Varanasi Development Authority Tender

Construction of granular sub-base by providing close graded Material conforming to specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer- in-Charge.(DSR 2023 SI NO 16.78)

6.78.1 With material conforming to Grade-l (size range 75 mm to 0.075 mm) having CBR Value-30 (DSR 2023 SI NO 16.78)

Concrete with 4cm. gauge approved stone ballast, approved coarse sand and cement in the proportion of 8:4:1 including supply of all materials labour and tools and plants etc. required for proper completion for the work.(SOR 2020 SI NO281)

Supply and laying of 125 micron polythene sheet under the foundation (for anti salt peter treament ) or over sub-base to act as separation between sub-base and conc. Slab (for c.c. road ) including supply of all materials,labour t and p required for proper completion the work.(SOR 2020 Si no NS)

Providing and laying design mix cement concrete of M-30 grade, in roads/ taxi tracks/runways, using cement content as per design mix, using coarse sand and graded stone aggregate of 40 mm nominal size in appropriate proportions as per approved & specified design criteria, providing dowel bars with sleeve/ tie bars wherever required, laying at site, spreading and compacting mechanically by using needle and surface vibrators, levelling to required slope/ camber, finishing with required texture, including steel form work with sturdy M.S. channel sections, curing, making provision for contraction/ expansion, construction & longitudinal joints (10 mm wide x 50 mm deep) by groove cutting machine, providing and filling joints with approved joint filler and sealants, complete all as per direction of Engineer- in-charge (Item of joint fillers, sealants, dowel bars with sleeve/ tie bars to be paid separately). Note:- Cement content considered in M-30 is @ 340 kg/cum. Excess/less cement used as per design mix is payable/ recoverable separately. (DSR 2023 SI NO 16.43)

Cement concrete manufactured in automatic batching plant (RMC plant) including transportation to site in transit mixer (DSR 2023 SI NO 16.43.2)

Patch Repair

45-63 MM Stone ballast Hand broken (RMR Rate SI NO- 8, RMR RATE schedual attached)

Consolidation of 45-63mm stone ballast (Inter coat) 10 cm. thick loose by road roller excluding cost of roller charges., but including repairing of patches picking up old surface spreading ballast making mendhies to retain water and carriage of metal upto 30m, carriage & water upto 200m.( PWD SOR 2021 SI NO-753)

Granular sub-base/base/surface course with local materials (Table 400.13) by mix in place method normal Construction of granular sub-base by providing local material spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at once and compacting with smooth wheel roller to achieve the desired density complete as per Clause 401.4 as per Technical Specification Clause 408.( PWD SOR 2021 SI NO-408(11)/4.11)