Public Works Department-PWD has published Tender For Augmentation And Rehabilitation Of Edc Patto Plaza Panaji Area Sewer Network, Manholes And Pumping Station Including O And M For 5 Years Under Amrut 2.0. Submission Date for this Tender is 29-08-2023. Sewerage Construction Tenders in panaji Goa. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 18-Aug-2023 | corrigendum2 | Other | 29-08-2023 |
| Sl. No. | Item Description |
| 1 | Cutting the bituminous road for laying the pipeline in trenches for a width of 0.6mincluding labour , toolsetc, and disposing the excavated excess material from the trench to a distance of 1000 meters, including making level the trench surface by utilising the serviciable material to the level of the top surface of road,by compacting, watering ramming with rolling with road rollerafter completion of laying of pipe and refilling the trenches etc. complete as per the direction of engineer incharge.a)By Mechanical Means: b)District Road, State highways, National highwayand roads of similar standards |
| 2 | Pumping the Sewage from upstream Sewers to downstream to prevent overflow"s when Sewer fails to function or when in case of major faults and when the line has to be rectified as directed by Engineer-in-charge, until rectification work is started. |
| 3 | By pass of existing sewerline |
| 4 | Plugging of manhole both from upstream and pumping of Sewage from upstream or downstream sides while carrying out rectification of the Sewerlines /removing chokeup with sand bags and removing the same plugging after completion of the said work and making way for the smooth flow of sewage as directed by Engineer-in-charge. |
| 5 | Desilting the sewer lines through jetting and suction machines including cleaning, barricading, and reconstruction of Manholes for section isolation by plugging and flow stoppage, setting up the over-pumping arrangements, traffic management jetting and dislodging. of accumulated silt from the pipelines, removal of silt through suction hose, disposal of removed silt upto a distance of 20 Km, necessary temporary repairs of sewers to stop locational collapses, ingress of ground water in the desilted section of the pipelines all complete as per the instructions of the Engineer-in-charge. In line with the specifications prescribed in lndSTT:201-2018: Code of Practice for Cured in Place Pipe Technique Suiting Indian Conditions:Appendix B |
| 6 | CCTV Pipe Line Condition Assessment |
| 7 | Evaluating pipeline condition through inline Closed Circuit Television survey to assess the internal condition and material of the buried pipelines including accurate measurement of the length & diameter / cross sections, invert levels and other physical attributes of buried pipelines, identification of all defects, joints and connections, measurement and recording of their location/ position, sizes, & conditions of such pipelines including provision of survey report and records of the conditions, both through video recording in PAL format on a new VHS cassette as well as a report on the structural condition of the pipelines as per the instructions of the Engineer-in-Charge. In line with the specifications prescribed in lndSTT:201-2018: Code of Practice for Cured in Place Pipe Technique Suiting Indian Conditions: Appendix A |
| 8 | For sewers upto 900mm dia Before Lining |
| 9 | For testing |
| 10 | Cured in Place Pipe (CIPP) |
| 11 | Cured in Place Pipe (CIPP) lining using Hot water/ Steam Curing/UV Ray Curing of resin impregneted felt: Rehabilitation of existing pipeline by CIPP Structural lining method including site survey, plugging and flow diversion, cleaning, pre lining CCTV, Repair of defects, pre lining measurement, designing, site preparatory work, installation of resin impregnated liner, curing of liner using hot water/ steam recirculation , post lining CCTV and measurement, rehabilitation of manholes, testing and commissioning and restoration of roads and surfaces all inclusive as per lndSTT : 201-2018; Code of Practice for Cured in Place Pipe Technique Suiting Indian Condition. |
| 12 | 150-200mm |
| 13 | 225-300mm |
| 14 | 350-400mm |
| 15 | 450-500mm |
| 16 | Detecting the Manhole location by metal detector and Raising manhole cover and frame slab to the required level including dismantling and demolishing disposing existing slab and making good the damage by reconstructing the R.C.C slab at desired level including fixing of frame and cover to the perfect fixing as required upto a depth of 20cms or part thereof. |
| 17 | Circular manhole 0.9m,1.2m and 1.5m dia |
| 18 | Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in: |
| 19 | All works upto plinth level |
| 20 | Rehabilitation & Grouting of old Manhole |
| 21 | I) Drilling of 12 to 14mm dia holes in the concrete wall 150mm C C & 100mm deep in the walls and the junction. |
| 22 | II) Injecting with low Viscosity. Injection Rasco Flex 110X EN/RascoFlex 110EX& Will Stop 1C is a slow-hardening, rigid, two-component injection resin based on polyurethane/ for water proofing and stabilization of water bearing structures. in to the packers from out side the pool junction to seal the cavities with grouting and mechanical plugging. |
| 23 | III) Open the joints on the junctions of the walls, remove all loose particales clean it with water for any dust etc, apply High performance, Hydrophobic, waterproof, Non-Sag, Cohesive, WaterRetentive, breathable,Drying Cementitious Premixed plaster SS-HydroNil PM & SS Quick stop super in to the joints with line and level. |
| 24 | IV) Repointing the masonry and applying a 5mm thick lining of a Mineral Based, Waterproof, Surface Protection System for Sewage Lines and Manholes, Stormwater, Potable Water, Dams and Marine Infrastructures such as Tri-Sewcoat. Tri-Sewcoat is a two_x005f_x005f_x005f_x005f_x005f_x0002_component, waterproof and protective coating / lining mortar system consisting of a mineral based powder, Tri-Sewcoat and a Liquid Additive, Tri-Bond SBI. The combined system forms a lining that is resistant to aggressive environments and can withstand extreme pH, chloride, and sulphate / chloride loading (e.g., seawater) and Biogenic Sulphuric Acid Concrete Corrosion (H2S Attack) |
| 25 | Supplyingofheavydutysolidtypecirculartype manhole cover andframe for use under heavy traffic conditions as per IS:1726 Part V-1974 having size - |
| 26 | 500mm diawith weight not less than 230 kg |
| 27 | Providing and fixing C.I. foot rest havingminimum weight 5.3 kgs in manhole with 20x20x10cm cement concrete blocks 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) as per standard design. |
| 28 | Supply of pipes |
| 29 | Supplying, of HDPE pipes at store or site of work includingloadingunloading, stacking, transit insurance etc. complete bearing ISI mark & conformingto IS:14333-1996 & made from PE 100 resin Class IV (6 kg/cm2) |
| 30 | Add 5% for wastageson installation of HDPE pipe |
| 31 | Normal Dia in mm |
| 32 | 250 mm |
| 33 | Laying , Jointing & Watertighness test of pipe |
| 34 | Jointing of HDPE pipes by heating the two ends of the pipe with electrically heated mirror,to the required temperature, including the hire charges of heating mirror and the generator set for the electricityfor the heating mirror, etc. complete as per the direction of the engineer in- charge |
| 35 | Normal Dia in mm |
| 36 | 250 mm |
| 37 | Subsurface Utility Engineering (SUE) Survey |
| 38 | Conducting SUE Survey in a corridor of 4-6 meter width to detect buried utilities like pipes, cables etc. in such corridor. Marking of the detected utilities on the map of corridor with information of locations and depths to the top of various utilities detected. Onsite detection to be conducted using minimum tools of Electronic Pipe Locator (EPL) and Ground Penetrating Radar (GPR). GPR work to be conducted using 500MHz and 300MHz antenna for best possible resolution and penetration. The specifications are SUE survey should be in accordance with "Code of Practice for Subsurface Utility Engineering Suiting Indian Conditions - Guidelines & Specifications for Detection , Verification & Depiction of Existing Subsurface Utility Data". |
| 39 | Along the road, 6m wide corridor |
| 40 | Seismic Refraction Survey/ MASW Survey |
| 41 | Conducting Seismic Refraction Survey or Multi Channel Analysis of Surface Waves (MASW) survey to determine stratigraphy along proposed route i.e. soil, weathered rock, rock interfaces. Detection of faults, fractures, shear zones etc., in the investigated area. For Seismic Refraction Geophone spacing 5m and for MASW geophone spacing of 2m is adequate. Test to be conducted using 24 channel signal enhancement type seismograph |
| 42 | Seismic Refraction 5m Geophone Spacing & for projects having a minimum length of 115 or MASW with 2m geophone spacing |
| 43 | Electrical Tomography |
| 44 | Conducting Electrical Tomography to determine shallow stratigarphy along the route, presence of voids, saturation zones, water table, and other geological features having contrast in resistivity with the surrounding soils. Electrode spacing 5 meters , minimum electrode spread of 60 electrodes. |
| 45 | 5m Electrode Spacing & for projects having a minimum length of 300 m |
| 46 | Excavation of non-structural pits for pipe jacking/ramming purpose in soil inclusive of all shuttering, strutting, and shoring and maintaining the shaft during construction operation and backfilling the same after the completion of work. |
| 47 | For Shafts of 7.5mX5m upto a depth of 5m in all type of soil |
| 48 | For Shafts of 7.5mX5m upto a depth of 5m in all type of soil mixed with soft rock |
| 49 | For Shafts of 7.5mX5m upto a depth of 5m in all type of soil mixed with hard rock |
| 50 | Closed planking in trenches including strutting and shoring packing cavaties (wherever required) complete for sewerage works in saturated soil strata |
| 51 | for works of depth of upto 3.0 m |
| 52 | for works of depth of upto 4.5 m |
| 53 | Refilling the pipeline/foundation trenches plinth sides,foundation etc with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 m and all lifts and disposal of surplus earth directed by Engineer-in-charge. |
| 54 | Dewatering of pits or ground by dewatering pumps inclusive of all consumables, diesel, oil, petrol, & lubricants etc and disposal of water. |
| 55 | ln alltypes of Soils |
| 56 | Sewer Line Installation and Pressure Pipe Installation Installation of HDPE product pipe by HDD method for on grade gravity sewer including preparing and setting up the plant and equipment, preparing new pipe-work material, making of entry & exit pits upto 3 meter depth, installing new pipe-work and commissioning system or making the system ready for commissioning by HDD operating including, all related civil and mechanical works like excavation, shoring/ strutting, etc. drilling, stringing, reaming, and pulling back the new pipe-work on the designed bore path alignment, proper disposal of drilling fluid and back fill of site after completion all inclusive as per lndSTT:101-2018: Code of Practice for Horizontal Directional Drilling Technique Suiting Indian Conditions.. Class IV (6 kg/cm2). |
| 57 | Soft Soil |
| 58 | 250 mm |
| 59 | Other soil types/Mixed Strata |
| 60 | 250 mm |
| 61 | Rocks |
| 62 | 250mm |
| 63 | Construction of Composite Manholes |
| 64 | Construction of Composite type Manholes of various diameters and depth , as per the detailed specification of items of work annexed with including dewatering pit. |
| 65 | i) 1200mm dia x 2000 to 2300mm depth |
| 66 | ii) 1500mm dia x 2300 to 2500mm depth |
| 67 | iii) 1500mm dia x 2500 to 3000mm depth |
| 68 | iv) 1500mm dia x 3000 to 3500mm depth |
| 69 | Providing 2mm thick M.S clamp welded with ISA 50x50x6mm(SAIL, TATA. VIZAG,JSW Steel Ltd. ) at ends including appliation of bonding solution such as SR solvent of fevicol or Dr fixit or any other equivalent product including fixing with necessary nut, bolt and Welding by electric plant applying a coat of red oxide etc. Completeas per directed by Engineer -in-charge. |
| 70 | 250 mm |
| 71 | Supply of Laterite Stone and murum |
| 72 | supplying of laterite stone soling of size 150-200 mm and murum having P.I value not more than 6 and laying including packing with smaller stones and consolidation with power road roller including spreading, watering & consolidation of binding material etc (measurements shall be considered on finished item) |
| 73 | Providing and Layingfull grout of granitic or basaltic with hot bitumen |
| 74 | providing and laying 50mm(consolidated thickness) full grout using granitic or basaltic stone of specified grading at 6.00 cu.m per 100 sq m grouting with hot bitumen straight run bitumenfor with such bituminous material of grade and type as specified by the Engineer-in-charge at 5.0 kg per sq.m binding with key aggregate of granitic or basaltic stone of specified gradingat 1.5 cu.m per 100 sq.m including providing and laying seal coat sealing the voids in a bituminious surface laid with F.E loader with 1 cu.m bucket capacity to the specified levels,grade and cross fall using type A seal coat with 0.98 kg/sqm of bitumen of grade as per MoRT&H specifications clause 513 |
| 75 | Providing and applying tack coat with bitumen |
| 76 | providing and applying tack coat with bitumen grade of 80/100 or bitumen emulsion using pressure distributor on the prepared bituminous/granular surface cleaned with mechanical broom as per MoRT&H specifications clause 503 |
| 77 | Bitumen 80/100 @ 0.20 kg/sq.m |
| 78 | Providing and Laying Bitiminuous Macadam |
| 79 | Bituminous Macadam (Providing and laying bituminous macadam with 100-120 TPH hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per MORT& H Specifications,Fifth Edition. |
| 80 | for GradingII(19 mm nominal size) |
| 81 | Bituminous Concrete (Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 % of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 507 complete in all respects) |
| 82 | for Grading-I ( 13 mm nominal size ) |
| 83 | Centering & shuttering including Strutting, Propping & removal of forms for |
| 84 | Vertical surfaces such as retaing walls, return walls, Partitions, walls (any thickness) including attached Pilasters, Buttresses, Plinth and string courses, Fillets and the like |
| 85 | Operation and Maintenance |
| 86 | Operation and Maintenance Removing of choke up of sewer network, desilting of manhole with help of machineries. including labours to open the mahone cover, safety material for labour and cleaning chemicals |
| 87 | 15000/Per Month |
| 88 | 1st Year |
| 89 | 2nd Year |
| 90 | 3rd Year |
| 91 | 4th Year |
| 92 | 5th Year |
| 93 | Supplying of TATA Motors Pickup YODHA 4x2 Four wheeler |
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