Repair/ Resurfacing of certain roads at Khundru Garrison under GE 861 EWS

Amount

Scarifying or picking gravelled macadem or bituminous macadam surfaces in area not exceeding 400 Sqm or depth not exceeding 50 mm and removing there of as accounted under credit, complete all as specified and directed.

M&L Premix bituminous, macadam with paving bitumen binder content of paving bitumen of grade VG-30 not less than 4% by weight of total mix (the exact quantity of binder shall be determined by design mix by Marshal method) laid/rolled and compacted to required gradient and camber (consolidated thickness 75mm or less) using 10 to 12 Tonne power roller, complete all as specified and directed. Notes :- (a) Premixed Bituminuous Macadam shall be laid using self propelled hydrostatic paver finisher and preparation of mix shall be using hot mix plant and transporting the mix in tipper. (b) The exact bitumen content required shall be determined follwing the Mix Design procedure contained in the Asphalt Institute Manual MS-2 (Sixth Edition) as referred in case 3.5.3 of IRC 111:2009. The adjustment in rate due to variation in quantity of bitumen if any shall be priced at the rate of Rs. 60.00 Per KG of bitumen.

M&L preparation of unsurfaced WBM Surfaces by brushing with wire brushes for removing caked mud etc sweeping with brooms and finally fanning the cleaned surfaces with gunny bags or mechanical air compressor to remove all loose dirt etc and applying evenly a priming coat/tack coat with bitumen of grade VG-10 @ 10 kg per10 Sqm, complete all as specified and directed.

M&L for repair to potholes, area not exceeding 1.0 Sqm each including sweeping free from dust and mud or water, scoring sunken surfaces in roads, paths etc. cutting around edges to at least 25mm in depth, making good by filling in screened and graded road metal, watering and well ramming and applying a tack coat with bituminous primer @ 5 Kg per 10 Sqm of paving bitumen of Grade VG-10, putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 Kg per 10 Sqm, binded with 0.09 Cum of stone chippings 6.3mm size and again well rammed (including supply of premixed macadam, binder and chippings) and compacted to required camber and gradient with using 10 to 12 tonne power roller, depth of potholes exceeding 30mm, complete all as specified and as directed.

M&L for preparing old existing 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 or mechanical air compressor to remove all loose dirt and applying evenly a priming/ tack coat with bitumenous primer @ 5kg/ 10 Sqm of paving bitumen of grade VG-10, complete all as specified and directed.

M&L for bituminous premix asphaltic semi dense concrete (SDAC) 40mm thick (consolidated thickness) with 5.5% binder content of paving bitumen of Grade VG-30 by weight of total mix, rolled and compacted to required camber and gradient using 10 to 12 tonne power roller and laying with mechanical paver, complete all as specified and directed. Notes :- (a) Bituminous premix semi dense asphaltic concrete shall be prepared in central computerised hot mix plant. (b) Design mix shall be got done by the contractor at his own expenses from NABL laboratory as decided by GE. (c) Contractor shall quote his rates by considereing binder contents @ 5.5% of total mix by weight, however in case of any variation in weight of binder contents on lower side as per actual mix design, the same shall be ajusted @ Rs. 60.00 Per Kg of bitumen. (d) The SDAC will be provided on existing road also.

M&L preparing bituminous surfaces of road and marking 2.5mm thick not exceeding 10 cm wide on edge line, centre line, stop line etc on roads as per IRC pattern with thermoplastic paint of approved quality and made with 8% glass beads laid on the road surface at temperature 160 degree centigrade with special applicator machine with and including traffic diverson arrangement, complete all as specified and directed.

Notes :- An amount of Rs. 9375.00 on account of Credit Schedule for Schedule 'A' Part-II shall be deducted from total quoted amount of BOQ to arrive at the contract sum.

M/S UNIQUE CONSTRUCTION (BID ID -3297668)

SHALIMAR BUILDERS (BID ID -3297354)

M/S Manzoor and Co (BID ID -3301850)

M/S SK ATLANTIC ENTERPRISES (BID ID -3297827)