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| 1 | Repair to pot holes any depth not exc. 1 Sqm each including sweeping free from dust and mud or water, scoring sunken surfaces in roads, path etc. cutting around edges to at least 25mm in depth, making good by filling screened and graded raod metal. watering and ramming and makinggood by applying tack coat @ 5 kg per 10 sq m, putting in premixed bituminous macadam, wellrammed and sealed with binder 9.8 kg per 10 sq m, blinded with 0.09 cu m of stone chippings, 6.3mm size and again well rammed (including supply of premixed macadam, binder and chippings).depth of potholes exc 30 mm complete all as specified and directed. |
| 2 | Repair to pot holes any depth not exc. 1 Sqm each including sweeping free from dust and mud or water, scoring sunken surfaces in roads, path etc. cutting around edges to at least 25mm in depth, making good by filling screened and graded raod metal. watering and ramming and making good byapplying tack coat with bituminous primer @ 5 kg per 10 sq m, putting in premix as specified for thin bituminous carpet (2 cm thick) well rammedand sealed with premixed sand seal coat (6.8 kg of binder with 0.06 cu m of sand), again well rammed(including supply of premix binder and sand) depth of potholes n exc 30 mm complete all as specified and directed. |
| 3 | Scarifying or picking gravelled, macadam or bituminous macadam surfaces, depth exceeding 50mm and not exc 10mm deep and area not exceeding 400sqm complete all as specified. all as specified and directed. |
| 4 | Water bound macaadam 150mm thick (Compacted thickness), in two layers, laid with coarse aggregate of grading 2 (63mm to 40 mm size) or of grading 3 (50 to 20mm size),using Granite, trap or Basalt of best quality locally available spread and rolled with 10 to 12 tonnes power roller, consolidated to required gradient and camber, complete all as specified. |
| 5 | Preparing unsurfaced water bound macadam surfaces by brushing with wire brushes for removing caked mud etc sweeping with brooms and finally the cleaned surfaces with power sweeper or compressor to remove all loose dirt etc, applying evenly a priming/ tack coat with bituminous primer using paving bitumen @ 10 kg per 10 sq metre of road surface, complete all as specified. |
| 6 | Providing premix bituminous macadam (consolidated thickness 75mm or less) with 4% binder content of paving bitumen by weight of total mix, rolled and compacted to required camber and gradient with 8 to 10 tonne power roller, complete all as specified and directed. Note:- Bituminous macadam shall be mixed in hot mix plant, transported and shall be laid in single layer with self propelled mechanical paver, rolled with vibrator roller. |
| 7 | Preparing black top surfaces by brushing with wire brushes for removing caked mud etc. sweeping with brooms and finally fanning the cleaned surfaces with power sweeper or compressor to remove all loose dirt etc., applying evenly a priming/ tack coat with bituminous primer using paving bitumen at 5 kg per 10 sq metre of road surface, laying bituminous premix semi dense asphaltic concrete 40mm consolidated thickness with 5.5% bitumen binder content by weight of total mix using 20mm crushed stone aggregate, rolled and compacted to required camber and gradient with 8 to 10 tonne vibrator power roller, complete all as specified and directed. Note:- Bituminous premix semi dense asphaltic concrete shall be mixed in automatic temperature controlled hot mixing plant, transported and premix carpet shall be laid in single layer with self propelled mechanical paver, rolled with vibrator roller. |
| 8 | Preparing bituminous 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 special applicator machine all as per manufacturers instruction complete all as specified and directed. Please Enable Macros to View BoQ information |
