GE I R AND D/CHD-09/2026-27 REPAIR AND RE-SURFACING OF BITUMINOUS ROAD, REPAIR TO PATH, CULVERTS AND ROAD FURNITURES AT VARIOUS LOCATION AT DIHAR LEH

Material and labour for preparing 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 to remove all loose dirt etc incl removing material to low lying area from MOD land complete all as specified and directed.

Apply evenly a priming/tack coat of bituminous primer ( VG-10) at the rate of 5 kg per 10 sqm complete all as specified and directed.

Material and labour, premixed semi dense asphaltic concrete 30 mm thick consolidated thickness , using combined graded aggregate i.e crushed stone coarse aggregate , fine aggregate (sand) & filler (inherent filler)/OPC 43 grade ) of physical properties as specified and as per table given 9 to refer SSR Part-I OF 2009), Pre-heated mixed with 5.5% binder content by weight of total mix using VG-30 grade bitumen, laid with mechanical paver , rolled & compacted to a uniform smooth surface with 8 to 10 tonne power road roller , complete all as specified and directed. Note:- (i) Thickness of semi dense asphaltic concrete and quantities of materials as mentioned in particular specifications/SSR are the minimum. The quoted rate shall also be deemed to include for provision of more materials in comparison to those mentioned/specified in the item, if shape all as directed by the GE. (ii) Hot mix plant of adequate capacity shall be used for heating and mixing stone and fine aggregate and binder (bitumen) and semi dense asphaltic concrete shall be laid in single layer with self propelled mechanical paver all as directed by the GE.

Providing painting lines, dashes, arrows, letters, etc on roads, pavements and the like exc 10 cm wide with road marking paint, white or golden yellow complete 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, paths, etc. cutting around edges to at least 25mm in depth, making good by apply paving bitumen, tack coat (VG-10) at 5 kg per 10 sqm. putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 kg per 10 sqm, blinded with 0.09 cu m of stone chippings, 6.3 mm size and again will rammed (including supply or premixed macadam, binder and chippings), depth of potholes exc 30mm complete all as specified and directed.

Bituminous premix macadam with 4% paving bitumen binder, laid, rolled and compacted to required camber and gradient (compacted thickness upto maximum 75mm) complete all as specified and directed.