Public Works Department-PWD has published Tender For Laying Of 200 Mm Dia Di Pipeline For Releasing Water Connection To New Aai Residential Building In Property Bearing Survey No. 41/3-A, Of Village Dabolim In Dabolim Constituency (Deposit Work).. Submission Date for this Tender is 06-06-2023. Pipe Laying Tenders in dabolim Goa. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Earthwork in excavation by mechanical means(hydraulic excavator) manual means in foundation pipeline trenches or drains not exceeding 1.5m in width 10sqm on plan including dressing of sides, ramming of bottoms, for all lead andlift including getting out the excavated soil and disposal of surplus soil with all lead including providing, barricading danger lighting guarding as directed by the departmental officer in all types ofstrata 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 permittedinclusive of chiselling, wedging, etc, blasting prohibited in all conglomerates as directed by the Engineer-in-charge etc. complete. |
| 2 | 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 metres, 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. |
| 3 | a) By Manual Means: |
| 4 | 1) Rural Road |
| 5 | 2) District Road, State highways, National highwayand roads of similar standards |
| 6 | Supplying at store or site of work including railway freight, carting, loading and unloading, stacking etc. Centrifugally cast, (spun) ductile iron pressure pipes (with socket/spigot ends) conforming to IS : 8329-2000 with cement mortar lining inside the pipe and outside zinc coat as per IS : 8329-2000 with up to date amendments suitable for jointing with rubber gasket known as TYTON joints. Class K-9 . |
| 7 | Nominal Diameter in mm |
| 8 | a) 200 |
| 9 | Supplyingat store or at site of work cast iron specials for mechanicaland push on flexible joints as per IS:13382 - 1992including Sealing rubber gaskets (NR), CI compression glands and coated MS Nuts bolts. |
| 10 | I) Double socket 90 degree Bends. |
| 11 | Nominal Dia in mm |
| 12 | a) 200 |
| 13 | II) Double socket 45 degree Bends. |
| 14 | Nominal Dia in mm |
| 15 | a) 200 |
| 16 | III) Double socket 22.5 degree Bends. |
| 17 | Nominal Dia in mm |
| 18 | a) 200 |
| 19 | IV) All Socket Tee |
| 20 | Nominal Dia in mm |
| 21 | a) 200 x 200 x 200 |
| 22 | Supplying cast iron fittings as perIS : 1538 -1993 including sealing rubber gasket (NR) CI Compression glands and coated MS Nuts bolts. |
| 23 | I) Mechanical CompressionCollar Coupling |
| 24 | Nominal Dia in mm |
| 25 | a) 200 |
| 26 | II) Flanged Socket Tail piece ( Flanged Adaptors) |
| 27 | Nominal Dia in mm |
| 28 | a) 200 |
| 29 | III) Joint End Cap |
| 30 | Nominal Dia in mm |
| 31 | a) 200 |
| 32 | Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. Cast iron double flanged manually operated Sluice Valve generally conforming to IS : 14846 - 2000 having body, door, dome, gland in graded cast iron to IS:210 Gr. FG 200, four faces and spindle nut of leaded tin bronze to IS:318 Gr. LTB 2, inside screw of non-rising stainless steelAISI 410,spindle, Flanges drilled to IS:1538 Table 4 & 6. Valves tested by closed end method only (350mm and above will be fitted with BTB and Spur gear box. and back seat bush) TYPE P.N. 1.0 (Class A) |
| 33 | Nominal Diameter in mm |
| 34 | a) 200 |
| 35 | Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. C. I. Double orifice type air valve similar to glenfield fig. H 7, or IS14845/2000 screwed on isolating valve small orifice, elastic ball resting on a bronze orifice nipple, large orificevulcanite ball resting on a moulded seating, inlet faced and drilled BST "D" suitable to working pressure of 10 kg /cm2 TYPE P.N. |
| 36 | Dia in mm |
| 37 | a) 50 |
| 38 | 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 |
| 39 | a) Cast iron or Ductile iron or A.C. or S & S or flanged & PVC pipes. |
| 40 | Jointing of C.I/D.I pipes and specials with rubber gaskets (TYTON joints) SBR type including cleaning the socket and spigot ends with kerosene oil/below lamp and applying soft soap to socket and spigot ends before inserting for rubber gasket jacking and fixing in proper condition including cost of rubber gasket, oil, soft soap and hydraulic testing of jointing as per IS:3144-1985 |
| 41 | Nominal diamter in mm. |
| 42 | a) 200 |
| 43 | Making joints to D.I/ C.I pipes with mechanical joints by nut bolts rubber rings that are provided with the joints,for pushon tight joints including the cost of work force, tools, hydraulic testing of joints etc complete as per the direction of the engineer in-charge. |
| 44 | I) Double socketed specials such as bends, collar couplings etc |
| 45 | Nominal Diameter in mm |
| 46 | a) 200 |
| 47 | II) All Socket Tee |
| 48 | Nominal Diameter in mm |
| 49 | a) 200 x 200 |
| 50 | Making joints to D.I/ C.I pipes with mechanical joints by nut bolts rubber rings that are provided with the joints,for pushon tight joints, and including the cost of rubber ring, nut bolts, for flanged joint, including the cost of work force, tools, hydraulic testing of joints etc complete as per the direction of the engineer in-charge. |
| 51 | Flanged Socket |
| 52 | Nominal Dia in mm |
| 53 | a) 200 |
| 54 | Fixing C.I. Double orifice / Kinetictype air valve of following sizes with bronze ferrule at inlet screwed on isolating valve small orifice elastic ball resting valve small orifice elastic ball resting on small bronze orifice nipple and large orifice vulcanite ball resting on moulded seat ring inlet faced and drilled to BST "D" suitable to working pressure of 10 kg/sq. cm. |
| 55 | Nominal diamter in mm. |
| 56 | a) 50 |
| 57 | 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 |
| 58 | Nominal Dia in mm. |
| 59 | a) 200 |
| 60 | Construction of masonry chamber 90 x 90 x100 cm inside in 40kg/sq. cm laterite masonary in neatly dressed stonescomplete with 23 cms wall thickness and in cement mortar 1:4 ( 1 cement : 4 coarse sand) for sluice valve of sizes 100 mm, 120 mm 150 mm and 200mm diawith necessary excavation, foundation concrete 1:5:10 ( 1 cement : 5 coarse sand: 10 graded stone ballast 40 mm nominal size) andinside plastered with CM 1:3 ( 1 cement : 3 coarse sand)finished with floating coat of neat cement complete and chamber cover as specified below etc. all complete as per standard drawing . (rate is inclusive of rate earthwork excavation, cost of surface coverand all other materials and labour and as per details below) |
| 61 | a) with M.S. sheet coverwith 12mm thick M.S. plate and frame of Angle iron50x50x6mmin 120 mm thick RCC slab coverin cement concrete 1:2:4 ( 1 cement: 2 coarse sand: 4 graded stone ballast 20 mm nominal size) |
| 62 | 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. |
| 63 | Repairs and reinstatementto the road for trenches made by laying water supply pipeline, by removing the refilled material in the trenchfor thetotal depth of 0.40m and making good the road surface by providinglaying rollingby road roller compactingfor laterite soling 30cm thick, two layer of full grout of 50mm thick each as per specificationsmentioned in item no 14086 of road GSR, completeas per the direction of the engineer incharge. |
| 64 | a) Rural road. |
| 65 | Repairs and reinstatementto the road for trenches made by laying water supply pipeline, by removing the refilled material in the trenchfor thetotal depth of 0.42m and making good the road surface by providinglaying rolllingby road roller compactingfor laterite soling 30cm thick, two layer of full grout of 50mm thick each, tack coat and open graded premix carpet of 20mm thickness as per specificationsmentioned in item nos 14086, 14093, 14051 & 14068 of road GSR respectively, completeas per the direction of the engineer incharge. |
| 66 | District Road, State highway, National highway and roads of similar standards |
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