Construction of control room building, boundary wall, approach road, yard levelling, gravelling and water supply arrangement at 33 KV S/S Nangli Megha (Ramgarh)

PART-A

1.31 Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1 m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared.

1.34 Supplying chemical emulsion in sealed containers including delivery as specified. Chlorpyriphos/Lindane emulsifiable concentrate of 20%

1.36 Diluting and injection Chloropyrifos Emulsifiable concentrate 20% with 1% concentration for PRE-CONSTRUCTIONAL Anti termite treatment as per IS 6313 part III as amended from time to time and creating a continuous chemical barrier under and around the column pits, wall trenches, basement excavation, top surface of plinth filling, junction of wall and floor along the external perimeter of building expansion joints, over the top surface of consolidated earth of which aproch is to be laid surrounding of pipes and conduits etc. complete as per specification (Plinth floor area only shall be measured for payment and excluding the cost of chemical emulsion) .

1.8 E/W in excavation by mechanical means (hydraulic Excavator )/ manual means in foundation trenches or drains (not exceeding 1.5m in which or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift up to 1.5 m, including taking out the excavated soil and depositing and refilling of jhiri with watering &ramming and disposal of surplus excavated soil as directed with in a lead of 50 meter. All kinds of soils.

Providing and laying in position cement concrete including curing, compaction etc. complete in specified grade excluding the cost of centering and shuttering - All work up to plinth level. (A) 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size). (3.1.6)

(B) "M15 grade Nominal Mix 1: 2: 4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size)." (3.1.2)

RR stone masonry for with hard stone in foundation and plinth in CSM above 30cm thick wall in CM 1:6 (1cement :6 Sand) (6.1.6)

Add extra for Random Rubble stone masonry with hard stone in (A) Wall upto 30cm. and less thickness. (6.3.4)

4.1 Providing and laying in position specified grade of cement concrete for all RCC structural elements upto plinth level including curing, compaction, finishing with rendering in cement sand mortar 1:3 (1 cement: 3 coarse sand) and making good the joints and cost of plastizers( if required) excluding the cost of centering, shuttering and reinforcement. M20 grade Nominal Mix / Design Mix