Provision of Tactile Tiles at stations under SSE/works/MNI in Ratnagiri region of Konkan Railway in the state of Maharashtra.

A-CPWD DSR 2021 (Earthwork and CC work)

2.1 Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5 m in width as well as 10 sqm on plan including getting out and disposal of excavated earth upto 50 m and lift upto 1.5 m, as directed by Engineer-in- Charge: 2.1.1 All kinds of soil Above/

4.1 "Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :" 4.1.2 "1:1½:3 (1 Cement: 1½ coarse sand (zone- III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)" Above/

15.23 Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead." 15.23.1 For thickness of tiles 10 mm to 25 mm 15.23.1 "For thickness of tiles 10 mm to 25 mm

B-CPWD DSR 2021 (Precast Coping slab)

16.68 Providing and laying 60mm thick factory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge. Above/

11.20 Chequerred precast cement concrete tiles 22 mm thick in footpath & courtyard, jointed with neat cement slurry mixed with pigment to match the shade of tiles, including rubbing and cleaning etc. complete, on 20 mm thick bed of cement mortar 1:4 (1 cement: 4 coarse sand). 11.20.1 Light shade pigment using white cement Above/

16.90 Providing and laying tactile tile (for vision impaired persons as per standards) 3 of size 300x300x9.8mm having with water absorption less than 0.5% and conforming to IS:15622 of approved make in all colours and shades in for outdoor floors such as footpath, court yard, multi modals location etc., laid on 20mm thick base of cement mortar 1:4 (1 cement : 4 coarse sand) in all shapes & patterns including grouting the joints with white cement mixed with matching pigments etc. complete as per direction of Engineer-in-Charge. Above/

16.83 Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of serviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge. Above/

16.84 Laying old cement concrete interlocking paver blocks of any design/ shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer- in- charge. (Old CC paver blocks shall be supplied by the department free of cost).