WBPWD/EE/KND/NIeT-12/2026-2027

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 (Reference to MoRT&H's specification clause 301).

Sand Filling in Foundation Trenches with good local sand free from earth not exceeding 150 mm compacted thickness including inundating each layer by profuse water and porking and rammimg layer by layer. Quality of sand is to be approved by the Engineer-in-charge.(Reference to MORT&H's specification

Granular Sub-Base with Graded Material,Mix in Place MethodConstruction of granular sub-base by providing graded materials such as natural sand/crushed gravel/crushed stone/combination depending upon the required grading , spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator and compacting with vibratory roller to achieve at least 98% of the maximum dry density for the materialdetermined as per IS:2720 (Part 8), complete as per clause 401 desired density, complete as per clause 401Mix in Place Method: Grading – V

Granular Sub-Base with Graded Material,Mix in Place MethodConstruction of granular sub-base by providing graded materials such as natural sand/crushed gravel/crushed stone/combination depending upon the required grading , spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator and compacting with vibratory roller to achieve at least 98% of the maximum dry density for the materialdetermined as per IS:2720 (Part 8), complete as per clause 401 desired density, complete as per clause 401Mix in Place Method: Grading – III

Water Bound Macadam Base Course Water Bound Macadam Sub Base (For Hard Shoulder) by consolidating Jhama metal /Laterite chelly or stone metal / shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary, hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).G-II

Supplying and Laying in the particular pattern of cement concrete block pavements with BIS Type I, II,III, IV should be as per design requeirment or instruction of E-I-C. Type - II (100 mm thickness) inter locking system

Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately (Reference to MoRT&H's specification clause 202).

Water Bound Macadam Base Course Water Bound Macadam Sub Base (For Hard Shoulder) by consolidating Jhama metal /Laterite chelly or stone metal / shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary, hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).G-II

TACK COAT- Providing and applying tack coat with Cationic bitumen emulsion (RS1) complying with IS:8887 using emulsion pressure distributor on the prepared bituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503). On Granular surface treated with primer @ 0.25kg-0.30 /sqm.

Repairing Pot-holes with Bituminous Macadam (Grading - II, for compacted thickness of upto 75mm) Filling Pot Holes with Bituminous Macadam using Mobile Hot Mix plant (6-10 TPH) with approved crushed aggregates of specified grading premixed with bituminous binder @3.4% by wt. of the total mix, transported to site and laid in the pot hole prepared before hand by cutting the edges to get a firm vertical face and by removing all the failed and loose materials including dust and applying tack coat evenly on the sides and on the surface as per specification, rolling the filled depression (Contd. )with 8-10 tonne smooth wheeled roller to achieve the desired compaction, including the cost and carriage of stone aggregates andbitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of all operational staff, quality controlexcept the cost of tack coat complete as per direction of Engineer-in-charge. Payment to be made on the basis of the loose net volume of the stone aggregates used in the work.3(ii)for Grading II (19 mm nominal maximum aggregate size) Layer Thickness 50-75mm