SPECIAL REPAIR TO BITUMINOUS ROAD (APPROX 900 MTRS) AT SASD OF COD JABALPUR UNDER GE (EAST) JABALPUR

Amount

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area not exc 400Sqm and depth exc 50mm but not exc 100mm by using mechanical scarifier including racking over and grading the broken-up surfaces to the proper camber or removing to a distance not exc 50M from the starting point and stacking complete all as directed.

M&L for WBM 150mm thick (compacted thickness) in two equal layers of 75mm thick each with coarse aggregates (granite/ basalt/ trap) of grading-2 (63mm to 40mm size) or grading-3 (50mm to 20mm size), spread, rolled and consolidated to required gradient and camber with 8 to 10 tonne tandem vibratory roller complete all as specified and directed.

All as per Srl item No. 02 above but except material(aggregate). Note:- Old coarse aggregates as obtained from "scarifying or picking gravelled from macadam or bituminous macadam surfaces" here-in-before shall be used after mixing in required grading and quoted rate shall be deemed to be inclusive of these provisions also.

Preparing unsurfaced WBM 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 and applying evenly a priming/ tack coat of bituminous primer with paving bitumen VG-30 @ 10 Kg/ 10Sqm by using mechanical sprayer on prepared surface complete all as specified.

Preparing existing 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 for applying evenly a priming/ tack coat of bituminous primer with paving bitumen VG-30 @ 5 Kg/ 10Sqm by using mechanical sprayer on black top surface of road complete all as specified.

M&L for bituminous premixed semi dense asphaltic concrete 30mm consolidated thickness with minimum 5.5% binder content using paving bitumen VG-30 by weight of total mix, rolled and compacted to required camber and gradient using 8 to 12 tonne tandem vibratory roller complete all as specified and directed. Notes:- (i) Bituminous premixed asphaltic semi dense concrete shall be prepared in hot mix plant only. (ii) Bituminous premixed asphaltic semi dense concrete shall be laid with sensor paver only. (iii) Binder content shall be tested at site as directed by Engr-in-Charge.

M&L for premixed bituminous macadam for consolidated thickness upto 75mm or less with using 19mm graded (Grading 2) stone aggregate with minimum 4.0% binder content using paving bitumen VG-30 by weight of total mix, rolled and compacted to required camber and gradient using 8 to 12 tonne tandem vibratory roller complete all as specified and directed. Notes:- (i) Premixed bituminous macadam shall be prepared in hot mix plant only. (ii) Premixed bituminous macadam shall be laid with sensor paver only. (iii) Binder content shall be tested at site as directed by Engr-in-Charge.

M&L for 75mm thick moorum/ red bajri, spread, rolled and consolidated to gradient and camber as required complete all specified and directed. Note:- (i) Compacted thickness shall be measured and paid. (ii) Rolling/ compaction shall be done by vibromax roller only.

Mahaveer Engineering Co.

M/s ESS KAY Construction

MAYANK CONSTRUCTIONS

Hemant Associate