38/HDA/EC OF 2026 2027

Excavation for Structures 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).Mechanical means, Depth upto 3m Ref: Page-179, Sl no.1(I)B - PWD/NH SOR 2019-2020.

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 304) Ref: Page-182, Sl no.3, NH SOR 2019-2020.

Plain/Reinforced cement concrete in open foundation complete all including formwork, vibrating and compacting, finishing, curing, sampling, testing etc. as per drawing and Technical Specifications (Reference to MORT&H's specifications 1500, 1700 & 2200). PCC Grade M 15. Ref: Page-184, Sl no.8- NH SOR 2019-2020.

Reinforced cement concrete in sub-structure complete all including formwork, vibrating and compacting, finishing, curing, sampling, testing etc. by mechanically mixed as per drawing and Technical Specifications (Reference to MORT&H's specifications 1500, 1700 & 2200). RCC Grade M20. Height upto 5m. Using concrete Mixer. Ref: Page-220, Sl no.5E,5E(P) - NH SOR 2019-2020

Supplying, binding, fixing etc. including initial straightening, cutting to requisite length, hooking and bending to correct shape, placing in proper position of un coated HYSD reinforcement bar in sub-structure complete as per drawing and Technical Specifications (Reference to MORT&H's specifications 1600 & 2200). Ref: Page-226, Sl no.6- NH SOR 2019-2020

Supplying and laying polyethene sheet (400 G) in foundation or in foundation trenches. Ref:- CPWD(Vol-I), Pg-40. Code no:7053

By Mix in Place Method Construction of granular sub-base (Sand-bats 60:40), bats Size 40mm down 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 material determined as per IS:2720 (Part 8), complete as per clause 401 desired density, complete as per clause 401 Ref: Page-99, Sl no.1(B)(i)- PWB-PWD NH sch 2019-2020.

Wrought iron and mild steel welded work (using angles, square bars, tees and channel grills, grating frames, gates and tree guards of any size and design etc. including cost of screens and welding rods or bolts and nuts complete fixed in position but without the cost of excavation and concrete for fixing which will be paid separately. Ref:- (PWD-NH (R)-2019-20, Page No-177, Item No.-18

Painting on Steel Surfaces Providing and applying two coats of ready mix paint of approved brand on steel surface after through cleaning of surface to give an even shade (Reference to MORT&H's specification 803). Ref:- PWD-NH (R)-2019-20, Page No-145, Item No.-9

Providing and fixing typical citizen information board constructed with SBSF, PCC, 250 mm X 125 mm brick wall and (1:4) with necessary 15 mm thick Plastering (1:4) , including supply & fixing of white marble stone (1100 mm x 800 mm x 18 mm ) with black colour engraved lettering as per the enclosed drawing. Ref:- Derived Rate.