CPWD DSR item 5.49 rate analysis

Constructing cast-in-situ RCC diaphragm wall by providing and laying machine batched, machine mixed, self-compacting, ready mix reinforced cement concrete, tremie controlled, of M grade using minimum 350 kg cement per cum of concrete including providing and mixing required admixtures in recommended proportions as per IS: 9103, as approved by the Engineer-in-charge, for achieving 150-200mm slump, for diaphragm wall having thickness as per approved structural design not exceeding 600 mm, in panels of required depth and lengths as per approved drawing, including constructing necessary guide walls as required. Reinforced cement concrete grade M-25 using minimum cement content 330 kg/cum (considering moderate exposure condition as per IS 456: 2000) as required as specified including boring in all kinds of soils and rocks, including working in or under water and/or liquid mud, in foul conditions and pumping or bailing out of water and removing slush, including disposal of earth/rock/slush etc. for all leads and all lifts, including preparing, providing and re-circulating bentonite slurry in the trench as and when required for all depths, including agitating bentonite slurry during trenching etc., providing and fixing stop ends or form tubes, upto the required depth of diaphragm wall including extracting the same after casting, including chipping off the bentonite adulterated concrete or unsound concrete up to the cut off level for obtaining the sound concrete, dressing undulations on the exposed face of diaphragm wall after excavation by chipping/chiselling etc. including filling the depression/cavities with sound concrete etc. complete and as directed by the Engineer-in-charge, including providing recess for bearing plates and fixing insert boxes for inclined rock anchors etc. complete as per the specifications and approved design and as directed by the Engineer-in-charge, but excluding the cost of reinforcement and inserts.