Urgent Construction of R.C.C retaining wall near 40 MLD pumping station at Podocem in Poriem Constituency

Excavation in Hilly Area in Ordinary Rock by Mechanical Means not Requiring Blasting.( Excavation in Hilly area in ordinory rock not requiring ballsting by mechanical means including cutting and trimming of slopes and disposal of cut Material with all lift and lead upto 1000 metres )

Earthwork in excavation by mechanical means (hydraulic excavator)/manual means over areas(exceeding 30 cm in depth, 1.5 m in width as well as 10 sq.m on plan) including disposal of excavated earth lead upto 50 m and lift upto 1.5m disposed earth to be leveled and neatly dressed including providing barricading, danger lighting guarding as directed in :All kinds of soil All types of Ordinary rock including all types of laterite rock, blasting prohibited

Earthwork in excavation by mechanical means(hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sq.m on plan) including disposal of excavated earth lead upto 50 m and lift upto 1.5m disposed earth to be leveled and neatly dressed including providing barricading, danger lighting guarding as directed in :All types of Ordinary rock including all types of laterite rock, blasting prohibited Extra for additional depth of 1.5 m or part thereof in all type of laterite rocks and hard rocks

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Providing & laying cement concrete 1:3:6 (1cement : 3 coarse sand : 6 graded granitic or basaltic stone aggrt. 40 mm. nominal size)excluding cost of centering, shuttering and finishing in:In retaining walls , return walls(any thk) including attached pilasters, columns, piers, abutments,pillars, posts, struts, buttresses, string or lacing courses, parapets, coping bed blocks, anchor blocks, plain window sills, fillets etc, upto floor five level.

Centering and shuttering including struttings,propping etc.and removal of formwork for :vertical surfaces such asretaining walls , returnwalls, walls (any thk) including attached pilasters,buttresses, plinth and string courses, fillets, etc

Providing and laying in position ready mixed concrete (RMC) with usage of Ordinary Portland Cement manufactured in fully automatic batching plant and transported to site of work in transitmixer for a lead upto 10kms having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work including pumping of R.M.C., from the transitmixer to the site of laying, excluding the cost of centering, shuttering, finishing and reinforcement including the cost of admixtures in recommended porportions as per IS : 9103 to accelerate/retard setting of concrete, improve workability without imparing strength and durability as per the directions of the engineer-in-charge. All works upto floor V level M-30grade of concrete

Extra for carriage of R.M.C. beyond the initial lead of 10 kms.

Providing TMT steel reinforcement bars of (SAIL,TATA. VIZAG, JSW Steel Ltd.) ) (Confirming to IS 1786 of 1986) for RCC work (conforming to I.S. 1786 of 1986) including bending, binding & placing in position in all the floors along with the factory made precast concrete cover blocks of specified sizes whose compressive strength is not less than that of surrounding concrete in the structural member.

Providing weep holes of clear size 15 cms high and 8 cms wide in concrete walls as per drawing and direction of engineer in charge with 30 cms thick jungle wood planks to form a box of clear dimensions of the weep hole and keeping the same in position with a slope of about 1 verticle to 20 horizontal towards drainage face while laying the concrete complete.

18mm cement plaster in two coats under layer 12mm thick cement plaster 1:5 ( 1 cement : 5 coarse sand) and top layer 6mm thick with cement plaster 1: 3 (1 cement : 3 coarse sand) finished with sponge.

Providing and Laying of filter media with grangular material/stone crushed aggregate satisfying the requirement laid down in clause 2504.2.2. of MoRTH specifications to a thickness of not less than 600mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment wing wall and return wall to the full height compacted to a firm condition complete as per drawing and technical specification.

By mechanical transport including loading unloading and stacking: (A) Lime building rubbish manure sludge moorum excavated rock;Earth;1KM

Refilling the pipeline/foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge.

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