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SECTION 5 TECHNICAL SPECIFICATION TECHNICAL SPECIFICATIONS EARTH WORK 1.0 PREPARATION OF WORK AREAS – 1.01 The centre line of the canal is to be marked on the ground at 30 meter intervals in straight reaches ,and at 10m interval in the curve portions. The extent of bed width shall have to be marked at similar intervals on both ends .Permanent reference pillars and bench mark pillars shall have to be left both sides,and at other suitable portions for checking of the alignment and gradient of the canal. This will be done by Contractor at his own cost under the guidance of the Engineer in Charge or his authorized representatives.Bench markvalue of permanent pillar will be supplied by the Executive Engineer ,All plans would be joinetly prepared and kept in the office of the Executive Engineer for record and guidance.Labour materials and tools etc.required for the job shall have to be provided by the contractor at his own cost. 1.02 All shrubs etc. lying along the alignment ,and in the entire width of canal area shall have to be cut, destumped uprooted and removed by the contractor within item rate of excavation or stripping . The disposal of these materials shall have to be done as per direction of Engineer –in-Charge . 1.03 The degbelling of the canal showing different location ,like centerline edge of canal service road spoil ,bank drains ,berms etc. shall have to be done in the field by the contractor at his own cost under the direction of the Engineer-in –Charge or his authorised representatives . 1.04 All measurements,drawing and plans shall have to be prepared and kept for records .No separate payment will be made for these works . 2.0 STRIPPING :- 2.01Wherever the canal runs in practical cutting or filling earthen embankment is to be provided as per approved plan,drawings and directions of E/I.The area of land falling under the such embankment with an additional margin of Mechanical methods .All top soil ,organic deposites weathered rocks, stumps and roots of trees up to 300mm girth ,bushes etc. or there materials as directed by the Engineer-in-Charge shall have to the stripped.The disposal of stripped earth shall have to be done beyond 160 meters including all lifts and at places indicated by the Engineer-in-Charge .The stripping works done with in the canal banks will be paid at item rates.But no payments for stripping in borrow area wil be done as this rate is including in the rate of borrowing of fill materials. 3.0 EXCAVATION WORKS : The sub-surface logging has been indicated in the longitudinal section of the canal as carried out during explorations studies.This information is furnished only as an indication of nature of soil to be met with payment will however,be made on actual classification of soil met with during excavation. The item rates include the cost of dewatering and all other drainage arrangements .The excavation rate also provides for the excavation to be done in moist conditions which lie below water level for which separate item rate is provided. 3.01 EXCAVATION OF SOIL: This Shall comprise of vegetable or organic soil,turf,sand loam clay,mud peat black cotton soil,siet shai for loose moorum,a mixture of these and similar materials having diameter in any one direction not exceeding 300mm.Occuring such start shall be deemed to be covered under this category. This shall also include: i) Stiff heavy,hard soil or compact moorum requiring tools or pick or both and shovel closely applied. ii) Gravel and pebble stone heaving 300mm maximum diameter in one direction. iii) Soiling roads paths etc.and hard core. iv) Macadam surface such as water bound and bitumen tar bound. iv) Lime,concrete stone masonery in lime mortar and brickwork in lime cement mortar mud mortar below grou

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