SPECAL REPAIR TO INTERNAL ROADS AT B ZONE MARRIED ACCOMODATION AND PROVISION OF BITUMEN ROAD AT CERTAIN LOCATION AT BENGDUBI MIL STATION UNDER GE BENGDUBI

Amount

Surface excavation not exc 30cm deep and averaging 15cm deep in soft/loose soil, getting out, removing of vegetation, surplus soil etc to a distance not exceeding 50 metre and depositing at a level not exceeding 1.5 metre above the starting point, complete all as specified and directed. Note :- 15% of the quoted rate of above item shall be "Added or Deducted" for every 3cm or part thereof to arrive the rate of "Surface Excavation" above or below 15cm average depth.

M & L for rolling and consolidating formation surfaces in cutting with power roller exc 08 tonne and not exc 12 tonne, complete all as specified and directed.

M & L for 100 mm thick (spread thickness) Soling (or sub base)with broken boulders or quarried stone, interstices filled, surface formed and rolled and consolidated to required gradient and camber with 8 to 12 tonne power roller to a uniform smooth surface, complete all as specified and as directed.

M&L for laying 150mm thick (compacted thickness) WBM in two layers [ each layer comprising of 75mm thick (compacted thickness) ] with coarse aggregate of grading 2 (63 to 40 mm size) (lime stone, sand stone, flint or Quartzite), blinded with screening of hard stone of grading 'A', spread, rolled with power roller 8 to12 tonnes & consolidated to gradient/camber required etc, complete all as specified and directed.

Scarifying or picking of existing WBM/ gravelled macadam or bituminous macadam surfaces of area not exc 400 sqm and depth exc 50 mm & n.exc 100 mm including removing of debries etc from site to a distance n.exc 50 metres, complete all as specified and directed.

M&L for laying 75mm thick (compacted thickness) WBM with coarse aggregate of grading 2 (63 to 40 mm size) (lime stone, sand stone, flint or Quartzite), spread, rolled with power roller 8 to12 tonnes & consolidated to gradient/camber required etc, complete all as specified and directed.

M&L for preparation of unsurfaced water bound macadam by brushing with wire brushes for removing caked mud etc., sweeping with brooms & finally fanning the cleaned surface with gunny bags to remove all loose dirt and applying evenly a priming /tack coat with cationic bitumen emulsion (RS-1) @ 3.50Kg/10 Sqm complete all as specified and directed.

M&L for preparation of existing black top surfaces by brushing with wire brushes for removing caked mud etc., sweeping with brooms & finally fanning the cleaned surface with gunny bags to remove all loose dirt and applying evenly a priming /tack coat with cationic bitumen emulsion (RS-1) @ 2.50Kg/10 Sqm, complete all as specified and directed.

M&L for Bituminous premix semi dense asphaltic concrete 40mm consolidated thickness with 5% binder content (paving bitumen of VG-30 grade) by weight of total mix prepared in hot mix plant, laying of mix with self propelled mechanical paver, the surfaces rolled and compacted to required camber and gradient with 08 to 12 tonne power roller and tandem vibrating roller etc complete all as specified and directed. Notes:- The contractor's quoted rates shall also be deemed to include the following elements: (i) The contractor shall get the mix design done through Govt. approved Lab and the same shall be got approved from the GE before providing SDAC. (ii) In case of variation in the bitumen content as per approved design mix in comparison with the bitumen content as specified above, the variation in quantity of bitumen shall be adjusted @ Rs. 55 per Kg . (iii) The thickeness of SDAC indicated above is the minimum thickness, Further, it is clarified that no payment for the addl. thickness in case required to be provided to achieve the desired levels, slope & making good the undulations etc, all as directed by the GE, shall be made.

M&L for premix bituminous macadam with 4% binder content (paving bitumen of grade VG-30) by weight of total mix prepared in hot mix plant, laying of mix with self propelled mechanical paver, duly rolled and compacted to required camber and gradient with 08 to 12 tonne power roller and vibrating roller etc, complete all as specified and directed. Notes:- The contractor's quoted rates shall also be deemed to include the following elements: (i) The contractor shall get the mix design done through Govt. approved Lab and the same shall be got approved from the GE before providing Bituminous Macadum. (ii) In case of variation in the bitumen content as per approved design mix in comparison with the bitumen content as specified above, the variation in quantity of bitumen shall be adjusted @ Rs.55 per Kg.

M&L for preparing bitumineous surfaces of road and marking 2.5mm thick centre lines, stop lines, dashes, arrows etc and the like n.exc 10cm wide on roads, pavements with hot applied thermo plastic road marking paint of approved colour confirming to BS-3262-1989 with and including combination of retro reflective glass beeds 250-300 gm per 10 RM, with special applicator machine all as per manufacturer`s instruction, complete all as specified and directed.

M & L for repairs to potholes any depth, not exc 1 Sqm each including sweeping free from dust and mud or water, scouring sunken surfaces in roads, paths etc. cutting around edges to at least 25mm in depth, filling in screened and graded road metal, watering and well ramming (including supply of road aggregate, chippings etc), rolling with 8 to 12 Tonne Power Roller and making good to receive BM and/or semi dense asphaltic concrete etc, complete all as specified and directed. (Note : Topping of semi dense asphaltic concrete will be measured and paid separately under respective item of BOQ).

M&L for providing Factory Fabricated precast cement concrete 1:2:4 type B-1 (using 20 mm graded stone aggregate) road side kerbs of size 450 x 300 x150/100 mm and/or 300 x 250 x 150/100mm, with plain faces, including chamfers, weatherings, throating and setting in cement mortar 1:4, complete all as specified and as directed.

M/s SUNIL THAKURI

M/S BISWAJIT BHATTACHARJEE