jjm 2020 21 setting up upgradation operation of laboratories for wqms procurement of 9 nos fume hood and erection of motor and duct pipes for various quality control laboratories of kerala water authority , jjm-2020-21-jjm-2020-21-setting up / up-gradation /operation of laboratories for wqm&s-procurement of 9 nos . fume hood and erection of motor and duct pipesfor various quality control laboratories of kerala water authority , supply of fume hood and erection of motor and duct pipes with the following specificationshood of size l = 1200mm , d = 940 mm , h= 2300 mm or more fabricated with 1 mm gi sheet powder coated body , with a working table of size 1200x600x900mm minimum and bottom stand provided with cupboard and drawers . the inner surface to be covered with 3 mm thick heat resistant acid proof , corrosion resistant material vinyl/frp . the working table to be covered with acid proof granite slab of thickness 20 mm provided with water tap and poly propylene sink . the equipment shall be provided with acid proof fittings , gas/air cock , additional power points , and diffused fluorescent tube . the exhaust system to be consisted of dynamically balanced epoxy pp/ frp coated impeller coupled with suitable tefc industrial/crompton make or equivalent minimum 1 hp motor with motor cover fitted outside the fume hood , so as to avoid sound and improve suction . suction should be from the bottom of the fume hood . the duct to be provided with 200/300 mm dia poly propylene/frp pipe and provided with rain hood . the face velocity shall be 0 . 5m/s to 0 . 75m/s . the front glass shutter to be provided with auto lifting door having opening height min 0 . 75 m . power supply 415 v , 50hz . ce/iso certificate to be provided . iq , oq and pq documents to be submitted . hard copy of instrument manual with specification details to be submitted . warranty 3 year for the entire unit . erectionerection of fume hood and pump as per direction of departmental officers in respective labs . erection of exhaust duct pipes as per above specifications which shall be extended upto the top storey of the building ensuring occupational safety and health