CWE/Y-58/2022-23

Amount

Scarifying or picking gravelled, macadam or bituminous macadam surfaces, depth exceeding 50mm but not exceeding 100mm deep and area not exceeding 400sqm complete all as specified. all as specified and directed.

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 25 mm in depth, making good by filling in screened & graded road metal watering & well ramming, complete all as specified and directed.

Water bound macaadam 150mm thick (Compacted thickness) laid with coarse aggregate of grading 2 (63 to 40 mm size) or of grading 3 (50 to 20 mm size) using granite, trap or basalt stone of best quality locally available spread and rolled with 10 to 12 tonnes power roller, each layer will be consolidated separately and to required gradient and camber, complete all as specified.

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, 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.

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.

Preparing bituminous/concrete 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 using hot applied thermo plastic road marking paint of approved colour confirming to BS 3262-1989 mixed with radium glass beads @ 250gm/ Sqm with special applicator machine to provide reflectivity and night vision (approx temp being 200°C at the time of laying) including cleaning the surface of all dirt, dust and other foreign material complete all as specified. Note:- Road marking lines at the centre of road shall not be continuous, whereas the lines at outer sides of road shall be continuous i.e in one length.

surinder kumar jindal & bros.