REPAIRS TO CERTAIN ROADS, KERB STONE AND CONNECTED CIVIL WORKS AT DRDL, ANURAG AND ADJOINING AREAS UNDER AGE B/R-I, HYDERABAD

Amount

Preparing old black top surfaces with wire brushes for removing caked mud etc, sweeping with brooms and finally hydraulic fanning the cleaned surface to remove all loose dirt etc and including applying eveny a priming/ tack coat with bituminous primer of grade VG-10 at the rate of 5 kg per 10 sqm complete all as specified and as directed.

M&L for laying bituminous premixed semi- dense asphaltic concrete 30mm thick consolidated thickness in single layer using bitumen of grade VG -30, with 5.5 % minimum binder content by weight of total mix using hot mix plant and laid by mechanical paver and rolled and compacted to required camber and gradient using 8 to 10 ton power roller to a uniform smooth surface complete all as specified and as directed.

Repairs to pot holes any depth not exc 1sqm each incl sweeping free from dust and mud or water, scoring sunken surface in roads, paths etc, cutting around edge to at least 25mm depth, making good by applying tack coat @ 5 Kg/ 10Sqm putting in premix bituminous macadum, well rammed and sealed with binder 9.8 Kg/ 10 Sqm blinder with 0.09 cum of stone chipping 6.30mm size and agained well rammed ( incl sup of premix macadam, binder and chipping) Depth of pot holes exceeding 30mm complete all as specified and directed.

M&L for premix bituminous, macadam using paving bitumen VG-30 laid/ rolled and compacted to required gradient and camber ( consolidated thickness less than 75mm) all as specified

M&L for painting lines, dashes, arrow, letter etc on road pavement and the like exc 10cm wide with road marking paint white or golden, yellow complete all as specified.

M&L preparation of black bituminous roads surfaces and applying thermo plastic road marking paint minimum 2mm thick with an applicator machine and heated mixed with strilling mechanism at 160 degree celsius temperature laid uniformly with and as directed paint conforming to IS 3262 part I & II of 1989 etc complete as per manufacturers instructions all as specified and directed.

M&L for 75mm thick PCC 1:4:8 type D2 using 40mm graded stone aggregate as in sub base of floor including demolition of old concrete work complete all as specified and directed

S&F 30mm thick paving tiles of size 300 x 300mm/ 350mm x 350mm with wear resistant coat of approved design laid with cement slurry @ 3 Kg/Sqm over 20mm thick screed bed in CM 1:6 incluidng taking out old unserviceable tile complete all as specified and directed.

M&L precast cement concrete kerb stone type B1, 1:2:4 ( 20mm graded stone aggregate) with plain fair faces, includng chamfers, weathering throating etc and setting in mortar 1:4 complete with joint to match , including demolition of old kerb stone complete all as specified and as directed.

S&F 110mm bore PVC (SWR) pipes single socketed, in any length with rubber ring, joints, laid in trenches or in floor all as specified and directed.

S&F in repairs Cat eyes 100 x 100 x 18.5mm size made out of poly carbonate and ABS moulded body dynamically designed very high impact strength and fitted with 2 Nos highly reflective reflectors (Red/ Yellow colour) including epoxy glue complete all as specified and directed. Make: Dark eye DA-978 OR TECHNO COMMERCIAL EQUIVALENT

S&F delineator made of MS pipe 50mm bore medium grade, 900mm long using HIP grade retro reflective tape in three colour strips 50mm each embedded in concrete 150x150x300mm and including taking down damaged delineator complete all as directed.

S&F in repairs solar road stud aluminium alloy body of size not exc 125 x 125 x 25mm, (red colour) with battery i.e Ni-MH- 1600mAh 12 volts , LED -06 Nos blinking type, back up exc 48 hrs fixed with epoxy glue.complete all as directed. Make: DA-110/SOLAR STUD DHRUV or equivalent in 3M

Taking out old distrubed/ distroyed delineator of MS pipe, and refixing in position with PCC (1:2:4) after necessary reparing including two coats of black paint & fixing of ratro reflective tape in four colour Red, white, yellow and green strips 50mm each complete all as specified

M&L preparation of new or previously untreated surfaces of brick, stone, concrete asbestos or plaster surfaces of any description over 10cm girth or width, not otherwise described and applying two coat of synthetic enamel paint over a coat of primer complete all as specified and directed.

M&L preparation of old surfaces of bricks, stone, concrete of any description over 10cm girth or width not otherwise described and applying one coat of synthetic enamel paint complete

K CHANDRAPAL REDDY