CWE/CHM-58/2024-25 SPECIAL REPAIR TO APPROACH ROAD OF AVTC AND COMMAND LIBRARY AT CHANDIMANDIR MIL STATION

Amount

M&L for preparation of old black top surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dust/ dirt complete all as specified and as directed by Engineer-in-charge.

M & L for Preparation of bituminous surface and Applying evenly a Tack Coat with Cationic Bitumen Emulsion RS-1 confirming to IS:8887 at a rate of application of 0.2-0.3 kg/sqm on bitumnous surface as specified in Table 500-5 of MoRT&H specification for road and bridge works 2013, using mechanical sprayer after cleaning of existing sufaces complete all as specified and as directed by Engineer-in-charge.

M&L for Bitumenous concrete (BC) 30 mm thick (consolidated thickness) layer conforming to clause 507 of MORT&H specifications for Road and Bridge work (Fifth Revision) including cost of coarse aggregates, fine aggregates, filler, with 5.5% binder (VG-30) contents by weight of total mix, crushed aggregate of grading 2, anti stripping agent, warm mix additives (quantity, quality and grade as per the approved job mix formula) etc, cleaning and pre-heating of the mineral aggregate, filler & bitumen of specific temperature throughly mixing with binder of specified bitumen content, anti stripping agent, warm mix additives as per mix design in hot mix plant (batch type), carrying the hot mixed materials by means of tipper, trucks or any other approved and and suitable arrangements, laying and hot premixed materials over the prepared surface by means of paver finisher including manual operation as and when required for proper grade, level and camber through rolling with power roller 8 to 12 tonnes smooth wheeled, vibratory and tandem roller with necessary hand packing and pinning to give an even surface .....Contd

contdd... including running expense of all plants and machineries, inclusive of proper traffic control during laying to the satisfaction of Engineer-in-charge, required quality control tests at required interval etc complete in all respects complete all as specified and directed. Notes : (i) The contractor shall quote the rate against item considering 5.5 % VG-30 bitumen content. Job Mix formula as per clause No. 505.3.3 of MORT&H specification for road and bridge work (Fifth Revision) for bituminous concrete shall be got designed from NIT/ CTL/ Govt Engg College and shall be got approved from GE in writing well before commencement of work without any financial effect to the department. Also the bitumen content shall not be less than 5.4 % by weight of total mix as per clause 507.2.5 of MoRT&H specifications (Fifth Revision). (ii) The cost of materials, transportation, Job mix formula form lab and testing charges for various tests as required are included in the unit rate quoted by the contractor. (iii) Cost of Filler i.e. rock dust, hydrated lime or cement is deemed to be included in unit rate.

Notes :(iv) if qty of binder contents is less than the qty as specified in respective items of BOQ, it shall be adjusted at supply only rates of paving bitumen @ Rs. 45.00 Per KG and if qty of binder contents is more than the qty as specified is respective items of BOQ, no adjustment shall be made. (v) After spreading of mix as per clause 507.4.7 of MoRT&H specification entire surface during the operation shall be rolled with road roller 8-10 tonnes (smooth wheeled) followed with vibratory road roller of 8-10 tonnes static weight, followed by finish rolling with 6 to 8 tonnes smooth wheeled tandem roller as per clause no. 507.4.8 of MoRT&H specifications (Fifth Revision) and the cost of the same shall be deemed to be included in the quoted rate.

M&L for providing and consolidating 75 mm thick premix dense Bituminous Macadam (DBM Grading-II) using min 4.5% VG-30 grade binder by weight of total mix, aggregate gradation as per Grading 2 of Table 500-10 of MoRT&H specification for road and bridge works 2013, rolled and compacted to required camber and gradient complete all as specified and as directed by Engineer-in-charge.

M&L for preparation of bituminous surfaces of road and marking 2.5 mm thick centre lines, stop lines, dashes, arrows etc. and the like n. exc 10 cm wide on roads pavements with hot applied thermo plastic road marking paint of approved colour confirming to BS 3262-1989 with special applicator machine all as per manufacturers instruction complete all as specified and as directed by Engineer-in-charge.

JAY TEE KAY INFRA (BID ID -3145532)

BAL SINGH AND SONS (BID ID -3150874)

M/s Krishan Aggarwal (BID ID -3152191)