Upgradation of Subhanpur Nadala Bholath Road MDR 47 section RD 11.40 to 29.01 in MC Bholath DIstt Kapurthala

Scarifying existing bituminous wearing coarse including sweeping and disposal of excavated material upto the depth of 100mm within 1000 metres lead complete in all respects

Dismantling of exisiting road crust

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.

Relaying of recovered material obtained from dismantling of road crust as construction of granular sub-base by providing coarse graded matereal grading-II spreading in uniform layers with motor grader on prepared surface, mixing by mix by mix in place method with rotavator at OMC, and compacting with vibratory roller to achive the desired density, complete as per technical clause 401 o MORT&H specifications (labour rate)

Laying of a stress absorbing membrane over a cracked road surface after cleaning the road surface, using modified binder CRMB-55 complying with clause 517 @ 1.1kg per sqm and crushed stone aggregates of specified grading, spraying binder and spreading crushed stone aggregates, sweeping the surface for uniform spread of aggregates complete as per technical clause 517 of MORT&H specifications

Providing and applying primer coat with bitumen emulsion SS on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.85kg/sqm complete as per technical clause 502 of MORT&H specifications

Providing and applying tack coat with bitumen emulsion VG-10 pressure distributor at the rate of 0.40 kg per sqm on the prepared bituminous surface/granular surface treated with prime coat after cleaning the surface complete as per technical clause 503 of MORT&H specifications

Providing and laying dense graded bituminous macadam 50mm to 75mm thick with batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder VG-30 @ 4.5%, 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 505 of MORT&H specifications NOTES : - (i) Job mix formula for the dense bituminous macadam shall be provided by the agency and shall be got approved from Punjab PWD, B&R Research Laboratory Patiala before adoption at site for execution.(ii) The specification of this item for analytic purpose is kept with bitumen content @ 4.50% weight of mix variation as compared with job mix formula shall be paid / deducted accordingly. The limits of variation shall be worked out with the approved formula. TECHNICAL NOTE : - i.) Apart from the confirmity with the grading and quantity requirement of invidual ingredients exhibited above the mix aggregate i.e.coarse and fine aggregate for dense bituminous concrete shall meet all requirements set forth clause 505 of MORT & H specifications.ii) The final grading for the aggregates required for dense bituminous macadam confirming to table 500.10 of MORT & H specifications shall be determined after getting the dense bituminous macadam designed from Punjab PWD, B&R Research Laboratory Patiala after obtaining 60 % of material. The design mix so finally approved shall be termed as the approved mix. The aggregates shall be hydrophobic and of low porosity. The aggregates shall satisfy the physical requirement set fourth in table 500-6 (addendum to latest revision).iii) The approved mix shall exhibit the following details, source and location of all material: - (a) Binder expressed as percentage by weight of total mix.(b) Course expressed as percentage by weight of total mix.(c) Crushed bajri expressed as percentage by weight of total mix. (d) Final aggregate expressed as percentage by weight of total mix (e) A single definite percentage passing each sieve for mixed aggregates. (f) Density of dense bituminous macadam after compaction will be not less than 2.30 gm/CC.

Providing and laying bituminous concrete 30mm to 45mm thick with batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder VG-30 @ 5.4%, 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 MORT&H specifications (i) Job mix formula for the bituminous concrete shall be provided by the agency and shall be got approved from Punjab PWD, B&R Research Laboratory Patiala before adoption at site for execution. (ii) The specification of this item for analytic purpose is kept with bitumen content @ 5.4% weight of mix variation as compared with job mix formula shall be paid / deducted accordingly. The limits of variation shall be worked out with the approved formula. TECHNICAL NOTE : - i.) Apart from the confirmity with the grading and quantity requirement of invidual ingredients exhibited above the mix aggregate i.e.coarse and fine aggregate for bituminous concrete shall meet all requirements set forth clause 507 of MORT & H specifications.ii) The final grading for the aggregates required for bituminous concrete confirming to table 500.17 of MORT & H specifications shall be determined after getting the bituminous concrete designed from Punjab PWD, B&R Research Laboratory Patiala after obtaining 60 % of material. The design mix so finally approved shall be termed as the approved mix. The aggregates shall be hydrophobic and of low porosity. The aggregates shall satisfy the physical requirement set fourth in table 500-6 (addendum to latest revision).iii) The approved mix shall exhibit the following details, source and location of all material: -(a) Binder expressed as percentage by weight of total mix.(b) Course expressed as percentage by weight of total mix.(c) Crushed bajri expressed as percentage by weight of total mix.(d) Final aggregate expressed as percentage by weight of total mix (e) A single definite percentage passing each sieve for mixed aggregates.(f) Density of bituminous concrete after compaction will be not less than 2.35 gm/CC.

Providing and laying patch work with bituminous macadam 50mm to 75mm thick using crushed stone aggregates of specified grading premixed with bituminous binder VG-30 @ 3.4% in Batch type hot mix plant, carriage of mixed material to site of work, laid after trimming the pot hole, removal of failed material, laying by suitable means and rolling with a smooth wheeled roller to match the adjoining surface complete as per technical clause 504 of MORT&H specifications Notes:- I. The actual volume of the aggregate to be paid for shall be computed after deducting the specified percentage from the volumne computed by stacks measuremet as per MORT & H specifications (addendum to latest revision) for the purpose of secured advance. II. The final grading for the aggregates required for bituminous macadam course Grading 2 for 75mm/50mm thickness of each layer conforming to table 500-7 of M.O.R.T & H specifications (addendum to latest revision) shall be determined after getting the bituminous macadam grading-2 designed from Punjab PWD B&R Research Laboratory Patiala after obtaining 60 % of material. The design mix so finally approved shall be termed as the approved mix. The aggregates shall be hydrophobic and of low porosity. The aggregates shall satisfy the physical requirement set fourth in table 500-6 (addendum to latest revision).III. The mix shall exhinit the following details:(a) Binder expressed as percentage by weight of total mix.b) Coarse aggregate of 26.5mm gauge expressed as percentage by weight of total mix. (c) Crushed bajri of 11.2mm size expressed as percentage by weight of total mix.(d) Final aggregate 4.75mm below expressed as percentage by weight of total mix (e) A single definite percentage passing each sieve for mixed aggregates.(f) Density of bituminous macadam (75mm/50mm thick after compaction) shall be minimum 2.2 gms/C.C & nothing extra shall be payable if higher density is achieved at site. IV. The Contractor thereafter, shall be required to complete the supply of various ingradients or Bituminous macadam as per proportions stipulated in the approved mix. V. Rate of B.M. shall be quoted by the contractor with respect to binder content percentage by weight of mix being 3.4 % if laboratory designs a mix with different percentage then the difference shall be payable/recoverable.