bids are invited for mainte of improved design of iaios , ms mesh wire size 12.7 mm x 76.2 mm , ms mesh wire size 2600 mm x 800 mm , punched tape concertina coi , punched tape baby concertina coil , fence post type circular hollow section , truss support post with rail end cap , truss support post with rail end cap ms steel tube , straining y arm for supporting top ptcc , intermediate y arm for supporting top ptcc , razor running tape , omega cl 89 mm dia 35 mm width 3 mm thickness , brace band 89 mm 41 mm width 4 mm thickness , mushroom head bolt with breakable head , eye bolt with loop nut , anchor rod 10mm dia 300mm long , tie wire 1.4mm dia 100mm length , flat cl s for panel connection flat , ss 304 mushroom head bolt, m8x25 , manufacturing sand , aggregate 20mm. , aggregate 40mm. , quick setting compound conforming , ms binding wire , industrial leather safety gloves , heavy duty 4 lbs sledge hamme , steel gurmala planer fabricated from ms steel , cast iron plumb bobs , shovel sq