Special repair of restorati...

Amount

Granular Sub-Base with Coarse Graded Material - Grading-I or II or III (Table:- 400-2) Construction of granular sub-base by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with Rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per clause 401.of MORTandH specifications 1. Grading I material (HSR 17.15.1)

Tack Coat 2. Providing and applying tack coat with penetration grade bitumen VG - 10 using bitumen pressure distributor at the rate of 0.30 kg per sqm on the prepared bituminous/ granular surface cleaned with mechanical broom as per technical clause 503 of MORT&H specifications (HSR 17.26.2)

Compacting Original Ground 3. Compaction of Earthwork Compaction of & preparation of sub grade including loosening, levelling of earth 225 mm thick top layer, rough dressing of soil, final dressing of earth to give level, camber, watering, rolling with road roller, compacting the bed to achieve minimum dry density as given in the Table 3000-2 as per technical clause 305 of MORT&H specifications (HSR 17.5.3)

Patch Work with close graded Premix Surfacing/Mixed seal Surfacing 20 mm thickness (Type B) Providing and laying patch work with close graded premixed surfacing material of 20 mm thickness Type B using penetration grade Bitumen VG - 10 @ 1.9 kg per sqm and crushed aggregates of specified grading after trimming the pot holes, removal of failed material, including mixing in a continuous type of HMP, carriage of mixed material and rolling with a smooth wheeled roller to match the adjoining surface complete as per technical clause 508 of MORT&H specifications(HSR 7.50)

Patch work Seal coat Type B Providing and laying of premix sand seal coat premixed in continuous type HMP of appropriate capacity not less than 75 tonnes/ hours using specified fine aggregates and penetration grade bitumen @0.68 kg/sqm laid to specified levels, grade and cross fall complete as per technical clause 511 of MORT&H specifications.(HSR 17.51)

Patch work with Water Bound Macadam Grading - II (with screening) 1. Providing, laying patchwork with stone aggregates of Grading - II laid to water bound macadam specifications after trimming the pot holes, removal of failed material, hand packing, applying and brooming requisite type of screening/binding materials to fill up the interstices of coarse aggregates, watering, and rolling with smooth wheeled roller 8 - 10 tonne to match the adjoining surface complete as per technical clause 404 of MORT&H specifications(HSR 17.53.1)

Interlocking Concrete Block Pavement 2. Providing and Laying 80 mm thick ISI marked Interlocking Paver Blocks conforming to IS 15658:2006/IRC SP 63: 2004 of all shapes and colours in design mix cement M 40 over the bed of 30 mm thick fine sand complete in all respect.(HSR 17.69.2)

Relaying of available (removed and stacked) Interlocking Paver Block Pavement having thickness 100mm/80 mm/ 60 mm (average = 80mm) as per drawings and Technical Specification Clause 1504 (HSR 17.71)

Advance Direction signboard 1200x900 square as per IRC 67- 2012 with retro reflective Sheeting as per ASTM D 4956 09 and as per IRC 67 2012 fixed over 4 mm thick aluminium Composite material (ACM) sheeting having aluminium skin thickness of 0.4 to 0.5 mm on both sided and fixing the same with suitable size aluminium alloy rivets @ 200 mm c/c to back support frame of 25x25x3mm angle iron supported on a square hollow steel section post 60x60x3.2mm conforming to IS 4923 without cost of definition plate firmly fixed to ground in foundation concrete M-25 of size 0.45x0.45x0.75m for vertical post complete as per clause 801 of MORTandH specifications. Supplier shall provide a warranty as per clause 6.9 of IRC 67-2012 for retro reflective sheeting and a certified copy of test reports from an independent test laboratory including three year outdoor weathering test report for sheeting tested in India condition conforming to clause 6.7 of IRC 67-2012 1. Using retro reflective Sheeting Class C as per IRC 67 2012 (HSR 34.13.1)

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. 2. Nominal concrete 1:2:4 or leaner mix (i/c equivalent design mix) (HSR 5.23.2)

RAJESH GUPTA AND ASSOCIATES