supply of design, manufacture, supply, installation, testing, commissioning and maintenance of heavy-duty elevator of machine room less type and gear less type 13 no. passenger capacity with a speed of 1.0 m/s., centre opening sliding door, double door type with two stops and two openings as per rdso specification no. rdso/2013/em/spec/0016/ (rev 2) - 2025 or latest with a warranty of two years and comprehensive annual maintenance contract for a period of 10 years after completion of warranty period of two years (rate for comprehensive annual maintenance contract for a period of 10 years after completion of warranty period of two years to be quoted separately apart from rate of elevator). the elevator shall be equipped with lift working / failure information through gprs enabled sms alert system, cctv inside the lift car connecting to security systems through wireless /wifi and audio announcement features. the lift shall be suitable to be connected to web- based application software lr-niyantrac provided by cris (centre for railway information systems) or any other web-based software application engaged by railways for monitoring various parameters of lift. warranty-two years after successful commissioning and acceptance of the elevators.design, manufacture, supply, installation, testing, commissioning and maintenance of heavy-duty elevator of machine room less type and gear less type 13 no. passenger capacity with a speed of 1.0 m/s., centre opening sliding door, double door type with two stops and two openings as per rdso specification no. rdso/2013/em/spec/0016/ (rev 2) - 2025 or latest with a warranty of two years and comprehensive annual maintenance contract for a period of 10 years after completion of warranty period of two years (rate for comprehensive annual maintenance contract for a period of 10 years after completion of warranty period of two years to be quoted separately apart from rate of elevator). the elevator shall be equipped with lift working / fai