Maintenance and repair works in malligai nagar OHT at ward 03

Amount

Supplying, erecting STEEL CENTERING for sides and soffits inc supports and strutting for plain surface such as reinforced cement concrete slab and rectangular beams tee or el beams lintels, bed blocks stair case in all floors of any height (the retrived materials should be taken back by the contractor) the payment for centering shall be given by the concrete is laid (bottom only)

Reinforced cement concrete 1:1 1/2 :3 (One cement One and half sand and three aggregate) using 20mm machine broken gauge bard granite jelly for RCC worksthe rate excluding the cost of reinforcement grills,centering and shuttering etc., complete in G.F

Supplying fabricating and placing in position of MS grills for reinforcement rate inc. the cost of steel for all works (the rate to include cost of binding wire also). Below 16mm Dia

Scaffolding charges for Over Head Tank Columns & beams with casurina posts coconut or palm trees wherever necessary for main , form work and providing with non flammable shaped coverings , providing ladder arrangements , country wood pland for working inpection etc, complete hire charges ony for erection maintainance and removing the same on completion of the work - Over Head Tank upto 50 feet heightOVER HEAD TANK

OVER HEAD TANK

Chipping of concrete and roughening the surface PWD Page-22 SL-W-0036, 36.70

Plastering with cement mortar 1:3, 20mm, thick in all floors including cost and conveyance of all materilas to site and labour charges etc, complete as per standard specifications (S.I.306).

Painting one coat with White cement for Priming coat in all floors including cost of lime and other materials brushes scaffolding charges etc.complete complying with standard specification and as directed.-100sq.m S.I.333

Painting two coats of newly plastered wall surface with ready mixed plastic Exterior emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.

Providing spiral stair case including moulding, fabrication and erection and fixing of Post, Jolley, hand rails as directed by Corporation Officers Special Heavy Duty Ladder Top Section - 20 Feet Length

Supply, delivery and installation of water level measuring system up to 1 mm accuracy to measure up to 30 m depth in wells/OHTs/ sumps with suitable sensor, level transducer with transmitter, 2 or 4 wire loop, all wetted parts in SS304 or above and with Remote control and suitable LED display unit easily readable upto 10m distance, cabinet to house remote display unit, Low/High alarm with suitable speaker, suitable cables with data storage capacity for 1 year and data transfer facility and with all required accessories including 1 year free replacement warranty etc., complete.

150mm dia Pressure Gauge and Vaccum guage including all accessories as per specification (For Suction and Delivery to be mounted on wall on Teak Wood Board)

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron ofGrade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 4846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 150mm Valve

ADD GST 18%

P SENTHILKUMAR (BID ID -1366170)