Rail Vikas Nigam Limited Tender

1002"Earthwork in excavation by mechanical means (Hydraulic excavator) in cutting, in formation, trolley refuges, side drains, yard drains, catch water drains, etc. including leading usable cut spoils up to 200 M and making formation in filling (as detailed in item no. 1001) using the cut spoils, site clearances, setting out and demarcation, disposing off surplus unusable cut spoils as per directions of the engineer, and top and side dressing and compaction of cutting formation to provide 01 final formation as per designed profile. The rate shall include compaction of cutting formation and initial compaction of sub-soil where cut-spoils are used in filling. The rate shall not include cutting of trees with girth above 30 cm and compaction of cut spoils in filling, which shall be paid separately. Note- (1) Rock spoils such as stones, boulders, pebbles, gravels etc available from excavation, if are found suitable for use in works as per required specifications even after modifications etc., can be used free of cost but the legally payable royalty and taxes are to be paid by the contractor to the concerned authorities. (2) Payment for earthwork in excavation for pucca drains shall not be payable under this item and the same shall be paid under item no. 7005." 1002 (a)Soil excluding rock.

Earthwork in excavation manually in formation, side drains etc., in the alignment including leading usable cut spoils up to 200M and making formation in filling using the cut spoils, site 01 clearances, setting out and demarcation, disposing off surplus unusable cut spoils as per directions of the Engineer and top and side dressing to provide final formation as per designed profile. The rate shall not include cutting of trees with girth above 30CM and compaction, which shall be paid separately.

"Providing and laying blanketing materials of specifications as per RDSO guidelines for design /Construction of formation on Indian Railway track issued vide letter no. RS/G/108/Heavy Axle Load dated 26.10.2016, using well graded granular material having Cu>7, Cc between 1 and 3, fines (passing 75 microns) between 3% to 10%, minimum Soaked CBR value of 25 and compacted at 100% of MDD in layers of maximum 30 cm thickness in loose state using graders and compaction using 01 vibratory compactors, top and side dressing to provide final formation as per designed profile. The rate shall not include compaction, which shall be paid separately. NOTE: 1) If naturally available materials do not meet the laid down specifications, the blanket material has to be produced by mechanical process using mechanical crushing o r mechanical blending method o r combination of these two methods as given in the Appendix-C o f RDSO Guidelines and Specifications for Design of Formation for Heavy Axle Load -2009. The rate for this item is inclusive of the production of material by mechanical process as per above mentioned RDSO guidelines and in case such mechanical process is not required to be used in providing and laying of blanketing material due to availability of natural blanketing material conforming to laid down specifications, the rate of this item shall be reduced by Rs. 250/- per cum. 2) The filter criteria and minimum EV2 Criteria as mentioned in the guidelines of 2009 is not applicable. 3) The rate shall include cost of all field and laboratory tests except CBR tests which will be paid vide separate BOQ item. 4) The Latest guidelines for Design / Construction of formation on Indian Railway track, issued vide RDSO lr. No. RS/G/108/Heavy axle load dated 26.10.2016 shall be adopted for this item. The basic instructions (other than those contained in the latest guidelines dated 26.10.2016) detailed in GE: G-1 of 2003 and GE:0014 of 2009 shall continue to apply."