Public Works Department Tender

Providing, laying 100mm thick spreading and compacting graded stone aggregate to Wet Mix Macadam (WMM) 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 MORT&H specification for road & bridge (5th Revision) of 2013 as per drawing and design directed by the Engineer complete in all respects per clause No.406 (Based on HSR.17.24) Note: -1.Only crushed metal material should be used. No local earth sand shall be used. The material finer than 425 micron shall have zero Plasticity Index (PI). 2. Materials to be used and operations of manufacturing shall be approved by the engineer.

Providing and applying primer coat with bitumen emulsion grade SS-I on prepared surface of granular Base including clearing of road surface and spraying primer @ 0,60 kg/sqm Square Metre) mechanical means as per technical clause 502 of MORT&H specifications (Based on HSR.17.25)

Providing and laying 30mm thick bituminous concrete (BC) with 100-120 TPH batch type hot plant 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 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: I- If bitumen required more than 5.4% as per job mix formula no extra payment will made, extra bitumen required will be considered as incidental to work. II- Before carrying out bituminous work, coating & stripping of bitumen aggregate mix is be performed in accordance with 6241, If coating and stripping of bitumen aggregate mix is less than 95%, anti-stripping agent will be used by contractor. The anti- stripping agent should conform to the requirement as stipulated in IS 14982:2017. The cost so incurred will considered as incidental to work and nothing extra shall be payable. The type and brand anti stripping agent along with procedure shall be approved by SE-in-charge writing before start of work. A proper record of results be maintained and same shall be submitted along with bills by the contractor. III- Where there is only BC on existing black top, cracks shall be sealed as MoRT&H specification 5th revision clause No. 3004.3, which may consists of (i) Fog seal/ or (ii) crack filling and or (iii) patch work repair as required at site in accordance with clause No. 3004.3.2, 3004.3.3 and 3004.2 of MoRT&H specification 5th revision respectively. Proper measurement and consumption shall be entered in MB for cracks sealed but no payment on this account shall be made as crack filling is incidental to work. (HSR 17.31.2)

Providing & laying Granular Sub-Base with Coarse Graded Material - Grading-I (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 MORT&H specifications. Grading material. Note:- 1.Only crushed metal material should be used. No local earth sand shall be used. The material finer than 425 micron shall have zero Plasticity Index (PI). 2. Materials to be used and operations of manufacturing shall be approved by the engineer. (Based on HSR 17.15.1)

Excavation for road work in soil by 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 ROWS as per technical clause 301 of MORT&H specifications (HSR 17.74)

Providing and applying tack coat with penetration grade bitumen VG-10 using bitumen pressure distributor @ 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)

Providing and laying 70mm thick dense graded bituminous macadam (DBM) with 100-120 TPH batch type hot mix plant 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 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 (HSR. 17.30.2) Note: I If bitumen required is more than 4.50% as per job mix formula no extra payment will be made and extra bitumen required will considered incidental to work. II- Before carrying out bituminous work, coating stripping of bitumen aggregate mix is be performed in accordance with IS-6241. If coating and stripping of bitumen aggregate mix is less than 95%, anti-stripping agent will be used by contractor. The anti- stripping agent should conform the requirement stipulated in IS-14982:2017. The cost so incurred will be considered as incidental work and nothing extra shall payable. The type and brand of anti stripping agent along with procedure shall be approved by SE-in-charge in writing before start of work. A proper record of results be maintained and same shall be submitted along with bills by the contractor. Note: Where there is DBM on existing black top, cracks shall be sealed as MoRT&H specification 5th revision clause No. 3004.3, which may consists of i) Fog seal/or (ii) crack filling and or (iii) patch work repair required at site accordance with clause No. 3004.3.2, 3004.3.3 and 3004.2 of MoRT&H specification 5th revision respectively. Proper measurement and consumption shall be entered in MB for cracks sealed but no payment on this account shall be made as crack filling incidental work.