Construction of Extra Class Room (10 NOS) and Toilet Block at Rajkiya Inter College Duddhi District-Sonebhadra (U.P.)

CONSTRUCTION OF EXTRA CLASS ROOM 10 NOS & TOILET BLOCK AT RAJKIYA INTER COLLEGE DUDDHI, DISTT.- SONEBHADRA.

Civil

Excavation of foundation in ordinary soil (loam clay or sand) including lift upto 1.50 meter and lead upto 30 meter and including filling, watering and ramming of excavated earth into the trenches or into the space between the building and sides of foundation trenches or into the plinth and removal and disposal of sur-plus earth as directed by the Engineer incharge up to a distance of 30 meters from the foundation trenches.

Filling of carted Earth.

Sand filling in plinth including supply of necessary quantity of sand from a distance not exceeding 8 kms. from the site of work and including watering, dressing etc rate to include cost of all materials labour T & P etc required for proper completion of work.

Providing and laying in cement concrete 1:4:8 (1 cement :4 coarse sand :8 graded stone aggregate 40 mm nominal size) and curing complete, including cost of form- work,in foundation and floors.

Providing and injecting chemical emulsion for preconstructional antitermite treatment and creating a chemical barrier under and alround 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 junction of wall and the floor 7.5 liters /sqm (5) Treatment of soil along external perimeter of building 7.5 liters/sqm (6) Treatment of soil under apron along external perimter 5 liters/sqm. (As per manufacturer's standard dilution)

R.C.C. work with cement approved coarse sand and 20 mm. guage approved stone grit in the proportion of 1:1.5:3 (1 cement : 1.5 coarse sand : 3 stone aggregates) in lintels of doors and windows excluding supply of reinforcement and its fixing and binding the same with 24 BWG binding wire and including necessary centering and shuttering etc.and also including supply of all materials, labour and tools and plants etc, required for proper completion of the works. strength of the concrete shall not beless than M-20.