Repair and Construction of open drains, deep sewer lines, manholes, chambers and dustbins, etc. on peripheral approach in common areas excluding residences and departments at IIT Roorkee

Added for Extra cartage of manure or sludge by Mechanical Transport including loading, unloading and stackin beyond 5 Km upto 10 km. Actual distance from IIT Roorkee .

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over 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-incharge

All kinds of soil

Close timbering in trenches including strutting, shoring and packing cavities (wherever required) complete. (Measurements to be taken of the face area timbered).

Depth not exceeding 1.5 m

Depth exceeding 1.5 m but not exceeding 3 m

Open timbering in trenches including strutting and shoring complete (measurements to be taken of the face area timbered):

Depth not exceeding 1.5 m

Depth exceeding 1.5 m but not exceeding 3 m

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, lead up to 50 m and lift upto 1.5 m.