WBPWD/SE/NBCCII/NIT04/26-27

FOR ROAD PORTION PAVEMENT WORKS:- Cold Milling of Bituminous Pavement surface upto the required depth by mechanical means using milling machine, without disturbing the under lying layers, to proper line and level, cleaning the surface properly after milling and removing the loose materials, stacking the milled materials for re- use, necessary guarding, barricading & lighting, including hire charges of machinery, cost of fuel and labour and other incidental charges all complete and as per direction of Engineer-in-Charge. For depth upto 100mm

Sand Filling in FoundationTrenches withgood local sandfreefromearth not exceeding 150 mm compacted thickness including inundating each layer by profusewater andporking andrammimg layerby layer.Quality of sand is to be approved by the Engineer-in-charge. With Fine sand.

Granular Sub-Base with Graded Material (Table:- 400-1) Plant Mix Method Constructionofgranularsub-baseby providing graded material such as natural sand/crushed gravel/crushed stone/combination depending upon the required grading spreading in uniform layers with motor grader on prepared surface, mixing by appropriate mechanical mixure (with controlled addition of water), and compacting with vibratory roller to achieveat least 98%of the maximum dry density for the material determined as per IS:2720 (Part 8), complete as per clause 401. Grading-V Material NB Variety stone metal/chips.

Tack Coat Providing and applying tack coat with Cationic bitumen emulsion (RS1) complying with IS:8887 using emulsion pressure distributor on the prepared bituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503). On bituminous surface . Using cationic RS-1 @ 0.250kg /sqm.

Plain/Reinforced cement concrete in open foundation complete all including vibrating and compacting, finishing, curing, sampling, testing etc. as per drawing and Technical Specifications (Reference to MORT&H's specifications 1500, 1700 & 2200). PCC Grade M15. With Pakur Variety stone chips.

Plain/Reinforced cement concrete in open foundation complete all including vibrating and compacting, finishing, curing, sampling, testing etc. as per drawing and Technical Specifications (Reference to MORT&H's specifications 1500, 1700 & 2200). RCC Grade M20 using concrete mixer. With Pakur Variety stone chips.

Planting and Maintaining of Flowering Plants and Shrubs (Reference to MORT&H's specification 307).Maintenance of flowering plants and shrubs in central verge for one year.

Cast in Situ Cement Concrete M20 Kerb : Construction of cement concrete kerb with top and bottom width 115 and 165mm respectively, 250mm high in M 20 grade PCC on M-15 grade foundation 150 mm thick, foundation having 50mm projection beyond kerb stone, kerb stone laid with kerb laying machine, foundation concrete laid manually, all complete as per clause 409 (Reference to MORT&H's specification 409). Using Concrete Batching and Mixing Plant. With Pakur Variety stone chips.

Providing and laying dense graded bituminous macadam with 100-120 TPH batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder of approved grade @ 4.0% (min) for Grading -1 and 4.5% (min) for Grading -2 by weight of total mix and filler(Cement /hydrated lime / Rock dust ) as per table 500-10 and mix design done as per table 500- 11and job mix formula as per clause 505.3.3 transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the requiredgrade, level and alignment, rolling with smooth wheeled, vibratory tandem roller and with pneumatic tyre roller of 12 to 15 tonne weight with a pressure at least 0.56 MPa as directed by E-I-C, and to achieve the desired compaction as per MORT&H specification clause No. 505. 3.5 complete in all respects (Reference to MORT&H's specification clause 505). For Grading 2 (26.5 mm nominal maximum aggregate size ) Layer Thickness 50-75mm. With VG-30 BULK Bitumen ,Cement and Pakur Variety stone chips.

Dense Graded Bituminous Macadam Providing and laying dense graded bituminous macadam with 100-120 TPH batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder of approved grade @ 4.0% (min) for Grading -1 and 4.5% (min) for Grading -2 by weight of total mix and filler(Cement /hydrated lime / Rock dust ) as per table 500-10 and mix design done as per table 500- 11and job mix formula as per clause 505.3.3 transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory tandem roller and with pneumatic tyre roller of 12 to 15 tonne weight with a pressure at least 0.56 MPa as directed by E-I-C, and to achieve the desired compaction as per MORT&H specification clause No. 505.3.5 complete in all respects (Reference to MORT&H's specification clause 505). For Grading 1 (37.5 mm nominal maximum aggregate size ) Layer Thickness 75-100mm VG-30 BULK ,Cement and Pakur Variety stone chips.