proposal for supply of stores for tech shed - tech shed: - supply of prefabricated shelter of size 18000mm x 14000mm. the avg height of shelter will be 7.0 mtr from finished floor level to rafter haunch. the manufacturer to ensure that all the materials incorporated should comply to relevant bureau of indian standard ( is-12778 / din 1025 ) specifications ( isi mark ) and will be of good finish & as per specified size. the shelter shall be erected on 600mm high ( above gl ) random rubble masonry plinth all as per drawing attached. the floor shall be finished with 50mm thick pcc type b-1 ( 1:2:4 ) over pcc subbase type d-2 ( 1:4:8 ) .the rate of the shelter including all necessary nut bolts and washers as per manufacturer’s instructions complete all the steel surface of structural member shall be applied with two coat of synthetic enamel paint over one coat of red oxide primer.