DCSEM/CQD/QSC/ STP-AMC/NIT/12/21-22 dtd 25.08.2021

Amount

GENERAL ABSTRACT.

Part - A: Pump Operation

Part - B: Maintenance of Pumps & other Machineries at SPH & STP

Part - C: Maintenance of Domestic and Garden Pump.

Part - D: Supply of materials

Description of Work / Item(s)

Amount

Part - A: Pump Operation Pump Operation of Sewage Pumps at Old Sewage Pump House (SPH) at Anushaktinagar, New Sewage Pump House (SPH), old & new Sewage Treatment (STP) at Western Sector by engaging two pump operator (one old at SPH at Anushaktinagar,& one for SPH/ STP at Western Sector ) in three shifts daily (i.e. total six pump operator daily including reliever ) as per the schedule, terms and condition.

Valve Operation of sewage pumps at old sewage pump house (SPH) at Anushaktinagar, New Sewage Pump House (SPH), old & New Sewage Treatment Plant (STP) at Western Sector by engaging two valve operators (one for old SPH at Anushaktinagar & one for SPH/STP at Western Sector in two shifts daily (i.e. total six valve operator daily including reliever) as per the schedule, terms and condition.

Description of Work / Item(s)

Amount

Part - B: Maintenance of Pumps & other Machineries at SPH & STP Sewage Pumps: Inspection/Checking/ Replacement/Adjustment of gland packing in case of excess leakage through gland & stuffing box, inspection of coupling rubber bushes, pins, holes, star rubber washer, etc. to carry out replacement of damaged one. If required checking the all valves in pumping system and inspect of internal parts & replacement of defective parts. by new one or serviceable.including fixing them in proper level & position. checking/ tightening the foundation/base plate nut bolts, including checking the alignment of pump set with proper gauge. checking replacement of the DE/NDE bearing of pump/motors if found defective. The job also includes cleaning of inlet screen inside the collection well with cleaning agent. cutting of wild vegetation around the plant area (including SPH/STP) should be carried out monthly. The maintenance also includes attending the daily complaints. Maintenance is to be crried out once in months or in between any time as and when required. painting is to be carried out once in year.

Upto20 HP(7 unit x 1 times x 24month)

Above 20 HP & upto 100 HP (4 unit x 1 times x 24 months)

Air Blowers: Upto 25 HP(2unit x 1 times x 24 months) Inspection/checking/ replacement of bearing of motor & blower including greasing to DE/NDE side,worn out parts, gear assembly, checking the tension in 'V' belts, checking the alignment of blowers/motor pulleys and replacement of pulley if required is to be carried out, Making the proper alignment, greasing/oiling the gear assembly provided for opening the butterfly valve, checking the undue vibrations & rectification is to be carried out. checking tightening the nut bolt of foundation/motor/bearing cover pedestal etc.The maintenance includes attending the daily complaints. Removing chockages inside the air delivery pipe of blowers & cleaning the blower motor, pipe & pipe accessories & pump house The maintenance shall be carried out once in month . painting is to be carried out once in year as instruction of EIC.

Gear Boxes: (Chain/Belt Drive Unit) (07 unit x 1 times x 24 months) Maintenance of reduction gear assembly by opening the lid of reduction gear box, checking the oil level & top up, if required. Checking of coupling, rubber bushes, wear & tear, replacement of the same if required is to be carried out. Checking of wear & tear of gear teeth & gear wheels including replacement of defective/damaged gear wheel, checking of tension of 'V' belts. Inspection & replacement of DE/NDE side bearing of motor & gear assembly units. checking the position of pulleys, replacement of oil seal and defective parts, greasing & oiling to chain links, inspection of chain links & placement of defective chain links, removing chokages inside the pipe of the tanks etc. for smooth functioning, including attending the daily complaints & maintenance to be carried out once in month in between any time as and when required and satisfactorily test & trial in working condition. painting is to be carried out once in year as per instruction of EIC.

Pressure Filter: (1Filter x 1time in six months x 24month) Opening the inspection chamber cover by removing nut, bolts & inspection of inside area of pressure filter, cleaning inside area, removal of sludge settled in the pressure filter without disturbing the filter media and transporting the removed sludge and dumping in the filter bed, etc. after cleaning is over, maintenance to be carried out once in six months, in between any time as and when required and to give satisfactorily test & trial in working condition. painting is to be carried out once in a year as per instruction of EIC.

Sludge Removal:

Removal of dried sludge from drying bed of STP (Total bed 14 no.) and shifting upto main road manually and transporting the same to the garden or dumping yard inside the Anushaktinagar & New Mandala colony upto 3 kms by mechanical trasnport including, unloading, leveling, etc. as per instruction by EIC.

Removal of wet sludge from the U/G tank & emptying the tanks of the STP by dewatering the tanks by sludge pump/manually & shifting of the removed sludge to the drying bed of the old/new plants manually etc. and cleaning the U/G tank and also painting inside unit accessories like pipe, valve, etc. as per instruction by EIC.

Supply & Mixing of Alum & hypo chlorite solution at required proporation as per instruction by EIC.

Alum (20kg x pre day x 730days)

Sodium hypo chlorite solution (5% to 6% concentration of Chlorine) (10 Litre x per day x 730 days)

Welding Works :

Fabrication & welding works at all levels in steel section like angles flats tees & channels, MS plain or chequired plates, angles including supplying, cutting, fabricating, welding, installation & fixing in position on site including painting with a primer coat of approved steel primer etc. complete all as per instruction by EIC.

Repair of GI/MS /CPVC/UPVC leaky pipes/ chamber cover/MS valve operation key rods/pump house doors/damaged angle/ channel etc.by welding including cost of labour chargers, welding materials, grinding, finishing, painting the surfaces, transporation etc. for the water supply system all as per the instruction by EIC.

Repairs of worned out old CI gate of sluice valve of following sizes by filling the oversize gap of brackets of the CI gate by welding for making size of the brackets as per size of lock nut for holding the bracket properly & easy movement inside the guides of the valve body body including cost of welding materials, grinding, finishing etc. for satisfactory operation of sluice valves.

Upto 200mm dia

Above 200mm dia upto 400mm dia

Demolishing Bricks Masanory: Demolising bricks masanory in cement mortar including scaffolding, stacking of servicealble materials within 50mtr. Lead etc. all complete as directed by EIC.

Bricks Work: Brickwork using bricks as specified in foundation & plinth including curing, raking out joints above ground level & simultaneous pointing below ground level etc. complete all as per standard specification using cement mortar 1:4.

Sand Face Plaster: Cement plastering 15mm thick using factory manufactured pre mix/ready mix mortar in CM 1:4 of 'Roofit Mix' of M/S Premier floor to roof materials pvt ltd/'Easy plast' of M/S Walplast products pvt ltd./'Readiplast' of M/S Ultratech cement Ltd or other approved equivalent make having minimum composition of C:S :: 1:4 using fully treated dry , well graded natural sand conforming to IS 383 suitable for external plastering, having low rebound properties, mechanical mixing with water in a metalic tray only to make good consistency as per the specification of the manufacturer and applied on internal / external surfaces and ceiling finished smooth with neat cement punning over bricks walls or concrete surface at all floors and levels, including curing, removing exisiting damaged/worn out plastering and disposing off debris out side colony etc. complete all as per specifications and directed by the EIC.

Description of Work / Item(s)

Amount

Part - C: Maintenance of Domestic and Garden Pump. Bi-Monthly preventive Maintenance of Domestic/Garden/Constructionn water supply Pumps, Valves & other fittings etc. (upto 40HP) Maintenance of water pump sets which includes the following: i) Attending daily copmlaints all as per the terms & conditions, scope of work & as per the clause no.1 of technical specification as per instructions of Engineer-in-charge. (24 Pumps x 1Time in 2 months x 24months)

Labour charges for removing of the submersible pump motor set As per the clause No.2 of technical specification & as per directed by EIC.

Break down Maintenance of Pumps sets, Dismantling of pump set & analysis of fault, as per clause no.3 in of technical specification contract & as per directed by EIC.

Replacement/Repair S.S. shaft & sleeve & Lock nut including key ready to use at site pump.

Replacement/Repair G.M. sleeve including key ready to use at site pumps and G.M. lock nut for sluice valve of various sizes. (80 mm to 300 mm dia.)

Description of Work / Item(s)

Amount

Part - D: Supply of following materials for the above jobs: Gear oil VG 320/Grade SAE 90: for top up reduction gear box of unit checking the oil level & top up, if required.

Lubrication oil SAE 40 Grade or (20 W - 40)

Bleaching Powder: For pump room & operator cabin are to be cleaned onece in a week by sweeping floor,ceiling & walls by water with bleaching powder & removing by sweeping,mopping & also cleaning the pump set,plant & machinery.

Phenyl

Grease: The gerasing to the bearing shall be carried out at the time of maintenance. Greasing for replacement of bearing of motor, pump & blower, air compressor, including greasing to DE/NDE side, gear assembly,conveyor chain,gear box chain links for smooth functioning. required for Item no. 1 , 2, 3, 4 part-B.

Gland Packing: Gland packing of 12 sq.mm adjustment/replacement to prevent the leakage through gland packing & stuffing box of pumps & valves required for Item no.1 part-B.

MS nut bolts of various sizes (full/half threaded with ms washer).

Neoprene or equinalent rubber sheet of best quality & of 3mm/5mm thickness.

Paint & Primers: Paint (Synthetic enamel, Approved make & shade): Painting of plant & machinery including the M.S. rail and platforms including other M.S. member, C.I.,G.I. and S.S. members,pipe & pipe accessories like valves etc.

Smoke grey

Green

Black

Red Oxide primer

Thinner

Bearings: (Make: SKF or equivalent) Replacement of old worn out bearing of pumps & motor, at DE/NDE side & Decoupling the pump from electric motor, dismentling the upper horizontal/vertical casing, bearing covers by removing the nut-bolts, removing the shaft assembly safely, removing the worn out bearing & inside the bearing housing without damaging the adjacent parts of the pumps, replaceing the old bearings by new one.refitting the pump casing properly.greasing the bearing & giving the satisfactory test & trial of the pump set all as directed by EIC.

Ball bearing no.30205

Ball bearing no.6205 Z2

Ball bearing no.6206 Z2

Ball bearing no.6208 Z2

Ball bearing no.6305 Z2

Ball bearing no.6306 Z2

Ball bearing no.6307 Z2

Ball bearing no.6308 Z2

Ball bearing no. 30207 JQ

Taper Roller bearing no. 30209J2/Q

Ball bearing no. 6309Z2

CI Foot Valve ball type (normex make)

50 mm dia

65 mm dia

80 mm dia

100 mm dia

125 mm dia

Coupling Rubber Bushes: Coupling rubber bushes replacement of same if these are found worn out or defective of pump & motor.

Star Rubber bush No. 95

Star Rubber bush No. L-100

Star Rubber bush No.L-110

Star Rubber bush No. L-150

Couplings: coupling, coupling pins, replacement of same if these are found worn out or defective. In case of oblong hole of coupling of motor & pumps, the complete pair of coupling shall be replace by dismantling the old coupling pair the job includes lowering down the motors, pump & again refitting the pump & motor after replacement of new coupling etc. complete in line, level & alignment.

Finished Coupling no. 95 (Lovejoy) including key ready to use site.

Finished Coupling no.L-100 (Lovejoy) including key ready to use site.

Finished Coupling no.L-110 (Lovejoy) including key ready to use site.

Finished Coupling no.L-150 (Lovejoy) including key ready to use site.

Finished Pinion, gear and gear box assembly including key of required materials ready to use at site for various gear box unit.

Transmission chain to use at site for Aeartion fan unit and other units.

LICHENS ENVIRONMENT PRIVATE LIMITED

AEW ELECTRICAL PVT.LTD

ECO CHEM SALES & SERVICE

Global Tech Services

JM Enviro Technologies Pvt. Ltd.

AEW ELECTRICAL PVT.LTD

ECO CHEM SALES & SERVICE

Global Tech Services

ECO CHEM SALES & SERVICE

AEW ELECTRICAL PVT.LTD

JM Enviro Technologies Pvt. Ltd.

LICHENS ENVIRONMENT PRIVATE LIMITED

AEW ELECTRICAL PVT.LTD

ECO CHEM SALES & SERVICE

LICHENS ENVIRONMENT PRIVATE LIMITED

JM Enviro Technologies Pvt. Ltd.

JM Enviro Technologies Pvt. Ltd.

ECO CHEM SALES & SERVICE

LICHENS ENVIRONMENT PRIVATE LIMITED

AEW ELECTRICAL PVT.LTD