Public Works Department-PWD has published Tender For Maintenance Of Water Supply System Maintenance Of 3000Cum Sump At Verna Pumping Station And 1500Cum Sump At Gogal Pumping Station Including Other Allied Works. Submission Date for this Tender is 31-03-2023. Water Supply Project Tenders in margao Goa. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Cleaning of 3000Cum Capacity water Storage Sump ( 38.76 X 40.00 X 4.30mts) with two Compartments including dewatering, removing silt and scraping walls and columns and cleaning with water jet etc. Complete. |
| 2 | Cleaning of 1500Cum Capacity water Storage Sump (32.00 x 15.40 x 4.40mt. ) with two Compartments including dewatering, removing silt and scraping walls and columns and cleaning with water jet etc. Complete. |
| 3 | Earthwork in excavation by mechanical means (hydraulic excavator)/manual means in foundation pipeline trenches drain (not exceeding 1.5 m in width or 10 sq.m. on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 50 m. |
| 4 | All types of Ordinary rock including all types of laterite rock, blasting prohibited. |
| 5 | Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete. |
| 6 | Providing & laying cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 river pebbles 40mm nominal size) excluding cost of centering, shuttering and finishing in: |
| 7 | All works upto plinth level |
| 8 | Laterite masonry in neatly dressed stones of size as specified in cement mortar 1: 4 (1 cement : 4 coarse sand) in foundation and basement. |
| 9 | 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 : |
| 10 | All works upto plinth level |
| 11 | 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. |
| 12 | 12mm cement plaster 1:4 (1 cement : 4 fine sand) |
| 13 | Supply, unloading and spreading of granite or basaltic metal of 50mm nominal size in the substationswitchyard as directed by Engineer-in-charge. |
| 14 | Steel work welded (SAIL, TATA. VIZAG & using electrodes of Ador or ES4B or Deh Secheronmake only)in built up sections trusses and framed work including cutting, hoisting, fixing in position and applying priming coat of red lead paint. |
| 15 | In tees, angles, flats and channels |
| 16 | Providing and fixing G.I. chain link mesh 6.35cm x 6.35 cm x 10 gauge (2.5” x 2.5” x 10 gauge) fixed with angle iron posts and struts by G.I. or M.S. staples at 20cms apart with welding with the iron posts (placed at 3 meters centre to centre) including providing barbed wire stiffeners (shall weigh 9.33 kg. per 100 meters minimum) at top and bottom with barbed wire stiffers by binding wires at 50cms centre to centre complete as per the direction of the Engineer – in – charge (angle iron posts struts, earthwork and concrete for fencing posts and struts to be paid separately) |
| 17 | Dismantling asbestos sheet roofing including ridges, hips valley and gutters and stacking the material within 50 meters lead. |
| 18 | Providing and fixing colour coated galvulium roofing sheets of 0.5mm thickness including all the accessories (TATA make) but excluding the cost of purlins, rafters, trusses, flashings etc. complete as per the directions of the Engineer in charge. |
| 19 | Providing and fixing prefabricated compoundgate of G.I. pipes 40 – 50 mm dia (medium) with12mm M.S. square bars of G.I. pipes grill work asper drawing including providing & fixing lockingarrangements, pintals, hold fast embedded incement concrete 1:2:4 (1 cement: 2 coarse sand :4 granitic or basaltic aggreate 20mm nominalsize) including applying priming coat with readymixed red lead paint and painting 2 or morecoats with superior ready mixed paint ofapproved brand and manufacture in all shadesas per direction complete. |
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