Tender For Providing Roofing At Guest House; 1 Providing chemical anchoring in RCC roof slab as per manufacturer recommendation & as directed by EIC by using suitable tools, machineries, equipment & installing M12 bolt with 2 nos of nut, at minimum depth 80mm as per the spacing given in the drawing. The bolt should be well tighten by manual or machineries. Details as per Sl No 1 in BOQ 2 Supply, fabrication & erection of GI structural hollow tubular, rectangular, square sections for truss, lattice girder, column, rafter, purlins and other supports as per structural drawing issued departmentally and as directed by Engineer in charge.Details as per Sl No 2 in BOQ 3 Embedding of all column support concrete using M 20 grade concrete (as per IS 456) with minimum cement content of 320 kg/m3 of concrete by using 20-12 mm downgraded stones, machine mixed, mechanically vibrated, consolidated, curing, necessary form work including usage of quality material as approved, cost, conveyance, lead, lift of all materials, labor, necessary scaffolding etc. Details as per Sl No 3 in BOQ 4 Supply & laying sandwich type roof panel of PU foam 30mm thick, colour coated galvalume roof sheet at top of 0.45mm thick, 150GSM coating, galvalume sheet of 0.35mm thick at bottom, cutting, laying, fixing using suitable self-tapping screws with EPDM washer as per manufacturer recommendation & as directed by EIC. The design, profile, colour of sandwich panel shall be got approved from EIC. Details as per Sl No 4 in BOQ 5 Supply, laying & fixing of zincalume (aluminium zinc alloy) roof sheet of thickness 0.5mm (TCT), AZ-150 GSM coating, 550 Mpa tensile strength, for roofing, all accessories such as curves, ridge, industrial trafford profile, grey colour, including fixing with suitable size SS/ Alloy coated self tapping screws of size 5.5mm x 55mm for metal roofing to existing purlin, applying weather resistant silicon sealant over the screws etc. Details as per Sl No 5 in BOQ 6 Supply and installation of uPVC gutter of size of about 320X250mm of length 3m each for diverting rainwater from roof and a weight 3kg per meter with a holding capacity of 52 liter/metre as directed by Engineer In-charge.Details as per Sl No 6 in BOQ 7 Supply and installation of uPVC gutter of size of about 220X250mm of length 3m each for diverting rainwater from roof and a weight 3kg per meter with a holding capacity of 52 liter/metre as directed by Engineer In-charge.Details as per Sl No 7 in BOQ 8 Supply & fixing PVC pipe of 140mm dia or nearest, 4 kg/cm2 pressure rating for rain water down take from roof gutter,(roof sheet)including suitable specials such as bends, tees, elbows etc. Details as per Sl No 8 in BOQ