Improvement of Township Road at CO, HQ at Yatdam and CO, HQ at Kantang

Amount

SH: Formation Cutting (Yatdam)

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 metres)

Excavation in Hilly Area in Ordinary Rock by Mechanical Means not Requiring Blasting. (Excavation 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 metres )

Deduct for quantum of earthwork of all types disposal directly by throwing into the valley without involving any lead and lift (Ordinary and Hard Soil/Hard Shale, Soil containing shingle or small size boulders.

Deduct for quantum of earthwork of all types disposal directly by throwing into the valley without involving any lead and lift. (Ordinary and Hard Rock)

SH:- CC Pavement single lane (Yatdam)

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.)

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.

Granular Sub-Base with Coarse Graded Material ( Table:- 400- 2) (Construction of granular sub-base by providing coarse 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 vibratory roller to achieve the desired density, complete as per clause 401)

for grading- I Material

Dry Lean Cement Concrete Sub- base (Construction of dry lean cement concrete Sub- base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/ cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing.)

Cement Concrete Pavement (Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with 43 grade cement @ 400 kg per cum, coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, 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, transported 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 filler, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades as per drawing. )

[ SH : RCC Drain ] (Yatdam)

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 metres)

Plain/Reinforced cement concrete in open foundation complete as perdrawing and technical specifications A) PCC Grade M15

Reinforcement of RCC work including bending, binding and placing in position complete. b) Tar/ TMT steel

Centring and shuttering including strutting, propping etc and removal of form work for :

a) Foundation & Plinth

b) Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc.

SH:- RR Retaining Wall 2 mtr. Height ( Yatdam)

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

Mechanical means

Depth upto 3 Mtr

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

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification

A) Granualar material

12mm Cement plaster 1:4 ( 1 Cement :4 Fine Sand )

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: RCC wall- 3.00 Mt Ht,(Yatdam)

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.

I) Ordinary soil

A) Mechanical Means (Depth upto 3 m)

Providing and laying in foundations and plinth cement concrete 1 : 4 : 8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size) excluding the cost of centring and shuttering.

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications

B) PCC Grade M20

(p) Height upto 5m

Centring and shuttering including strutting, propping etc and removal of form work for :

b) Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc.

Reinforcement of RCC work including bending, binding and placing in position complete. b) Tar/TMT steel

[ SH : Box Culvert 2 x 2 M Span at Yatdam CO Hq. ]

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.) (i) Ordinary soil B) Mechanical Means (Depth upto 3 m)

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.)

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications E) RCC Grade M20 (p) Height upto 5m Case I Using concrete Mixer

Furnishing and Placing Reinforced / Prestressed cement concrete in super-structure as per drawing and Technical Specification A) RCC Grade M20 Case I Using Concrete Mixer (i) For solid slab super-structure, 20-30% of (a+b+c) (p) Height upto 5m

Supplying, fitting and placing HYSD bar reinforcement in substructure complete as per drawing and technical specifications.

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 : 20 H towards drawing foce. Complete as per drawing and Technical specifications.

[ SH : Improvement of Township Road at CO HQ at Kantang ]

A. Formation Cutting.

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 metres)

B. Cement Concrete Pavement.

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.)

Granular Sub-base with Close Graded Material (Table:- 400-1) A) Plant Mix Method (Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401 ) (iii) for grading-III Material

Dry Lean Cement Concrete Sub - base (Construction of dry lean cement concrete Sub- base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/ cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing.)

Cement Concrete Pavement Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with 43 grade cement @ 400 kg per cum, coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mix design, transported 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 filler, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades as per drawing.

C. Box Culvert 2 x 2 M Span - 4 Nos.

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.) (i) Ordinary soil B) Mechanical Means (Depth upto 3 m)

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.)

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications E) RCC Grade M20 (p) Height upto 5m Case I Using concrete Mixer

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification. A) RCC Grade M20 Case I Using Concrete Mixer (i) For solid slab super-structure, 20-30% of (a+b+c) (p) Height upto 5m

Supplying, fitting and placing HYSD bar reinforcement in substructure complete as per drawing and technical specifications.

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 : 20 H towards drawing foce. Complete as per drawing and Technical specifications.

D. RCC Drain - 500 Mtr

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.) (i) Ordinary soil B) Mechanical Means (Depth upto 3 m)

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.)

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications E) RCC Grade M20 (p) Height upto 5m Case I Using concrete Mixer

Supplying, fitting and placing HYSD bar reinforcement in substructure complete as per drawing and technical specifications.

MAITUNG TIKHKA (BID ID -6889)