Emergent patch repairing of Cooch Behar Dinhata Gitaldaha Road_Sl. 4

Construction of Sub Base using Local Materials: Construction of Sub Base using Local Materials, spreading in uniform layers with Motor grader on prepared surface, including screening the metal as necessary, mixing by mix in place method with Rotavator at OMC, and compacting with vibratory roller to achieve the desired density, lighting, guarding and barricading including cost and carriage of all materials and making necessary earthen bundh of one metre wide on each side to protect the edges complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (iv) For Construction of Sub Base by compacting river bed materials.

Supplying and Laying in the specified pattern of Interlocking Concrete Block Pavements (ICBP) with concrete blocks (with concrete grade as specified as per Table 1 of IS 15658:2006) manufactured in steel mould clamped to a vibrating table by hydraulic pressure ( as per cl. no. 6.30 of IRC : SP: 63(2018), from BIS licensee manufacturer, with spacer nib ( Small protruding profiles on the vertical face.. ............with proper confinement of bedding and joint filling sand, compaction, levelling and filling up of the edge gap. 80 mm thick.

Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and stacking the material as directed. (a) By manual means : (i) From 25 mm to 50 mm thick.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. (b) River bazree Both side edge of paver block

ADD GST @ 18.00% ON SUM OF AMOUNT Sl-01 to SL-4

ADD Cess @ 1.00% ON SUM OF AMOUNT Sl-01 to SL-5