Improvement of District Headquarters Township Roads at Tawang.

Amount

Dismantling of Flexible Pavements (Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately) By Manual Means (a) Bituminous courses

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes 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 (i) Grading- III a) Using Screening Crushable type such as Moorum or Gravel

(SH: Black Topping with DGBM & BC) Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means.

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom.

Dense Graded Bituminous Macadam (Providing and laying dense bituminous macadam with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 to 4.5% by weight of total mix of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH specification clause No. 507 complete in all respects.) (a) for Grading-I (40 mm nominal size)

Bituminous Concrete (Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 % of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 509 complete in all respects) (a) for Grading-II(10 mm nominal size)

i) Ordinary Soil A) Manual Means (i) upto 3m depth

Plain/Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications PCC Grade M15

(SH:- RRM Breast wall 3.00m height, 15.00m length) 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. i) Ordinary Soil A) Manual Means,up to 3m depth

(SH:- RRM Breast wall 3.00m height, 15.00m length) 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. ii) Ordinary Rock (not requiring blasting) A) Manual Means, up to 3m depth

(SH:- RRM Breast wall 3.00m height, 15.00m length) PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

(SH:- RRM Breast wall 3.00m height, 15.00m length) Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications. A) Random Rubble Masonry

(SH:- RRM Breast wall 3.00m height, 15.00m length) Back filling behind abutment, wing wall and return wall complete as per drawing and Technical Specification Granular material

(SH:- RRM Breast wall 3.00m height, 15.00m length) 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

(SH:- RRM Retaining wall 3.00m height, 50.10m length) 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. i) Ordinary Soil A) Manual Means,up to 3m depth

(SH:- RRM Retaining wall 3.00m height, 50.10m length) 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. ii) Ordinary Rock (not requiring blasting) A) Manual Means, up to 3m depth

(SH:- RRM Retaining wall 3.00m height, 50.10m length) PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

(SH:- RRM Retaining wall 3.00m height, 50.10m length) Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications. A) Random Rubble Masonry

(SH:- RRM Retaining wall 3.00m height, 50.10m length) Back filling behind abutment, wing wall and return wall complete as per drawing and Technical Specification Granular material

(SH:- RRM Retaining wall 3.00m height, 50.10m length) 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

(SH:- RRM Retaining wall 4.00m height & 40.00m length) 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. i) Ordinary Soil A) Manual Means,up to 3m depth

(SH:- RRM Retaining wall 4.00m height & 40.00m length) 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. ii) Ordinary Rock (not requiring blasting) A) Manual Means, up to 3m depth

(SH:- RRM Retaining wall 4.00m height & 40.00m length) PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

(SH:- RRM Retaining wall 4.00m height & 40.00m length) Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications. A) Random Rubble Masonry

(SH:- RRM Retaining wall 4.00m height & 40.00m length) Back filling behind abutment, wing wall and return wall complete as per drawing and Technical Specification 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 (SH:- RRM Retaining wall 4.00m height & 40.00m length) foce. Complete as per drawing and Technical Specifications

(SH:- RRM Retaining wall 6.00m height & 18.70m length) 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. i) Ordinary Soil A) Manual Means,up to 3m depth

(SH:- RRM Retaining wall 6.00m height & 18.70m length) 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. ii) Ordinary Rock (not requiring blasting) A) Manual Means, up to 3m depth

(SH:- RRM Retaining wall 6.00m height & 18.70m length) PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

(SH:- RRM Retaining wall 6.00m height & 18.70m length) Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications. A) Random Rubble Masonry

(SH:- RRM Retaining wall 6.00m height & 18.70m length) Back filling behind abutment, wing wall and return wall complete as per drawing and Technical Specification Granular material

(SH:- RRM Retaining wall 6.00m height & 18.70m length) 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

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