29/HDA/EC OF 2026 2027

Pumping out water from ponds or tanks. Ref: Page-04, item no -8 of PWD(B)-2017.

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material (Reference to MORT&H's specification 304). Ref: Page-179, Sl no.1 - NH SOR 2019-2020.

Weaving wire mattress as directed with wire of 4mm dia. and making sausage crate of required shape after tying all intersections including joining longitudinal ends, closing ends of sausage, carriage of wire to site of work complete in all respect as per direction of the Engineer-in-charge including cost of supply of G.I. wire. (With 100mm x 100mm mesh.) Ref: Page-336, item no -18.30 of PWD(R&B)-2017.

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 300-450mpa, 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.

Plain/Reinforcement cement concrete in sub-structure complete all including vibrating and compacting, finishing, curing, sampling, testing etc. by mechanically mixed as per drawing and TecPWD-NHical Specifications (Reference to MORT&H's specifications 1500, 1700 & 2200). PCC Grade M15 Ref: Page-220, Sl no.5A- PWD-NH SOR 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.

Scarifying the existing granular road surface to a depth of 50 mm and disposal of scarified material within all lifts and leads upto 1000 metres. (Reference to MoRT&H's specification clause 305.4.3). Ref: Page-86, Sl no.14 - HN SOR 2019-2020.

Providing, laying, spreading and compacting graded stone aggregate conforming to the grading of table 400 13 revised vide table2 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 inuniformlayerswithpaver in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density .The thickness of a single compactedlayershallnotbelessthan 75 mm.(Reference to MoRT&H's specification 406. Ref: Page-106, Sl no.12 -NH SOR 2019-2020.

Providing and applying primer coat with cationic bitumen emulsion SS1 grade conforming to IS:8887 on prepared porous granular surface including clearing of road surface and spraying primer using mechanical means (Reference to MORT&H's specification clause 502). Ref: Page-110, Sl no.1, A, i -NH SOR 2019-2020.

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 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.