Reconstruction of BSNL Site Drain to Pandu PORT Drain from ch 0m to 150m under SOPD G for the year 2024 25

Dismantling of existing existing structures structures like culverts culverts, bridges bridges, retaining retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work,including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202. 1.By Manual Means b.Cement Concrete

Desilting the existing Drain including its debries ,silts etc including removal the same.

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. 1.Ordinary soil A.Manual Means (I) Without dewatering

Removal of unsuitable soil including excavation, loading and disposal upto 1000 m lead but excluding compaction ground supporting embankment subgrade replacement by suitable soil, which shall be paid separately as per Clause 303.5.2 as per Technical Specification Clause 302.3.11

Providing and laying of dry rubble flooring complete as per drawings and technical specifications Clause 1303.3

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 (A)With crushed Stone .'PCC Grade M15

Supplying, fitting and placing TMT IS:1786 (Fe 500) bar reinforcement in sub-structure complete as per drawing and technical specifications (a) TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/Jindal panther steel/ Shyam steel or equivalent)

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification steel shuttering formwork. (E)R.C.C. Grade M20 (a) Height upto 5m

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification

Back filling behind abutment, wing wall and return wall complete as per drawing and technical specification. (B) sandy materials

Laying brick soling layer on prepared sub-grade with brick on end edging according to lines, graded and cross-section shown on the drawing filling joints with sand and earth, spreading 25 mm thick layer of earth over brick soling,watering and rolliing the same with three wheel road roller 80-100 kN as per Technical Specification Clause 412

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork. PCC Grade M30 (i) Using Concrete Mixer