North Bengal Development Department Tender

© Supllying 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 from BIS licensee manufacturer, with spacer nib (Small protruding profiles on the vertical face of a paver block used as a device for keeping minimum joint gap in between the paving block used as a device for keeping minimum joint gap in between the paving blocks, as per CI. No. 3.26 of IS: 15658) and of specified size and shape with aspect ratio (The ratio of length to thickness of a paver block as per Cl. No. 3.3 of IS15658) as per Table 2 of IS : 15658 on the prepared base course of specified CBR as per Table 1 of IRC SP 63 (2018) or else as mentioned in design and drawing with a cushion of copacted bedding sand of 25-35 mm thick (grading of the bedding sand as per clause 6.5.1 of IRC SP-63) and filling up the gaps in between paver blocks with joint filling sand the grading of the joint filling sand will be as per clause 6.5.2 of IRC SP-63 (2018) with proper confinement of bedding and jojnt filling sand, compaction, levelling and filling up of the edge gap 80mm thick (i) Grey

Hire and labour charge for shuttering with centreing and necessary staging up to 4 m. using approved stout props and thick hard wood planks of approved thick ness with required bracing for concrete slabs, beams, columns, lintels curved or staight including fitting fixing and striking out after complection of works. (up to roof of ground floor). (f) 25 mm to 30 mm shuttering without staging in foundation.

(II) Cement concrete with 30 mm. down graded shingles excluding shuttering.N.B. VarietyIn ground floor . (a) 1:3:6 proportion. HP culvert

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 (a) 1:2:4 proportion.

Providing and laying reinforced cement concrete pipe NP3 with spigot socket for culverts on first class bedding of granular material in single row including fixing with cement mortar 1:2 as per TechnicalSpecification Clause 1106 for Rural Roads of MORD. (D)600 mm dia metre