Kerala Water Authority-KWA has published Jjm -2020-21 Common Components To Cherpu And Vallachira Panchayath - Wtp At Arattupuzha - Replacing Existing Rapid Sand Filter Media With Duel Media Filter Using Anthracite, Repair Works Of Flash Mixture Units Air Compressor Unit Focus Lamp.. Submission Date for this Tender is 30-08-2022. Air Compressor Tenders in Thrissur Kerala. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Replacing existing rapid sand filter media with dual media filter using Anthracite |
| 2 | Designing and testing of anthracite as per order No KWA/WASCON/AEE11/697/2018 DTD 23.03.2019by MD KWA |
| 3 | Supply of the Anthracite with effective size d10 of 1.0 mm to 1.6 mm as per item 1 above in quantity required as per design, properly graded and tested by supplier specifying the source of material and qualitycommensurate to the following specifications-SP Gravity-1.45-1.55, Uniformity coefficient of 1.7 or lower, Hardness grreater than 2.7 (Mohs scale ), Acid Solubility less than 5% , bulkdensity-0.73-0.76T/m3,Hardness -3MOH, Hardgrove-44-50,carboon cont.>90%,Ash-3.4%,Volatile-5.7%,HCL-10% NaOH, for 24 Hrs certification including all cost ,taxes conveyance to site loading & unloading etc. complete. (TheAnthracite filter sand shall be tested in Regional Research Laboratory/CPRI Labs of Goverment of India for its suitability ). |
| 4 | 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. |
| 5 | Cleaning, drying and seiving the removed filter media and stacking the dismantled pebbles for reuse and spreading in the filter box in layers as per specifications and as per directions of the department officers. |
| 6 | Repair/ Alteration of the under drain system by replacing all damaged pipes with suitable arrangements and providing all additional mechanisms and fixtures required according to the design of miulti layer filtering system complete. |
| 7 | Modification / alteration of the existlng 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 flxtures required according to the design of multi layer fiiter media back washing operations complete. |
| 8 | Washing and cleaning the fiter chamber and rectifying damages of filter walls including glazed tiles, preparing entire chamber suitable for dual media filter refurbishment. |
| 9 | 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. |
| 10 | 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. |
| 11 | Refurbishing the filter beds using dual layer filter media as per the design separately laying each grade of supporting gravelone above other separately as directed by the engineer in charge complete |
| 12 | Trial running and maintaining the filter beds for a period of one month and providing training to the KWA personnel in the operation and maintenance of the new system including providing knowledge transfer to the concerned engineers of KWA assaigned for the purpose including all expences for such training etc. complete |
| 13 | Charges for replacing the damaged gland packing of 400mm sluice valve afterremoving the damaged gland packing, inserting and tightening with asbestos rope using appropriate toolswithout causing any damage to the existing pipeline and other utilities, testing the pipeline with required pressure and rectifying any defects noticed, including hire and conveyance of tools and plant, bailing out water,and as per the direction of the departmental officers etc. complete. |
| 14 | Charges for replacing the damaged gland packing of 350 mm sluice valve afterremoving the damaged gland packing, inserting and tightening with asbestos rope using appropriate toolswithout causing any damage to the existing pipeline and other utilities, testing the pipeline with required pressure and rectifying any defects noticed,including hire and conveyance of tools and plant, bailing out water,and as per the direction of the departmental officers etc. complete. |
| 15 | Charges for replacing the damaged gland packing of 300mm sluice valve after removing the damaged gland packing, inserting and tightening with asbestos rope using appropriate toolswithout causing any damage to the existing pipeline and other utilities, testing the pipeline with required pressure and rectifying any defects noticed,including hire and conveyance of tools and plant, bailing out water,and as per the direction of the departmental officers etc. complete. |
| 16 | Dismantling the bonnet of 400mm CI ACP/PE/DF Sluice valves by loosening or cutting out the bolts, taking the spindle, boxnutfrom the valve, checking for damages, supplying gun metal piece suitable for fabricating box nut, conveying the damaged box nut, spindle and the supplied GM material to engineering workshop, machining the gun metal, drilling hole, boring, threading and finishing boxnut and machining the spindle to suit newly fabricated box nut, conveying back to site, fixing the boxnut and spindle properly, supplying rubber insertion, refitting the bonnet, testing the pipeline to the required pressure and rectifying any defects noticed, without causing any damages to the existing pipeline and other utilities, including the hire and conveyance of tools and plant, bailing out water, providing caution boards, lighting, ribbon fencing, watching and traffic control and as per the direction of Departmental officers etc.complete and as per direction of the department officers etc. complete including cost of rubber insertion and gun metal for box nut. |
| 17 | Dismantling the bonnet of 350mm CI ACP/PE/DF Sluice valves by loosening or cutting out the bolts, taking the spindle, boxnutfrom the valve, checking for damages, supplying gun metal piece suitable for fabricating box nut, conveying the damaged box nut, spindle and the supplied GM material to engineering workshop, machining the gun metal, drilling hole, boring, threading and finishing boxnut and machining the spindle to suit newly fabricated box nut, conveying back to site, fixing the boxnut and spindle properly, supplying rubber insertion, refitting the bonnet, testing the pipeline to the required pressure and rectifying any defects noticed, without causing any damages to the existing pipeline and other utilities, including the hire and conveyance of tools and plant, bailing out water, providing caution boards, lighting, ribbon fencing, watching and traffic control and as per the direction of Departmental officers etc.complete and as per direction of the department officers etc. complete including cost of rubber insertion and gun metal for box nut. |
| 18 | Dismantling the bonnet of 300mm CI ACP/PE/DF Sluice valves by loosening or cutting out the bolts, taking the spindle, boxnutfrom the valve, checking for damages, supplying gun metal piece suitable for fabricating box nut, conveying the damaged box nut, spindle and the supplied GM material to engineering workshop, machining the gun metal, drilling hole, boring, threading and finishing boxnut and machining the spindle to suit newly fabricated box nut, conveying back to site, fixing the boxnut and spindle properly, supplying rubber insertion, refitting the bonnet, testing the pipeline to the required pressure and rectifying any defects noticed, without causing any damages to the existing pipeline and other utilities, including the hire and conveyance of tools and plant, bailing out water, providing caution boards, lighting, ribbon fencing, watching and traffic control and as per the direction of Departmental officers etc.complete and as per direction of the department officers etc. complete including cost of rubber insertion and gun metal for box nut. |
| 19 | Providing and fixing G.I. pipes complete with G.I. fittings and clamps, including cutting and making good the walls etc. Internal work- Exposed on wall50 mm dia nominal bore |
| 20 | Applying priming coat:With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron /steel works |
| 21 | Painting with synthetic enamel paint of approved brand and manufacture to give an even shade:Two or more coats on new work |
| 22 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) |
| 23 | Repair works of Flash mixture units,Air compressor unit,providing Focus lamp etc. |
| 24 | Charges for disconnecting the electrical connection of the Air compressor motor detachingcoupling pulley belt,dismantling the inner mechanism of the compressor unit machining the compressor shaft,bush, cleaning the bearing cup,assempling the compressor with newly supplied allied packing,stud,nut,gear oil,bearing,oil seal,piston crank lock,air filter set,80 mm flange washer,foundation bolt and packing with grease the erected the compressor and motor,supply and fixing 80 mm GM valve, giving thier electrical connection testing trial running etc,including chargesfor conveying the shaft,bush for machining to work shop and back,Cost of materials and all other labour charges. |
| 25 | Supplying and providing Focus lamps with LED bulb , providing clamps, brackets wiring and providing switches including all cost of materials and labour charges etc,. |
| 26 | Supply and filling Chlorine tonners |
| 27 | :supply of empty liquid chlorine tonners 930kg chlorine capacity approved from LRA (LIyods Registrar Asia) & CCOE Nagpur (Chief Controller of Explosives Nagpur) fitted with valves as per IS 3224 and valve guard including emergency repair tool kit Ex factory rate (Market rate) The following documents are to be submitted by the offered 1.Test certificates form compitent authority 2.Internal test report 3.Technical data sheet mentioning the materials 4.Diamensions showing proper drawing 5. Various design parameters such as design pressure,design temperature 6.Corrosion allowance ,shell thickness,painting etc 7.Details of packing ,marking/stamping and transportation 8.Standard accessories to be supplied with this container a)2 Nos Brass valves of size 1 " NB BS 341 Part 1 OR 25.4 MM is 3224 OR 3/4" NGT (CL)1 b)2 Nos Brass pluges of size 1 " NB BS 341 Part 1 OR 25.4 MM is 3224 OR 3/4" NGT (CL)1 c)1 No MS Valve Protecting Dome |
| 28 | Freight and transit insurance |
| 29 | :Charges for testing and registration and for filling Chlorine gas at T.C.C ,Eloor,Kochi etc complete and conveyance to appropriate subdivision safety including loading and unloading charges etc as per direction of departmental officers. |
| 30 | Inpection and testing fees by competent authority |
| 31 | Re-constructing compound wall in Pallisserykunnu WTP |
| 32 | Engaging man mazdoor for clearing the compound |
| 33 | Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-Charge.In cement mortar |
| 34 | Demolishing stone rubble masonry manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer -in- Charges:In cement mortar |
| 35 | Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed.All kinds of soil |
| 36 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:3:6 ( 1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) |
| 37 | Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) up to plinth level with: 1:6 (1 cement : 6 coarse sand) |
| 38 | Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. up tot floor five level excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3( 1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) |
| 39 | Centering and shuttering including strutting, etc. and removal of form for: Liintels,Beams,Plinth beam,Girders bressumers and cantilevers. |
| 40 | Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelHot rolled deformed bars |
| 41 | Solid masonry using pre cast solid blocks (factory made) of size 30x20x15cm or nearest available size confirming to IS 2185 part I of 1979 for super structure up to floor two level with thickness 15cm in : CM 1:6 ( 1 cement : 6 coarse sand) etc complete |
| 42 | 12 mm cement plaster of mix: 1:4 (1 cement 4 fine sand) |
| 43 | Pointing on stone work with cement mortar 1:3 ( 1 cement : 3 fine sand): 1:3 (1 cement : 3 fine sand) : Flush/Ruled pointing. |
| 44 | Distempering with dry distemper of approved brand and manufacture (two or more coats) of required shade on new work, over and including water thinnable priming coat to give an even shade: |
| 45 | Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer"s specifications including appropriate priming coat, preparation of surface, etc. complete.On steel work |
| 46 | Chequerred precast cement concrete tiles 22 mm thick in footpath & courtyard, jointed with neat cement slurry mixed with pigment to match the shade of tiles, including rubbing and cleaning etc. complete on 20 mm thick bed of cement mortar 1:4 ( 1 cement : 4 coarse sand). |
| 47 | Providing protection works near intake channel and silt removing works in well and intake channel |
| 48 | Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5m in width as well as 10 sqm on plan including disposal of excavated earth up to 50 m and lift up to 1.5 m, disposed soil to be levelled and neatly dressed:All Kinds of soil |
| 49 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 nominal size) |
| 50 | Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) |
| 51 | Providing and laying cement concrete in retaining walls, return walls, walls ( any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts,buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc. up to floor five level, excluding the cost of centering, shuttering and finishing:1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) |
| 52 | Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more |
| 53 | Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete |
| 54 | Smooth finishing of the exposed surface of RCC work with 6mm thick cement mortar 1:3 ( cement : 3 fine sand). |
| 55 | Providing & fixing Galvanised 0.63 mm dia wiremesh with a plastic coating for preventing the entry of moss, empty plastic bottles, branches of trees, and other floating materials into the intake channel and well ( Framework with MS flat 15 x 3 mm) |
| 56 | Bailing out water with engine and pumpset above 5 HP upto 10 HP including conveyance to the site, errection, dismantling and taking back of engine and pump, cost of fuel lubricating oil and other stores pay of staff etc. complete. |
| 57 | Constructing ring bund of top width 0.6 m, bottom width1.2 m and height 2.0 m by using earth-filled cement bag on both faces and filling clay for puddle and for dismantling after completing work etc. complete |
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