CWE/AF AMB/AMB-30/2022-23 SPECIAL REPAIRS OF ROADS AT CERTAIN PLACES OF TECH AREA AT AF STN AMBALA UNDER GE (AF) AMBALA

Amount

M&L repair to potholes of depth exceeding 30mm, area not exceeding one sqm each including sweeping free from dust and mud or water, scoring sunken surfaces in roads, paths etc by using pressured air, cutting around edges to at least 25 mm in depth, making good by filling in screened & graded road metal, watering and well ramming (including supply of road metal) by applying a priming/tack coat of bituminous primer (paving bitumen grade VG-10) @ 5 kg per 10 sqm by using mechanical sprayer, putting in premixed bituminous macadam, well rammed and sealed with binder (paving bitumen grade VG-10) @ 9.8 kg per 10 sqm, blinded with 0.09 cum of stone chippings, 6.3mm size and again well rammed (including supply of premixed macadam, binder and chippings) complete all as specified & directed.

Scarifying or picking gravelled macadam or bituminous macadam surfaces in area exceeding 400 sqm and depth exceeding 50 mm but not exceeding 100 mm and removal of debries outside from the MoD land complete all as specified & directed.

M&L 100mm thick (compacted thickness) Wet mix macadam (WMM) in two layers (each layer 50mm thick) with coarse stone aggregate (granite trap or basalt) of grading 2 (63mm to 40mm size ) or of grading 3 (50 mm to 20mm) specification as per clause 406 and as per table 400-13 of yellow book of MORT&H including premixing the material with water at OMC in mechanical mix plant, carriage of mixed material by tipper to site for all leads & lifts, to be laid using mechanical paver, spread watered, rolled & consolidated to required gradient and camber with vibratory type power roller 8 tonne to 12 tonne capacity to achieve the desired density complete all as specified & directed. Note: (i) Payment per unit shall be made for top finished surface area of 100mm thick compacted thickness of WMM. (ii) Mix will be prepared in mixing plant of suitable capacity.

M&L preparation of Wet Mix Macadam (WMM) surfaces by brushing with wire brushes for removing caked mud/grass etc sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dust/dirt etc and applying evenly a priming/tack coat of bituminous primer (paving bitumen grade VG-10) @ 10 Kg per 10 Sqm by using mechanical sprayer complete all as specified & directed.

M&L laying premix bituminous macadam using 20mm size graded crushed stone aggregate (grading 2 with nominal aggregate size 19mm), mixed with binder content (paving bitumen grade VG-30) @ 4% by weight of total mix, rolled and compacted with 8 tonne to 12 tonne power road roller to required gradient and camber using full width mechanical sensor paver with string sensor (consolidated thickness not exceeding 75 mm) in single layer complete all as specified & directed. Note: For price adjustment of bitumen & other requirements, refer Sch 'A' Notes/Particular specifications.

M&L preparing of existing black top surfaces of road 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 dust/dirt complete all as specified & directed.

M&L applying evenly a priming/tack coat of bituminous primer (paving bitumen grade VG-10) @ 5 Kg per 10 sqm by using mechanical sprayer complete all as specified & directed.

M&L 30mm thick (consolidated thickness) bituminous pre-mixed, hot mix, semi-dense asphaltic concrete with coarse aggregate of grading 1 as per MORT&H specification in single layer using binder content (paving bitumen grade VG-30) @ 5.5% by weight of the total mix as per design mix including supply and mixing of filler (OPC cement) laid, rolled and compacted to required gradient and camber using full width mechanical sensor paver with string sensor and compacted with 8 tonne to 12 tonne power roller complete all as specified & directed. Note: For price adjustment of bitumen & other requirements, refer Sch 'A' Notes/Particular specifications.

M&L painting lines, dashes, arrows etc. of width exceeding 100mm on roads/pavements by hot applied thermoplastic road marking paint(white/yellow) inclusive type I reflectorising glass beads as per table 800-3, 800-4 of MORT&H, applied in uniform thickness of atleast 2.5mm and spread uniformly with reflectorising glass beads type II @ 250 gram per sqm & painting materials @ 650 gram per sqm with a road marking machine as per IRC: 35, with traffic diversion arrangements if required, complete as per MORT&H specification clause 803.4, complete all as specified & directed.

For Credit Schedule refer tender documents. The amount of credit schedule shall be deducted in total quoted amount of BOQ to arrive contract sum.

M/s DATAAR BUILDERS