bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - open gym equipment; open gym equipment; service provider--earth work in excavation by mechanical means (hydraulic excavator)/manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soll as directed, within a lead of 50 m. 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, lead up to 50 m and lift up to 1.5 m.