Civil Rectification and Strengthening Work of Control Room Building At 33/11 Kv Substation-Chhapka, Kone and Dubeypur, District-Sonebhadra.

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead. (Code No. 15.56)

12 MM Cement plaster 1:3 (1 cement: 3 coarse sand) finished with a floating coat of neat cement.. (Code No. 13.9.1)

Providing and laying water proofing treatment on roofs of slabs by applying cement slurry mixed with water proofing cement compound consisting of applying: (a) after surface preparation, first layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound @ 0.253 kg/sqm. (b) laying second layer of Fibre glass cloth when the first layer is still green. Overlaps of joints of fibre cloth should not be less than 10 cm. (c) third layer of 1.5 mm thickness consisting of slurry of cement @ 1.289 kg/sqm mixed with water proofing cement compound @ 0.670 kg/sqm and coarse sand @ 1.289 kg/sqm. This will be allowed to air cure for 4 hours followed by water curing for 48 hours. The entire treatment will be taken upto 30 cm on parapet wall and tucked into groove in parapet all around. For the purpose of measurement the entire treated surface will be measured. ( Code No. 22.6)

Earth work in excavation for all kinds of soil by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and for all lift, as directed by Engineer-in-charge. (Code No. 2.8.1)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources). (Code No. 4.1.10)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in Cement mortar 1:6 (1 cement : 6 coarse sand). (Code No. 6.1.2)

Cement concrete 40 mm thick with 20 mm nominal size stone aggregate flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete. (Code No. 11.3.1)

Providing and fixing glass strips in 40 mm wide and 4 mm thick joints of terrazo/ cement concrete floors.(Code No. 11.13.1)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure Cement mortar 1:6 (1 cement : 6 coarse sand) above plinth level up to floor V level in all shapes and sizes in : (Code No. 6.4.2)

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level.Cement mortar 1:4 (1 cement :4 coarse sand) (Code No. 6.13.2)