Kolkata Municipal Corporation Tender

Cement concrete with graded jhama khoa (30 mm size) excluding shuttering In ground floor and foundation. (a) 1:3:6 proportion

Laying of interlocking Paver Blocks as per approved design over 20-30mm th medium yellow sand bed with true to line,lavelling,proper compaction with vibrator etc. with jointing with kerb/edge should be made with Cement Concrete (1:2:4)etc. as per the direction of the Engineer-in-charge and including cost of materials,labour etc. complete

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 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 blocks, as per Cl. 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 IS: 15658) as per Table 2 of IS :15658 with flexural strength/breaking load as per Annexure G 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 compacted bedding sand of 25-35 mm thick (grading of the bedding sand as per clanse 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 he us per clause 6.5.2 of IRC SP 63) and completing the edges with cut blocks as per Cl. No. 8.7 af IRC SP-63(2018) with proper confinement of bedding and joint filling sand, compaction levelling and filling up of the edge gap. 50mm thick (ii) Coloured Decorative  (12th Corrigenda & addenda dated14.10.2020)

Supplying & laying 25 mm thick Tiles of any shade of approved quality as per relevant IS code, IS: 1237-2012 laid in pattern as directed for footpath, ramp, staircase of public building over 25 mm thick (Avg) Cement mortar (1:3) & Cement Slurry @ 4.4 kg/Sq.m ut hack side of Black. (Cement for Martar & Slurry to be supplied by Department). in all respect i.e, with all labour and material. (ii) Coloured Decorative  (Border concrete if necessary to be paid separately). Note: Sub-grade CBR should not be less than 5.  (12th Corrigenda & addenda dated14.10.2020)

Resetting of Stone Slabs of kerb & channel of road side drain to correct line and level including cement pointing (1:2). b) flat channel stone.

Supplying and laying factory made flat channel stone of cement concrete M-20 (1:1.5:3) machanicaly vibrated; size 500mm X 300mm X 100 mm; making joints with cement mortar (1:4) incldg cost of all materials and labours but excluding the cost of under bed (for road-diveder)

Sub Total

GST 18%

CESS 1%