOR KSHETRADHIKARI GHORAWAL IN DISTRICT SONBHADRA

Earth work in filling in campus cartege earth any. DSR-1.2.2

Surface dressing of the ground including removing vegetation and inequalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m. All kinds of soil. DSR-2.28.1

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavatedearth lead upto 50 m and for all lift, as directed by Engineer-in-harge. All kinds of Soil. DSR-2.6.1

Filling available excavated earth (excluding rock) in trenches, plinth, sidesof foundations etc. inlayers not exceeding 20cm in depth, consolidatingeach deposited layer by ramming and watering, lead up to 50 and for all lift. DSR-2.28.1

1:4:8 (1 Cement : 4 coarse sand (zone-Ill) derived fromnatural sources : 8 graded stone aggregate 40 mm nominalsize derived from natural sources) DSR-4.1.8

1:2:4 (1 cement : 2 coarse sand (zone-lll) derived fromnatural sources : 4 graded stone aggregate 20 mm nominalsize derived from natural sources)1:2:4 (1 cement : 2 coarse sand (zone-lll) including. DSR-4.1.3

Providing and laying damp-proof course 40 mm thick with cementconcrete 1:2:4 (1 ement : 2 coarse sand (zone-lll) derived fromnatural sources : 4 graded stone aggregate 12.5 mm nominal size derived fromnatural sources) supply of all materials labour and T&P etc. required for proper curing and shuttering as necessary. DSR-4.1

Providing & applying a coat of residual petroleum bitumen of grade of VG-10 of approved quality using 1.7kg per square metre on damp proof course after cleaning the surface with brushes and finally with apiece of cloth lightly soaked in kerosene oil. DSR-4.13

Supplying and filling in plinth with sand under floors, including watering,ramming, consolidating and dressing complete. DSR-2.27

Providing and injecting chemical emulsion for preconstructional antitermite treatment and creating a chemical barrier under and around the column pits wall trenches basement excavation top surface if plinth filling junction of wall and floor, along the the external perimeter of binding expansion joints, surrounding of pipes and conduits etc, complete (plinth area of the building at ground floor only shall be measured as per I.S.6313(PartII 1981) Alderine emulsifiable concentrate or any other approved material such as Heptrachlor or Chlordane will be used. The rate of application of chemical emulsion shall be as follows : (1)Treatment for masonary & foundation 5 liters per sqm. (2) Back fill in immediate contact with foundation 7.5 liters/sqm (3) Treatment of top surface of plinth filling 5 liters/sqm (4) Treatment of soil along external perimeter of building 7.5 liters/sqm. (5) Treatment of soil under apron along external perimter 5 liters/sqm. DSR-2.35.3.1