Annual maintenance of Sewer...

[10.76]Providing and laying 60mm thick factory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved size, design and shape, laid in required colour and pattern over (BIS 15658:2006) and including 50mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge.

[17.15.1]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

[17.24]Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density as per technical clause 406 of MORT&H specifications

[17.26.2]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

[17.30.2]Dense Graded Bituminous Macadam with Batch Type HMP 2. Dense Graded Bituminous Macadam 50 mm to 75 mm thickness (Grading II) Providing and laying 50mm - 75 mm dense graded bituminous macadam with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder VG 30 @ 4.5% by weight of total mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction complete, as per technical clause No. 505 of MORT&H specifications Note-If bitumen required is more than 4.5% as per job mix formula, no extra payment will be paid. Extra bitumen required will be considered as incidental to work.

[17.31.2]Bituminous Concrete with Batch type HMP 2. Bituminous Concrete 30 mm to 45 mm thickness (grading II) with 100-120 TPH batch type HMP Providing and laying 30mm - 45 mm bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder VG - 30 @ 5.4% per cent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction complete as per technical clause 507 of per MORTH specifications Note-If bitumen required is more than 5.4% as per job mix formula, no extra payment will be paid. Extra bitumen required will be considered as incidental to work.

[17.5.3]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

[17.6]Construction of Embankment with Material obtained from Borrow pits NA Construction of Embankment CBR 8% (for new road/ raising/ berms/ etc.) with approved material obtained from borrow pits, including compensation of earth with all lead and lift transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2, as per technical clause 305 of MORT&H specifications.

[7.21.1]Brick work with common burnt clay non-modular bricks of class designation 10.5 in foundation and plinth in: 1. Cement mortar 1:4 (1 cement : 4 coarse sand)