Municipal Administration And Water Supply Department Tender

Brick work in Cement Mortar 1:6 (One cement and six sand) using best quality of country bricks of size 8-3/4" x 4-1/4" x 2-1/4" for foundation and basement including curing, etc., complete complying with standard specifiction.

Plastering with Cement Mortar 1:5 (One cement and Five sand), 12mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Supplying and delivery of D.I. pipes and specials of approved quality of departmental officers including loading ,unloading,insurance fright charges etc complete as per std specification

150 mm dia Ductile iron socket/spigot pipes for class K7 as per 8329/2000

150mm dia DI flanged pipe 4.00 length

150mm dia DI flanged pipe 2.00 length

250mm MS pipe

100 mm GI pipe

100mm GI bend

100mm GI coupler

100mm GI Tee

Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials)

150mm dia D.I.pipe

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to with IS- 638(1979) and M.S. bolts and nuts of IS 1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc.,

150mm dia D.I double flanged pipe

Labour charges for Lowering of D.I Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the TWAD Officers.

150mm dia D.I.pipe

Refilling with excavated earth for pipe line trenches after laying of pipe line with proper gradient and testing etc., complete

Supply and delivery of Openwell Submersible pumpset conforming to IS14220/2002 and asamended thereafter and BEE3 Star Rated capable of discharging 2000 lpm and 40 mtr head duties due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze mixed type impeller,CIFG200 grade casing and brass screws and rotor shall be of copper rod as per IS613/1984 with ISI mark.The pump suitable for installation in sump with1.1KVgrade3core suitable copper flat submersible cable to a length of 15m with necessary cable joints.The non-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction.The pumps hould be directly coupled to 2880 RPM ,three phase, 50Hz(±5) ,415V+6%&415V-15% squirrel cage induction motor suitable for DOL upto 5HP,FullyAutomatic Air break Star Delta upto 20HPandAutoTransformer starter for above 20 HP starting and for continuous operation.

2000lpmX40m head

1500lpmX80m head

Pvc insulated and sheathed 3 core 16.00 Sq .mm flat type copper cable conforming to IS 694/1990

Supply and delivery of 30 HP Star-Delta starter where panel boards are available confirming to IS 13947 and IEC60947-1 suitable 22 KW rating for operation in AC/three Phase/50HZ (+/- 5%) and 415V (+/- 10%) including 3 pole magnetic contactor with under voltage release - 3 nos., CT operated Ammeter(65 mm dia) with suppressed scale, Voltmeter (65mm dia), Voltmeter selector swicth, Minature circuitr braeker, Thermal Overload relay, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, wiring with 1 sq.mm/4 sq. mm copper pvc insulated cable, powder coated vermin proof box, including the capacitor (the cost of capacitor is to be taken separately).

Moulded case circuit breaker(MCCB) with thermo magnetic release 4pole 200 range

Labour charges for the erection of submersible pumpset in well /sump including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of well /sump.

Above 20 HP to 30 HP

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

100mm DI sluice valve

150mm DI sluice valve

250mm DI sluice valve

Manufacture, Supply and Delivery of DI D/F Slanted seat Swing Check Valve. Body of ductile cast iron of Grade GGG 40 or equivalent grade and disc of ductile cast iron GGG 40 or equivalent grade with fully encapsulated EPDM rubber, where both faces can be used. Electrostatic epoxy powder/liquid coating (EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 250 microns. The EPDM rubber & Epoxy Powder should be approved by W 270. (EP-P) it is a resi-coat powder approved for drinking water application, applied through fusion bonding process by dipping the shot-blasted casted components heated up to 200 deg C). Face to face dimensions as per EN558-1, series 48 and flange connections as per EN 1092-2/IS 1538.

100mm DI non return valve

150mm DI non return valve

Manufacture, Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM /Neoprene rubber for TWAD Board works anywhere in Tamil Nadu.

100mm DI Single flange air valve