supply of design, manufacture, supply at site, installation, testing and commissioning of heavy duty passenger escalators.design, manufacture, supply at site, installation, testing and commissioning of heavy duty passenger escalators.,design, manufacture, supply at site, installation, testing and commissioning of heavy duty pa ssenger escalators along with energy meter at tambaram railway station and shall be supplied in accordanc e with the requirements of the site, as furnished in the annexure 1. the escalator shall be as per the rdso s pecification no.rdso/pe/spec/tl/0095 (rev 3) -2019 or latest. warranty: 24 months from the date of comm issioning. during warranty period, all scheduled maintenance (as per rdso specification no. rdso/pe/spec/ tl/0095 (rev 3) -2019 or latest, annexure-6 check list ) must be performed for which no extra payment will be made. make -johnson, otis, kone or similar. [ warranty period: 30 months after the date of delivery ] ]