BANGLADESH POWER DEVELOPMENT BOARD TENDER ... - BPDB

18.5.5 Carpentry And Joinery(1) TimberAll timber shall be of best quality, perfectly dry and well seasoned, sawn diesquare, free from sap, shakes, wanly edges, large loose or dead knots and allother defects and shall be to the approval of the Board.(2) PreservativeTimber to be used in shower rooms or in contact with the ground floor, shall betreated with an approved preservative against rot or termite attack. The backs orframes to be fixed to walls and all other bedding surfaces shall be painted withtwo coats of preservative before fixing. All fixing blocks, pallets, and other hiddentimber shall be so treated prior to fixing.(3) Joinery FittingsAll timber for Joinery fitting shall be of selected type properly seasoned and dry toa agreed moisture content not exceeding 18%. The Board shall have the right tocheck all timbering used and to reject any timber found to have a moisturecontent exceeding 18%.Joinery fittings and built-in cabinet are to be constructed exactly as shown on theapproved drawings.All work must be carried out by experienced cabinetmakers in a sound andworkmanlike manner with properly fabricated joints, dovetailed, mitred ormortised and with concealed pins and screws. All joints shall be glued beforepinning or screwing.(4) FaultsAny defect in the wood works such as shrinks splits, fractures, etc shall beremoved and replaced to the satisfaction of the Board.18.5.6 Doors And WindowsPrior to furnishing and installing, the Contractor shall submit the shop drawingsindicating shape, dimensions, material including hard wares and locking methodof doors and windows for all buildings for the approval of the Board.The standard requirements of doors and windows are as follows :a. Steel doorsFrame and Stile PlatesStile and PanelThicknessSize: more than 2.3 mm thick: more than l.6mmthick: 80 mm: double door 2.0 x 2.0 msingle door 1.0 x 2.0 m orGhorasal 200 MW to 300 MW Gas Turbine Peaking Power Plant Project (Vol-2 of 3)201