Public Works Department Tender

Construction of granular sub-base by providing material as per grading-III ( Table 400-I of MORT&H 5th revision), mixing in a mechanical mix plant at OMC, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per technical clause 401 of MORT&H specifications

Providing, laying, spreading and compacting stone aggregates of Grading II to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheeled roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density complete as per technical specifications

Construction of embankment with earth obtained from roadway cutting or excavation including spreading, grading to required slope and compacting to meet requirement of table 300-2 as per technical clause 305 of MORT&H specifications

Providing, laying, spreading and compacting stone aggregates of Grading I to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheeled 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

Compaction of Earth Work Compaction of Earth work and preparation of sub grade including loosening, leveling of earth 225mm 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 300-2 as per Technical Clause 305 of MORTH&H specifications. (In case of link roads earth work to be done by villagers)

Providing and laying surface dressing in single coat using crushed stone aggregates of specified size on a layer of bituminous binder VG-10 @ 1kg per sqm laid on prepared surface after cleaning the road surface and rolling with 8-10 tonne smooth wheeled steel roller complete as per technical clause 509 of MORT&H specifications

Dense Graded Bituminous Macadam 50mm to 75mm thickness (Grading II) Providing and laying dense graded bituminous macadam 50mm to 75mm thick with Continuous type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder VG-30 @ 4.5%, laying with a Paver Finisher Mechanical 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) Fine 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

Road marking with hot applied thermoplastic compound 2.5mm thick including reflectorising glass beads @ 0.25kg per sqm area as per IRC:35 1997 complete as per technical clause 803 of MORT&H specifications

Excavation for Roadway (By Mechanical Means) Excavation in Soil (any type) using Hydraulic Excavator CK 90 Excavation with hydraulic excavator of 0.9 cum bucket capacity including cutting trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, including all lift and combined lead up to 60 mtr.

Providing and laying Fine Sand including Compaction, Loading & Unloading carriage to site of work, Spreading, grating to required slope as per Satisfaction of Engineer in Charge

Credit of Soil Excavated as per Item No. 1 - 12 2250.00-337.50 = 1912.50 80% of 1912.50 = 1530.00