Extension of Approach Road at New Sangbar Village (2nd Phase) under Pradhan Mantri Khanij Kshetra Kalyan Yojana (PMKKKY) for the year 2024-25

Amount

Earthwork, Erosion Control and Drainage Construction of Subgrade & Earthen shoulders Construction of Subgrade and earthen shoulders with approved material of obtained from borrow pits with all lifts and leads, transportating 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). Govt. land

Surface drain in soil Construction of unlined surface drain of average cross - section area 0.40 sqm. in soil to specified lines, grades, levels and dimensions. Excavated material to be used in embankment with a lift up to 3m and lead of 50m (average lead 25m) as per technical specification clause 307. A. Manual means.

Granular Su-Bases, Bases (Non-Bitumonous) and Shouldres Gravel/Soil - Aggregate Base (Table 400.2) Grading B Construction of Granular Sub - Base (GSB) by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotabator at OMC, and copacting with three wheel 80 - 100 KN static roller capacity to achieve the desired density, complete as per technical specification clause - 402.

3). WBM Grading 3. Using stone screening Type - B 11.2 mm for Gr - IIProviding, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80 - 100 KN stetic 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 specification clause 405. (A). By Manual Means

A. (i). Inter locking concrete Block pavement Providing and laying interlocking concrete block pavement with M40 grade grade of concreteblocks having thickness 80mm as per technical specification clause 1504 complete including carriage.

Construction of 1000 mm dia. HP Culvert 1. Bethel to Bethesta road. 2. Bethesda Playground. 3. Ramthar Bung - I

Excavation for structures Earthwork in excavation for foundation of structures upto 3 m depth as per drawing and technical specifications clause 1104 including setting out, construction of shoring and bracing, removal of stumps and other deleterious matterial, dressing of sides and bottom and backfilling with approved material.

Plain cement concrete M10 (1:3:6 nominalmix) in levelling course below open foundation of Head walls as per drawing & technical specification clause 1109.

Bedding of pipe (B). (i). Type B (First class) Bedding Laying concrete cradle bedding on well compacted sand, moorum as per clause 1105 (ii)

Providing and laying Reinforced Cement Concrete Pipe NP3 as per design in Single Row Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in singl 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 m dia.

Providing concrete for plain/reinforced concrete in open foundatin complete as per drawing & technical specifications Clauses 802, 803, 1202 & 1203. A. With Crushed Stone iii. PCC Grade M20 Nominal mix 1:2:4 (Hand mixed)

Plain/reinforced cement concrete in substructure complete as per drawing and technical specifications Clauses 802, 804, 805, 806,807, 1202 and 1204. A. With Crushed Stone. III. RCC Grade M20 (i). For Height upto 5 m.

Providing and laying of dry rubble flooring complete as per drawing and technical specifications Clause 1303.3

Stone masonry work in cement mortar in foundation complete as per drawing and technical specifications Clauses 702, 704, 1202 & 1204. III. Random Rubble Masonry. In 1:3 cement mortar.

Stone masonry work in cement mortar in foundation complete as per drawing and technical specifications Clauses 702, 704, 1202 & 1204. I. Coursed Rubble Masonry. (1st sort) In 1:3 cement mortar.

Filling in foundation trenches as per drawing and technical specifications Clause 305.3.9 i. Sand filling

Stone Masonry Retaining Wall Excavation for Structures Earthwork in excavation for 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 sides and bottom and backfilling in trenches with excavated suitable material. Ordinary soil Upto 3 m depth

Brick Soling Laying brick soling layer on prepared sub-grade with brick on end edging according to lines, graded and cross-section shown on the drawing filling joints with sand and earth, spreading 25 mm thick layer of earth over brick soling, watering and rolliing the same with three wheel road roller 80-100 kN as per Technical Specification Clause 412

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 A. With Crushed Stone I. P.C.C grade M 15 (i) Nominal mix

Stone masonry in cement mortar for substructure complete as per drawing technical specification Clauses 702, 704, 1202 and 1204 II Coursed Rubble masonry In 1:3 cement mortar

Pointing with cement mortar (1:3) on brickwork as per drawing and technical specification Clauses 613.3 and 1204

Raju Khan (BID ID -283361)