CRD/ 2024-25/01 Construction of earth filling and sand gravelling with 1 No. RCC Box Culvert from Bhola to Dimapur village road under Chirang Forest Division

Amount

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300mm, 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 1000m including removal and disposal of top organic soil not exceeding 150mm in thickness. (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 1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirement of a lead upto 1000m. i) Private land.

Const. 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. (II) For Grading II material

RCC Box Cell Bridge (size 2.00m x 2.00m) ( 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 botttom and back filling with approved materials. I. Ordinary soil

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

Plain cement concrete 1:3:6 nominal mixes in foundation with crushed stone aggregate 40mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.

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

Plain/ Reinforced cement concrete work in sub-structure complete as per drawing and technical specifications. III. RCC Grade M20 (i) Height upto 5m Slab (Bottom)

Providing and laying reinforced cement concrete in super-structures as per drawing and technical specifications. A. RCC Grade M20 (i) For solid slab super-structure (a) Height upto 5M

Construction of RCC railing of M25 grade, in cast-in-situ with running 20mm 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 2000mm as per drawing and technical specifications.

Supplying, fitting and placing of TMT bar reinforcement in sub-structure as per drawing and technical specifications.

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 complete as per drawing and technical specification.

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

Providing and laying curtain walls as per drawing and technical specifications stone masonry in cement mortar (1:3)

Providing, fitting & fixing of Display board with carrying charge

Sri Gilard Basumatary (BID ID -242640)

RABIN CHANDRA SARKAR (BID ID -243158)