Balance work for excavation, cement concrete lining, Structures and black topping of service road of Baitarani Left Bank Canal (BLBC) from RD.0.00 Km to 28.50 Km.

Earthwork in excavation of canal by Mechanical means in all kinds of soil including sand, silt, loam clay mud, stiff and hard clay, hard red earth, shale, stoney earth, gravel, moorum interspread with boulder upto 1/2 cum volume, including trimming the slopes and bed to proper profile and transporting useful excavated materials by mechanical means and laying on properly prepared and scientifically approved surface of bank of canal in filling section and spreading the earth in 22.5 cm thick to receive compaction if required useful excavated material for reuse afterward as per direction of Engineer-in-Charge and unuseful soil in spoil bank as required with all leads, lifts, delifts, loading and unloading including cost component and maintenance of coffer dam, diversion arrangement, dewatering and removal of the same after completion of the work including the cost of tools and plants, all materials, all taxes, labour cess, with mobilization and demobilization maintenance charges with all incidental charges to complete the item of work as per design, drawing, specification and direction of the Engineer-in-Charge. (Measurement will be taken on finished level section only)

Excavation, loading & carriage by mechanical means in medium hard rock (can not be scapped or peeled with knife, hanheld specimen can be broken with single moderate blow with pick ) in canal, foundation & cut-off trenches of earth dam & other deep cutting by means of Rock Breaker with all lifts, delifts including trimming the bed & slopes to designed finished section, loading into & transportation by taransport vehicle within all lead & depositing the excaveted materials neatly in specific dump yard including the cost of tools and plants, all materials, all taxes, labour cess, with mobilization and demobilization maintenance charges with all incidental charges to complete as directed by the Enginerer-in-charge.(Measurement will be taken on finished level section only)

Providing and watering earth work up to OMC condition and compaction by Vibratory Roller and dozers in layers not exceeding 22.5cm to 95% dry density including mobilization, demobilization and hire and running charges of all the machineries, T&P, taxes, cess, labour for all heights of embankment etc. complete as per specification and direction of Engineer-in-Charge. (Measurement to be taken on the finished compacted section of the fill under OMC condition)

Fine dressing and turfing the canal embankment, slopes with approved quality of compacted dub grass including collection and supplying the same from approved site including loading, unloading, conveyance charges, royalty and all other taxes, labour cess with all leads, lifts & delifts and specification including cost of mobilization, demobilization, supplying all machineries, equipments, materials. and labour required for the work supervision charges including cost of watering and making arrangements till survival of grass to its full growth with all incidental charges to complete the item of work as per direction of Engineer-in-Charge(Measurement will be made on covered area only after full growth and servival of turf for a reasonable period).

Providing and spreading graded sand of approved quality and specification on compacted surface of longitudinal & transverse drains in filter blanket and horizontal filter zone below canal lining to designed thickness in proper line and grade including cost, carriage, royalty, EMF,DMF,Additional charge, taxes of all materials, labours, cess and T&P etc. required with all leads, lifts & delifts to complete in all respect as per drawings, specification and direction of Engineer-in-Charge.

Collecting, supplying and spreading of graded filter of hard crusher broken granite chips of size 40mm to 20mm in filter drains of canal to proper slope & level using removable sheet metal separator as per design and drawing with all cost, carriage, royalty, EMF,DMF,Additional charge and all other charges including watering and ramming to proper compaction including hire charges of machineries, site illumination, mobilisation, demobilisation, construction of coffer dam, approach road, diversion road with its removal after completion of work with all leads, lifts, delifts, T&P etc., all taxes, labour cess as directed by the Engineer-in-Charge.

Collecting, supplying and spreading of graded filter of hard crusher broken granite chips of size 20mm & down graded in filter drains of canal to proper slope & level using removable sheet metal separator and horizontal filter zone below canal lining to design thickness in proper line and grade as per design and drawing with all cost, carriage, royalty EMF,DMF,Additional charge as applicable including watering and ramming to proper compaction including hire charges of machineries, site illumination, mobilisation, demobilisation, construction of coffer dam, approach road, diversion road with its removal after completion of work with all leads, lifts, delifts, T&P etc., all taxes, labour cess as directed by the Engineer-in-Charge.

Providing and laying Cohesive Non-Sweling Soil (CNS) preferably moorum satisfying CNS properties in canal bed and slopes in layers not exceeding 100mm, watering upto OMC condition and compacting by vibratory rollers/ plate vibrators to each layer to required density and finished to proper line and grade manually for laying cement concrete lining with cost, carriage, labour, royalty, EMF,DMF,Additional charge as applicable and taxes of all materials including hire and running charges of all the machineries, T&P required for the work and cess etc complete as per approved drawings, specification and direction of Engineer-in-Charge. ( Measurement of fill will be taken on finished compacted sections after deducting the volume of trench cutting for sleeper beams & drains. The rate includes compacting the CNS layer to wider sections and cutting to design sections for laying cement concrete lining as directed).

Providing and laying admixture of moorum and sand of approved specification of (60:40) in Wet Mix plant in canal bed and slopes in layers not exceeding 100mm, watering upto OMC condition and compacting by vibratory rollers to each layer to required density and finished to proper line and grade manually for laying cement concrete lining including cost, carriage, labour, cess, royalty, EMF,DMF,Additional charge as applicable and taxes of all materials including hire and running charges of all the machineries, T&P required for the work etc complete as per approved drawings, specification and direction of Engineer-in-Charge. ( Measurement of fill will be taken on finished compacted sections after deducting the volume of trench cutting for sleeper beams & drains. The rate includes compacting the admixture layer to wider sections and cutting to design sections for laying cement concrete lining as directed).

Providing and fixing 160mm dia 6 kg/Sqm perforated PVC pipe of required length in longitudinal/traverse drain in proper alignment and joining with araldite to facilitate proper drainage of water including cost, carriage,cess and taxes of all materials and labour including all leads, lifts & delifts etc. complete and as per the drawing, specification and direction of Engineer-in-Charge.