Improvements and Desilting of outlet drains of Bhogapuram airport of Bhogapuram (M) vizianagaram(D)

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

Excavation for Structures- Mechanical Means With 3 Cum per day output 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 and all lifts and as directed by the Engineer-in-Charge (IRR-CCDW-1-2)

Providing mastic pad of 25.40 mm thickness on sides and bed and all lifts and as directed by the Engineer-in-Charge (BM-S-W-20)

Providing and fixing 100 mm dia perforated PVC pipes 40 cm long for Weep holes including cost of all materials, labour, drilling 8 mm dia holes etc. complete with all leads and lifts and as directed by the Engineer-in-Charge (IRR-CAW-7-23)

Providing, fabricating and placing in position reinforcement steel bars for RCC works includingcleaning, 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 and as directed by the Engineer-in-Charge(IRR-CCDW-2-1)

Providing and laying insitu vibrated M-15 ( 28 days cube compressive strength not less than 15 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 and as directed by the Engineer-in-Charge (Cement content: 260 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-2-3)

Providing and laying insitu vibrated M-15 ( 28 days cube compressive strength not less than 15 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 and as directed by the Engineer-in-Charge. 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 )

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 wearing coat including cost of all materials, machinery, labour, formwork, scaffolding, 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 and as directed by the Engineer-in-Charge