remodeling/rehabilitation of w/c at rd 94500/r jd 3 -- 1 d/d credit of old bricks 2 supply and fixing of rcc panel size 27`` x 27`` 3 supply of rcc lids size 21`` dia 4 supply, carriage and laying of 100 micron polythene under bed lining. 5 10 mm cement plaster finished with a floating coat of neat cement of mix 1 :4 (1 cement : 4 coarse sand) as per based on hsr item no.11.8.1. 6 brick work of bed of watercourse 7.62cm thick 1st class brick work with common brunt clay non modular bricks of class designation 10.50 in foundation and plinth cement mortar 1:4(1 cement : 4 coarse sand) plus dressing bed and preparation of sub grade for lining by mechanical / manual means as per based new hsr 2021(latest amendments) item no. 7.21.1 plus as per item no 14.1.