Const. of RCC Foot Bridge over River Gaurang on Mashpara to Hekaipara road at Masuaghat, Kokrajhar under BTC for the financial year 2019-20. Package No. TN No.77_01

Amount

PART A - FOUNDATION: 12.1 Excavation for structure: Earthwork in excavation of foundation of structure 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 back filling approved material. i) In Ordinary soil. A. Manual means (ii) With dewatering (i) depth upto 3.0m

17.58 Providing and construction of Temporary Island 16m diameter for construction of well foundation complete as per technical specification. (a) For 6m dia. Well (i) Depth of water above 1.0m upto 2.00m

12.9C Providing and constructing one span service road to reach island location from one pier location to another pier location.

12.10 Providing and laying cutting edge of mild steel weighing 40 kg per metre for well foundation complete as per drawing and technical specification.

12.11 Plain/ reinforced cement concrete in well foundation complete as per drawing and as per clause 1200, 1500 & 1700 of MoRTH specifications. A. Well Curb (ii) M-25 grade, Case-I: Using concrete mixer.

12.11 Plain/ reinforced cement concrete in well foundation complete as per drawing and as per clause 1200, 1500 & 1700 of MoRTH specifications. B. Well steining (v) RCC M-25 grade, Case-I: Using concrete mixer.

12.11 Plain/ reinforced cement concrete in well foundation complete as per drawing and as per clause 1200, 1500 & 1700 of MoRTH specifications. C. Bottoom Plug, Concrete to be placed using tremie pipe (i) PCC grade M-20 Case-I Using concrete mixer.

12.11 Plain/ reinforced cement concrete in well foundation complete as per drawing and as per clause 1200, 1500 & 1700 of MoRTH specifications. E. Top Plug, PCC grade M-15, Case-I Using concrete mixer.

12.11 Plain/ reinforced cement concrete in well foundation complete as per drawing and as per clause 1200, 1500 & 1700 of MoRTH specifications. F. Well Cap, (ii) RCC M-25 grade, Case-I Using concrete mixer.

12.12: Sinking of 6m external diameter well (other then 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 specification Depth of sinking is reckoned from bed level. (A) Sandy Soil (i) Depth below bed level upto 3.0M

12.12: Sinking of 6m external diameter well (other then 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 specification Depth of sinking is reckoned from bed level. (A) Sandy Soil (ii) Beyond 3.0m upto 10.0m

12.12: Sinking of 6m external diameter well (other then 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 specification Depth of sinking is reckoned from bed level. (A) Sandy Soil (iii) Additional Depth beyond 10m upto 20m

12.21 Sand filling in wells complete as per drawing and technical specifications

12.40: Reinforced in Foundation: Supplying, fitting and placing TMT IS:1786 Fe500 D bar reinforcement in foundation complete as per drawing and technical specifications (b) TMT-IS1786 (Fe-500 D) Secondary Producer (ISI).

PART B - SUB-STRUCTURE: 13.5n: Plain/ Reinforced cement concrete in substructure complete as per drawing and technical specification and steel shuttering formwork F. RCC Grade M25 b. Height 5m to 10m Case I Using concrete Mixer

13.6: Supplyng, fitting and placing TMT IS:1786 (Fe 500) bar reinforcement in sub-structure complete as per drawing and technical specifications. (b) TMT-IS 1786 (Fe-500 D) Secondary Producer (ISI approved)

13.16: Supplying, fitting and fixing in position true to line and level POT-PTFE bearing consisting of a metal piston supported by a disc or unreinforced elastomer confined within a metal cylinder, sealing rings, dust seals, PTFE surface sliding against stainless steel matting surfaces, complete assembly to be of cast steel/ fabricated structural steel, metal and elastomer elements to be as per IRC:83 part-I & II respectively and parts conforming to BS:5400, section 9.1 & 9.2 and clause 2006 of MORTH & S Specification complete as per drawing and approved technical specification.

13.9 Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification (A) Granular Material.

PART C - SUPER-STRUCTURE: 14.14: Structural steel Built-Up-Girder (BUG) (Providing and launching Steel Truss of Structural steel BUG Super Structure including painting complete as per drawing and technical specifications under Section 1900 of MOST.)

14.1: Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification including steel shuttering formwork. (D) RCC Grade M35, Case: Using Concrete Mixture, (i) For Solid slab Superstructure (b) Height 5 to 10m.

14.2: Reinforced 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 (b) TMT-IS 1786 (Fe-500 D) Secondary Producer (ISI approved).

15.11: ANTISKID TILES, Providing Antiskid Tiles of approved quality size, shape not less than 8mm on floor, skirting over a cement mortar bed 15mm thick of 1:3 (1 cement : 3 coarse sand) approved make fix with Fix-A-Tile (Choksey/Sika/Pedelite/Rouf) white cement complete at all level as specified and ddirected. iii) Executive Range-2 (Sizes 600mm x 600mm and above) b) Deluxe-Rotto VC

8.1.35: Providing Pre Painted Galvalume Sheet Roofing (PPGL) at all levels including fitting and fixing self drilling, self tappin g screws complete (Roof trusses, purlins etc. to be measured and paid separately.) (a) TATA Blud scope/Dyna roof/ Durakolor/ Wonder Roof or equivalend as directed by the Department. (ii) 0.45 mm thick.

8.1.36: Providing Pre Painted Galvalume Sheet (PPGL) accessories (Ridges/Valley/Gutter/Flashing) at all levels including fitting and fixing self drilling , self tapping screws complete. TATA Blue scope/Dyna roof/Durakolor/Wonder Roof or equivalend as directed by the Department. (ii) 0.45 mm thick.

14.8: Prividing, fitting and fixing mild steel railing complete as per drawing and technical specification.

PAVEMENT WORK: 2.3(i)A: Clearing and grubbing road land including uprooting rank vegetation, grass, burshes,shurbs, sapling and trees of girth upto 300mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable materials to be used or auctioned, up to a lead of 1000m including removal and disposal of top organic soil not exceeding 150mm in thickness. (i) By Manual Means:- In area of light jungle.

3.16(a): Embankment Construction with Material Obtained from Borrow Pits (Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, greading to required slop and compacting to meet requirement of Tables 300-2 (including cost of testing of materials at site and laboratory as directed by the deptt.) (a) From Private Land

3.18(a): Construction of Subgrade and Earthen Shoulders (Construction of sub-grade and earthen shoulders with approved materials obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slop and compacted to meet requirement of Table 300.2 (a) (Including cost of testing of materials at site and laboratory as directed by the Department) (a) from Private land.

4.1 B(ii): By Mix in place in method (Contruction of granular Sub base by providing closse 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 vibratory roller to achive the desired density, complete as per clause 401 (Including cost of testing of materials at site and laboratory as directed by the Department) (ii) For grading-II material.

ROAD FURNITURES/MARKINGS: 8.4 (iv) Providing and erecting of Retro-Reflectorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2mm thick fixed on an angle iron of 25x25x4mm 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) (iv) 80cmm x 60cm rectangular.

17.30 (b) 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 upto 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 imn 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. 1.5 cm dia. RCC guard post with reinforcement of 4 nos. 12mm dia TMT main steel bars and 6mm TMT/ MS stirrups at 15cm c/c.

PROTECTION WORKS: 15.2: Boulder apron laid in wire crates (Providing and laying boulders apron laid in wire crates made with 4mm dia GI wire conforming to IS:280 null: 4826 in 100mm X 100mm mesh (weaved diagonally) including 10% extra for laps and joints laid with stone boulders weighing not less than 40Kg each.)

15.4.A: 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. A. Stone/Boulder

15.5: Providing and laying filter material underneath pitching in slopes as per drawing and technical specifications.

KEMENDRA KUMAR BRAHMA

Bakul Chandra Brahma