Tender For Repair. Overhauling, Replacement By Supply, Fabrication, Transportation, Erection With Painting And Testing Of 10 (Ten) Nos, Spillway Radial Gates Of Size 12.190 Mtr X 12.190 Mtr With Hoisting Arrangements And Repair To Cracks & Nose Porti
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Project Description
Tender for Repair. Overhauling, Replacement By Supply, Fabrication, Transportation, Erection With Painting And Testing Of 10 (Ten) Nos, Spillway Radial Gates Of Size 12.190 Mtr X 12.190 Mtr With Hoisting Arrangements And Repair To Cracks & Nose Portion Of The Piers Of Spillway Of Balimela Dam (Joint ) Project As Per Drawings, Scope Of Work And Instruction Of Engineer-In-Charge
BOQ
| Sl. No. | Item Description |
| 1 | RADIAL GATES-(Size 12.190 Mtr. x 12.190 Mtr.) |
| 2 | Overhauling of trunnion assembly by greasing trunnion pins by grease gun , labour,including hire charges of machinery, equipments, tools & tackles oxygen gas, DA gas etc and as per direction of Engineer-in-charge.. |
| 3 | Replacement by dismantling & removing old and damaged pressure plates,M.S.flat , Rubber seals,fastners with fitting of new Rubber seals , pressure plate , M.S. flat & fastners (to be supplied by OCCL) including labour, hire charge of machinery, equipments, tools & tackles, oxygen gas, DA gas etc and as per direction of Engineer-in-charge. |
| 4 | Replacement by dismantling & removing old and damaged guide roller assembly with fitting of new ones (to be supplied by OCCL) including greasing , labour, hire charge of machinery, equipments, tools & tackles, oxygen gas, DA gas etc and as per direction of Engineer-in-charge |
| 5 | Painting of upstream & downstream side of 10 Nos. of radial gate including skin plate, horizontal girder, end arm, trunnion assembly after surface preparation by blast cleaning process, performed with sand as per requirements and class 'A' of IS : 14177:1994. After blast cleaning, the surface should be cleaned from loose dust and debris preferably by air blast with help of blower. Over the prepared surfaces two coats of zinc rich primer should be applied to give a total dry film thickness of 70 ± 5 microns followed by two coats of solvent less coal tar epoxy paint applied at an interval of 24 hours. Each coat should give a minimum dry film thickness of 150±5 microns. The total dry film thickness of all the coats including primer coating should not less than 350 ±5 microns as per IS: 14177:1994 including sand, labours, machinery, equipments, scaffolding, paints, primer, thinner,painting accessories etc.(to be supplied by Job-Worker) as per direction of Engineer-in-charge.. |
| 6 | .Replacement by dismantling & removing old and damaged Turn buckles with fitting of new ones (to be supplied by OCCL) including labour, hire charge of machinery, equipments, tools & tackles, oxygen gas, DA gas etc and as per direction of Engineer-in-charge |
| 7 | Replacement by dismantling & removing old and damaged Socketted wire rope assembly with fitting of new ones (to be supplied by OCCL) and equalising with turnbuckles including labour, hire charge of machinery, equipments, tools & tackles, oxygen gas, DA gas etc and as per direction of Engineer-in-charge. |
| 8 | Replacement of worm reducers by dismantling & removing existing one and refitting the same after repair & overhauling ( to be done by OCCL) including labour, hire charge of machinery, equipments, tools & tackles, oxygen gas, DA gas etc and as per direction of Engineer-in-charge |
| 9 | Replacement by dismantling & removing old and damaged position indicator with fitting of new ones (to be supplied by OCCL.) including labour, hire charge of machinery, equipments, tools & tackles, oxygen gas, DA gas etc and as per direction of Engineer-in-charge |
| 10 | Greasing all gear, pinion, rope drum, bearing & housing, gear oil topping in worm reducer, application of cardium compound on socketted wire ropes, alignment of lineshafts with Testing of Gates & Hoists including labour, hire charge of machinery, equipments , tools & tackles oxygen gas, DA gas etc and as per direction ofEngineer-in-charge |
| 11 | Painting of rope drum hoisiting arrangements of 10 Nos. of Radial Gates after surface preparation by blast cleaning process, performed with sand as per requirements and class 'A' of IS : 14177:1994. Over the prepared surfaces two coats of zinc phosphate primer giving minimum dry film thickness of of 40 ± 5 microns per coat followed by one coat of alkyl based Micaceous Iron Oxide paint giving minimum dry film thickness of 65 + 5 microns and two coats of synthetic enamel paints / Aluminium paint conforming to IS: 2932 giving minimum dry film thickness of 25 + 5 microns per coat (For structural components, machinery, unmachined surfaces, machined surfaces) are to be applied with an interval of 24 hours each coat of dry film thickness of all the coats including primer coats not less than 175 microns complete as per IS: 14177:1994 including sand, labours, machinery, equipments, scaffolding, paints, primer, thinner,painting accessories etc.(to be supplied by Job-Worker) as per direction of Engineer-in-charge.. |
| 12 | CIVIL WORK |
| 13 | Clearing the concrete surface by using Mechanical tools, wire brush, T&P with all safety equipments and necessary arangements to scaffolding to reach the required height to make the surface clean and free of foreign material and contaminants including waterjet cleaning etc. with all leads and lifts as directed by the Engineer-in-charge. |
| 14 | Treatement of pier Nose Portion: Laying of new concrete with M20 grade concrete in proportion (1:1.5:3 ) polymer bonding agent like Bulwark SBR or equivalent product should be added for enhancing bonding between old and new concrete per bag of concrete use 1ltr of SBR. Before laying of new concrete cement slurry with SBR should be applied. |
| 15 | Treatment of Cracks of Pier: Steps 1: |
| 16 | Groove Cutting and Cleaning: Groove cutting of approx . 25mm X 50mm along with concrete cutter and cleaning the grooves surface with air blower and water jet by deploying export labours having exprerience of working on multi stoney structures with using latest machines, tools and all safety equipments to mkae the surface clean and free of foreign material and contaminants etc. |
| 17 | Priming of cut groove and filling : Providing and applying prime coat / bond coat on the cut groove followed by groove filling with cement based, low shrinkage and polypropylele fiber reinforced crystalline repair mortar. |
| 18 | Nozzle Fixing: Providing and fixing nozzle of 10mm-12mm diameter and 350mm length along with the construction joints by using high strength repair motor. Nozzle will be fixed in a distance of 1meter each. |
| 19 | Filling the construction joints: Filling of the bottom 25mm X 25mm depth by low shrinkage fiber reinforced cementious crystalline based high strength mortar having properties of : I ) Superior boind strength of 2.3 Mpa as per ACI-503R, ii) Chemical durability(Mass loss negligible i.e. 0.22 % in 84 days-ASTM C 267), iii) High strength (59.3 Mpa @ 28 days-ASTM C 109), iv) Rapid chloride permeability (420 coulombs @ 90 days -ASTM C 1202) to be applied by gloved hand using all safety arrangements as directed by the Engineer -in- Charge. |
| 20 | Treatment of Cracks of Pier: Steps 2: |
| 21 | Filling the remaining depth of 25mm X 25mm depth by low shrinkage fiber reinforced cementious crystalline based high strength mortar having properties of : i) Superior bond strength of 2.3 Mpa as per ACI-503R, ii) Chemical durability (Mass loss negligible i.e. 0.22 % in 84 days-ASTM C 267), iii) High strength (59.3 Mpa @ 28 days-ASTM C 109), iv) Rapid chloride permeability (420 coulombs @ 90 days -ASTM C 1202) to be applied by gloved hand using all safety arrangements as directed by theEngineer -in- Charge.. |
| 22 | Plugging the leaking points: Curring the construction joints along with defective and damaged concrete in U-shapped groove and fixing PVC nozzle of required size at a distance of 1.0 Mtr each. Filling and sealing the groove with XYPEX patch N plug a fast setting cement ious mortar upto 20/25 mm thick to stop the water ingression. |
| 23 | Supplying , fitting and placing uncoated HYSD bar reinforement complete as per drawing and technical specification including cost, conveyance, loading unloading of materials, labour charges, taxes & cess etc. complete as per direction of Engineer -in-Charge. |
| 24 | Rigid and smooth centering and shuttering for C.C works including false works and dismantling them after casting inclucding cost of materials complete as per direction of Engineer-in-charge for RCC Beams, Columns, Girder etc. |
| 25 | Scaffoldings Please Enable Macros to View BoQ information |
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