Upgradation of road from NH-2 to Maram Union Office.

Amount

SH: GSB, WBM - l, WBM - ll & PC

Providing laying and compacting Granular Base/Sub base with naturally occuring Sand Gravel Material free from organic or other deleterious constituents spreading with Motor Grader and compacted by rolling with power roller of 8-10 capacity in layers not exceeding 150mm (spread thickness)

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/ vibratory roller in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density. By Manual Means

(a) Grading-I Using Screening Crushable type such as Moorum or Gravel

(b) Grading-II Using Screening Crushable type such as Moorum or Gravel

Close Graded Premix Surfacing/Mixed Seal Surfacing (Mechanical means using HMP of appropriate capacity not less than 75 tonnes/hour. Providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness composed of 11.2 mm to 0.09 mm (Type-b) aggregates using penetration grade bitumen to the 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 Smooth wheeled roller 8-10 tonne capacity, and finishing to required level and grade.) Type - A

SH:- Construction of RR Breast Wall 2.50m height.

Earth work in excavation of foundation of structures as per drawing and Technical Specifications i/c setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. (A) Mechanical means (a) Depth upto 3m

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

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

Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications (a) Random Rubble Masonry

Providing weep holes in brick masonry/ Plain/ Reinforced concrete abutment, wing wall/ return wall with 100 mm dia AC pipe, extending through the full wifth of the structure with slope of 1V:20H towards drawing face. Complete as per drawing and Technical specifications.

SH:- Construction of RCC pipe culvert 900 mm dia NP - 3.

Earth work in excavation of foundation of structures as per drawing and Technical Specifications i/c setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. (A) Mechanical means (a) Depth upto 3m

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

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

Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications (a) Random Rubble Masonry

Laying Reinforced Cement Concrete Pipe NP 4/ Prestressed concrete pipe on first class bedding in a single row. (Laying Reinforced cement concrete pipe NP4/ prestressed concrete pipe 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.) (a)NP-3 Pipe 1000 mm dia.

SH:- Construction of RR Drain.

Earth work in excavation of foundation of structures as per drawing and Technical Specifications i/c setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. (A) Mechanical means (a) Depth upto 3m

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

Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications (a) Random Rubble Masonry

Md. Abdul Kashim

K. Lamchao Pou