Costruction of Toilet at Kokrajhar MB area.

TOILET BLOCK (2 Nos) (Model- I) 2.28.1 Surface dressing of the ground including removing vegetation and in equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m. 2.28.1 All kinds of soil

2.6.1 Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means ever areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in charge. 2.6.1 All kinds of soil

2.25 Filling available excavated earth (excluding rock) in trenches, plinth, sides of Cum foundations etc. In layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

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

2.35.3.1 Diluting and injecting chemical emulsion for pre-constructional anti-termite treatment (excluding the cost of chemical emulsion) :Treatment of soil under existing floors using chemical emulsion @ one litre per hole, 300 mm apart including drilling 12 mm diameter holes and plugging with cement mortar 1:2 (1 cement: 2 Coarse sand) to match the existing floor :With Chlorpyriphos/Lindane E.C. 20% with 1% concentration.

4.11 Providing and laying damp-proof course 50mm thick with cement concrete 1:2:4 (1 cement: 2 coarse sand (zone-III) derived from natural sources: 4 graded stone aggregate 20mm nominal size derived from natural sources).

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

4.1.5 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level: 1:3:6 (1 Cement: 3 coarse sand (zone-III) derived from natural sources: 6 graded stone aggregate 20 mm nominal size derived from natural sources)

4.17 Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement: 3 coarse sand (zone-III) derived from natural sources: 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75mm thick bed of dry brick ballast 40 mm nominal size, well rammed and considated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth.

5.1.2 Providing and laying in position specified grade of reinforced cement Concrete, excluding the cost of centering, shuttering, finishing andreinforcement - All work up to plinth level: 1:1.5:3 (1 cement: 1.5 coarse sand (zone-III) derived from natural sources: 3 graded stone aggrate 20 mm nominal size de rived from natural sources)