Kerala Water Authority Tender
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Kerala Water Authority - KWA Tender
Civil And Construction
Eprocure
Opening Date31 Dec 2024
Closing DateCancelled
Tender Amount₹ 26,92,863
Costs
EMD
₹ 50,000Document Cost
₹ 2,760Tender Fee
Refer Documents
Description
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Contact
Tender Id
2024_KWA_721675_1Tender No
34/8677/2024_26_11_10Tender Authority
Kerala Water Authority ViewPurchaser Address
-Website
http://etenders.kerala.gov.in
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Documents
General conditions of E Tendering Process
BOQ Items
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100.55.5:Removing filter media from the filter beds without making any damages to the existing structures and back manifolds and stacking at a safe and convenient place for segregation process and as per the directions of the department officers etc. complete.
23.33
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OD96494/2024-2025:Repair / alteration of the underdrain system by replacing all damaged pipes with suitable arrangements and providing all additional mechanisms and fixtures required according to the design of dual-layer filtering system complete.
28.8
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OD96523/2024-2025:Modification / alteration of the existing back washing system comprising of compressed air / blower and clear water providing new air scouring system, providing new pressure regulating valves or such other mechanisms and fixtures required according to the design of dual layer filter media back washing operations complete
12.96
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OD96533/2024-2025:Washing and cleaning the filter chamber using approved make cleaning chemicals and rectifying damages of filter walls including glazed tiles, preparing entire chamber suitable for dual media filter refurbishment.
41.76
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OD96621/2024-2025:Laying anthracite / sand / 2 to 3.5mm grit in the filter box carefully over higher size pebble layer (43cm thick) already laid so that the dual media interface is properly formed for maximum filter efficiency and longer life of filter media, each layer should be laid without disturbing the lower layer already laid, and ensuring uniform thickness for each layer and each media, and as per directions of the department officers.Refurbishing the filter bed using dual layer filter media as per the design separately laying each grade of supporting gravels and the filter sand and anthracite one above other separately as directed by the Engineer in charge etc. complete
9.07
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100.55.3:Supplying of 20 to 40 mm pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5 km and labour charges for stacking, spreading, testing and as per directions of the department officers etc. complete and as per CPHEEO specification.
2.59
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100.55.2:Supplying of 12 to 20mm size pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5km and labour charges for stacking, spreading, testing and as per the directions of the department officers etc complete and as per CPHEEO specification.
1.94
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100.55.1:Supplying of 2 to 6 mm and 6 to 12 mm size fine pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5 km and labour charges for stacking, spreading, testing and as per the directions of the department officers etc. complete as per CPHEEO specifications.
1.94
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OD96623/2024-2025:Supplying 2mm to 3.5mm grit (grit shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5km and labour charges for stacking,spreading, testing and as per the directions of the department officers etc., complete as per CPHEEO specification.
1.43
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100.55.4:Supplying and stacking for measurement of filter sand having effective size 0.45 to 0.70 mm and uniformity coefficient 1.30 to 1.7, of specific gravity in the range of 2.55 - 2.65 and hard and clean, free from clay, dust and other impurities including cost of materials, labour charges and conveyance of materials up to 5 km and as per the directions of the department officers etc. complete and as per CPHEEO specification.
3.89
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OD96622/2024-2025:Additional labour for segregating pebbles (30mm, 20mm, 15-12mm & 6mm) for using as supportig grade for dual media filter
3.89
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OD96620/2024-2025:Trial running and maintaining the filter beds for a period of thirty days, minimum two shifts and providing training to the KWA personnel in the operation and maintenance of the new system including providing knowledge transfer to the concerned personnel assigned for the purpose including all expenses for such training etc. complete
30
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Working charge - conventional filter media improvement
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OD109138/2024-2025:Designing filtering media through central/state Govt. Institution-Designing of media filter including under drainage system and air scouring system so that uniform back washing and uniform air scouring is obtained through uniform distribution of back wash water and compressed air, without any loss of the dual layer filter media and to attain the maximum efficient back wash and air scouring. (The media filter bed has to be designed considering the various parameters like raw water characteristics, desired rate of filtration, required filtrate quality etc. The design shall include calculation of depth of different media, considering the parameters like effective size and uniformity coefficient of the media, settling velocities of the media etc. The underdrain system and air scouring system shall be designed to avoid shooting up of lighter when air scouring is done. The design shall avoid interface chocking caused by mixing up of different layers at the interface in media filter beds.)
2
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100.55.5:Removing filter media from the filter beds without making any damages to the existing structures and back manifolds and stacking at a safe and convenient place for segregation process and as per the directions of the department officers etc. complete.
46.66
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OD109522/2024-2025:Repair / alteration of the underdrain system by replacing all damaged pipes with suitable arrangements and providing all additional mechanisms and fixtures required according to the design of dual-layer filtering system complete.
57.6
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OD109521/2024-2025:Modification / alteration of the existing back washing system comprising of compressed air / blower and clear water providing new air scouring system, providing new pressure regulating valves or such other mechanisms and fixtures required according to the design of dual layer filter media back washing operations complete
25.92
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OD109670/2024-2025:Washing and cleaning the filter chamber using approved make cleaning chemicals and rectifying damages of filter walls including glazed tiles, preparing entire chamber suitable for dual media filter refurbishment.
83.52
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100.55.4:Supplying and stacking for measurement of filter sand having effective size 0.45 to 0.70 mm and uniformity coefficient 1.30 to 1.7, of specific gravity in the range of 2.55 - 2.65 and hard and clean, free from clay, dust and other impurities including cost of materials, labour charges and conveyance of materials up to 5 km and as per the directions of the department officers etc. complete and as per CPHEEO specification.
12.96
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100.55.1:Supplying of 2 to 6 mm and 6 to 12 mm size fine pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5 km and labour charges for stacking, spreading, testing and as per the directions of the department officers etc. complete as per CPHEEO specifications.
2.85
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100.55.2:Supplying of 12 to 20mm size pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5km and labour charges for stacking, spreading, testing and as per the directions of the department officers etc complete and as per CPHEEO specification.
3.89
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100.55.3:Supplying of 20 to 40 mm pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5 km and labour charges for stacking, spreading, testing and as per directions of the department officers etc. complete and as per CPHEEO specification.
5.18
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OD109165/2024-2025:Trial running and maintaining the filter beds for a period of thirty days, minimum two shifts and providing training to the KWA personnel in the operation and maintenance of the new system including providing knowledge transfer to the concerned personnel assigned for the purpose including all expenses for such training etc. complete
30
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Working charge - upgradation of filter bed lining
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15.23.1:Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead.For thickness of tiles 10 mm to 25 mm
181.92
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11.36:Providing and fixing I st quality ceramic glazed wall tiles conforming to IS : 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer -in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3 kg per sqm, including pointing in white cement mixed with pigment of matching shade complete.
91.2
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11.40:Providing and laying rectified Glazed Ceramic floor tiles of size 300x300 mm or more (thickness to be specified by the manufacturer) of Ist quality conforming to IS: 15622 of approved make in all colours, shades, except white, Ivory, Grey Fume Red Brown, laid on 20 mm thick cement mortar 1:4 (1 Cement : 4 Coarse sand) including pointing the joints with white cement and matching pigments etc., complete.
90.72
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13.12:18 mm cement plaster in two coats under layer 12 mm thick cement plaster 1:5 ( 1 cement : 5 coarse sand )and a top layer 6 mm thick cement plaster 1:3 ( 1 cement : 3 coarse sand) finished rough with sponge.
20
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OD109306/2024-2025:Providing and laying in position machine batched and machine mixed design mix M-30 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centring, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve work ability without impairing strength and durability as per direction of Engineer-in-charge.“(Note:-Cement content considered in this item is @ 330 kg/cum.“ Excess/ less cement used as per design mix is payable/recoverable separately). Providing M-30 grade concrete instead of M-25 grade BMC/RMC. (Note:- Cement content considered in M-30 is @340 kg/cum). no Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer’s specification.-above plinth level
3.13
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Efficiency improvement - replacement of valves & pipes
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100.31.2.2:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 100mm diameter, Class II.
10
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100.31.1.5:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 200mm diameter, Class I.
6
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100.98.429:Supply of CI Non Return Valve, Conforming to IS 5312 Part I - 1984, PN 1.6, Size 100mm.
5
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100.98.458:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 100mm.
5
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100.98.473:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.0, Size 200mm.
6
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100.12.8:Conveying and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc., but excluding cost of pipes and fittings for External work: 80mm diameter nominal bore.
10
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100.12.10:Conveying and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc., but excluding cost of pipes and fittings for External work: 125mm diameter nominal bore.
5
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100.12.11:Conveying and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc., but excluding cost of pipes and fittings for External work: 150mm diameter nominal bore.
15
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OD144398/2024-2025:supplying 80mm GI pipe
10
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OD144415/2024-2025:125 mm GI pipe
5
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OD144429/2024-2025:150 mm GI pipe
15
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OD144466/2024-2025:80 mm GI bend
2
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OD144467/2024-2025:125 mm GI bend
2
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OD144468/2024-2025:150 mm GI bend
4
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Miscellaneous items - renovation of pumping accessories
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OD143197/2024-2025:Design, testing, supply, erection, trial run and commissioning of 2 hp pump sets with required lps against a suitable head and having required rpm sync. as per the direction of department officials with required warranty
5
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OD143231/2024-2025:Supplying and fixing suitable single stage distillery unit of 1.5 Lt/hr capacity with dimension 650x225x440 mm , 230 Volts, 1.5Kw power consumption, Conductivity <3x10^-6, heater made of quartz and boiler and condenser made of Boo 3.3 etc as per the requirement and direction of department officials
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