Repairing of Damaged parts of Narmada Bridge in km.137/4 of NH-45 in the State of Madhya Pradesh

Amount

14.10 Providing, fitting and fixing mild steel railing complete as per drawing and Technical Specification and as per relevant clauses of section 1900 and 2700.

14.10 Providing, fitting and fixing mild steel railing complete as per drawing and Technical Specification and as per relevant clauses of section 1900 and 2700.

13.1 Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications

B PCC Grade M 20

5.12 Mastic Asphalt Providing and laying 25 mm thick mastic asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-39, prepared by using mastic cooker and laid to required level and slope after cleaning the surface, including providing antiskid surface with bitumen precoated fine-grained hard stone chipping of 13.2 mm nominal size at the rate of 0.005cum per 10 sqm and at an approximate spacing of 10 cm center to center in both directions, pressed into surface when the temperature of surfaces not less than 1000C, protruding 1 mm to 4 mm over mastic surface, all complete as per clause 516 of specification.

Bridge in Km 137/4 for NH 45 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.as per relevant clauses of section 300 & 2100 in I) Ordinary soil B) Mechanical Means

(i) Depth upto 3 m

4.1 Granular Sub-base with Well Graded Material (CBR>30 or more) (Table:- 400-1 & Table 400-2) Construction of granular sub-base by providing well graded material like natural sand crushed gravel or crushed stone having CBR >30, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator or plant mix method at OMC, and compacting with vibratory rollers of 80 to 100 kN static weight to achieve the desired density, complete as per Clause 401 of Specification.

12.3 Providing Plain cement concrete M-15 nominal mix in foundation as per relevant clauses of sections 1500, 1700 and 2100.

12.6 Provdiing and laying Plain/Reinforced cement concrete in open foundation including form work shuttering etc. complete as per drawing and technical specifications and as per relevant clauses of sections 1500, 1700 & 2100 with .

B) PCC Grade M20

13.1 Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications

PCC Grade M20

13.8 Supplying, fitting and placing HYSD bar reinforcement in sub- structure complete as per drawing and technical specifications and as per relevant clause of section 1600.

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

15.7 Providing and laying Flooring complete as per drawing and Technical specifications laid over cement concrete bedding.

© Cement Concrete Grade M15

Providing and laying Pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications

Stone/Boulder

Providing and laying suitable designed Filter material underneath pitching in slopescomplete as per drawing and Technical specification

Embankment Construction with Material Obtained from Borrow Pits Construction of embankment with approved material having CBR>7 obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-1, 300-2 and as per relevent clauses of section-300.

R K JAIN