CONSTRUCTION OF SEWAGE TREATMENT PLANT AND EFFLUENT TREATMENT PLANT FOR ADDITIONAL HOSPITAL BUILDING IN GOVERNMENT HOSPITAL CAMPUS AT TIRUCHENGODE IN NAMAKKAL DISTRICT.

Amount

Earth work open excavation in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the excavated earth with a lead of 10 mts. within the compound in places shown by the departmental officers and clearing and levelling the site, etc., complete complying with standard specification.

Earthwork up to 2.40m

Earthwork from 2.00 to 5.00m

Earth work excavation for foundation (for narrow excavation) in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2 mts. and clearing and levelling the site, etc., complete complying with standard specification.

Cement Concrete 1:5:10 (One Cement, Five M-sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and curing etc. complete complying with standard specification

Cement Concrete 1:5:10 (One cement, Five M-sand and Ten hard broken stone) using 40 mm gauge hard broken jelly for flooring including laying, consolidating, finishing, rendering the top surface rough to receive the floor, curing, etc. complete complying with standard specification. (The rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner , vertical stiffener, side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for plane surfaces such as RCC Floor Slab, Roof Slab, Loft, Landing Slabs, etc with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over steel adjustable span of size 2m x 2m (expandable upto 3.60m) and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for plane surfaces such as RCC Floor/Roof Beam, Lintels, Cantilever Beams, Bed Blocks etc.. with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over Steel adjustable Span of Size 2m x 2m(expandable upto 3.60m) and Silver Oak Joists of Size 10 x 5 cm spaced at 50cm to 60cm c/c and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) Spaced at not more than 50 to 60cm c/c , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting steel centering including necessary supports For plane surfaces such as rectangular or square RCC columns etc. which require only nominal strutting using mild steel sheets made of 10 gauge thick welded with MS angle size 40mm x 40mm x 5 mm and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick).etc..complete in all floors complying with standard specifcation. Steel Adjustable telescopic props shall be rovided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as vertical slab, side slabs of boxing, vertical drops, facia, vertical wall, etc. using mild steel sheets of size 1200cm x 60cm and 10 BG stiffened with welded mild steel angles of size 40mm x 40mm x 5 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner, Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals. MS Channel Section (ISMC 100) shall be provided as a vertical upport @1.20m C/C and with Lateral support of Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) & steel pipes of 20mm dia @ required level/spacing etc. complete complying with standard specifcation and as directed by the departmental officers. (Payment for centering shall be given after the concrete is laid)

Providing and laying in position, standardised concrete Mix M-20 Grade using In-situ Concrete batching plant/ Ready Mix Concrete (RMC) adopting weigh batch method in accordance with IS 456 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete,improve workability without impairing strength and durability with about (5 Cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 Cu.m) 5156 kg. of 10- 12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including Conveyance of concrete from batching plant to Work site, Electricity charges and other works & labour cost involved for concrete production, 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, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

Foundation and Basement

For Super Structure in Ground floor

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Foundation and Basement

For Super Structure in Ground floor

Brick work in Cement Mortar 1:5 (One Cement and Five M-Sand)using best quality Fly ash Brick of size 230x110x70mm with class designation of 7.5 conforming to IS 13757-1993 or IS 12894-2002 for foundation and basement including Cost of Mortar Plasticizer, curing, etc., complete complying with standard specification and as directed by the departmental officers. Brickwork shall be done as per IS 2212-1991 adopting English Bond generally. other type of bond shall be done as directed by the Executive Engineer in charge.

Brick work in Cement Mortar 1:6 (One Cement and Six M-Sand) using best quality Fly ash Brick of size 230x110x70mm with class designation of 7.5 conforming to IS 13757-1993 or IS 12894-2002 for foundation and basement including Cost of Mortar Plasticizer, curing, etc., complete complying with standard specification and as directed by the departmental officers. Brickwork shall be done as per IS 2212-1991 adopting English Bond generally. other type of bond shall be done as directed by the Executive Engineer in charge.

Foundation and basement

Super Structure in Ground floor

Special ceiling plastering and finishing the exposed surface of all RCC items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with Cement Mortar 1:3 (One Cement and Three Plastering Sand) 10mm thick including mortar plasticizer at 200ml per 50Kg of cement used , hacking the surfaces and curing, etc., in all floors complying with standard specification and as directed by the departmental officers

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

Plastering with Cement Mortar 1:3 (One Cement and Three P-Sand) 12mm thick mixed with Water Proofing Compound Conforming to BIS at 2% by weight of cement used including finsihing, curing, etc., complete in all floors complying with standard specification and as directed by the departmental officers.

Manufacturing, supplying and fixing of Steel Doors with the following specification M.S angles of a size 40x40x6mm are used for the outer frames and M.S. angles of size 35x35x5mm for the shutter frames stiffeners with 32x6mm M.S. flat is provided at required intervals in the shutter frames 18 gauge C.R. sheet is laid as panel in the shutter and welded intact for 1/3 bottom portion of the shutter. M.S. flat 18x5mm is welded over the 32x6mm M.S. flat sand witching the CR sheet in between. Additional stiffener with 18x5mm M.S. flat is provided diagonally at the rear side of the shutter. The balance 2/3 portion at top is provided with grill at an average weight of 20kg/sq.m and 6 Nos hinges for double leaves shutter to be provided 6nos of holdfasts 120mm in length made of angle section spliced at the ends are welded to the outer frame of the door. Tower bolts 2nos. one at top and the other at the bottom arte provided one aldrop is provided at on appropriate place in the door. A Tie bar is provided at the bottom of the outer frame to prevent twisting of frame during transportation or fixing. All members are given one coat of red oxide primer as directed by the departmental officers. The rate includes cost of all meterials, labour charges,taxes, transportation to site of work loading, unloading and all other incidental charges etc.,complete. (Single Leaf 1.00X 2.10m fully paneled)

Fabricating, Supplying and fixng in position of Steel Windows (Four Leaves) with the following specifications. Outer frames of windows made of 'Z' section F7D of size 33 x 25 x 3mm at 1.419 kg/ m and mullion 'J' section (F4B) of size 46x25x3mm at 2.28kg/m and shutter section of made of F7D of 33x25x3mm at 1.419 kg/m as specified in IS 7452/1990. Each openable shutter should not exceed a width of 600mm to enable separate operations and easy maintenance. The panel of the shutters to be covered with 18 gauge cold rolled sheet of superior quality and welded intact with shutter frames. Horizontal stiffeners using 18x5mm MS Flat at 0.70kg/m at 3 Nos. for each shutter and additional diagonal stiffners of the same MS flats at all the four corners of each shutters to the suitable length welded to the shutters, for holding the CR Sheets in position firmly.2 numbers of sturdy hinges and one number of handle-cum-latch of special type made with 18x5mm MS flats are revetted to the shutters at an appropriate height in window. suitable opening is left for its easy operation. a stopper square rod for handle is provided in the mullion section at suitable place to catch the window handle. each window shutter having an adustable stay made out of 18 x 5mm at 0.70 kg/ m MS flat of lenght 320mm with three adjustable position. A matching peg is provided in the outer frame of the window at suitable place. 4 Nos. of hold fasts of 200mm length spliced at the ends are welded to the outer frame of the window by using MS flat of 18x5mm at 0.70kg/m, welded to the shutter at two place equivalent from each from top and bottom of the shutter. An MS square bar of 12mm size is welded to the inner face of the window at an equal interval not exceeding 100mm edge between them. All members are painted with one coat of anti-corrosive red oxide primer as directed by the departmental officers. All sections should be in confirmed with IS 7452/1990.The cost includes cost of all materials, labour charges and other incidental charges, etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and Fixing MS Ladder width 45cm using 50x50x6mm MS Angle.The cost includes cost of all materials, labour charges and other incidental charges, etc., complete

Fabrication, supply and fixing in position of 'N' type ventilators using M.S. angle of size 25 x 25 x5 mm for frame and M.S. Flat of size 20 x 3 mm for fixing the weld mesh and using 25 x 22 x3 mm 'T' section for frame glass. Special type of Hold fast welded to the frame of 45 degree inclined towards centre for wall and fxing the weldmesh 25mm square including cost of 3mm thick pinheaded glass panes for all panels and fixing the glass panels with necessary clips & putties with required bolts, nuts and washers and one coat of red oxide primer etc. including necessary dismantling, making holes in RCC columns, beams, masonry wherever necessary with power drill to the extend required and made good to the original conditions after fising as directed by the departmental officers.

Supplying and fixing in position best approved of BIS quality PVC rain water down fall pipes having a pressure of 4 kg. / sq.cm including cost of necessry PVC shoe, PVC bend, cast iron gratings of required diameter and special clamps, brass screws, nails, etc., and fixing of cast iron gratings at junction of parapet and the RCC roof slab including finishing neatly etc., complete. The rate shall be inclusive of cast of removable cast iron grating. The PVC pipe shall be fixed in wall with special type of "U" clamp at the centre of the pipe line in addition to those for more than 3.0 metre pipe length, etc., complete complying with standard specification. 160mm dia PVC Pipe

Supplying and fixing in position best quality PVC soil / waste pipes of various dia having 6 kg / sq.cm. pressure BIS mark and providing leak proof joints using PVC adhesives including fixing to the wall with special PVC / MS clamp, teak wood plugs, brass screws, etc., and making connection to all sanitary fittings, dismantling masonry / RCC works wherever found necessary and making the good dismantled portion to the original condition, including testing for any leakages, etc., complete complying with standard specifications. (The PVC pipes should be got approved by the Executive Engineer before use on works). The rate for earth work excavation will be measured and paid separately in the cases where the pipe lines are proposed to laid below ground level

160 mm dia PVC Pipe

110 mm dia PVC Pipe

Supplying and fixing in position PVC specials of the following dia and types of approved quality confirming to BIS and providing leak proof joints including fixing to the walls and giving connection to the PVC soil stacks, dismantling the masonry or RCC works and re-doing the dismantled portion to original condition etc., complete complying with standard specifications. (The PVC specials should be got approved by the Executive Engineer before use on works).

160mm dia PVC Elbow

160mm dia PVC Tee

110mm dia PVC Elbow

110mm dia PVC Tee

Construction of INSPECTION CHAMBER following clear sizes including earth work excavation, CC 1:5:10 of 10 cm thick and brick work in Cement Mortar 1:5 [One cement and Five M-sand] using best quality of Fly ash Bricks of size 230x110x70mm with Class designation of 7.5 and Plastering with Cement Mortar 1:3 [One Cement and Three Plastering Sand] 12 mm thick to inner and outer sides and wearing coat 1:3:6 [One Cement, Three M-sand and Six Hard broken stone Jelly] 15 cm thick and covered with precast slab 5 cm thick etc., complete complying as directed by the departmental officers as per standard specification.

CLEAR SIZE 0.45 X 0.45

CLEAR SIZE 0.60 X 0.60

CLEAR SIZE 0.90 X 0.90

Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat etc., complete complying with standard specification. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Providing granolithic floor finish of the following thickness with plain cement concrete 1:2:4 (One Cement, Two M sand and Four Hard Broken stone Jelly) using 10 to 12mm gauge hard broken stone jelly including laying, finishing and the top rubbed smooth with power trawl, thread lining, curing etc. complete complying with standard specification and as directed by the departmental officers. (The rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers) 40mm thick

Supplying and filling in foundation, basement, etc with filling M sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Refilling with excavated earth other than sand with an initial head load of 100 mts. and depositing the earth as shown by the departmental officers in layers of not more than 15 cm thick well rammed, watered and consolidated etc. complete complying with standard specification

Supplying and filling in foundation, basement, etc with filling Gravel in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Supplying and filling 20mm guauge HBGS stone jelly for dispersion trench including loading conveying and unloading and as directed by the departmental officers etc. complete complying with standard specification.

Plain Cement Concrete 1:2:4 (one cement, two M-sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.- Mixing by manual means

Supplying and fixing in position SFRC manhole covers of Following size of best approved quality as per standard specification etc., complete compying with standard specifications

60CM X 60CM

75CM X 75CM

90CM X 90CM

Painting two coats of newly plastered wall surface with ready mixed plastic 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.

SUPPLY AND INSTALLATION OF RETURN SLUDGE PUMPS CAPACITY; 0.6HP, 3 Phase, MAKE-POINT, TYPE: SUBMERSIBLE, principle centrifugal, FL class insulation, IP 68 PRODUCTION standard, FLOW RATE: 10000 LITERS/HOUR @ 10 meters head. Delivery pipe, UPVC, schedule 40, 1.5 inches or 40 mm dia, make Supreme or finolex with Union, Non return valve, and other required UPVC fittings from end to end. Electrical cable connection from pump to control panel, cable type armoured cable 1.5 sq,mm, 4 core, with pump side connection and insulation with MRF water proof tape, Cable conduit pipe PVC 4 kg 50mm dia, Control panel side connection with double compression gland, on and off provision in control panel with conductor, relay, MCB, connector and all internal wiring, connection, inside control panel.

SUPPLY AND INSTALLATION OF Decanting cum filter feed pumpsMAKE- KIRLOSAKAR, 1HP, 3 PHASE, TYPE MONO BLOCK, FLOW RATE 15000 LITERS PER HOUR Suction and Delivery pipe, UPVC, schedule 40, 1.5 inches or 40 mm dia, make Supreme or finolex with Union for pump isolation, PVC 3 inches flop type foot valve, and other required UPVC fittings from end to end, from SBR tank to Filter feed tank. Electrical cable connection from pump to control panel, cable type armoured cable 1.5 sq,mm, 4 core, with pump side connection and insulation with MRF water proof tape, Cable conduit pipe PVC 4 kg 50mm dia, Control panel side connection with double compression gland, on and off provision in control panel with conductor, relay, MCB, connector and all internal wiring, connection, inside control panel. Dry run controller unit inside control panel, Sensors inside the tank, connection integrated from pump to control panel, sensor cable type 3 core, flexible 1 sq.mm inside conduit pipe.

SUPPLY AND INSTALLATION OF MOTOR FOR AIR BLOWER, MAKE: CROMPTON, CAPACITY5 HP, 3 PHASE, 4POLE, 400/415/440 VOLTS, ALTERNATING CURRENT, SQUIRREL CAGE, TOTALLY ENCLOSED, FAN COOLED (TEFC) BARE SHAFT,INDUCTION MOTOR IN “IE2” ENCLOSURE, RPM-1500. Electrical cable connection from pump to control panel, cable type armoured cable 6 sq,mm, 4 core, with motor side connection and insulation with MRF water proof tape, Cable conduit pipe PVC 4 kg 50mm dia, Control panel side connection with double compression gland, on and off provision in control panel with conductor, relay, MCB, connector and all internal wiring, connection, Timer control from inside control panel.

SUPPLY AND INSTALLATION OF CHLORINE DOSAGE PUMP CAPACITY- 6 liters per hour, with suction and delivery hose, online injector and MAKE; e-Dose, end to end power supply with 1 sq.mm flexible cable from control panel to dosing pump. wiring in such a way when filter feed pump runs dosing pump will also work in parallel.

SUPPLY AND INSTALLATION OF BARSCREEN;SS MAKE-0.6M*0.6M *0.6M with 1 inch X 1 inch opening. With PVC ropes and retrieving arrangements. This has to be installed in bar screen chamber.

SUPPLY AND INSTALLATION OF coarse bubble disk diffuser 3 inches dia with PVC thread holder and rubber top with 3 mm holes. Inter connecting bruited pressure hose 1 inch dia from header pipe 1 inch isolation valve to diffuser accessories fittings stainless steel Tee. This has to be installed in Collection cum Equalization tank.

SUPPLY AND USE OF BACTRIAL CULTURES FOR STABILISATION

SUPPLY AND INSTALLATION OF TOOLS KIT, SAFETY GLOVES, FIRE EXTINGUISHER , CHLORINE DOSAGE TANK-50 LTS

SUPPLY AND INSTALLATION OF Fine bubble membrane diffusers 60 MM DIA and 1000 mm length, Make :Techpro with PVC support pipe inside and fine pore membrane housing outside. This has to be installed in SBR TANK.

SUPPLY AND INSTALLATION OF Diffuser accessories MOC STAINLESS STEEL, WILL BE CASTED IN 8 INCHES BY 8 INCHES , 8 INCHES HEIGHT CONCRETE BLOCK. STAINLESS STEEL TEE, PVC ROPE FOR RETRIVING THE DIFFUSER SET. Inter connecting bruited pressure hose 1 inch dia from header pipe 1 inch isolation valve to diffuser accessories fittings stainless steel Tee. This has to be installed in SBR TANK.

ETP BARSCREEN; Stainless steel Basket, 0.60M*0.60M *0.60M mesh size 1 inch X 1 inch with stay ropes etc.

SUPPLY AND INSTALLATION OF OZONE SYSTEM, WITH GENERATOR, AIR CONCENTRATOR, MIXING VENTURI, PRESSUE PUMP WITH ALL Assembly. PIPE LINES AND CABLING.

Automatic pH correction system with Acid and Base dosing pumps with 50 liters tanks 2 numbers

SUPPLY AND INSTALLATION OF TREATED EFFLUENT TRANSFER PUMPS CAPACITY; 1.0HP, 3 PHASE, MAKE-KIRLOSKAR, MONOBLOCK; MAKE-KIRLOSKAR, Mono block. FLOW RATE: 15000 LITERS/HOUR @ 10 meters head. With armoured cable 1.5 sq,mm, 4 core connection from control panel to Pump. Suction and Delivery pipe 1.5 inches, with Dry run sensor

SUPPLY AND INSTALLATION OF COARSE BUBBLE with stainless steel fittings, bruited hose, clamps, stay ropes etc.

TOOLS KIT, SAFETY GLOVES, FIRE EXTINGUISHER etc.

NAM BUILDERS (BID ID -1500137)

SEVEN STAR CONSTRUCTION (BID ID -1500260)