Andhra Pradesh Medical Services And Infrastructure Development Corporation Tender

Absorptive false ceiling for roof ceiling Supply and installation of 12.5mm thick micro perforated gypsum plaster board of 3mm square perforations (minimum 13% of perforated area) backed with 50mm thick 1000GSM polyester wool Construction of Frame work Frame work shall consists of GI perimeter channels of size 0.55mm thick (having one flange of 20mm and another flange of 30mm) fixed along with perimeter of the beam or walls with the help of nylon sleeves and screws at 600mm c/c. Then suspend GI main channels of size 45 mm (0.9mm thick with 2 flanges of 15mm each) from the soffit at 1200mm c/c by using soffit angle of size 25mm x 10mm x 0.55mm thick fixed to true ceiling by using suitable fasteners. Cross channels of size 0.55mm thickness having knurled web of 51.5mm and two flanges of 26mm each with lips of 10.5mm are then fixed to the main channel with the help of connecting clips and in a direction perpendicular to the main channel at 300mm c/c Cavity Filling Ceiling frame work shall be back lined by using polyester wool having density of 1000 GSM and 50mm thick Boarding A layer of 12.5mm thickness fiber reinforced micro perforated gypsum plaster board of size 1200 x 2400 mm having perforations of minimum of 13% is fixed on to frame work. Micro perforated gypsum boards used shall have RH 90% and fire rating A2-s1, d0 Finishing Ensure that board is fixed in plumb level, screw fix gypsum plaster board to channel, cover screw with compound and sand the surface. Joints of gypsum plaster board to be finished by using jointing tapes and compound.Final finishing is done with two coats of acrylic emulsion paint of approved colour as directed by engineer in charge Note : 1.Vendors to submit all valid test certificates (Acoustics and fire) 2. Refer drawings for suspension heights

Wall-Reflective wall panelling Supply and installation of 12 mm thick B.W.P ply finished with 1 mm thick laminate on all visible sides backed with 50mm thick 1000 GSM polyester wool insulation Construction of Frame work Frame work consists of minimum 50mm GI stud with fully knurled surface of 0.55 mm thick, 50mm width and two equal flanges of 34mm is fixed on to the GI support made of required height, First the wall plate is fixed on to the wall using suitable fastners at every 1200mm C/C in both the directions and an MS hallow box section of 40mmX40mm with 5mm thick is welded to the wall plate, this is used to give the support to the MS gride of 600mmX600mm which is placed at a distance of 480mm from the wall. Cavity Filling The frame work shall be back lined by using polyester fiber having a density of 1000 GSM and 50mm thick held in position by using GI weld mesh Boarding 12mm thickLaminared plywood (8mm plywood and 1mm laminate) of approved finish is then fixed to GI frame work by using suitable fasteners and ensure proper level of the panel surface. Finishing Ensure plywood is in plumb level and finish by using laminate of approved shade and colour

Wall-Absorptive wall panelling Supply and installation of 17mm thick micro perforated wood having 2mm perforation and 8mm pitch backed with polyester wool of density 1000GSM x 50mm thick with Laminared finish Construction of Frame work Frame work consists of 25mm thick GI wall channels with fully knurled surface of 0.55mm thick 80mm width, having two equal flanges of 26mm. A GI wall channel is fixed to the walls in horizontal direction with the help of suitable fastners at 600mm c/c then an another 25mm thick GI wall channel is fixed vertically over the horizontally laid wall channel at 600mm c/c Cavity Filling The frame work shall be back lined by using polyester wool having a density of 1000 GSM and 50mm thick Boarding 17mm thick micro perforated wood having 2mm perforation and 8mm pitch is fixed on the frame work. Finishing Ensure board is in plumb level and screw heads to be covered with compound and sand the surface. The screws are painted with manufacturer supplied paint matching the colour of the board/panel. The finishing of board is of veneer finish. Note 1. Vendors to submit all test certificates (Acoustics and fire) 2. Refer drawings for over all depth of the system