CRD/ 2022-23/13 Construction of RCC drain with Slab Cover and RCC Box Culvert at Bikrampur village under Runikhata Range of Chirang Division

Amount

RCC Drain without Slab: Earth work in excavation by mechanical means (Hydraulic Excavator)/ manual means overs areas (Excavating 30cm in depth, 1.50m in width as well as 10 sqm in plan) including getting out and diposal of excavated earth lead upto 50m and lift upto 1.5m as directed. All kinds of soil

Dry brick on edge flooring in required pattern with bricks of class designation 7.5 on a bed of 12mm mud mortar, including filling joints with Jamuna sand, with common burnt clay non modular bricks.

Providing and laying in position cement concret of 1:1.5:3 excluding the cost for centering and shuttering. All work upto plinth level. 1 cement: 1.5 coarse sand: 3 graded stone aggregate 20mm nominal size derived from natural sources.

Steel reinforcement for RCC work including straithenting, cutting, bending, placing in position and binding all complete upto plinth level.

Reinforcement cement concrete work in walls (any thickness) including attached pilasters, buttresses, plinth and string course, fillets, columns, pillars ….. plinth level upto floor five level, excluding cost of centering, shuttering, finishing and reinforcement. 1Cement: 1.5 Coarse sand (Zone-III) derived from natural sources : 3 graded stone aggregate 20m nominal size derived from natural sources

Centering and shuttering including propping etc. and removal for walls (any thickness) including attached pilasters, buttresses, plinth and string course etc.

Providing fitting and fixing Information board at work site

RCC Drain with Slab Cover: Earth work in excavation by mechanical means (Hydraulic Excavator)/ manual means overs areas (Excavating 30cm in depth, 1.50m in width as well as 10 sqm in plan) including getting out and diposal of excavated earth lead upto 50m and lift upto 1.5m as directed. All kinds of soil

Dry brick on edge flooring in required pattern with bricks of class designation 7.5 on a bed of 12mm mud mortar, including filling joints with Jamuna sand, with common burnt clay non modular bricks.

Providing and laying in position cement concret of 1:1.5:3 excluding the cost for centering and shuttering. All work upto plinth level. 1 cement: 1.5 coarse sand: 3 graded stone aggregate 20mm nominal size derived from natural sources.

Steel reinforcement for RCC work including straithenting, cutting, bending, placing in position and binding all complete upto plinth level.

Reinforcement cement concrete work in walls (any thickness) including attached pilasters, buttresses, plinth and string course, fillets, columns, pillars ….. plinth level upto floor five level, excluding cost of centering, shuttering, finishing and reinforcement. 1Cement: 1.5 Coarse sand (Zone-III) derived from natural sources : 3 graded stone aggregate 20m nominal size derived from natural sources

Centering and shuttering including propping etc. and removal for walls (any thickness) including attached pilasters, buttresses, plinth and string course etc.

Suspended floors, roofs, landings, balconies and access platform.

Const. of HP Culvert: Earth work in excavation of foundation of structure as per drawing and technical specification including setting out, construction of shoring & bracing, removal of stumps and other deleterious matter dressing of sides and bottom & back filling with approvable materials. Manual means (Without dewatering)

PCC 1:3:6 in foundation (Plain cement concrete 1:3:6 crushed with stone aggregate 40mm nominal size mechanically mixed place in foundation and compacted by vibration including curing for 14 days. PCC Grade M15.

Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling concrete and masonry works in head walls and parapets clause 1106. (1000mm dia).

Brick masonry work in 1:3 in sub-structure complete pointing and plastering as drawing & technical specification.

Plastering with cement mortar (1:4) 15mm thick on the brick work in sub-structure as per technical specification.

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5m transporting to site, spreading, grading to required slope and compacting to meet requirement of a lead upto 1000m.

RCC Box Culvert 1x1=1 Cell : Earthwork in excavation of foundation of structure as per drawing and 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 materials. I. Ordinary soil A) Manual means (without dewatering) i) Depth upto 3.00M

Sand filling in foundation trenches as per drawing and technical specifications.

Plain/ Reinforced cement concrete work in open foundation as per drawing and technical specifications. (A) PCC Grade M-15

Plain/ Reinforced cement concrete work in sub-structure complete as per drawing and technical specification. (II) RCC Grade M20 (a) Height upto 5M Case I: Concrete mixer

Supplying, fitting and placing of TMT bar reinforcement in sub-structure as per drawing and technical specifications. C) With other make ISI marked TMT re bar.

Providing and laying reinforced cement concrete in super-structure as per drawing and technical specification. A. RCC Grade M20

Providing and laying cement concrete wearing coat M30 grade including reinforcement complete as per drawing and technical specification.

Providing weep holes in brick masonry/plain/reinforced concrete abutment, wing wall/ return wall with 100mm dia AC pipe through the full width of structure with slope 1V:20H towards drawing force complee as per drawing and technical specification.

Back filling behind abutment, wing wall, and return wall as per drawing and technical specification. II) Sandy materials

Earth work in rough excavation, baking excavated earth in layer not exceeding 20cm in depth, breaking clods, watering, rolling each layer with 1/2 tonne roller or wooden or steel rammers and rolling every 3rd and top most layer with power roller minimum 8 tonne and dressing up in embankments for roads, flood banks, marginal banks and guide banks or filling up ground depression, lead upto 50m and lift upto 1.50 m. All kinds of soil

SRI MITHINGA NARZARY