ACE, EC-II AKPD 32 of 2025-26 Improvement to communication facility of Mamadulla Tala Astak Baitarani left embankment from RD 0.5 Km to 3.0 Km (Working RD 0.165 Km to 3.00 Km).

Clearing grass and removal of rubbish upto a distance of 50 metres outside the periphery of the working area on pre-measurement disposing the debris away from the work site with all leads, lifts and delifts with cost of all labour, hiring and running charges of all machineries including cess etc. with all leads, lifts and delifts with cost of all labour, hiring and running charges of all machineries, cess etc. complete as per direction of Engineer-in-Charge.

Construction of granular sub-base by providing and laying, spreading and compacting stone aggregates to 200 mm thickness with IRC grade - III materials as per table-401-I to WBM specification including spreading in uniform layers with moter grader on prepared surface mixing by mix place method with rotavater, rolling with VRR in stages to proper grade and camber, applying and brooming using stone screened dust as binding materials to fill up the interstices of coarse aggregates, watering and compacting to the required density at OMC as per clause 401 of MoSRT & H specifications for road & Bridge works (4th Revision) with all leads, lifts and delifts including cost, conveyance, royalty, cess etc. including labours and hire charges of T&P materials required for the work, hire and running charges of machineries etc. complete as per specification and direction of the Engineer-in-Charge.

Providing, laying, spreading and compacting to 150mm thickness graded stone aggregate to wet mix macadam specification including premixing the materials(as per table-400-II) 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 Clause 406 of MoSRT&H Specifications for Road & Bridge works (4th revision) with all leads, lifts and delifts including cost, conveyance, royalty, cess including hire and running charges of machineries etc. all complete as per specification and direction of the Engineer-in-Charge.

Cleaning the existing granular base surface including removal of binding materials and other foreign materials with wire brushes and small picks, sweeping with brooms or soft brushes and finally dusting with old gunny bags and / or compressed air to receive bituminous as per direction of the Engineer-in-Charge.

Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.60 Kg/sqm using mechanical means as per Clause 502 of MoSRT&H Specifications for Road & Bridge works (4th Revision) with all leads, lifts and delifts including cost, conveyance, cess including labours and hire charges of T&P materials required for the work, hire and running charges of machineries etc. all complete as per specification and direction of the Engineer-in-Charge.

Providing and applying tack coat with bituminous emulsion (60/70) penetration grade using the emulsion pressure distributer @ 0.20 Kg per sqm on the prepared bituminous/granular surface cleaned properly with mechanical broom as per clause 503 of MoSRT & H Specification for Road & Bridge work (4th revision) with all leads, lifts and delifts including cost, conveyance, cess etc. including labours and hire charges of T&P materials required for the work, hire and running charges of machineries etc. all complete as per specification and direction of the Engineer-in-Charge.

Providing laying Bituminous Macadam with hot mix plant using crushed aggregates of specified grading premixed with bituminous binder of 60/70 penetration grade of bitumen, transported to site, laid over previously prepared surface with hydrostatic paver finisher with sensor control to the required grade, level & alignment & rolling with smooth wheeled, vibratory & tandem rollers to achieve the desired compaction as per clause 504 of MoSRT&H specification for road and bridgeworks (4th revision) including cost conveyance royalty, cess and hire charges of machineries as directed by the Engineer in charge.

Providing laying Semi dense Bituminous concrete with batch type hot mix plant using crushed aggregates of specified grading premixed with bituminous binder of 60/70 penetration grade of bitumen, transported to site, laid over previously prepared surface with hydrostatic paver finisher with sensor control to the required grade, level & alignment & rolling with smooth wheeled, vibratory & tandem rollers to achieve the desired compaction as per clause 508 of MoSRT&H specification for road and bridgeworks (4th revision) including cost conveyance royalty and hire charges, cess etc. complete as directed by the Engineer in charge.

Providing, blinding road surface with sand 6 mm thick including cost, conveyance, royalty of all materials and labour charges, labour cess etc. all complete as per the direction of Engineer-in-Charge.

Quarrying, collecting, supplying and stacking of good quality of moorum and sand in regular box heap size of 1.50m X 1.50m X 0.50m to be measured as one cum and admixing moorum and sand in (70 : 30) proportion and laying in sub-base of road in layers not exceeding 150 mm thick with all leads, lifts and delifts including cost, conveyance, royalty, cess including hire charges of T&P materials required for the work, watering and consolidation with P.R.R., hire and running charges of machineries etc.complete as per specification and direction of the Engineer-in-Charge.

Earth work in approved type of soil in borrow area by mechanical means and loading in to transportation vehicle and transportation of earth by mechanical means and unloading the earth over the approved surface of the embankment in proper profiles with all leads, lifts, delifts including rough dressing and breaking the clods in to 5 cm to 7 cm size including removal of all foreign materials, debrises, grass, bushes, vegetations, shrubs, roots from transported earth including laying in layers not exceeding 22.50 cm in depth including watering and compaction, cost of hire & running charges of all machineries, cost of fuel, lubricants, cost of labour, carriage, royalty, cess etc. all complete as per specification and direction of the Engineer-in-Charge.