RIDF-XXVII/Baksa/08 Construction of RCC Br. No. 2/1 over Tihu on Swahid Suman Swargiary road under RIDF-XXVII of NABARD for the year 2021-22

Amount

Dismentling : Labour for dismantling all members of timber bridge (except pile) and stacking them at suitable paces (all members will be under custody of the contractor till taken over by the department).

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 the excavated earth to the extent required and utilising the remaining locally for road work as per technical specification as per MORT&H Clause No. 304. A) Ordinary soil (I) Mechanical Means. i) upto 3 m depth

Providing and constructing temporary island 16m diameter for construction of well foundation above 3m dia. well. Assuming depth of water 4.0 m and height of island to be 4.50m

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

Providing and laying cutting edge of mild steel weighing 40 kg per metre for well foundation complete as per drawing and technical specification as per clause 1200 & 1900 of MORT&H specification. A. Well Curb I) RCC M-25 grade Casi-I using concrete mixture.

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. A. Well curb l) RCC M-25 grade Case-I : Using concrete mixture.

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. B. Well steining l) RCC M-25 grade Case-I : Using concrete mixture.

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. C. Bottom Plug l) RCC M-25 grade Case-I : Using concrete mixture.

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. D. Intermediate Plug l) RCC M-25 grade Case-I : Using concrete mixture.

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including st eel shuttering formwork. E. Top Plug l) RCC M-25 grade Case-I : Using concrete mixture.

Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. F. Well Cap l) RCC M-25 grade Case-I : Using concrete mixture.

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. Depth below bed level upto 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. Beyond 3.0m upto 10m

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. Beyond 10.0 m to 20.0 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. Additional depth beyond 20m upto 30.0m

Sand filling in wells complete as per drawing and technical specifications as per MORT&H 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 sub structure complete as per drawing and technical specification and steel shuttering formwork. E. RCC M25 Height upto 10m 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 tonne 78525.00 (TATA/ SAIL/ Esser Steel/ Jindal Panther steel/ Shyam steel or equivalent)

Supplying, fitting and fixing in position true to line and level cast steel rocker bearing conforming to IRC: 83(Pt.-1) section IX and clause 2003 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

Supplying, fitting and fixing in position true to line and level forged steel roller bearing conforming to IRC: 83(Pt.-1) section IX and clause 2003 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications

Furnishing and Placing Reinforced/Prestressed cement concrete in superstructure as per drawing and Technical Specification’ including steel shuttering formwork. I Without Plasticiser RCC/PSC Grade M35 Case 1 Using concrete mixer. Height 5m to 10m

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)

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 M-30 grade including reinforcement complete as per drawing and Technical Specifications

Construction of precast RCC railing of M30 Grade, aggregate size not exceeding 12 mm, 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

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical specification (a) TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser

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).

Carrying out Sub Soil investigation (SSI) for all type of soil (except boring in rock) upto depthof 30 m or refusal (N=100) for each foundation location as per IRC 78-2014 and submission of SSI report to the Engineer in charge for approval . Preparation & submission of Design calculation & Drawings of foundation , sub structure,Super structure as relevant IRC Codes and SSI Report , 2( two) each of Design& Drawing of each bridge to be submitted for approval and 8 ( eight)copies after approval of competent authority. including providing and erecting informatory sign board as per norms of NABARD

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable materials to beused or auctioned up to lead of 1000metres including removal and disposal of top organic soil not exceeding 150mm thickness. A) By Manual Means:- a) In area of light jungle

Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirment of table 300-2 ( Including cost of testing of materials at site and laboratory as directed by the deptt.)

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table (300-2) (a), ( Including cost of testing of materials at site and laboratory as directed by the deptt.) '(a) from private land / '(b) from Govt land

By Mix in Place Mehod : 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 rotovator at OMC and compacting with smooth wheel roller to achieve the desired density,complete as per cl. 401( Including cost of testing of materials at site and laboratory as directed by the deptt.) (With all leads and lift upto the worksite). A) 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 vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density ( Including cost of testing of materials at site and laboratory as directed by the deptt.) (With all leads and lift upto the worksite). A) By Mechanical Means: a) 'Grading- III i) Using Screening Type-B (11.2mm Agg.)

Providing and laying Interlocking Concrete Block Pavement (ICBP) conforming to IS:15658-2006 including all lead and lift complete as per technical specification and as directed. A) 80mm thick interlocking precast blocks having compressive strength of 40N/sq.mm.(With all leads and lift upto the worksite).

Direction and place identification sign more than 0.9sqm size board. Providing and erecting direction and place identification retro-Reflectrorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide clause 801.3 fixed over aluminium sheeting, 2mm thick with area exceeding 0.9sqm fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm, 2 nos. firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. . ( All the Steel work must be Tata/Sail/or any other approved brand)

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 one year.

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 25 Kg eac as prer drawing and technival specification clause 1301..)

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification clause 1302.

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 clause 1302. A) Stone/Boulder

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.

JAGADISH BARUAH

UNICON PROJECTS PVT. LTD.

Competent Infrastructure and consulting(CICON) Pvt.Ltd

ANUPAM NIRMAN PVT. LTD.