SPECIAL REPAIR TO ROAD OF AFCB AT BMC UNDER GE CENTRAL KOLKATA

Demolition of cement concrete (Un-reinforced) in ground floor and paving not exc 15cm thick above or below gound level complete all as specified and directed

Material & labour of repair to pot holes of any depth not exc 1.00 Sqm each incl sweeping free from dust and mud or water, scoring sunken surfaces in roads, paths etc and cutting around edges to at least 25mm in depth and making good by applying tack coat of bitumineous primer VG-10 at 5 kg/ 10 Sqm putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 kg per 10 sqm, binded with 0.09 cum of stone chippings, 6.3mm size and again well rammed (including supply of premixed macadam, binder and chippings) depth of pot holes exc 30 mm.( mixing of premix will be done in hot mix plant laying by mechnanical paver) complete all as specified & directed.

Material & labour for preparation of existing black top surfaces by brushing with wire brush 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 & directed.

Material & labour for applying a tack coat over existing bituminous surface @ 0.5 Kg/Sqm of 20/30 bitumen and providing and laying 25mm thick bitumen mastic asphalt on prepared surface strictly in accordance with IS specification No5317-2002(As latest modified) with mastic i.e. bitumen of grade 20/30 @5.625 Kg /Sqm (minimum) mixed stone dust (lime stone powder with calcium value 80%) @0.008 Cum/Sqm and stone chipping of size 12.5mm and 10mm @0.0096 Cum/Sqm and sand @0.004 Cum per sqm and inerting stone graded of 22mm size with 0.017 Kg/Sqm of 20/30 bitumen per Sqm for anti skiding including all tools and plants etc complete all as specified and directed. Notes :- 1. No price adjustment shall be applicable if the approved quantity of binder as per design mixed is more than specified quantity. 2. The Contractor is advised to assess the realistic quantity of binder for the Design Mix specified above before quoting. If considered necessary, they may get the Design Mix done on their own before quoting the Tender. However, the Design Mix done prior to quoting of Tender shall not be considered for incorporation in the Work after conclusion of Contract and shall have to be done as specified above complete all as spd and directed.

Material & labour for preparing bituminous surface of road and marking 2.5 mm thick centre lines, stop lines, dashes, arrows, letters, zebra cross etc and the like n.exc 10cm wide on roads, pavements with hot applied thermoplastic road marking paint of approved colour as per IRC 35 conforming to BS 3262-1989 with 20% glass beads (intermixed), spread and laid by automatic mechanical machine engine drive complete all as specified and as directed.

Supply and fixing in repair plastic speed bump of 750mm length x 250mm width x 75 mm high and made of ABS material with 2 nos high reflective reflectors moulded in PMMA and fixed with 4 nos nail and epoxy adhesive (base bumper & hole) on road surface complete and fixing as per manufacturer's instruction and all as directed by Engineer-in-Charge.

Supply and fixing in repair of of Cat's eye Road stud, solar reflective type, metal body alloy, size 100mm x 100 mm x 20mm with PAMA striplens reflector with and incl MS stud of suitable size complete and fixing as per manufacturers instructions and all as directed by Engineer-in-Charge.

Supply and fixing in repair of of Solar Stud (blinker), aluminium alloy (100% water proofing design ) of size 125mm x 125mm x 25mm (shank 65mm) of high efficieny Mono crystaline solar panel 2.4V / 0.3 watt one Ni-mh rechargeable battery (1.2V / 1600MA) consisting of super bright LED with 10,000 to 18,000 mcd complete and fix to road with epoxy based adhesive as per manufacturers instructions and all as directed by Engineer-in-Charge.

Supply and fixing of Road safety convex mirror of 800mm dia, pole mounted on MS heavy grade pipe 50mm dia duly powder coated with anti-rust paint, 1.2 metre high from GL with 300 mm (minimum) embedded in ground and including necessary PCC M-10 (using 40mm graded stone aggregate) block and two coats of paint by hot pressing over a coat of red oxide around the pipe in full perimeter all as per IRC complete and as directed by Engineer-in-Charge.

Supply and fixing of sign board of retro reflective high intensity prismatic grade sheet of any colour / type as per type-IV of ASPN D-4956 mage of aluminium sheet 2.00mm thick cut to size of 1.20 x 0.9 mtr fixed to hollow MS square tube (Medium Grade), 2.5mm wide (2 Nos all round) frame work by keeping aluminium sheet in between two MS square tube incl necessary rebating, bolting to join the the sheet, welding 4 Nos MS bolt (2 Nos at either ends) to fix / hang the signboard, fixing the board upon 02 Nos GI pipe (medium grade) 40mm bore 2.0 mtrs high support (vertically) abobe GL and grouting end in PCC block of size 40 x 40 x 50 cm 1:3:6 type C2 incl necessary earthwork, returning / filling, removal of surplus earth etc and applying two coats of synthetic enamel paint ove a coat of red oxide primer on exposed steel surfaces incl dismantling existing sign board and removing from site complete all as specified and directed