Package No. RIDI-XXIX/Dhubri/01 Construction of RCC Bridge No. 1/1 on 3rd km of BS Road to Chotogaraipar under Mukhya Mantrir Unnoto Pakipath Nirman Achani under RIDF-XXIX of NABARD for the year 2023-24,Bilasipara Wes LAC

Amount

Bridge Part Earth work in excavation of foundation of structures as per drawings & technical specifications, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and back filling with approved material. I. ordinary soil A. manual means (a) without dewatering (ii) 3m to 6m depth

Well Foundation Providing and constructing temporary island 16 m diameter for construction of well foundation for 8m dia. Well. B) Assuming depth of water 4.0 m and height of island 4.5 m

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

Providing and laying of cutting edge of mild steel weighing 40 K.G. per meter for Well foundation complete as perv drawing and as per clause 1200 &1900 of MORTH specifications .

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork.Without plasticiser A. Well Curb II) RCC M - 25 grade. Case - I : Using concrete mixer.

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shutteringformwork.Without plasticiser B. Well steining V) RCC M- 25 grade Case I : Using concrete mixer.

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork.Without plasticiser C. Bottom Plug Concrete to be placed using tremie pipe. II) PCC grade M-20 Case - I : Using concrete mixer.

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork.Without plasticiser E. Top plug III) PCC grade M-15 Case - I : using concrete mixer.

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork.Without plasticiser F. Well Cap II) RCC M - 25 grade Case - I : using concrete mixer.

Sinking of 6 m external diameter well ( other than pneumatic methodof sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewedfrom bed level. MORTH Section No. 1200 . A. Sandy soil I) Depth below Bed level up to 3.0m

Sinking of 6 m external diameter well ( other than pneumatic methodof sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewedfrom bed level. MORTH Section No. 1200 . A. Sandy soil II) Beyond 3.0 m upto 10.0 m

Sinking of 6 m external diameter well ( other than pneumatic methodof sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewedfrom bed level. MORTH Section No. 1200 . A. Sandy soil III) beyond 10 m up to 20 m

Sinking of 6 m external diameter well ( other than pneumatic methodof sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewedfrom bed level. MORTH Section No. 1200 . A. Sandy soil IV)Beyond 20m upto 30 m

Sinking of 7 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewed from bed level. MORTH Section No. 1200 . A. Sandy soil I) Depth below Bed level up to 3.0m

Sinking of 7 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewed from bed level. MORTH Section No. 1200 . A. Sandy soil II) Beyond 3.0 m upto 10.0 m

Sinking of 7 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewed from bed level. MORTH Section No. 1200 . A. Sandy soil III) beyond 10 m up to 20 m

Sand filling in wells complete as per drawing and technical specifications.MORTH Section No. 1207

Reinforcement in Foundation: Supplying, fitting and placing TMT IS:1786 Fe500 D bar reinforcement in foundation 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)

Plain/Reinforced Cement concrete, in Substructure complete as per Drawing and Technical Specifications and steel shuttering formwork Without plasticiser F. RCC Grade M 25 (p).Height up to 5.0 m Case I Using concrete Mixer

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)

Furnishing and placing reinforced / Prestressed cement concrete in superstructure as per drawing and Technical Specifications.including steel shuttering formwork. Without Plasticiser RCC Grade M 25, Case - I : Using Concrete Mixer II) T-beam & slab (a) Height upto 5m

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

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

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC : 83 (Pt. II) Section IX and Clause 2005 of MoRT &H Specifications complete including all accessories as per drawing and Technical Specifications.

Drainage spouts complete as per approved drawings and technical specifications.

Reinforced cement concrete Approach Slab including reinforcement and form work complete as per drawing and technical specification. (a) MT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/Jindal panther steel/ Shyam steel or equivalent

Protection Works 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 as per drawing and technical specifications. (Qty as per statement of Protection work )

Providing and laying boulder apron for bed protection with stone boulders of minimum size and weight as per Table 1300.1, no fragment weighing less than 25 kg laid dry complete as per drawing and technical specifications Clause 1301

Subway SPT Bridge Supplying and driving timber piles of 25cm to 30cm diameter, dressed to heart wood including making length in every 30 cm interval, coal tarring two (2) coats with best tar applied hot (Rate inclusive of the cost of the required quantity of tar.) (B)Using Azar/ Nahar/ Nageswar/ Zarul Timber a) Mechanically with Rod monkey and crab winch (i) Portion of pile actually driven underground.

Supplying and driving timber piles of 25cm to 30cm diameter, dressed to heart wood including making length in every 30 cm interval, coal tarring two (2) coats with best tar applied hot (Rate inclusive of the cost of the required quantity of tar.) (B)Using Azar/ Nahar/ Nageswar/ Zarul Timber a) Mechanically with Rod monkey and crab winch ii)Portion of pile remaining above ground.

Wood work including supplying , fitting and fixing complete with necessary M.S. bolts, nuts, nails, screw etc. and coal tarring two (2) coats with best tar applied hot (Rate is inclusive of the cost of the required quantity of tar.) B) Using Azar/ Nahar/ Nageswar/ Zarul Wood a)Undressed in floor planks, collars, bracing, standards, wheel guards, struts and railings, runner belts, rail, posts etc

Wood work including supplying , fitting and fixing complete with necessary M.S. bolts, nuts, nails, screw etc. and coal tarring two (2) coats with best tar applied hot (Rate is inclusive of the cost of the required quantity of tar.) B) Using Azar/ Nahar/ Nageswar/ Zarul Wood '(b) In track way planks (alternate nailing to be done with decking in a seggragate way.)

Supplying, fitting and fixing timber beam and bearing beam rectangular in size fitted with M.S. etc. supplying spikes etc. as necessary and coal tarring two (2) coats with best tar applied hot as directed (Rate inclusive of cost of the required quantity of tar) b)Using Azar/ Nahar/ Nageswar/ Zarul Timber

Labour for fitting and fixing old RSJ beams CI saddles etc. in position including necessary scafolding cutting them to required size drilling holes and supplying and fixing necessary bolts and nuts and painting two coats complete including carrying from pWD godown.

Carrying out Sub Soil Investigation (SSI), for all types of soil (except boring in rock) upto a depth of 30m or refusal (N=100) for each foundation location as per IRC: 78-2000 and submission of SSI report to the Engineer in -Charge for approval. Preparation & submission of Design calculation & Drawings of foundations, Sub Structures, Super Structures as per relevant IRC codes and SSI report, 2 (two) copies each of Design & Drawings of each Bridge to be submitted for approval and 8 (eight) copics after approval of competent authority.

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 comp g actin 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. (A) By Mix in Place Method ii) For Grading II Material

Water Bound Macadam Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing packing, rolling 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 and compacting to the required density grading 2 as per Technical Specification Clause 405 WBM Grading 2 A By Manual Means

Water Bound Macadam Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 1 as per Technical Specification Clause 404. WBM Grading 3 A By Manual Means

Providing and applying primer coat with bitumen emulsion (SS-1) on repared surface of granular base including cleaning 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 (i) Low Prosity

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 dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen 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. Case - I: By Manual Means i) Bitumen (S-90

Seal Coat : Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510

RCC Guard Post: 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. (a) 30 cm dia. RCC guard post with reinforcement of 6nos. 12mm dia TMT main steel bars and 6mm TMT/ MS stirrups at 15cm c/c.

Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes and conforming to the MoSrt&H specifications

Providing reflective pavement marker with Micro prismatic lens in bothdirection having thermoplastic body adhering to the specification and guidelines of MoSRT&H’s fixed to the road surface using the adhesives and the procedures recommended by the manufacturers with three months replacement warranty and free maintenance.

Providing ‘Sparkle Solar Road Studs, manufactured by Tata B.P. Solar India Ltd. Of size (125mm x 125mm), 90mm height (from bottom of shank to the top of stud) with detachable battery, m6LEDs-three on each side for Bi-directional studs/ 3 LEDs on one side for unidirectional studs, ultra bright LED in amber and red colour, weight per stud 700+25 gms, flash rate of 50-65 times per minute completely water resistant and weather proof with replacement warranty and free maintenance fro one year from the date of installation of stud on road-(installation should be made using adhesives and procedures recommended by manufacturer under the supervision of their competent technician).

Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703 ii) Ordinary Kilometer Stone (Precast)

Providing & fixing retro – reflectorised cautionary, mandatory and informatory sign as per IRC:67 made encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm 6 mm firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and technical specification Clause 801. i) 900mm equilateral triangle

Providing & fixing retro – reflectorised cautionary, mandatory and informatory sign as per IRC:67 made encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm 6 mm firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and technical specification Clause 801. iii) 600mm circular

Planting of Trees and their Maintenance for three Year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trenches, watering , fixing the tree guatrd and maintaining the plants for three year.

RCC Retaining Wall Work Excavation for Structures Earthwork in excavation for foundation of structures upto 3 m depth as per drawing and technical specification Clause 1104 includding setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 A) With crushed Stone II)P.C.C grade M 15 Nominal mix (1:2.5:5)

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 A) With crushed Stone iv) RCC Grade M 25 i) For height upto 5 m

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

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 ii) Sandy material

Arabinda Nath

MS G L Agarwalla