Re-Construction of demaged RCC Bridge No. 4/1 over river Demow on the Mohan Hazarika Ali to Bor Ali Road including approaches and protection works under SOPD-G-2022-23 under Sivasagar LAC in PWRD, STTRD.Pkg. No. SOPD-G/22-23/STTRD /SIVASAGAR/02

Amount

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. By mannual means (A) In area of non thorny jungle

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 i) From private land

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1 i) From private land

Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. A. By mix in place method ii) For grading-II material,

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. A. WBM Gr.III ii) By mannual means,

Providing and laying interlocking concrete block pavement with M40 grade grade of concrete blocks having thickness 80mm as per technical specification clause 1504 complete including carriage.Including Edge block/ Edge restraints

Supplying, fitting and fixing RCC guard post 150cm long erected 75cm above the ground and 75cm below the ground with M-15 grade (nominal mix 1:2:4 with broken stone aggregate up to 20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering, moulding the top, curing including painting concrete surfaces in 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflective band of desired shade etc. complete as per design and as directed. B) 15 cm dia. RCC guard post with reinforcement of 4nos. 12mm dia TMT main steel bars and 6mm TMT/ MS stirrups at 15cm c/c.

Providing and fixing recto-refletorised cautionary mandatory and informatory sign board as per IRC:67 made of encapsulated lens type reflecting sheeting vide Clause 1701.2.3 fixed over aluminum sheeting 1.5mm thick supported on a mild steel angle iron post 75mmx 75mm x 6mm firmly fixed to the ground by means of properly designed foundation with M-15 grade cement 450mm x 450mm x 600mm, 600mm below ground level as per approved drawings and technical specification clause 801 (ii) 60cm equliteral triangle.

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting,1.5mm thick supported on a mild steel angle iron post 75mmX75mmX6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450mmX450mmX600mm, 600mm below ground level as per drawings and Technical Specification Clause 1701 (ii)60cmX60cm square

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 i) From private land

Dismantling of existing structures like culverts, bridges, 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.I By Manual Means c) Reinforced Cement Concrete

Estimate cost for NDT(test considered ultrasonic pulse velocity test &Reboundhammer test)

Bored cast-in-situ M35 grade R.C.C. pile excluding reinforcement complete as per drawing and technical specifications and removal of excavated earth with all lifts and lead upto 1000 m. (Pile diameter-1000 mm)

Pile load test on single vertical pile in accordance with IS:2911 (Part - IV) (a) Initial and Routine load test.

Levelling course for Pile Cap : Providing and laying of PCC M15 levelling course 100mm thick below the pile cap as per drawing and technical Specification of MoRT&H Clause 1100 & 1700 .

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 .I ordinary soil A . Manual Means (I) Without dewatering(i) up to 3 m depth.

Supplying, fitting and placing un-coated TMT bar reinforcement in foundation complete as per drawing and Technical Specifications Clauses 1600 (b) With TATA make TMT rebar .

Cement concrete for reinforced concrete in Pile Cap complete as per drawing and Technical Specification. Including steel shuttering formwork : MoRT&H Clause 1100,1500 &1700 (N) Without plasticiser B. RCC Grade M25 (i) Using Concrete Mixer .

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork F. RCC Grade M25 (Using concrete mixture) Height 5m to 10m

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)

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) Granular material (Rate as per analysis)

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC: 83 (Part-II) section IX and clause 2005 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification' including steel shuttering formwork. B. PSC Grade M25 ( Using concrete Mixer ) (I) For T-Beam and Slab (b) Height upto 5.00 m to 10.00 m

Reinforcement in Super Structure: Supplying, fitting and placing TMT conforming to IS:1786 Fe 500 D reinforcement in super-structure including splicing 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)

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications

Construction of RCC railing of M30 Grade in-situ with 20 mm nominal size aggregate, true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequat space between vertical posts for expansion, complete as per approved drawings and technical specifications.

Drainage Spouts complete as per drawing and Technical specification

Strip Seal Expansion Joint (Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70 mm, complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or their authorised representative ensuring compliance to the manufacturer's instruction for installation).

Boulder apron laid in wire crates (Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh (weaved diagonally) including 10% extra for laps and joints laid with stone boulders weighting not less than 40Kg each.) ( RATE AS PER ANALYSIS )

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 A. Stone boulder ( Rate as per analysis )

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification clause 1302 ( Rate as per analysis )

Pulin Gayan

SUNMONI BURAGOHAIN

DHRUBAJIT CHETIA