Annual maintenance of rolling shutters in infrastructure buildings at FRFCF project site, Kalpakkam

Amount

Servicing the rolling shutters and the scope of work includes overhauling & greasing of shutters, gear mechanism, maintenance of electrical accessories like shutter duty motors, limit switches, electrical starters, electrical wiring connections from TPN, functionality check and replacing defective spare parts (if required). The rate shall be inclusive of cost of grease, general cleaning, filling oil in gear set, and replacement of bolts and nuts, screws, pins etc. but excluding cost of spare parts which will be paid separately as directed by the Engineer-in-Charge. Rate is for one time operation and is valid and effective for 6 months without any operational problem from the date of overhauling.) Note:- Payment / Measurement will be made based on the clear structural opening dimension and hood will not be measured.

Manually operated Shutters

Electrically Operated Shutters

Repairing of steel rolling shutters of various sizes and various types such as hand operated, electrically operated etc. as per specification and as directed by the Engineer-in-Charge including welding, scaffolding, bolts, nuts, inspection of loose connection/open circuit, changing of connecting cable etc as per the scope excluding spare parts which will be paid separately against relevant item etc. complete all as directed by the Engineer-in-Charge.

Manually operated Shutters

Electrically Operated Shutters

Providing and fixing new spare parts of best approved quality as follows.

0 Gauge springs

00 Gauge springs

Worm wheel

Worm Pinion

Gear box with wheel (Three bevel wheel model)

Lath section (18 gauge thick)

End clips

Ball bearing

MS heavy duty shaft - 50mm dia

MS heavy duty shaft - 60mm dia

MS bottom lock plate of 3.15mm thick 125mm width with stiffeners 40x40x6mm angle beading etc. complete.

Limit Switch

Mild steel Hood Cover thickness not less than 0.9mm thick

Sliding Lock

Motor Belt

MS Motor Guard

Push Button Starter

Motor Bearings

Maintenance of TPN switches Fuse Units & starters (Refer Sec VI (MNC), Clause No.17.2).

Motor starters

Overhauling, Painting and test running of the following single/three phase motors as per the scope of work (Refer Sec VI (MNC), Clause No.24) as and when directed by EIC

For capacities above 0.5 HP

For capacities above 0.5 HP & up to 12.5 HP

Roller Drum, Guide Channel and Structural Steel

SS 304 manual chain