bids are invited for constant temperature water bath for accommodating bitumen test specimen electrically operated and thermostatically controlled to accommodate minimum six marshal test specimens , penetrometer automatic type including adjustable weight arrangement and needles for bitumen penetration test as per is 1203 1958 , bitumen laboratory mixer including required accessories 20 ltrs , ductility meter oblique testing apparatus , furol viscometer as per astm d 2161 , softening point test apparatus ring and ball app , digital thermometer , riffle sample splitter model no ers 12 pt 5 chute width half inch made of ms powder coated , gas stove and cylinder , centrifuge extractor motorised capacity 1500g , glass ware compressing beakers pipettes measuring cylinders 100 to 1000 cc and metallic thermometers range up to 300 degree c , hot plates 200 mm dia 1500 watt , laboratory electric oven with digital indicator cum controller with safety alarm range 50 degree to 250 degree c plus oblique minus 1 degree c with air circulating fan , marshall stability test apparatus with 100 kn proving ring and automatic compactor and mould for marshall and modified marshall test for 4 inch and 6 inch dia , core drilling machine with diesel engine 5hp with 01 no of 100 mm diameter diamond impregnated core drill bit , standard pycnometer oblique specific gravity bottle 50ml wide mouth , analytical balnce