STBR/SOPD-G/Doomdooma-01 Construction of RCC Br. No. 1/1 (Balance Work) over Doomdooma River on Old A.T road including approaches under Digboi and Margherita Territorial Road Division, Tinsukia (Doomdooma LAC) under SOPD-G for the year 2024-25

Amount

Excavation for structures : Earth work in excavation for foundation of structures as per drawings and technical specification clause 305.1, including setting out, construction of shoring and bracing, removal of stumps and other deeleterious matter and disposal up to 50m,, dressing of sides and bottom and back filling in trenches with excavated suitable material. I. Ordinary soil A. Manual means (ii) 3m to 6m depth

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

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

Cement concrete for reinforced concrete in pile cap complete as per drawing and Technical Specification of MORTH Section 1100,1500&1700 B. RCC Grade M25 ( Using Concrete Mixer)

Providing and laying of PCC M15 levelling course 100mm thick below the pile cap as per drawing and technical specification of MORTH Section 1100 & 1700

Supplying , fitting and placing TMT bar reinforcement in foundation complete as per drawing and Technical Specifications clause 1000 & 1202.

Providing and constructing temporary island for construction of pile foundation with depth of water upto 4.0m complete as per technical specification

Providing and construction of one span service road to reach island location from one pier location to another pier location

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 and 1204 B. IV. RCC Grade M25 (With Natural Gravel) I) Height up to 5.0m

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202

Backfill behind abutment, wing wall and return wall complete as per drawings and technical specification clause 1204.3.8 i. Granular material.

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC:83(pt.II) section IX complete including all accessories as per drawing and Technical Specification clause 1207.1.

Furnishing and placing reinforced / Prestressed cement concrete in superstructure as per drawing and Technical Specifications at clause 800, 1205 and 1205 . A with crushed Stone. B. RCC Grade M25 ( Using Concrete Mixer) (p) Height up to 5.0 m

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar . (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202

Structural steel Built-Up-Girder (BUG) (Providing and launching Steel Truss of Structural steel BUG Super Structure including painting complete as per as per drawing and technical specifications under Section 1900 of MOST.)

Providing and laying cement concrete wearing coat M30 grade including reinforcement complete as per drawing and technical specifications clauses 800 and 1206.3. (B) With crushed stone.

Construction of RCC railing of M25Grade in cast insitu with 20mm nominal size aggregate, true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500 centre to centre spacing between vertical post not to exceed 2000mm as per drawing and technical specifications clauses 800,900 and 1208.3.

Drainage spouts complete as per approved drawings and technical specification clause 1209.

Burried Joint (Providing and laying a burried expansion joint, expansion gap being 20mm, covered with 12mm thick, 200mm wide galvanised wieldable structural steel plate as per IS:2062, placed symmetrical to centre line of the join, resting freely over the top surface of deck concrete, welding of 8mm dia. 100mm long galvanised nails spaced 300mm c/c along center line of the plate, all as specified in clause 2604.

PCC M15 ordinary grade (1:2.5:5) in levelling course below approach slab complete as per drawing and technical specifications clause 800 &1211

Providing and fixing 20mm thick compressible fibre board in expansion joint complete as per drawing & Technical Specification clause 2605.

RCC approach slab with M25 grade approach slab including reinforcent and form work complete as per drawing and technical specifications clauses 800 & 1211. A. with crushed stone.

Carrying out SSI and preparation of DPR including design and drawing of bridge including approaches and protection complete as directed by the Engineer. A) For Bridge length less than 25 m ( as per accepted rate)

Providing and laying pitching on slopes laid over prepared filter media as per drawing and Technical Specification Clause 1302 (i) Stone/Boulder

Providing and laying filter material underneath pitching in slopes complete as per drawing and Technical Specification Clause 1302

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.

Type - A, "W" : Metal Beam Crash Barrier (Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel Section 150 x 75 x 5 mm, 330 mm long complete as per clause 810.

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

Construction of subgrade and earhen shoulders With approved materials obtained from borrow pits with all Lifts and leads, transporting to site, spreding, grading to required slope and compacted to meet requirement of Table 300.2 with as per Technical Specification clauses 303.1

Laying and spreading available soil in the subgrade on a prepared surface, pulverising, mixing the spread soil in place with rotavator with 2 per cent slaked lime having minimum 70 per cent of contents of CaO, grading with motor grader and compacting with the smooth wheel road roller at OMC to the desired density to form a layer of improved Sub-grade as per Technical Specification Cluase 403.

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.

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 / binding materials to fill up the interstices of coarse aggregate, watering & compaction to the required density grading 2 as per Technical Specification clause 405

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 / binding materials to fill up the interstices of coarse aggregate, watering & compaction to the required density grading 3 as per Technical Specification clause 405.

Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 -1.0 kg/sqm using mechanical means as per technical specification Clause 502.

Providing and applying tack coat with bitumen emulsion (RS-1)using emulsion distributor at the rate of 0.20 - 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per technical specification Clause 50

Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or cut-back or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per technical specification Clause 508.

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall usingType C as per technical specification Clause 510.

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. Reinforced Cement Concrete. Reinforced Cement Concrete. Reinforced Cement Concrete.

Removing of M.S. Joist from River bed as per EIC

M/S B B Enterprise (BID ID -256128)