Developmentroad from SonamuraNidaya road (Rabindranagar)to NachanyaMura via66KV SubStation (L2.10Km) (Ch.0.00 km to Ch.0.75km Development Length0.75km) under KathaliaRD Blockwithin thejurisdiction ofKathalia PWD(RandB) SubDivision during theFY2025 26

Water Bound Macadam Sub-Base / Base using Jhama Brick Aggragate. 1) WBM Grading 3 Providing, laying, spreading and compacting 53 mm to 0.075 mm jhama brick aggregates to water bound macadam specification including spreading in uniform thickness, hand packing rolling with three wheel roller 80-100 KN in stages to proper grade and camber, applying and brooming, binding materials to fill up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per MoRD Technical Specification Clause 405. By Manual Means

80 mm thick factory made c.c. interlocking paver block of M-35 GradeProviding and laying factory made chamfered edge Cement Concrete paver blocks of required strength, thickness & size/shape, made by table vibratory method to attain superior smooth finish using PU or equivalent moulds, laid in required grey colour & pattern over 50 mm thick compacted bed of sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with fine sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand in footpath, parks, lawns, drive ways or light traffic parking etc. all complete as per specifications & approval/ direction of the Engineer -in-Charge:(a) 80 mm thick c.c. paver block of M-35 grade with approved colour, design and pattern.

Patch repairing/Maintenance of bituminous surface road using Jhama brick aggregate & Viscosity Graded bitumen (VG-30). Repairing pot holes and making up small depressions with ramming or power rolling after removal / disposal of disintegrated materials within a lead of 50 m, cutting pot holes to regular shapes with vertical edges and levelling the bottom, cleaning the same with compressed air or any appropriate method including screening, cleaning of aggregates; annd filling up with jhama chips using bitumen of VG-30 @ 54 Kg per cum of loose volume of jhama brick chips, after applying tack coat of bitumen on sides and bottom @ 0.75 kg/sqm and finishing the top of required surface levelled with adjoining area in proper grade and camber including spreading of sand @ 0.006 cum/sqm of prepared road surface as per direction of the Engineer-in-charge and all as per MoRD technical specification Clauses 1900,502,503,504.

Tack coat using hot straight run bitumen of grade VG30 on Bituminous surface Providing and applying tack coat using hot straight run bitumen of grade VG30 including heating the bitumen , spraying the bitumen, cleaning and preparing the existing road surface the existing road surface as per specification on Bituminous surface @ 0.50 kg / sqm

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 or Type D as per MoRD Technical Specification Clause 508. Case - I : By Manual Means i) Bitumen (60/70 Grade)VG-30

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A or Type B or Type C or Type D as per MoRD Technical Specification Clause 510 A. By Manual Means. Case - IV : Type D (premix with fine sand) i) Bitumen (60/70 Grade)VG-30

Excavation in cutting in soil by manual means with lead upto 50 m. Excavation in Roadway cutting in soil by using manual means for carrying of cut earth to embankment site with all lifts and lead upto 50 m as per MoRD Technical Specification Clause 302.3.

Surface Drains Construction of unlined surface drains of average cross-sectional area 0.4 sqm in ordinary soil to specified lines, grades, levels and dimensions. Excavated material to be used in embankment with a lift upto 3 m and lead of 50 m (average lead 25 m) as per MoRD Technical Specification Clause 307. i) Surface Drains in Ordinary Soil.(A) Manual Means

Hill Side Drain Clearance Removal of earth from the choked hill side drain and disposing it on the valley side manually as per MoRT&H technical specification Clause 3000.

Road side Pucca Drains Construction of road side pucca drain with M10 (1:3:6 with jhama brick aggregate) to specified lines, grades, levels and dimensions as per approved design and MoRD Technical Specification Clause 307, 1606. Excavated material to be used in embankment at site. (including centering, shuttering, etc. but excluding reinforcement) B.Trapezoidal drain (top clear width 600 mm, bottom clear width 300 mm and clear depth of 400 mm) I.In Ordinary Soil

Providing & laying reinforced cement concrete in superstructure as per drawings & MoRD technical specifications Clauses 800, 900, 1205.4 & 1205.5 (including centering, shuttering, staging etc. but excluding reinforcement). II.R.C.C M 25 1.For height upto 5 m

Supplying, fitting, & placing Thermo-Mechanically treated bar/ Cold twisted deformed steel bar reinforcement in superstructure complete as per drawing & MoRD technical specifications Clauses 1002, 1010 & 1202.