supply of soft blanket of superior quality with 4 cm wide ( each side ) continuous piping on all boundaries ( not less than 4 stitches per cm ) of check pattern in dark brown / dark grey or similar dark shade. a ) dimensions - 215 cm x 120 cm ( variation + / - 2% ) b ) fiber content - 60% wool ( minimum ) , 15% nylon ( minimum ) , balance other suitable fiber. c ) weight g / m2- 450 gsm ( tolerance + / - 5% ) d ) breaking load ( min ) on 15cmx20cm ( strip ) ( i ) warp way- 110kgf ( ii ) weft way-85kgf, ( iii ) ends per inch - 25 ( min. ) , ( iv ) picks per inch - 20 ( min. ) , weave- 2 / 2 twill. the percentage tolerance will be as per governing is :894 of 1980 ( latest revision may be referred with above specification ) . e ) the blankets shall be properly washed and shall be free from grease, soap , filling or any other admixture which would give fictitious mass or firmness. the blankets shall be milled and given a raised finish. for sampling , testing and other details , is :894 of 1980 ( latest revision may be referred with above specification. f ) marking: a printed strip of size: 7 cms x 5 cms should be stitched of bottom left corner of the blanket with following features in the strip. ( 1 ) name of the railway in hindi & english. ( 2 ) handloom society / mills name and brand. ( 3 ) year & month of the manufacturing ( mm / yy ) . ( 4 ) a.c.service. g ) packing and other parameters will be as per is :894 of 1980 ( latest revision may be referred with above specification ) ( h ) handloom mark issued by ministry of textile should be stitched at one corner [ warranty period: 30 months after the date of delivery ]