Patch repairing of road damaged bituminous surface by ICPB at Lauhati-Haroa Road from 7.70 km. to 10.10 km. (BC Surface) under Barasat Highway Division No.-I in the District of North 24 Parganas.

Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material within all lifts and lead upto 1000 metres (Reference to MoRT&H's specification clause 305.4.3).

Wet Mix Macadam - 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.)

Suppling and Laying in the Type II, (100 mm thickness) inter locking of cement concrete block pavements with BIS certification and spacer nib of size and shape with aspect ratio as per IS 15658 with cement concrete grade not less than M40 on the prepared base course of specified CBR as mentioned in design and drawing with a cushion of bedding sand of 30 to 50 mm thick (grading of the bedding sand as per clause 6.5.1 of IRC SP-63) and filling up the gaps between two paver block with joint filling sand (the grading of the joint filling sand will be as per clause 6.5.2) complete as per IRC SP - 63 with proper confinement of bedding and joint filling sand, compaction,levelling and filling up of the edge gaps with mortar. system should be as per design requeirment or instruction of E-I-C. Type - I (120 mm thickness) inter locking system

L.W.C. @ 1.01 % over Sl. No. 1 to 3

Less L.W.C. @ 1% over Sl. No. 4.10

GST @ 18% over Sl. No. 4.20

Labour Welfare Cess @ 1% over Sl. No. 4.20