66/HDA/EC OF 2026 2027

By Mix in Place Method Construction of granular sub-base by providing graded material such as natural Laterite Boulder/ Moorum/ crushed gravel/crushed stone/combination depending upon the required grading spreading in uniform layers with motor grader on prepared surface, mixing by appropriate mechanical mixure (with controlled addition of water), and compacting with vibratory roller to achieveat least 98%of the maximum dry density for the material deter mined as per IS:2720 (Part 8), complete as per clause 401 Ref: Page-99, Sl no.1B(i) PWB-NH sch 2019-2020.

Providing and applying tack coat with paving bitumen of VG-10 grade conforming to IS:73 using emulsion pressure distributor on the prepared ituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503) i)On bituminous surface @ 0.20kg- 0.3kg /sqm. Ref: Page-111, Sl no.2, B, i -PWD NH sch 2019-2020.

Bituminous Macadam. Providing and laying bituminous macadam with 100-120 TPH hot mix plant using crushed aggregates of specified grading premixed with approved bituminous [email protected]% (min) forGrading-and 3.4% (min) for Grading-2 by weight of total mix, transported to site, laid over a previously prepared base with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction (Reference to MORT&H's specification clause 504). ii) for Grading II (19mmnominal maximum aggregate size) Layer Thickness 50-75mm Ref: Page-112, Sl no.3, ii-PWD NH sch 2019-2020.

Open - Graded Premix Surfacing Providing, laying and rolling of open-gradedp remix 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) -PWD NH sch 2019-2020.

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

Construction of sub-grade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2 (Reference to MoRT&H's specification clause 305) Ref: Page-88, Sl no.18 - 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 15 mm thick plastering (1:4) & 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.:-Rate Analysis.

18% GST