Annual maitenance work

Cleaning the storm water drain with various sizes including collection of all unwanted leaves, precast slab removal & replacement , silt and other unwanted debris materials, removal and disposal of the same with a lead of 200 metres etc complete and as directed by the Engineer in charge

Cleaning of chocked sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial desilting of manholes and dechocking of sewer lines. Dechocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 PSI for sewer line from 150mm dia upto 300mm all complete and as directed by the Engineer in charge.

Removing Sewage water with sludge from Septic tank / Champers/ Pipe lines by using mechanical equipments to remove the effluent and conveying the sludge's by tanker lorry (minimum capacity 9000 litrs) and disposal at out side of campus as a approved area by a corporation including loading and unloading, removal and replacing the cover slabs, cleaning in and around the area of septic tank / champers / Gully area complete and as directed by the Engineer in charge.

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 upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. (a) All kinds of soil.

Supplying and filling in plinth with M.sand under floors, including watering, ramming, consolidating and dressing all complete as per specification and as directed by the Engineer in charge.

Providing and laying plain cement concrete 1:4:8 using 25mm maximum size graded aggregates including mechanical mixing, transporting and placing in required position, ramming, compaction, levelling, curing, shuttering, dewatering if any, complete all as per specification for levelling courses in foundation for walls, footings, floor drains etc., encasing pipes and other required works complete all as per specifications and as directed by Engineer-in-Charge

Providing and placing in position factory made machine batched & machine mixed Precast RCC perforated drain covers, manhole chamber cover and of various sizes, of M-25 grade cement concrete for RCC work, including cost of centering, shuttering, reinforcement of 8 mm dia TMT bars of Fe 500 grade @ maximum 100mm c/c on both ways, neat cement punning on finished surface, properly encased on all edges, providing 2 Nos. 12 mm dia bar for hooks etc including cost of cartage, all leads & lift, handling at site etc. all complete as per direction of Engineer-in-Charge.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 200 metres lead as per direction of Engineer - in – Charge.

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 200 metres lead as per direction of Engineer-in-charge. (a) In cement mortar

Brick work with non modular fly ash bricks conforming to IS:12894, class designation 10 average compressive strength in super structure above plinth level up to floor V level in : Cement mortar 1:6 (1 cement : 6 Coarse sand)