Improvement of Jengging Township road Upper Siang District

Amount

SH: Widening-949.80 Mtrs

Excavation in Hill Area in Soil by Mechanical Means. (Excavation in soil in hilly area by mechanical means including cutting and trimming of side slopes and disposing of excavated earth with all lifts and lead upto 1000 meters).

Excavation in Hill Area in Ordinary Rock by Mechanical Means no Requiring Blasting. (Excavation in soil in hilly area in ordinary rock not requiring ballasting by mechanical means including cutting and trimming of slopes and disposal of cut material with all lift and lead upto 1000 meters).

SH: GSB - 1163.40 Mtrs

(A) Preparation of sub grade ( Preparation of sub grade by excavating earth to an average depth of 22.50 cm, dressing to camber and consolidating with road roller, making good the undulations etc. and disposal of surplus earth, lead upto 50 m.)

(B) Consolidation of sub grade with road roller of 8 to 12 tonne capacity including making good the undulations etc. with earth or quarry spoils etc. and rerolling the sub grade.

Plant Mix Method (Construction of granular sub base by provided close graded material,mixing in a mechanical mix plant at OMC,carriage of mixed material to work site,spreading in uniform layers with motor grade on prepared surface and compacting with vibratory power roller to achive the desire density complete as per clause 401) a. For Grading I Material

SH: DLC - 1165.00 Mtrs

Dry LeanCement Concrete Sub-base Construction of dry lean cement concrete subbase over a prepared sub grade with coarse and fine aggregate conforming to IS 383,the size of coarse aggregate not exceeding 25mm agggregate cement ratio not to exceed 15:1,aggregate gradation after blend.

SH: PQC - 1385.00 Mtrs

Cement Concrete Pavement Construction of unreinforced ,dowel jointed,plain cement concrete pavement over a prepared subbase with 43 grade cement @400 Kg per cum,coarse and fine aggregate conforming to IS 383 maximum size of coarse aggregate not exceeding 25mm,mixed in a batching and mixing plant as per approved mix design, for M40 Grade having minimum 28 days flexural strength of 4.5 Mpa, using approved admixtures, transport to site laid with a fixed form or slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filter, seperation memberane, sealant primer, joint sealent debonding strip dowel bar, the rod, admixtures as approved curing compound, finishing to lines and grades as per drawing.

SH: Retaining Wall 3.00 Mtr Height

Excavation for structures ( Earth work in excavation of foundation of structures as per drawing and technically specification, including setting out, construction of shoing and bracing, removal of stumps and other deletenious matter, dressing of sides and bottom and backfilling with approved material) Ordinary Soil Manual means(3mtr to 6mtr)

PCC 1:3:6 in foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crusged stone aggregate 40mm nominal size mechanically mixed, placed 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. Random Rubble Masonry

Providing and laying of Filter media with stone boulder to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment, wing wall and return wall to the full height compacted to a firm condition complete as per drawing and Technical Specification.

Providing weep holes in Brick masonary/Plain/ Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC Pipe, extending through the full width of the structure with slope of 1V:20H towards drawing foce. Complete as per drawing and Technical specifications.

SH: Culvert - 150m Span

Excavation for Structures 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, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work. A Manual Means (i) I Ordinary soil

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

Stone Masonry Work in Cement Mortar 1:3 in Foundation complete as per Drawing and Technical Specifications. RRM

Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. PCC Grade M15

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

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

Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. RCC Grade M20

Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and Technical Specifications.

M/s CNN Enterprises (BID ID -6754)

Er. Miss Purnima Nangkar (BID ID -6734)