Construction of Extra Class Room (04 Nos) and Toilet Blck at Rajkiya Inter College, Chapaki District-Sonebhadra (U.P.)

Construction of Extra Class Room (04 Nos) & Toilet Blck at Rajkiya Inter College, Chapaki District-Sonebhadra

Civil

Excavation in foundations in ordinary soil (Loam clay or sand) including lift upto 1.5 m (5 fts.) and lead upto 30 mt. (100 fts.) & including filling, watering and ramming of excavated earth into the trenches or into the space between the building and the sides of foundation trenches or into the plinth and removal and disposal of surplus earth as directed by the Engineer-Incharges upto a distance of 30mt. (100 fts) from the foundation trenches.

Filling of carted earth.

Providing and laying cement concrete 1:4:8 (1 cement :4 coarse sand :8 graded Stone aggregate 40 mm nominal size) including supply of all materials, labour T & P rtc required for proper completion of the work and curing complete also including cost of formwork in foundation & floors.

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 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.

Providing and laying in position specified grade of reinforced cement concrete, including the cost of centering, shuttering, finishing and excluding reinforcement - All work up to plinth level : 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size )