Minor

Excavation in all kinds of soil including boulders upto 0.3 m diameter for canal, seating of embankment, filter drains / catch water drains etc., including dressing bed and sides to required level and profile, cost of all materials, machinery, labour, placing the excavated soil neatly in dump area or for the formation of service road / embankment as directed etc., complete with initial lead upto 1 km and all lifts.(IRR-CAW-1-1) As directed by the Engineer-in-Charge.

(Excavation for Structures- Mechanical Means) Earth work in excavation in all kinds of soils of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. IRR-CCDW-1-2 As directed by the Engineer-in-Charge.

Providing hearting / casing embankment with homogeneous soil from approved borrow areas in layers of 25 cm before compaction including cost of all materials, machinery,labour, all operations such as excavation, sorting out, transporting, spreading in layer of specified thickness, breaking clods, sectioning, watering, compacting each layer to density control of not less than 95 percent or as stipulated by Sheep foot roller / Vibratory roller/ 8 to 10 tonne power roller etc., complete with initial lead upto 1 km and all lifts.IRR-CAW-2-7 As directed by the Engineer-in-Charge.

Excavation in hard rock (including F&F rock) requiring blasting including boulders above 0.6 m upto 1.2 m dia. for canals, seating of embankment, filter drain / catch water drains etc., including dressing bed and sides to required level and profile, cost of all materials, machinery, labour, placing the excavated rock in dump area or for formation of service road as directed etc., complete with lead upto 1 km and all lifts. (IRR-CAW-1-5) As directed by the Engineer-in-Charge.

Providing and laying insitu vibrated M-10 ( 28 days cube compressive strength not less than 10 N / sq mm ) grade cement concrete using 40 mm down size approved, clean, hard, graded aggregates for foundation filling including cost of all materials, machinery, labour, formwork, cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc., complete with initial lead upto 50 m and all lifts. (Cement content: 220 kg / cum with use of super plasticiser (0.4% by wt. of cement), CA : 0.90cum, Blending Ratio of CA--50:30:20, FA : 0.40 cum) (IRR -CCDW-2-5) As directed by the Engineer-in-Charge.

Providing and laying insitu vibrated M-15 ( 28 days cube compressive strength not less than15 N / sq mm ) grade cement concrete using 40 mm down size approved, clean, hard, graded aggregates with placing and sinking plums of size 150 to 80 mm upto 15 percent for gravity type retaining walls / piers / abutments etc., including cost of all materials, machinery, labour, formwork, scaffolding, cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc.,complete with initial lead upto 50 m and all lifts. If water is to be brought from other place add only lead charges @ 500 ltr / cum. (Cement content: 260 kg / cum with use of super plasticiser(0.4% by wt. of cement), CA : 0.765cum, Blending Ratio of CA--50:30:20, FA : 0.34 cum, plums of size 150 to 80 mm : 0.25cum) (IRR-CCDW-2-21) As directed by the Engineer-in-Charge.

Providing and Constructing 30 cm thick dry rubble stone pitching ncluding cost of all materials,labour,hand packing, finishing etc.,complete ( rubble stones : 0.33 cum/sqm) IRR-CAW-8-4 As directed by the Engineer-in-Charge.

Cost and Supply of 600 mm dia RCC Socket and Sspigot (NP3- class) Hume Pipes including cost and conveyance of all materials to site fo work as directed by the Department. As directed by the Engineer-in-Charge.

Cost and Supply of 150 mm dia RCC (NP2- class) Hume Pipes including cost and conveyance of all materials to site fo work as directed by the Department. As directed by the Engineer-in-Charge.

Cost and supply of Collars 150 mm dia as directed by the Department. As directed by the Engineer-in-Charge.

Providing and laying insitu M- 20 ( 28 days cube compressive strength not less than 20 N / sqmm ) grade cement concrete using 20 mm down size approved, clean, hard, graded aggregates for wearing coat including cost of all materials, machinery, labour, formwork, cleaning, batching, mixing, placing in position in alternate panels, levelling, compacting, finishing, curing, packing joints with asphalt mortar etc., complete with initial lead upto 50 m and all lifts. Requirement of materials : For 1 cum CC :- Coarse aggregates : 0.80 cum, Blending ratio : 65 :35 Fine aggregate : 0.45 cum, Cement content : 330 kg Super plasticizer : 1.32 kg IRR-CCDW-2-26 As directed by the Engineer-in-Charge.

Providing rubble and Murum filling in layers of 22.5 to 30 cm including cost of all materials, machinery, labour, watering, ramming etc., complete with initial lead upto 50 m and all lifts. IRR-CAW-5-2 (gravel backing) As directed by the Engineer-in-Charge.

Providing and laying insitu vibrated M-20 ( 28 days cube compressive strength not less than 20 N / sq mm ) grade cement concrete using 40 mm down size approved, clean, hard, graded aggregates for foundation filling including cost of all materials, machinery, labour, formwork, cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc.,complete with initial lead upto 50 m and all lifts. ( Cement content : 310 kg / cum ) IRR-CCDW-2-7 As directed by the Engineer-in-Charge.

Providing and laying insitu vibrated M-20 ( 28 days cube compressive strength not less than 20 N / sq mm ) grade cement concrete using 20 mm down size approved, clean, hard, graded aggregates for columns and beams including cost of all materials, labour, machinery,formwork, scaffolding, cleaning, batching, mixing, placing in position, levelling, vibrating,finishing, curing etc.,complete with initial lead upto 50 m and all lifts.IRR-CCDW-2-25 As directed by the Engineer-in-Charge.

Providing and laying insitu vibrated M-20 ( 28 days cube compressive strength not less than 20 N / sq mm ) grade cement concrete using 20 mm down size approved, clean, hard, graded , aggregates for troughs including cost of all materials, machinery, labour, formwork, scaffolding, cleaning, batching, mixing, placing in position,levelling, vibrating, finishing, curing etc., complete with initial lead upto 50 m and all lifts.IRR-CCDW-2-27 As directed by the Engineer-in-Charge.

Providing, fabricating and placing in position reinforcement steel bars for RCC works including, cleaning, straightening, cutting, bending, hooking, lapping, welding wherever required,tying with1.25 mm dia soft annealed steel wire, including cost of all materials, machinery, labour etc.,complete with initial lead upto 50 and all lifts.IRR-CCDW-2-1 As directed by the Engineer-in-Charge.

Laying and jointing 600 mm dia. NP- 3 class or IRC standard hume pipes in CM 1 : 2 proportion by volume including cost of all materials ( excluding pipes and collars ), machinery, labour, aligning, packing joints with hemp, finishing, curing etc., complete with initial lead upto 50 m and all lifts. (Cement content: 24.8 kg / joint, FA : 0.025cum/joint, Hemp Yarn : 0.22kg/joint) As directed by the Engineer-in-Charge.

Providing and constructing gabion structures for erosion control, river training works and protection works with wire crates made from 4 mm galvanised steel wire @ 32 kg per 10 sqm having minimum tensile strength of 300 Mpa conforming to IS:280 and galvanizing coating conforming to IS:4826, woven into mesh with double twist, mesh size not exceeding 100 mm x 100 mm, filled with boulders with least dimension of 300 mm, all loose ends to be securely tied with 4 mm galvanised steel wire.RBR-PTWK-22 As directed by the Engineer-in-Charge.

Providing and constructing contraction joints by fixing 23 cm wide central bulb type PVC water stop in single line supported by 10 mm dia steel dowel rods on either side at 1 metre interval including cost of all materials,machinery, labour, valcunising joints etc., complete with all leads and lifts. IRR-DAW-4-5 As directed by the Engineer-in-Charge.