Common use of Excavation Clause in Contracts

Excavation. All excavation shall be carried out to the lines and levels shown on the drawings or to such lines and levels as the Engineer may direct. The Contractor shall trim all permanent excavation to the lines and levels shown on the drawings. Excavation shall generally be executed in such a manner as to ensure that the side slopes, as shown on the drawings, are not in any way endangered by undercutting. As far as practicable, all suitable materials from the excavations shall be used in embankment and backfill for structures. The Contractor shall dispose of unsuitable or excess soil of the excavated materials in a place that is acceptable to the local community and so that they do not interfere with proper functioning of the works. All necessary precautions shall be taken to preserve the material below and beyond the lines of all excavation in the soundest possible condition. Any damage to the work due to the Contractor’s operations, including shuttering to the material beyond the required excavation lines, shall be repaired at the expense of and by the Contractor. Any and all excess excavation or over excavation performed by the Contractor for any purpose or reason, except as may be directed in writing by the Engineer, and whether or not due to fault of the Contractor, shall be at the expense of the Contractor. Excavation taken out to a greater depth than is necessary shall be filled to the required level with concrete of appropriate class or other material approved by the Engineer. All such excess excavation and over excavation shall be filled at the expense of and by the Contractor. The bottom and side slopes of excavation against which concrete is to be placed shall be finished accurately to the dimension shown on the drawings or as prescribed by the Engineer and the surface so prepared shall be moistened with water and tamped or rolled with suitable tools or equipment for the purpose of securing a firm foundation. If at any point the natural foundation material is disturbed during the excavation process or otherwise, it shall be compacted in place, or it shall be removed and replaced with suitable earth materials or concrete at the expense of the Contractor.

Excavation. All excavation The Contractor will make application for all necessary street or highway opening permits necessary for the pursuit of the work. No street or highway opening shall be carried out to the lines and levels shown on the drawings or to such lines and levels as the Engineer may direct. The Contractor shall trim all permanent excavation to the lines and levels shown on the drawings. Excavation shall generally be executed in such a manner as to ensure that the side slopes, as shown on the drawings, are not in any way endangered by undercutting. As far as practicable, all suitable materials from the excavations shall be used in embankment and backfill for structures. The Contractor shall dispose of unsuitable or excess soil of the excavated materials in a place that is acceptable to the local community and so that they do not interfere with proper functioning of the works. All necessary precautions shall be taken to preserve the material below and beyond the lines of all excavation in the soundest possible condition. Any damage to the work due to the Contractor’s operations, including shuttering to the material beyond the required excavation lines, shall be repaired at the expense of and by the Contractor. Any and all excess excavation or over excavation performed made by the Contractor for any purpose or reason, except as may be directed until the appropriate permit has been received and is in writing by the Engineerhand, and whether or not due to fault of the Contractor, when such opening shall be at the expense of the Contractor. Excavation taken out to a greater depth than is necessary shall be filled to the required level with concrete of appropriate class or other material approved by the Engineer. All such excess excavation and over excavation shall be filled at the expense of and by the Contractor. The bottom and side slopes of excavation against which concrete is to be placed shall be finished accurately to the dimension shown on the drawings or as prescribed by the Engineer and the surface so prepared shall be moistened with water and tamped or rolled with suitable tools or equipment for the purpose of securing a firm foundation. If at any point the natural foundation material is disturbed during the excavation process or otherwisemade, it shall be done in strict accordance with the terms of the permit. When any pavement, regardless of type, must be cut, it shall be done in a neat and symmetrical manner by use of a saw, chisel, or other suitable method. In no case shall pavement be torn up with a backhoe bucket except between and inside of cuts previously made as above. Should any further pavement be broken, outside of the cuts, as by blasting, such damaged pavement shall be cut out in a neat and orderly fashion. The trench shall be dug so that the pipe can be laid to the alignment and depth required and shall be excavated in advance only to the extent necessary for the proper pursuit of the work; the amount excavated ahead may be controlled by the District representative. The trench shall be kept dewatered, such that no drainage water shall enter the pipe, and the end of the pipe shall be temporarily plugged off at night or over weekends, or whenever the work is suspended, or in cases where unstable material could cause a cave-in to enter into the exposed end of the pipe. The trench width shall be the minimum necessary to properly lay and joint the pipe, permitting whatever bracing or sheathing may be necessary in unstable material. The bottom of the trench shall be smooth and even and should be as nearly undisturbed as possible so that the barrel of the pipe may be laid in a flat bottom trench on good solid material. Shallow holes should be dug at the joints so that the barrel of the pipe shall be in contact as much as possible with the solid floor of the trench. In ledge installation or in boulders or other large stones, there shall be at least 6” clearance between the barrel of the pipe and any ledge. These clearances are the minimum to be permitted between any part of the pipe or appurtenance being laid and any part or projection or point of a rock, boulder or stone. The bottom of the trench may for a short distance, near the center of the pipe length, be left slightly low to permit the withdrawal of the slings with which the pipe is placed in the trench. This material shall be replaced and compacted mechanically when the pipe is in place. Likewise, if for any reason the bottom of the trench should be excavated below the desired grade, suitable material may be replaced to bring the bottom of the trench up to the proper grade before pipe is put in place. This material is to be mechanically compacted so as to give it a smooth, solid base for the pipe, subject to the approval of the District representative. When the bottom of the trench at subgrade is found to be unstable or to include cinders or other types of refuse, or it vegetable or other organic material, or large pieces or fragments of inorganic material or stone or rock, any such undesirable material shall be removed and replaced with suitable earth materials material before the pipe is placed. Such material as is used to replace unsuitable material in a trench bottom shall be compacted in layers of no more than 8” by mechanical means before the pipe is placed on it. In the case of unstable material, the District inspector may, at his discretion, order crushed stone or concrete at gravel to be used to stabilize the expense pipe bed before pipe is placed in the trench. All structural excavations and trenches shall be sheeted or braced as required for the safe pursuit of the Contractorwork, the protection of structures, the protection of other utilities, and as required by any Federal, state or municipal laws, ordinances or regulations. The Contractor shall be responsible for the design, adequacy and maintenance of all sheeting, sheet piling, bracing or other temporary structures or supports required. When the sheeting or shoring cannot be removed without endangering the new work, other structures or the security of the banks, it shall be left in place.

Excavation. A. All excavation shall be carried out made to such depth as required and of the lines and levels width shown on the drawings Contract Drawings to provide suitable room for building the structures and laying the pipe(s) they are to contain and for sheeting, shoring, pumping and draining as necessary, and for removing peat, silt, or to such lines and levels as any other materials which the Engineer may directdeem unsuitable. The Contractor Hand trench excavation may be required to protect existing utilities and structures. B. Trench excavation for pipes shall trim all permanent excavation be made by open cut to accommodate the pipe or structure at the depths indicated on the Contract Drawings. Excavation shall be made to such a depth and to the lines width indicated on the Contract Drawings so as to allow a minimum of six (6) inches of pipe zone bedding to be placed beneath the bottom of all structures and levels shown barrels, bells or couplings of all pipes installed unless otherwise specified on the drawings. Excavation . C. The bottom of the trench shall generally be executed in such accurately graded to provide a manner as to ensure that the side slopesuniform layer of bedding material, as shown on required, for each section of pipe. Trim and shape trench bottoms and leave free of irregularities, lumps, and projections. D. Stockpile excavated subsoil for reuse where directed or approved. E. Over excavation/under cut: If, in the drawingsopinion of the Engineer, are not in any way endangered by undercutting. As far as practicableexisting material below the trench grade is unsuitable for properly placing bedding material and laying pipe, all suitable materials from the Contractor shall excavate and remove the unsuitable material and replace the same with an approved pipe zone bedding material properly compacted. F. Stability of Excavation: Slope sides of excavations shall be used comply with local codes and ordinances having jurisdiction. Shore and brace where sloping is not possible because of space restrictions or stability of material excavated. Maintain sides and slopes of excavation in embankment and backfill for structures. The Contractor shall dispose safe condition until completion of unsuitable or excess soil backfilling. G. Removal of the excavated materials in a place that is acceptable to the local community and so that they do not interfere with proper functioning of the works. All necessary precautions shall be taken to preserve the material below and beyond the lines of all excavation in the soundest possible condition. Any damage to the work due to the Contractor’s operationsindicated subgrade elevations, including shuttering to the material beyond the required excavation lines, shall be repaired at the expense of and by the Contractor. Any and all excess excavation or over excavation performed by the Contractor for any purpose or reason, except as may be directed in writing without authorization by the Engineer, and whether or not due to fault of the Contractor, shall be at the expense of the Contractor. Excavation taken out to a greater depth than is necessary classified as unauthorized excavation and shall be filled performed at no additional cost to the required level with concrete of appropriate class or other material approved by the Engineer. All such excess excavation and over excavation shall be filled at the expense of and by the Contractor. The bottom and side slopes of excavation against which concrete is to be placed shall be finished accurately to the dimension shown on the drawings or as prescribed by the Engineer and the surface so prepared shall be moistened with water and tamped or rolled with suitable tools or equipment for the purpose of securing a firm foundation. If at any point the natural foundation material is disturbed during the excavation process or otherwise, it shall be compacted in place, or it shall be removed and replaced with suitable earth materials or concrete at the expense of the ContractorOwner.

Excavation. All (1) General, all structures. The Contractor shall notify the Engineer sufficiently in advance of the beginning of any excavation so that cross-sectional elevations and measurements may be taken on the undisturbed ground. The natural ground adjacent to the structure shall not be disturbed without permission of the Engineer. Trenches or foundation pits for structures or structure footings shall be carried out excavated to the lines and levels grades or elevations shown on the drawings Plans or as staked by the Engineer. They shall be of sufficient size to such lines permit the placing of structures or structure footings of the full width and levels as the Engineer may directlength shown. The Contractor shall trim all permanent excavation to elevations of the lines and levels shown on the drawings. Excavation shall generally be executed in such a manner as to ensure that the side slopesbottoms of footings, as shown on the drawings, are not in any way endangered by undercutting. As far as practicable, all suitable materials from the excavations shall be used in embankment and backfill for structures. The Contractor shall dispose of unsuitable or excess soil of the excavated materials in a place that is acceptable to the local community and so that they do not interfere with proper functioning of the works. All necessary precautions shall be taken to preserve the material below and beyond the lines of all excavation in the soundest possible condition. Any damage to the work due to the Contractor’s operations, including shuttering to the material beyond the required excavation linesPlans, shall be repaired at considered as approximate only and the expense Engineer may order, in writing, such changes in dimensions or elevations of and by the Contractor. Any and all excess excavation or over excavation performed by the Contractor for any purpose or reason, except footings as may be directed in writing deemed necessary, to secure a satisfactory foundation. Trenches or foundation pits for structures or structure footings shall be excavated to the lines and grades or elevations shown on the Plans or as staked by the Engineer, and whether . They shall be of sufficient size to permit the placing of structures or not due to fault structure footings of the Contractorfull width and length shown. The elevations of the bottoms of footings, as shown on the Plans, shall be at considered as approximate only and the expense Engineer may order, in writing, such changes in dimensions or elevations of the Contractorfootings as may be deemed necessary, to secure a satisfactory foundation. (2) Structures other than pipe culverts. Excavation taken out All rock or other hard foundation materials shall be cleaned all loose materials, and cut to a greater depth than is necessary shall be filled to the required level with concrete of appropriate class firm surface, either level, stepped, or other material approved serrated as directed by the Engineer. All such excess excavation and over excavation seams or crevices shall be filled at cleaned and grouted. All loose and disintegrated rocks and thin strata shall be removed. When the expense of and by footing is to rest on material other than rock, excavation to final grade shall not be made until just before the Contractor. The bottom and side slopes of excavation against which concrete footing is to be placed shall be finished accurately to placed. When the dimension shown on the drawings or as prescribed by the Engineer and the surface so prepared shall be moistened with water and tamped or rolled with suitable tools or equipment for the purpose of securing a firm foundation. If at any point the natural foundation material is disturbed during soft or mucky or otherwise unsuitable, as determined by the Engineer, the Contractor shall remove the unsuitable material and backfill with approved granular material. This foundation fill shall be placed and compacted in 150 mm (6 inches) layers up to the foundation elevation. When foundation piles are used, the excavation process or otherwise, it of each pit shall be compacted in place, or it completed before the piles are driven and any placing of foundation fill shall be removed done after the piles are driven. After the driving is completed, all loose and replaced with suitable earth displaced materials or concrete at shall be removed, leaving a smooth, solid bed to receive the expense of the Contractorfooting.

Excavation. All The excavation to be carried-out under these specification shall consists of furnishing all the tools, plants, labour and materials required in carrying out excavation of different materials. The excavation shall be carried out done to the lines and levels defined and to the correct size of foundation concrete. This shall also include, where required, temporary sheet piling or sheathing, bracing and shoring used to maintain excavation, maintenance without interruptions to service lines such as cables, wires, duct lines, water supply, and/or drainage pipes encountered within the area of excavation or within reasonable distance of excavation and also the furnishing, creating and maintaining of substantial barricades around excavation areas, 'Red' lamps (in the night) & notice boards for ensuring safety. The Contractor shall immediately after beginning of excavation, put proper fencing all around the excavated pit as directed by the Engineer-in-Charge at his own expense and shall keep the same till all plinth work is completed. Contractor should get the excavation work inspected and approved by the Engineer-in-charge before any further works in excavation areas commence. The Contractor must take every precaution to maintain the earth surrounding the site in perfectly safe condition for the excavation. No excavated material or any other heavy load will be allowed to be imposed on the ground adjacent to any excavation. The Contractor should carry out the excavation work to the level spaces and dimensions as shown or figured on the drawings or as required by the Architects/Consulting Engineers to such lines and levels as receive the Engineer may directconcrete work. The Contractor term excavation as herein used shall trim all permanent excavation include excavations, removal and transportation of the excavated materials to the lines and levels shown on dump areas, refilling the drawings. Excavation shall generally be executed excavated earth in such a manner as to ensure that the side slopestrenches, as in general, when shown on the drawings, are not specified in any way endangered by undercutting. As far as practicable, all suitable materials from the excavations shall be used in embankment and backfill detail for structures. The Contractor shall dispose of unsuitable particular items or excess soil of the excavated materials in a place that is acceptable to the local community and so that they do not interfere with proper functioning of the works. All necessary precautions shall be taken to preserve the material below and beyond the lines of all excavation in the soundest possible condition. Any damage to the work due to the Contractor’s operations, including shuttering to the material beyond the required excavation lines, shall be repaired at the expense of and by the Contractor. Any and all excess excavation or over excavation performed by the Contractor for any purpose or reason, except as may be directed in writing by the Engineer, and whether or not due to fault of the Contractor, shall be at the expense of the Contractor. Excavation taken out to a greater depth than is necessary shall be filled to the required level with concrete of appropriate class or other material approved by the Engineer. All such excess excavation and over excavation shall be filled at the expense of and by the Contractor. The bottom and side slopes of excavation against which concrete is to be placed shall be finished accurately to the dimension shown on the drawings mentioned herein after or as prescribed directed by the Engineer and will cover lead, lift and other items pertaining to and specified for this class of work, It shall also include dumping of excavated materials in regular heaps, bounds, riprap with regular slopes as directed by the surface Engineer and levelled so prepared as to provide natural drainage. As a rule, all softer materials shall be moistened laid along the centre of the heaps, the harder and more weather resisting materials forming the casing on the sides and the top. Where consolidation is specified, it is intended that the contractor shall use heavy road rollers for consolidating with water and tamped or rolled with suitable tools or equipment for the purpose of securing a firm foundation. If at any point the natural foundation material is disturbed during the excavation process or otherwisesprinkling, it shall be compacted in place, or it shall be removed and replaced with suitable earth materials or concrete at the expense of the Contractoras directed.