23/HDA/EC OF 2026 2027

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 with 8-10 tonne smooth wheeled roller to achieve the desired compaction, including the cost and carriage of stone aggregates and bitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of all operational staff, quality control except 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. Ref: Page-268, Sl no.2-NH SOR 2019-2020.

Construction 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 achieveat least 98%of the maximum dry density for the material determined as per IS:2720 (Part 8), complete as per clause 401 desired density, complete as per clause 401. Rate per cum for grading-V Material. Ref: Page-99, Sl no. 1B(V)- NH SOR 2019-2020.

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniformthickness, hand packing, rolling with 3 wheeled steel/ vibratory roller 8-10 tonnes in stages to proper grade and camber, applyingand brooming requisite type of screening/binding Materials tofillup the interstices of coarse aggregate, watering and compacting to the required density (Reference to MoRT&H's specification 404) Grading-1 (Table 400-9). Using Screening Crushable type such as Moorum or Gravel Ref: Page-103, Sl no.9A(i)(a) -NH SOR 2019-2020.

Providing and applying tack coat with Cationic bitumen emulsion (RS1) complyingwith IS:8887using 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) Ref: Page-111, Sl no.2 (A)(i) -NH SOR 2019-2020.

Providing, laying and rolling of open-graded premix surfacing of 20mm thickness composed of 13.2 mm to 5.6mm aggregates either using viscosity grade bitumen of approved grade to required line, gradeand level toserveaswearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a smooth wheeled tandemor other approved type roller 8-10 tonne capacity, finished to requiredlevel andgrades (ReferencetoMORT&H's specification clause 510). Mechanical method using approved grade Bitumen and HMP of appropriate capacity not less than 75 tonnes/hour. Ref: Page-119, Sl no.10(i) -NH SOR 2019-2020.

Providing and laying of premix sand seal coat with HMP using approved crushed stone chipping and viscosity grade paving bitumen of suitable approved grade. Type B Ref: Page-121, Sl no.12,ii -NH SOR 2019-2020.

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. Boulder Sausage Ref.:-Page No-(PWD/Building) 1, Item No-2

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work) Ref.:-Page-(PWD/Building) 1,Item No-3

Providing and laying of boulder apron laid in wire crates made with 4mm dia wire dia not less than 4mm GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh Mesh size not more than 150mm (weaved diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 40 kg each (Tensile strength 300-450 mpa, size of wire crates 3.0mx1.50mx1.25 m) (Reference to MORT&H's specification 2503 ) Ref: Page-255, Sl no.2, NH SOR 2019-2020.

Providing and fixing typical citizen information board constructed with BFS, PCC, 250 mm & 125 mm brick wall (1:4) with necessary rule pointing, including supply & fixing of white marble stone (1100mm X 800mm X 18mm) with black colour engraved lettering as per the enclosed drawing. Ref:-Based on rate analysis.