REPAIR / MAINT OF VARIOUS INTERNAL ROAD IN THE AREA IN AOR OF AGE B/R-I UNDER GE PANAGARH

Amount

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area exc 400 sqm, exc 50 mm and n.exc 100mm deep, complete all as specified and directed. Note : Scarifying include racking over and grading the broken up surface to the proper camber etc. as required.

M&L 7.5cm thick (compacted thickness) WBM with coarse aggregates of granite trap and basalt grading 2 (63 to 40mm size) or grading 3 (50 to 20mm size), spread, rolled and consolidated to gradient and camber with 8 to 12 tonne power roller required and including preparing surfaces by brushing with wire brushes for removing caked mud etc. sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc., complete all as specified and directed.

M&L applying evenly a prime coat of Cationic Bitumen Emulsion SS1 confirming to IS : 8887 at a rate of application of 1.0 kg/sqm on surface of WMM / WBM as specified in Table 500-3 of MoRTH Specification for road and bridge works 2013, using mechanical sprayer, complete all as specified and directed.

M&L premixed bituminous macadam over primed surface of road using paving bitumen, laid/rolled by 8 to 12 tonne capacity roller and compacted to required gradient and camber (consolidated thickness 75 mm or less), binder contents of premixed macadam shall be 4% by weight of total mix (Design Mix) with VG-30 grade bitumen, complete all as specified and directed.

M&L Preparing black top surfaces by brushing with wire brushes for removing caked mud etc. sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc., complete all as specified and directed.

M&L applying evenly a priming/tack coat with bitumen VG-10 grade conforming to IS : 73 at the rate of application of 0.3-0.4 Kg/Sqm on bituminous surface as specified in Table 500-5 of MoRTH Specification for Road and Bridge Work 2013 using mechanical sprayer, complete all as specified and directed.

M&L Bituminous premix semi dense asphaltic concrete 40mm consolidated thickness with 5.5% binder with paving bitumen (VG-30), filler cement as per recommendation of design by weight of total mix from hot mix plant, rolled by with 8 to 12 tonne vibrating (tandom) road roller to confirm uniform surface and compacted to required camber and gradient complete with mechanical paver, complete all as specified and directed.

Repair 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 25 mm in depth, making good applying tack coat @ 5 kg per 10 sqm of VG-10 grade of paving bitumen, putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 kg per 10 sqm of VG-30 grade of paving bitumen, blinded with 0.09 cu m of stone chippings, 6.3 mm size and again well rammed (including supply of premixed macadam, binder and chippings), complete all as specified and directed. Note : Pot holes register to be maintained by Engr-in-Charge and payment shall be made as per Pot holes register.

S&F in repairs water proof cat eye solar reflective type of metal body alloy of size 100mm x 100mm x 20mm with PAMA striplens reflector fixed with and incl MS stud of suitable size as per manufactures instructions, complete all as specified and directed.

M&L preparing bituminous surfaces of road marking paint of 2.5mm thick as in 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.

KAZI SAHABUL ALAM

M/S SUSHMA INFRA PROJECT AND POWER

Sabitri Jhunu Enterprise

M/S FM Enterprise

SINGH CONSTRUCTION