Annual Maintenance of Rolling Shutters in various Building at CFB, New Animal House, Field House, Engg. Hall 9, 10 and 11 for the year 2025-26, North Site, BARC, Trombay, Mumbai.

Servicing of the following type of rolling shutters of all sizes up to maximum size of 6m x 7m overhauling of individual parts for repairing and refixing after repairs i.e top hood shaft cage, shaft case, shaft brackets, springs, main curtain with lathe or mid bar type grills, wicket gate, side guides bottom rails, gear units, bearings, electric motors, starters and thoroughly cleaning all the components, adjusting the tensioning springs, if required overhauling or repairing shaft and gear units, re-conditioning end clips, re-aligning curtain ends, reconditioning dents if any, on the surface bottom rail and side guides, repairing the starter, inspecting, taking out and replacing the damaged or defective components (replacement of parts at extra rate is shown under item no. 2 below), ensuring proper locking arrangements from both side and out side including all welding, drilling, straightening, grinding,scaffolding, laddes, tools, tackles, with all consumables, such as lubricants, kerosene, grease etc. and all hardwares such as nuts, bolts, rivets, screws, washers, keys, etc., cleaning, oiling, greasing and demonstrating proper functioning of the shutters after each service such as nuts, bolts, rivets, screws, washers, keys and necessary scaffolding etc. all complete as per direction of Engineer-in-charge at site. a) Electrically operated type with lathe or grilled curtain, mechanical gear operated and pull & push type rolling shutters. (All types of Rolling shutters) Note : 1) Measurement will be done twice for each shutter provided the servicing gap of 12 months within the contract period. 2) The measurement of Rolling shutters will be as per structural openings. Hood etc. will not be measured separately.

G.I .lathe sections 75mm wide & 18g thick

M. S. bottom rails (pressed type 10G with locking arrangement, handles, etc. in both ends and sides.

Providing, supplying , fabricating and assembling Shaft asembly for Rolling shutters using Heavy M.S. Pipes, springs & ring pully complete including erection.

Providing, supplying , fabricating and fixing M.S. hood cover with 0.90 mm thick M.S sheet with supports for rolling shutters complete including erection

Providing, supplying and fixing M.S. guide channals with supports for existing rolling shutters complete including erection.

Providing, supplying and fixing gear wheel to existing rolling shutters complete including erection. 250 mm Dia

Providing, supplying and fixing gear wheel to existing rolling shutters complete including erection. 325 mm Dia

Supplying and replacing in position wherever required the following parts or spares after removing the damaged old part carefully including all labour, taxes, duties, transport, welding, drilling, grinding, tools, tackles etc. and with applying one coat of primer wherever required as directed by the Engineer at site. a) Gear worms