SKAMRUP/PMGSY/AS-11-690.L067- Construction of RCC Bridge No.4/1 on Road from Tupamari to Tupamari No.2 (PMGSY Package No.AS-11-690, under SOPD(G) for the year 2019-20

Amount

Road Works

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. (I) By Manual 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) 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) 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. 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. By Manual Means

Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 complete including carriage. a) Including Edge block/ Edge restraints

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 2m center to center, 1.8 m high, 1.1m below ground/road level, all steel parts and fitments to be galvanized by hot dip process, all fitting to conform to IS:1367 and IS:1364, metal beam rail to be fixedon the vertical post with a spacer of channel section 150mmX75mmX5mm, 330mm long complete as per clause 810.)

Bridge work

Labour for dismanteling all members of the timber bridge (except piles) and stacking them at sutiable places as directed( all members will be under custody of the contractor till taken over by th department.)scarfing and joining piles 25 cm to 30 cm dia Dressed to heartwood 90 cm. In length includng supplying, fitting and fixing with 2 nos. of 50 mmX 10 mm MS FI clamps and 16 mm dia MS bolts and nuts etc. complete as directed

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

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

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-750 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

Cement concrete for reinforced concrete in pile cap complete as per drawing and Technical Specification RCC Grade M25 Using concrete mixer.

Reinforcement in Foundation: Supplying, fitting and placing conforming to IS:1786 TMT reinforcement bar Fe500 in foundation complete as per drawing and technical specifications TMT - IS 1786 (Fe-500 D) from Primary Producer like TATA/SAIL/SHYAM STEEL/ESSER STEEL/JINDAL STEEL/RINL etc.

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 RCC Grade M 25 For height upto 5 m Case-I:Using concrete mixer.

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

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 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 25 Height upto 5M Case-I:Using concrete mixer.

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

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

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

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).

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 With crushed stone 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 With crushed stone

Protection work

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

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

Sub-way

Construction of cold weather Bamboo bridge overall width of 3.70m and clear road way 3m with jungle wood post 20cm to 25cm dia 5nos. In each rows and rows being 2.1m. apart except for the navigable span which should be 3m. Post to be driven at least 180cm. or more below ground level including providing 20cm to 25cm center to center and placed over 20 cm dia, jungle wood dham, 15cm dia. jungle wood bracing collar fixed by bolts and nuts, straps etc. mature bholuka Bamboo cross groth all closely packed and tied 75cm wide track way made from 38mm thick 1st class local plank fixed on 75mmx100mm first class local wood battens 120cm apart and 3 lines of jati bamboo horizantal railing fixed in bholuka bamboo post placed at 210cm apart and white washed including all necessary nuts and bolts, coir ropes, struts, nails etc. complete with a layer of brushwood to exposed portion out-side trackway with earth topping complete as per direction of the department.

SARAIGHAT ENGINEERS