Construction of slipway at various location in Mapusa Constituency Bardez Taluka (Retender 1st call)

Earthwork in excavation for roadway as per drawing and specification, in all types of strata comprising any of the material such as soil, silt, sand, clay, gravel, murrum of all varieties, shingles, pebbles all types of conglomerates, laterites rock, etc soft rock, ordinary rock or disintegrated rock fissured shattered/ decomposed rock or weathered rock all such material as described under appendix to those specification either in full or in parts as the case may be adopting mechanical means (hydraulic excavator) or any approved method or methods as the case may be convenient or permitted inclusive of chiseling and wedging etc in all conditions such as dry, moist,saturated, submerged, foul condition etc including setting out, construction of shoringand bracing, removal of stumps and other deleterious matter, dressing sides, ramming of bottoms,getting out the excavated soil/rock to be leveled and neatly dressed, pumping and bailing out of water, back filling the excavated earth to the extent required and utilizing the remaining earth locally for road work, barricading, danger lightening, guarding and disposal of excavated earth as directed by the engineer in charge all complete including all leads and lifts and upto depth of excavation as per MORT&H Specification 301.

Demolishing cenment concrete 1:3:6 or richer mix including disposal of material within 50 m lead.

Construction of granular sub-base by providing coarse graded granitic or baslitic 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 MORTH Specification 401 ; For Grading material

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.as per MORTH Specification 404 ; Grade-I

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.as per MORTH Specification 404 ; By manual means; Grade-II

Providing and laying 50mm (consolidated thickness)full grout using granitic or basaltic stone of specified grading at 6.00 cu.m. per 100 sq.m. grouting with hot bitumen straight run bitumen(or with such bituminous material of grade and type as specified by the Engineer-in-Charge)at 5.0kg. per sq. m. binding with key aggregate of granitic or basaltic stone of specified grading at 1.5 cu.m. per 100 sq.m. including Providing and laying seal coat sealing the voids in a bituminious surface laid with F.E loader with 1 Cu.m. bucket capacity to the specified levels, grade&cross fall using Type A seal coat with 0.98 kg/sqm of bitumen of grade as per MoRT&H specifications clause 513.

Providing and applying tack coat with bitumen grade of 80/100 or bitumen emulsion using pressure distributor on the prepared bituminous/granular surface cleaned with mechanical broom as per MoRT&H specifications clause 503. Bitumen 80/100@ 0.20 kg/sq.m

Providing and laying bituminous macadam with 40-60 TPH hot mix plant producing an average output of 50 tonnes per hour using crushed aggregates of specified grading premixed with bituminous binder to the specified percentage of total mix , transported to site, with all leads laid over a previously prepared surface with sensor paver finisher to the required grade, level and alignment and rolled with smoth wheeled roller and vibratory roller to achieve the desired compaction, using antistripping agent complete as per MoRT&H Specifications Clause 504 Grade-II (19mm nominal size)@3.3% of Bitumen-mix a)Antistripping agent @ 0.5% of bitumen content

Providing and laying bituminious concrete with 40-60 TPH Drum Mix type Hhot mix plant producing an average output of 50 tonnes per hour using crushed aggregates of specified grading, premixed with bituminious binder to mix with filler, transporting the hotmix to work site, with all leads laying with a hydrostatic/ hydraulic paver finisher with sensor control to the required grade, level and alignment, using antistripping agent rolling with smooth wheeled, vibratory or tandem rollers to achieve the desired compaction complete as per MoRT&H Specifications Clause 509 Grade-II (13mm nominal size) @ 6.0% Bitumen of grade 60/70 Antistripping agent @ 0.5% of bitumen content

Supplying and fixing Pre-cast cement concrete kerb stones(factory made,the factory should be ISO certified and registered under Dirctorate of Industries, Govt. of India) of M-20 with 20 mm nominal size granitic/basaltic aggregate properly consolidated by mechanical plat-form and vibrators with smooth finish including fixing at site complete as per specification; Size 30 cm L x 50 cm H x 15 cm T