Erection and de erection of scaffolding in main plant buildings item no 1 supply of ms clamps as bs 1139 or approved equivalent required to clamp 40 nb scaffolding pipes as per boq qty 6 mt , custom bid for services - item no 2 supplying of ms clamps as per bs 1139 or approved equivalent required to clamp 40 nb scaffolding pipes bracings and handrails etc as per boq qty 4 mt , custom bid for services - item no 3 erection and de erection of scaffolding using standard ms pipes and clamps and couplers and longitudinal and inclined and transverse bracings and base plates and scaffold planks etc as per boq qty 270000 cum , custom bid for services - item no 4 erection and de erection of scaffolding using standard ms pipes and clamps and couplers and longitudinal and inclined and transverse bracings and base plates and scaffold planks and toe boards etc as per boq qty 1.. , custom bid for services - item no 5 erection and de erection of scaffolding using aluminium pipes and clamps and couplers and longitudinal and inclined and transverse bracings and base plates and scaffold planks and toe boards and logs etc as per boq.. , custom bid for services - item no 6 erection and de erection of scaffolding using aluminium pipes and clamps and couplers and longitudinal and inclined and transverse bracings and base plates and scaffold planks and toe boards and logs etc as per bo.. , custom bid for services - item no 7 providing and application of epoxy paint 150 micron dft apcodur cf641 cs of asian or berger or akzonabel as per boq qty 6000 sqm , custom bid for services - item no 8 attending jobs or activities for maintenance of scaffolding pipes or gratings or ladders or clamps etc by deploying one number of semiskilled or unskilled supervisory manpower for 9 hours duration as per boq qty 56..