bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - office space; fermentor; service provider pertains to the procurement, installation, and servicing of components essential for the optimal functioning of a laboratory-scale fermentor system used for fermentation studies, particularly for the production of bioethanol from fermentable sugars derived from potatoes. the items listed are integral to ensuring sterile, controlled, and efficient fermentation processes. 1. ph probe/sensor description: online ph probe/sensor compatible with fermentation systems, capable of continuous monitoring of ph during the fermentation process. specifications: sterilizable in-situ at 121°c and 15 psi. designed for autoclave cycles and cip/sip (clean-in-place/steam-in-place) compatibility high chemical resistance and long-term stability in bioethanol fermentation media purpose: real-time monitoring and control of ph, a critical parameter influencing microbial activity and ethanol yield. 2. silicon tube 3x6mm (10 m)-06 meter description: autoclavable, food-grade silicone tubing with an internal diameter of 3 mm and an external diameter of 6 mm. specifications supplied in 6-meter length from a 10-meter roll. temperature resistance up to 200°c high flexibility, non-toxic, and non-reactive with fermentation media. purpose: suitable for nutrient feed, sampling, and gas transfer lines in the fermentor setup. 3. silicon tube 6x8mm (3 m) description: high-quality, sterilizable silicone tubing with an internal diameter of 6 mm and an external diameter of 8 mm. specifications: supplied in 3-meter length. designed for fluid transfer under sterile conditions. resistant to acids, alkalis, and alcohol solutions. purpose: used for large-volume fluid handling such as media input/output and condensate drainage. 4. repair & service of magnetic coupling of fermentor total quantity :