Development of New A site RO at location Between Kerkhabari Chariali and Naranarayan Setu on NH 17 on LHS while going from Kerkhabari Chariali towards Naranarayan Setu, District Bongaigaon, Assam under Guwahati Divisional office

LAND DEVELOPMENT

Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm. depth dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth within premises

CONSTRUCTION OF SALES BUILDING

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30 cm in depth, 1.5m in width as well as 10 sqm on plan) including taking out and disposal of excavated earth within or outside site to unobjectionable place and lift upto 1.5m, as directed by Engineer-in-charge. Disposed earth to be levelled and neatly dressed. Extra for levelling & neatly dressing of disposed soil completely to be paid separately as per item no. MPLCN00600

i) All kinds of Soil

Extra for every additional lift of 1.5m or part thereof in excavation or banking excavated or stacked materials in all kinds of soil

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, within premises and lift upto 1.5m

Supplying and filling in plinth with sand within specified grading zone of fine aggregates specified in table 3.1, clause 3.1.3 of attached specifications under floors, etc. in layers not exceeding 20cm in depth, each deposited layer to be compacted by ramming including watering, consolidating and dressing complete.

i) Local Fine Sand within grading zone IV

Providing and laying damp-proof course 40mm thick with cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 12.5mm nominal size). Item includes providing & mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer's specifications. Providing & applying a coat of residual petroleum bitumen of grade VG-10 of approved quality using 1.7kg per square metre on damp proof course after cleaning the surface with brushes & finally with a piece of cloth lightly soaked in kerosene oil