Maintenance of road from Bridhyanagar (Opposite to AIR Station) to Howrah foot bridge up to newly constructed work under the jurisdiction of Khayerpur Sub-Division, PWD(R and B) during the year 2026-27

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 backfilling in trenches with excavated suitable material. I.Ordinary Soil. (i) Upto 3 m depth

Filling in foundation trenches as per drawing & MoRD technical specification Clause 305.3.9, 1200. I ) Sand filling

Providing concrete for plain concrete (using jhama brick aggregate) in open foundations complete including formwork as per drawings & MoRD technical specifications Clauses 802, 803, 900, 1202 and 1203. (including centring, shuttering, staging etc. but excluding reinforcement ). i) P.C.C grade M 10. (Using jhama brick aggregat ). Nominal mix (1:3:6). (i) Nominal Mix 1:3:6

Brick masonry work in cement mortar in substructure complete excepting pointing & plastering, as per drawing & MoRD technical specification Clauses 602, 603, 604, 1202 and 1204. II In 1:4 cement mortar.

Plastering with cement mortar (1:4) 12 mm thick on brickwork/ C.C. work including a finishing coat of neat cement punning with 2.75 kg of cement per sqm in substructure as per MoRD technical specification Clauses 613.4 & 1204.

Plain/reinforced cement concrete in substructure complete including formwork as per drawings & MoRD technical specification Clauses 802, 804, 805, 806, 807, 900, 1202 & 1204. (including centering, shuttering, staging etc. but excluding reinforcement) VI. R.C.C grade M-25.(i) Upto 5 m height.

Supplying, fitting & placing Thermo-Mechanically treated bar/ Cold twisted deformed steel bar in substructure complete as per drawings & MoRD technical specification Clauses 1002, 1005, 1010 and 1202.

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 other appropriate method including screening, cleaning of aggregates; and filling up with with jhama chips using bitumen of VG-30 @ 54 kg per m3 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 repaired 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 and 504

Tack Coat. Tack coat using hot straight run bitumen of grade VG-30 on bituminous surface. Providing and applying tack coat using hot straight run bitumen of grade VG-30, including heating the bitumen, spraying the bitumen, cleaning and preparing the existing road surface as per specifications : On bituminous surface @ 0.50 Kg/Sqm.

20 mm thick Open-Graded Premix Carpet using Bituminous (Viscocity 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 Viscocity 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 - II : By Manual Means (I) Bitumen of VG-30