lmprovement of road from Rupa ADC Office to Chillipam (9.90km) West Kameng District.

Amount

SH :-Widening - 10.70 Km.

Excavation in Hill Area in Soil by Mechanical Means (Dipositing of excavated earth with all lifts and lead upto 1000 m). 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 (Disposal of cut material with all lift and lead upto 1000 m) Excavation in hilly area in ordinary rock not requiring blasting by mechanical means including cutting and trimming of slopes and disposal of cut material with all lift and lead upto 1000 metres.

SH :-GSB, Grading - I

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) By Mix in Place Method Construction of granular sub-base by providing close 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 By Mechanical Means Grading-I Material

SH :-WBM II & III

Water Bound Macadam 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 3 wheeled steel/ 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 Mechanical Means. Using Screening crushable type such as Moorum or Gravel

Grading-II

Grading-III

SH :-Black topping - 10.70 Km.

Prime Coat - 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.

Tack Coat - 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.

Open - Graded Premix Surfacing (Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or cut-back or emulsion to 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, finished to required level and grades.) Case - II: Open-Graded Premix Surfacing using cationic Bitumen Emulsion

Seal Coat (Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A and B seal coats) Case - I : Type A

SH :- Earthen Shoulder

Construction of Subgrade and Earthen Shoulders (Construction of sub-grade 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)

SH :-RCC Slab culvert 1.50 Mtr span - 4 Nos. & 2.00 Mtr Span - 1 No.

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)

i) Ordinary Soil

ii) Ordinary Rock (not requiring blasting)

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

Stone Masonry Work in Cement Mortar 1:3 in Foundation complete as per Drawing and Technical Specifications. a) Square Rubble Coursed Rubble Masonry (first sort)

Plain/Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications. RCC Grade M20 Using Concrete Mixer

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

Furnishing and Placing Reinforced/ Prestressed cement concrete in super-structure as per drawing and Technical Specification. a) RCC Grade M25 Using Concrete Mixer

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 foce. Complete as per drawing and Technical Specifications

SH :-Retaining wall 3.00 Mtr height - 75.00 Mtr & Breast wall 3.00 Mtr height - 20.00 Mtr

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 Depth up to 3 Mtr

i) Ordinary Soil

ii) Ordinary Rock (not requiring blasting)

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 PCC Grade M15

Supplying, fitting and placing HYSD bar reinforcement in super-structure 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

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 :-CC Drain - 7635.00 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 and backfilling with approved material.) 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 sub-structure complete as per drawing and Technical Specifications. RCC Grade M20 Using Concrete Mixer

Plastering with cement mortar (1:3 ) on brick work in sub-structure as per Technical Specifications

Tenzing Construction (BID ID -6963)