Special repair by providing...

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]

Water Bound Macadam Gr I 2. Water Bound Macadam Grading I with screening Type A Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/ vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density complete as per technical clause 404 of MORT&H specifications [HSR 17.22.2]

Water Bound Macadam Grading - II 2. Water Bound Macadam - II with Screening Type A / Type B Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/ vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density complete as per technical clause 404 of MORT&H specifications [HSR 17.23.2]

Prime Coat @ 0.85kg per sqm Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.85 kg/sqm using mechanical means as per technical clause 503 of MORT&H specifications [HSR 17.25]

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]

Bituminous Macadam with continuous type HMP 4. Grading II (19 mm Nominal size), for thickness 50-75 mm , Bitumen @ 3.4 % (continuous HMP type) Providing and laying bituminous macadam 50-75 mm thick with Batch type hot mix plant 100-120 TPH using crushed aggregates of specified grading premixed with bituminous binder VG -30 @3.4% transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction complete as per technical clause 504 of MORT&H specifications Grading II (19 mm nominal size) [HSR 17.27.4]

Open - Graded Premix Surfacing 20 mm thickness 1. Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of crushed stone aggregates of specified grading premixed in a continuous type of hot mix plant of appropriate capacity not less not less than 75 tonne per hour, with bituminous binder VG - 10 @ 1.46 kg per sqm, laid with Paver Finisher Mechanical and rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades complete as per technical clause 510 of MORT&H specifications [HSR 17.33.1]

Seal Coat 3. Type B with VG - 10 bituminous binder 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 17.36.3]

Laying of recycled Bituminous Pavement with Central Recycling Plant upto 75mm 2. Milling on Bituminous surface: Dismantling of existing damaged Bitumen surface by cold Milling Machine up to any depth and hauling the milled material up to any lead and stacking at nearest recycling Plant site [HSR 17.43.2]

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]

Rectangular Concrete Block Pavement 1. Providing and laying of cement concrete blocks of size 0.450 m x 0.300 m x 0.15 m of cement concrete (C.C) M30 grade and spreading 25 mm thick sand underneath filling joints with sand on existing W.B.M. base as per technical specification clause 1503 [HSR 17.66.1]

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]

Excavation for roadwork in soil by manual/mechanical means including cutting , trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, including breaking of clods and disposal within ROW as per technical clause 301 of MORTandH specifications [HSR 17.74]

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface Providing and laying of hot applied thermoplastic compound 2.5 mm thick including Reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes [HSR 34.26]

Providing and laying 50-75 mm BM using the reclaimed material to the extent of 30% per cent of the required quantity after carrying out necessary check and evaluation, adding fresh material including rejuvenation as required, grade, level and thickness, all as specified in clause No.519. (5th revision) 2013 using bitumen VG-30 (minimum Bitumen content 3.4% i/c bitumen of retrieved material as per job mix formula) using 40-60 TPH Drum type hot mix plant with appropriate arrangement for use of R.A.P, appropriate roller and with hydraulic paver finisher with sensor control to the required grade. Note:- If bitumen required is more than 3.4% as per job mix formula, no extra payment will be paid. Extra bitumen required will be considered as incidental to work. [NS]

S K Mittal

P C Gupta and Co