WBPWD/PWR/SE/EHC/NIeT-11/25-26

Pavement Work 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. (b) By mechanical means : From 50 mm to 100 mm thick.

Excavation in Soil using Hydraulic Excavator CK 90 and Tippers with disposal upto 1000 metres.Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines,grades and cross sections, and transporting to the embankment location within all lifts and lead upto 1000m as per Clause 301 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (Mode of measurement: pre works and post works)

Sand filling in foundation trenches and at the back of abutments, wing-walls etc. with good local sand free from earth in layers not exceeding 15 cm. including inundating each layer by profuse water and poking and ramming layer by layer complete including supply of sand. Quality of sand is to be approved by the Engineer-in-charge.

.Grading – III

Grading – V

Wet Mix Macadam Base Course Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including screening of aggregates and granular materials, premixing the material with water at OMC in Wet 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, including supply of all materials, machinery, fuel and lubricants, including incidental costs for lighting, guarding, barricading, making earthen bundh to protect the edges including cost of quality control complete as per Clause 406 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Plain / Reinforced Cement Concrete in Open Foundation with coarse aggregates of appropriate nominal size and grading, fine aggregate (sand) conforming to proper grading zone, both of approved quality, cement and water reducing admixtures, as necessary, including labour, cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge and cost for quality control, sampling, testing etc. all complete as per drawing and technical specification including the cost of necessary form work and staging complete as per drawing and technical specifications. PCC Grade M30. Height upto 5m

Supplying and laying in the specified pattern of Interlocking Concrete Block Pavement (ICBP) with concrete blocks (with concrete grade as specified as per table 1 of IS 15658:2006) Manufactured in still mould clamped to a vibrating table by hydraulic pressure (as per cl. No. 6.30 of IRC : SP: 63 (2018), from BIS licensee manufacture, with spacer nib (small protruding profiles on the vertical face of a paver block used as a devise 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 CI. 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 grading 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) and completing the edges with cut blocks as per CI. No. 8.7 of IRC SP -63(2018) with proper confinement of bedding and joint filling sand, Compaction, leveling and filling up of the edge gap. 100mm thick (M-40)

Median portion Sand filling in foundation trenches and at the back of abutments, wing-walls etc. with good local sand free from earth in layers not exceeding 15 cm. including inundating each layer by profuse water and poking and ramming layer by layer complete including supply of sand. Quality of sand is to be approved by the Engineer-in-charge.