Kerala Water Authority-KWA has published Amrut-1.0 - Kozhikode Water Supply Project-Cheruvannur Zone - Laying Of 250Mm Di K9 Pipethrough Major Sandeep Unnikrishnan Roadunder Section 1/1.-Pipeline Work. Submission Date for this Tender is 19-04-2023. Pipe Laying Tenders in Kozhikode Kerala. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 04-Apr-2023 | DATE | Date | 11-04-2023 |
| 2 | 11-Apr-2023 | DATE 2 | Date | 19-04-2023 |
| Sl. No. | Item Description |
| 1 | Appendix-A - Working charge ( Cost Index - 36.44 %) |
| 2 | 100.59.1:Cutting the bituminous / concrete roads with cutting machine for a minimum depth of 200mm along the sides of proposed alignment of the pipe to be laid without causing any damage to other utilities, including the charges for hire and conveyance of tools and plant, cost of consumables and charges for lighting, watching, ribbon fencing, caution boards, traffic diversion, and as per the direction of departmental officers etc. complete, before carrying out the demolition of bituminous / concrete road by mechanical means and carrying out the excavation. |
| 3 | 15.2.1:Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) |
| 4 | 15.43.2:Dismantling manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer -in-Charge:Bituminous road |
| 5 | 100.8.1:Fencing one side of trenches, 1.50m height with two rows of 10cm plastic caution tape in vertical casuarina pole (girth 15cm to 24cm) fixed at 2m intervals. |
| 6 | 100.1.1:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in all kinds of soil. |
| 7 | 18.68.1:Providing and laying D.I specials of class K - 12 suitable for push - on jointing as per IS : 9523 :Upt 600 mm dia |
| 8 | 18.69.1:Providing and laying D.I Specials of Class K - 12 suitable for mechanical jointing as per IS : 9523 :Upto 600 mm dia |
| 9 | 100.37.8.3:Cutting 250mm (I.D.) M.S. pipes for making bends and other specials by gas cutting including cost of gas, all labour and hire charges of tools etc., complete: For pipes fabricated with 8mm thick M.S. plates. |
| 10 | 100.14.4:Conveying and laying S&S Centrifugally Cast (Spun) / Ductile Iron Pipes conforming to IS: 8329 excluding cost of pipes and specials: 250mm diameter Ductile Iron Class K-9 Pipes. |
| 11 | 18.70.4:Providing push - on-joints to Centrifugally (Spun) Cast Iron Pipes or Ductile Iron Pipes including testing of joints and including the cost of rubber gasket:250 mm dia pipes |
| 12 | 18.73.4:Providing and laying Double Flanged ( Screwed / Welded ) Centrifugally (Spun) Ductile Iron Pipes of Class K - 9 conforming to IS: 8329 :250 mm dia Ductile Iron Double Flanged |
| 13 | 100.35.4:Testing 250mm DI/CI pipeline with potable water to the required test pressure . 250 mm dia Observed Data derived from item no.1022 of PHED DATA |
| 14 | 100.31.2.6:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 250mm diameter, Class II. |
| 15 | OD183950/2022-2023:providing surface box with protection tube with 200mm pvc 10kg pipes, 70cm length for valves etc. |
| 16 | 100.41.39:Supply, stacking, spreading and consolidating of Quarry Muck in the trench of pipe line, including carriage, loading, unloading & stacking up to any lead. |
| 17 | 4.1.4:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 )1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size) |
| 18 | OD183955/2022-2023:Making connection from 63/75/90/110/140/160/200/250 mm dia PVC pipe line to the proposed line by cutting and providing suitable size PVC tee, the charges including all provisions for BT cutting, earth work excavation in all classes of soil, bailing out water, fencing, labour for controlling, traffic and valves,, providing and filling quarry muck in the trenches etc. complete |
| 19 | Appendix B-Cost of materials (cost Index- 36.44%) |
| 20 | 100.98.462:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 250mm. |
| 21 | OD184204/2022-2023:Supplying 250mm CID joint including all cost of materials conveyance etc, complete. |
| 22 | 100.98.118:Supply of DI K9 Pipe Conforming to IS 8329/2000, 250mm Dia. |
| 23 | ROAD REFORMATION CHARGE |
| 24 | 4.1.A.1:Granular Sub-base with Well Graded Material (Table 400.1)(A) By Mix in Place MethodConstruction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401.(i) For Grading I Material |
| 25 | 4.9:Wet Mix MacadamProviding, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kN weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406.By Mechanical Means with 1 km lead |
| 26 | 5.1.2a:Prime Coat <br> Medium porosity :- Providing and applying primer coat with Bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.90- 1.2 kg/sqm using mechanical means as per Technical Specification Clause 502. |
| 27 | 5.2.3a:Tack Coat Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503. |
| 28 | 5.9.1.2a:20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder - Bitumen S-65Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508.Case - I By Manual Means(II) Bitumen (S-65) |
| 29 | 5.12.A.3.2a:Seal Coat - Manual Means - Type C - Bitumen S-65Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510A. By Manual Means :- Case - III : Type C(II) Bitumen (S-65) |
| 30 | 75.8.1.1.A:Providing Plain cement concrete for wearing coat CC 1:2:4 (1 cement: 2 fine aggregate:4 course aggregate) laid to required slope as required including compaction, finishingand tamping etc .complete. Max. size of course aggregate not exceeding 25mm , mixedin concrete mixer etc complete as per specification (i) Nominal mix (1:2:4) |
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