Improvement of District Headquarters Township Roads at Daporijo (CMCSRDP-II).

Amount

(Embankment)

Embankment Construction with Material Obtained from Borrow Pits (Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2)

Granular Sub-Base with Coarse Graded Materials (Table-2) (Construction of granular sub-base by providing coarse graded materials spreading in iniform layers with motor graded on prepared surface, mixing by 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 Materials

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.)

A By Manual Means

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

b)Using Screening Type-B (11.2mm Agg.)

(CC 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.)

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.

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

(Interlocking CC Paver Block)

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.

Providing and Laying 80mm thick factory made cement concrete interlocking paver block of M 30 grade made by block making machine with strong vibratory compaction of approved size, design & shape, laid in equired colour and pattern over and including 30mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per direction of engineer in charge

Providing and laying cement concrete 1 : 1.5 : 3 (1 cement : 1.50 coarse sand : 3 stone aggregate 20 mm nominal size) excluding the cost of centring and shuttering in :

a) Foundations and plinth

Centring and shuttering including strutting proping etc. and removal of form work for: a) Foundations and plinth.

(Slab Culvert (1.5 Mtr Span))

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 and backfilling with approved material (without de-watering)

Ordinary soil

Manual Means

upto 3 m depth

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.)

Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications. B) Coursed rubble masonry (first sort )

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification

RCC Grade M20

Using Concrete Mixer

For solid slab super-structure, 20-30% of (a+b+c)

Height upto 5m

Supplying, fitting and placing HYSD bar reinforcement in super-structure 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 :20H towards drawing foce. Complete as per drawing and Technical specifications

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

Granular material

(Slab Culvert (2.0 Mtr Span))

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 and backfilling with approved material (without de-watering)

Ordinary soil

Manual Means

upto 3 m depth

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.)

Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications. B) Coursed rubble masonry (first sort )

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification

RCC Grade M20

Using Concrete Mixer

For solid slab super-structure, 20-30% of (a+b+c)

Height upto 5m

Supplying, fitting and placing HYSD bar reinforcement in super-structure 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 :20H towards drawing foce. Complete as per drawing and Technical specifications

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

Granular material

(Slab Culvert (3.0 Mtr Span))

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 and backfilling with approved material (without de-watering)

Ordinary soil

Manual Means

upto 3 m depth

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.)

Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications. B) Coursed rubble masonry (first sort )

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification

RCC Grade M20

Using Concrete Mixer

For solid slab super-structure, 20-30% of (a+b+c)

Height upto 5m

Supplying, fitting and placing HYSD bar reinforcement in super-structure 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 :20H towards drawing foce. Complete as per drawing and Technical specifications

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

Granular material

(RCC Drain)

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 Manual Means

(i) upto 3 m depth

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 Open Foundation complete as per Drawing and Technical Specifications.

RCC Grade M25

Case I Using concrete mixer.

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

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

a) Supplying, fitting and placing HYSD bar reinforcement in super-structure complete as per drawing and technical specifications

Pastering with cement motor 1:3 (1: cement : 3 find sand)

(Retaining Wall)

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 and backfilling with approved material.)

Ordinary soil

Manual Means

upto 3 m depth

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.)

Stone masonry work in cement mortar 1:3 in foundation complete as drawing and Technical Specification

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 width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical Specifications

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

Sandy material

(SH : Improvement/Maintenance of Road Shoulders)

Construction of Subgrade and Earthen Shoulders (Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2)

Granular Sub-Base with Coarse Graded Materials (Table-2) (Construction of granular sub-base by providing coarse graded materials spreading in iniform layers with motor graded on prepared surface, mixing by 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 Materials

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. )

M/s Puna Hinda (BID ID -7373)