supply of set of compreg cl s for 20 nb pipe with packing, bolt, nut and spring washer. , set of compreg clamps for 20 nb pipe with packing, bolt, nut and spring washer. drawin g no. : as per kit details. material and specification : [(i) for items at sl. no. 1 & 2 impregnated compre ssed laminates. (ii) for items at sl. no. 3, 4 & 5 as per drawing] and conforming to rdso,s spec. no. w d-20-abr-2007, amendment no. 2 of september 2016. kit details as per annexure-a enclosed. [ warr anty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]