SPECIAL REPAIRS TO INTERNAL ROADS OF 20 BIHAR UNIT IN MEHDIPATNAM UNDER GE GOLCONDA

Amount

Repairs to potholes of depth exc 30mm deep and not exc 1sq m 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 by applying tack coat @ 5kg/10sqm, putting in premixed bituminous mecadam, well rammed and sealed with binder 9.8 kg per 10sqm, blinded with 0.09cum of stone chippings, 6.3mm size and again well rammed (including supply of premixed macadam, binder and chippings) using paving bitument VG-30 complete all as specified and as directed.

M&L for 7.5cm thick (compacted thickness) WBM with coarse aggregates of grading 2 (63 to 40mm size) or gradin 3 (50 to 20mm size spread rolled and consolidated to gradient and camber required at site including for scarifying or picking gravelled, macadam or bituminous macadam surfaces in area not exc 400 sqm and exc 50 mm and not exc 100 mm dthick complete all as specified and directed.

M&L for preparing surfaces of unsurfaced water bound macadam surface by brushing with wire brushes for removing caked mud etc sweeping with brooms and finally fanning the surface with gunny bags to remove all loose dirt etc and applying evenly a priming / tack coat with bituminous primer using 10 kg/ 10 sqm using paving bitumen over WBM surfaces all as specified and directed.

M&L for bituminous premixed semi-dense asphaltic concrete 30 mm consolidated thickness with 5.5% binder content using paving bitumen of grade VG-30 penetration by weight of total mix laid using mechanical paver, rolled and compacted by using 8 to 10 tonne power vibrator roller to uniform surfaces with required gradient and camber including 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 bag to remove loose dirts and applying evenly a priming/tack coat with bitumen primer at 5 Kg per 10 Sq.m using paving bitumen over existing black top surfaces complete all as specified and directed. Note: For design purpose min. binder content is specified as 5.5% for VG-30 grade bitumen and it shall not reduce under any circumstances. During design stage if binder content exceeds 5.5% no extra payment shall be made to contractor for excess use of binder.

M&L for laying premix bituminous, macadam laid, rolled and compacted to required gradient and camber consolidated thickness 75 mm or less) with 4% binder content by weight of total mix, using paving bitumen complete all as specified and directed. Note: (i) For design purpose min. binder content is specified as 4% for VG-30 grade bitumen and it shall not be brought down under any circumstances. During design stage if binder content exceeds 4% no extra payment shall be made to contractor for excess use of binder. (ii) Levels to be taken (jointly by contractor and AGE) before and after laying of bituminous macadam.

M&L for moorum/red bajri filling in berms or pavings, laid in layers n. exc.15 cm thick, spread, levelled and rammed to required gradient and camber including watering complete all as specified and directed.

M&L for providing average 2.50 mm thickness thermoplastic road marking paint (white and yellow) in centre line/Edge line/zebra crossings etc incl providing drop on glass beads @0.25kg/sqm as per manufacturers instructions complete all as specified and directed.

B Sreepathy Rao & Sons

M/S B.SHRAVAN KUMAR

m. surender singh

BEKKAM CONSTRUCTIONS

Dwarka Pershad Radhey Ramanlal

Sai construction & services