bids are invited for ffl 2/1 total quantity : 4; manufacture and supply of prefabricated field flush latrine of size 3.00m x 3.00m (out to out measurement of puf panel walls) with height 2.40m at front and 2.00m at rear as per drgs att:- (a) 2 x cubicles of size 1.41m x1.62m (internal dimension) (b) verandah. 2.88m x 1.20m closed verandah of puf panel with column ht of 2.0m at the cantilever end all along the length of cubicles. design criteria. (a) seismic co-efficient – as per seismic zone v. (b) snow load - 1 .5 feet standing on roof. (c) wind load - equivalent to wind speed of 55 mtrs/sec as per is875-2015 reaffirmed 2020 (d) roof slope - as per drawing. (e) external temperature – (-) 40 degree c to (+) 35 degree c. (f) water absorption/penetration – nil. (g) termite proofing – termite proof. (h) fire resistant – fire retardant & should not emit toxic fumes. (j) ease of construction – shelter should be modular in design. (k) design load – as per is 875 -2015 reaffirmed 2020