Kolkata Municipal Corporation Tender

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

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)

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

MATERIALS AND LABOUR  1. Building (B) Labour Rates Per Diem : 3)Mazdoor (Male). Note: (I)The above rates of labour are exclusive of 10% contractors profit and 1% Labour welfare cess which would be admissible to the Contractors, but contractual percentage will not be applicable. (II) The workersemployed on high rise building or any structure over 30 ft in height and also workers engaged in Tunnel shall be paid 20% extra wages.

Raising cover and frame of Catch Pit with CBW (1:4), 250 mm thick up to 100mm high with 20mm thick sand and cement plaster (1:4) including finishing with neat cement after cutting the asphaltum pavement taking out and re-fixing the existing cover and frame with cement concrete (1:1.5:3) with stone chips all round the frame surface including removal of surplus spoils.

Raising cover and frame of Special Inspection Pit with CBW (1:4), 250 mm thick up to 100mm high with 20mm thick sand and cement plaster (1:4) including finishing with neat cement after cutting the asphaltum pavement taking out and re-fixing the existing cover and frame with cement concrete (1:1.5:3) with stone chips all round the frame surface including removal of surplus spoils.

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge.

Sub Total

GST 18%

CESS 1%