Civil work

Amount

Providing and applying tack coat using hot straight run bitumen ofgrade VG - 10, including heating the bitumen, spraying the bitumenwith mechanically operated spray unit fitted on bitumen boiler,cleaning and preparing the existing road surface as perspecifications :

On bituminous surface @ 0.50 Kg / sqm

2.5 cm premix carpet surfacing with 2.25 cum and 1.12 cum ofstone chippings of 13.2 mm and 11.2 mm size respectively per 100sqm and 52 kg and 56 kg of hot bitumen per cum of stone chippingsof 13.2 mm and 11.2 mm size respectively, including a tack coatwith hot straight run bitumen, including consolidation with road rollerof 6 to 9 tonne capacity etc. complete (tack coat to be paid for separately).

With paving Asphalt grade VG - 30 with no solvent

Providing and laying Bitumen Penetration Macadam with hard stoneaggregate of quality, size and grading as specified, with bitumen ofsuitable penetration grade, including required key aggregate asspecified, spreading coarse aggregate with the help of self propelled/tipper tail mounted aggregate spreader and applying bitumen by apressure distributor and then spreading key aggregate with the helpof aggregate spreader complete, including consolidation with roadroller of minimum 8 to 10 tonne capacity to achieve specified valuesof compaction and surface accuracy :

For 50mm compacted thickness using coarse aggregateof size 50-20 mm graded @ 0.60 cum per 10 sqm keyaggregate of size 12.5 mm graded @ 0.15 cum per 10sqm. With paving asphalt grade VG - 10 @ 50 kg/ 10sqm.

Providing and laying seal coat of premixed fine aggregate ( passing2.36 mm and retained on 180 micron sieve) with bitumen using 128kg of bitumen of grade VG - 10 bitumen per cum of fine aggregateand 0.60 cum of fine aggregate per 100 sqm of road surface, includingrolling and finishing with road roller all complete.

Manufacturing, supplying and fixing retro reflective sign boards made up of 2 mm thick aluminium sheet, face to be fully covered with high intensity encapsulated type heat activated retro reflective sheeting conforming to type - IV of ASTM-D 4956-01 in blue and silver white or other colour combination including subject matter, message (bi-lingual), symbols and borders etc. as per IRC ; 67:2001, pasted on substrate by an adhesive backing which shall be activated by applying heat and pressure conforming to class -2 of ASTM-D-4956-01 and fixing the same with suitable sized aluminium alloy rivets @ 20 cm c/c to back support frame of M.S. angle iron of size 25x25x3 mm along with theft resistant measures, mounted and fixed with 2 Nos. M.S. angles of size 35x35x5 mm to a vertical post made up to M.S. Tee section ISMT 50x50x6 mm welded with base plate of size 100x100x5 mm at the bottom end and including making holes in pipes, angles flats, providing & fixing M.S. message plate of required size, steel work to be painted with two or more coats of synthetic enamel paint of required shade and of approved brand & manufacture over priming coat of zinc chromate yellow primer (vertical MS-Tee support to be painted in black and white colours).Backside of aluminium sheet to be painted with two or more coats of epoxy paint over and including appropriate priming coat including all leads and lifts etc. complete as per drawing , specification and direction of Engineer-in-charge.

Cautionary /warning sign boards of equilateral triangular shape having each side of 900 mm with support length of 3650 mm

Providing and applying 2.5 mm thick road marking strips (retro-reflective) of specified shade/ colour using hot thermoplastic materialby fully/ semi automatic thermoplastic paint applicator machine fittedwith profile shoe, glass beads dispenser, propane tank heater andprofile shoe heater, driven by experienced operator on road surfaceincluding cost of material, labour, T&P, cleaning the road surface ofall dirt, seals, oil, grease and foreign material etc. complete as perdirection of Engineer-in-charge and accordance with applicablespecifications.

Scarifying the existing bituminous road surface to a depth of 50 mmand disposal of scarified material within all lifts and lead upto 1km(by mechanical means).

M Abdul Hameed