URGENT REPAIR AND STRENGTHENING OF SEVERE DAMAGED SEWER LINE AND MACHINE HOLES AT MAIN SEWER LINE NEAR H. No. 3137 TO 3142, H. No. 3045 TO 3049 AND H.No. 3033 TO 3038 SECTOR 39D AND OTHER ALLIED WORKS UNDER THE CHARGE OF SDE MCPH 13, CHD

Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil. (As per DSR I. No. 2.8.1)

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. All kinds of soil. (DSR I. No. 2.26.1)

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 manufactured sand derived from recycled concrete aggregate (RCA): 10 graded stone aggregate 40 mm nominal size. (DSR I. No. 4.1.10A)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand i/c manufactured sand derived from recycled concrete aggregate (RCA) upto 25% : 4 graded stone aggregate 40 mm nominal size Recycled concrete Aggregate (RCA) upto 25% (NSI based on DSR I.No. 4.1.4A)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:4 (1 cement : 4 coarse sand) (DSR I.No. 6.1.1)

12 mm cement plaster finished with a floating coat of neat cement of mix : 1:4 (1 cement: 4 fine sand) (DSR I.No. 13.7.2)

Providing orange colour safely foot rest of minimum 6mm thick plastic encapsulated as per IS: 10910 on 12 mm dia steel bar conforming to IS : 1786 having minimum cross section as 23 mmX25mm and over all minimum length 263 mm and width as 165 mm with minimum 112 mm space between protruded legs having 2mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture’s permanent identification mark to be visible even after fixing, including fixing in manholes with 30X20X15 cm cement concrete block 1:3:6 (1 cement: 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) complete as per design. (DSR Item NO. 19.16)

Centering and shuttering including strutting, propping etc. and removal of form for : Suspended floors, roofs, landings, balconies and access platform (DSR I.No. 5.9.3)

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) (DSR I.No. 5.3)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more. (DSR I.No. 5.22.6)