Urgent maintenance of different roads under killa PWD(RandB) Sub-Division during the Year 2026-27

Water Bound Macadam Sub-Base / Base 1). 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 to fill up the interstices of coarse aggregate, watering and compacting to the required density 'Grading 3' as per MoRD Technical Specification Clause 405. a) By manual Means

Maintenance of bituminous surface road Repair to pot holes by removal of failed material, trimming the sides to vertical and levelling the bottom, cleaning the same with compressed air or any appropriate method, filled with 75 mm B.M, after applying bitumen emulsion prime coat at the bottom and bitumen emulsion tack coat on sides and on bottom as per MoRD technical specification Clauses 1900, 502, 503 and 504.

Tack Coat using hot straight run Bitumen of Grade VG-30 on W.B.M 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 W.B.M @ 0.75 Kg/Sqm.

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.

20mm thick open –graded premix carpet using Bituminous (penetration grade / Modified bitumen) binder. Providing & laying rolling of open –graded carpet of 20mm thickness composed of 13.2mm to 5.6mm aggt.Either using penetration grade bitumen of emulsion to required line, grade & level to serve as wearing course on a previously prepared base in/c. mixing in a suitable plants, laying & rolling with a three wheel 80-100km static roller capacity, finished to required level & grades to be followed by seal coat of either type A or type B C or type D as per MoRD technical specification clauses 508. Case-II : By Manual Means. i) Bitumen (60/70 Grade) VG-30

Seal Coat Providing & laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade & cross fall using Type A or Type B or Type C or Type D as per MoRD technical specification clauses 510. 1) By Manual Means. Case-iv : Type D ( Premix with fine sand ) i) Bitumen (60/70 Grade) VG-30

Construction of Toe Walls for protection of slopes as per Drawing and MoRD technical specification Clauses 1302.5 (including centering, shuttering, staging etc. but excluding reinforcement). I. Cement concrete grade M10 (using jhama brick aggregates) in case of concrete block pitching. i) Nominal Mixing 1:3:6

Road side Pucca Drain. Construction of road side pucca drain with M 10 (1:3:6 with jhama brick aggregate) to specified lines, grades, levels & dimentions as per approved design and MoRD technical specificition Clauses 307,1606. Excaveted materials to be used in embankment at site. D. U shaped drain (top clear width 600 mm, bottom clear width 600 mm and clear depth of 600 mm. I. In Ordinary Soil

Clearing and Grubbing Road Land 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 MoRD Technical Specification clause 201. a) By manual Means A) In area of non-thorny jungle