REPAIR AND RESURFACING TO CERTAIN ROADS AT OAF UNDER GE 970 EWS

Scarifying or picking gravelled macadem or bituminous macadam surfaces in area n. exc 400 Sqm and exc 50 mm & n. exc 100mm deep with and including removing and stacking the excavated material complete all as specified and directed.

M&L 7.5cm thick (compacted thickness) WBM, with Granite, trap or Basalt coarse aggregate of grading 2 (63 to 40mm size) or of grading 3 (50 to 20mm size), spread, rolled & consolidated to required gradient & camber using with 10 to 12 tonne power roller, complete all as specified and directed.

M&L preparing the unsurfaced water bound macadam by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces with gunny bags/ air compressor to remove all loose dirt etc and applying evenly a priming/ tack coat with bituminous primer VG-10 @ 10 Kgs/ 10 Sqm etc and Bituminous premix aspaltic semi-dense concrete 30mm consolidated thickness with 5.5% binder content using paving bitumen of grade VG-30 by weight of total mix by using mechanical paver, rolled and compacted to required camber and gradient by using power roller 10 to 12 tonne capacity complete all as specified and directe, using paving bitumen complete all as 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 following 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 premix bituminous, macadam laid/ rolled and compacted to required gradient and camber using 10 to 12 tonne power roller (consolidated thickness 75mm or less) using paving bitumen VG-30 binder content of 4% by weight of total mix after applying evenly a priming/ tack coat with bituminous primer by using paving bitumen (VG-10) at the rate of 5kg per 10sqm etc 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 repairs to potholes any depth, not exc 1 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 (including supply or road metal) and making good by applying tack coat @ 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 blinded with 0.09 cum of stone chipping, 6.3 mm size and again well rammed (including supply of premixed macadam binder and chippings) depth of potholes exc 30mm comlete 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 and finally fanning the cleaned surfaces with gunny bags or mechanical air compressor to remove all loose dirt etc. and applying evenly a priming/ tack coat with bituminous primer @ 5 Kg/ 10 Sqm of paving bitumen of Grade VG-10 and providing bituminous premix asphaltic semi dense concrete (SDAC) 30mm 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 with 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.

M&L preparing bituminous surfaces of road and marking 2.5mm thick centre lines, stop lines, dashes, arrows etc and the link n exc 10cm 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 manufacturer's instructions including traffic diversion arrangement omplete all as specified and directed.

S&F metal tubular dealineator made out of ABS round body fitted with 2 Nos 65 mm dia highly reflective reflectors made out of PMMA and mounted on 45/50mm dia mild steel pipe of 600mm height duly powder coated and thermo plastic elastomer 3 bands of green, red and yellow reflector radium tape of 25mm wide straps with anti theft steel net for reflector protection including embedding in PCC 1:2:4 (150x150x300mm) type B1 complete all as specified and directed.

S&F cat eye reflective type of metal body alloy of size 100mmx100mmx20mm with PAMA stripplens reflector of model No DA 972.00 fixed with and including MS stud of suitable size as per manufactures instruciton complete all as specified and directed.

S&F solar cat eye aluminium alloy (100% water proofing design according to 65) of size 125mmx125mmx25mm (shank 65mm) of high eddiciency monorystafie solar panel 2.4V/0.3 watt one NI-ed rechargeable battery (1.2V/1600MA) consisting of super bright LED with 10,000 to 18000 mcd complete as per manufacturer's instructions etc complete all as specified and directed.