Working Estimate for 186 Flats out of 372 TNGRHS Flats at Alangulam Colony in Pudukkottai under the Annual Maintenance of TNGRHS

Amount

Maintenance

Supplying and fixing of PVC cylindrical vertical single piece moulded seamless HDPE cylindrical water storage tank of capacity 700 litres with top lid with provision for locking, free from cracks and warping to withstand the different weathering conditions and normal stress including cost and convayance to the work site and labour charges for fixing etc;.complete as directed by the departmental officers(storage tank should be got approved by the competent authority before use). The quality & brand should be got approved by the competent authority.before use with ISI mark engraved on the PVC tank.

Supplying and fixing of 110mm dia. PVC SWR pipe A Type for Rain water down fall pipe conforming to IS13592 with ISI mark and fittings conforming to IS 14735 , with necessary C I gratings, shoes, bends, offset ,clamp, teak wood plug, GI Bolts and Nuts, etc., of approved quality and including fixing C.I. gratings at the junction of parapet and floor or roof slab , including finishing etc., complete complying with relevant standard specifications. and as directed by the departmental officers.

Supplying and fixing of solid PVC door shutters using 19 gauge 19mm MS sq.tubes for styles and outer frames. 15mm MS sq. tubes for top,lock and bottom rails the steel tubes shall be covered with 5mm thick solid PVC sheets. Shutter using 5mm thick solid PVC sheets for panelling shall rigidly fixed in position including necessary furniture and fitting. The overall styles shall be 50x30mm.The overall size of top rail, lock rail and bottom rail shall be 75mmx30mm.The overall size of frames shall be 50x45mm,with suitable rebate for housing the shutters.

Sub Total

GST at 18%

C KRISHNASAMY