supply of pre cast pre fired blocks (pcpf)pre cast pre fired blocks (pcpf),design and supply of pre cast pre fired blocks (pcpf) for delta zone of gec arc furnace as p er rwf specification number rwf/m/specn-1/132/2023. note:1. offered pcpf blocks should be designed to suit tubular roof inner ring procured at rwf as per drawing number 751200111730 and lining arrangement as per lined area shown in drawing number rwf/sk/mw-351 alt a (last page of specification). the roof can be designed in multiple pieces also but not more than 10 numbers.2. all the individual pieces should be pro vided hooks for easy handling and fixing with the help of eot crane.3. supplier is responsible for correct fit ment and alignment of electrodes delta roof. firms technical representative can visit rwf anytime for takin g measurement. [ warranty period: 30 months after the date of delivery ] ]