Construction of Roads in Bourai Tea Garden Area...

Amount

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. B. In area of thorny jungle.

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1. (I) From Private land.

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. (ii) Grading II Materials.

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 80-100 KN static roller in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the inerstices of coarse aggregate, watering and compacting to required density Grading 3 as per Technical Specification clouse 405. A. By Manual Means

Providing and laying of Interlocking Concrete Block Pavement having thickness 80mm as per Technical specification Clause 1504.

Reinforcement cement concrete M15 grade for Kilometer stone/local stone of standard design as per IRC:8 as per technical specification of Cl 1703. (I) Ordinary Kilometer stone.

Providing and fixing of retro-reflectorised cautionary mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting 600 mm below ground level as per drawing and design (all the steel work must be TATA/Sail). (i) 60 cm equilateral triangle

(ii) 60cm x 45cm rectangle

Earth work in excavation of foundation of structures as per drawing and technical specifications clause 305.1 including setting out,construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m dressing of side. Ordinary Soil. A. Manual Means (Without dewatering) (I) Upto 3.0m depth.

Plain cement concrete M10 (1:3:6 nominal mix) in leveling course below open foundation of head wall as per drawing and technical specification Cl. 1109. Levelling Course

Bedding of Pipe Laying (First class) bedding on well compactad sand, moorum or approved granular material as per clause 1105 (ii) Type B (First Class) Bedding. Granular Material.

Providing & Laying Reinforced Cement Concrete Pipe NP3 for culverts on first class bedding of Granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonary works in head walls and parapets Clause 1106. 600 mm dia.

Brick masonary work in Cement mortar 1:3 in foundation head walls complete excluding pointing and plastering as per drawing and technical specification cl. 1109. In 1:4 Cement mortar.

Plastering with cement mortar (1:4), 15mm thick on brick work in sub-structure as per Technical specification.

Construction of Bourai Bagan Ting Line Road... Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. B. In area of thorny jungle.

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1. (I) From Private land.

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. (ii) Grading II Materials.

Water Bound Macadam Gr-III 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 80-100 KN static roller in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the inerstices of coarse aggregate, watering and compacting to required density Grading 3 as per Technical Specification Clause 405. A. By Manual Means.

Providing and laying of Interlocking Concrete Block Pavement having thickness 80mm as per Technical specification Clause 1504.

Reinforcement cement concrete M15 grade for Kilometer stone/local stone of standard design as per IRC:8 as per technical specification of Cl. 1703. (I) Ordinary Kilometer stone.

Providing and fixing of retro-reflectorised cautionary mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting 600 mm below ground level as per drawig and sign (all the steel work must be TATA/Sail). (i) 60 cm equilateral triangle.

(ii) 60cm x 45cm rectangle

1000mm dia culvert... Earthwork in excavation for foundation of structures upto 3 m depth as per drawing and technical.... stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.

Plain Cement Concrete M10 (1:3:6 nominal mix) in levelling course below open foundation of Head walls as per drawings & Technical Specification Clause 1109.

Bedding for pipe (ii) Type B (First Class) Bedding Laying (First Class) bedding on well compacted sand moorum as per Clause 1105 (ii) (i) Sand Filling

Providing concrete for plain/reinforced concrete in open foundations complete as per drawing and technical specifications clause 802, 803, 1202 & 1203. (I) PCC grade M10 Nominal mix 1:3:6.

Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106. 1000 mm dia.

Providing and laying dry rubble flooring

600mm dia culvert... Earth work in excavation of foundation of structures as per drawing and technical specifications clause 305.1 including setting out,construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m dressing of side. Ordinary Soil A. Manual Means (Without dewatering) (I) Upto 3.0m depth.

Plain cement concrete M10 (1:3:6 nominal mix) in leveling course below open foundation of head wall as per drawing and technical specification Cl. 1109. Levelling Course

Bedding of Pipe Laying (First class) bedding on well compactad sand, moorum or approved granular material as per clause 1105 (ii) Type B (First Class) Bedding Granular Material

Providing & Laying Reinforced Cement Concrete Pipe NP3 for culverts on first class bedding of Granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonary works in head walls and parapets Clause 1106. 600 mm dia

Brick masonary work in Cement mortar 1:3 in foundation head walls complete excluding pointing and plastering as per drawing and technical specification cl 1109. In 1:4 Cement mortar

Plastering with cement mortar (1:4), 15mm thick on brick work in sub-structure as per Technical specification.

INDRAJIT DAS