WBPWD(R)/SE/CHC/eNIT-01/26-27 / 2/Kulgachi - Barnia Road from Ch. 0.00 Kmp to 10.37 Km - Strengthening work under Nadia Highway Division No. I in the District of Nadia.

ROAD WORKS Construction of Embankment with Material obtained from Borrow pits Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2 & 300-1 .The size course material in the mix of earth ordinarily shall not be exceed 75mm.(Reference to MoRT&H's specification clause 305). Compensation for earth will vary from place to place and will have to be assessed realistically as per particular ground situation. In case earth is available from Govt. land, compensation for earth i.e. rs 43.00/m3 to be deducted from the Rate in Col. 4. The position is required to be clearly stated in the cost estimate.

Construction of Embankment with Material obtained from Borrow pits Construction of embankment with approved material obtained from borrow pits (land own/arranged by the Agency) with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2 & 300-1 .The size course material in the mix of earth ordinarily shall not be exceed 75mm.(Reference to MoRT&H's specification clause 305). Cost of compensation for Earth material & its carriage from private land at 5 km distance have been includedin the rate. [Note : Royalty will be deducted from the Agency's bill as per Govt. rules]

Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately (Reference to MoRT&H's specification clause 202) By Mechanical Means Bituminous Courses

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

Construction of sub-grade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2 (Reference to MoRT&H's specification clause 305). With Fine Sand

Construction of granular sub-base by 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 mixture (with controlled addition of water), and compacting with vibratory roller to achieve at least 98% of the maximum dry density for the material determined as per IS:2720 (Part 8),complete as per clause 401 Rate per cum for grading-II Material Using Pakur Variety Stone Aggregates. (Payment will be made on the basis of finished compacted volume) Plant Mix Method

Construction of granular sub-base by 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 mixture (with controlled addition of water), and compacting with vibratory roller to achieve at least 98% of the maximum dry density for the material determined as per IS:2720 (Part 8),complete as per clause 401 Rate per cum for grading-III Material Using Pakur Variety Stone Aggregates. (Payment will be made on the basis of finished compacted volume) Plant Mix method.

Providing, laying, spreading and compacting graded stone aggregate conforming to the grading of table 400- 13 revised vide table 2 of IRC : 109 (2015) 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 .The thickness of a single compacted layer shall not be less than 75 mm.(Reference to MoRT&H's specification 406. Using Pakur Variety Stone Aggregates. (Payment will be made on the basis of finished compacted volume)

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 @ 0.25kg /sqm.

Providing and laying dense graded bituminous macadam with 100-120 TPH batch type HMP using crushed aggregates (Pakur variety) 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 2 (26.5 mm nominal maximum aggregate size ) Layer Thickness 50-75mm using Bulk Bitumen VG-30 (Payment will be made on the basis of finished compacted volume)