SITC of Electro Mechanical and Plumbing in 400KLD STP at IISER

Amount

Propeller type agitator Supply, fabrication and erection of Propeller type agitator (one set of blade) 200mm sweep, with suitable motor, worm reduction gear to operate at 120 RPM, necessary foundation, rain cover etc complete to operate in raw sewage storage tanks upto 1000 litre for sewage and sullage collection tank.

Flat-blade impeller Supply, fabrication and erection of Flat-blade impeller, blade dimension 300mmX60mmx3mm two numbers, with suitable motor, worm reduction gear to operate at 300 RPM, necessary foundation, rain cover etc complete for Rapid Mixing Tank

Sliding Shutter Supply, fabrication and erection of Sliding shutter with rack and pinon arrangement 30 cm x 60 cm x 3 mm thick for Flow Divider. The rate shall include cost of fixing in position also.

Bar Screen (Fine Screen Stage I) Supply, fabrication and erection of Barscreen of size 550mm x 500mm using 304 grade stainless steel equal angle 30mmx30mmx6mm outer frame, SS 304 flats 6mm x 50mm as bars with 10mm clear gap complete with stainles steel holding rails on either side and lifting hooks etc. as per the directions of the engineer in charge.

Stainless Steel Screen (Fine Screen Stage II) Supply, fabrication and erection of Fine screen of size 550mm x 500mm using 304 grade stainless steel plate 3mm thick with 50mm x50mmx 3mm SS edge angle frame, 6mm dia holes with 10mm spacing on both directions. The mesh shall be supported on 50mmx50mm SS angle holding rails on either side and lifting hooks etc. complete

Perforated Trough Supply, fabrication and erection of Perforated Trough 50 cm x 50 cm x 4 mm thick MS plate with epoxy coating, handles for lifting, and supporting rails. [opening size 5 mm, 50mm spacing on both ways.]

Fine Bubble Diffuser Supply and erection of 7 inch Fine Bubble Diffuser EPDM/Silicone/poly proplene, air flow 1 to 8cum per hour, bubble size 1 to 3mm layout as per the drawings for skimming tank etc Complete

Adjustable weir plate Supply, fabrication and erection of adjustable stainless steel weir plate 130 cm x 30 cm x 3 mm thick with adjustable slot Complete for skimming tank.

Air Blowers: Twin lobe positive displacement type, rotary air blowers of suitable type with V-belt drive, belt guard, base plate, inlet filter-silencer, flexible connectors, check valve, relief valve, pressure gauge and necessary foundation.

Capacity- 227 m3/hr @ 0.30 kg/m2 , Motor rating 5 HP

Flocculator Supply, fabrication, erection and testing of Cross-flow horizontal paddle flocculator. Two units in each flow stream coupled eachother in 3 array. Complete

Motor with Worm reduction gear and Fittings Supply, fabrication, erection and testing of 1 HP Motor with Worm reduction gears (3, 2.5 & 1 rev/min), with necessary foundation, bolts and nuts. Complete

MS Shaft and Couplings Supply, fabrication, erection of 1 inch MS Shaft, and Couplings with toothed wheels , bolts and nuts to drive the paddle with necessary bushes, housing etc. Complete

Chain Supply, fabrication, erection and testing of Standard Chain to drive paddles horizontally

Stainless steel Angle Supply, fabrication and erection of Paddle using Stainless steel angle 30mmz30mmx3mm, SS shaft with toothed wheel to drive

Teak Wood board Supply, fabrication and erection of Wooden board 80 cm x 5 cm x 2.5 cm

Stainless Steel Bolts, Nuts, Washers Supply, fastening suitable size of Bolts, nuts and washers

Stainless steel plate weir plate Adjustable 3mm thick Stainless steel wier plate of size 300 cm x 30 cm with v-notch and adjustable slots with necessary fixing arangement for primary sedimentation tank.

Sewage pumps Supply, erection, testing and commisioning of Centrifugal type, non clog self priming pumps complete with suction and delivery header and priming tank of an approved make of suitable capacity capable of handling minimum 32mm size solids for untreated effluent with fan cooled induction motor with class 'B' insulation, mounted on a common structural base plate, suitable vibration eliminated pads of approved design for pump foundation, motor to be suitable for 400/440 volts, 3 phase, 50 cycles AC supply with rpm, to suit the corresponding pumps. Flow Rate : 16 m3/hr, Head : 8 - 10 m, Motor Rating : 2.0 HP (provisional) for pumping sewage from equilization tanks to rapid mixing tanks.

Manifold pipe Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge

25 mm nominal outer dia Pipes

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge.

25 mm nominal outer dia Pipes for fresh water.

62.50 mm nominal inner dia Pipes(Pipe will be supplied by the department @ Rs. 923.45 per meter)

Providing and fixing G.I. pipes complete with G.I. fittings and clamps, i/c cutting and making good the walls etc. For Air Blower

80 mm dia nominal bore

50 mm dia nominal bore

Providing, laying and jointing unplasticized PVC pipes and specials of working pressure as mentioned below conforming to IS:4985 including cost of necessary jointing materials, labour for excavation of trenches, testing, refilling etc. complete all as per specifications.

6 Kg/Sq.cm and 110mm OD

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :

25 mm nominal bore

50 mm nominal bore

Providing and fixing metal 80mm wafer type non- return valve horizontal type of approved quality for air blower.

Providing and Fixing double flanged butterfly valves of sizes specified below in a specified location, making necessary flanged joints including transportation, providing all the jointing materials required for the work, testing the joints to the requirement pressure all as specified and directed. 100mm dia

PN-10, 100mm dia

Providing and fixing gun metal ball valve with liver of approved quality (screwed end) : 65mm

Providing and fixing gun metal non- return valve of approved quality (screwed end) :65mm vertical

Providing and Constructing Hollow Cement concrete block masonry in Cement mortar 1:6 (1 cement : 6 Manufactured Sand )using factory made, load bearing, approved quality, Grade A (3.5) as per IS:2185 (Part-I) 2005, Density of blocks not less than 1500kg/cum . Minimum average Compressive strength of units 3.5N/sqmm and Minimum strength of individual units 2.8N/sqmm, set to level plumb including setting in position, providing scaffolding, curing, raking out joints wherever required etc., complete with all leads and all as per specification and directions of the Engineer-in-charge. IN SUPERSTRUCTURE UPTO 3.50M FROM FFL OF GF.

12 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand)

Supply installation and testing of Automatic chemical dosing unit : Capacity - 4.5 Lph (adjustable setting)

Constructing masonry Chamber 60x60x75 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. cover light duty 450x450 and RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size ) , i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design :

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. Support for agitators using ISMC 100.

Painting with black anti-corrosive bitumastic paint of approved brand and manufacture to give an even shade : Two or more coats on new work