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| 1 | Earth work in over areas/foundation/pits/trenches etc. by mechanical means (Hydraulic excavator) / manual means/controlled blasting to required profile, level, grade, camber, etc in all soils/strata as mentioned below upto all depths as per drawing and as directed, 1.5 m in width as well as 10 sqm in plan area including dressing of excavated sides and ramming of bottoms and disposal / stacking of excavated materials within a lead of 150m and all inherent lifts and filling in layers with available earth in NFC township not exceeding 200mm, watering, consolidation etc. complete all as per specifications, drawing and as directed by Engineer-in-charge |
| 2 | Soft rock/Filled Up Rock/Soils/Crushed rocks |
| 3 | Hard rock ( by chiselling or wedging or rock hammer and cutter or hydraulic splitter or by using machine such as poclain with jack hammer or controlled blasting or by approved chemical method as directed by EIC) |
| 4 | Excavating, supplying and filling of local earth/crushed sand from outside by mechanical transport also including ramming and watering of the earth in layers not exceeding 20 cm in top/bottom/sides of foundation, reservors, road formation, etc. Complete for all leads as available from approved source of query. |
| 5 | Lead charges within NFC Plant/township for additional lead over the initial lead by mechanical transport, including loading, unloading, stacking, the disposable soil, rock , other unserviceable materials etc., Note: Measurement of lead charges will be based on truck measurement with a deduction of voids @20% and 50% for rock, debris etc. |
| 6 | a) for soil and fine materials |
| 7 | b) for rock, debris etc |
| 8 | Disposal of surplus excavated materials including crushing of cut pieces/boulders of soft/hard rock, loading, transporting, unloading, Filling and levelling plinth , sides of foundation etc., in identified low lying areas within campus using mobile crusher, collecting the stone boulders/pieces, crushing the bolders using mobile crushers or any approved machinery, transporting the crushed material by mechanical means within the campus, spreading & filling in layers not exceeding 150mm thick, watering, consolidation using roller to obtain 90% proctor density and levelling including stacking the surplus crushed materials at the designated location as shown etc. complete all as per specification and as directed by Engineer-in-charge.Notes:i) The excavated soft and hard rock materials shall be crushed to a grain size (as decided by users) by an automated/compact electrically operated crusher machine installed at site.ii) Crushing to a grain size shall also include Manufacturing of Fine / Crushed Aggregates of required size and grading confirming to IS: 383/ IS: 2116 from available rock and excavated, making aggregate by using stone crusher and sieves/screens or equivalent machinery/equipment suitable for making Concrete/ mortar of various Grades as per IS: 456 / 2250 including, testing the aggregates, all consumables, labour, tools and tackles,permits, protective measures for air borne pollution like sprinkling water, all lifts, etc complete as directed. iii) Providing, Installation, Operation and maintanace of crusher and other machinery of required capacity with all permits are in the scope of contractor and no extra payment shall be payable for this. iv) The crusher machine shall be dismantled and taken away from the site after the work is completed at contractor's own cost.v) The contractor shall clean the area on which crusher machine is installed and make it to original condition without any extra cost to the department.vi) Making banking for road formation using crushed aggregatesvii) clearing vegetation if any for lifting the stones for crushing.viii) for all leads within campusNotes:i) Voids @ 20% for soils/crushed materials and 50% for soft rock/hard rock shall be deducted from fully loaded truck measurements to arrive at the net quantity for payment in case direct measurement is not possible. |
| 9 | Supplying and filling of manufactured selected sand/ dust including ramming and watering of the earth in layers not exceeding 20 cm in sides of foundation, reservors, pedastals, etc. Complete |
| 10 | Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5 m in width as well as 10 sqm on plan including getting out and disposal of excavated earth/rock upto 50 m and lift upto 1.5 m, as directed by Engineer-in- Charge for roads, pathways etc. |
| 11 | Granular Sub base with Coarse Graded Material (Construction of granular sub-base by providing close graded Material conforming to specifications mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge)- With material conforming to Grade-I (size range 75 mm to 0.075 mm) having CBR Value-30 complete as specified and directed as per direction of Engineer-in-charge . Please Enable Macros to View BoQ information |
| 12 | Granular Sub base with Coarse Graded Material (Construction of granular sub-base by providing close graded Material conforming to specifications mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge)- With material conforming to Grade-I (size range 75 mm to 0.075 mm) having CBR Value-30 complete as specified and directed as per direction of Engineer-in-charge . Please Enable Macros to View BoQ information |
