Municipal Administration And Water Supply Department Tender

Earth work excavation and depositing on bank withinitial lead of 10 m and lift of 2 M in narrow trencheshaving bed width 1.25m & below for laying of pipes for water supply and sewerage works in the following Hard stiff clay, stiff black cotton, hard red earth, shales,murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil.

280mm,355 mm &450mm HDPE Pipe

Refilling with excavated soil (other than sand) complying with the standard specification for filling in foundation and basement.

Removal of Excavated Excess Earth away from the site to 5K.M including loading and transportation charges etc, complete as per standard specification. For 1M3

Plain Cement concrete in 1:4:8 (one cement, four M. sand and eight aggregate) mix using 40mm ISShard broken granite metal for foundation and Flooring including dewatering where ever necessary including cost and conveyance of all materials to work site a

Plain Cement concrete in 1:2:4 (one cement, four M. sand and eight aggregate) mix using 40mm ISS hard broken granite metal for foundation and Flooring including dewatering where ever necessary including cost and conveyance of all materials to work site

Providing and laying in position Standardised Concrete Mix M-20 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 325Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone D15Sand (M- Sand), but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers -

Below GL & upto 1.5 m

Below GL & beyond 1.5 m

Supply and fabrication of steel using TMT rods for all Reinforced cement concrete works including cost and conveyance of all materials and all labour charges for cutting, bending and placing the rod in position and tying up the rods with binding wire an

Providing Fusion Bonded Epoxy coating not less than 175microns thickness and upto 300 micronsto reinforcement of all diameters as per IS 13620/1993 including testing of coating at plant.The cost is inclusive of cost on account ofcareful handling, PVC coated binding wires, touchup material supplied by coating agency,repair work, loading, unloading and strengthening of bent rods etc., complete as per specification and as directed by the Engineer in charge.

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm laid over silver Oak (C.W) joists of size 10cm X 6.5cm (spaced at about 90cm c/c )and supported dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed - 10 m 2

Base slab

Wall

0.00m-3.30m

3.30m-4.30m

4.30m -5.30m

Cover Slab

Manufacturing, supplying and fixing Precast Reinforced Cement Concrete slabs of following thickness in RCC M20 concrete using following HBGS jelly excluding cost of reinforcement steel in position but including cost of moulding charges, casting of slab, finishing, curing and fixing in position in all floors etc., complete complying with standard specification and as directed.

Brick work in CM 1:5 (one cement & Five Crushed Stone Sand (M- Sand)) using II class ground moulded bricks of size 9" X 43/8"X 2 3/4" including finishing, curing, etc., complete complying with standard specification - 100CFT

Supply, delivery and fixing in position FRC Manhole cover slab with frame of size 0.60x0.60m of approved quality including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete. as per standard spec

Supply and Deleivery of CI D/F SLUICE VALVE WITH CAP/ WHEEL AS PER IS 14846/2000 PN 1.0 WITH ISI MARKING with 5 year warranty

355mm Sluice Valve

180mm Sluice Valve

280mm Sluice Valve

450mm Sluice Valve

D/F NON RETURN VALVE CI Single Door/ Multi Door Non return valve conforming to IS 5312/2003(part I & II) to be fixed after Water meter/ Flow recorder on pumping main near Pump house with dash potarrangement for 90% fast closing & 10% slow closing and with 5 years warranty-355 mm

180 & 280 mm

450 mm

Supply & delivery of following sizes of HDPE PIPES confirming to IS 4984/2016 - PN 10

180 HDPE Pipe

280 HDPE Pipe

355 HDPE Pipe

450 HDPE Pipe

Lowering HDPE pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers

180 HDPE Pipe

280 HDPE Pipe & 355 HDPE Pipe

450 HDPE Pipe

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

180 HDPE Pipe

280 HDPE Pipe

355 HDPE Pipe

450 HDPE Pipe

Cutting P.V.C./HDPE rigid pipes and specials true to axis and finishing the ends complete.

180 HDPE Pipe

280 HDPE Pipe

355 HDPE Pipe

450 HDPE Pipe

Barricading work (Where the lines are in narrow width of municipality area, busy streets like Market, Bus-stand and in the Highways etc.) for laying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia. and 1.80m height) vertical with horizontal poles in two rows, painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including supplying, delivery and fixing of GI sheet (0.90m x 0.8mm thick) in the horizontal poles and fixing 75mm dia. reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by TWAD Board officers.

Testing of pipes for water supply with hydraulic testing equipment by filling with water (including cost of water @ Rs. 60/KL) and testing to recommended pressure in convenient stretches and attending the bursts if any occured during the test, excluding the cost of pipes but including other incidential and operational charges etc., complete for the following diametres of pipes.

180 HDPE Pipe

280 HDPE Pipe

355 HDPE Pipe

450 HDPE Pipe

Supply , delivery and fixing of HDPE specials (lining and coated) at site etc., complete as directed by Engineer in charge.

180 HDPE 90 Degree Bend

180 HDPE 90 Degree equal Tee

280 HDPE 90 Degree Bend

280 HDPE 90 Degree 90 Degree equal Tee

355 HDPE 90 Degree Bend

355 HDPE 90 Degree 90 Degree equal Tee

450 HDPE90 Degree Bend

450 HDPE 90 Degree 90 Degree equal Tee

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 ORing 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.

180 HDPE Pipe

280 HDPE Pipe

355 HDPE Pipe

450 HDPE Pipe

Manufacture, Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 10/16 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 Double Air Valve /180 mm HDPE

150 mm Double Air Valve /280 mm HDPE

200 mm Double Air Valve /355 mm HDPE & 450 mm HDPE

Construction of chamber for sluice valve & scour valve using second class chamber bricks in cement mortar 1:4 and necessary plastering with cement mortar 1:3 for 12 mm both inside and outside, precast concrete covers as per drawing , as per IS specifications and as directed by the engineers for the following sizes in metres,as per drawing.

1.80X1.50X1.60

Labour charges for cutting of B.T road or WBM roads for laying of mains and as directed by Engineer in charge.

B.T. Roads

Concrete Roads

Construction of Thrust blocks - with RCC M20 Grade concrete Earthwork - excavation and depositing on bank with an initial lead of 10 m and initial lift of 2 m in trenches (Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil) including all charges etc complete., complying with standard specification as directed by Corporation Engineers 'P.C.C 1:2:4 (one cement, two sand and four coarse aggregate) using Sulphate Resistant cement and 20 mm H.B.G stone, RCC M 20 grade using cement and 20 mm H.B.G stone including mixing concrete, laying, curing and compacting of concrete etc., complete and as directed by the Corporation Engineers. Refilling the trenches with suitable excavated earth available in layers of 150 mm thick, watering, ramming & consolidation complete as directed by the Corporation Engineer. Conveyance of excess earth to a distance not exceeding 5 km as directed by the Corporation Engineer including cost of loading, transportation and unloading charges etc

180 HDPE 90 Degree Bend

180 HDPE 90 Degree equal Tee

280 HDPE 90 Degree Bend

280 HDPE 90 Degree 90 Degree equal Tee

355 HDPE 90 Degree Bend

355 HDPE 90 Degree 90 Degree equal Tee

450 HDPE90 Degree Bend

450 HDPE 90 Degree 90 Degree equal Tee

Supply and delivery of Sluie gate single face cl-1 cost of material transporting and fixing charge ect., completed as per std specification

Supply and delivery of Sluie gate single face cl-1 cost of material transporting and fixing charge ect., completed as per std specification

Supply and delivery of Sluie gate single face cl-1 cost of material transporting and fixing charge ect., completed as per std specification

Supply and delivery of Sluie gate single face cl-1 cost of material transporting and fixing charge ect., completed as per std specification

Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump , wear resistance with submersible motor for the various duty conditions. Pump shall be capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05. Pump shall be of robust construction, Liquid passages shall be finished smooth and designed as to allow free passage to solids. Pump Impeller should be of Non-clog semi open type , single vane / multi vane preferably contra bloc or vortex impeller design. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft. The critical speed of the rotor shall be at least 30% above the operating speed. Pumps should have double bearings between the pump & motor. The bearings life shall be minimum 100,000 hrs of operation with greased for life. Pump should be provided with automatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance. Pump shall be provided with a stainless steel lifting chain conforming to BS 970 Gr 304. Pump speed shall be of 9600 rpm for high duty pumps and 960/1450 rpm for low duty pumpsets. Casing and impeller should be of CI Gr. FG 260:IS210 more preferably with hardened impeller.Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall be operated with 3ph, 415 V(+or– 10%), 50Hz(+or-5 %) dry induction type. Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously. The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances .The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120% of rated speed for two minutes without any mechanical damage, in either direction of rotation. The motor vibration shall be within the limit specified in applicable standards . Motor should be of IE2, explosion proof compatible for VFD operation together with star-Delta /ATS starter, protection against increase in stator winding temperature (15 deg Celsius), bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit. Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691. Motor shall be suitable for continuous operation in fully submerged or partially submerged condition.The pumpset shall be supplied with power cable of PVC insulated and PVC sheathed, copper, flexible, round type with required conductor size and number of cores as per starting method and of specified length for continuous use under water and air. The control cable of PVC insulated, PVC sheathed, flexible for stator winding temperature sensor 3core x 1.5 sq.mm copper conductor and for bimetallic switches 2core x 1.5 sqmm copper conductor shall be provided. Motor shall be supplied with 10m of round submersible copper cable of suitable size. The non clog submersible pumpset shall be provided with suitable starter control panel having all protections as mentioned above. (upto 5 HP - DOL Starter, above 5 HP to 25 HP -Star Delta Panel and beyond 25 HP shall be ATS)

Discharge 200 to 300 M3/hour-10m head

Discharge 20 to 100 M3/hour -10m head

Discharge 300 to 400 M3/hour -10m head

Discharge 200 to 300 M3/hour-10m head

Discharge 500 to 600 M3/hour-10m head

Supply and Delivery of PVC Mould CI steps for sump cost of material transporting and fixing charge ect., completed as per std specification

Supply and fixing of M.S Grills with Doors and Windows with one coat of Red oxide with Primer including all costs such as welding,grinding and fabrication charges, cost and conveyance of all materials to site etc,complete as per standard specification.

Discharge 200 to 300 M3/hour-10m head