Construction of RCC Bridge span 1 x 24.75 m at chainage 620.00 m over Khraipong Nala

Amount

Foundation

Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material

I) In Ordinary Soil , i) Upto 3 m Depth

II) Ordinary rock (not requiring blasting) i) Upto 3 m Depth

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 P.C.C grade M 10 Nominal mix 1:3:6

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 R.C.C. grade M 25

Supplying, fitting and placingTMT bar reinforcement in foundation complete as per drawings and technical specifications Clauses 1000 and 1202. (The steel to be used should be from primary producer like TATA/SAIL/ESSER STEEL/ JINDAL/SHYAM STEEL)

Providing and inserting dowels bars of 25 mm dia (TMT) to a depth of 500 mm anchored in the hard rock by grouting with cement slurry, as per specification and making good all complete as directed.

Sub-structure

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 For height upto 5 m IV) RCC Grade M25

Supplying, fitting and placing TMT bar reinforcement (Fe 415) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202. (The steel to be used should be from primary producer like TATA/SAIL/ESSER STEEL/JINDAL/SHYAM STEEL)

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC:83 (Part-II) Section IX complete, including all accessories as per drawings and technical specification Clause 1207.1

Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and technical specification Clauses 614, 709, 1204.3.7

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8 I) Granular material

Super-structure

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5 R.C.C. Grade M 30

Supplying, fitting, and placing TMT bar reinforcement in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202. (The steel to be used should be from primary producer like TATA/SAIL/ESSER STEEL/ JINDAL/SHYAM STEEL)

Providing and laying cement concrete wearing course M 30 grade including reinforcement complete as per drawing and technical specifications Clauses 800 and 1206.3

Construction of R.C.C. railing of M 25 grade in cast-in-situ with 20 mm nominal size aggregate, true to line and grade, tolerance of vertical railing post not to exceed 1 in 500, centre-to-centre spacing between vertical posts not to exceed 2000 mm as per drawing and technical specifications Clauses 800, 900 and 1208.3

Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70mm, complete as per approved drawing and standerd specifications to be installed by the manufacturer,s instructions for installation.

Drainage spouts complete as per drawing and technical specifications Clause 1209

P.C.C. M 15 ordinary grade (1:2.5:5) levelling course below approach slab complete as per drawing and technical specifications Clauses 800 and 1211 (i) Nominal mix (1:2.5:5)

Reinforced Cement Concrete M 25 grade approach slab including reinforcement and formwork complete as per drawing and technical specifications Clauses 800 and 1211

Protection Works :

Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302 I) Stone/Boulder

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302

Approach Road :

Constrction of embankment with approved materials obtained from borrows pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slop and compacting to meet requirement of table 300.1 and 300.2 with lead upto 1000m as per Technic

Construction of subgrade and earthen shoulders with approved materials obtained from borrow pits with lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table 300.1 & 300.2 with lead upto 1000

Granular Sub-base with Well Graded Material (Table 400.1) By Mix in Place Method 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. (i) For Grading I Material

Cement Treated Soil Sub-Base/Base Providing, laying and spreading soil on a prepared sub-grade, pulverising, adding the designed quantity of cement to the spread soil, mixing in place with rotavator, grading with the motor grader and compacting with the road roller at OMC to achieve the desired unconfined compressive strength and to form a layer of sub-base/base as per Technical Specification Clause 404.

Prime Coat ( i ) Low porosity Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.90-1.20 kg/sqm using mechanical means as per Technical Specification Clause 502

Tack Coat Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503

Mix seal surfacing with 5% waste plastic Providing, laying and rolling of close-graded premix surfacing material of 25 mm thickness composed of 11.2 mm to 0.9 mm (Type-A) or 13.2 mm to 0.9 mm (Type-B) aggregates using penetration grade bitumen to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and wheel 8-10 kN static roller and finishing to required level and grades as per Technica Specification Clause 509

Providing and Fixing PMGSY Logo Board at starting point Providing and fixing of typical PMGSY Logo board as per MORD specifications and drawing of cast-in-situ RCC, (Size of RCC post 25cmx25cmx90cm below G.L. & 15cm x 15cm x 260cm above G.L.), (Size of board 1x 85cm x 85cm x 7.5cm) incl.earth work, finishing with 15mm pluster 1:4 and neat cement punning, applying priming coat, painting and lettering with appropiate colour with required shade of approved quality ready mix paint.

Providing and Fixing Title information Board of PMGSY Project (RCC) Providing and fixing of typical PMGSY Citizen information sign board as per MORD specifications and drawing of cast-in-situ RCC, (Size of RCC post 25cm x 25cm x 90cm below G.L. & 15cm x 15cm x 245cm above G.L.), (Size of board 2 x 90cm x 80cm x 7.5cm, ) incl.earth work, finishing with 15mm pluster 1:4 and neat cement punning, applying priming coat, painting and lettering with appropiate colour with required shade of approved quality ready mix paint.

Retaining Wall : 5.00 M

Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material Ordinary soil Upto 3 m depth

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 P.C.C grade M 10 Nominal mix 1:3:6 Wall Base

Stone masonry in cement mortar for substructure complete as per drawing & technical specification Clauses 702, 704, 1202 and 1204 Random rubble masonry In cement mortar (1:5)

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8 Granular material

Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and technical specification Clauses 614, 709, 1204.3.7

Miscellaneous Items (Conformity SSI & Load Test ) :

(i) Conduct of Bore Hole Testing, as per IS:54:2000 sinking of 150 mm dia Bore Hole into the Sub Surface and conduct of all necessary tests and submission of report with recommendation in three copies.

(iv) Conduct of acceptance load testing of completed bridge before opening to the traffic.

Routine Maintenance

First Year

Second Year

Third Year

Fourth Year

Fifth Year

KAUSHAL SHARMA (BID ID -596588)