annual rate contract ( arc ) for grass / bush cutting and trees trimming / cutting at cbr project site, muttam terminal areas in cpcls cbr, nagapattinam annual rate contract ( arc ) for grass / bush cutting and trees trimming / cutting at cbr project site, muttam terminal areas in cpcls cbr, nagapattinam , clearing the area of grasses, bushes, wild growth, light jungle, scuba grasses, julie flora, elephant grasses and trees up to 300 mm girth ( measured at 1 m height aboveground level ) excluding uprooting, however up to ground level; along road side berms / drains, under pipelines / structures, tank farms, yards, around the buildings etc. manually / by jcb / or using petrol / diesel operated brush cuttermachines ( as per site condition & advice of eic ) and scraping cut grass, vegetations, trees completely from existing ground level. scrapped / removed vegetations, trees, saplings shall be bundled into heaps and disposed at designated places in cpcl refinery premises or in excavated pits up to a distance of 4 km as directed by eic with contractors own transport, all tools, tackles, labor, making necessary approaches to pits etc. all complete. , trimming and pruning of trees by cutting off branches of trees using necessary tools and tackles including collecting, stacking, loading / unloading, transporting and disposing within the refinery premises up to a lead of 4 km.for trees of height above 5 m to 8m , trimming and pruning of trees by cutting off branches of trees using necessary tools and tackles including collecting, stacking, loading / unloading, transporting and disposingwithin cpcl refinery premises up to a lead of 4km etc. complete.for trees of height above 8m , providing services by deploying 1 chain saw cutting machine of petrol run engine of hitachi / honda / maax / mitsubishi / kawasaki / ouligen / bosch make of minimum 50 cc capacity / 3hp power and minimum 20 bar length with chain pitch of 0.325 inch. for cutting / chopping down of weak / fallen trees including removal of the branches and roots to a lead of 100 metres and stacking themusing 1 skilled operator for running the petrol driven wood cutting saw machine and 3 semi-skilled workmen for assistance with necessary tools and tackles such as manual saw, crow bar, cutting knife, ropes, other tools required to carryout the job etc. the serviceable material shall be stacked at designated places inside the cpcl refinery premises & unserviceable materials shall be bundled into heaps and disposed within a lead of 4 km with contractors own transport, all tools, tackles, labor etc. all complete as directed by the engineer-in-charge. ( unit of measurement shall be lumpsum per day ) .cost includes charges of petrol / oil and other consumables for running the machine, stacking, disposal charges and all labor, tools, supervision, transportation etc. , felling trees of the girth ( measured at a height of 1 m above ground level ) , including cutting of trunks and branches, removing the roots, stacking of serviceable material at designated locations inside the refinery premises and disposal of unserviceable material within a lead of 4km with contractors own transport, all tools, tackles, labor, etc. all complete or as directed by the engineer-in-charge. , same as item no.50 for beyond 30 cm girth up to and including 60 cm girth , same as item no.50 for beyond 60 cm girth up to and including 120 cm girth , same as #50 for beyond 120 cm girth up to and including 240 cm girth , earthwork in excavationinall types of soil , includingsoft or hard murrum, but excluding soft and hard rock, using mechanical means ( hydraulic excavators ) / manually for depth up to 1.5m, including removal of vegetation, shrubs and debris, cutting and dressing of sides in slopes, levelling, grading and ramming of bottoms, dewatering of accumulated / sub-soil water from any source and keeping the surface dry for subsequent works and disposal or stacking of excavated material within a lead of 100m, as directed including providing temporary supports to existing service lines like water pipes, sewage pipes, electricunderground cables, etc.all complete as per the specifications and directions of engineer-in-charge. , same as item no.90 but for depths beyond 1.5m up to 3.0m , same as item no.90 but for depths beyond 3 m up to 4.5 m , back filling the available excavated earth in trenches, plinth, sides of foundations etc. in layers for all depth consolidating each deposited layer by ramming and watering lead up to 50 m and lift up to 1.5 m. => limited