Public Works Department-PWD has published Tender For Maintenance Of Water Supply To Ccmc In Quepem Taluka. Sh. Providing And Commissioning Of 30H.P. Auto Controlled Online Booster Pumpset Including Automation System On / Off System Governed On The Basis Of Actual Pressure In The Pipeline And. Submission Date for this Tender is 22-09-2023. Water Supply Tenders in margao Goa. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 08-Sep-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 22-09-2023 |
| Sl. No. | Item Description |
| 1 | Supply, installation, testing and commissioning of 30HP, 25 KW, 2800 RPm, 415V, 50 HZ Monoblock pump set. Model SRF 3085 Pump shall have head of more than 80 meterand discharge of 30LPS of KIRLOSKAR, WILO, KISHORE or eqivalent make. Job includes modification in suction and discharge line. |
| 2 | Supply, installation, testing and commissioning of indoor type L.T. main electrical panel suitable for 2number of 30HP, monoblock pump set with all acessories suitable for 3 phase departmental energy meter with sealing arrangements governed on the basis of automation system with auto controlled timer and pressure ON/OFF system. The panel shallflush front compartment, floor mounted to allow the cable entry from bottom, dust and vernmin proof complete with interconnection, Busbar wiring, door and covers fully casketed. The panel should be degusted and painted with powder coating (7 Tank process) and oven baked. The panel shall be made up of 14SWG CREA sheets and mounted on suitable size M-S angle frame and inatalled on suitable size M-S angle from and installed on the floor firmly using cement concrete or anchor fasten nut bolts. |
| 3 | The panel shall have following arrangements. i) Main incomer MCCB 3 pole, 250Amps ii) Main RYB indication 1amps - 3 sets iii)Voltmeter of range 0-500V iv)Voltmeter selector switch v) Ammeter & range 0 to 100Amps C.T operated vi) C.T.S for ammeter of ratio 100/5A viii) Satr delta starters for 30HP motor having 40A,3 pole contactors, overload relays 14-23 A time delay for 30 sec. single phasing preventor analog logic for automation, ammeter 0-60A, C.T.S for ammeter 60/5A ratio, Voltage monitoring relays with single phasing preventor 2 nos, ON/OH pus butter with indicator-4 nos, Starter main switch-100amps MCCB, 3 pole 25-KA -2 nos, Auto manual selector switch with indication 2 Nos, 7.5 KVAR capacitor-2 nos, 32A MCCB, 3 pole for 7.5 Capacitor-2nos. ix)Highting compartments for 15amps and 6 amps |
| 4 | Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. C. I. Sluice valve conforming to IS :14846-2000 and bearing ISI mark double flanged with cap. TYPE P.N. 1.0 (Class B ) |
| 5 | 80mm dia |
| 6 | Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. C.I. Reflux valve conforming to IS:5312 part-I. Valve double flanged ends without bypass arrangements and drilled to IS:1538 part IV & VI bearing ISI Certificatemark TYPE P.N. 1.0 (Class B) |
| 7 | 80mm dia |
| 8 | Making flanged joints for C.I./D.I. Pipes and specials with rubber insertion, nuts and bolts including necessary hydraulic testing etc. complete including cost of rubber insertion nuts and bolts, as directed by the Engineer in-charge. |
| 9 | 80mm dia |
| 10 | Earthing with GI earth pipe 2 mts long 40 mm dia medium class with ISI mark,of approved brands, including accessories and providing masonry enclosure with CI/RCC coverhaving locking /lifting arrangement and watering pipe etc.withcharcoal or coke and salt) as required as per the Earthing Drawing provided by the Engineer-Incharge.The scope of work includes the following: a) Excavation ofpit of size 1.0x1.0x 2.0 mtrs(min) and disposal of excavated soil. b) Class B GI pipe, 40mm diameter as per specifications. c)Charcoal/salt as per specs ( paid seperately). d) Refilling the pit of size 1.0x1.0x 2.0 mtrs(min) with soft black soil of minimum resistivity i/c transportation. e)Masonary chamber with proper foundation, cover plate and locking arrangement. f) Testing of earth value with earth megger and certifications of its value. Aluminium tag with embossed earthing value to be attached to the pipe. g)watering arrangement(plumbing will be paid seperately). |
| 11 | (a) In soily strata |
| 12 | Demolishing cement concrete 1:3:6 or richer mix including disposal of material within 50 m lead. |
| 13 | Fabrication & foundation frames suitable for 30HP monoblock pump set as specified by the manufacturer of pump. |
| 14 | Supply of3 core armoured PVC/XLPE insulated, PVC sheathed copper conductor cable of 1.1 KV grade with ISI markconforming to IS:1554(Part I) ,IS:7098(Part I) with latest amendments of following size. |
| 15 | 3 Core 10 sq.mm |
| 16 | Disconnection of old electrical connection. Job includes disconnection of old service connection, MCB, energy meter 2x7.5 HP starter panel, motor dissconnection earthing connection of starter & motor in coordination with electricity department removal of existing 2x7.5 HP starter panel, main panel. |
| 17 | Supply of3 1/2 core armoured PVC/XLPE insulated, PVC sheathed aluminium conductor cable of 1.1 KV grade with ISI mark conforming to IS:1554(Part I) ,IS:7098(Part I) with latest amendments of following size. |
| 18 | 3 1/2 Core 50 sq.mm |
| 19 | Laying of one number PVC insulated and PVC sheathed/XLPE power cable of 1.1 KV grade of size exceeding 25 sq.mm but not exceeding 120 sq.mm direct in ground including excavation in the form of a trench as per Cable Trench Drawing provided by the Engineer-Incharge,sand cushioning with screened sand bed of 20mm thick , protective covering with bricks placed breadth-wise on top of cable all over the run( the brick protection shall cover the cable and project atleast 5 cms over the sides of the cable) and backfilling the excavated earth without stones or hard material and making the surface proper with 15 cm crown on the top complete as required. |
| 20 | (a) In soily strata |
| 21 | Provision of pressure guage of range 0-10kg/cm2 with 2 number valve 1 for air block removal and 1 for isolating etc. pressure guage. |
| 22 | Providing and installing the bison panel with GI sheets KIOSK of size 3.5meter x 3 meter x 3meter self standing molted on rigidM.S. structure base frame work with vehicle support including the co cable door arrangement for cross ventilation as directed by engineer-in -charge. |
| 23 | Centering and shuttering including struttings, propping etc. and removal of formwork for : |
| 24 | Foundations, footings, bases for columns and mass concrete. |
| 25 | Providing and laying in position cement concrete 1:2:4(1 cement : 2 coarse sand: 4 graded granitic or basaltic stone aggregate 40 m nominal size) excluding cost ofcentering,shuttering and finishing : |
| 26 | All works upto plinth level |
| 27 | Supplying at store/site of work including railway freight, carting, loading, unloading, stacking etc. galvanized mild steel continuous weld tubes conforming to IS1239 (part I) 1975, with latest amendments screwed at both the ends as per IS : 554- pipe threads, one and fitted with socket other end with plastic protection ring at random lengths 4 - 7 meters |
| 28 | 50mm dia |
| 29 | 80mm dia |
| 30 | Conveying carefully from stack at sites 250m from both the sides rolling and lowering into trenches, laying, jointing G.I. Pipes with G.I Fittings of sizes given below true to line and level including fixing sockets, elbows tees bends, gland packing and other fittings with cutting and threading as required including hydraulic testing,etc. complete. |
| 31 | 50mm dia |
| 32 | 80mm dia |
| 33 | Supplying stacking at site and conveying hoisting, laying in position to correct line and level and linking joints of MS specials.fabricated from MS plate including cutting, bending, welding, procurement of plates, gas cutting to required size, rolling,tackwelding, assembling in suitable length toform special, welding on automatic machine and forming V edge on both ends of special as required,hydraulic pressuretest at factory to therequired test pressureconformingto IS : 3589-1991 including freightetc. complete |
| 34 | With 10 mm -12 mm thick plate |
| 35 | Tees, bends, reducers, |
| 36 | With 25 mm thick Plate |
| 37 | Flanges |
| 38 | Supply of Strainer/Dirt Box with M.S. body and SS mesh suitable for flanged connections in installation of Bulk water meters |
| 39 | 80mm dia |
| 40 | Earth work in excavation by mechanical means (hydraulic excavator)/manual means in foundation pipeline trenches, drain not exceeding 1.5m in width 10 sq.mon plan including dressing of sides ramming of bottoms for all lead and liftincluding setting out the excavated soil & disposal of surplus soil with all leadincluding providing barricading danger lighting guarding as directed by departmental officer in all typesstrata comprising any of the materials such as soil, silt sand clay gravel moorum of all conglomerated laterite rock, soft rock fissured shattered decomposed rock or weathered rock and all such other materials as described under Appendix A to these specification either in full or in parts as the case may be adopting any approved method of methods as may be convenient or permitted inclusive of chiselling, wedging etc, blasting probhibited in all conglomerates as directed by the Engineer-in-charge etc, complete. |
| 41 | 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 as directed by Engineer in Charge. |
| 42 | Hoisting laying cast iron sluice valves/butterfly valves/reflux valve of size given below at location in pipeline etc. complete as directed as perIS:2685-1971 CLASSI |
| 43 | 80mm dia |
| 44 | Providing and laying in position (1:11/2:3) Reinforced cement conrete excluding the cost of centering, shuttering, finishing and reinfrocement (1 cement: 1½ coarse sand:3 graded stone agg 20mm nominal size) |
| 45 | All works upto plinth level |
| 46 | Providing TMT steel reinforcement bars of (SAIL, TATA. VIZAG, JSW Steel Ltd.) )(Confirming to IS 1786 of 1986)for RCC work (conforming to I.S. 1786 of 1986) including bending, binding & placing in position in all the floorsalongwith the factory made precast concrete cover blocks of specified sizes whose compressive strength is not less than that of surrounding concrete in the structural member. |
| 47 | Welding by electric plant (using Ador or ES4B or Deh Secheron make electrodesonly ) |
| 48 | Supply at store or site of work including railway freight, carting, loading, unloading, stacking etc. Ductile Iron pipe specials including rubber ring fittingpush on joints conforming toIS : 9523 with inside cement mortar lining & externally coated with zinc with finishing layer of bituminous paint complete. |
| 49 | M.J.Collar |
| 50 | 200mm dia |
| 51 | Conveying carefully from stack at site, 250m from both sides rolling and lowering in trenches, laying and jointing true toline and level and perfect linking of joints |
| 52 | S & S flanged/plain ended specials |
| 53 | Applying priming coat with ready mixed primer of approved brand and manufacture on steel work. |
| 54 | Painting two or more coats (excluding priming coat) with superior quality ready mixed paint for steel work of approved brand & manufacture in all shades on new work to give an even shade. |
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