Road Development Work from Chawmanu to Joychandra Para Under the Jurisdiction of PWD(RnB), Chawmanu Sub-Division during the year 2026-27

12.1(304)Excavation for Structures A. Without dewatering Earthwork in excavation for structures as per drawing and MoRD technical specifications Clause 305.1 including setting out, construction of shoring & bracing, removal of stumps & other deleterious material and disposal upto a lead of 50 m,dressing of sides & bottom and back filling in trenches with excavated suitable material. I Ordinary Soil (i) Upto 3 m depth

15.12(2503.3)Gabian Structure for Retaining Earth Providing and construction of a gabian structure for retaining earth with segments of wire crateso f size 7m x 3m x 0.6m each divided into1.5m compartments by cross netting,made from 4mm galvanised steel wire@32 kg per 10 sqm having minimum tensile strength of 300 Mpa conforming to IS:280 and galvanizing coating conforming to IS:4826, woven into mesh with double twist, mesh size not exceeding 100 x 100 mm, filled with boulders with least dimension of 200mm, all looseends to be tied with 4mm galvanised steel wire as per drawing and MoRT&H Technical specifications clause 2503.3.

3.16(300)Construction of Embankment with Material Obtained from Borrow Pits Construction of embankment with approved material obtained from borrow pits with all lifts, 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 MoRT&H Technical Specification clauses of section 300

Scarifying Existing Bituminous Surface to a Depth of 150 mm by Mechanical Means Scarifying Existing bituminous Road Surface by mechanical means to a Depth of 150 mm and disposal of scarified material with all lifts and leads upto 1000 m as per MoRT&H Technical Specification clauses of section 300.

2) WBM Grading 3 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/ 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.

80 mm thick factory made c.c. interlocking paver block of M-35 Grade Providing 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:

Providing concrete for plain/reinforced concrete in open foundations complete including formwork as per drawings & MoRD technical specifications Clauses 802, 803, 900, 1202 and 1203. (including centering, shuttering, staging etc. but excluding reinforcement). III) P.C.C grade M 15 (i) Nominal mix (1:2:4

Supplying, fitting & placing Thermo-Mechanically treated bar/ Cold twisted deformed steel bar reinforcement in foundation complete as per drawings & MoRD technicalspecifications Clauses 1000 & 1202.

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) C)Trapezoidal drain ( top clear width 600 mm, bottom clear width 300 mm and clear depth of 600 mm) In Ordinary Soil