bids are invited for prefabricated mobile bullet proof sentry post 123 2 thickness-65 mm 105 mm ( tolerance ) 3 window size each plate should have 02 fining ports window of size 175 +5 mm x 125 +5 mm with adequate overlapping window will be made of bullet proof glass 45 mm distance between bp glass and firing port should have 80 mm 4 width + / -5mm-900 mm centre plate 750mm ( left plate & right plate ) 5 height + / -5mm 1900 mm ( left plate, centre plate & right plate ) 6 height of firing ports: the height of the firing port shall be 1500 and 890 mm respectively from the bottom to facilitate fining from knee bend as well as standing position however, user should have the option to keep only one fining port and location of the port as per requirement weight, max-bp morcha consisting at the three plates with all fements should not be more than 350 kg constructional paramater