53/HDA/EC OF 2026 2027

Maintenance of Earth Shoulder (stripping excess soil) Stripping excess soil from the shoulder surface to achieve the approved level and compacting with plate compactor as per the requirement of MORT&H's specification 3003. Ref: Page-167, Sl no.3 - PWD-NH SOR 2019-2020.

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, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work (Reference to MoRT&H's specification clause 304). Ordinary soil al Means (Depth upto 3 m) Ref: Page-84, Sl no. 13(i)A - PWD-NH SOR 2019-2020.

Supplying and laying polythene sheet (150gm/sqm) in foundation trenches. Ref:-PWD(B)-2017-2018, Page No-47, Item No.-3

Plain cement concrete in open foundation complete all including 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 M30 Using Concrete Mixer Ref: Page-184, Sl no. 8F(I) - PWD-NH SOR 2019-2020.

By Mix in Place Method Constructionofgranularsub-baseby providing graded material such as natural Laterite Boulder/Moorum/crushed gravel / combination depending upon the required grading spreading in uniform layers with motor grader on prepared surface, mixing by appropriate mechanica lmixure (with controlled addition of water), and compacting with vibratory roller to achieveat least 98%of themaximum dry density for the material determined as per IS:2720 (Part 8), complete as per clause 401 Ref: Page-99, Sl no. 1B(I) - PWD-NH SOR 2019-2020.

By Mix in Place Method 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)-PWD-NH sch 2019-2020.

Wet Mix Macadam 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 compacted layer shall not be less than 75 mm.(Reference to MoRT&H's specification 406. Ref: Page-106, Sl no. 12 - PWD-NH SOR 2019-2020.

Concrete Block Pavement Supplying and Laying in the particular pattern of cement concrete block pavements with BIS certification and spacer nib of size and shape with aspect ratio as per IS 15658 with cement concrete grade not less than M40 on the prepared base course of specified CBR as mentioned in design and drawing with a cushion of bedding sand of 30 to 50 mm thick (grading of the bedding sand as per clause 6.5.1 of IRC SP-63) and filling up the gaps between two paver block with joint filling sand (the grading of the joint filling sand will be as per clause 6.5.2) complete as per IRC SP - 63 with proper confinement of bedding and joint filling sand, compaction, levelling and filling up of the edge gaps with mortar. Type I, II,III, IV should be as per design requeirment or instruction of E-I-C. b) Type - II (100 mm thickness) inter locking system Ref: Page-50, Sl no. B-3 -PWD-NH SOR 2019-2020.(2nd Addenda)

Providing weep holes in Brick masonry/Plain/ Reinforced concrete abutment, wing wall/ return wall with 100 mm dia AC/PVC/HDPC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical Specifications (Reference to MORT&H's specifications 2706 & 2200). Ref: Page-227, Sl no. 8 - PWD-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 TecPWD-NHical Specifications (ReferencetoMORT&H's specifications 1600 & 2200). Ref: Page-226, Sl no.6- PWD-NH sch 2019-2020.