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Irrigation Department

Raichur, Karnataka

  • Opening Date

    26 Feb 2019

  • Closing Date

    05 Mar 2019

  • Tender Amount

    Refer document

  • EMD

    ₹ 9,375




Consultancy Service For Submission Of Dpr, Dts With Detailed Survey, Report, Design, Drawings And Other Relevant Records For The Work Of Rejunuvation, Desilting Of Maliyabad Tank And Proving Lift Irrigation Scheme To Formars In Raichur Constituency Of Raichur District

- 1 - SECTION 200 SITE CLEARANCE 200.1 SPECIFICATIONS FOR CLEARING AND GRUBBING 200.1.1 Scope - This work shall consist of cutting, removing and disposing of all materials such as trees, bushes, shrubs, stumps, roots, grass, weeds, top organic soil not exceeding 150 mm in thickness, rubbish etc., which in the opinion of the engineer are unsuitable for incorporation in the works, from the area of road land containing road embankment, drains, cross-drainage structures and such other areas as may be specified on the drawings or by the engineer. It shall be include necessary excavation, backfilling of pits resulting from uprooting of trees and stumps to required compaction, handling, salvaging, and disposal of cleared materials. Clearing and grubbing shall be performed in advance of earthwork operations and in accordance with the requirements of these Specifications. 200.1.2 Preservation of property/amenities - Roadside trees, shrubs, any other plants, pole, lines, fences, signs, monuments, buildings, pipelines, sewers and all highway facilities within or adjacent to the highway which are not to be disturbed shall be protected from injury or damage. The contractor shall provide and install at his own expense, suitable safeguards approved by the engineer for this purpose. During clearing and grubbing, the contractor shall take all adequate precautions against soil erosion, water pollution, etc., and where required, undertake additional works to that effect vide clause 300.6. Before start of operations, the contractor shall submit to the engineer for approval, his work plan including the procedure to be followed for disposal of waste materials, etc., and the schedules for carrying out temporary and permanent erosion control works as stipulated in clause 300.6.3. 200.1.3 Methods, tools and equipment - Only such methods, tools and equipment as are approved by the engineer and which will not affect the property to be preserved shall be adopted for the Work. If the area has thick vegetation/roots/trees, a crawler or pneumatic tyred dozer of adequate capacity may be used for clearance purposes. The dozer shall have ripper attachments for removal of tree stumps. All trees, stumps, etc., falling within excavation and fill lines shall be cut to such depth below ground level that in no case these fall within 500 mm of the subgrade. Also, all vegetation such as roots, under-growth, grass and other deleterious matter unsuitable for incorporation to the satisfaction of the engineer. On areas beyond these limits, trees and stumps required to be removed as directed by the engineer shall be cut down to 1m below ground level so that these do not present an unsightly appearance. All branches of trees extending above the roadway shall be trimmed as directed by the engineer. - 2 - All excavations below the general ground level arising out of the removal of trees, stumps, etc., shall be filled with suitable material and compacted thoroughly so as to make the surface at these points conform to the surrounding area. Anti-hills both above and below the ground, as are liable to collapse and obstruct free subsoil water flow shall be removed and their workings, which may extend to several metres, shall be suitably treated. 200.1.4 Disposal of materials - All materials arising from clearing and grubbing operations shall be the property of government and shall be disposed of by the contractor as hereinafter provided or directed by the engineer. Trunks, branches and stumps of trees shall be cleaned of limbs and roots and stacked. Also boulders, stones and other materials usable in road construction shall be neatly stacked as directed by the engineer. Stacking of stumps, boulders, stones, etc., shall be done as specified spots with all lifts and upto a lead of 1000m. All products of clearing and grubbing which, in the opinion of the engineer, cannot be used or auctioned shall be c

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