bids are invited for puff panel erection - a) erection of 0.45mm thick c-channel external steelppgi sheet and 0.30mm thick c-channel internal steel ppgi sheet with screwing and bolting. provide 1m gap for each screwing. all ms tubes to be painted.b) erection of 50mm thick sandwich puff (polyurethane foam) panel (renac/alfa/jindal) withflashing into the c channels for cabinet walls withprovision of window cut-outs.c) erection of c-channel over the puff panel forfurther roofing work.d) erection of 50mm thick puff panel for providingroof for the cabinet.it should withstand weight of 2persons (min.100kg each) for doing shop maintenancejob over the cabinet roof.e) drawing and details attached. , flooring and leveling - a) filling and clearing the ground gaps. providing ½inch thickness cementing and leveling.b) applying ¼ inch thickness epoxy flooring coat.c) filling of floor gaps and leveling with cementmortar 1:4 12mm/required thickness.d) epoxy floor coat brand/make of material -indigo, roff pidilite, weber , door fitment with acp board (aluminium composite panel - a) fitment of entry and exit doors size 7ft x 3ft eachwith non-corrosive hinges.b) provision of proper handles and lock set with keys.c) provide closures 2nos each for doorsd) refer the drawinge)acp board thickness – 3mm, framework of thedoor using aluminum panel using brand malabar.upper portion of door is plane glass 5 mmthickness , window glass - a) powder coated aluminum window (algiria sliding)1.3mm thick/door 1.2 thick with toughened plain glass5mm thickness.b) refer the drawingc)toughened glass will be better if safety is considered. additionally, window roller blinds to be considered.spec details and alternate brands of windows.1) window algeria slide is used,2) aluminium brand is malabar. a - aluminium door section thickness – 2 inch b - aluminium door one side thickness – 1.5mmc - aluminium window section thickness – 2.5inchd - aluminium window one side thickness – 1.5mm , distribution board and mc