TN No.21_07

Amount

Road Works: Construction of Embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 (l) Private Land. Quantity as per Statement Rate as per SOR Rural roads- 2020-21.

Construction of Sub grade and Earthen shoulder with approved materials 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 with a lead upto 1000 m as per Technical Specification clause 303.1 (i) Private Land. Quantity as per Statement, Rate as per SOR Rural roads- 2020-21.

Construction of granular sub-base by providing well 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 smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. A) By Mix in Place Method ii) For Grading Il Material, Quantity as per Statement. Rate as per Analysis -l

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, handpacking, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (A) By Manual Means Qnty as per statement-I Rate as per Analysis.-l WBM Grading-II

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 KN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (A) By Mannual Means. Quantity as per Abstract of Quantity. Rate as per Analysis - l WBM Grading - III

Providing and applying primer coat with bitumen emulsion (CSS-I) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate o 0.90-1.2 kg/sqm using mechanical means as per Technical specification Clause 502. (ii) Medium Porosity. Quantity as per Quantity Statement - I Rate as per SOR Rural Roads -2020-2021.

Providing and applying tack coat with Bitumen emulsion (RS-I) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503. Quantity as per Quantity Statement - I Rate as per SOR Rural Roads -2017-2018.

20 mm thick Open Graded Premix Carpet using Bitumen (penetration grade/modified bitumen) Binder Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen 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 three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508.2. Case - I By manual Means. (i) Bitumen S-90 Quantity as per Quantity Statement - I Rate as per Analysis - l

Providing and laying seal coat sealing the voids in bituminous surface laid to the specified levels, grade an cross fall using Type A, Type B and Type C as per Technical Specification Clause 510 A By Manual Means Case - I : Type A ( 11.2mm to 2.36mm) (i) Bitumen (S-90). Quantity as per Quantity Statement - I Rate as per Analysis - I

Providing and erecting direction and place identification retro-reflectorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3, fixed over aluminium sheeting, 2 mm thick with area exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 x 450 x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 1701. Rate as per SOR Rural roads- 2020-21. Qnty= 1 x 1.5 x 1.2 = 1.80 sqm

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical Specification. (A) TMT-IS 1786 (Fe- 500D) Primary Producer (i) 2.0 x 0.30 x (8.45-(2x0.35))x3.50=16.275 cum

PCC M15 Grade levelling course below approach slab complete as per drawing and technical specification. 2.0x0.10x(8.45-(2x0.30))x3.50=5058 cum

RCC Bridge Approach Protection Work & River Protection work Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 (a) from private Up Stream Left Side Up Stream Right Side Down Stream Left Side Down Steam Right Side

Providing and laying of boulder apron laid in crates with 4 mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301.(Rate as per analysis) Up Stream Left Side Up Stream Right Side Down Stream Left Side Down Stream Right Side

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302. 1. Stone/Boulder (Including toe protection)(Rate as per analysis) Up Stream Left Side Up Stream Right Side Down Stream Left Side Down Stream Right Side

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302. (Rate as per analysis) Up Sfream Left Side Up Sfream Right Side Down Sfream Left Side Down Sfream Right Side

BIRGLANG WARY