Assam Urban Water Supply And Sewerage Board-AUWSSB has published Execution, Testing, Commissioning Ofbalance Works Of Gohpur Water Supply Scheme Treated Drinking Water As Per Cpheeo Standard Under North Assam Division Of Assam Urban Water Supply & Sewerage Board. Submission Date for this Tender is 12-05-2023. Sewerage Construction Tenders in gohpur Assam. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 27-Apr-2023 | Time Extension | Date | 12-05-2023 |
| Sl. No. | Item Description |
| 1 | Schedule I :Design Services ( Survey, Drawings and Documentation) |
| 2 | Conducting route survey on command area map along the road, fixing up alignment, taking levels at every 50 m intervals and at each crossing & junction of road, change of alignment by qualified surveyors and with modern equipment viz. GPS, Total Station and Auto Level,and preparation of drawing in Auto CADshowing the alignment of road, route of pipeline, location of Head Works & other Tube Well sites, important land marks in both side of the roads, habitation by hatch mark and submission of 6 (Six) copies of drawing (Hard Copy) as well as soft copy in (CD or DVD) with geo reference of all landmarks, important road crossings, head Works & other related sites. |
| 3 | Schedule II :Submersible Pumps |
| 4 | Designing, Providing, testing and commissioning ofsubmersible pump setof required discharge 22 lps: and head 45.00M as per approved design, conforming to IS 8034 and motor conforming to IS 9283, with water proof winding. Pump shall be suitable for various delivery head and discharge with stainless steel shaft. Motor suitable for working on 415 V ± 10%, 3 Ph, 50 Hz A.C. Supply, with cable guard, thrust carbon/fiberbearing to withstand entire hydraulic thrust. The pump set shall be suitable for direct coupling, with suitable suction strainer. Pump should have suitable discharge out let as per manufacturer"s design,control panel, submersible copper conductor cable in single / double run upto Panel and 2 pairs of suitable size erection clamp 10 mm thick shall be provided with each pump. MS black column Pipeof Heavy duty conforming to IS-1239-Part-I (2004)standardsincluding internal food gradeepoxy coating and external enamel painting, all complete as per Employer"s Requirements. |
| 5 | Schedule III : Raw Water Transmission main: |
| 6 | Pipes and Specials - Design, supply, laying and commissioning of raw water transmission main ofSupply, delivery & Stacking of Ductile Iron (DI) Pipes of Class K9, and P 1.0 rating, IS marked conforming to IS 8329:2000 Centrifugally Cast (SPUN) Pressure Pipes for water with Socket, Spigot ends and tyton joints in standard working lengths of 5.5 & 6m for classification K-9suitable for Push- on Joint (Rubber Gasket Jointing) with cement mortar lining inside the pipes as per of IS 8329:2000 and Zinc Coating with a finishing layer of Epoxy Resin (Blue Epoxy) on external surfaces as perIS 8329:2000. including DI Specials and fittings of class K12, with plain, double socket, Socketed and flanged DI specials conforming to IS: 9523 including various types of bends, tees, reducers, socket and flanged tail pieces, duck foot bends, collars, mechanical joints, dead end caps, blank flanges etc. as per requirement including EPDM rubber gaskets suitable for tyton joints and ‘O” rings required for the jointing of specials with the pipes, nuts and bolts with packing gaskets, including required valves, appurtenances and chamber (air valves, sluice valves and non-return valves, pressure gauges) including excavation in trenches, dismantling of all type of pavements, sand bedding as required, backfilling of trenches and foundations with approved graed excavated materials and approved graded river sand as required including loading and unloading , Shuttering and shoring the earth at different levels in foundations where necessary with required prop, struts, planks, timbers, nails etc. including dewatering if necessary, complete for raw water pumping systemas per Technical Specifications andall complete as per Employer"s Requirements. |
| 7 | 150 mm dia Ductile Iron Class K-9 pipe from GutBazar to TP |
| 8 | 150 mm dia Ductile Iron Class K-9 pipe from Near Weekly Bazar to TP |
| 9 | Schedule IV : Centrifugal Pumps |
| 10 | Design, supply, testing and commissioning Treated Water Pumping machinery in the at the clear water pump room at treatment plant including all necessary electrical and other installation workshorizontal split casing type electrically operated centrifugal pump set ofwith matching drive motor (as per relevantBIS specification) with variable frequency drive where required, all ofreputed makeand conforming to BIS specification& other regulatory norms, giving a required dicharge of 40 lps and Head: 45.00 M oras per required design against a total maximum headincluding providing all necessary suction & delivery piping arrangements with control valves & specials viz. foot valve, sluice valve, non return valve etc., electrical switch gear along with required capacity Capacitor bank panel and connection cable of required sizes, arrangementfor priming pump with standby provision & priming water tank with suitable staging & required GI piping etc., anti vibratory mountings for the pump set, and including payment of all taxes and duties as applicable, furnishing manufacturer"s test certificate & characteristic performance curve of the pump set,all completeand specified as per Employer"s Requirements. |
| 11 | Assam Type RCC Staff Accommodation at having 2 (two) No. dwelling unit for Operator / Chowkider having total plinth area of 110 Sq.m. with600 mm. high plinth & 3300 mm. finished floor height comprising of 1 bed room with attached toilet, 1 living room, 1 kitchen with wall Tiles and Chajja & 1 entry veranda having aluminium casement window/ ventilator, 1st. class local hard Wood door frame, 1st. class local hard Wood panelled shutter (Toilet door shall be of solid moulded PVC frame & 25 mm. thick PVC shutter),with internalusable area Floor Tlies Finising , internal wall finished with plastic paint & exterior surfaces finished with weather coat cement paint and powder coated pre laminated corrugated Galvanised sheet roofing), A.C. sheet ceiling with wooden frame etc.including all necessary internal water supply & sanitary installation work, construction Septic Tank, internal and external electrification (with concealed copper wiring of required C/S. area) with all necessary electrical fittings & fixturesviz., light / fan / power socket etc., necessary plinth protection work, suitable drianage system white ant treatment etc. ,all completeand specified as per Employer"s Requirements.. |
| 12 | Schedule V :Electrical Works : |
| 13 | Design, supply, erection,testing and commissioningof all Electrical works for Construction of 11 KV line and 11/.4 KV 25 KVA S/Sall intake station (DTW)including electrical motor, electric cables, Transformer, MCC panel, earthing, Cable trench, Cable tray, Gland and lugs, internal lighting & exhaust system , external lighting etc, Providing electrical power connection to Deep Tube Well Site including drawal of electrical power line from the nearby APDCL Grid, setting up ofrequired capacity Sub-Station, providing electrical control panel & metering unit etc. andincluding obtaining necessary approval from APDCL and payment of supervision & other charges to APDCL, if any, all complete, as specified & directed and all other associated works as per Employer"s Requirements. |
| 14 | Schedule VI : Elevated Service Reservoirs |
| 15 | Design, construction, testing and commissioning of 1 Nos Zonal Over head service reservoirs of Circular shape, RCC framed staging and capacities as given below at different locations under the command areas to be served. reservoirs haveRCC Foundation including all necessary inlet/ outlet/ overflow/ draining etc. piping arrangement with control valves, M.S. ladder with guard ring for ascending to the inspection canopy and then to the Roof of the reservoir, Air Vent pipes, Manhole with frame & cover at roof,float operated inlet valve, calibrated water level indicator, lightening arrestor with earthing system,providing CC topping on bottom dome & conical dome inside the reservoir & CC Skirting on inner faces of reservoir wall, providing cement mortar plaster to all other exposed surfaces of the structure and painting of the RCC structure with weather resistant cement paint over priming coat & anti corrosive paint over a coat of lead primer to M.S. work, etc., all complete (as per all relevant BIS or ISO specification), all completeand specified as per Employer"s Requirements. |
| 16 | Over head service reservoirs of Circular shape, RCC framed staging and 785.00 cumcapacity and minimum 18.00 m staging height for Zone-II |
| 17 | Schedule VII : Clear Water Transmission main: |
| 18 | Pipes and Specials - Design, supply, laying, and commissioning of Clear water transmission main of Ductile Iron (DI) Pipes of Class K9, and P 1.0 rating, IS marked conforming to IS 8329:2000 Centrifugally Cast (SPUN) Pressure Pipes for water with Socket, Spigot ends and tyton joints in standard working lengths of 5.5 & 6m for classification K-9suitable for Push- on Joint (Rubber Gasket Jointing) with cement mortar lining inside the pipes as per of IS 8329:2000 and Zinc Coating with a finishing layer of Epoxy Resin (Blue Epoxy) on external surfaces as perIS 8329:2000. including DI Specials and fittings of class K12, with plain, double socket, Socketed and flanged DI specials conforming to IS: 9523 including various types of bends, tees, reducers, socket and flanged tail pieces, duck foot bends, collars, mechanical joints, dead end caps, blank flanges etc. as per requirement including EPDM rubber gaskets suitable for tyton joints and ‘O” rings required for the jointing of specials with the pipes, nuts and bolts with packing gaskets, including required valves, appurtenances and chamber (air valves, sluice valves and non-return valves, pressure gauges) including excavation in trenches, dismantling of all type of pavements, sand bedding as required, backfilling of trenches and foundations with approved graed excavated materials and approved graded river sand as required including loading and unloading , Shuttering and shoring the earth at different levels in foundations where necessary with required prop, struts, planks, timbers, nails etc. including dewatering if necessary, complete for Clear Water Transmission Main systemas per Technical Specifications, all completeand specified as per Employer"s Requirements. |
| 19 | 200 mm dia Ductile Iron Class K-9 pipe for Zone -II from OHR 785.00 cum |
| 20 | Schedule VIII : Site Development |
| 21 | Design, construction ofBoundary Wall of 2.00 meter height(above GL) and approx size of 325 sqm brick Security Wall with RCC framed structure at proposed new ESR site with MS gate having locking arrangement, wall finished with weather coat cement paint & gate finished with non glossy synthetic enamel paint over a coat of red lead primer), all complete, as directed and specified s per Employer"s Requirements. |
| 22 | Schedule IX :Distribution Network |
| 23 | Pipes and Specials - Design, supply, laying, Road Crossing, Culvert Crossing, Drain/ Nalla Crossingand commissioning of distribution pipe network by DI S/S ended (K-7) and PN 1.0 rating IS marked pipe of following dia, as per IS-8329-2000 including DI Specials and fittings of class K12, with plain, double socket, Socketed and flanged DI specials conforming to IS: 9523 including various types of bends, tees, reducers, socket and flanged tail pieces, duck foot bends, collars, mechanical joints, dead end caps, blank flanges etc. as per requirement including EPDM rubber gaskets suitable for tyton joints and ‘O” rings required for the jointing of specials with the pipes, nuts and bolts with packing gaskets, including excavation in trenches, dismantling of all type of pavements, sand bedding as required, backfilling of trenches and foundations with approved graded excavated materials and approved graded river sand as required including loading and unloading , Shuttering and shoring the earth at different levels in foundations where necessary with required prop, struts, planks, timbers, nails etc. including dewatering if necessary,complete for distribution system as per Technical Specificationsper Employer"s Requirements. |
| 24 | 250 mm - DI K-7 (m) |
| 25 | 300 mm - DI K-7 (m) |
| 26 | Pipes and Specials - Design, supply, laying, Road Crossing, Culvert Crossing, Drain/ Nalla Crossingand commissioning of distribution pipe network byHigh Density polyethylene [ HDPE (PE80, 10kgf/ cm)] pipes including all specials confirming to IS 4984 and the specifications, including third party inspection, all taxes and duties, transportation, freight charges, loading and unloading, conveyance to the project site and stacking with cost of all labor and material , including excavation in trenches, dismantling of all type of pavements, sand bedding as required, backfilling of trenches and foundations with approved graded excavated materials and approved graded river sand as required including loading and unloading , Shuttering and shoring the earth at different levels in foundations where necessary with required prop, struts, planks, timbers, nails etc. including dewatering if necessary, complete for distribution system as per Technical Specificationsper Employer"s Requirements.for following pipe diameters. |
| 27 | 110 mm - HDPE (m) |
| 28 | 160 mm - HDPE (m) |
| 29 | 200 mm - HDPE (m) |
| 30 | Valves and Appurtenances - Design, supply, installation, testing and commissioning of manually operated Ductile Iron of DIN 1693 Grade - GGG 40/ GGG 50/ SG Iron of IS 1865 Grade - 400/12/500/7. Double Flanged Non Rising Type Sluice Valve (for control , wash out of various size as per CPHEEO, as per IS 14846/2000 (PD Type) PN 1.0 having seat of body/wedge face ring Gunmetal to IS 318 LTB 2, Stem SS AISI 410 with manual handhweel operation. Flange Drilled as per IS 1538 Table IV & VI Flat Face, including Ductile Iron companion Flange as per IS : 9523/2000 for installation of valves,Providing flanged joints to double flanged pipes and specials, all inclusive, with testing of joints and including supplying bolts, nuts and 3 mm thick rubber insertion sheet all complete as per Technical Specifications and as per direction of Engineer. |
| 31 | Valves and Appurtenances - Design, supply, installation, testing and comissioning of manually operated Ductile Iron of DIN 1693 Grade GGG 40/50 or SG Iron of IS 1865 Grade 400/12, 500/7 Flanged End temper proof air valve as per AWWA C512 or IS 14845 of 80mm dia of PN 1.0 having seat ring nozzle gunmetal covered with EPDM float of chamber : SS AISI 304 with ductile iron slucie valve as per IS 14846 PN 1.0 having seat ring gunmetal to IS 318 LTB 2, Stem SS AISI 410 with manual handwheel operation flange drilled to IS 1538 Table IV & VI Flat Faceinclduing Ductile Iron companion Flange as per IS : 9523/2000 for installation of valves,Providing flanged joints to double flanged pipes and specials, all inclusive, with testing of joints and including supplying bolts, nuts and 3 mm thick rubber insertion sheet all complete as per Technical Specifications and as per direction of Engineer. |
| 32 | Valve Chambers - Design and Construction of RCC and Brick masonry chambers for valves including cost of reinforcement, PCC (1:4:8) and RCC (M20) work, cost of supply and bending and binding of steel with required shuttering, cost of brick work (230/ 350 mm thick Brickwork in CM 1:6) with plaster (10mm thick of 1:6) from inside and outside , precast slabs and supply and installation of SFRC frame and coves wherever required, including excavation,dewatering, formwork, backfilling, road restoration and all the miscellaneous items of work, but excluding the supply and installation of pipes and specials, valves etc. as per specification, approved design and drawings. |
| 33 | Bridge Crossing/River Crossing : Design and Construction of suspension of RCC piller at thye both enbankment of bridge for crossing of distribution pipe line with granular sub-base, construction, M30 grade foundation, pile foundation if necessary with minimum cement content of 350 kg /cum. Steel work in built up tubular with Fe-500D of with deck of width 1.00M of steel plate thickness 5.00mm aprox all complete as per Technical Specifications and as per direction of Engineer.. |
| 34 | Schedule IX : Road Restoration Works |
| 35 | Sub Base & Base for restoration of existing asphalt/gravel road: Providing, and constructing granular sub-base with close graded grading-I material for 150 mm compacted thickness and wet mix mecadam with graded stone aggregate for 250 mm thickness including premixing the material with water at OMC in mechanical mixing plant, carting to work side, spreading and compacting etc complete for all leads and lifts as per drawing and specification. |
| 36 | Bituminous surface for restoration of existing asphalt road: Providing and laying Bituminous concrete using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction and density as per specification, complete and as per directions of Engineer-in-Charge. 40/50 mm compacted thickness with bitumen of grade VG-30 @ 5.5% (percentage by weight of total mix) and lime filler @ 3% (percentage by weight of Aggregate) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity. |
| 37 | Dismantling & Restoration of paver block roads: Dismantling and Restoration of paverblock roads anddisposal of dismantled materials up to a lead of 1000 m, stacking serviceable and unserviseable materials separately. |
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